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OpenRCT2/src/openrct2/world/Map.cpp

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#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
/*****************************************************************************
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
* For more information, visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* A full copy of the GNU General Public License can be found in licence.txt
*****************************************************************************/
#pragma endregion
#include "../audio/audio.h"
#include "../Cheats.h"
#include "../config/Config.h"
#include "../Context.h"
#include "../core/Math.hpp"
#include "../core/Util.hpp"
#include "../Game.h"
#include "../interface/Cursors.h"
#include "../interface/Window.h"
#include "../localisation/Date.h"
#include "../localisation/Localisation.h"
#include "../Input.h"
#include "../management/Finance.h"
#include "../network/network.h"
#include "../OpenRCT2.h"
#include "../ride/RideData.h"
#include "../ride/Track.h"
#include "../ride/TrackData.h"
#include "../scenario/Scenario.h"
#include "../util/Util.h"
#include "../windows/Intent.h"
#include "Banner.h"
#include "Climate.h"
#include "Footpath.h"
#include "LargeScenery.h"
#include "Map.h"
#include "MapAnimation.h"
#include "Park.h"
#include "Scenery.h"
#include "SmallScenery.h"
#include "TileInspector.h"
#include "Wall.h"
#include <limits>
/**
* Replaces 0x00993CCC, 0x00993CCE
*/
const CoordsXY TileDirectionDelta[] = {
{ -32, 0 },
{ 0, +32 },
{ +32, 0 },
{ 0, -32 },
{ -32, +32 },
{ +32, +32 },
{ +32, -32 },
{ -32, -32 }
};
/** rct2: 0x0097B8B8 */
const money32 TerrainPricing[] = {
300, // TERRAIN_GRASS
100, // TERRAIN_SAND
80, // TERRAIN_DIRT
120, // TERRAIN_ROCK
100, // TERRAIN_MARTIAN
100, // TERRAIN_CHECKERBOARD
110, // TERRAIN_GRASS_CLUMPS
130, // TERRAIN_ICE
110, // TERRAIN_GRID_RED
110, // TERRAIN_GRID_YELLOW
110, // TERRAIN_GRID_BLUE
110, // TERRAIN_GRID_GREEN
110, // TERRAIN_SAND_DARK
110, // TERRAIN_SAND_LIGHT
};
uint16 gMapSelectFlags;
uint16 gMapSelectType;
LocationXY16 gMapSelectPositionA;
LocationXY16 gMapSelectPositionB;
LocationXYZ16 gMapSelectArrowPosition;
uint8 gMapSelectArrowDirection;
uint16 gMapVirtualFloorBaseSize = 5*32;
uint16 gMapVirtualFloorHeight;
bool gMapVirtualFloorVisible = false;
uint8 gMapGroundFlags;
uint16 gWidePathTileLoopX;
uint16 gWidePathTileLoopY;
uint16 gGrassSceneryTileLoopPosition;
sint16 gMapSizeUnits;
sint16 gMapSizeMinus2;
sint16 gMapSize;
sint16 gMapSizeMaxXY;
sint16 gMapBaseZ;
rct_tile_element gTileElements[MAX_TILE_TILE_ELEMENT_POINTERS * 3];
rct_tile_element *gTileElementTilePointers[MAX_TILE_TILE_ELEMENT_POINTERS];
LocationXY16 gMapSelectionTiles[300];
static LocationXYZ16 gVirtualFloorLastMinLocation;
static LocationXYZ16 gVirtualFloorLastMaxLocation;
PeepSpawn gPeepSpawns[MAX_PEEP_SPAWNS];
rct_tile_element *gNextFreeTileElement;
uint32 gNextFreeTileElementPointerIndex;
bool gLandMountainMode;
bool gLandPaintMode;
bool gClearSmallScenery;
bool gClearLargeScenery;
bool gClearFootpath;
uint16 gLandRemainingOwnershipSales;
uint16 gLandRemainingConstructionSales;
LocationXYZ16 gCommandPosition;
bool gMapLandRightsUpdateSuccess;
static void map_update_grass_length(sint32 x, sint32 y, rct_tile_element *tileElement);
static void map_set_grass_length(sint32 x, sint32 y, rct_tile_element *tileElement, sint32 length);
static void clear_elements_at(sint32 x, sint32 y);
static void translate_3d_to_2d(sint32 rotation, sint32 *x, sint32 *y);
void rotate_map_coordinates(sint16 *x, sint16 *y, sint32 rotation)
{
sint32 temp;
switch (rotation) {
case TILE_ELEMENT_DIRECTION_WEST:
break;
case TILE_ELEMENT_DIRECTION_NORTH:
temp = *x;
*x = *y;
*y = -temp;
break;
case TILE_ELEMENT_DIRECTION_EAST:
*x = -*x;
*y = -*y;
break;
case TILE_ELEMENT_DIRECTION_SOUTH:
temp = *y;
*y = *x;
*x = -temp;
break;
}
}
LocationXY16 coordinate_3d_to_2d(const LocationXYZ16* coordinate_3d, sint32 rotation){
LocationXY16 coordinate_2d;
switch (rotation){
default:
case 0:
coordinate_2d.x = coordinate_3d->y - coordinate_3d->x;
coordinate_2d.y = ((coordinate_3d->y + coordinate_3d->x) >> 1) - coordinate_3d->z;
break;
case 1:
coordinate_2d.x = -coordinate_3d->y - coordinate_3d->x;
coordinate_2d.y = ((coordinate_3d->y - coordinate_3d->x) >> 1) - coordinate_3d->z;
break;
case 2:
coordinate_2d.x = -coordinate_3d->y + coordinate_3d->x;
coordinate_2d.y = ((-coordinate_3d->y - coordinate_3d->x) >> 1) - coordinate_3d->z;
break;
case 3:
coordinate_2d.x = coordinate_3d->y + coordinate_3d->x;
coordinate_2d.y = ((-coordinate_3d->y + coordinate_3d->x) >> 1) - coordinate_3d->z;
break;
}
return coordinate_2d;
}
void tile_element_iterator_begin(tile_element_iterator *it)
{
it->x = 0;
it->y = 0;
it->element = map_get_first_element_at(0, 0);
}
sint32 tile_element_iterator_next(tile_element_iterator *it)
{
if (it->element == nullptr) {
it->element = map_get_first_element_at(it->x, it->y);
return 1;
}
if (!tile_element_is_last_for_tile(it->element)) {
it->element++;
return 1;
}
if (it->x < (MAXIMUM_MAP_SIZE_TECHNICAL - 1)) {
it->x++;
it->element = map_get_first_element_at(it->x, it->y);
return 1;
}
if (it->y < (MAXIMUM_MAP_SIZE_TECHNICAL - 1)) {
it->x = 0;
it->y++;
it->element = map_get_first_element_at(it->x, it->y);
return 1;
}
return 0;
}
void tile_element_iterator_restart_for_tile(tile_element_iterator *it)
{
it->element = nullptr;
}
rct_tile_element *map_get_first_element_at(sint32 x, sint32 y)
{
if (x < 0 || y < 0 || x > (MAXIMUM_MAP_SIZE_TECHNICAL - 1) || y > (MAXIMUM_MAP_SIZE_TECHNICAL - 1)) {
log_error("Trying to access element outside of range");
return nullptr;
}
return gTileElementTilePointers[x + y * MAXIMUM_MAP_SIZE_TECHNICAL];
}
rct_tile_element *map_get_nth_element_at(sint32 x, sint32 y, sint32 n)
{
rct_tile_element * tileElement = map_get_first_element_at(x, y);
if (tileElement == nullptr) {
return nullptr;
}
// Iterate through elements on this tile. This has to be walked, rather than
// jumped directly to, because n may exceed element count for given tile,
// and the order of tiles (unlike elements) is not synced over multiplayer.
while (n >= 0) {
if (n == 0) {
return tileElement;
}
if (tile_element_is_last_for_tile(tileElement)) {
break;
}
tileElement++;
n--;
}
// The element sought for is not within given tile.
return nullptr;
}
void map_set_tile_elements(sint32 x, sint32 y, rct_tile_element *elements)
{
if (x < 0 || y < 0 || x > (MAXIMUM_MAP_SIZE_TECHNICAL - 1) || y > (MAXIMUM_MAP_SIZE_TECHNICAL - 1)) {
log_error("Trying to access element outside of range");
return;
}
gTileElementTilePointers[x + y * MAXIMUM_MAP_SIZE_TECHNICAL] = elements;
}
bool tile_element_is_last_for_tile(const rct_tile_element *element)
{
return (element->flags & TILE_ELEMENT_FLAG_LAST_TILE) != 0;
}
bool tile_element_is_ghost(const rct_tile_element *element)
{
return element->flags & TILE_ELEMENT_FLAG_GHOST;
}
uint8 tile_element_get_scenery_quadrant(const rct_tile_element *element)
{
return (element->type & TILE_ELEMENT_QUADRANT_MASK) >> 6;
}
sint32 tile_element_get_type(const rct_tile_element *element)
{
return element->type & TILE_ELEMENT_TYPE_MASK;
}
sint32 tile_element_get_direction(const rct_tile_element *element)
{
return element->type & TILE_ELEMENT_DIRECTION_MASK;
}
sint32 tile_element_get_direction_with_offset(const rct_tile_element *element, uint8 offset)
{
return ((element->type & TILE_ELEMENT_DIRECTION_MASK) + offset) & TILE_ELEMENT_DIRECTION_MASK;
}
sint32 tile_element_get_terrain(const rct_tile_element *element)
{
sint32 terrain = (element->properties.surface.terrain >> 5) & 7;
if (element->type & 1)
terrain |= (1 << 3);
return terrain;
}
sint32 tile_element_get_terrain_edge(const rct_tile_element *element)
{
sint32 terrain_edge = (element->properties.surface.slope >> 5) & 7;
if (element->type & 128)
terrain_edge |= (1 << 3);
return terrain_edge;
}
void tile_element_set_terrain(rct_tile_element *element, sint32 terrain)
{
// Bit 3 for terrain is stored in element.type bit 0
if (terrain & 8)
element->type |= 1;
else
element->type &= ~1;
// Bits 0, 1, 2 for terrain are stored in element.terrain bit 5, 6, 7
element->properties.surface.terrain &= ~0xE0;
element->properties.surface.terrain |= (terrain & 7) << 5;
}
void tile_element_set_terrain_edge(rct_tile_element *element, sint32 terrain)
{
// Bit 3 for terrain is stored in element.type bit 7
if (terrain & 8)
element->type |= 128;
else
element->type &= ~128;
// Bits 0, 1, 2 for terrain are stored in element.slope bit 5, 6, 7
element->properties.surface.slope &= ~TILE_ELEMENT_SURFACE_EDGE_STYLE_MASK;
element->properties.surface.slope |= (terrain & 7) << 5;
}
rct_tile_element * map_get_surface_element_at(sint32 x, sint32 y)
{
rct_tile_element *tileElement = map_get_first_element_at(x, y);
if (tileElement == nullptr)
return nullptr;
// Find the first surface element
while (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_SURFACE) {
if (tile_element_is_last_for_tile(tileElement))
return nullptr;
tileElement++;
}
return tileElement;
}
rct_tile_element * map_get_surface_element_at(CoordsXY coords)
{
return map_get_surface_element_at(coords.x / 32, coords.y / 32);
}
rct_tile_element* map_get_path_element_at(sint32 x, sint32 y, sint32 z){
rct_tile_element *tileElement = map_get_first_element_at(x, y);
if (tileElement == nullptr)
return nullptr;
// Find the path element at known z
do {
if (tileElement->flags & TILE_ELEMENT_FLAG_GHOST)
continue;
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_PATH)
continue;
if (tileElement->base_height != z)
continue;
return tileElement;
} while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
}
rct_tile_element* map_get_banner_element_at(sint32 x, sint32 y, sint32 z, uint8 position) {
rct_tile_element *tileElement = map_get_first_element_at(x, y);
if (tileElement == nullptr)
return nullptr;
// Find the banner element at known z and position
do {
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_BANNER)
continue;
if (tileElement->base_height != z)
continue;
if (tileElement->properties.banner.position != position)
continue;
return tileElement;
} while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
}
/**
*
* rct2: 0x0068AB4C
*/
void map_init(sint32 size)
{
gNumMapAnimations = 0;
gNextFreeTileElementPointerIndex = 0;
for (sint32 i = 0; i < MAX_TILE_TILE_ELEMENT_POINTERS; i++) {
rct_tile_element *tile_element = &gTileElements[i];
tile_element->type = (TILE_ELEMENT_TYPE_SURFACE << 2);
tile_element->flags = TILE_ELEMENT_FLAG_LAST_TILE;
tile_element->base_height = 14;
tile_element->clearance_height = 14;
tile_element->properties.surface.slope = TILE_ELEMENT_SLOPE_FLAT;
tile_element->properties.surface.grass_length = GRASS_LENGTH_CLEAR_0;
tile_element->properties.surface.ownership = 0;
tile_element->properties.surface.terrain = 0;
tile_element_set_terrain(tile_element, TERRAIN_GRASS);
tile_element_set_terrain_edge(tile_element, TERRAIN_EDGE_ROCK);
}
gGrassSceneryTileLoopPosition = 0;
gWidePathTileLoopX = 0;
gWidePathTileLoopY = 0;
gMapSizeUnits = size * 32 - 32;
gMapSizeMinus2 = size * 32 - 2;
gMapSize = size;
gMapSizeMaxXY = size * 32 - 33;
gMapBaseZ = 7;
map_update_tile_pointers();
map_remove_out_of_range_elements();
auto intent = Intent(INTENT_ACTION_MAP);
context_broadcast_intent(&intent);
}
/**
* Counts the number of surface tiles that offer land ownership rights for sale,
* but haven't been bought yet. It updates gLandRemainingOwnershipSales and
* gLandRemainingConstructionSales.
*/
void map_count_remaining_land_rights()
{
gLandRemainingOwnershipSales = 0;
gLandRemainingConstructionSales = 0;
for (sint32 x = 0; x < MAXIMUM_MAP_SIZE_TECHNICAL; x++)
{
for (sint32 y = 0; y < MAXIMUM_MAP_SIZE_TECHNICAL; y++)
{
rct_tile_element *element = map_get_surface_element_at(x, y);
// Surface elements are sometimes hacked out to save some space for other map elements
if (element == nullptr)
{
continue;
}
uint8 flags = element->properties.surface.ownership;
// Do not combine this condition with (flags & OWNERSHIP_AVAILABLE)
// As some RCT1 parks have owned tiles with the 'construction rights available' flag also set
if (!(flags & OWNERSHIP_OWNED))
{
if (flags & OWNERSHIP_AVAILABLE)
{
gLandRemainingOwnershipSales++;
}
else if ((flags & OWNERSHIP_CONSTRUCTION_RIGHTS_AVAILABLE) && (flags & OWNERSHIP_CONSTRUCTION_RIGHTS_OWNED) == 0)
{
gLandRemainingConstructionSales++;
}
}
}
}
}
/**
* This is meant to strip TILE_ELEMENT_FLAG_GHOST flag from all elements when
* importing a park.
*
* This can only exist in hacked parks, as we remove ghost elements while saving.
*
* This is less invasive than removing ghost elements themselves, as they can
* contain valid data.
*/
void map_strip_ghost_flag_from_elements()
{
rct_tile_element *tileElement = gTileElements;
do {
tileElement->flags &= ~TILE_ELEMENT_FLAG_GHOST;
} while (++tileElement < gTileElements + MAX_TILE_ELEMENTS);
}
/**
*
* rct2: 0x0068AFFD
*/
void map_update_tile_pointers()
{
sint32 i, x, y;
for (i = 0; i < MAX_TILE_TILE_ELEMENT_POINTERS; i++) {
gTileElementTilePointers[i] = TILE_UNDEFINED_TILE_ELEMENT;
}
rct_tile_element *tileElement = gTileElements;
rct_tile_element **tile = gTileElementTilePointers;
for (y = 0; y < MAXIMUM_MAP_SIZE_TECHNICAL; y++) {
for (x = 0; x < MAXIMUM_MAP_SIZE_TECHNICAL; x++) {
*tile++ = tileElement;
while (!tile_element_is_last_for_tile(tileElement++));
}
}
gNextFreeTileElement = tileElement;
}
/**
* Return the absolute height of an element, given its (x,y) coordinates
*
* ax: x
* cx: y
* dx: return remember to & with 0xFFFF if you don't want water affecting results
* rct2: 0x00662783
*/
sint32 tile_element_height(sint32 x, sint32 y)
{
rct_tile_element *tileElement;
// Off the map
if ((unsigned)x >= 8192 || (unsigned)y >= 8192)
return 16;
// Truncate subtile coordinates
sint32 x_tile = x & 0xFFFFFFE0;
sint32 y_tile = y & 0xFFFFFFE0;
// Get the surface element for the tile
tileElement = map_get_surface_element_at({x_tile, y_tile});
if (tileElement == nullptr) {
return 16;
}
uint32 height =
(map_get_water_height(tileElement) << 20) |
(tileElement->base_height << 3);
uint32 slope = (tileElement->properties.surface.slope & TILE_ELEMENT_SURFACE_SLOPE_MASK);
uint8 extra_height = (slope & TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT) >> 4; // 0x10 is the 5th bit - sets slope to double height
// Remove the extra height bit
slope &= TILE_ELEMENT_SLOPE_ALL_CORNERS_UP;
sint8 quad = 0, quad_extra = 0; // which quadrant the element is in?
// quad_extra is for extra height tiles
uint8 xl, yl; // coordinates across this tile
uint8 TILE_SIZE = 31;
xl = x & 0x1f;
yl = y & 0x1f;
// Slope logic:
// Each of the four bits in slope represents that corner being raised
// slope == 15 (all four bits) is not used and slope == 0 is flat
// If the extra_height bit is set, then the slope goes up two z-levels
// We arbitrarily take the SW corner to be closest to the viewer
// One corner up
if (slope == TILE_ELEMENT_SLOPE_N_CORNER_UP ||
slope == TILE_ELEMENT_SLOPE_E_CORNER_UP ||
slope == TILE_ELEMENT_SLOPE_S_CORNER_UP ||
slope == TILE_ELEMENT_SLOPE_W_CORNER_UP)
{
switch (slope) {
case TILE_ELEMENT_SLOPE_N_CORNER_UP:
quad = xl + yl - TILE_SIZE;
break;
case TILE_ELEMENT_SLOPE_E_CORNER_UP:
quad = xl - yl;
break;
case TILE_ELEMENT_SLOPE_S_CORNER_UP:
quad = TILE_SIZE - yl - xl;
break;
case TILE_ELEMENT_SLOPE_W_CORNER_UP:
quad = yl - xl;
break;
}
// If the element is in the quadrant with the slope, raise its height
if (quad > 0) {
height += quad / 2;
}
}
// One side up
switch (slope) {
case TILE_ELEMENT_SLOPE_NE_SIDE_UP:
height += xl / 2 + 1;
break;
case TILE_ELEMENT_SLOPE_SE_SIDE_UP:
height += (TILE_SIZE - yl) / 2;
break;
case TILE_ELEMENT_SLOPE_NW_SIDE_UP:
height += yl / 2;
height++;
break;
case TILE_ELEMENT_SLOPE_SW_SIDE_UP:
height += (TILE_SIZE - xl) / 2;
break;
}
// One corner down
if ((slope == TILE_ELEMENT_SLOPE_W_CORNER_DN) ||
(slope == TILE_ELEMENT_SLOPE_S_CORNER_DN) ||
(slope == TILE_ELEMENT_SLOPE_E_CORNER_DN) ||
(slope == TILE_ELEMENT_SLOPE_N_CORNER_DN)) {
switch (slope) {
case TILE_ELEMENT_SLOPE_W_CORNER_DN:
quad_extra = xl + TILE_SIZE - yl;
quad = xl - yl;
break;
case TILE_ELEMENT_SLOPE_S_CORNER_DN:
quad_extra = xl + yl;
quad = xl + yl - TILE_SIZE - 1;
break;
case TILE_ELEMENT_SLOPE_E_CORNER_DN:
quad_extra = TILE_SIZE - xl + yl;
quad = yl - xl;
break;
case TILE_ELEMENT_SLOPE_N_CORNER_DN:
quad_extra = (TILE_SIZE - xl) + (TILE_SIZE - yl);
quad = TILE_SIZE - yl - xl - 1;
break;
}
if (extra_height) {
height += quad_extra / 2;
height++;
return height;
}
// This tile is essentially at the next height level
height += 0x10;
// so we move *down* the slope
if (quad < 0) {
height += quad / 2;
}
}
// Valleys
if ((slope == TILE_ELEMENT_SLOPE_W_E_VALLEY) ||
(slope == TILE_ELEMENT_SLOPE_N_S_VALLEY)) {
switch (slope) {
case TILE_ELEMENT_SLOPE_W_E_VALLEY:
if (xl + yl <= TILE_SIZE + 1) {
return height;
}
quad = TILE_SIZE - xl - yl;
break;
case TILE_ELEMENT_SLOPE_N_S_VALLEY:
quad = xl - yl;
break;
}
if (quad > 0) {
height += quad / 2;
}
}
return height;
}
/**
*
* rct2: 0x0068B089
*/
void sub_68B089()
{
sint32 i;
rct_tile_element *tileElementFirst, *tileElement;
if (gTrackDesignSaveMode)
return;
i = gNextFreeTileElementPointerIndex;
do {
i++;
if (i >= MAX_TILE_TILE_ELEMENT_POINTERS)
i = 0;
} while (gTileElementTilePointers[i] == TILE_UNDEFINED_TILE_ELEMENT);
gNextFreeTileElementPointerIndex = i;
tileElementFirst = tileElement = gTileElementTilePointers[i];
do {
tileElement--;
if (tileElement < gTileElements)
break;
} while (tileElement->base_height == 255);
tileElement++;
if (tileElement == tileElementFirst)
return;
//
gTileElementTilePointers[i] = tileElement;
do {
*tileElement = *tileElementFirst;
tileElementFirst->base_height = 255;
tileElementFirst++;
} while (!tile_element_is_last_for_tile(tileElement++));
tileElement = gNextFreeTileElement;
do {
tileElement--;
} while (tileElement->base_height == 255);
tileElement++;
gNextFreeTileElement = tileElement;
}
/**
* Checks if the tile at coordinate at height counts as connected.
* @return 1 if connected, 0 otherwise
*/
bool map_coord_is_connected(sint32 x, sint32 y, sint32 z, uint8 faceDirection)
{
rct_tile_element *tileElement = map_get_first_element_at(x, y);
do {
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_PATH)
continue;
rct_tile_element_path_properties props = tileElement->properties.path;
uint8 pathType = props.type >> 2;
uint8 pathDirection = props.type & 3;
if (pathType & 1) {
if (pathDirection == faceDirection) {
if (z == tileElement->base_height + 2)
return true;
} else if ((pathDirection ^ 2) == faceDirection && z == tileElement->base_height) {
return true;
}
} else {
if (z == tileElement->base_height)
return true;
}
} while (!tile_element_is_last_for_tile(tileElement++));
return false;
}
/**
*
* rct2: 0x006A876D
*/
void map_update_path_wide_flags()
{
if (gScreenFlags & (SCREEN_FLAGS_TRACK_DESIGNER | SCREEN_FLAGS_TRACK_MANAGER)) {
return;
}
// Presumably update_path_wide_flags is too computationally expensive to call for every
// tile every update, so gWidePathTileLoopX and gWidePathTileLoopY store the x and y
// progress. A maximum of 128 calls is done per update.
uint16 x = gWidePathTileLoopX;
uint16 y = gWidePathTileLoopY;
for (sint32 i = 0; i < 128; i++) {
footpath_update_path_wide_flags(x, y);
// Next x, y tile
x += 32;
if (x >= 8192) {
x = 0;
y += 32;
if (y >= 8192) {
y = 0;
}
}
}
gWidePathTileLoopX = x;
gWidePathTileLoopY = y;
}
/**
*
* rct2: 0x006A7B84
*/
sint32 map_height_from_slope(sint32 x, sint32 y, sint32 slope)
{
if (!(slope & TILE_ELEMENT_SLOPE_S_CORNER_UP))
return 0;
switch (slope & TILE_ELEMENT_SLOPE_NE_SIDE_UP) {
case TILE_ELEMENT_SLOPE_FLAT:
return (31 - (x & 31)) / 2;
case TILE_ELEMENT_SLOPE_N_CORNER_UP:
return (y & 31) / 2;
case TILE_ELEMENT_SLOPE_E_CORNER_UP:
return (x & 31) / 2;
case TILE_ELEMENT_SLOPE_NE_SIDE_UP:
return (31 - (y & 31)) / 2;
}
return 0;
}
bool map_is_location_valid(sint32 x, sint32 y)
{
if (x < (MAXIMUM_MAP_SIZE_TECHNICAL * 32) && x >= 0 && y < (MAXIMUM_MAP_SIZE_TECHNICAL * 32) && y >= 0) {
return true;
}
return false;
}
bool map_can_build_at(sint32 x, sint32 y, sint32 z)
{
if (gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR)
return true;
if (gCheatsSandboxMode)
return true;
if (map_is_location_owned(x, y, z))
return true;
return false;
}
/**
*
* rct2: 0x00664F72
*/
bool map_is_location_owned(sint32 x, sint32 y, sint32 z)
{
// This check is to avoid throwing lots of messages in logs.
if (map_is_location_valid(x, y)) {
rct_tile_element *tileElement = map_get_surface_element_at({x, y});
if (tileElement != nullptr) {
if (tileElement->properties.surface.ownership & OWNERSHIP_OWNED)
return true;
if (tileElement->properties.surface.ownership & OWNERSHIP_CONSTRUCTION_RIGHTS_OWNED) {
z /= 8;
if (z < tileElement->base_height || z - 2 > tileElement->base_height)
return true;
}
}
}
gGameCommandErrorText = STR_LAND_NOT_OWNED_BY_PARK;
return false;
}
/**
*
* rct2: 0x00664F2C
*/
bool map_is_location_in_park(sint32 x, sint32 y)
{
if (map_is_location_valid(x, y)) {
rct_tile_element *tileElement = map_get_surface_element_at({x, y});
if (tileElement == nullptr)
return false;
if (tileElement->properties.surface.ownership & OWNERSHIP_OWNED)
return true;
}
gGameCommandErrorText = STR_LAND_NOT_OWNED_BY_PARK;
return false;
}
bool map_is_location_owned_or_has_rights(sint32 x, sint32 y)
{
if (map_is_location_valid(x, y)) {
rct_tile_element *tileElement = map_get_surface_element_at({x, y});
if (tileElement == nullptr) {
return false;
}
if (tileElement->properties.surface.ownership & OWNERSHIP_OWNED) return true;
if (tileElement->properties.surface.ownership & OWNERSHIP_CONSTRUCTION_RIGHTS_OWNED) return true;
}
return false;
}
/**
*
* rct2: 0x006B8E1B
*/
void game_command_remove_large_scenery(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
uint8 base_height = *edx;
uint8 tileIndex = *edx >> 8;
uint8 tile_element_direction = *ebx >> 8;
sint32 x = *eax;
sint32 y = *ecx;
sint32 z = tile_element_height(x, y);
uint8 flags = *ebx & 0xFF;
gCommandPosition.x = x + 16;
gCommandPosition.y = y + 16;
gCommandPosition.z = z;
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
if (!(flags & GAME_COMMAND_FLAG_GHOST) && game_is_paused() && !gCheatsBuildInPauseMode) {
gGameCommandErrorText = STR_CONSTRUCTION_NOT_POSSIBLE_WHILE_GAME_IS_PAUSED;
*ebx = MONEY32_UNDEFINED;
return;
}
bool element_found = false;
rct_tile_element* tile_element = map_get_first_element_at(x / 32, y / 32);
if (tile_element == nullptr)
{
log_warning("Invalid game command for scenery removal, x = %d, y = %d", x, y);
*ebx = MONEY32_UNDEFINED;
return;
}
do {
if (tile_element_get_type(tile_element) != TILE_ELEMENT_TYPE_LARGE_SCENERY)
continue;
if (tile_element->base_height != base_height)
continue;
if (scenery_large_get_sequence(tile_element) != tileIndex)
continue;
if ((tile_element_get_direction(tile_element)) != tile_element_direction)
continue;
// If we are removing ghost elements
if((flags & GAME_COMMAND_FLAG_GHOST) && !(tile_element->flags & TILE_ELEMENT_FLAG_GHOST))
continue;
element_found = true;
break;
} while (!tile_element_is_last_for_tile(tile_element++));
if (element_found == false){
*ebx = 0;
return;
}
if (flags & GAME_COMMAND_FLAG_APPLY) {
tile_element_remove_banner_entry(tile_element);
}
rct_scenery_entry* scenery_entry = get_large_scenery_entry(scenery_large_get_type(tile_element));
LocationXYZ16 firstTile = {
scenery_entry->large_scenery.tiles[tileIndex].x_offset,
scenery_entry->large_scenery.tiles[tileIndex].y_offset,
static_cast<sint16>((base_height * 8) - scenery_entry->large_scenery.tiles[tileIndex].z_offset)
};
rotate_map_coordinates(&firstTile.x, &firstTile.y, tile_element_direction);
firstTile.x = x - firstTile.x;
firstTile.y = y - firstTile.y;
bool calculate_cost = true;
for (sint32 i = 0; scenery_entry->large_scenery.tiles[i].x_offset != -1; i++){
LocationXYZ16 currentTile = {
scenery_entry->large_scenery.tiles[i].x_offset,
scenery_entry->large_scenery.tiles[i].y_offset,
scenery_entry->large_scenery.tiles[i].z_offset
};
rotate_map_coordinates(&currentTile.x, &currentTile.y, tile_element_direction);
currentTile.x += firstTile.x;
currentTile.y += firstTile.y;
currentTile.z += firstTile.z;
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && !gCheatsSandboxMode){
if (!map_is_location_owned(currentTile.x, currentTile.y, currentTile.z)){
*ebx = MONEY32_UNDEFINED;
return;
}
}
// If not applying then no need to delete the actual element
if (!(flags & GAME_COMMAND_FLAG_APPLY)) {
if (flags & (1 << 7)) {
if (tile_element->flags & (1 << 6))
calculate_cost = false;
tile_element->flags |= (1 << 6);
}
continue;
}
rct_tile_element* sceneryElement = map_get_first_element_at(currentTile.x / 32, currentTile.y / 32);
element_found = false;
do
{
if (tile_element_get_type(sceneryElement) != TILE_ELEMENT_TYPE_LARGE_SCENERY)
continue;
if (tile_element_get_direction(sceneryElement) != tile_element_direction)
continue;
if (scenery_large_get_sequence(sceneryElement) != i)
continue;
if (sceneryElement->base_height != currentTile.z / 8)
continue;
// If we are removing ghost elements
if ((flags & GAME_COMMAND_FLAG_GHOST) && !(sceneryElement->flags & TILE_ELEMENT_FLAG_GHOST))
continue;
map_invalidate_tile_full(currentTile.x, currentTile.y);
tile_element_remove(sceneryElement);
element_found = true;
break;
} while (!tile_element_is_last_for_tile(sceneryElement++));
if (element_found == false){
log_error("Tile not found when trying to remove element!");
}
}
if (flags & GAME_COMMAND_FLAG_APPLY && gGameCommandNestLevel == 1 && !(flags & GAME_COMMAND_FLAG_GHOST)) {
LocationXYZ16 coord;
coord.x = x + 16;
coord.y = y + 16;
coord.z = tile_element_height(coord.x, coord.y);
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
}
*ebx = scenery_entry->large_scenery.removal_price * 10;
if (gParkFlags & PARK_FLAGS_NO_MONEY ||
calculate_cost == false){
*ebx = 0;
}
}
/**
*
* rct2: 0x006B909A
*/
void game_command_set_large_scenery_colour(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
sint32 x = *eax;
sint32 y = *ecx;
uint8 tile_element_direction = *ebx >> 8;
uint8 flags = *ebx & 0xFF;
uint8 base_height = *edx;
uint8 tileIndex = *edx >> 8;
uint8 colour1 = *ebp;
uint8 colour2 = *ebp >> 8;
sint32 z = tile_element_height(x, y);
gCommandPosition.x = x + 16;
gCommandPosition.y = y + 16;
gCommandPosition.z = z;
rct_tile_element *tile_element = map_get_large_scenery_segment(x, y, base_height, tile_element_direction, tileIndex);
if(tile_element == nullptr){
*ebx = 0;
return;
}
if((flags & GAME_COMMAND_FLAG_GHOST) && !(tile_element->flags & TILE_ELEMENT_FLAG_GHOST)){
*ebx = 0;
return;
}
rct_scenery_entry * scenery_entry = get_large_scenery_entry(scenery_large_get_type(tile_element));
// Work out the base tile coordinates (Tile with index 0)
LocationXYZ16 baseTile = {
scenery_entry->large_scenery.tiles[tileIndex].x_offset,
scenery_entry->large_scenery.tiles[tileIndex].y_offset,
static_cast<sint16>((base_height * 8) - scenery_entry->large_scenery.tiles[tileIndex].z_offset)
};
rotate_map_coordinates(&baseTile.x, &baseTile.y, tile_element_direction);
baseTile.x = x - baseTile.x;
baseTile.y = y - baseTile.y;
for (sint32 i = 0; scenery_entry->large_scenery.tiles[i].x_offset != -1; ++i) {
assert(i < MAXIMUM_MAP_SIZE_TECHNICAL);
// Work out the current tile coordinates
LocationXYZ16 currentTile = {
scenery_entry->large_scenery.tiles[i].x_offset,
scenery_entry->large_scenery.tiles[i].y_offset,
scenery_entry->large_scenery.tiles[i].z_offset
};
rotate_map_coordinates(&currentTile.x, &currentTile.y, tile_element_direction);
currentTile.x += baseTile.x;
currentTile.y += baseTile.y;
currentTile.z += baseTile.z;
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && !gCheatsSandboxMode){
if (!map_is_location_owned(currentTile.x, currentTile.y, currentTile.z)){
*ebx = MONEY32_UNDEFINED;
return;
}
}
if(flags & GAME_COMMAND_FLAG_APPLY){
rct_tile_element* tileElement = map_get_large_scenery_segment(
currentTile.x,
currentTile.y,
base_height,
tile_element_direction,
i);
scenery_large_set_primary_colour(tileElement, colour1);
scenery_large_set_secondary_colour(tileElement, colour2);
map_invalidate_tile_full(currentTile.x, currentTile.y);
}
}
*ebx = 0;
}
// This will cause clear scenery to remove paths
// This should be a flag for the game command which can be set via a checkbox on the clear scenery window.
// #define CLEAR_SCENERY_REMOVES_PATHS
/**
*
* rct2: 0x0068DFE4
*/
static money32 map_clear_scenery_from_tile(sint32 x, sint32 y, sint32 clear, sint32 flags)
{
sint32 type;
money32 cost, totalCost;
rct_tile_element *tileElement;
totalCost = 0;
restart_from_beginning:
tileElement = map_get_first_element_at(x, y);
do {
type = tile_element_get_type(tileElement);
switch (type) {
case TILE_ELEMENT_TYPE_PATH:
if (clear & (1 << 2)) {
sint32 eax = x * 32;
sint32 ebx = flags;
sint32 ecx = y * 32;
sint32 edx = tileElement->base_height;
sint32 edi = 0, ebp = 0;
cost = game_do_command(eax, ebx, ecx, edx, GAME_COMMAND_REMOVE_PATH, edi, ebp);
if (cost == MONEY32_UNDEFINED)
return MONEY32_UNDEFINED;
totalCost += cost;
if (flags & 1)
goto restart_from_beginning;
} break;
case TILE_ELEMENT_TYPE_SMALL_SCENERY:
if (clear & (1 << 0)) {
sint32 eax = x * 32;
sint32 ebx = (tileElement->type << 8) | flags;
sint32 ecx = y * 32;
sint32 edx = (tileElement->properties.scenery.type << 8) | (tileElement->base_height);
sint32 edi = 0, ebp = 0;
cost = game_do_command(eax, ebx, ecx, edx, GAME_COMMAND_REMOVE_SCENERY, edi, ebp);
if (cost == MONEY32_UNDEFINED)
return MONEY32_UNDEFINED;
totalCost += cost;
if (flags & 1)
goto restart_from_beginning;
} break;
case TILE_ELEMENT_TYPE_WALL:
if (clear & (1 << 0)) {
sint32 eax = x * 32;
sint32 ebx = flags;
sint32 ecx = y * 32;
sint32 edx = (tileElement->base_height << 8) | (tile_element_get_direction(tileElement));
sint32 edi = 0, ebp = 0;
cost = game_do_command(eax, ebx, ecx, edx, GAME_COMMAND_REMOVE_WALL, edi, ebp);
if (cost == MONEY32_UNDEFINED)
return MONEY32_UNDEFINED;
totalCost += cost;
if (flags & 1)
goto restart_from_beginning;
} break;
case TILE_ELEMENT_TYPE_LARGE_SCENERY:
if (clear & (1 << 1)) {
sint32 eax = x * 32;
sint32 ebx = flags | ((tile_element_get_direction(tileElement)) << 8);
sint32 ecx = y * 32;
sint32 edx = tileElement->base_height | (scenery_large_get_sequence(tileElement) << 8);
sint32 edi = 0, ebp = 0;
cost = game_do_command(eax, ebx | (1 << 7), ecx, edx, GAME_COMMAND_REMOVE_LARGE_SCENERY, edi, ebp);
if (cost == MONEY32_UNDEFINED)
return MONEY32_UNDEFINED;
totalCost += cost;
if (flags & 1)
goto restart_from_beginning;
} break;
}
} while (!tile_element_is_last_for_tile(tileElement++));
return totalCost;
}
/**
* Function to clear the flag that is set to prevent cost duplication
* when using the clear scenery tool with large scenery.
*/
static void map_reset_clear_large_scenery_flag(){
rct_tile_element* tileElement;
// TODO: Improve efficiency of this
for (sint32 y = 0; y < MAXIMUM_MAP_SIZE_TECHNICAL; y++) {
for (sint32 x = 0; x < MAXIMUM_MAP_SIZE_TECHNICAL; x++) {
tileElement = map_get_first_element_at(x, y);
do {
if (tile_element_get_type(tileElement) == TILE_ELEMENT_TYPE_LARGE_SCENERY) {
tileElement->flags &= ~(1 << 6);
}
} while (!tile_element_is_last_for_tile(tileElement++));
}
}
}
money32 map_clear_scenery(sint32 x0, sint32 y0, sint32 x1, sint32 y1, sint32 clear, sint32 flags)
{
sint32 x, y, z;
money32 totalCost, cost;
bool noValidTiles;
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
x = (x0 + x1) / 2 + 16;
y = (y0 + y1) / 2 + 16;
z = tile_element_height(x, y);
gCommandPosition.x = x;
gCommandPosition.y = y;
gCommandPosition.z = z;
x0 = std::max(x0, 32);
y0 = std::max(y0, 32);
x1 = std::min(x1, (sint32)gMapSizeMaxXY);
y1 = std::min(y1, (sint32)gMapSizeMaxXY);
noValidTiles = true;
totalCost = 0;
for (y = y0; y <= y1; y += 32) {
for (x = x0; x <= x1; x += 32) {
if ((gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) || gCheatsSandboxMode || map_is_location_owned_or_has_rights(x, y)) {
cost = map_clear_scenery_from_tile(x / 32, y / 32, clear, flags);
if (cost != MONEY32_UNDEFINED) {
noValidTiles = false;
totalCost += cost;
}
} else {
gGameCommandErrorText = STR_LAND_NOT_OWNED_BY_PARK;
}
}
}
if (gGameCommandNestLevel == 1 && flags & GAME_COMMAND_FLAG_APPLY) {
LocationXYZ16 coord;
coord.x = ((x0 + x1) / 2) + 16;
coord.y = ((y0 + y1) / 2) + 16;
coord.z = tile_element_height(coord.x, coord.y);
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
}
if (clear & (1 << 1)) {
map_reset_clear_large_scenery_flag();
}
return noValidTiles ? MONEY32_UNDEFINED : totalCost;
}
/**
*
* rct2: 0x0068DF91
*/
void game_command_clear_scenery(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
*ebx = map_clear_scenery(
(sint16)(*eax & 0xFFFF),
(sint16)(*ecx & 0xFFFF),
(sint16)(*edi & 0xFFFF),
(sint16)(*ebp & 0xFFFF),
*edx,
*ebx & 0xFF
);
}
/**
*
* rct2: 0x00663CCD
*/
static money32 map_change_surface_style(sint32 x0, sint32 y0, sint32 x1, sint32 y1, uint8 surfaceStyle, uint8 edgeStyle, uint8 flags)
{
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
x0 = std::max(x0, 32);
y0 = std::max(y0, 32);
x1 = std::min(x1, (sint32)gMapSizeMaxXY);
y1 = std::min(y1, (sint32)gMapSizeMaxXY);
sint32 xMid, yMid;
xMid = (x0 + x1) / 2 + 16;
yMid = (y0 + y1) / 2 + 16;
sint32 heightMid = tile_element_height(xMid, yMid);
gCommandPosition.x = xMid;
gCommandPosition.y = yMid;
gCommandPosition.z = heightMid;
// Do nothing during pause
if (game_is_paused() && !gCheatsBuildInPauseMode) {
return 0;
}
// Do nothing if not in editor, sandbox mode or landscaping is forbidden
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) &&
!gCheatsSandboxMode &&
(gParkFlags & PARK_FLAGS_FORBID_LANDSCAPE_CHANGES)
) {
return 0;
}
money32 surfaceCost = 0;
money32 edgeCost = 0;
for (sint32 x = x0; x <= x1; x += 32) {
for (sint32 y = y0; y <= y1; y += 32) {
if (x > 0x1FFF) continue;
if (y > 0x1FFF) continue;
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && !gCheatsSandboxMode) {
if (!map_is_location_in_park(x, y)) continue;
}
rct_tile_element* tileElement = map_get_surface_element_at({x, y});
if (surfaceStyle != 0xFF){
uint8 cur_terrain = (
tile_element_get_direction(tileElement) << 3) |
(tileElement->properties.surface.terrain >> 5);
if (surfaceStyle != cur_terrain) {
// Prevent network-originated value of surfaceStyle from causing
// invalid access.
uint8 style = surfaceStyle & 0x1F;
if (style >= Util::CountOf(TerrainPricing)) {
return MONEY32_UNDEFINED;
}
surfaceCost += TerrainPricing[style];
if (flags & GAME_COMMAND_FLAG_APPLY)
{
tileElement->properties.surface.terrain &= TILE_ELEMENT_SURFACE_WATER_HEIGHT_MASK;
tileElement->type &= TILE_ELEMENT_QUADRANT_MASK | TILE_ELEMENT_TYPE_MASK;
//Save the new terrain
tileElement->properties.surface.terrain |= surfaceStyle << 5;
//Save the new direction mask
tileElement->type |= (surfaceStyle >> 3) & TILE_ELEMENT_DIRECTION_MASK;
map_invalidate_tile_full(x, y);
footpath_remove_litter(x, y, tile_element_height(x, y));
}
}
}
if (edgeStyle != 0xFF) {
uint8 currentEdge =
((tileElement->type & 0x80) >> 4) |
(tileElement->properties.surface.slope >> 5);
if (edgeStyle != currentEdge){
edgeCost += 100;
if (flags & 1){
tileElement->properties.surface.slope &= TILE_ELEMENT_SURFACE_SLOPE_MASK;
tileElement->type &= 0x7F;
//Save edge style
tileElement->properties.surface.slope |= edgeStyle << 5;
//Save ???
tileElement->type |= (edgeStyle << 4) & 0x80;
map_invalidate_tile_full(x, y);
}
}
}
if (flags & 1)
{
if (!(tileElement->properties.surface.terrain & TILE_ELEMENT_SURFACE_TERRAIN_MASK))
{
if (!(tile_element_get_direction(tileElement)))
{
if ((tileElement->properties.surface.grass_length & 7) != GRASS_LENGTH_CLEAR_0) {
tileElement->properties.surface.grass_length = GRASS_LENGTH_CLEAR_0;
map_invalidate_tile_full(x, y);
}
}
}
}
}
}
if (flags & GAME_COMMAND_FLAG_APPLY && gGameCommandNestLevel == 1) {
LocationXYZ16 coord;
coord.x = ((x0 + x1) / 2) + 16;
coord.y = ((y0 + y1) / 2) + 16;
coord.z = tile_element_height(coord.x, coord.y);
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
}
return (gParkFlags & PARK_FLAGS_NO_MONEY) ? 0 : surfaceCost + edgeCost;
}
/**
*
* rct2: 0x00663CCD
*/
void game_command_change_surface_style(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
*ebx = map_change_surface_style(
(sint16)(*eax & 0xFFFF),
(sint16)(*ecx & 0xFFFF),
(sint16)(*edi & 0xFFFF),
(sint16)(*ebp & 0xFFFF),
*edx & 0xFF,
(*edx & 0xFF00) >> 8,
*ebx & 0xFF
);
}
//0x00981A1E
static constexpr const uint8 tile_element_raise_styles[5][32] = {
{ 0x01, 0x1B, 0x03, 0x1B, 0x05, 0x21, 0x07, 0x21, 0x09, 0x1B, 0x0B, 0x1B, 0x0D, 0x21, 0x20, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x23, 0x18, 0x19, 0x1A, 0x3B, 0x1C, 0x29, 0x24, 0x1F },
{ 0x02, 0x03, 0x17, 0x17, 0x06, 0x07, 0x17, 0x17, 0x0A, 0x0B, 0x22, 0x22, 0x0E, 0x20, 0x22, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x37, 0x18, 0x19, 0x1A, 0x23, 0x1C, 0x28, 0x26, 0x1F },
{ 0x04, 0x05, 0x06, 0x07, 0x1E, 0x24, 0x1E, 0x24, 0x0C, 0x0D, 0x0E, 0x20, 0x1E, 0x24, 0x1E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x26, 0x18, 0x19, 0x1A, 0x21, 0x1C, 0x2C, 0x3E, 0x1F },
{ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x20, 0x1D, 0x1D, 0x28, 0x28, 0x1D, 0x1D, 0x28, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x22, 0x18, 0x19, 0x1A, 0x29, 0x1C, 0x3D, 0x2C, 0x1F },
{ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x22, 0x20, 0x20, 0x20, 0x21, 0x20, 0x28, 0x24, 0x20 },
};
//0x00981ABE
static constexpr const uint8 tile_element_lower_styles[5][32] = {
{ 0x2E, 0x00, 0x2E, 0x02, 0x3E, 0x04, 0x3E, 0x06, 0x2E, 0x08, 0x2E, 0x0A, 0x3E, 0x0C, 0x3E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x06, 0x18, 0x19, 0x1A, 0x0B, 0x1C, 0x0C, 0x3E, 0x1F },
{ 0x2D, 0x2D, 0x00, 0x01, 0x2D, 0x2D, 0x04, 0x05, 0x3D, 0x3D, 0x08, 0x09, 0x3D, 0x3D, 0x0C, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x07, 0x18, 0x19, 0x1A, 0x09, 0x1C, 0x3D, 0x0C, 0x1F },
{ 0x2B, 0x3B, 0x2B, 0x3B, 0x00, 0x01, 0x02, 0x03, 0x2B, 0x3B, 0x2B, 0x3B, 0x08, 0x09, 0x0A, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x03, 0x18, 0x19, 0x1A, 0x3B, 0x1C, 0x09, 0x0E, 0x1F },
{ 0x27, 0x27, 0x37, 0x37, 0x27, 0x27, 0x37, 0x37, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x37, 0x18, 0x19, 0x1A, 0x03, 0x1C, 0x0D, 0x06, 0x1F },
{ 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x0B, 0x00, 0x0D, 0x0E, 0x00 },
};
/**
*
* rct2: 0x00663CB9
*/
static sint32 map_set_land_height_clear_func(rct_tile_element** tile_element, sint32 x, sint32 y, uint8 flags, money32* price) {
if (tile_element_get_type(*tile_element) == TILE_ELEMENT_TYPE_SURFACE)
return 0;
if (tile_element_get_type(*tile_element) == TILE_ELEMENT_TYPE_SMALL_SCENERY)
return 0;
return 1;
}
static sint32 map_get_corner_height(sint32 z, sint32 slope, sint32 direction)
{
switch (direction) {
case 0:
if (slope & TILE_ELEMENT_SLOPE_N_CORNER_UP) {
z += 2;
if (slope == (TILE_ELEMENT_SLOPE_S_CORNER_DN | TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT)) {
z += 2;
}
}
break;
case 1:
if (slope & TILE_ELEMENT_SLOPE_E_CORNER_UP) {
z += 2;
if (slope == (TILE_ELEMENT_SLOPE_W_CORNER_DN | TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT)) {
z += 2;
}
}
break;
case 2:
if (slope & TILE_ELEMENT_SLOPE_S_CORNER_UP) {
z += 2;
if (slope == (TILE_ELEMENT_SLOPE_N_CORNER_DN | TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT)) {
z += 2;
}
}
break;
case 3:
if (slope & TILE_ELEMENT_SLOPE_W_CORNER_UP) {
z += 2;
if (slope == (TILE_ELEMENT_SLOPE_E_CORNER_DN | TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT)) {
z += 2;
}
}
break;
}
return z;
}
static sint32 tile_element_get_corner_height(rct_tile_element *tileElement, sint32 direction)
{
sint32 z = tileElement->base_height;
sint32 slope = tileElement->properties.surface.slope & TILE_ELEMENT_SURFACE_SLOPE_MASK;
return map_get_corner_height(z, slope, direction);
}
static money32 map_set_land_height(sint32 flags, sint32 x, sint32 y, sint32 height, sint32 style, sint32 selectionType)
{
rct_tile_element *tileElement;
if (game_is_paused() && !gCheatsBuildInPauseMode) {
gGameCommandErrorText = STR_CONSTRUCTION_NOT_POSSIBLE_WHILE_GAME_IS_PAUSED;
return MONEY32_UNDEFINED;
}
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && !gCheatsSandboxMode) {
if (gParkFlags & PARK_FLAGS_FORBID_LANDSCAPE_CHANGES) {
gGameCommandErrorText = STR_FORBIDDEN_BY_THE_LOCAL_AUTHORITY;
return MONEY32_UNDEFINED;
}
}
if (x > gMapSizeMaxXY || y > gMapSizeMaxXY) {
gGameCommandErrorText = STR_OFF_EDGE_OF_MAP;
return MONEY32_UNDEFINED;
}
if (height < MINIMUM_LAND_HEIGHT) {
gGameCommandErrorText = STR_TOO_LOW;
return MONEY32_UNDEFINED;
}
// Divide by 2 and subtract 7 to get the in-game units.
if (height > MAXIMUM_LAND_HEIGHT) {
gGameCommandErrorText = STR_TOO_HIGH;
return MONEY32_UNDEFINED;
} else if (height > MAXIMUM_LAND_HEIGHT - 2 && (style & 0x1F) != 0) {
gGameCommandErrorText = STR_TOO_HIGH;
return MONEY32_UNDEFINED;
}
if (height == MAXIMUM_LAND_HEIGHT - 2 && (style & 0x10)) {
gGameCommandErrorText = STR_TOO_HIGH;
return MONEY32_UNDEFINED;
}
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && !gCheatsSandboxMode) {
if (!map_is_location_in_park(x, y)) {
return MONEY32_UNDEFINED;
}
}
money32 cost = MONEY(0, 0);
if(flags & GAME_COMMAND_FLAG_APPLY)
{
footpath_remove_litter(x, y, tile_element_height(x, y));
if(!gCheatsDisableClearanceChecks)
wall_remove_at(x, y, height * 8 - 16, height * 8 + 32);
}
if (!gCheatsDisableClearanceChecks) {
//Check for obstructing scenery
tileElement = map_get_first_element_at(x / 32, y / 32);
do {
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_SMALL_SCENERY)
continue;
if (height > tileElement->clearance_height)
continue;
if (height + 4 < tileElement->base_height)
continue;
rct_scenery_entry *sceneryEntry = get_small_scenery_entry(tileElement->properties.scenery.type);
if (sceneryEntry->small_scenery.height > 64 && gParkFlags & PARK_FLAGS_FORBID_TREE_REMOVAL)
{
map_obstruction_set_error_text(tileElement);
return MONEY32_UNDEFINED;
}
cost += MONEY(sceneryEntry->small_scenery.removal_price, 0);
if (flags & GAME_COMMAND_FLAG_APPLY)
tile_element_remove(tileElement--);
} while (!tile_element_is_last_for_tile(tileElement++));
}
// Check for ride support limits
if (!gCheatsDisableSupportLimits)
{
tileElement = map_get_first_element_at(x / 32, y / 32);
do
{
if (tile_element_get_type(tileElement) == TILE_ELEMENT_TYPE_TRACK)
{
sint32 rideIndex = track_element_get_ride_index(tileElement);
Ride * ride = get_ride(rideIndex);
if (ride != nullptr)
{
rct_ride_entry * rideEntry = get_ride_entry_by_ride(ride);
if (rideEntry != nullptr)
{
sint32 maxHeight = rideEntry->max_height;
if (maxHeight == 0)
{
maxHeight = RideData5[get_ride(rideIndex)->type].max_height;
}
sint32 zDelta = tileElement->clearance_height - height;
if (zDelta >= 0 && zDelta / 2 > maxHeight)
{
gGameCommandErrorText = STR_SUPPORTS_CANT_BE_EXTENDED;
return MONEY32_UNDEFINED;
}
}
}
}
}
while(!tile_element_is_last_for_tile(tileElement++));
}
uint8 zCorner = height; //z position of highest corner of tile
rct_tile_element *surfaceElement = map_get_surface_element_at({x, y});
if(surfaceElement->type & TILE_ELEMENT_TYPE_FLAG_HIGHLIGHT)
{
sint32 waterHeight = map_get_water_height(surfaceElement);
if(waterHeight != 0)
{
if(style & 0x1F)
{
zCorner += 2;
if(style & 0x10)
{
zCorner += 2;
}
}
if(zCorner > waterHeight * 2 - 2)
{
surfaceElement++;
map_obstruction_set_error_text(surfaceElement);
return MONEY32_UNDEFINED;
}
}
}
zCorner = height;
if(style & 0xF)
{
zCorner += 2;
if(style & 0x10)
{
zCorner += 2;
}
}
if (!gCheatsDisableClearanceChecks) {
if (!map_can_construct_with_clear_at(x, y, height, zCorner, &map_set_land_height_clear_func, 0xF, 0, nullptr, CREATE_CROSSING_MODE_NONE)) {
return MONEY32_UNDEFINED;
}
}
if (!gCheatsDisableClearanceChecks) {
tileElement = map_get_first_element_at(x / 32, y / 32);
do {
sint32 elementType = tile_element_get_type(tileElement);
if (elementType == TILE_ELEMENT_TYPE_WALL)
continue;
if (elementType == TILE_ELEMENT_TYPE_SMALL_SCENERY)
continue;
if (tileElement->flags & 0x10)
continue;
if (tileElement == surfaceElement)
continue;
if (tileElement > surfaceElement)
{
if (zCorner > tileElement->base_height)
{
map_obstruction_set_error_text(tileElement);
return MONEY32_UNDEFINED;
}
continue;
}
if (height < tileElement->clearance_height)
{
map_obstruction_set_error_text(tileElement);
return MONEY32_UNDEFINED;
}
} while (!tile_element_is_last_for_tile(tileElement++));
}
for (sint32 i = 0; i < 4; i += 1) {
sint32 cornerHeight = tile_element_get_corner_height(surfaceElement, i);
cornerHeight -= map_get_corner_height(height, style & TILE_ELEMENT_SURFACE_SLOPE_MASK, i);
cost += MONEY(abs(cornerHeight) * 5 / 2, 0);
}
if(flags & GAME_COMMAND_FLAG_APPLY)
{
if (gGameCommandNestLevel == 1) {
LocationXYZ16 coord;
coord.x = x + 16;
coord.y = y + 16;
coord.z = tile_element_height(coord.x, coord.y);
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
}
surfaceElement = map_get_surface_element_at({x, y});
surfaceElement->base_height = height;
surfaceElement->clearance_height = height;
surfaceElement->properties.surface.slope &= TILE_ELEMENT_SURFACE_EDGE_STYLE_MASK;
surfaceElement->properties.surface.slope |= style;
sint32 slope = surfaceElement->properties.surface.terrain & TILE_ELEMENT_SURFACE_SLOPE_MASK;
if(slope != TILE_ELEMENT_SLOPE_FLAT && slope <= height / 2)
surfaceElement->properties.surface.terrain &= TILE_ELEMENT_SURFACE_TERRAIN_MASK;
map_invalidate_tile_full(x, y);
}
if(gParkFlags & PARK_FLAGS_NO_MONEY)
return 0;
return cost;
}
void game_command_set_land_height(sint32 *eax, sint32 *ebx, sint32 *ecx, sint32 *edx, sint32 *esi, sint32 *edi, sint32 *ebp)
{
*ebx = map_set_land_height(
*ebx & 0xFF,
*eax & 0xFFFF,
*ecx & 0xFFFF,
*edx & 0xFF,
(*edx >> 8) & 0xFF,
*edi >> 5
);
}
static money32 map_set_land_ownership(uint8 flags, sint16 x1, sint16 y1, sint16 x2, sint16 y2, uint8 newOwnership) {
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LAND_PURCHASE;
if (!(flags & GAME_COMMAND_FLAG_APPLY))
return 0;
// Clamp to maximum addressable element to prevent long loop spamming the log
x1 = Math::Clamp(32, (sint32)x1, gMapSizeUnits - 32);
y1 = Math::Clamp(32, (sint32)y1, gMapSizeUnits - 32);
x2 = Math::Clamp(32, (sint32)x2, gMapSizeUnits - 32);
y2 = Math::Clamp(32, (sint32)y2, gMapSizeUnits - 32);
gMapLandRightsUpdateSuccess = false;
map_buy_land_rights(x1, y1, x2, y2, BUY_LAND_RIGHTS_FLAG_SET_OWNERSHIP_WITH_CHECKS, flags | (newOwnership << 8));
if (!gMapLandRightsUpdateSuccess)
return 0;
sint16 x = Math::Clamp(32, (sint32)x1, gMapSizeUnits - 32);
sint16 y = Math::Clamp(32, (sint32)y1, gMapSizeUnits - 32);
x += 16;
y += 16;
sint16 z = tile_element_height(x, y) & 0xFFFF;
audio_play_sound_at_location(SOUND_PLACE_ITEM, x, y, z);
return 0;
}
/**
*
* rct2: 0x006648E3
*/
void game_command_set_land_ownership(sint32 *eax, sint32 *ebx, sint32 *ecx, sint32 *edx, sint32 *esi, sint32 *edi, sint32 *ebp)
{
sint32 flags = *ebx & 0xFF;
*ebx = map_set_land_ownership(
flags,
*eax & 0xFFFF,
*ecx & 0xFFFF,
*edi & 0xFFFF,
*ebp & 0xFFFF,
*edx & 0xFF
);
if (flags & GAME_COMMAND_FLAG_APPLY) {
map_count_remaining_land_rights();
}
}
static uint8 map_get_lowest_land_height(sint32 xMin, sint32 xMax, sint32 yMin, sint32 yMax)
{
xMin = std::max(xMin, 32);
yMin = std::max(yMin, 32);
xMax = std::min(xMax, (sint32)gMapSizeMaxXY);
yMax = std::min(yMax, (sint32)gMapSizeMaxXY);
uint8 min_height = 0xFF;
for (sint32 yi = yMin; yi <= yMax; yi += 32) {
for (sint32 xi = xMin; xi <= xMax; xi += 32) {
rct_tile_element *tile_element = map_get_surface_element_at({xi, yi});
if (tile_element != nullptr && min_height > tile_element->base_height) {
min_height = tile_element->base_height;
}
}
}
return min_height;
}
static uint8 map_get_highest_land_height(sint32 xMin, sint32 xMax, sint32 yMin, sint32 yMax)
{
xMin = std::max(xMin, 32);
yMin = std::max(yMin, 32);
xMax = std::min(xMax, (sint32)gMapSizeMaxXY);
yMax = std::min(yMax, (sint32)gMapSizeMaxXY);
uint8 max_height = 0;
for (sint32 yi = yMin; yi <= yMax; yi += 32) {
for (sint32 xi = xMin; xi <= xMax; xi += 32) {
rct_tile_element *tile_element = map_get_surface_element_at({xi, yi});
if (tile_element != nullptr) {
uint8 base_height = tile_element->base_height;
if (tile_element->properties.surface.slope & TILE_ELEMENT_SLOPE_ALL_CORNERS_UP)
base_height += 2;
if (tile_element->properties.surface.slope & TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT)
base_height += 2;
if (max_height < base_height)
max_height = base_height;
}
}
}
return max_height;
}
static money32 raise_land(sint32 flags, sint32 x, sint32 y, sint32 z, sint32 ax, sint32 ay, sint32 bx, sint32 by, sint32 selectionType)
{
money32 cost = 0;
if (selectionType < 0 || selectionType >= (sint32)Util::CountOf(tile_element_raise_styles))
{
log_warning("Invalid selection type %d for raising land", selectionType);
return MONEY32_UNDEFINED;
}
if ((flags & GAME_COMMAND_FLAG_APPLY) && gGameCommandNestLevel == 1) {
audio_play_sound_at_location(SOUND_PLACE_ITEM, x, y, z);
}
uint8 min_height = map_get_lowest_land_height(ax, bx, ay, by);
for (sint32 yi = ay; yi <= by; yi += 32) {
for (sint32 xi = ax; xi <= bx; xi += 32) {
rct_tile_element *tile_element = map_get_surface_element_at({xi, yi});
if (tile_element != nullptr) {
uint8 height = tile_element->base_height;
if (height <= min_height){
uint8 newStyle = tile_element_raise_styles[selectionType][tile_element->properties.surface.slope & TILE_ELEMENT_SURFACE_SLOPE_MASK];
if (newStyle & 0x20) { // needs to be raised
height += 2;
newStyle &= ~0x20;
}
money32 tileCost = map_set_land_height(flags, xi, yi, height, newStyle, selectionType);
if (tileCost == MONEY32_UNDEFINED)
return MONEY32_UNDEFINED;
cost += tileCost;
}
}
}
}
// Force ride construction to recheck area
_currentTrackSelectionFlags |= TRACK_SELECTION_FLAG_RECHECK;
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
gCommandPosition.x = x;
gCommandPosition.y = y;
gCommandPosition.z = z;
return cost;
}
static money32 lower_land(sint32 flags, sint32 x, sint32 y, sint32 z, sint32 ax, sint32 ay, sint32 bx, sint32 by, sint32 selectionType)
{
money32 cost = 0;
if ((flags & GAME_COMMAND_FLAG_APPLY) && gGameCommandNestLevel == 1) {
audio_play_sound_at_location(SOUND_PLACE_ITEM, x, y, z);
}
if (selectionType < 0 || selectionType >= 5)
{
log_warning("Improper selection type %d", selectionType);
return MONEY32_UNDEFINED;
}
uint8 max_height = map_get_highest_land_height(ax, bx, ay, by);
for (sint32 yi = ay; yi <= by; yi += 32) {
for (sint32 xi = ax; xi <= bx; xi += 32) {
rct_tile_element *tile_element = map_get_surface_element_at({xi, yi});
if (tile_element != nullptr) {
uint8 height = tile_element->base_height;
if (tile_element->properties.surface.slope & TILE_ELEMENT_SLOPE_ALL_CORNERS_UP)
height += 2;
if (tile_element->properties.surface.slope & TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT)
height += 2;
if (height >= max_height) {
height = tile_element->base_height;
uint8 newStyle = tile_element_lower_styles[selectionType][tile_element->properties.surface.slope & TILE_ELEMENT_SURFACE_SLOPE_MASK];
if (newStyle & 0x20) { // needs to be lowered
height -= 2;
newStyle &= ~0x20;
}
money32 tileCost = map_set_land_height(flags, xi, yi, height, newStyle, selectionType);
if (tileCost == MONEY32_UNDEFINED)
return MONEY32_UNDEFINED;
cost += tileCost;
}
}
}
}
// Force ride construction to recheck area
_currentTrackSelectionFlags |= TRACK_SELECTION_FLAG_RECHECK;
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
gCommandPosition.x = x;
gCommandPosition.y = y;
gCommandPosition.z = z;
return cost;
}
sint32 map_get_water_height(const rct_tile_element * tileElement)
{
return tileElement->properties.surface.terrain & TILE_ELEMENT_SURFACE_WATER_HEIGHT_MASK;
}
money32 raise_water(sint16 x0, sint16 y0, sint16 x1, sint16 y1, uint8 flags)
{
money32 cost = 0;
bool waterHeightChanged = false;
uint8 max_height = 0xFF;
x0 = std::max(x0, (sint16)32);
y0 = std::max(y0, (sint16)32);
x1 = std::min(x1, gMapSizeMaxXY);
y1 = std::min(y1, gMapSizeMaxXY);
for (sint32 yi = y0; yi <= y1; yi += 32) {
for (sint32 xi = x0; xi <= x1; xi += 32) {
rct_tile_element* tile_element = map_get_surface_element_at({xi, yi});
if (tile_element != nullptr) {
uint8 height = tile_element->base_height;
if (map_get_water_height(tile_element) > 0)
height = map_get_water_height(tile_element) * 2;
if (max_height > height)
max_height = height;
}
}
}
for (sint32 yi = y0; yi <= y1; yi += 32) {
for (sint32 xi = x0; xi <= x1; xi += 32) {
rct_tile_element* tile_element = map_get_surface_element_at({xi, yi});
if (tile_element != nullptr) {
if (tile_element->base_height <= max_height){
uint8 height = map_get_water_height(tile_element);
if (height != 0) {
height *= 2;
if (height > max_height)
continue;
height += 2;
} else {
height = tile_element->base_height + 2;
}
money32 tileCost = game_do_command(xi, flags, yi, (max_height << 8) + height, GAME_COMMAND_SET_WATER_HEIGHT, 0, 0);
if (tileCost == MONEY32_UNDEFINED)
return MONEY32_UNDEFINED;
cost += tileCost;
waterHeightChanged = true;
}
}
}
}
if (flags & GAME_COMMAND_FLAG_APPLY) {
sint32 x = ((x0 + x1) / 2) + 16;
sint32 y = ((y0 + y1) / 2) + 16;
sint32 z = tile_element_height(x, y);
sint16 water_height_z = z >> 16;
sint16 base_height_z = z;
z = water_height_z;
if (z != 0)
z = base_height_z;
LocationXYZ16 coord;
coord.x = x;
coord.y = y;
coord.z = z;
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
gCommandPosition.x = x;
gCommandPosition.y = y;
gCommandPosition.z = z;
if (waterHeightChanged) {
audio_play_sound_at_location(SOUND_LAYING_OUT_WATER, x, y, z);
}
}
// Force ride construction to recheck area
_currentTrackSelectionFlags |= TRACK_SELECTION_FLAG_RECHECK;
return cost;
}
money32 lower_water(sint16 x0, sint16 y0, sint16 x1, sint16 y1, uint8 flags)
{
money32 cost = 0;
bool waterHeightChanged = false;
uint8 min_height = 0;
x0 = std::max(x0, (sint16)32);
y0 = std::max(y0, (sint16)32);
x1 = std::min(x1, gMapSizeMaxXY);
y1 = std::min(y1, gMapSizeMaxXY);
for (sint32 yi = y0; yi <= y1; yi += 32){
for (sint32 xi = x0; xi <= x1; xi += 32){
rct_tile_element* tile_element = map_get_surface_element_at({xi, yi});
if (tile_element != nullptr) {
uint8 height = map_get_water_height(tile_element);
if (height != 0) {
height *= 2;
if (height > min_height)
min_height = height;
}
}
}
}
for (sint32 yi = y0; yi <= y1; yi += 32) {
for (sint32 xi = x0; xi <= x1; xi += 32) {
rct_tile_element* tile_element = map_get_surface_element_at({xi, yi});
if (tile_element != nullptr) {
uint8 height = map_get_water_height(tile_element);
if (height != 0) {
height *= 2;
if (height < min_height)
continue;
height -= 2;
sint32 tileCost = game_do_command(xi, flags, yi, (min_height << 8) + height, GAME_COMMAND_SET_WATER_HEIGHT, 0, 0);
if (tileCost == MONEY32_UNDEFINED)
return MONEY32_UNDEFINED;
cost += tileCost;
waterHeightChanged = true;
}
}
}
}
if (flags & GAME_COMMAND_FLAG_APPLY) {
sint32 x = ((x0 + x1) / 2) + 16;
sint32 y = ((y0 + y1) / 2) + 16;
sint32 z = tile_element_height(x, y);
sint16 water_height_z = z >> 16;
sint16 base_height_z = z;
z = water_height_z;
if (z == 0)
z = base_height_z;
LocationXYZ16 coord;
coord.x = x;
coord.y = y;
coord.z = z;
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
gCommandPosition.x = x;
gCommandPosition.y = y;
gCommandPosition.z = z;
if (waterHeightChanged) {
audio_play_sound_at_location(SOUND_LAYING_OUT_WATER, x, y, z);
}
}
// Force ride construction to recheck area
_currentTrackSelectionFlags |= TRACK_SELECTION_FLAG_RECHECK;
return cost;
}
/**
*
* rct2: 0x0068C542
*/
void game_command_raise_land(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
*ebx = raise_land(
*ebx,
*eax,
*ecx,
tile_element_height(*eax, *ecx),
(sint16)(*edx & 0xFFFF),
(sint16)(*ebp & 0xFFFF),
*edx >> 16,
*ebp >> 16,
*edi & 0xFFFF
);
}
/**
*
* rct2: 0x0068C6D1
*/
void game_command_lower_land(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
*ebx = lower_land(
*ebx,
*eax,
*ecx,
tile_element_height(*eax, *ecx),
(sint16)(*edx & 0xFFFF),
(sint16)(*ebp & 0xFFFF),
*edx >> 16,
*ebp >> 16,
*edi & 0xFFFF
);
}
static money32 smooth_land_tile(sint32 direction, uint8 flags, sint32 x, sint32 y, rct_tile_element * tileElement, bool raiseLand)
{
sint32 targetBaseZ = tileElement->base_height;
sint32 slope = tileElement->properties.surface.slope & TILE_ELEMENT_SURFACE_SLOPE_MASK;
if (raiseLand) {
slope = tile_element_raise_styles[direction][slope];
if (slope & 0x20) {
targetBaseZ += 2;
slope &= ~0x20;
}
}
else {
slope = tile_element_lower_styles[direction][slope];
if (slope & 0x20) {
targetBaseZ -= 2;
slope &= ~0x20;
}
}
return game_do_command(x, flags, y, targetBaseZ | (slope << 8), GAME_COMMAND_SET_LAND_HEIGHT, 0, 0);
}
static money32 smooth_land_row_by_edge(sint32 flags, sint32 x, sint32 y, sint32 expectedLandHeight1, sint32 expectedLandHeight2, sint32 stepX, sint32 stepY, sint32 direction1, sint32 direction2, sint32 checkDirection1, sint32 checkDirection2, bool raiseLand)
{
uint8 shouldContinue = 0xF;
sint32 landChangePerTile = raiseLand ? -2 : 2;
rct_tile_element *tileElement, *nextTileElement;
money32 totalCost = 0;
money32 result;
// check if we need to start at all
if (!map_is_location_valid(x, y) || !map_is_location_valid(x + stepX, y + stepY)) {
return 0;
}
tileElement = map_get_surface_element_at({x, y});
nextTileElement = map_get_surface_element_at({x + stepX, y + stepY});
if (tileElement == nullptr || nextTileElement == nullptr) {
return 0;
}
if (tile_element_get_corner_height(tileElement, checkDirection1) != expectedLandHeight1 + (raiseLand ? -2 : 2)) {
shouldContinue &= ~0x1;
}
if (tile_element_get_corner_height(tileElement, checkDirection2) != expectedLandHeight2 + (raiseLand ? -2 : 2)) {
shouldContinue &= ~0x2;
}
if (tile_element_get_corner_height(tileElement, checkDirection1) != tile_element_get_corner_height(nextTileElement, direction1)) {
shouldContinue &= ~0x1;
}
if (tile_element_get_corner_height(tileElement, checkDirection2) != tile_element_get_corner_height(nextTileElement, direction2)) {
shouldContinue &= ~0x2;
}
while ((shouldContinue & 0x3) != 0)
{
shouldContinue = ((shouldContinue << 2) | 0x3) & shouldContinue;
x += stepX;
y += stepY;
// check if we need to continue after raising the current tile
// this needs to be checked before the tile is changed
if (!map_is_location_valid(x + stepX, y + stepY)) {
shouldContinue &= ~0x3;
}
else
{
tileElement = nextTileElement;
nextTileElement = map_get_surface_element_at({x + stepX, y + stepY});
if (nextTileElement == nullptr) {
shouldContinue &= ~0x3;
}
if (tile_element_get_corner_height(tileElement, direction1) + landChangePerTile != tile_element_get_corner_height(tileElement, checkDirection1)) {
shouldContinue &= ~0x1;
}
if (tile_element_get_corner_height(tileElement, direction2) + landChangePerTile != tile_element_get_corner_height(tileElement, checkDirection2)) {
shouldContinue &= ~0x2;
}
if ((shouldContinue & 0x1) && tile_element_get_corner_height(tileElement, checkDirection1) != tile_element_get_corner_height(nextTileElement, direction1)) {
shouldContinue &= ~0x1;
}
if ((shouldContinue & 0x2) && tile_element_get_corner_height(tileElement, checkDirection2) != tile_element_get_corner_height(nextTileElement, direction2)) {
shouldContinue &= ~0x2;
}
}
expectedLandHeight1 += landChangePerTile;
// change land of current tile
sint32 targetBaseZ = tileElement->base_height;
sint32 slope = tileElement->properties.surface.slope & TILE_ELEMENT_SURFACE_SLOPE_MASK;
sint32 oldSlope = slope;
if (raiseLand) {
if (shouldContinue & 0x4) {
slope = tile_element_raise_styles[direction1][slope];
if (slope & 0x20) {
targetBaseZ += 2;
slope &= ~0x20;
}
}
if ((shouldContinue & 0x8) &&
map_get_corner_height(tileElement->base_height, oldSlope, direction2) ==
map_get_corner_height(targetBaseZ, slope, direction2))
{
slope = tile_element_raise_styles[direction2][slope];
if (slope & 0x20) {
targetBaseZ += 2;
slope &= ~0x20;
}
}
}
else
{
if (shouldContinue & 0x4) {
slope = tile_element_lower_styles[direction1][slope];
if (slope & 0x20) {
targetBaseZ -= 2;
slope &= ~0x20;
}
}
if ((shouldContinue & 0x8) &&
map_get_corner_height(tileElement->base_height, oldSlope, direction2) ==
map_get_corner_height(targetBaseZ, slope, direction2))
{
slope = tile_element_lower_styles[direction2][slope];
if (slope & 0x20) {
targetBaseZ -= 2;
slope &= ~0x20;
}
}
}
result = game_do_command(x, flags, y, targetBaseZ | (slope << 8), GAME_COMMAND_SET_LAND_HEIGHT, 0, 0);
if (result != MONEY32_UNDEFINED) {
totalCost += result;
}
}
return totalCost;
}
static money32 smooth_land_row_by_corner(sint32 flags, sint32 x, sint32 y, sint32 expectedLandHeight, sint32 stepX, sint32 stepY, sint32 direction, sint32 checkDirection, bool raiseLand)
{
bool shouldContinue = true;
rct_tile_element *tileElement, *nextTileElement;
money32 totalCost = 0;
money32 result;
sint32 landChangePerTile;
if (stepX == 0 || stepY == 0)
{
landChangePerTile = raiseLand ? -2 : 2;
}
else
{
landChangePerTile = raiseLand ? -4 : 4;
}
// check if we need to start at all
if (!map_is_location_valid(x, y) || !map_is_location_valid(x + stepX, y + stepY)) {
return 0;
}
tileElement = map_get_surface_element_at({x, y});
nextTileElement = map_get_surface_element_at((x + stepX) >> 5, (y + stepY) >> 5);
if (tileElement == nullptr || nextTileElement == nullptr) {
return 0;
}
if (tile_element_get_corner_height(tileElement, checkDirection) != expectedLandHeight + (raiseLand ? -2 : 2)) {
return 0;
}
if (tile_element_get_corner_height(tileElement, checkDirection) != tile_element_get_corner_height(nextTileElement, direction)) {
return 0;
}
while (shouldContinue)
{
x += stepX;
y += stepY;
// check if we need to continue after raising the current tile
// this needs to be checked before the tile is changed
if (!map_is_location_valid(x + stepX, y + stepY)) {
shouldContinue = false;
}
else
{
tileElement = nextTileElement;
nextTileElement = map_get_surface_element_at((x + stepX) >> 5, (y + stepY) >> 5);
if (nextTileElement == nullptr) {
shouldContinue = false;
}
if (tile_element_get_corner_height(tileElement, direction) + landChangePerTile != tile_element_get_corner_height(tileElement, checkDirection)) {
shouldContinue = false;
}
if (shouldContinue && tile_element_get_corner_height(tileElement, checkDirection) != tile_element_get_corner_height(nextTileElement, direction)) {
shouldContinue = false;
}
}
if (stepX*stepY != 0)
{
totalCost += smooth_land_row_by_corner(flags, x, y, expectedLandHeight + (landChangePerTile / 2), 0, stepY, direction, checkDirection ^ 3, raiseLand);
totalCost += smooth_land_row_by_corner(flags, x, y, expectedLandHeight + (landChangePerTile / 2), stepX, 0, direction, checkDirection ^ 1, raiseLand);
}
expectedLandHeight += landChangePerTile;
// change land of current tile
result = smooth_land_tile(direction, flags, x, y, tileElement, raiseLand);
if (result != MONEY32_UNDEFINED) {
totalCost += result;
}
}
return totalCost;
}
static money32 smooth_land(sint32 flags, sint32 centreX, sint32 centreY, sint32 mapLeft, sint32 mapTop, sint32 mapRight, sint32 mapBottom, sint32 command)
{
// Cap bounds to map
mapLeft = std::max(mapLeft, 32);
mapTop = std::max(mapTop, 32);
mapRight = Math::Clamp(0, mapRight, (MAXIMUM_MAP_SIZE_TECHNICAL - 1) * 32);
mapBottom = Math::Clamp(0, mapBottom, (MAXIMUM_MAP_SIZE_TECHNICAL - 1) * 32);
bool raiseLand = command < 0x7FFF;
sint32 commandType = raiseLand ? GAME_COMMAND_RAISE_LAND : GAME_COMMAND_LOWER_LAND;
sint32 centreZ = tile_element_height(centreX, centreY);
sint32 mapLeftRight = mapLeft | (mapRight << 16);
sint32 mapTopBottom = mapTop | (mapBottom << 16);
bool fullTile = ((command & 0x7FFF) == MAP_SELECT_TYPE_FULL);
// Play sound (only once)
if ((flags & GAME_COMMAND_FLAG_APPLY) && gGameCommandNestLevel == 1) {
audio_play_sound_at_location(SOUND_PLACE_ITEM, centreX, centreY, centreZ);
}
money32 totalCost = 0;
money32 result;
rct_tile_element *tileElement = map_get_surface_element_at({mapLeft, mapTop});
if (tileElement == nullptr)
{
log_warning("Invalid coordinates for land smoothing, x = %d, y = %d", mapLeft, mapTop);
return MONEY32_UNDEFINED;
}
if (flags & GAME_COMMAND_FLAG_APPLY) {
LocationXYZ16 coord;
coord.x = centreX + 16;
coord.y = centreY + 16;
coord.z = tile_element_height(coord.x, coord.y);
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
}
uint8 maxHeight = 0;
uint8 minHeight = 0xFF;
uint32 newBaseZ = 0;
uint32 newSlope = 0;
// Predict the land height for future use
if (fullTile)
{
minHeight = map_get_lowest_land_height(mapLeft, mapRight, mapTop, mapBottom);
maxHeight = map_get_highest_land_height(mapLeft, mapRight, mapTop, mapBottom);
if (commandType == GAME_COMMAND_RAISE_LAND) {
minHeight += 2;
maxHeight += 2;
}
else {
maxHeight -= 2;
minHeight -= 2;
}
}
else
{
// One corner tile selected
newBaseZ = tileElement->base_height;
newSlope = tileElement->properties.surface.slope & TILE_ELEMENT_SURFACE_SLOPE_MASK;
if (commandType == GAME_COMMAND_RAISE_LAND) {
newSlope = tile_element_raise_styles[command & 0xFF][newSlope];
if (newSlope & 0x20) {
newBaseZ += 2;
newSlope &= ~0x20;
}
}
else {
newSlope = tile_element_lower_styles[command & 0xFF][newSlope];
if (newSlope & 0x20) {
newBaseZ -= 2;
newSlope &= ~0x20;
}
}
}
// Then do the smoothing
if (fullTile) {
// Smooth the corners
sint32 z = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 2), maxHeight);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, -32, -32, 0, 2, raiseLand);
tileElement = map_get_surface_element_at(mapLeft >> 5, mapBottom >> 5);
z = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 3), maxHeight);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapBottom, z, -32, 32, 1, 3, raiseLand);
tileElement = map_get_surface_element_at(mapRight >> 5, mapBottom >> 5);
z = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 0), maxHeight);
totalCost += smooth_land_row_by_corner(flags, mapRight, mapBottom, z, 32, 32, 2, 0, raiseLand);
tileElement = map_get_surface_element_at(mapRight >> 5, mapTop >> 5);
z = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 1), maxHeight);
totalCost += smooth_land_row_by_corner(flags, mapRight, mapTop, z, 32, -32, 3, 1, raiseLand);
// Smooth the edges
sint32 x = mapLeft;
sint32 y, z2;
for (y = mapTop; y <= mapBottom; y += 32)
{
tileElement = map_get_surface_element_at({x, y});
z = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 3), maxHeight);
z2 = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 2), maxHeight);
totalCost += smooth_land_row_by_edge(flags, x, y, z, z2, -32, 0, 0, 1, 3, 2, raiseLand);
}
x = mapRight;
for (y = mapTop; y <= mapBottom; y += 32)
{
tileElement = map_get_surface_element_at({x, y});
z = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 1), maxHeight);
z2 = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 0), maxHeight);
totalCost += smooth_land_row_by_edge(flags, x, y, z, z2, 32, 0, 2, 3, 1, 0, raiseLand);
}
y = mapTop;
for (x = mapLeft; x <= mapRight; x += 32)
{
tileElement = map_get_surface_element_at({x, y});
z = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 1), maxHeight);
z2 = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 2), maxHeight);
totalCost += smooth_land_row_by_edge(flags, x, y, z, z2, 0, -32, 0, 3, 1, 2, raiseLand);
}
y = mapBottom;
for (x = mapLeft; x <= mapRight; x += 32)
{
tileElement = map_get_surface_element_at({x, y});
z = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 0), maxHeight);
z2 = Math::Clamp(minHeight, (uint8)tile_element_get_corner_height(tileElement, 3), maxHeight);
totalCost += smooth_land_row_by_edge(flags, x, y, z, z2, 0, 32, 1, 2, 0, 3, raiseLand);
}
}
else
{
// One corner tile selected
// Smooth the corners
sint32 z = map_get_corner_height(newBaseZ, newSlope, 2);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, -32, -32, 0, 2, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 0);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 32, 32, 2, 0, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 3);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, -32, 32, 1, 3, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 1);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 32, -32, 3, 1, raiseLand);
// Smooth the edges
switch (command & 0x7FFF) {
case MAP_SELECT_TYPE_CORNER_0:
z = map_get_corner_height(newBaseZ, newSlope, 0);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 32, 0, 3, 0, raiseLand);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 0, 32, 1, 0, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 3);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, -32, 0, 0, 3, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 1);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 0, -32, 0, 1, raiseLand);
break;
case MAP_SELECT_TYPE_CORNER_1:
z = map_get_corner_height(newBaseZ, newSlope, 1);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 32, 0, 2, 1, raiseLand);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 0, -32, 0, 1, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 2);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, -32, 0, 1, 2, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 0);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 0, 32, 1, 0, raiseLand);
break;
case MAP_SELECT_TYPE_CORNER_2:
z = map_get_corner_height(newBaseZ, newSlope, 2);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, -32, 0, 1, 2, raiseLand);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 0, -32, 3, 2, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 1);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 32, 0, 2, 1, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 3);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 0, 32, 2, 3, raiseLand);
break;
case MAP_SELECT_TYPE_CORNER_3:
z = map_get_corner_height(newBaseZ, newSlope, 3);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, -32, 0, 0, 3, raiseLand);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 0, 32, 2, 3, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 0);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 32, 0, 3, 0, raiseLand);
z = map_get_corner_height(newBaseZ, newSlope, 2);
totalCost += smooth_land_row_by_corner(flags, mapLeft, mapTop, z, 0, -32, 3, 2, raiseLand);
break;
}
}
// Finally raise / lower the centre tile
result = game_do_command(centreX, flags, centreY, mapLeftRight, commandType, command & 0x7FFF, mapTopBottom);
if (result != MONEY32_UNDEFINED) {
totalCost += result;
} else {
return MONEY32_UNDEFINED;
}
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
gCommandPosition.x = centreX;
gCommandPosition.y = centreY;
gCommandPosition.z = centreZ;
return totalCost;
}
/**
*
* rct2: 0x0068BC01
*/
void game_command_smooth_land(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
sint32 flags = *ebx & 0xFF;
sint32 centreX = *eax & 0xFFFF;
sint32 centreY = *ecx & 0xFFFF;
sint32 mapLeft = (sint16)(*edx & 0xFFFF);
sint32 mapTop = (sint16)(*ebp & 0xFFFF);
sint32 mapRight = (sint16)(*edx >> 16);
sint32 mapBottom = (sint16)(*ebp >> 16);
sint32 command = *edi;
*ebx = smooth_land(flags, centreX, centreY, mapLeft, mapTop, mapRight, mapBottom, command);
}
/**
*
* rct2: 0x006E66A0
*/
void game_command_raise_water(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
*ebx = raise_water(
(sint16)(*eax & 0xFFFF),
(sint16)(*ecx & 0xFFFF),
(sint16)(*edi & 0xFFFF),
(sint16)(*ebp & 0xFFFF),
(uint8)*ebx
);
}
/**
*
* rct2: 0x006E6878
*/
void game_command_lower_water(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
*ebx = lower_water(
(sint16)(*eax & 0xFFFF),
(sint16)(*ecx & 0xFFFF),
(sint16)(*edi & 0xFFFF),
(sint16)(*ebp & 0xFFFF),
(uint8)*ebx
);
}
/**
*
* rct2: 0x006E650F
*/
void game_command_set_water_height(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
sint32 x = *eax;
sint32 y = *ecx;
uint8 base_height = *edx;
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
gCommandPosition.x = x + 16;
gCommandPosition.y = y + 16;
gCommandPosition.z = base_height * 8;
if(game_is_paused() && !gCheatsBuildInPauseMode){
gGameCommandErrorText = STR_CONSTRUCTION_NOT_POSSIBLE_WHILE_GAME_IS_PAUSED;
*ebx = MONEY32_UNDEFINED;
return;
}
if(!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && !gCheatsSandboxMode && gParkFlags & PARK_FLAGS_FORBID_LANDSCAPE_CHANGES){
gGameCommandErrorText = STR_FORBIDDEN_BY_THE_LOCAL_AUTHORITY;
*ebx = MONEY32_UNDEFINED;
return;
}
if(base_height < 2){
gGameCommandErrorText = STR_TOO_LOW;
*ebx = MONEY32_UNDEFINED;
return;
}
if(base_height >= 58){
gGameCommandErrorText = STR_TOO_HIGH;
*ebx = MONEY32_UNDEFINED;
return;
}
if(x >= gMapSizeUnits || y >= gMapSizeUnits){
gGameCommandErrorText = STR_OFF_EDGE_OF_MAP;
*ebx = MONEY32_UNDEFINED;
return;
}
if(!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && !gCheatsSandboxMode && !map_is_location_in_park(x, y)){
*ebx = MONEY32_UNDEFINED;
return;
}
if(*ebx & GAME_COMMAND_FLAG_APPLY){
sint32 element_height = tile_element_height(x, y);
footpath_remove_litter(x, y, element_height);
if(!gCheatsDisableClearanceChecks)
wall_remove_at_z(x, y, element_height);
}
rct_tile_element* tile_element = map_get_surface_element_at({x, y});
sint32 zHigh = tile_element->base_height;
sint32 zLow = base_height;
if (map_get_water_height(tile_element) > 0)
{
zHigh = map_get_water_height(tile_element) * 2;
}
if(zLow > zHigh){
sint32 temp = zHigh;
zHigh = zLow;
zLow = temp;
}
if (gCheatsDisableClearanceChecks || map_can_construct_at(x, y, zLow, zHigh, 0xFF)) {
if(tile_element->type & 0x40){
gGameCommandErrorText = 0;
*ebx = MONEY32_UNDEFINED;
return;
}
if(*ebx & GAME_COMMAND_FLAG_APPLY){
sint32 new_terrain = tile_element->properties.surface.terrain & 0xE0;
if(base_height > tile_element->base_height){
new_terrain |= (base_height / 2);
}
tile_element->properties.surface.terrain = new_terrain;
map_invalidate_tile_full(x, y);
}
*ebx = 250;
if(gParkFlags & PARK_FLAGS_NO_MONEY){
*ebx = 0;
}
}else{
*ebx = MONEY32_UNDEFINED;
}
}
bool map_is_location_at_edge(sint32 x, sint32 y)
{
return x < 32 || y < 32 || x >= ((MAXIMUM_MAP_SIZE_TECHNICAL - 1) * 32) || y >= ((MAXIMUM_MAP_SIZE_TECHNICAL - 1) * 32);
}
/**
*
* rct2: 0x006B893C
*/
void game_command_place_large_scenery(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
sint32 x = (sint16)*eax;
sint32 y = (sint16)*ecx;
sint32 z = (sint16)*ebp;
colour_t colour1 = *edx & TILE_ELEMENT_COLOUR_MASK;
colour_t colour2 = (*edx >> 8) & TILE_ELEMENT_COLOUR_MASK;
uint8 flags = *ebx;
uint8 rotation = *ebx >> 8;
uint8 entry_index = *edi;
sint32 base_height = tile_element_height(x, y);
gCommandPosition.x = x + 16;
gCommandPosition.y = y + 16;
gCommandPosition.z = base_height;
gSceneryGroundFlags = 0;
uint8 banner_id = 0xFF;
money32 supportsCost = 0;
if (game_is_paused() && !gCheatsBuildInPauseMode) {
gGameCommandErrorText = STR_CONSTRUCTION_NOT_POSSIBLE_WHILE_GAME_IS_PAUSED;
*ebx = MONEY32_UNDEFINED;
return;
}
if (entry_index >= 128)
{
log_warning("Invalid game command for scenery placement, entry_index = %u", entry_index);
*ebx = MONEY32_UNDEFINED;
return;
}
rct_scenery_entry *scenery_entry = get_large_scenery_entry(entry_index);
if (scenery_entry == nullptr)
{
log_warning("Invalid game command for scenery placement, entry_index = %u", entry_index);
*ebx = MONEY32_UNDEFINED;
return;
}
if(scenery_entry->large_scenery.scrolling_mode != 0xFF){
banner_id = create_new_banner(flags);
if (banner_id == MAX_BANNERS) {
*ebx = MONEY32_UNDEFINED;
return;
}
if (flags & GAME_COMMAND_FLAG_APPLY) {
rct_banner* banner = &gBanners[banner_id];
banner->flags |= BANNER_FLAG_IS_LARGE_SCENERY;
banner->type = 0;
banner->x = x / 32;
banner->y = y / 32;
sint32 rideIndex = banner_get_closest_ride_index(x, y, z);
if (rideIndex != -1) {
banner->colour = rideIndex;
banner->flags |= BANNER_FLAG_LINKED_TO_RIDE;
}
}
}
uint32 num_elements = 0;
sint16 maxHeight = -1;
for (rct_large_scenery_tile* tile = scenery_entry->large_scenery.tiles;
tile->x_offset != -1;
tile++) {
num_elements++;
LocationXY16 curTile = {
tile->x_offset,
tile->y_offset
};
rotate_map_coordinates(&curTile.x, &curTile.y, rotation);
curTile.x += x;
curTile.y += y;
if(curTile.x >= 0x1FFF || curTile.y >= 0x1FFF || curTile.x < 0 || curTile.y < 0){
continue;
}
rct_tile_element * tile_element = map_get_surface_element_at({curTile.x, curTile.y});
if(tile_element != nullptr)
{
sint32 height = tile_element->base_height * 8;
sint32 slope = tile_element->properties.surface.slope;
if (slope & 0xF)
{
height += 16;
if (slope & 0x10)
{
height += 16;
}
}
if(height > maxHeight){
maxHeight = height;
}
}
}
if(z != 0){
maxHeight = z;
}
if (!map_check_free_elements_and_reorganise(num_elements)) {
*ebx = MONEY32_UNDEFINED;
return;
}
gCommandPosition.z = maxHeight;
uint8 tile_num = 0;
for (rct_large_scenery_tile* tile = scenery_entry->large_scenery.tiles;
tile->x_offset != -1;
tile++, tile_num++) {
LocationXY16 curTile = {
tile->x_offset,
tile->y_offset
};
rotate_map_coordinates(&curTile.x, &curTile.y, rotation);
curTile.x += x;
curTile.y += y;
sint32 zLow = (tile->z_offset + maxHeight) / 8;
sint32 zHigh = (tile->z_clearance / 8) + zLow;
sint32 bx = tile->var_7 >> 12;
bx <<= rotation;
uint8 bl = bx;
uint8 bh = bl >> 4;
bl &= 0xF;
bl |= bh;
uint8 F43887 = bl;
if (!gCheatsDisableClearanceChecks && !map_can_construct_with_clear_at(curTile.x, curTile.y, zLow, zHigh, &map_place_scenery_clear_func, bl, flags, &supportsCost, CREATE_CROSSING_MODE_NONE)) {
*ebx = MONEY32_UNDEFINED;
return;
}
if ((gMapGroundFlags & ELEMENT_IS_UNDERWATER) || (gMapGroundFlags & ELEMENT_IS_UNDERGROUND)) {
*ebx = MONEY32_UNDEFINED;
return;
}
sint32 b = gMapGroundFlags & (ELEMENT_IS_ABOVE_GROUND | ELEMENT_IS_UNDERGROUND);
if (!gCheatsDisableClearanceChecks) {
if (gSceneryGroundFlags && !(gSceneryGroundFlags & b)) {
gGameCommandErrorText = STR_CANT_BUILD_PARTLY_ABOVE_AND_PARTLY_BELOW_GROUND;
*ebx = MONEY32_UNDEFINED;
return;
}
}
gSceneryGroundFlags = b;
if (curTile.x >= gMapSizeUnits || curTile.y >= gMapSizeUnits) {
gGameCommandErrorText = STR_OFF_EDGE_OF_MAP;
*ebx = MONEY32_UNDEFINED;
return;
}
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) &&
!map_is_location_owned(curTile.x, curTile.y, zLow * 8) &&
!gCheatsSandboxMode) {
*ebx = MONEY32_UNDEFINED;
return;
}
if (flags & GAME_COMMAND_FLAG_APPLY) {
if (!(flags & GAME_COMMAND_FLAG_GHOST)) {
footpath_remove_litter(curTile.x, curTile.y, zLow * 8);
if (!gCheatsDisableClearanceChecks) {
wall_remove_at(curTile.x, curTile.y, zLow * 8, zHigh * 8);
}
}
if (gGameCommandNestLevel == 1 && !(*ebx & GAME_COMMAND_FLAG_GHOST)) {
LocationXYZ16 coord;
coord.x = x + 16;
coord.y = y + 16;
coord.z = tile_element_height(coord.x, coord.y);
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
}
rct_tile_element *new_tile_element = tile_element_insert(curTile.x / 32, curTile.y / 32, zLow, F43887);
assert(new_tile_element != nullptr);
map_animation_create(MAP_ANIMATION_TYPE_LARGE_SCENERY, curTile.x, curTile.y, zLow);
new_tile_element->clearance_height = zHigh;
new_tile_element->type = TILE_ELEMENT_TYPE_LARGE_SCENERY | rotation;
scenery_large_set_type(new_tile_element, entry_index);
scenery_large_set_sequence(new_tile_element, tile_num);
scenery_large_set_primary_colour(new_tile_element, colour1);
scenery_large_set_secondary_colour(new_tile_element, colour2);
if (banner_id != 0xFF)
{
scenery_large_set_banner_id(new_tile_element, banner_id);
}
if (flags & GAME_COMMAND_FLAG_GHOST) {
new_tile_element->flags |= TILE_ELEMENT_FLAG_GHOST;
}
if (tile_num == 0) {
gSceneryTileElement = new_tile_element;
}
map_invalidate_tile_full(curTile.x, curTile.y);
}
}
// Force ride construction to recheck area
_currentTrackSelectionFlags |= TRACK_SELECTION_FLAG_RECHECK;
*ebx = (scenery_entry->large_scenery.price * 10) + supportsCost;
if(gParkFlags & PARK_FLAGS_NO_MONEY){
*ebx = 0;
}
}
sint32 tile_element_get_station(const rct_tile_element * tileElement)
{
return (tileElement->properties.track.sequence & MAP_ELEM_TRACK_SEQUENCE_STATION_INDEX_MASK) >> 4;
}
/**
*
* rct2: 0x0068B280
*/
void tile_element_remove(rct_tile_element *tileElement)
{
// Replace Nth element by (N+1)th element.
// This loop will make tileElement point to the old last element position,
// after copy it to it's new position
if (!tile_element_is_last_for_tile(tileElement)){
do{
*tileElement = *(tileElement + 1);
} while (!tile_element_is_last_for_tile(++tileElement));
}
// Mark the latest element with the last element flag.
(tileElement - 1)->flags |= TILE_ELEMENT_FLAG_LAST_TILE;
tileElement->base_height = 0xFF;
if ((tileElement + 1) == gNextFreeTileElement){
gNextFreeTileElement--;
}
}
/**
*
* rct2: 0x00675A8E
*/
void map_remove_all_rides()
{
tile_element_iterator it;
tile_element_iterator_begin(&it);
do {
switch (tile_element_get_type(it.element)) {
case TILE_ELEMENT_TYPE_PATH:
if (footpath_element_is_queue(it.element))
{
it.element->properties.path.type &= ~8;
it.element->properties.path.addition_status = 255;
}
break;
case TILE_ELEMENT_TYPE_ENTRANCE:
if (it.element->properties.entrance.type == ENTRANCE_TYPE_PARK_ENTRANCE)
break;
// fall-through
case TILE_ELEMENT_TYPE_TRACK:
footpath_queue_chain_reset();
footpath_remove_edges_at(it.x * 32, it.y * 32, it.element);
tile_element_remove(it.element);
tile_element_iterator_restart_for_tile(&it);
break;
}
} while (tile_element_iterator_next(&it));
}
/**
*
* rct2: 0x0068AB1B
*/
void map_invalidate_map_selection_tiles()
{
LocationXY16 *position;
if (!(gMapSelectFlags & MAP_SELECT_FLAG_ENABLE_CONSTRUCT))
return;
for (position = gMapSelectionTiles; position->x != -1; position++)
map_invalidate_tile_full(position->x, position->y);
}
static void map_get_bounding_box(sint32 ax, sint32 ay, sint32 bx, sint32 by, sint32 *left, sint32 *top, sint32 *right, sint32 *bottom)
{
sint32 x, y;
x = ax;
y = ay;
uint32 rotation = get_current_rotation();
translate_3d_to_2d(rotation, &x, &y);
*left = x;
*right = x;
*top = y;
*bottom = y;
x = bx;
y = ay;
translate_3d_to_2d(rotation, &x, &y);
if (x < *left) *left = x;
if (x > *right) *right = x;
if (y > *bottom) *bottom = y;
if (y < *top) *top = y;
x = bx;
y = by;
translate_3d_to_2d(rotation, &x, &y);
if (x < *left) *left = x;
if (x > *right) *right = x;
if (y > *bottom) *bottom = y;
if (y < *top) *top = y;
x = ax;
y = by;
translate_3d_to_2d(rotation, &x, &y);
if (x < *left) *left = x;
if (x > *right) *right = x;
if (y > *bottom) *bottom = y;
if (y < *top) *top = y;
}
/**
*
* rct2: 0x0068AAE1
*/
void map_invalidate_selection_rect()
{
sint32 x0, y0, x1, y1, left, right, top, bottom;
if (!(gMapSelectFlags & MAP_SELECT_FLAG_ENABLE))
return;
x0 = gMapSelectPositionA.x + 16;
y0 = gMapSelectPositionA.y + 16;
x1 = gMapSelectPositionB.x + 16;
y1 = gMapSelectPositionB.y + 16;
map_get_bounding_box(x0, y0, x1, y1, &left, &top, &right, &bottom);
left -= 32;
right += 32;
bottom += 32;
top -= 32 + 2080;
for (sint32 i = 0; i < MAX_VIEWPORT_COUNT; i++) {
rct_viewport *viewport = &g_viewport_list[i];
if (viewport->width != 0) {
viewport_invalidate(viewport, left, top, right, bottom);
}
}
}
/**
*
* rct2: 0x0068B111
*/
void map_reorganise_elements()
{
context_setcurrentcursor(CURSOR_ZZZ);
rct_tile_element* new_tile_elements = (rct_tile_element *)malloc(3 * (MAXIMUM_MAP_SIZE_TECHNICAL * MAXIMUM_MAP_SIZE_TECHNICAL) * sizeof(rct_tile_element));
rct_tile_element* new_elements_pointer = new_tile_elements;
if (new_tile_elements == nullptr) {
log_fatal("Unable to allocate memory for map elements.");
return;
}
uint32 num_elements;
for (sint32 y = 0; y < MAXIMUM_MAP_SIZE_TECHNICAL; y++) {
for (sint32 x = 0; x < MAXIMUM_MAP_SIZE_TECHNICAL; x++) {
rct_tile_element *startElement = map_get_first_element_at(x, y);
rct_tile_element *endElement = startElement;
while (!tile_element_is_last_for_tile(endElement++));
num_elements = (uint32)(endElement - startElement);
memcpy(new_elements_pointer, startElement, num_elements * sizeof(rct_tile_element));
new_elements_pointer += num_elements;
}
}
num_elements = (uint32)(new_elements_pointer - new_tile_elements);
memcpy(gTileElements, new_tile_elements, num_elements * sizeof(rct_tile_element));
memset(gTileElements + num_elements, 0, (3 * (MAXIMUM_MAP_SIZE_TECHNICAL * MAXIMUM_MAP_SIZE_TECHNICAL) - num_elements) * sizeof(rct_tile_element));
free(new_tile_elements);
map_update_tile_pointers();
}
/**
*
* rct2: 0x0068B044
* Returns true on space available for more elements
* Reorganises the map elements to check for space
*/
bool map_check_free_elements_and_reorganise(sint32 num_elements)
{
if ((gNextFreeTileElement + num_elements) <= gTileElements + MAX_TILE_ELEMENTS)
return true;
for (sint32 i = 1000; i != 0; --i)
sub_68B089();
if ((gNextFreeTileElement + num_elements) <= gTileElements + MAX_TILE_ELEMENTS)
return true;
map_reorganise_elements();
if ((gNextFreeTileElement + num_elements) <= gTileElements + MAX_TILE_ELEMENTS)
return true;
else{
gGameCommandErrorText = STR_ERR_LANDSCAPE_DATA_AREA_FULL;
return false;
}
}
/**
*
* rct2: 0x0068B1F6
*/
rct_tile_element *tile_element_insert(sint32 x, sint32 y, sint32 z, sint32 flags)
{
rct_tile_element *originalTileElement, *newTileElement, *insertedElement;
if (!map_check_free_elements_and_reorganise(1)) {
log_error("Cannot insert new element");
return nullptr;
}
newTileElement = gNextFreeTileElement;
originalTileElement = gTileElementTilePointers[y * MAXIMUM_MAP_SIZE_TECHNICAL + x];
// Set tile index pointer to point to new element block
gTileElementTilePointers[y * MAXIMUM_MAP_SIZE_TECHNICAL + x] = newTileElement;
// Copy all elements that are below the insert height
while (z >= originalTileElement->base_height) {
// Copy over map element
*newTileElement = *originalTileElement;
originalTileElement->base_height = 255;
originalTileElement++;
newTileElement++;
if ((newTileElement - 1)->flags & TILE_ELEMENT_FLAG_LAST_TILE) {
// No more elements above the insert element
(newTileElement - 1)->flags &= ~TILE_ELEMENT_FLAG_LAST_TILE;
flags |= TILE_ELEMENT_FLAG_LAST_TILE;
break;
}
}
// Insert new map element
insertedElement = newTileElement;
newTileElement->base_height = z;
newTileElement->flags = flags;
newTileElement->clearance_height = z;
memset(&newTileElement->properties, 0, sizeof(newTileElement->properties));
newTileElement++;
// Insert rest of map elements above insert height
if (!(flags & TILE_ELEMENT_FLAG_LAST_TILE)) {
do {
// Copy over map element
*newTileElement = *originalTileElement;
originalTileElement->base_height = 255;
originalTileElement++;
newTileElement++;
} while (!((newTileElement - 1)->flags & TILE_ELEMENT_FLAG_LAST_TILE));
}
gNextFreeTileElement = newTileElement;
return insertedElement;
}
/**
* This function will validate element address. It will only check if element lies within
* the user-accessible part of map elements, there is some scratch space behind that is not
* considered valid here.
*/
bool tile_element_check_address(const rct_tile_element * const element)
{
if (element >= gTileElements
&& element < gTileElements + MAX_TILE_ELEMENTS
// condition below checks alignment
&& gTileElements + (((uintptr_t)element - (uintptr_t)gTileElements) / sizeof(rct_tile_element)) == element)
{
return true;
}
return false;
}
/**
*
* rct2: 0x0068BB18
*/
void map_obstruction_set_error_text(rct_tile_element *tileElement)
{
rct_string_id errorStringId;
Ride *ride;
rct_scenery_entry *sceneryEntry;
errorStringId = STR_OBJECT_IN_THE_WAY;
switch (tile_element_get_type(tileElement)) {
case TILE_ELEMENT_TYPE_SURFACE:
errorStringId = STR_RAISE_OR_LOWER_LAND_FIRST;
break;
case TILE_ELEMENT_TYPE_PATH:
errorStringId = STR_FOOTPATH_IN_THE_WAY;
break;
case TILE_ELEMENT_TYPE_TRACK:
ride = get_ride(track_element_get_ride_index(tileElement));
errorStringId = STR_X_IN_THE_WAY;
set_format_arg(0, rct_string_id, ride->name);
set_format_arg(2, uint32, ride->name_arguments);
break;
case TILE_ELEMENT_TYPE_SMALL_SCENERY:
sceneryEntry = get_small_scenery_entry(tileElement->properties.scenery.type);
errorStringId = STR_X_IN_THE_WAY;
set_format_arg(0, rct_string_id, sceneryEntry->name);
break;
case TILE_ELEMENT_TYPE_ENTRANCE:
switch (tileElement->properties.entrance.type) {
case ENTRANCE_TYPE_RIDE_ENTRANCE:
errorStringId = STR_RIDE_ENTRANCE_IN_THE_WAY;
break;
case ENTRANCE_TYPE_RIDE_EXIT:
errorStringId = STR_RIDE_EXIT_IN_THE_WAY;
break;
case ENTRANCE_TYPE_PARK_ENTRANCE:
errorStringId = STR_PARK_ENTRANCE_IN_THE_WAY;
break;
}
break;
case TILE_ELEMENT_TYPE_WALL:
sceneryEntry = get_wall_entry(tileElement->properties.scenery.type);
errorStringId = STR_X_IN_THE_WAY;
set_format_arg(0, rct_string_id, sceneryEntry->name);
break;
case TILE_ELEMENT_TYPE_LARGE_SCENERY:
sceneryEntry = get_large_scenery_entry(tileElement->properties.scenery.type);
errorStringId = STR_X_IN_THE_WAY;
set_format_arg(0, rct_string_id, sceneryEntry->name);
break;
}
gGameCommandErrorText = errorStringId;
}
/**
*
* rct2: 0x0068B932
* ax = x
* cx = y
* dl = zLow
* dh = zHigh
* ebp = clearFunc
* bl = bl
*/
sint32 map_can_construct_with_clear_at(sint32 x, sint32 y, sint32 zLow, sint32 zHigh, CLEAR_FUNC clearFunc, uint8 bl, uint8 flags, money32 *price, uint8 crossingMode)
{
sint32 al, ah, bh, cl, ch, water_height;
al = ah = bh = cl = ch = water_height = 0;
uint8 slope = 0;
gMapGroundFlags = ELEMENT_IS_ABOVE_GROUND;
bool canBuildCrossing = false;
if (x >= gMapSizeUnits || y >= gMapSizeUnits || x < 32 || y < 32) {
gGameCommandErrorText = STR_OFF_EDGE_OF_MAP;
return false;
}
rct_tile_element* tile_element = map_get_first_element_at(x / 32, y / 32);
do {
if (tile_element_get_type(tile_element) != TILE_ELEMENT_TYPE_SURFACE) {
if (zLow < tile_element->clearance_height && zHigh > tile_element->base_height && !(tile_element->flags & TILE_ELEMENT_FLAG_GHOST)) {
if (tile_element->flags & (bl & 0x0F)) {
goto loc_68BABC;
}
}
continue;
}
water_height = map_get_water_height(tile_element) * 2;
if (water_height && water_height > zLow && tile_element->base_height < zHigh && !gCheatsDisableClearanceChecks) {
gMapGroundFlags |= ELEMENT_IS_UNDERWATER;
if (water_height < zHigh) {
goto loc_68BAE6;
}
}
loc_68B9B7:
if (gParkFlags & PARK_FLAGS_FORBID_HIGH_CONSTRUCTION) {
al = zHigh - tile_element->base_height;
if (al >= 0) {
if (al > 18) {
gGameCommandErrorText = STR_LOCAL_AUTHORITY_WONT_ALLOW_CONSTRUCTION_ABOVE_TREE_HEIGHT;
return false;
}
}
}
// Only allow building crossings directly on a flat surface tile.
if (tile_element_get_type(tile_element) == TILE_ELEMENT_TYPE_SURFACE &&
(tile_element->properties.surface.slope & TILE_ELEMENT_SURFACE_SLOPE_MASK) == TILE_ELEMENT_SLOPE_FLAT &&
tile_element->base_height == zLow)
{
canBuildCrossing = true;
}
if ((bl & 0xF0) != 0xF0) {
if (tile_element->base_height >= zHigh) {
// loc_68BA81
gMapGroundFlags |= ELEMENT_IS_UNDERGROUND;
gMapGroundFlags &= ~ELEMENT_IS_ABOVE_GROUND;
} else {
al = tile_element->base_height;
ah = al;
cl = al;
ch = al;
slope = tile_element->properties.surface.slope & TILE_ELEMENT_SURFACE_SLOPE_MASK;
if (slope & TILE_ELEMENT_SLOPE_N_CORNER_UP) {
al += 2;
if (slope == (TILE_ELEMENT_SLOPE_S_CORNER_DN | TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT))
al += 2;
}
if (slope & TILE_ELEMENT_SLOPE_E_CORNER_UP) {
ah += 2;
if (slope == (TILE_ELEMENT_SLOPE_W_CORNER_DN | TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT))
ah += 2;
}
if (slope & TILE_ELEMENT_SLOPE_S_CORNER_UP) {
cl += 2;
if (slope == (TILE_ELEMENT_SLOPE_N_CORNER_DN | TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT))
cl += 2;
}
if (slope & TILE_ELEMENT_SLOPE_W_CORNER_UP) {
ch += 2;
if (slope == (TILE_ELEMENT_SLOPE_E_CORNER_DN | TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT))
ch += 2;
}
bh = zLow + 4;
if ((!(bl & 1) || ((bl & 0x10 || zLow >= al) && bh >= al)) &&
(!(bl & 2) || ((bl & 0x20 || zLow >= ah) && bh >= ah)) &&
(!(bl & 4) || ((bl & 0x40 || zLow >= cl) && bh >= cl)) &&
(!(bl & 8) || ((bl & 0x80 || zLow >= ch) && bh >= ch))) {
continue;
}
loc_68BABC:
if (clearFunc != nullptr) {
if (!clearFunc(&tile_element, x, y, flags, price)) {
continue;
}
}
// Crossing mode 1: building track over path
if (crossingMode == 1 &&
canBuildCrossing &&
tile_element_get_type(tile_element) == TILE_ELEMENT_TYPE_PATH &&
tile_element->base_height == zLow &&
!footpath_element_is_queue(tile_element) &&
!footpath_element_is_sloped(tile_element))
{
continue;
}
// Crossing mode 2: building path over track
else if (crossingMode == 2 &&
canBuildCrossing &&
tile_element_get_type(tile_element) == TILE_ELEMENT_TYPE_TRACK &&
tile_element->base_height == zLow &&
track_element_get_type(tile_element) == TRACK_ELEM_FLAT)
{
Ride * ride = get_ride(track_element_get_ride_index(tile_element));
if (ride->type == RIDE_TYPE_MINIATURE_RAILWAY)
{
continue;
}
}
if (tile_element != nullptr)
{
map_obstruction_set_error_text(tile_element);
}
return false;
loc_68BAE6:
if (clearFunc != nullptr) {
if (!clearFunc(&tile_element, x, y, flags, price)) {
goto loc_68B9B7;
}
}
if (tile_element != nullptr) {
gGameCommandErrorText = STR_CANNOT_BUILD_PARTLY_ABOVE_AND_PARTLY_BELOW_WATER;
}
return false;
}
}
} while (!tile_element_is_last_for_tile(tile_element++));
return true;
}
/**
*
* rct2: 0x0068B93A
*/
sint32 map_can_construct_at(sint32 x, sint32 y, sint32 zLow, sint32 zHigh, uint8 bl)
{
return gCheatsDisableClearanceChecks || map_can_construct_with_clear_at(x, y, zLow, zHigh, nullptr, bl, 0, nullptr, CREATE_CROSSING_MODE_NONE);
}
/**
* Updates grass length, scenery age and jumping fountains.
*
* rct2: 0x006646E1
*/
void map_update_tiles()
{
sint32 ignoreScreenFlags = SCREEN_FLAGS_SCENARIO_EDITOR | SCREEN_FLAGS_TRACK_DESIGNER | SCREEN_FLAGS_TRACK_MANAGER;
if (gScreenFlags & ignoreScreenFlags)
return;
// Update 43 more tiles
for (sint32 j = 0; j < 43; j++) {
sint32 x = 0;
sint32 y = 0;
uint16 interleaved_xy = gGrassSceneryTileLoopPosition;
for (sint32 i = 0; i < 8; i++) {
x = (x << 1) | (interleaved_xy & 1);
interleaved_xy >>= 1;
y = (y << 1) | (interleaved_xy & 1);
interleaved_xy >>= 1;
}
rct_tile_element *tileElement = map_get_surface_element_at(x, y);
if (tileElement != nullptr) {
map_update_grass_length(x * 32, y * 32, tileElement);
scenery_update_tile(x * 32, y * 32);
}
gGrassSceneryTileLoopPosition++;
gGrassSceneryTileLoopPosition &= 0xFFFF;
}
}
/**
*
* rct2: 0x006647A1
*/
static void map_update_grass_length(sint32 x, sint32 y, rct_tile_element *tileElement)
{
// Check if tile is grass
if ((tileElement->properties.surface.terrain & 0xE0) && !(tileElement->type & 3))
return;
sint32 grassLength = tileElement->properties.surface.grass_length & 7;
// Check if grass is underwater or outside park
sint32 waterHeight = map_get_water_height(tileElement) * 2;
if (waterHeight > tileElement->base_height || !map_is_location_in_park(x, y)) {
if (grassLength != GRASS_LENGTH_CLEAR_0)
map_set_grass_length(x, y, tileElement, GRASS_LENGTH_CLEAR_0);
return;
}
// Grass can't grow any further than CLUMPS_2 but this code also cuts grass
// if there is an object placed on top of it.
sint32 z0 = tileElement->base_height;
sint32 z1 = tileElement->base_height + 2;
if (tileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT)
z1 += 2;
// Check objects above grass
rct_tile_element *tileElementAbove = tileElement;
for (;;) {
if (tileElementAbove->flags & TILE_ELEMENT_FLAG_LAST_TILE) {
// Grow grass
// Check interim grass lengths
uint8 lengthNibble = (tileElement->properties.surface.grass_length & 0xF0) >> 4;
if (lengthNibble < 0xF) {
tileElement->properties.surface.grass_length += 0x10;
} else {
// Zeros the length nibble
tileElement->properties.surface.grass_length += 0x10;
tileElement->properties.surface.grass_length ^= 8;
if (tileElement->properties.surface.grass_length & 8) {
// Random growth rate (length nibble)
tileElement->properties.surface.grass_length |= scenario_rand() & 0x70;
} else {
// Increase length if not at max length
if (grassLength != GRASS_LENGTH_CLUMPS_2)
map_set_grass_length(x, y, tileElement, grassLength + 1);
}
}
} else {
tileElementAbove++;
if (tile_element_get_type(tileElementAbove) == TILE_ELEMENT_TYPE_WALL)
continue;
// Grass should not be affected by ghost elements.
if (tile_element_is_ghost(tileElementAbove))
continue;
if (z0 >= tileElementAbove->clearance_height)
continue;
if (z1 < tileElementAbove->base_height)
continue;
if (grassLength != GRASS_LENGTH_CLEAR_0)
map_set_grass_length(x, y, tileElement, GRASS_LENGTH_CLEAR_0);
}
break;
}
}
static void map_set_grass_length(sint32 x, sint32 y, rct_tile_element *tileElement, sint32 length)
{
sint32 oldLength = tileElement->properties.surface.grass_length & 0x7;
sint32 newLength = length & 0x7;
tileElement->properties.surface.grass_length = length;
if (newLength == oldLength)
{
return;
}
// If the new grass length won't result in an actual visual change
// then skip invalidating the tile, no point
if (((oldLength > 0 && oldLength < 4) && (newLength > 0 && newLength < 4)) ||
((oldLength > 3 && oldLength < 7) && (newLength > 3 && newLength < 7)))
{
return;
}
sint32 z = tileElement->base_height * 8;
map_invalidate_tile(x, y, z, z + 16);
}
void map_remove_provisional_elements()
{
if (gFootpathProvisionalFlags & PROVISIONAL_PATH_FLAG_1)
{
footpath_provisional_remove();
gFootpathProvisionalFlags |= PROVISIONAL_PATH_FLAG_1;
}
if (window_find_by_class(WC_RIDE_CONSTRUCTION ) != nullptr)
{
ride_remove_provisional_track_piece();
ride_entrance_exit_remove_ghost();
}
}
void map_restore_provisional_elements()
{
if (gFootpathProvisionalFlags & PROVISIONAL_PATH_FLAG_1)
{
gFootpathProvisionalFlags &= ~PROVISIONAL_PATH_FLAG_1;
footpath_provisional_set(gFootpathProvisionalType,
gFootpathProvisionalPosition.x,
gFootpathProvisionalPosition.y,
gFootpathProvisionalPosition.z,
gFootpathProvisionalSlope);
}
if (window_find_by_class(WC_RIDE_CONSTRUCTION) != nullptr)
{
ride_restore_provisional_track_piece();
ride_entrance_exit_place_provisional_ghost();
}
}
sint32 tile_element_get_banner_index(rct_tile_element *tileElement)
{
rct_scenery_entry* sceneryEntry;
switch (tile_element_get_type(tileElement)) {
case TILE_ELEMENT_TYPE_LARGE_SCENERY:
sceneryEntry = get_large_scenery_entry(scenery_large_get_type(tileElement));
if (sceneryEntry->large_scenery.scrolling_mode == 0xFF)
return -1;
return scenery_large_get_banner_id(tileElement);
case TILE_ELEMENT_TYPE_WALL:
sceneryEntry = get_wall_entry(tileElement->properties.wall.type);
if (sceneryEntry == nullptr || sceneryEntry->wall.scrolling_mode == 0xFF)
return -1;
return tileElement->properties.wall.banner_index;
case TILE_ELEMENT_TYPE_BANNER:
return tileElement->properties.banner.index;
default:
return -1;
}
}
void tile_element_remove_banner_entry(rct_tile_element *tileElement)
{
sint32 bannerIndex = tile_element_get_banner_index(tileElement);
if (bannerIndex == -1)
return;
rct_banner* banner = &gBanners[bannerIndex];
if (banner->type != BANNER_NULL) {
window_close_by_number(WC_BANNER, bannerIndex);
banner->type = BANNER_NULL;
user_string_free(banner->string_idx);
}
}
/**
* Removes elements that are out of the map size range and crops the park perimeter.
* rct2: 0x0068ADBC
*/
void map_remove_out_of_range_elements()
{
sint32 mapMaxXY = gMapSizeMaxXY;
for (sint32 y = 0; y < (MAXIMUM_MAP_SIZE_TECHNICAL * 32); y += 32) {
for (sint32 x = 0; x < (MAXIMUM_MAP_SIZE_TECHNICAL * 32); x += 32) {
if (x == 0 || y == 0 || x >= mapMaxXY || y >= mapMaxXY) {
map_buy_land_rights(x, y, x, y, BUY_LAND_RIGHTS_FLAG_UNOWN_TILE, GAME_COMMAND_FLAG_APPLY);
clear_elements_at(x, y);
}
}
}
}
/**
* Copies the terrain and slope from the edge of the map to the new tiles. Used when increasing the size of the map.
* rct2: 0x0068AC15
*/
void map_extend_boundary_surface()
{
rct_tile_element *existingTileElement, *newTileElement;
sint32 x, y, z, slope;
y = gMapSize - 2;
for (x = 0; x < MAXIMUM_MAP_SIZE_TECHNICAL; x++) {
existingTileElement = map_get_surface_element_at(x, y - 1);
newTileElement = map_get_surface_element_at(x, y);
newTileElement->type = (newTileElement->type & 0x7C) | (existingTileElement->type & 0x83);
newTileElement->properties.surface.slope = existingTileElement->properties.surface.slope & TILE_ELEMENT_SURFACE_EDGE_STYLE_MASK;
newTileElement->properties.surface.terrain = existingTileElement->properties.surface.terrain;
newTileElement->properties.surface.grass_length = existingTileElement->properties.surface.grass_length;
newTileElement->properties.surface.ownership = 0;
z = existingTileElement->base_height;
slope = existingTileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_NW_SIDE_UP;
if (slope == TILE_ELEMENT_SLOPE_NW_SIDE_UP) {
z += 2;
slope = TILE_ELEMENT_SLOPE_FLAT;
if (existingTileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT) {
slope = TILE_ELEMENT_SLOPE_N_CORNER_UP;
if (existingTileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_S_CORNER_UP) {
slope = TILE_ELEMENT_SLOPE_W_CORNER_UP;
if (existingTileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_E_CORNER_UP) {
slope = TILE_ELEMENT_SLOPE_FLAT;
}
}
}
}
if (slope & TILE_ELEMENT_SLOPE_N_CORNER_UP) slope |= TILE_ELEMENT_SLOPE_E_CORNER_UP;
if (slope & TILE_ELEMENT_SLOPE_W_CORNER_UP) slope |= TILE_ELEMENT_SLOPE_S_CORNER_UP;
newTileElement->properties.surface.slope |= slope;
newTileElement->base_height = z;
newTileElement->clearance_height = z;
update_park_fences(x << 5, y << 5);
}
x = gMapSize - 2;
for (y = 0; y < MAXIMUM_MAP_SIZE_TECHNICAL; y++) {
existingTileElement = map_get_surface_element_at(x - 1, y);
newTileElement = map_get_surface_element_at(x, y);
newTileElement->type = (newTileElement->type & 0x7C) | (existingTileElement->type & 0x83);
newTileElement->properties.surface.slope = existingTileElement->properties.surface.slope & TILE_ELEMENT_SURFACE_EDGE_STYLE_MASK;
newTileElement->properties.surface.terrain = existingTileElement->properties.surface.terrain;
newTileElement->properties.surface.grass_length = existingTileElement->properties.surface.grass_length;
newTileElement->properties.surface.ownership = 0;
z = existingTileElement->base_height;
slope = existingTileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_NE_SIDE_UP;
if (slope == TILE_ELEMENT_SLOPE_NE_SIDE_UP) {
z += 2;
slope = TILE_ELEMENT_SLOPE_FLAT;
if (existingTileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT) {
slope = TILE_ELEMENT_SLOPE_N_CORNER_UP;
if (existingTileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_S_CORNER_UP) {
slope = TILE_ELEMENT_SLOPE_E_CORNER_UP;
if (existingTileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_W_CORNER_UP) {
slope = TILE_ELEMENT_SLOPE_FLAT;
}
}
}
}
if (slope & TILE_ELEMENT_SLOPE_N_CORNER_UP) slope |= TILE_ELEMENT_SLOPE_W_CORNER_UP;
if (slope & TILE_ELEMENT_SLOPE_E_CORNER_UP) slope |= TILE_ELEMENT_SLOPE_S_CORNER_UP;
newTileElement->properties.surface.slope |= slope;
newTileElement->base_height = z;
newTileElement->clearance_height = z;
update_park_fences(x << 5, y << 5);
}
}
/**
* Clears the provided element properly from a certain tile, and updates
* the pointer (when needed) passed to this function to point to the next element.
*/
static void clear_element_at(sint32 x, sint32 y, rct_tile_element **elementPtr)
{
rct_tile_element *element = *elementPtr;
switch (tile_element_get_type(element)) {
case TILE_ELEMENT_TYPE_SURFACE:
element->base_height = 2;
element->clearance_height = 2;
element->properties.surface.slope = TILE_ELEMENT_SLOPE_FLAT;
element->properties.surface.terrain = 0;
element->properties.surface.grass_length = GRASS_LENGTH_CLEAR_0;
element->properties.surface.ownership = 0;
// Because this element is not completely removed, the pointer must be updated manually
// The rest of the elements are removed from the array, so the pointer doesn't need to be updated.
(*elementPtr)++;
break;
case TILE_ELEMENT_TYPE_ENTRANCE:
viewport_interaction_remove_park_entrance(element, x, y);
break;
case TILE_ELEMENT_TYPE_WALL:
gGameCommandErrorTitle = STR_CANT_REMOVE_THIS;
game_do_command(
x,
GAME_COMMAND_FLAG_APPLY,
y,
tile_element_get_direction(element) | (element->base_height << 8),
GAME_COMMAND_REMOVE_WALL,
0,
0
);
break;
case TILE_ELEMENT_TYPE_LARGE_SCENERY:
gGameCommandErrorTitle = STR_CANT_REMOVE_THIS;
game_do_command(
x,
(GAME_COMMAND_FLAG_APPLY) | (tile_element_get_direction(element) << 8),
y,
(element->base_height) | (scenery_large_get_sequence(element) << 8),
GAME_COMMAND_REMOVE_LARGE_SCENERY,
0,
0
);
break;
case TILE_ELEMENT_TYPE_BANNER:
gGameCommandErrorTitle = STR_CANT_REMOVE_THIS;
game_do_command(
x,
GAME_COMMAND_FLAG_APPLY,
y,
(element->base_height) | ((element->properties.banner.position & 3) << 8),
GAME_COMMAND_REMOVE_BANNER,
0,
0
);
break;
default:
tile_element_remove(element);
break;
}
}
/**
* Clears all elements properly from a certain tile.
* rct2: 0x0068AE2A
*/
static void clear_elements_at(sint32 x, sint32 y)
{
// Remove the spawn point (if there is one in the current tile)
for (sint32 i = 0; i < MAX_PEEP_SPAWNS; i++) {
PeepSpawn *peepSpawn = &gPeepSpawns[i];
if (floor2(peepSpawn->x, 32) == x && floor2(peepSpawn->y, 32) == y) {
peepSpawn->x = PEEP_SPAWN_UNDEFINED;
}
}
rct_tile_element *tileElement = map_get_first_element_at(x >> 5, y >> 5);
// Remove all elements except the last one
while(!tile_element_is_last_for_tile(tileElement))
clear_element_at(x, y, &tileElement);
// Remove the last element
clear_element_at(x, y, &tileElement);
}
sint32 map_get_highest_z(sint32 tileX, sint32 tileY)
{
rct_tile_element *tileElement;
sint32 z;
tileElement = map_get_surface_element_at(tileX, tileY);
if (tileElement == nullptr)
return -1;
z = tileElement->base_height * 8;
// Raise z so that is above highest point of land and water on tile
if ((tileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_ALL_CORNERS_UP) != TILE_ELEMENT_SLOPE_FLAT)
z += 16;
if ((tileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT) != 0)
z += 16;
z = std::max(z, map_get_water_height(tileElement) * 16);
return z;
}
bool tile_element_is_underground(rct_tile_element *tileElement)
{
do {
tileElement++;
if (tile_element_is_last_for_tile(tileElement - 1))
return false;
} while (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_SURFACE);
return true;
}
rct_tile_element *map_get_large_scenery_segment(sint32 x, sint32 y, sint32 z, sint32 direction, sint32 sequence)
{
rct_tile_element *tileElement = map_get_first_element_at(x >> 5, y >> 5);
if (tileElement == nullptr)
{
return nullptr;
}
do {
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_LARGE_SCENERY)
continue;
if (tileElement->base_height != z)
continue;
if (scenery_large_get_sequence(tileElement) != sequence)
continue;
if ((tile_element_get_direction(tileElement)) != direction)
continue;
return tileElement;
} while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
}
rct_tile_element * map_get_park_entrance_element_at(sint32 x, sint32 y, sint32 z, bool ghost)
{
rct_tile_element* tileElement = map_get_first_element_at(x >> 5, y >> 5);
if (tileElement != nullptr)
{
do
{
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_ENTRANCE)
continue;
if (tileElement->base_height != z)
continue;
if (tileElement->properties.entrance.type != ENTRANCE_TYPE_PARK_ENTRANCE)
continue;
if ((ghost == false) && (tileElement->flags & TILE_ELEMENT_FLAG_GHOST))
continue;
return tileElement;
}
while (!tile_element_is_last_for_tile(tileElement++));
}
return nullptr;
}
rct_tile_element * map_get_ride_entrance_element_at(sint32 x, sint32 y, sint32 z, bool ghost)
{
rct_tile_element * tileElement = map_get_first_element_at(x >> 5, y >> 5);
if (tileElement != nullptr)
{
do
{
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_ENTRANCE)
continue;
if (tileElement->base_height != z)
continue;
if (tileElement->properties.entrance.type != ENTRANCE_TYPE_RIDE_ENTRANCE)
continue;
if ((ghost == false) && (tileElement->flags & TILE_ELEMENT_FLAG_GHOST))
continue;
return tileElement;
}
while (!tile_element_is_last_for_tile(tileElement++));
}
return nullptr;
}
rct_tile_element * map_get_ride_exit_element_at(sint32 x, sint32 y, sint32 z, bool ghost)
{
rct_tile_element * tileElement = map_get_first_element_at(x >> 5, y >> 5);
if (tileElement != nullptr)
{
do
{
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_ENTRANCE)
continue;
if (tileElement->base_height != z)
continue;
if (tileElement->properties.entrance.type != ENTRANCE_TYPE_RIDE_EXIT)
continue;
if ((ghost == false) && (tileElement->flags & TILE_ELEMENT_FLAG_GHOST))
continue;
return tileElement;
}
while (!tile_element_is_last_for_tile(tileElement++));
}
return nullptr;
}
rct_tile_element *map_get_small_scenery_element_at(sint32 x, sint32 y, sint32 z, sint32 type, uint8 quadrant)
{
rct_tile_element *tileElement = map_get_first_element_at(x >> 5, y >> 5);
if (tileElement != nullptr)
{
do
{
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_SMALL_SCENERY)
continue;
if (tileElement->type >> 6 != quadrant)
continue;
if (tileElement->base_height != z)
continue;
if (tileElement->properties.scenery.type != type)
continue;
return tileElement;
}
while (!tile_element_is_last_for_tile(tileElement++));
}
return nullptr;
}
bool map_large_scenery_get_origin(
sint32 x, sint32 y, sint32 z, sint32 direction, sint32 sequence,
sint32 *outX, sint32 *outY, sint32 *outZ, rct_tile_element** outElement
) {
rct_tile_element *tileElement;
rct_scenery_entry *sceneryEntry;
rct_large_scenery_tile *tile;
sint16 offsetX, offsetY;
tileElement = map_get_large_scenery_segment(x, y, z, direction, sequence);
if (tileElement == nullptr)
return false;
sceneryEntry = get_large_scenery_entry(scenery_large_get_type(tileElement));
tile = &sceneryEntry->large_scenery.tiles[sequence];
offsetX = tile->x_offset;
offsetY = tile->y_offset;
rotate_map_coordinates(&offsetX, &offsetY, direction);
*outX = x - offsetX;
*outY = y - offsetY;
*outZ = (z * 8) - tile->z_offset;
if (outElement != nullptr)
*outElement = tileElement;
return true;
}
/**
*
* rct2: 0x006B9B05
*/
bool sign_set_colour(sint32 x, sint32 y, sint32 z, sint32 direction, sint32 sequence, uint8 mainColour, uint8 textColour)
{
rct_tile_element *tileElement;
rct_scenery_entry *sceneryEntry;
rct_large_scenery_tile *sceneryTiles, *tile;
sint16 offsetX, offsetY;
sint32 x0, y0, z0;
if (!map_large_scenery_get_origin(x, y, z, direction, sequence, &x0, &y0, &z0, &tileElement)) {
return false;
}
sceneryEntry = get_large_scenery_entry(scenery_large_get_type(tileElement));
sceneryTiles = sceneryEntry->large_scenery.tiles;
// Iterate through each tile of the large scenery element
sequence = 0;
for (tile = sceneryTiles; tile->x_offset != -1; tile++, sequence++) {
offsetX = tile->x_offset;
offsetY = tile->y_offset;
rotate_map_coordinates(&offsetX, &offsetY, direction);
x = x0 + offsetX;
y = y0 + offsetY;
z = (z0 + tile->z_offset) / 8;
tileElement = map_get_large_scenery_segment(x, y, z, direction, sequence);
if (tileElement != nullptr)
{
scenery_large_set_primary_colour(tileElement, mainColour);
scenery_large_set_secondary_colour(tileElement, textColour);
map_invalidate_tile(x, y, tileElement->base_height * 8 , tileElement->clearance_height * 8);
}
}
return true;
}
static void translate_3d_to_2d(sint32 rotation, sint32 *x, sint32 *y)
{
sint32 rx, ry;
switch (rotation & 3) {
default:
case 0:
rx = (*y) - (*x);
ry = (*x) + (*y);
break;
case 1:
rx = -(*x) - (*y);
ry = (*y) - (*x);
break;
case 2:
rx = (*x) - (*y);
ry = -(*x) - (*y);
break;
case 3:
rx = (*x) + (*y);
ry = (*x) - (*y);
break;
}
ry /= 2;
*x = rx;
*y = ry;
}
CoordsXY translate_3d_to_2d_with_z(sint32 rotation, CoordsXYZ pos)
{
CoordsXY result = { 0 };
switch (rotation & 3) {
default:
case 0:
result.x = pos.y - pos.x;
result.y = (pos.x + pos.y) / 2 - pos.z;
break;
case 1:
result.x = -pos.x - pos.y;
result.y = (pos.y - pos.x) / 2 - pos.z;
break;
case 2:
result.x = pos.x - pos.y;
result.y = (-pos.x - pos.y) / 2 - pos.z;
break;
case 3:
result.x = pos.x + pos.y;
result.y = (pos.x - pos.y) / 2 - pos.z;
break;
}
return result;
}
static void map_invalidate_tile_under_zoom(sint32 x, sint32 y, sint32 z0, sint32 z1, sint32 maxZoom)
{
if (gOpenRCT2Headless) return;
sint32 x1, y1, x2, y2;
x += 16;
y += 16;
translate_3d_to_2d(get_current_rotation(), &x, &y);
x1 = x - 32;
y1 = y - 32 - z1;
x2 = x + 32;
y2 = y + 32 - z0;
for (sint32 i = 0; i < MAX_VIEWPORT_COUNT; i++) {
rct_viewport *viewport = &g_viewport_list[i];
if (viewport->width != 0 && (maxZoom == -1 || viewport->zoom <= maxZoom)) {
viewport_invalidate(viewport, x1, y1, x2, y2);
}
}
}
/**
*
* rct2: 0x006EC847
*/
void map_invalidate_tile(sint32 x, sint32 y, sint32 z0, sint32 z1)
{
map_invalidate_tile_under_zoom(x, y, z0, z1, -1);
}
/**
*
* rct2: 0x006ECB60
*/
void map_invalidate_tile_zoom1(sint32 x, sint32 y, sint32 z0, sint32 z1)
{
map_invalidate_tile_under_zoom(x, y, z0, z1, 1);
}
/**
*
* rct2: 0x006EC9CE
*/
void map_invalidate_tile_zoom0(sint32 x, sint32 y, sint32 z0, sint32 z1)
{
map_invalidate_tile_under_zoom(x, y, z0, z1, 0);
}
/**
*
* rct2: 0x006EC6D7
*/
void map_invalidate_tile_full(sint32 x, sint32 y)
{
map_invalidate_tile(x, y, 0, 2080);
}
void map_invalidate_element(sint32 x, sint32 y, rct_tile_element *tileElement)
{
map_invalidate_tile(x, y, tileElement->base_height * 8, tileElement->clearance_height * 8);
}
sint32 map_get_tile_side(sint32 mapX, sint32 mapY)
{
sint32 subMapX = mapX & (32 - 1);
sint32 subMapY = mapY & (32 - 1);
return (subMapX < subMapY) ?
((subMapX + subMapY) < 32 ? 0 : 1):
((subMapX + subMapY) < 32 ? 3 : 2);
}
sint32 map_get_tile_quadrant(sint32 mapX, sint32 mapY)
{
sint32 subMapX = mapX & (32 - 1);
sint32 subMapY = mapY & (32 - 1);
return (subMapX > 16) ?
(subMapY < 16 ? 1 : 0):
(subMapY < 16 ? 2 : 3);
}
/**
*
* rct2: 0x00693BFF
*/
bool map_surface_is_blocked(sint16 x, sint16 y){
rct_tile_element *tileElement;
if (x >= 8192 || y >= 8192)
return true;
tileElement = map_get_surface_element_at({x, y});
if (tileElement == nullptr) {
return true;
}
sint16 water_height = map_get_water_height(tileElement);
water_height *= 2;
if (water_height > tileElement->base_height)
return true;
sint16 base_z = tileElement->base_height;
sint16 clear_z = tileElement->base_height + 2;
if (tileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT)
clear_z += 2;
while (!tile_element_is_last_for_tile(tileElement++)){
if (clear_z >= tileElement->clearance_height)
continue;
if (base_z < tileElement->base_height)
continue;
if (tile_element_get_type(tileElement) == TILE_ELEMENT_TYPE_PATH ||
tile_element_get_type(tileElement) == TILE_ELEMENT_TYPE_WALL)
continue;
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_SMALL_SCENERY)
return true;
rct_scenery_entry* scenery = get_small_scenery_entry(tileElement->properties.scenery.type);
if (scenery == nullptr)
{
return false;
}
if (scenery_small_entry_has_flag(scenery, SMALL_SCENERY_FLAG_FULL_TILE))
return true;
}
return false;
}
/* Clears all map elements, to be used before generating a new map */
void map_clear_all_elements()
{
for (sint32 y = 0; y < (MAXIMUM_MAP_SIZE_TECHNICAL * 32); y += 32) {
for (sint32 x = 0; x < (MAXIMUM_MAP_SIZE_TECHNICAL * 32); x += 32) {
clear_elements_at(x, y);
}
}
}
void game_command_set_sign_name(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp) {
static char newName[128];
if ((*ecx >= MAX_BANNERS) || (*ecx < 0))
{
log_warning("Invalid game command for setting sign name, banner id = %d", *ecx);
*ebx = MONEY32_UNDEFINED;
return;
}
rct_banner* banner = &gBanners[*ecx];
sint32 x = banner->x << 5;
sint32 y = banner->y << 5;
sint32 nameChunkIndex = *eax & 0xFFFF;
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_RIDE_RUNNING_COSTS;
sint32 nameChunkOffset = nameChunkIndex - 1;
if (nameChunkOffset < 0)
nameChunkOffset = 2;
nameChunkOffset *= 12;
nameChunkOffset = std::min(nameChunkOffset, (sint32)Util::CountOf(newName) - 12);
memcpy(newName + nameChunkOffset + 0, edx, 4);
memcpy(newName + nameChunkOffset + 4, ebp, 4);
memcpy(newName + nameChunkOffset + 8, edi, 4);
if (nameChunkIndex != 0) {
*ebx = 0;
return;
}
if (!(*ebx & GAME_COMMAND_FLAG_APPLY)) {
*ebx = 0;
return;
}
if (newName[0] != 0) {
rct_string_id string_id = user_string_allocate(USER_STRING_DUPLICATION_PERMITTED, newName);
if (string_id != 0) {
rct_string_id prev_string_id = banner->string_idx;
banner->string_idx = string_id;
user_string_free(prev_string_id);
banner->flags &= ~(BANNER_FLAG_LINKED_TO_RIDE);
gfx_invalidate_screen();
} else {
gGameCommandErrorText = STR_ERR_CANT_SET_BANNER_TEXT;
*ebx = MONEY32_UNDEFINED;
return;
}
}
else{
sint32 rideIndex = banner_get_closest_ride_index(x, y, 16);
if (rideIndex == -1) {
*ebx = 0;
return;
}
banner->colour = rideIndex;
banner->flags |= BANNER_FLAG_LINKED_TO_RIDE;
rct_string_id prev_string_id = banner->string_idx;
banner->string_idx = STR_DEFAULT_SIGN;
user_string_free(prev_string_id);
gfx_invalidate_screen();
}
*ebx = 0;
}
void game_command_set_sign_style(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp) {
uint8 bannerId = *ecx & 0xFF;
if (bannerId > Util::CountOf(gBanners)) {
log_warning("Invalid game command for setting sign style, banner id = %d", bannerId);
*ebx = MONEY32_UNDEFINED;
return;
}
rct_banner *banner = &gBanners[bannerId];
sint32 x = banner->x << 5;
sint32 y = banner->y << 5;
uint8 mainColour = (uint8)*edx;
uint8 textColour = (uint8)*edi;
if (*ebp == 0) { // small sign
rct_tile_element* tile_element = map_get_first_element_at(x / 32, y / 32);
bool wall_found = false;
do{
if (tile_element_get_type(tile_element) != TILE_ELEMENT_TYPE_WALL)
continue;
rct_scenery_entry* scenery_entry = get_wall_entry(tile_element->properties.wall.type);
if (scenery_entry->wall.scrolling_mode == 0xFF)
continue;
if (tile_element->properties.wall.banner_index != bannerId)
continue;
wall_found = true;
break;
} while (!tile_element_is_last_for_tile(tile_element++));
if (wall_found == false) {
*ebx = MONEY32_UNDEFINED;
return;
}
if (!(*ebx & GAME_COMMAND_FLAG_APPLY)) {
*ebx = 0;
return;
}
wall_set_primary_colour(tile_element, mainColour);
wall_set_secondary_colour(tile_element, textColour);
map_invalidate_tile(x, y, tile_element->base_height * 8, tile_element->clearance_height * 8);
} else { // large sign
rct_tile_element *tileElement = banner_get_tile_element(bannerId);
if (tileElement == nullptr || tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_LARGE_SCENERY) {
gGameCommandErrorText = STR_ERR_CANT_SET_BANNER_TEXT;
*ebx = MONEY32_UNDEFINED;
return;
}
if (!(*ebx & GAME_COMMAND_FLAG_APPLY)) {
*ebx = 0;
return;
}
if (!sign_set_colour(
banner->x * 32,
banner->y * 32,
tileElement->base_height,
tile_element_get_direction(tileElement),
scenery_large_get_sequence(tileElement),
mainColour,
textColour
)) {
*ebx = MONEY32_UNDEFINED;
return;
}
}
auto intent = Intent(INTENT_ACTION_UPDATE_BANNER);
intent.putExtra(INTENT_EXTRA_BANNER_INDEX, *ecx);
context_broadcast_intent(&intent);
*ebx = 0;
}
void game_command_modify_tile(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
const sint32 flags = *ebx;
const sint32 x = *ecx & 0xFF;
const sint32 y = (*ecx >> 8) & 0xFF;
const TILE_INSPECTOR_INSTRUCTION_TYPE instruction = static_cast<TILE_INSPECTOR_INSTRUCTION_TYPE>(*eax);
switch (instruction)
{
case TILE_INSPECTOR_ANY_REMOVE:
{
const sint16 elementIndex = *edx;
*ebx = tile_inspector_remove_element_at(x, y, elementIndex, flags);
break;
}
case TILE_INSPECTOR_ANY_SWAP:
{
const sint32 firstIndex = *edx;
const sint32 secondIndex = *edi;
*ebx = tile_inspector_swap_elements_at(x, y, firstIndex, secondIndex, flags);
break;
}
case TILE_INSPECTOR_ANY_INSERT_CORRUPT:
{
const sint16 elementIndex = *edx;
*ebx = tile_inspector_insert_corrupt_at(x, y, elementIndex, flags);
break;
}
case TILE_INSPECTOR_ANY_ROTATE:
{
const sint16 elementIndex = *edx;
*ebx = tile_inspector_rotate_element_at(x, y, elementIndex, flags);
break;
}
case TILE_INSPECTOR_ANY_PASTE:
{
rct_tile_element elementToPaste;
const sint32 data[] = { *edx, *edi };
assert_struct_size(data, sizeof(elementToPaste));
memcpy(&elementToPaste, data, 8);
*ebx = tile_inspector_paste_element_at(x, y, elementToPaste, flags);
break;
}
case TILE_INSPECTOR_ANY_SORT:
{
*ebx = tile_inspector_sort_elements_at(x, y, flags);
break;
}
case TILE_INSPECTOR_ANY_BASE_HEIGHT_OFFSET:
{
const sint16 elementIndex = *edx;
const sint8 heightOffset = *edi;
*ebx = tile_inspector_any_base_height_offset(x, y, elementIndex, heightOffset, flags);
break;
}
case TILE_INSPECTOR_SURFACE_SHOW_PARK_FENCES:
{
const bool showFences = *edx;
*ebx = tile_inspector_surface_show_park_fences(x, y, showFences, flags);
break;
}
case TILE_INSPECTOR_SURFACE_TOGGLE_CORNER:
{
const sint32 cornerIndex = *edx;
*ebx = tile_inspector_surface_toggle_corner(x, y, cornerIndex, flags);
break;
}
case TILE_INSPECTOR_SURFACE_TOGGLE_DIAGONAL:
{
*ebx = tile_inspector_surface_toggle_diagonal(x, y, flags);
break;
}
case TILE_INSPECTOR_PATH_SET_SLOPE:
{
const sint32 elementIndex = *edx;
const bool sloped = *edi;
*ebx = tile_inspector_path_set_sloped(x, y, elementIndex, sloped, flags);
break;
}
case TILE_INSPECTOR_PATH_TOGGLE_EDGE:
{
const sint32 elementIndex = *edx;
const sint32 edgeIndex = *edi;
*ebx = tile_inspector_path_toggle_edge(x, y, elementIndex, edgeIndex, flags);
break;
}
case TILE_INSPECTOR_ENTRANCE_MAKE_USABLE:
{
const sint32 elementIndex = *edx;
*ebx = tile_inspector_entrance_make_usable(x, y, elementIndex, flags);
break;
}
case TILE_INSPECTOR_WALL_SET_SLOPE:
{
const sint32 elementIndex = *edx;
const sint32 slopeValue = *edi;
*ebx = tile_inspector_wall_set_slope(x, y, elementIndex, slopeValue, flags);
break;
}
case TILE_INSPECTOR_TRACK_BASE_HEIGHT_OFFSET:
{
const sint32 elementIndex = *edx;
const sint8 heightOffset = *edi;
*ebx = tile_inspector_track_base_height_offset(x, y, elementIndex, heightOffset, flags);
break;
}
case TILE_INSPECTOR_TRACK_SET_CHAIN:
{
const sint32 elementIndex = *edx;
const bool entireTrackBlock = *edi;
const bool setChain = *ebp;
*ebx = tile_inspector_track_set_chain(x, y, elementIndex, entireTrackBlock, setChain, flags);
break;
}
case TILE_INSPECTOR_SCENERY_SET_QUARTER_LOCATION:
{
const sint32 elementIndex = *edx;
const sint32 quarterIndex = *edi;
*ebx = tile_inspector_scenery_set_quarter_location(x, y, elementIndex, quarterIndex, flags);
break;
}
case TILE_INSPECTOR_SCENERY_SET_QUARTER_COLLISION:
{
const sint32 elementIndex = *edx;
const sint32 quarterIndex = *edi;
*ebx = tile_inspector_scenery_set_quarter_collision(x, y, elementIndex, quarterIndex, flags);
break;
}
case TILE_INSPECTOR_BANNER_TOGGLE_BLOCKING_EDGE:
{
const sint32 elementIndex = *edx;
const sint32 edgeIndex = *edi;
*ebx = tile_inspector_banner_toggle_blocking_edge(x, y, elementIndex, edgeIndex, flags);
break;
}
case TILE_INSPECTOR_CORRUPT_CLAMP:
{
const sint32 elementIndex = *edx;
*ebx = tile_inspector_corrupt_clamp(x, y, elementIndex, flags);
break;
}
default:
log_error("invalid instruction");
*ebx = MONEY32_UNDEFINED;
break;
}
if (flags & GAME_COMMAND_FLAG_APPLY &&
gGameCommandNestLevel == 1 &&
!(flags & GAME_COMMAND_FLAG_GHOST) &&
*ebx != MONEY32_UNDEFINED)
{
LocationXYZ16 coord;
coord.x = (x << 5) + 16;
coord.y = (y << 5) + 16;
coord.z = tile_element_height(coord.x, coord.y);
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
}
}
/**
* Gets the track element at x, y, z.
* @param x x units, not tiles.
* @param y y units, not tiles.
* @param z Base height.
*/
rct_tile_element *map_get_track_element_at(sint32 x, sint32 y, sint32 z)
{
rct_tile_element *tileElement = map_get_first_element_at(x >> 5, y >> 5);
do {
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_TRACK) continue;
if (tileElement->base_height != z) continue;
return tileElement;
} while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
}
/**
* Gets the track element at x, y, z that is the given track type.
* @param x x units, not tiles.
* @param y y units, not tiles.
* @param z Base height.
* @param trackType
*/
rct_tile_element *map_get_track_element_at_of_type(sint32 x, sint32 y, sint32 z, sint32 trackType)
{
rct_tile_element *tileElement = map_get_first_element_at(x >> 5, y >> 5);
do {
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_TRACK) continue;
if (tileElement->base_height != z) continue;
if (track_element_get_type(tileElement) != trackType) continue;
return tileElement;
} while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
}
/**
* Gets the track element at x, y, z that is the given track type and sequence.
* @param x x units, not tiles.
* @param y y units, not tiles.
* @param z Base height.
* @param trackType
* @param sequence
*/
rct_tile_element *map_get_track_element_at_of_type_seq(sint32 x, sint32 y, sint32 z, sint32 trackType, sint32 sequence)
{
rct_tile_element *tileElement = map_get_first_element_at(x >> 5, y >> 5);
do {
if (tileElement == nullptr) break;
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_TRACK) continue;
if (tileElement->base_height != z) continue;
if (track_element_get_type(tileElement) != trackType) continue;
if (tile_element_get_track_sequence(tileElement) != sequence) continue;
return tileElement;
} while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
}
/**
* Gets the track element at x, y, z that is the given track type and sequence.
* @param x x units, not tiles.
* @param y y units, not tiles.
* @param z Base height.
* @param trackType
* @param ride index
*/
rct_tile_element *map_get_track_element_at_of_type_from_ride(sint32 x, sint32 y, sint32 z, sint32 trackType, sint32 rideIndex) {
rct_tile_element *tileElement = map_get_first_element_at(x >> 5, y >> 5);
do {
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_TRACK) continue;
if (tileElement->base_height != z) continue;
if (track_element_get_ride_index(tileElement) != rideIndex) continue;
if (track_element_get_type(tileElement) != trackType) continue;
return tileElement;
} while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
};
/**
* Gets the track element at x, y, z that is the given track type and sequence.
* @param x x units, not tiles.
* @param y y units, not tiles.
* @param z Base height.
* @param ride index
*/
rct_tile_element *map_get_track_element_at_from_ride(sint32 x, sint32 y, sint32 z, sint32 rideIndex) {
rct_tile_element *tileElement = map_get_first_element_at(x >> 5, y >> 5);
do {
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_TRACK) continue;
if (tileElement->base_height != z) continue;
if (track_element_get_ride_index(tileElement) != rideIndex) continue;
return tileElement;
} while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
};
/**
* Gets the track element at x, y, z that is the given track type and sequence.
* @param x x units, not tiles.
* @param y y units, not tiles.
* @param z Base height.
* @param direction The direction (0 - 3).
* @param ride index
*/
rct_tile_element *map_get_track_element_at_with_direction_from_ride(sint32 x, sint32 y, sint32 z, sint32 direction, sint32 rideIndex)
{
rct_tile_element *tileElement = map_get_first_element_at(x >> 5, y >> 5);
do {
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_TRACK) continue;
if (tileElement->base_height != z) continue;
if (track_element_get_ride_index(tileElement) != rideIndex) continue;
if (tile_element_get_direction(tileElement) != direction) continue;
return tileElement;
} while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
};
void map_offset_with_rotation(sint16 *x, sint16 *y, sint16 offsetX, sint16 offsetY, uint8 rotation)
{
switch (rotation & 3) {
case TILE_ELEMENT_DIRECTION_WEST:
*x += offsetX;
*y += offsetY;
break;
case TILE_ELEMENT_DIRECTION_NORTH:
*x += offsetY;
*y -= offsetX;
break;
case TILE_ELEMENT_DIRECTION_EAST:
*x -= offsetX;
*y -= offsetY;
break;
case TILE_ELEMENT_DIRECTION_SOUTH:
*x -= offsetY;
*y += offsetX;
break;
}
}
rct_tile_element *map_get_wall_element_at(sint32 x, sint32 y, sint32 z, sint32 direction)
{
rct_tile_element *tileElement = map_get_first_element_at(x >> 5, y >> 5);
do {
if (tile_element_get_type(tileElement) != TILE_ELEMENT_TYPE_WALL)
continue;
if (tileElement->base_height != z)
continue;
if (tile_element_get_direction(tileElement) != direction)
continue;
return tileElement;
} while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
}
uint32 map_get_available_peep_spawn_index_list(uint32* peepSpawnIndexList)
{
uint32 numSpawns = 0;
for (uint8 i = 0; i < MAX_PEEP_SPAWNS; i++) {
if (gPeepSpawns[i].x != PEEP_SPAWN_UNDEFINED) {
peepSpawnIndexList[numSpawns++] = i;
}
}
return numSpawns;
}
uint16 check_max_allowable_land_rights_for_tile(uint8 x, uint8 y, uint8 base_z)
{
rct_tile_element * tileElement = map_get_first_element_at(x, y);
uint16 destOwnership = OWNERSHIP_OWNED;
// Sometimes done deliberately.
if (tileElement == nullptr)
{
return OWNERSHIP_OWNED;
}
do
{
sint32 type = tile_element_get_type(tileElement);
if (type == TILE_ELEMENT_TYPE_PATH ||
(type == TILE_ELEMENT_TYPE_ENTRANCE && tileElement->properties.entrance.type == ENTRANCE_TYPE_PARK_ENTRANCE))
{
destOwnership = OWNERSHIP_CONSTRUCTION_RIGHTS_OWNED;
// Do not own construction rights if too high/below surface
if (tileElement->base_height - 3 > base_z ||
tileElement->base_height < base_z)
{
destOwnership = OWNERSHIP_UNOWNED;
break;
}
}
}
while (!tile_element_is_last_for_tile(tileElement++));
return destOwnership;
}
uint8 tile_element_get_ride_index(const rct_tile_element * tileElement)
{
switch (tile_element_get_type(tileElement))
{
case TILE_ELEMENT_TYPE_TRACK:
return track_element_get_ride_index(tileElement);
case TILE_ELEMENT_TYPE_ENTRANCE:
return tileElement->properties.entrance.ride_index;
case TILE_ELEMENT_TYPE_PATH:
return tileElement->properties.path.ride_index;
default:
return 0xFF;
}
}
void map_set_virtual_floor_height(sint16 height)
{
if (!gMapVirtualFloorVisible)
{
// If the modifiers are not set we do not actually care as the floor is invisible.
return;
}
if (gMapVirtualFloorHeight != height)
{
map_invalidate_virtual_floor_tiles();
gMapVirtualFloorHeight = height;
}
}
void map_enable_virtual_floor()
{
if (gMapVirtualFloorVisible)
{
return;
}
// Force invalidation on the next draw.
gVirtualFloorLastMinLocation.z = std::numeric_limits<sint16>::max();
gVirtualFloorLastMaxLocation.z = std::numeric_limits<sint16>::lowest();
gMapVirtualFloorVisible = true;
}
void map_remove_virtual_floor()
{
if (!gMapVirtualFloorVisible)
{
return;
}
// Force invalidation, even if the position hasn't changed.
gVirtualFloorLastMinLocation.z = std::numeric_limits<sint16>::max();
gVirtualFloorLastMaxLocation.z = std::numeric_limits<sint16>::lowest();
map_invalidate_virtual_floor_tiles();
gMapVirtualFloorHeight = 0;
gMapVirtualFloorVisible = false;
}
void map_invalidate_virtual_floor_tiles()
{
if (!gMapVirtualFloorVisible)
{
return;
}
// First, let's figure out how big our selection is.
LocationXY16 min_position = { std::numeric_limits<sint16>::max(), std::numeric_limits<sint16>::max() };
LocationXY16 max_position = { std::numeric_limits<sint16>::lowest(), std::numeric_limits<sint16>::lowest() };
if ((gMapSelectFlags & MAP_SELECT_FLAG_ENABLE))
{
min_position = gMapSelectPositionA;
max_position = gMapSelectPositionB;
}
if (gMapSelectFlags & MAP_SELECT_FLAG_ENABLE_CONSTRUCT)
{
for (LocationXY16 * tile = gMapSelectionTiles; tile->x != -1; tile++)
{
min_position.x = std::min(min_position.x, tile->x);
min_position.y = std::min(min_position.y, tile->y);
max_position.x = std::max(max_position.x, tile->x);
max_position.y = std::max(max_position.y, tile->y);
}
}
// Apply the virtual floor size to the computed invalidation area.
min_position.x -= gMapVirtualFloorBaseSize + 1;
min_position.y -= gMapVirtualFloorBaseSize + 1;
max_position.x += gMapVirtualFloorBaseSize + 1;
max_position.y += gMapVirtualFloorBaseSize + 1;
// Do not invalidate if floor hasn't moved.
if (gVirtualFloorLastMinLocation.x == min_position.x &&
gVirtualFloorLastMinLocation.y == min_position.y &&
gVirtualFloorLastMinLocation.z == gMapVirtualFloorHeight)
{
return;
}
LocationXY16 corr_min_position = min_position;
LocationXY16 corr_max_position = max_position;
// Invalidate previous locations, too, if appropriate.
if (gVirtualFloorLastMinLocation.z != std::numeric_limits<sint16>::max() &&
gVirtualFloorLastMaxLocation.z != std::numeric_limits<sint16>::lowest())
{
corr_min_position.x = std::min(min_position.x, gVirtualFloorLastMinLocation.x);
corr_min_position.y = std::min(min_position.y, gVirtualFloorLastMinLocation.y);
corr_max_position.x = std::max(max_position.x, gVirtualFloorLastMaxLocation.x);
corr_max_position.y = std::max(max_position.y, gVirtualFloorLastMaxLocation.y);
}
for (sint16 x = corr_min_position.x; x < corr_max_position.x; x++)
{
for (sint16 y = corr_min_position.y; y < corr_max_position.y; y++)
{
map_invalidate_tile_full(x, y);
}
}
// Save minimal and maximal positions. Note: not their corrected positions!
gVirtualFloorLastMinLocation.x = min_position.x;
gVirtualFloorLastMinLocation.y = min_position.y;
gVirtualFloorLastMinLocation.z = gMapVirtualFloorHeight;
gVirtualFloorLastMaxLocation.x = max_position.x;
gVirtualFloorLastMaxLocation.y = max_position.y;
gVirtualFloorLastMaxLocation.z = gMapVirtualFloorHeight;
}
bool map_tile_is_part_of_virtual_floor(sint16 x, sint16 y)
{
if (!gMapVirtualFloorVisible)
{
return false;
}
// Check if map selection (usually single tiles) are enabled
// and if the current tile is near or on them
if ((gMapSelectFlags & MAP_SELECT_FLAG_ENABLE) &&
x >= gMapSelectPositionA.x - gMapVirtualFloorBaseSize &&
y >= gMapSelectPositionA.y - gMapVirtualFloorBaseSize &&
x <= gMapSelectPositionB.x + gMapVirtualFloorBaseSize &&
y <= gMapSelectPositionB.y + gMapVirtualFloorBaseSize)
{
return true;
}
else if (gMapSelectFlags & MAP_SELECT_FLAG_ENABLE_CONSTRUCT)
{
// Check if we are anywhere near the selection tiles (larger scenery / rides)
for (LocationXY16 * tile = gMapSelectionTiles; tile->x != -1; tile++)
{
if (x >= tile->x - gMapVirtualFloorBaseSize &&
y >= tile->y - gMapVirtualFloorBaseSize &&
x <= tile->x + gMapVirtualFloorBaseSize &&
y <= tile->y + gMapVirtualFloorBaseSize)
{
return true;
}
}
}
return false;
}
void FixLandOwnershipTiles(std::initializer_list<TileCoordsXY> tiles)
{
FixLandOwnershipTilesWithOwnership(tiles, OWNERSHIP_AVAILABLE);
}
void FixLandOwnershipTilesWithOwnership(std::initializer_list<TileCoordsXY> tiles, uint8 ownership)
{
rct_tile_element * currentElement;
for (const TileCoordsXY * tile = tiles.begin(); tile != tiles.end(); ++tile)
{
currentElement = map_get_surface_element_at((*tile).x, (*tile).y);
currentElement->properties.surface.ownership |= ownership;
update_park_fences_around_tile((*tile).x * 32, (*tile).y * 32);
}
}
uint8 entrance_element_get_type(const rct_tile_element * tileElement)
{
return (tileElement->properties.entrance.type);
}
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