1
0
mirror of https://github.com/OpenRCT2/OpenRCT2 synced 2026-01-20 13:33:02 +01:00
Files
OpenRCT2/src/openrct2/world/wall.cpp
2017-02-21 20:45:59 +00:00

698 lines
26 KiB
C++

#pragma region Copyright (c) 2014-2016 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 "../common.h"
#include "../network/network.h"
extern "C"
{
#include "map.h"
#include "park.h"
#include "scenery.h"
#include "../cheats.h"
#include "../game.h"
#include "../ride/track.h"
#include "../ride/track_data.h"
#include "../localisation/string_ids.h"
}
/**
*
* rct2: 0x006E5CBA
*/
static bool WallCheckObstructionWithTrack(rct_scenery_entry *wall, sint32 x, sint32 y, sint32 z0, sint32 z1, sint32 edge, rct_map_element *trackElement, bool *wallAcrossTrack)
{
const rct_preview_track *trackBlock;
sint32 z, direction;
sint32 trackType = trackElement->properties.track.type;
sint32 sequence = trackElement->properties.track.sequence & 0x0F;
direction = (edge - trackElement->type) & 3;
rct_ride *ride = get_ride(trackElement->properties.track.ride_index);
if (ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_FLAT_RIDE)) {
if (FlatRideTrackSequenceElementAllowedWallEdges[trackType][sequence] & (1 << direction)) {
if (!ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_TRACK_NO_WALLS)) {
return true;
}
}
} else {
if (TrackSequenceElementAllowedWallEdges[trackType][sequence] & (1 << direction)) {
if (!ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_TRACK_NO_WALLS)) {
return true;
}
}
}
if (!(wall->wall.flags & WALL_SCENERY_IS_DOOR)) {
return false;
}
if (!(RideData4[ride->type].flags & RIDE_TYPE_FLAG4_0)) {
return false;
}
rct_ride_entry *rideEntry = get_ride_entry(ride->subtype);
if (rideEntry->flags & RIDE_ENTRY_FLAG_16) {
return false;
}
*wallAcrossTrack = true;
if (z0 & 1) {
return false;
}
if (sequence == 0) {
if (TrackSequenceProperties[trackType][0] & TRACK_SEQUENCE_FLAG_DISALLOW_DOORS) {
return false;
}
if (TrackDefinitions[trackType].bank_start == 0) {
if (!(TrackCoordinates[trackType].rotation_begin & 4)) {
direction = (trackElement->type & 3) ^ 2;
if (direction == edge) {
trackBlock = &TrackBlocks[trackType][sequence];
z = TrackCoordinates[trackType].z_begin;
z = trackElement->base_height + ((z - trackBlock->z) * 8);
if (z == z0) {
return true;
}
}
}
}
}
trackBlock = &TrackBlocks[trackType][sequence + 1];
if (trackBlock->index != 0xFF) {
return false;
}
if (TrackDefinitions[trackType].bank_end != 0) {
return false;
}
direction = TrackCoordinates[trackType].rotation_end;
if (direction & 4) {
return false;
}
direction = (trackElement->type + direction) & 3;
if (direction != edge) {
return false;
}
trackBlock = &TrackBlocks[trackType][sequence];
z = TrackCoordinates[trackType].z_end;
z = trackElement->base_height + ((z - trackBlock->z) * 8);
if (z != z0) {
return false;
}
return true;
}
/**
*
* rct2: 0x006E5C1A
*/
static bool WallCheckObstruction(rct_scenery_entry *wall, sint32 x, sint32 y, sint32 z0, sint32 z1, sint32 edge, bool *wallAcrossTrack)
{
sint32 entryType, sequence;
rct_scenery_entry *entry;
rct_large_scenery_tile *tile;
*wallAcrossTrack = false;
gMapGroundFlags = ELEMENT_IS_ABOVE_GROUND;
if (map_is_location_at_edge(x, y)) {
gGameCommandErrorText = STR_OFF_EDGE_OF_MAP;
return false;
}
rct_map_element *mapElement = map_get_first_element_at(x / 32, y / 32);
do {
sint32 elementType = map_element_get_type(mapElement);
if (elementType == MAP_ELEMENT_TYPE_SURFACE) continue;
if (z0 >= mapElement->clearance_height) continue;
if (z1 <= mapElement->base_height) continue;
if (elementType == MAP_ELEMENT_TYPE_WALL) {
sint32 direction = mapElement->type & 3;
if (edge == direction) {
map_obstruction_set_error_text(mapElement);
return false;
}
continue;
}
if ((mapElement->flags & 0x0F) == 0) continue;
switch (elementType) {
case MAP_ELEMENT_TYPE_ENTRANCE:
map_obstruction_set_error_text(mapElement);
return false;
case MAP_ELEMENT_TYPE_PATH:
if (mapElement->properties.path.edges & (1 << edge)) {
map_obstruction_set_error_text(mapElement);
return false;
}
break;
case MAP_ELEMENT_TYPE_SCENERY_MULTIPLE:
entryType = mapElement->properties.scenerymultiple.type & 0x3FF;
sequence = mapElement->properties.scenerymultiple.type >> 10;
entry = get_large_scenery_entry(entryType);
tile = &entry->large_scenery.tiles[sequence];
{
sint32 direction = ((edge - mapElement->type) & 3) + 8;
if (!(tile->var_7 & (1 << direction))) {
map_obstruction_set_error_text(mapElement);
return false;
}
}
break;
case MAP_ELEMENT_TYPE_SCENERY:
entryType = mapElement->properties.scenery.type;
entry = get_small_scenery_entry(entryType);
if (entry->small_scenery.flags & SMALL_SCENERY_FLAG_ALLOW_WALLS) {
map_obstruction_set_error_text(mapElement);
return false;
}
break;
case MAP_ELEMENT_TYPE_TRACK:
if (!WallCheckObstructionWithTrack(wall, x, y, z0, z1, edge, mapElement, wallAcrossTrack)) {
return false;
}
break;
}
} while (!map_element_is_last_for_tile(mapElement++));
return true;
}
enum
{
EDGE_SLOPE_ELEVATED = (1 << 0), // 0x01
EDGE_SLOPE_UPWARDS = (1 << 6), // 0x40
EDGE_SLOPE_DOWNWARDS = (1 << 7), // 0x80
EDGE_SLOPE_UPWARDS_ELEVATED = EDGE_SLOPE_UPWARDS | EDGE_SLOPE_ELEVATED,
EDGE_SLOPE_DOWNWARDS_ELEVATED = EDGE_SLOPE_DOWNWARDS | EDGE_SLOPE_ELEVATED,
};
/** rct2: 0x009A3FEC */
static const uint8 EdgeSlopes[][4] = {
// Top right Bottom right Bottom left Top left
{ 0, 0, 0, 0 },
{ 0, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS, 0 },
{ 0, 0, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS },
{ 0, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS },
{ EDGE_SLOPE_DOWNWARDS, 0, 0, EDGE_SLOPE_UPWARDS },
{ EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS },
{ EDGE_SLOPE_DOWNWARDS, 0, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED },
{ EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED },
{ EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS, 0, 0 },
{ EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS, 0 },
{ EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS },
{ EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS },
{ EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS, 0, EDGE_SLOPE_UPWARDS },
{ EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS },
{ EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED },
{ EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_UPWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS_ELEVATED },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ EDGE_SLOPE_UPWARDS, EDGE_SLOPE_UPWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS },
{ 0, 0, 0, 0 },
{ EDGE_SLOPE_UPWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS },
{ EDGE_SLOPE_DOWNWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_UPWARDS_ELEVATED },
{ 0, 0, 0, 0 },
};
money32 WallPlace(uint8 wallType, sint16 x, sint16 y, sint16 z, uint8 edge, uint8 primaryColour, uint8 secondaryColour, uint8 tertiaryColour, uint8 flags) {
rct_xyz16 position = {
x,
y,
z
};
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
gCommandPosition.x = position.x + 16;
gCommandPosition.y = position.y + 16;
gCommandPosition.z = position.z;
if (position.z == 0){
gCommandPosition.z = map_element_height(position.x, position.y) & 0xFFFF;
}
if (game_is_paused() && !gCheatsBuildInPauseMode){
gGameCommandErrorText = STR_CONSTRUCTION_NOT_POSSIBLE_WHILE_GAME_IS_PAUSED;
return MONEY32_UNDEFINED;
}
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) &&
!(flags & GAME_COMMAND_FLAG_7) && !gCheatsSandboxMode){
if (position.z == 0){
if (!map_is_location_in_park(position.x, position.y)){
return MONEY32_UNDEFINED;
}
}
else if (!map_is_location_owned(position.x, position.y, position.z)){
return MONEY32_UNDEFINED;
}
}
uint8 bp = 0;
if (position.z == 0){
rct_map_element* surfaceElement = map_get_surface_element_at(position.x / 32, position.y / 32);
if (surfaceElement == NULL){
return MONEY32_UNDEFINED;
}
position.z = surfaceElement->base_height * 8;
uint8 slope = surfaceElement->properties.surface.slope & MAP_ELEMENT_SLOPE_MASK;
bp = EdgeSlopes[slope][edge & 3];
if (bp & EDGE_SLOPE_ELEVATED) {
position.z += 16;
bp &= ~(1 << 0);
}
}
rct_map_element* surfaceElement = map_get_surface_element_at(position.x / 32, position.y / 32);
if (surfaceElement == NULL){
return MONEY32_UNDEFINED;
}
if (surfaceElement->properties.surface.terrain & MAP_ELEMENT_WATER_HEIGHT_MASK){
uint16 waterHeight = surfaceElement->properties.surface.terrain & MAP_ELEMENT_WATER_HEIGHT_MASK;
waterHeight *= 16;
if (position.z < waterHeight){
gGameCommandErrorText = STR_CANT_BUILD_THIS_UNDERWATER;
return MONEY32_UNDEFINED;
}
}
if (position.z / 8 < surfaceElement->base_height){
gGameCommandErrorText = STR_CAN_ONLY_BUILD_THIS_ABOVE_GROUND;
return MONEY32_UNDEFINED;
}
if (!(bp & 0xC0)){
uint8 newEdge = (edge + 2) & 3;
uint8 newBaseHeight = surfaceElement->base_height;
newBaseHeight += 2;
if (surfaceElement->properties.surface.slope & (1 << newEdge)){
if (position.z / 8 < newBaseHeight){
gGameCommandErrorText = STR_CAN_ONLY_BUILD_THIS_ABOVE_GROUND;
return MONEY32_UNDEFINED;
}
if (surfaceElement->properties.surface.slope & (1 << 4)){
newEdge = (newEdge - 1) & 3;
if (surfaceElement->properties.surface.slope & (1 << newEdge)){
newEdge = (newEdge + 2) & 3;
if (surfaceElement->properties.surface.slope & (1 << newEdge)){
newBaseHeight += 2;
if (position.z / 8 < newBaseHeight){
gGameCommandErrorText = STR_CAN_ONLY_BUILD_THIS_ABOVE_GROUND;
return MONEY32_UNDEFINED;
}
newBaseHeight -= 2;
}
}
}
}
newEdge = (edge + 3) & 3;
if (surfaceElement->properties.surface.slope & (1 << newEdge)){
if (position.z / 8 < newBaseHeight){
gGameCommandErrorText = STR_CAN_ONLY_BUILD_THIS_ABOVE_GROUND;
return MONEY32_UNDEFINED;
}
if (surfaceElement->properties.surface.slope & (1 << 4)){
newEdge = (newEdge - 1) & 3;
if (surfaceElement->properties.surface.slope & (1 << newEdge)){
newEdge = (newEdge + 2) & 3;
if (surfaceElement->properties.surface.slope & (1 << newEdge)){
newBaseHeight += 2;
if (position.z / 8 < newBaseHeight){
gGameCommandErrorText = STR_CAN_ONLY_BUILD_THIS_ABOVE_GROUND;
return MONEY32_UNDEFINED;
}
}
}
}
}
}
sint32 bannerIndex = 0xFF;
rct_scenery_entry* wallEntry = get_wall_entry(wallType);
// Have to check both -1 and NULL, as one can be a invalid object,
// while the other can be invalid index
if ((uintptr_t)wallEntry == (uintptr_t)-1 || wallEntry == NULL) {
return MONEY32_UNDEFINED;
}
if (wallEntry->wall.scrolling_mode != 0xFF){
bannerIndex = create_new_banner(flags);
if (bannerIndex == 0xFF){
return MONEY32_UNDEFINED;
}
rct_banner* banner = &gBanners[bannerIndex];
if (flags & GAME_COMMAND_FLAG_APPLY){
banner->flags |= (1 << 3);
banner->type = 0;
banner->x = position.x / 32;
banner->y = position.y / 32;
sint32 rideIndex = banner_get_closest_ride_index(position.x, position.y, position.z);
if (rideIndex != -1) {
banner->colour = rideIndex & 0xFF;
banner->flags |= BANNER_FLAG_LINKED_TO_RIDE;
}
}
}
uint8 clearanceHeight = position.z / 8;
if (bp & (EDGE_SLOPE_UPWARDS | EDGE_SLOPE_DOWNWARDS)) {
if (wallEntry->wall.flags & WALL_SCENERY_CANT_BUILD_ON_SLOPE){
gGameCommandErrorText = STR_ERR_UNABLE_TO_BUILD_THIS_ON_SLOPE;
return MONEY32_UNDEFINED;
}
clearanceHeight += 2;
}
clearanceHeight += wallEntry->wall.height;
bool wallAcrossTrack = false;
if (!(flags & GAME_COMMAND_FLAG_7) && !gCheatsDisableClearanceChecks){
if (!WallCheckObstruction(wallEntry, position.x, position.y, position.z / 8, clearanceHeight, edge, &wallAcrossTrack)) {
return MONEY32_UNDEFINED;
}
}
if (!map_check_free_elements_and_reorganise(1)){
return MONEY32_UNDEFINED;
}
if (flags & GAME_COMMAND_FLAG_APPLY){
if (gGameCommandNestLevel == 1 && !(flags & GAME_COMMAND_FLAG_GHOST)) {
rct_xyz16 coord;
coord.x = position.x + 16;
coord.y = position.y + 16;
coord.z = map_element_height(coord.x, coord.y);
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
}
rct_map_element* mapElement = map_element_insert(position.x / 32, position.y / 32, position.z / 8, 0);
assert(mapElement != NULL);
map_animation_create(MAP_ANIMATION_TYPE_WALL, position.x, position.y, position.z / 8);
mapElement->clearance_height = clearanceHeight;
mapElement->type = bp | edge | MAP_ELEMENT_TYPE_WALL;
mapElement->properties.wall.colour_1 = primaryColour;
mapElement->properties.wall.colour_1 |= (secondaryColour & 7) << 5;
mapElement->flags |= (secondaryColour & 0x18) << 2;
if (wallAcrossTrack) {
mapElement->properties.wall.animation |= (1 << 2);
}
mapElement->properties.wall.type = wallType;
if (bannerIndex != 0xFF){
mapElement->properties.wall.banner_index = bannerIndex;
}
if (wallEntry->wall.flags & WALL_SCENERY_HAS_TERNARY_COLOUR){
mapElement->properties.wall.colour_3 = tertiaryColour;
}
if (flags & (1 << 6)){
mapElement->flags |= MAP_ELEMENT_FLAG_GHOST;
}
gSceneryMapElement = mapElement;
map_invalidate_tile_zoom1(position.x, position.y, mapElement->base_height * 8, mapElement->base_height * 8 + 72);
}
if (gParkFlags & PARK_FLAGS_NO_MONEY){
return 0;
}
else{
return wallEntry->wall.price;
}
}
money32 WallRemove(sint16 x, sint16 y, uint8 baseHeight, uint8 direction, uint8 flags)
{
if (!map_is_location_valid(x, y)) {
return MONEY32_UNDEFINED;
}
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
if(!(flags & GAME_COMMAND_FLAG_GHOST) && game_is_paused() && !gCheatsBuildInPauseMode){
gGameCommandErrorText = STR_CONSTRUCTION_NOT_POSSIBLE_WHILE_GAME_IS_PAUSED;
return MONEY32_UNDEFINED;
}
if(!(flags & GAME_COMMAND_FLAG_GHOST) && !(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && !gCheatsSandboxMode && !map_is_location_owned(x, y, baseHeight * 8)){
return MONEY32_UNDEFINED;
}
bool wallFound = false;
rct_map_element* wallElement = map_get_first_element_at(x / 32, y / 32);
do {
if (map_element_get_type(wallElement) != MAP_ELEMENT_TYPE_WALL)
continue;
if (wallElement->base_height != baseHeight)
continue;
if ((wallElement->type & MAP_ELEMENT_DIRECTION_MASK) != direction)
continue;
if ((flags & GAME_COMMAND_FLAG_GHOST) && !(wallElement->flags & MAP_ELEMENT_FLAG_GHOST))
continue;
wallFound = true;
break;
} while (!map_element_is_last_for_tile(wallElement++));
if (!(flags & GAME_COMMAND_FLAG_APPLY) || (wallFound == false)) {
return 0;
}
if (gGameCommandNestLevel == 1 && !(flags & GAME_COMMAND_FLAG_GHOST)) {
rct_xyz16 coord;
coord.x = x + 16;
coord.y = y + 16;
coord.z = map_element_height(coord.x, coord.y);
network_set_player_last_action_coord(network_get_player_index(game_command_playerid), coord);
}
map_element_remove_banner_entry(wallElement);
map_invalidate_tile_zoom1(x, y, wallElement->base_height * 8, (wallElement->base_height * 8) + 72);
map_element_remove(wallElement);
return 0;
}
money32 WallSetColour(sint16 x, sint16 y, uint8 baseHeight, uint8 direction, uint8 primaryColour, uint8 secondaryColour, uint8 tertiaryColour, uint8 flags)
{
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
sint32 z = baseHeight * 8;
gCommandPosition.x = x + 16;
gCommandPosition.y = y + 16;
gCommandPosition.z = z;
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) &&
!map_is_location_in_park(x, y) &&
!gCheatsSandboxMode) {
return MONEY32_UNDEFINED;
}
rct_map_element* wallElement = map_get_wall_element_at(x, y, baseHeight, direction);
if (wallElement == NULL) {
return 0;
}
if ((flags & GAME_COMMAND_FLAG_GHOST) && !(wallElement->flags & MAP_ELEMENT_FLAG_GHOST)) {
return 0;
}
if(flags & GAME_COMMAND_FLAG_APPLY){
rct_scenery_entry* scenery_entry = get_wall_entry(wallElement->properties.wall.type);
wallElement->properties.wall.colour_1 &= 0xE0;
wallElement->properties.wall.colour_1 |= primaryColour;
wallElement->properties.wall.colour_1 &= 0x1F;
wallElement->flags &= 0x9F;
wallElement->properties.wall.colour_1 |= (secondaryColour & 0x7) * 32;
wallElement->flags |= (secondaryColour & 0x18) * 4;
if(scenery_entry->wall.flags & WALL_SCENERY_HAS_TERNARY_COLOUR){
wallElement->properties.wall.colour_3 = tertiaryColour;
}
map_invalidate_tile_zoom1(x, y, z, z + 72);
}
return 0;
}
extern "C"
{
uint8 wall_get_animation_frame(rct_map_element *wallElement) {
return (wallElement->properties.wall.animation >> 3) & 0xF;
}
/**
*
* rct2: 0x006E588E
*/
void wall_remove_at(sint32 x, sint32 y, sint32 z0, sint32 z1)
{
rct_map_element *mapElement;
z0 /= 8;
z1 /= 8;
repeat:
mapElement = map_get_first_element_at(x >> 5, y >> 5);
do {
if (map_element_get_type(mapElement) != MAP_ELEMENT_TYPE_WALL)
continue;
if (z0 >= mapElement->clearance_height)
continue;
if (z1 <= mapElement->base_height)
continue;
map_element_remove_banner_entry(mapElement);
map_invalidate_tile_zoom1(x, y, mapElement->base_height * 8, mapElement->base_height * 8 + 72);
map_element_remove(mapElement);
goto repeat;
} while (!map_element_is_last_for_tile(mapElement++));
}
/**
*
* rct2: 0x006E57E6
*/
void wall_remove_at_z(sint32 x, sint32 y, sint32 z)
{
wall_remove_at(x, y, z, z + 48);
}
/**
*
* rct2: 0x006E5935
*/
void wall_remove_intersecting_walls(sint32 x, sint32 y, sint32 z0, sint32 z1, sint32 direction)
{
rct_map_element *mapElement;
mapElement = map_get_first_element_at(x >> 5, y >> 5);
do {
if (map_element_get_type(mapElement) != MAP_ELEMENT_TYPE_WALL)
continue;
if (mapElement->clearance_height <= z0 || mapElement->base_height >= z1)
continue;
if (direction != (mapElement->type & 3))
continue;
map_element_remove_banner_entry(mapElement);
map_invalidate_tile_zoom1(x, y, mapElement->base_height * 8, mapElement->base_height * 8 + 72);
map_element_remove(mapElement);
mapElement--;
} while (!map_element_is_last_for_tile(mapElement++));
}
/**
*
* rct2: 0x006E519A
*/
void game_command_place_wall(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp) {
*ebx = WallPlace(
(*ebx >> 8) & 0xFF,
*eax & 0xFFFF,
*ecx & 0xFFFF,
*edi & 0xFFFF,
*edx & 0xFF,
(*edx >> 8) & 0xFF,
*ebp & 0xFF,
(*ebp >> 8) & 0xFF,
*ebx & 0xFF
);
}
money32 wall_place(
sint32 type, sint32 x, sint32 y, sint32 z, sint32 edge, sint32 primaryColour, sint32 secondaryColour, sint32 tertiaryColour, sint32 flags
) {
sint32 eax, ebx, ecx, edx, esi, edi, ebp;
eax = x;
ebx = flags | (type << 8);
ecx = y;
edx = edge | (primaryColour << 8);
edi = z;
ebp = secondaryColour | (tertiaryColour << 8);
game_command_place_wall(&eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
return ebx;
}
/**
*
* rct2: 0x006E5597
*/
void game_command_remove_wall(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
*ebx = WallRemove(
*eax & 0xFFFF,
*ecx & 0xFFFF,
(*edx >> 8) & 0xFF,
*edx & 0xFF,
*ebx & 0xFF
);
}
/**
*
* rct2: 0x006E56B5
*/
void game_command_set_wall_colour(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
{
*ebx = WallSetColour(
*eax & 0xFFFF,
*ecx & 0xFFFF,
(*edx >> 8) & 0xFF,
*edx & 0xFF,
(*ebx >> 8) & 0xFF,
*ebp & 0xFF,
(*ebp >> 8) & 0xFF,
*ebx & 0xFF
);
}
}