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OpenRCT2/src/openrct2/world/SmallScenery.cpp
2019-01-07 09:04:51 +01:00

530 lines
15 KiB
C++

/*****************************************************************************
* Copyright (c) 2014-2018 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#include "SmallScenery.h"
#include "../Cheats.h"
#include "../Context.h"
#include "../Game.h"
#include "../OpenRCT2.h"
#include "../management/Finance.h"
#include "../network/network.h"
#include "../object/ObjectManager.h"
#include "../ride/TrackDesign.h"
#include "Footpath.h"
#include "Map.h"
#include "MapAnimation.h"
#include "Park.h"
#include "Scenery.h"
#include "Surface.h"
static money32 SmallScenerySetColour(
int16_t x, int16_t y, uint8_t baseHeight, uint8_t quadrant, uint8_t sceneryType, uint8_t primaryColour,
uint8_t secondaryColour, uint8_t flags)
{
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
int32_t z = baseHeight * 8;
gCommandPosition.x = x + 16;
gCommandPosition.y = y + 16;
gCommandPosition.z = z;
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && !gCheatsSandboxMode)
{
if (!map_is_location_owned(x, y, z))
{
return MONEY32_UNDEFINED;
}
}
TileElement* tileElement = map_get_small_scenery_element_at(x, y, baseHeight, sceneryType, quadrant);
if (tileElement == nullptr)
{
return 0;
}
if ((flags & GAME_COMMAND_FLAG_GHOST) && !(tileElement->flags & TILE_ELEMENT_FLAG_GHOST))
{
return 0;
}
if (flags & GAME_COMMAND_FLAG_APPLY)
{
tileElement->AsSmallScenery()->SetPrimaryColour(primaryColour);
tileElement->AsSmallScenery()->SetSecondaryColour(secondaryColour);
map_invalidate_tile_full(x, y);
}
return 0;
}
static money32 SmallSceneryPlace(
int16_t x, int16_t y, uint16_t targetHeight, uint8_t quadrant, uint8_t rotation, uint8_t sceneryType, uint8_t primaryColour,
uint8_t secondaryColour, uint8_t flags)
{
gCommandExpenditureType = RCT_EXPENDITURE_TYPE_LANDSCAPING;
money32 clearCost = 0;
bool isOnWater = false;
bool supportsRequired = false;
if (targetHeight != 0)
{
supportsRequired = true;
}
int32_t baseHeight = tile_element_height(x, y);
// If on water
if (baseHeight & 0xFFFF0000)
{
baseHeight >>= 16;
}
gCommandPosition.x = x;
gCommandPosition.y = y;
gCommandPosition.z = baseHeight;
if (targetHeight != 0)
{
baseHeight = targetHeight;
gCommandPosition.z = baseHeight;
}
gCommandPosition.x += 16;
gCommandPosition.y += 16;
if (game_is_paused() && !gCheatsBuildInPauseMode)
{
gGameCommandErrorText = STR_CONSTRUCTION_NOT_POSSIBLE_WHILE_GAME_IS_PAUSED;
return MONEY32_UNDEFINED;
}
if (!map_check_free_elements_and_reorganise(1))
{
return MONEY32_UNDEFINED;
}
if (!byte_9D8150 && (x > gMapSizeMaxXY || y > gMapSizeMaxXY))
{
return MONEY32_UNDEFINED;
}
rct_scenery_entry* sceneryEntry = get_small_scenery_entry(sceneryType);
if (sceneryEntry == nullptr)
{
return MONEY32_UNDEFINED;
}
if (scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_FULL_TILE)
|| !scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_DIAGONAL))
{
if (scenery_small_entry_has_flag(
sceneryEntry, SMALL_SCENERY_FLAG_DIAGONAL | SMALL_SCENERY_FLAG_HALF_SPACE | SMALL_SCENERY_FLAG_THREE_QUARTERS))
{
quadrant = 0;
}
}
// Check if sub tile height is any different compared to actual surface tile height
int32_t x2 = x;
int32_t y2 = y;
if (scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_FULL_TILE))
{
x2 += 16;
y2 += 16;
}
else
{
x2 += ScenerySubTileOffsets[quadrant & 3].x - 1;
y2 += ScenerySubTileOffsets[quadrant & 3].y - 1;
}
baseHeight = tile_element_height(x2, y2);
// If on water
if (baseHeight & 0xFFFF0000)
{
// base_height2 is now the water height
baseHeight >>= 16;
if (targetHeight == 0)
{
isOnWater = true;
}
}
if (targetHeight == 0)
{
targetHeight = baseHeight;
}
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && !gCheatsSandboxMode && !map_is_location_owned(x, y, targetHeight))
{
return MONEY32_UNDEFINED;
}
if (flags & GAME_COMMAND_FLAG_APPLY && !(flags & GAME_COMMAND_FLAG_GHOST))
{
footpath_remove_litter(x, y, targetHeight);
if (!gCheatsDisableClearanceChecks && (scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_NO_WALLS)))
{
wall_remove_at(x, y, targetHeight, targetHeight + sceneryEntry->small_scenery.height);
}
}
TileElement* surfaceElement = map_get_surface_element_at({ x, y });
if (surfaceElement != nullptr && !gCheatsDisableClearanceChecks && surfaceElement->AsSurface()->GetWaterHeight() > 0)
{
int32_t water_height = (surfaceElement->AsSurface()->GetWaterHeight() * 16) - 1;
if (water_height > targetHeight)
{
gGameCommandErrorText = STR_CANT_BUILD_THIS_UNDERWATER;
return MONEY32_UNDEFINED;
}
}
if (!gCheatsDisableClearanceChecks && !(scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_STACKABLE)))
{
if (isOnWater)
{
gGameCommandErrorText = STR_CAN_ONLY_BUILD_THIS_ON_LAND;
return MONEY32_UNDEFINED;
}
if (surfaceElement != nullptr && surfaceElement->AsSurface()->GetWaterHeight() > 0)
{
if ((surfaceElement->AsSurface()->GetWaterHeight() * 16) > targetHeight)
{
gGameCommandErrorText = STR_CAN_ONLY_BUILD_THIS_ON_LAND;
return MONEY32_UNDEFINED;
}
}
}
if (!gCheatsDisableClearanceChecks && (scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_REQUIRE_FLAT_SURFACE))
&& !supportsRequired && !isOnWater && surfaceElement != nullptr
&& (surfaceElement->AsSurface()->GetSlope() != TILE_ELEMENT_SLOPE_FLAT))
{
gGameCommandErrorText = STR_LEVEL_LAND_REQUIRED;
return MONEY32_UNDEFINED;
}
if (!gCheatsDisableSupportLimits && !(scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_STACKABLE))
&& supportsRequired)
{
if (!isOnWater)
{
if (surfaceElement != nullptr)
{
if (surfaceElement->AsSurface()->GetWaterHeight() || (surfaceElement->base_height * 8) != targetHeight)
{
gGameCommandErrorText = STR_LEVEL_LAND_REQUIRED;
return MONEY32_UNDEFINED;
}
}
}
else
{
gGameCommandErrorText = STR_CAN_ONLY_BUILD_THIS_ON_LAND;
return MONEY32_UNDEFINED;
}
}
int32_t zLow = targetHeight / 8;
int32_t zHigh = zLow + ceil2(sceneryEntry->small_scenery.height, 8) / 8;
uint8_t collisionQuadrants = 0xF;
uint8_t blSupports = 0;
if (!(scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_FULL_TILE)))
{
collisionQuadrants = 1 << (quadrant ^ 2);
}
if (!(scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_HALF_SPACE)))
{
if (scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_DIAGONAL)
&& scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_FULL_TILE))
{
if (scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_THREE_QUARTERS))
{
collisionQuadrants = 0xF & rol8(0xBB, ((quadrant ^ 2) + rotation) & 3);
}
else
{
collisionQuadrants = 0xA >> ((quadrant + rotation) & 1);
}
}
}
else
{
collisionQuadrants = 0xF & rol8(0x33, ((quadrant ^ 2) + rotation) & 3);
}
if (!supportsRequired)
{
blSupports |= 0xF0;
}
if (!gCheatsDisableClearanceChecks
&& !map_can_construct_with_clear_at(
x, y, zLow, zHigh, &map_place_scenery_clear_func, blSupports | collisionQuadrants, flags, &clearCost,
CREATE_CROSSING_MODE_NONE))
{
return MONEY32_UNDEFINED;
}
gSceneryGroundFlags = gMapGroundFlags & (ELEMENT_IS_ABOVE_GROUND | ELEMENT_IS_UNDERGROUND);
money32 cost = (sceneryEntry->small_scenery.price * 10) + clearCost;
if (gParkFlags & PARK_FLAGS_NO_MONEY)
{
cost = 0;
}
if (!(flags & GAME_COMMAND_FLAG_APPLY))
{
return cost;
}
if (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);
}
TileElement* newElement = tile_element_insert(x / 32, y / 32, zLow, collisionQuadrants);
assert(newElement != nullptr);
gSceneryTileElement = newElement;
newElement->SetType(TILE_ELEMENT_TYPE_SMALL_SCENERY);
newElement->SetDirection(rotation);
SmallSceneryElement* sceneryElement = newElement->AsSmallScenery();
sceneryElement->SetSceneryQuadrant(quadrant);
sceneryElement->SetEntryIndex(sceneryType);
sceneryElement->SetAge(0);
sceneryElement->SetPrimaryColour(primaryColour);
sceneryElement->SetSecondaryColour(secondaryColour);
newElement->clearance_height = newElement->base_height + ((sceneryEntry->small_scenery.height + 7) / 8);
if (supportsRequired)
{
sceneryElement->SetNeedsSupports();
}
if (flags & GAME_COMMAND_FLAG_GHOST)
{
newElement->flags |= TILE_ELEMENT_FLAG_GHOST;
}
map_invalidate_tile_full(x, y);
if (scenery_small_entry_has_flag(sceneryEntry, SMALL_SCENERY_FLAG_ANIMATED))
{
map_animation_create(2, x, y, newElement->base_height);
}
return cost;
}
/**
*
* rct2: 0x006E0F26
*/
void game_command_set_scenery_colour(
int32_t* eax, int32_t* ebx, int32_t* ecx, int32_t* edx, [[maybe_unused]] int32_t* esi, [[maybe_unused]] int32_t* edi,
int32_t* ebp)
{
*ebx = SmallScenerySetColour(
*eax & 0xFFFF, *ecx & 0xFFFF, *edx & 0xFF, ((*ebx >> 8) & 0xFF), (*edx >> 8) & 0xFF, *ebp & 0xFF, (*ebp >> 8) & 0xFF,
*ebx & 0xFF);
}
/**
*
* rct2: 0x006E0D6E, 0x006B8D88
*/
int32_t map_place_scenery_clear_func(TileElement** tile_element, int32_t x, int32_t y, uint8_t flags, money32* price)
{
if ((*tile_element)->GetType() != TILE_ELEMENT_TYPE_SMALL_SCENERY)
return 1;
if (!(flags & GAME_COMMAND_FLAG_PATH_SCENERY))
return 1;
rct_scenery_entry* scenery = (*tile_element)->AsSmallScenery()->GetEntry();
if (gParkFlags & PARK_FLAGS_FORBID_TREE_REMOVAL)
{
if (scenery->small_scenery.height > 64)
return 1;
}
if (!(gParkFlags & PARK_FLAGS_NO_MONEY))
*price += scenery->small_scenery.removal_price * 10;
if (flags & GAME_COMMAND_FLAG_GHOST)
return 0;
if (!(flags & GAME_COMMAND_FLAG_APPLY))
return 0;
map_invalidate_tile(x, y, (*tile_element)->base_height * 8, (*tile_element)->clearance_height * 8);
tile_element_remove(*tile_element);
(*tile_element)--;
return 0;
}
/**
*
* rct2: 0x006C5A4F, 0x006CDE57, 0x006A6733, 0x0066637E
*/
int32_t map_place_non_scenery_clear_func(TileElement** tile_element, int32_t x, int32_t y, uint8_t flags, money32* price)
{
if ((*tile_element)->GetType() != TILE_ELEMENT_TYPE_SMALL_SCENERY)
return 1;
rct_scenery_entry* scenery = (*tile_element)->AsSmallScenery()->GetEntry();
if (gParkFlags & PARK_FLAGS_FORBID_TREE_REMOVAL)
{
if (scenery->small_scenery.height > 64)
return 1;
}
if (!(gParkFlags & PARK_FLAGS_NO_MONEY))
*price += scenery->small_scenery.removal_price * 10;
if (flags & GAME_COMMAND_FLAG_GHOST)
return 0;
if (!(flags & GAME_COMMAND_FLAG_APPLY))
return 0;
map_invalidate_tile(x, y, (*tile_element)->base_height * 8, (*tile_element)->clearance_height * 8);
tile_element_remove(*tile_element);
(*tile_element)--;
return 0;
}
/**
*
* rct2: 0x006E08F4
*/
void game_command_place_scenery(
int32_t* eax, int32_t* ebx, int32_t* ecx, int32_t* edx, [[maybe_unused]] int32_t* esi, int32_t* edi, int32_t* ebp)
{
*ebx = SmallSceneryPlace(
*eax & 0xFFFF, *ecx & 0xFFFF, *ebp & 0xFFFF, *edx & 0xFF, *edi & 0xFF, (*ebx >> 8) & 0xFF, (*edx >> 8) & 0xFF,
(*edi >> 16) & 0xFF, *ebx & 0xFF);
}
bool scenery_small_entry_has_flag(const rct_scenery_entry* sceneryEntry, uint32_t flags)
{
return (bool)(sceneryEntry->small_scenery.flags & flags);
}
uint8_t SmallSceneryElement::GetSceneryQuadrant() const
{
return (this->type & TILE_ELEMENT_QUADRANT_MASK) >> 6;
}
void SmallSceneryElement::SetSceneryQuadrant(uint8_t newQuadrant)
{
type &= ~TILE_ELEMENT_QUADRANT_MASK;
type |= (newQuadrant << 6);
}
uint8_t SmallSceneryElement::GetEntryIndex() const
{
return this->entryIndex;
}
void SmallSceneryElement::SetEntryIndex(uint8_t newIndex)
{
this->entryIndex = newIndex;
}
uint8_t SmallSceneryElement::GetAge() const
{
return this->age;
}
void SmallSceneryElement::SetAge(uint8_t newAge)
{
this->age = newAge;
}
void SmallSceneryElement::IncreaseAge(int32_t x, int32_t y)
{
if (flags & SMALL_SCENERY_FLAG_ANIMATED)
return;
if (age < 255)
{
uint8_t newAge = age++;
// Only invalidate tiles when scenery crosses the withering threshholds, and can be withered.
if (newAge == SCENERY_WITHER_AGE_THRESHOLD_1 || newAge == SCENERY_WITHER_AGE_THRESHOLD_2)
{
rct_scenery_entry* entry = GetEntry();
if (scenery_small_entry_has_flag(entry, SMALL_SCENERY_FLAG_CAN_WITHER))
{
map_invalidate_tile_zoom1(x, y, base_height * 8, clearance_height * 8);
}
}
}
}
colour_t SmallSceneryElement::GetPrimaryColour() const
{
return colour_1 & TILE_ELEMENT_COLOUR_MASK;
}
colour_t SmallSceneryElement::GetSecondaryColour() const
{
return colour_2 & TILE_ELEMENT_COLOUR_MASK;
}
void SmallSceneryElement::SetPrimaryColour(colour_t colour)
{
assert(colour <= 31);
colour_1 &= ~TILE_ELEMENT_COLOUR_MASK;
colour_1 |= colour;
}
void SmallSceneryElement::SetSecondaryColour(colour_t colour)
{
assert(colour <= 31);
colour_2 &= ~TILE_ELEMENT_COLOUR_MASK;
colour_2 |= colour;
}
bool SmallSceneryElement::NeedsSupports() const
{
return (bool)(colour_1 & MAP_ELEM_SMALL_SCENERY_COLOUR_FLAG_NEEDS_SUPPORTS);
}
void SmallSceneryElement::SetNeedsSupports()
{
colour_1 |= MAP_ELEM_SMALL_SCENERY_COLOUR_FLAG_NEEDS_SUPPORTS;
}
rct_scenery_entry* SmallSceneryElement::GetEntry() const
{
return get_small_scenery_entry(entryIndex);
}
rct_scenery_entry* get_small_scenery_entry(int32_t entryIndex)
{
rct_scenery_entry* result = nullptr;
auto& objMgr = OpenRCT2::GetContext()->GetObjectManager();
auto obj = objMgr.GetLoadedObject(OBJECT_TYPE_SMALL_SCENERY, entryIndex);
if (obj != nullptr)
{
result = (rct_scenery_entry*)obj->GetLegacyData();
}
return result;
}