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OpenRCT2/src/openrct2/paint/tile_element/Paint.Surface.cpp

1668 lines
64 KiB
C++

/*****************************************************************************
* Copyright (c) 2014-2025 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 "Paint.Surface.h"
#include "../../Cheats.h"
#include "../../GameState.h"
#include "../../OpenRCT2.h"
#include "../../SpriteIds.h"
#include "../../config/Config.h"
#include "../../core/Numerics.hpp"
#include "../../drawing/Drawing.h"
#include "../../entity/EntityRegistry.h"
#include "../../entity/PatrolArea.h"
#include "../../entity/Peep.h"
#include "../../entity/Staff.h"
#include "../../interface/Colour.h"
#include "../../interface/Viewport.h"
#include "../../object/TerrainEdgeObject.h"
#include "../../object/TerrainSurfaceObject.h"
#include "../../paint/Paint.h"
#include "../../profiling/Profiling.h"
#include "../../ride/TrackDesign.h"
#include "../../world/Map.h"
#include "../../world/MapSelection.h"
#include "../../world/tile_element/Slope.h"
#include "../../world/tile_element/SurfaceElement.h"
#include "../../world/tile_element/TileElement.h"
#include "../Boundbox.h"
#include "../Paint.SessionFlags.h"
#include "Paint.TileElement.h"
#include "Segment.h"
#include <cassert>
#include <cstring>
#include <iterator>
using namespace OpenRCT2;
// Needed to make the sign appear above footpaths.
static constexpr int16_t ForSaleSignZOffset = 3;
static constexpr uint8_t Byte97B444[] = {
0, 2, 1, 3, 8, 10, 9, 11, 4, 6, 5, 7, 12, 14, 13, 15, 0, 0, 0, 0, 0, 0, 0, 17, 0, 0, 0, 16, 0, 18, 15, 0,
};
// rct2: 0x97B464, 0x97B474, 0x97B484, 0x97B494
static constexpr CoordsXY viewport_surface_paint_data[][4] = {
{
{ 32, 0 },
{ -32, 32 },
{ -64, -32 },
{ 0, -64 },
},
{
{ 0, 32 },
{ -64, 0 },
{ -32, -64 },
{ 32, -32 },
},
{
{ 0, -32 },
{ 0, 0 },
{ -32, 0 },
{ -32, -32 },
},
{
{ -32, 0 },
{ -32, -32 },
{ 0, -32 },
{ 0, 0 },
},
};
enum
{
CORNER_TOP,
CORNER_RIGHT,
CORNER_BOTTOM,
CORNER_LEFT
};
struct CornerHeight
{
uint8_t top;
uint8_t right;
uint8_t bottom;
uint8_t left;
};
// clang-format off
/**
* rct2: 0x0097B4A4 (R), 0x0097B4C4 (T), 0x0097B4E4 (L), 0x0097B504 (B)
*/
static constexpr CornerHeight corner_heights[] = {
// T R B L
{ 0, 0, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 },
{ 0, 0, 1, 1 },
{ 1, 0, 0, 0 },
{ 1, 0, 1, 0 },
{ 1, 0, 0, 1 },
{ 1, 0, 1, 1 },
{ 0, 1, 0, 0 },
{ 0, 1, 1, 0 },
{ 0, 1, 0, 1 },
{ 0, 1, 1, 1 },
{ 1, 1, 0, 0 },
{ 1, 1, 1, 0 },
{ 1, 1, 0, 1 },
{ 1, 1, 1, 1 },
{ 0, 0, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 },
{ 0, 0, 1, 1 },
{ 1, 0, 0, 0 },
{ 1, 0, 1, 0 },
{ 1, 0, 0, 1 },
{ 1, 0, 1, 2 },
{ 0, 1, 0, 0 },
{ 0, 1, 1, 0 },
{ 0, 1, 0, 1 },
{ 0, 1, 2, 1 },
{ 1, 1, 0, 0 },
{ 1, 2, 1, 0 },
{ 2, 1, 0, 1 },
{ 1, 1, 1, 1 },
};
// bottom left tint
static constexpr uint8_t Byte97B524[] = {
2, 5, 1, 4, 2, 5, 1, 2, 2, 4,
1, 2, 1, 3, 0, 3, 1, 5, 0,
};
// top left tint
static constexpr uint32_t Byte97B537[] = {
2, 5, 2, 4, 2, 5, 1, 1, 3, 4,
3, 2, 1, 2, 0, 3, 1, 5, 0,
};
// top right tint
static constexpr uint8_t Byte97B54A[] = {
2, 2, 2, 4, 0, 0, 1, 1, 3, 4,
3, 5, 1, 2, 2, 3, 1, 5, 0,
};
// bottom right tint
static constexpr uint8_t Byte97B55D[] = {
2, 2, 1, 4, 0, 0, 1, 2, 2, 4,
1, 5, 1, 3, 2, 3, 1, 5, 0,
};
struct TunnelDescriptor
{
uint8_t height;
uint8_t boundBoxLength;
int16_t boundBoxZOffset;
int8_t lowerEdgeBoundingBoxZ;
TunnelType lowClearanceAlternative;
uint8_t imageOffset;
};
static constexpr TunnelDescriptor kTunnels[] = {
{ 2, 2, 0, 15, TunnelType::StandardFlat, 36 }, // TunnelType::StandardFlat
{ 3, 3, 0, 15, TunnelType::StandardFlat, 40 }, // TunnelType::StandardSlopeStart
{ 3, 5, -32, 4, TunnelType::StandardFlat, 44 }, // TunnelType::StandardSlopeEnd
{ 3, 3, 0, 15, TunnelType::InvertedFlat, 48 }, // TunnelType::InvertedFlat
{ 4, 4, 0, 15, TunnelType::InvertedFlat, 52 }, // TunnelType::InvertedSlopeStart
{ 4, 7, -48, 4, TunnelType::InvertedFlat, 56 }, // TunnelType::InvertedSlopeEnd
{ 2, 2, 0, 15, TunnelType::SquareFlat, 60 }, // TunnelType::SquareFlat
{ 3, 3, 0, 15, TunnelType::SquareFlat, 64 }, // TunnelType::SquareSlopeStart
{ 3, 5, -32, 4, TunnelType::SquareFlat, 68 }, // TunnelType::SquareSlopeEnd
{ 3, 3, 0, 15, TunnelType::SquareFlat, 72 }, // TunnelType::InvertedSquare
{ 2, 3, -16, 15, TunnelType::PathAndMiniGolf, 76 }, // TunnelType::PathAndMiniGolf
{ 2, 3, -16, 15, TunnelType::Path11, 80 }, // TunnelType::Path11
{ 2, 3, -16, 4, TunnelType::StandardFlatTo25Deg, 36 }, // TunnelType::StandardFlatTo25Deg
{ 3, 4, -16, 4, TunnelType::InvertedFlatTo25Deg, 48 }, // TunnelType::InvertedFlatTo25Deg
{ 2, 3, -16, 4, TunnelType::SquareFlatTo25Deg, 60 }, // TunnelType::SquareFlatTo25Deg
{ 3, 4, -16, 4, TunnelType::SquareFlatTo25Deg, 72 }, // TunnelType::InvertedSquareFlatTo25Deg
{ 2, 2, 0, 15, TunnelType::doorClosed, 84 }, // TunnelType::doorClosed
{ 2, 2, 0, 15, TunnelType::doorOpeningOutward, 88 }, // TunnelType::doorOpeningOutward
{ 2, 2, 0, 15, TunnelType::doorOpenOutward, 92 }, // TunnelType::doorOpenOutward
{ 2, 2, 0, 15, TunnelType::doorOpeningInward, 96 }, // TunnelType::doorOpeningInward
{ 2, 2, 0, 15, TunnelType::doorOpenInward, 100 }, // TunnelType::doorOpenInward
{ 2, 3, -16, 4, TunnelType::doorClosedFlatToDown25, 84 }, // TunnelType::doorClosedFlatToDown25
{ 2, 3, -16, 4, TunnelType::doorOpeningOutwardFlatToDown25, 88 }, // TunnelType::doorOpeningOutwardFlatToDown25
{ 2, 3, -16, 4, TunnelType::doorOpenOutwardFlatToDown25, 92 }, // TunnelType::doorOpenOutwardFlatToDown25
{ 2, 3, -16, 4, TunnelType::doorOpeningInwardFlatToDown25, 96 }, // TunnelType::doorOpeningInwardFlatToDown25
{ 2, 3, -16, 4, TunnelType::doorOpenInwardFlatToDown25, 100 }, // TunnelType::doorOpenInwardFlatToDown25
};
static_assert(std::size(kTunnels) == kTunnelTypeCount);
// clang-format on
// tunnel offset
static constexpr uint8_t Byte97B740[] = {
0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 3, 0, 1, 4, 0,
};
struct TileDescriptor
{
TileCoordsXY tile_coords;
const TileElement* tile_element;
const TerrainSurfaceObject* surfaceObject;
uint8_t slope;
CornerHeight corner_heights;
};
struct TileSurfaceBoundaryData
{
int32_t bit_1;
int32_t bit_8;
int32_t bit_4;
int32_t bit_2;
uint32_t image[5];
CoordsXY offset;
BoundBoxXY Boundbox;
};
static constexpr TileSurfaceBoundaryData _tileSurfaceBoundaries[4] = {
{
// Bottom right
1,
8,
4,
2,
{
SPR_TERRAIN_BOUNDARY_FENCES_1,
SPR_TERRAIN_BOUNDARY_FENCES_5,
SPR_TERRAIN_BOUNDARY_FENCES_3,
SPR_TERRAIN_BOUNDARY_FENCES_3,
SPR_TERRAIN_BOUNDARY_FENCES_5,
},
{ 1, 31 },
{ { 1, 31 }, { 30, 1 } },
},
{
// Bottom left
1,
2,
4,
8,
{
SPR_TERRAIN_BOUNDARY_FENCES_2,
SPR_TERRAIN_BOUNDARY_FENCES_6,
SPR_TERRAIN_BOUNDARY_FENCES_4,
SPR_TERRAIN_BOUNDARY_FENCES_4,
SPR_TERRAIN_BOUNDARY_FENCES_6,
},
{ 31, 0 },
{ { 31, 1 }, { 1, 30 } },
},
{
// Top left
4,
2,
8,
1,
{
SPR_TERRAIN_BOUNDARY_FENCES_1,
SPR_TERRAIN_BOUNDARY_FENCES_3,
SPR_TERRAIN_BOUNDARY_FENCES_5,
SPR_TERRAIN_BOUNDARY_FENCES_3,
SPR_TERRAIN_BOUNDARY_FENCES_5,
},
{ 1, 0 },
{ { 1, 1 }, { 30, 1 } },
},
{
// Top right
4,
8,
2,
1,
{
SPR_TERRAIN_BOUNDARY_FENCES_2,
SPR_TERRAIN_BOUNDARY_FENCES_4,
SPR_TERRAIN_BOUNDARY_FENCES_6,
SPR_TERRAIN_BOUNDARY_FENCES_4,
SPR_TERRAIN_BOUNDARY_FENCES_6,
},
{ 1, 1 },
{ { 1, 1 }, { 1, 30 } },
},
};
static ImageId GetSurfacePattern(const TerrainSurfaceObject* surfaceObject, int32_t offset)
{
ImageId image;
if (surfaceObject != nullptr)
{
image = ImageId(surfaceObject->PatternBaseImageId + offset);
if (surfaceObject->Colour != TerrainSurfaceObject::kNoValue)
{
image = image.WithPrimary(surfaceObject->Colour);
}
}
return image;
}
static bool SurfaceShouldSmoothSelf(const TerrainSurfaceObject* surfaceObject)
{
if (surfaceObject == nullptr)
return false;
return surfaceObject->Flags & TerrainSurfaceFlags::smoothWithSelf;
}
static bool SurfaceShouldSmooth(const TerrainSurfaceObject* surfaceObject)
{
if (surfaceObject == nullptr)
return false;
return surfaceObject->Flags & TerrainSurfaceFlags::smoothWithOther;
}
static ImageId GetEdgeImageWithOffset(const TerrainEdgeObject* edgeObject, uint32_t offset)
{
ImageId result;
if (edgeObject != nullptr)
{
result = ImageId(edgeObject->BaseImageId + offset);
}
return result;
}
static ImageId GetEdgeImage(const TerrainEdgeObject* edgeObject, uint8_t type)
{
static constexpr uint32_t offsets[] = {
0,
20,
10,
30,
};
ImageId result;
if (type < std::size(offsets))
{
result = GetEdgeImageWithOffset(edgeObject, offsets[type]);
}
return result;
}
static ImageId GetTunnelImage(const TerrainEdgeObject* edgeObject, TunnelType type, edge_t edge)
{
bool hasDoors = false;
if (edgeObject != nullptr)
{
hasDoors = edgeObject->HasDoors && !edgeObject->UsesFallbackImages();
}
if (!hasDoors && EnumValue(type) >= kRegularTunnelTypeCount)
type = TunnelType::StandardFlat;
ImageId result = GetEdgeImageWithOffset(edgeObject, kTunnels[EnumValue(type)].imageOffset)
.WithIndexOffset(edge == EDGE_BOTTOMRIGHT ? 2 : 0);
return result;
}
static uint8_t ViewportSurfacePaintSetupGetRelativeSlope(const SurfaceElement& surfaceElement, int32_t rotation)
{
const uint8_t slope = surfaceElement.GetSlope();
const uint8_t slopeHeight = slope & kTileSlopeDiagonalFlag;
uint16_t slopeCorners = (slope & kTileSlopeRaisedCornersMask) << rotation;
slopeCorners = ((slopeCorners >> 4) | slopeCorners) & 0x0F;
return slopeHeight | slopeCorners;
}
/**
* rct2: 0x0065E890, 0x0065E946, 0x0065E9FC, 0x0065EAB2
*/
static void ViewportSurfaceSmoothenEdge(
PaintSession& session, const edge_t edge, const TileDescriptor& self, const TileDescriptor& neighbour)
{
PROFILED_FUNCTION();
if (neighbour.tile_element == nullptr)
return;
// The edge row consists of invisible grass tiles. Do not attempt to smooth with them.
if (MapIsEdge(self.tile_coords.ToCoordsXY()) || MapIsEdge(neighbour.tile_coords.ToCoordsXY()))
return;
uint32_t maskImageBase = 0;
uint8_t neighbourCorners[2] = { 0 };
uint8_t ownCorners[2] = { 0 };
switch (edge)
{
case EDGE_BOTTOMLEFT:
maskImageBase = SPR_TERRAIN_EDGE_MASK_BOTTOM_LEFT;
neighbourCorners[0] = neighbour.corner_heights.top;
neighbourCorners[1] = neighbour.corner_heights.right;
ownCorners[0] = self.corner_heights.left;
ownCorners[1] = self.corner_heights.bottom;
break;
case EDGE_BOTTOMRIGHT:
maskImageBase = SPR_TERRAIN_EDGE_MASK_BOTTOM_RIGHT;
neighbourCorners[0] = neighbour.corner_heights.top;
neighbourCorners[1] = neighbour.corner_heights.left;
ownCorners[0] = self.corner_heights.right;
ownCorners[1] = self.corner_heights.bottom;
break;
case EDGE_TOPLEFT:
maskImageBase = SPR_TERRAIN_EDGE_MASK_TOP_LEFT;
neighbourCorners[0] = neighbour.corner_heights.right;
neighbourCorners[1] = neighbour.corner_heights.bottom;
ownCorners[0] = self.corner_heights.top;
ownCorners[1] = self.corner_heights.left;
break;
case EDGE_TOPRIGHT:
maskImageBase = SPR_TERRAIN_EDGE_MASK_TOP_RIGHT;
neighbourCorners[0] = neighbour.corner_heights.left;
neighbourCorners[1] = neighbour.corner_heights.bottom;
ownCorners[0] = self.corner_heights.top;
ownCorners[1] = self.corner_heights.right;
break;
}
if (ownCorners[0] != neighbourCorners[0] || ownCorners[1] != neighbourCorners[1])
{
// Only smoothen tiles that align
return;
}
uint8_t dh = 0, cl = 0;
switch (edge)
{
case EDGE_BOTTOMLEFT:
dh = Byte97B524[Byte97B444[self.slope]];
cl = Byte97B54A[Byte97B444[neighbour.slope]];
break;
case EDGE_TOPLEFT:
dh = Byte97B537[Byte97B444[self.slope]];
cl = Byte97B55D[Byte97B444[neighbour.slope]];
break;
case EDGE_BOTTOMRIGHT:
dh = Byte97B55D[Byte97B444[self.slope]];
cl = Byte97B537[Byte97B444[neighbour.slope]];
break;
case EDGE_TOPRIGHT:
dh = Byte97B54A[Byte97B444[self.slope]];
cl = Byte97B524[Byte97B444[neighbour.slope]];
break;
}
if (self.surfaceObject == neighbour.surfaceObject)
{
// same tint
if (cl == dh)
return;
if (!SurfaceShouldSmoothSelf(self.surfaceObject))
return;
}
else
{
if (!SurfaceShouldSmooth(self.surfaceObject))
return;
if (!SurfaceShouldSmooth(neighbour.surfaceObject))
return;
}
const auto image_id = ImageId(maskImageBase + Byte97B444[self.slope]);
if (PaintAttachToPreviousPS(session, image_id, 0, 0))
{
AttachedPaintStruct* out = session.LastAttachedPS;
// set content and enable masking
out->ColourImageId = GetSurfacePattern(neighbour.surfaceObject, cl);
out->IsMasked = true;
}
}
static bool TileIsInsideClipView(const TileDescriptor& tile)
{
if (tile.tile_element == nullptr)
return false;
if (tile.tile_element->GetBaseZ() > gClipHeight * kCoordsZStep)
return false;
auto coords = tile.tile_coords.ToCoordsXY();
if (coords.x < gClipSelectionA.x || coords.x > gClipSelectionB.x)
return false;
if (coords.y < gClipSelectionA.y || coords.y > gClipSelectionB.y)
return false;
return true;
}
static void ViewportSurfaceDrawTileSideBottom(
PaintSession& session, enum edge_t edge, uint16_t height, const TerrainEdgeObject* edgeObject, const TileDescriptor& self,
const TileDescriptor& neighbour, bool isWater)
{
PROFILED_FUNCTION();
// From big Z to tiny Z
height /= kCoordsZPerTinyZ;
int16_t cornerHeight1, neighbourCornerHeight1, cornerHeight2, neighbourCornerHeight2;
CoordsXY offset = { 0, 0 };
CoordsXY bounds = { 0, 0 };
CoordsXY tunnelBounds = { 1, 1 };
CoordsXY tunnelTopBoundBoxOffset = { 0, 0 };
switch (edge)
{
case EDGE_BOTTOMLEFT:
cornerHeight1 = self.corner_heights.left;
cornerHeight2 = self.corner_heights.bottom;
neighbourCornerHeight1 = neighbour.corner_heights.top;
neighbourCornerHeight2 = neighbour.corner_heights.right;
offset.x = 30;
bounds.y = 30;
tunnelBounds.x = 32;
tunnelTopBoundBoxOffset.y = 31;
break;
case EDGE_BOTTOMRIGHT:
cornerHeight1 = self.corner_heights.right;
cornerHeight2 = self.corner_heights.bottom;
neighbourCornerHeight1 = neighbour.corner_heights.top;
neighbourCornerHeight2 = neighbour.corner_heights.left;
offset.y = 30;
bounds.x = 30;
tunnelBounds.y = 32;
tunnelTopBoundBoxOffset.x = 31;
break;
default:
return;
}
bool neighbourIsClippedAway = (session.ViewFlags & VIEWPORT_FLAG_CLIP_VIEW) && !TileIsInsideClipView(neighbour);
if (neighbour.tile_element == nullptr || neighbourIsClippedAway)
{
// The neighbour tile doesn't exist or isn't drawn - assume minimum height to draw full edges
neighbourCornerHeight2 = kMinimumLandHeight / 2;
neighbourCornerHeight1 = kMinimumLandHeight / 2;
}
if (isWater && neighbour.tile_element != nullptr)
{
auto waterHeight = neighbour.tile_element->AsSurface()->GetWaterHeight() / (kCoordsZStep * 2);
if (waterHeight == height && !neighbourIsClippedAway)
{
// Don't draw the edge when the neighbour's water level is the same
return;
}
const int16_t minimumNeighbourCornerHeight = std::min(neighbourCornerHeight1, neighbourCornerHeight2);
neighbourCornerHeight1 = std::max(cornerHeight1, minimumNeighbourCornerHeight);
neighbourCornerHeight2 = std::max(cornerHeight2, minimumNeighbourCornerHeight);
cornerHeight1 = height;
cornerHeight2 = height;
}
if (cornerHeight1 <= neighbourCornerHeight1 && cornerHeight2 <= neighbourCornerHeight2)
{
// The edge is not visible behind the neighbour's slope
return;
}
auto baseImageId = GetEdgeImage(edgeObject, 0);
if (session.ViewFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE)
{
baseImageId = GetEdgeImage(edgeObject, 1);
}
if (edge == EDGE_BOTTOMRIGHT)
{
baseImageId = baseImageId.WithIndexOffset(5);
}
uint8_t curHeight = std::min(neighbourCornerHeight1, neighbourCornerHeight2);
if (neighbourCornerHeight2 != neighbourCornerHeight1)
{
// If bottom part of edge isn't straight, add a filler
uint32_t image_offset = 3;
if (neighbourCornerHeight2 >= neighbourCornerHeight1)
{
image_offset = 4;
}
if (curHeight != cornerHeight1 && curHeight != cornerHeight2)
{
auto imageId = baseImageId.WithIndexOffset(image_offset);
PaintAddImageAsParent(session, imageId, { offset, curHeight * kCoordsZPerTinyZ }, { bounds, 15 });
curHeight++;
}
}
neighbourCornerHeight1 = cornerHeight2;
const auto lowestCornerHeight = std::min(cornerHeight1, cornerHeight2);
const auto& tunnels = edge == EDGE_BOTTOMLEFT ? session.LeftTunnels : session.RightTunnels;
for (auto& tunnel : tunnels)
{
if (curHeight > tunnel.height || tunnel.height >= lowestCornerHeight)
{
continue;
}
const auto tdOriginal = kTunnels[EnumValue(tunnel.type)];
// Draw land edges up to the bottom of the tunnel
while (curHeight < tunnel.height)
{
const auto boundBoxZ = curHeight == tunnel.height - 1 ? tdOriginal.lowerEdgeBoundingBoxZ : kCoordsZPerTinyZ - 1;
PaintAddImageAsParent(session, baseImageId, { offset, curHeight * kCoordsZPerTinyZ }, { bounds, boundBoxZ });
curHeight++;
}
auto tunnelType = tunnel.type;
auto td = tdOriginal;
uint8_t tunnelHeight = td.height;
int16_t zOffset = curHeight;
// When dealing with flat land but a sloped track, we fall back to the non-sloped variant.
if ((zOffset + tunnelHeight) > neighbourCornerHeight1 || (zOffset + tunnelHeight) > cornerHeight1)
{
tunnelType = td.lowClearanceAlternative;
td = kTunnels[EnumValue(tunnelType)];
}
zOffset *= 16;
const int8_t boundBoxLengthBase = (tdOriginal.boundBoxLength + (td.height - tdOriginal.height)) * 16;
int16_t boundBoxOffsetZ = zOffset + tdOriginal.boundBoxZOffset;
int8_t boundBoxLength = boundBoxLengthBase;
if (boundBoxOffsetZ < 16)
{
boundBoxOffsetZ += 16;
boundBoxLength -= 16;
}
auto imageId = GetTunnelImage(edgeObject, tunnelType, edge);
PaintAddImageAsParent(
session, imageId, { offset, zOffset }, { { 0, 0, boundBoxOffsetZ }, { tunnelBounds, boundBoxLength - 1 } });
boundBoxOffsetZ = curHeight * kCoordsZPerTinyZ;
boundBoxLength = boundBoxLengthBase;
boundBoxOffsetZ += tdOriginal.boundBoxZOffset;
if (boundBoxOffsetZ == 0)
{
boundBoxOffsetZ += 16;
boundBoxLength -= 16;
}
imageId = GetTunnelImage(edgeObject, tunnelType, edge).WithIndexOffset(1);
PaintAddImageAsParent(
session, imageId, { offset, curHeight * kCoordsZPerTinyZ },
{ { tunnelTopBoundBoxOffset, boundBoxOffsetZ }, { tunnelBounds, boundBoxLength - 1 } });
curHeight += td.height;
}
// Draw land edges up to the lowest corner
while (curHeight < lowestCornerHeight)
{
PaintAddImageAsParent(session, baseImageId, { offset, curHeight * kCoordsZPerTinyZ }, { bounds, kCoordsZPerTinyZ - 1 });
curHeight++;
}
// Draw filler edges if the top edge is not straight
if (curHeight < cornerHeight1 || curHeight < cornerHeight2)
{
const uint32_t imageOffset = curHeight >= cornerHeight1 ? 2 : 1;
const auto imageId = baseImageId.WithIndexOffset(imageOffset);
PaintAddImageAsParent(session, imageId, { offset, curHeight * kCoordsZPerTinyZ }, { bounds, kCoordsZPerTinyZ - 1 });
}
}
static void ViewportSurfaceDrawTileSideTop(
PaintSession& session, enum edge_t edge, uint16_t height, const TerrainEdgeObject* edgeObject, const TileDescriptor& self,
const TileDescriptor& neighbour, bool isWater)
{
PROFILED_FUNCTION();
// From big Z to tiny Z
height /= kCoordsZPerTinyZ;
int16_t cornerHeight1, neighbourCornerHeight1, cornerHeight2, neighbourCornerHeight2;
CoordsXY offset = { 0, 0 };
CoordsXY bounds = { 0, 0 };
switch (edge)
{
case EDGE_TOPLEFT:
cornerHeight1 = self.corner_heights.top;
cornerHeight2 = self.corner_heights.left;
neighbourCornerHeight1 = neighbour.corner_heights.right;
neighbourCornerHeight2 = neighbour.corner_heights.bottom;
offset.y = -2;
bounds.x = 30;
break;
case EDGE_TOPRIGHT:
cornerHeight1 = self.corner_heights.top;
cornerHeight2 = self.corner_heights.right;
neighbourCornerHeight1 = neighbour.corner_heights.left;
neighbourCornerHeight2 = neighbour.corner_heights.bottom;
offset.x = -2;
bounds.y = 30;
break;
default:
return;
}
// save ecx
if (neighbour.tile_element == nullptr)
{
neighbourCornerHeight1 = 1;
neighbourCornerHeight2 = 1;
}
else
{
if (isWater)
{
auto waterHeight = neighbour.tile_element->AsSurface()->GetWaterHeight() / (kCoordsZStep * 2);
if (height == waterHeight)
{
return;
}
neighbourCornerHeight1 = std::max(cornerHeight1, neighbourCornerHeight1);
neighbourCornerHeight2 = std::max(cornerHeight2, neighbourCornerHeight2);
cornerHeight1 = height;
cornerHeight2 = height;
}
}
if (cornerHeight1 <= neighbourCornerHeight1 && cornerHeight2 <= neighbourCornerHeight2)
{
return;
}
ImageId baseImageId;
if (isWater)
{
baseImageId = GetEdgeImage(edgeObject, 2); // var_08
if (session.ViewFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE)
{
baseImageId = GetEdgeImage(edgeObject, 1); // var_04
}
baseImageId = baseImageId.WithIndexOffset(edge == EDGE_TOPLEFT ? 5 : 0);
offset.x = 0;
offset.y = 0;
}
else
{
if (!(session.ViewFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE))
{
const uint8_t incline = (cornerHeight2 - cornerHeight1) + 1;
const auto imageId = GetEdgeImage(edgeObject, 3).WithIndexOffset((edge == EDGE_TOPLEFT ? 3 : 0) + incline);
const int16_t y = (height - cornerHeight1) * kCoordsZPerTinyZ;
PaintAttachToPreviousPS(session, imageId, 0, y);
return;
}
baseImageId = GetEdgeImage(edgeObject, 1).WithIndexOffset(edge == EDGE_TOPLEFT ? 5 : 0);
}
uint8_t cur_height = std::min(neighbourCornerHeight2, neighbourCornerHeight1);
if (neighbourCornerHeight2 != neighbourCornerHeight1)
{
// neighbour tile corners aren't level
uint32_t image_offset = 3;
if (neighbourCornerHeight2 > neighbourCornerHeight1)
{
image_offset = 4;
}
if (cur_height != cornerHeight1 && cur_height != cornerHeight2)
{
auto imageId = baseImageId.WithIndexOffset(image_offset);
PaintAddImageAsParent(
session, imageId, { offset.x, offset.y, cur_height * kCoordsZPerTinyZ }, { bounds.x, bounds.y, 15 });
cur_height++;
}
}
neighbourCornerHeight1 = cornerHeight2;
while (cur_height < cornerHeight1 && cur_height < neighbourCornerHeight1)
{
PaintAddImageAsParent(session, baseImageId, { offset, cur_height * kCoordsZPerTinyZ }, { bounds, 15 });
cur_height++;
}
uint32_t image_offset = 1;
if (cur_height >= cornerHeight1)
{
image_offset = 2;
if (cur_height >= neighbourCornerHeight1)
{
return;
}
}
auto imageId = baseImageId.WithIndexOffset(image_offset);
PaintAddImageAsParent(session, imageId, { offset, cur_height * kCoordsZPerTinyZ }, { bounds, 15 });
}
static std::pair<int32_t, int32_t> SurfaceGetHeightAboveWater(
const SurfaceElement& surfaceElement, const int32_t height, const int32_t surfaceShape)
{
int32_t localSurfaceShape = surfaceShape;
int32_t localHeight = height;
if (surfaceElement.GetWaterHeight() > 0)
{
int32_t waterHeight = surfaceElement.GetWaterHeight();
if (waterHeight > height)
{
localHeight += kLandHeightStep;
if (waterHeight != localHeight || !(localSurfaceShape & static_cast<int32_t>(kTileSlopeDiagonalFlag)))
{
localHeight = waterHeight;
localSurfaceShape = kTileSlopeFlat;
}
else
{
localSurfaceShape = Numerics::ror4(surfaceShape ^ static_cast<int8_t>(kTileSlopeRaisedCornersMask), 2);
}
}
}
return { localHeight, localSurfaceShape };
}
std::optional<colour_t> GetPatrolAreaTileColour(const CoordsXY& pos)
{
bool selected = gMapSelectFlags & MAP_SELECT_FLAG_ENABLE && gMapSelectType == MAP_SELECT_TYPE_FULL
&& pos.x >= gMapSelectPositionA.x && pos.x <= gMapSelectPositionB.x && pos.y >= gMapSelectPositionA.y
&& pos.y <= gMapSelectPositionB.y;
auto patrolAreaToRender = GetPatrolAreaToRender();
if (const auto* staffType = std::get_if<StaffType>(&patrolAreaToRender))
{
if (IsPatrolAreaSetForStaffType(*staffType, pos))
{
return selected ? COLOUR_WHITE : COLOUR_GREY;
}
}
else
{
auto& staffId = std::get<EntityId>(patrolAreaToRender);
auto* staff = getGameState().entities.GetEntity<Staff>(staffId);
if (staff != nullptr)
{
if (staff->IsPatrolAreaSet(pos))
{
return selected ? COLOUR_ICY_BLUE : COLOUR_LIGHT_BLUE;
}
else if (IsPatrolAreaSetForStaffType(staff->AssignedStaffType, pos))
{
return selected ? COLOUR_WHITE : COLOUR_GREY;
}
}
}
return {};
}
static void PaintPatrolArea(PaintSession& session, const SurfaceElement& element, int32_t height, uint8_t surfaceShape)
{
auto colour = GetPatrolAreaTileColour(session.MapPosition);
if (colour)
{
assert(surfaceShape < std::size(Byte97B444));
auto [localZ, localSurfaceShape] = SurfaceGetHeightAboveWater(element, height, surfaceShape);
auto imageId = ImageId(SPR_TERRAIN_SELECTION_PATROL_AREA + Byte97B444[localSurfaceShape], *colour);
auto* backup = session.LastPS;
PaintAddImageAsParent(session, imageId, { 0, 0, localZ }, { 32, 32, 1 });
session.LastPS = backup;
}
}
static void PaintSurfaceLandOwnership(
PaintSession& session, const SurfaceElement& tileElement, uint16_t height, uint8_t surfaceShape)
{
auto [aboveWaterHeight, aboveWaterSurfaceShape] = SurfaceGetHeightAboveWater(tileElement, height, surfaceShape);
// Loc660E9A:
if (tileElement.GetOwnership() & OWNERSHIP_OWNED)
{
assert(static_cast<size_t>(surfaceShape) < std::size(Byte97B444));
assert(static_cast<size_t>(aboveWaterSurfaceShape) < std::size(Byte97B444));
// Paint outline on top of surface (can be underwater)
PaintAttachToPreviousPS(session, ImageId(SPR_TERRAIN_SELECTION_SQUARE + Byte97B444[surfaceShape]), 0, 0);
const auto tileIsUnderWater = height != aboveWaterHeight || surfaceShape != aboveWaterSurfaceShape;
if (tileIsUnderWater)
{
PaintStruct* backup = session.LastPS;
PaintAddImageAsParent(
session, ImageId(SPR_TERRAIN_SELECTION_SQUARE + Byte97B444[aboveWaterSurfaceShape]), { 0, 0, aboveWaterHeight },
{ 32, 32, 1 });
session.LastPS = backup;
}
}
else if (tileElement.GetOwnership() & OWNERSHIP_AVAILABLE)
{
const auto pos = CoordsXYZ(session.MapPosition.x + 16, session.MapPosition.y + 16, aboveWaterHeight);
const auto height2 = TileElementHeight(pos, aboveWaterSurfaceShape) + ForSaleSignZOffset;
PaintStruct* backup = session.LastPS;
PaintAddImageAsParent(session, ImageId(SPR_LAND_OWNERSHIP_AVAILABLE), { 16, 16, height2 }, { 1, 1, 0 });
session.LastPS = backup;
}
}
static void PaintSurfaceConstructionRights(
PaintSession& session, const SurfaceElement& tileElement, uint16_t height, uint8_t surfaceShape)
{
auto [aboveWaterHeight, aboveWaterSurfaceShape] = SurfaceGetHeightAboveWater(tileElement, height, surfaceShape);
if (tileElement.GetOwnership() & OWNERSHIP_CONSTRUCTION_RIGHTS_OWNED)
{
assert(static_cast<size_t>(surfaceShape) < std::size(Byte97B444));
assert(static_cast<size_t>(aboveWaterSurfaceShape) < std::size(Byte97B444));
// Paint outline on top of surface (can be underwater)
PaintAttachToPreviousPS(session, ImageId(SPR_TERRAIN_SELECTION_DOTTED + Byte97B444[surfaceShape]), 0, 0);
const auto tileIsUnderWater = height != aboveWaterHeight || surfaceShape != aboveWaterSurfaceShape;
if (tileIsUnderWater)
{
PaintStruct* backup = session.LastPS;
PaintAddImageAsParent(
session, ImageId(SPR_TERRAIN_SELECTION_DOTTED + Byte97B444[aboveWaterSurfaceShape]), { 0, 0, aboveWaterHeight },
{ 32, 32, 1 });
session.LastPS = backup;
}
}
else if (tileElement.GetOwnership() & OWNERSHIP_CONSTRUCTION_RIGHTS_AVAILABLE)
{
const auto pos = CoordsXYZ(session.MapPosition.x + 16, session.MapPosition.y + 16, aboveWaterHeight);
const auto height2 = TileElementHeight(pos, aboveWaterSurfaceShape) + ForSaleSignZOffset;
PaintStruct* backup = session.LastPS;
PaintAddImageAsParent(session, ImageId(SPR_LAND_CONSTRUCTION_RIGHTS_AVAILABLE), { 16, 16, height2 }, { 1, 1, 0 });
session.LastPS = backup;
}
}
/**
* rct2: 0x0066062C
*/
void PaintSurface(PaintSession& session, uint8_t direction, uint16_t height, const SurfaceElement& tileElement)
{
PROFILED_FUNCTION();
session.InteractionType = ViewportInteractionItem::Terrain;
session.Flags |= PaintSessionFlags::PassedSurface;
session.Surface = &tileElement;
const auto zoomLevel = session.DPI.zoom_level;
const uint8_t rotation = session.CurrentRotation;
const uint8_t surfaceShape = ViewportSurfacePaintSetupGetRelativeSlope(tileElement, rotation);
const CoordsXY& base = session.SpritePosition;
const CornerHeight& cornerHeights = corner_heights[surfaceShape];
const TileElement* elementPtr = &reinterpret_cast<const TileElement&>(tileElement);
const auto* surfaceObject = tileElement.GetSurfaceObject();
const auto* edgeObject = tileElement.GetEdgeObject();
const auto selfDescriptor = TileDescriptor{
TileCoordsXY(base),
elementPtr,
surfaceObject,
surfaceShape,
{
static_cast<uint8_t>(height / 16 + cornerHeights.top),
static_cast<uint8_t>(height / 16 + cornerHeights.right),
static_cast<uint8_t>(height / 16 + cornerHeights.bottom),
static_cast<uint8_t>(height / 16 + cornerHeights.left),
},
};
TileDescriptor tileDescriptors[4];
for (std::size_t i = 0; i < std::size(viewport_surface_paint_data); i++)
{
const CoordsXY& offset = viewport_surface_paint_data[i][rotation];
const CoordsXY position = base + offset;
TileDescriptor& descriptor = tileDescriptors[i];
descriptor.tile_element = nullptr;
if (!MapIsLocationValid(position))
{
continue;
}
auto surfaceElement = MapGetSurfaceElementAt(position);
if (surfaceElement == nullptr)
{
continue;
}
const uint32_t surfaceSlope = ViewportSurfacePaintSetupGetRelativeSlope(*surfaceElement, rotation);
const uint8_t baseHeight = surfaceElement->GetBaseZ() / 16;
const CornerHeight& ch = corner_heights[surfaceSlope];
descriptor.tile_coords = TileCoordsXY{ position };
descriptor.tile_element = reinterpret_cast<TileElement*>(surfaceElement);
descriptor.surfaceObject = surfaceElement->GetSurfaceObject();
descriptor.slope = surfaceSlope;
descriptor.corner_heights.top = baseHeight + ch.top;
descriptor.corner_heights.right = baseHeight + ch.right;
descriptor.corner_heights.bottom = baseHeight + ch.bottom;
descriptor.corner_heights.left = baseHeight + ch.left;
}
if (PaintShouldShowHeightMarkers(session, VIEWPORT_FLAG_LAND_HEIGHTS))
{
const int16_t x = session.MapPosition.x;
const int16_t y = session.MapPosition.y;
int32_t surfaceHeight = TileElementHeight({ x + 16, y + 16 });
int32_t dx = surfaceHeight + 3;
int32_t image_id = (SPR_HEIGHT_MARKER_BASE + dx / 16);
image_id += GetHeightMarkerOffset();
image_id -= kMapBaseZ;
PaintAddImageAsParent(session, ImageId(image_id, COLOUR_OLIVE_GREEN), { 16, 16, surfaceHeight }, { 1, 1, 0 });
}
bool has_surface = false;
if (session.VerticalTunnelHeight * kCoordsZPerTinyZ == height)
{
// Vertical tunnels
PaintAddImageAsParent(session, ImageId(1575), { 0, 0, height }, { { -2, 1, height - 40 }, { 1, 30, 39 } });
PaintAddImageAsParent(session, ImageId(1576), { 0, 0, height }, { { 1, 31, height }, { 30, 1, 0 } });
PaintAddImageAsParent(session, ImageId(1577), { 0, 0, height }, { { 31, 1, height }, { 1, 30, 0 } });
PaintAddImageAsParent(session, ImageId(1578), { 0, 0, height }, { { 1, -2, height - 40 }, { 30, 1, 39 } });
}
else
{
const bool showGridlines = (session.ViewFlags & VIEWPORT_FLAG_GRIDLINES);
assert(surfaceShape < std::size(Byte97B444));
const uint8_t image_offset = Byte97B444[surfaceShape];
ImageId imageId;
if (isInTrackDesignerOrManager())
{
imageId = ImageId(SPR_TERRAIN_TRACK_DESIGNER);
}
else if (surfaceObject != nullptr)
{
uint8_t grassLength = TerrainSurfaceObject::kNoValue;
if (zoomLevel <= ZoomLevel{ 0 })
{
if ((session.ViewFlags & (VIEWPORT_FLAG_HIDE_BASE | VIEWPORT_FLAG_UNDERGROUND_INSIDE)) == 0)
{
grassLength = tileElement.GetGrassLength() & 0x7;
}
}
imageId = surfaceObject->GetImageId(session.MapPosition, grassLength, rotation, image_offset, showGridlines, false);
}
if (session.ViewFlags & (VIEWPORT_FLAG_UNDERGROUND_INSIDE | VIEWPORT_FLAG_HIDE_BASE))
{
imageId = imageId.WithTransparency(FilterPaletteID::PaletteDarken1);
}
if (session.SelectedElement == elementPtr)
{
imageId = imageId.WithRemap(FilterPaletteID::PaletteGhost);
}
PaintAddImageAsParent(session, imageId, { 0, 0, height }, { 32, 32, -1 });
has_surface = true;
}
PaintPatrolArea(session, tileElement, height, surfaceShape);
auto& gameState = getGameState();
// Draw Peep Spawns
if ((gLegacyScene == LegacyScene::scenarioEditor || gameState.cheats.sandboxMode)
&& session.ViewFlags & VIEWPORT_FLAG_LAND_OWNERSHIP)
{
const CoordsXY& pos = session.MapPosition;
for (auto& spawn : gameState.peepSpawns)
{
if ((spawn.x & 0xFFE0) == pos.x && (spawn.y & 0xFFE0) == pos.y)
{
PaintAddImageAsParent(session, ImageId(SPR_TERRAIN_SELECTION_SQUARE_SIMPLE), { 0, 0, spawn.z }, { 32, 32, 16 });
const int32_t offset = (DirectionReverse(spawn.direction) + rotation) & 3;
const auto image_id = ImageId(PEEP_SPAWN_ARROW_0 + offset, COLOUR_LIGHT_BLUE);
PaintAddImageAsParent(session, image_id, { 0, 0, spawn.z }, { 32, 32, 19 });
}
}
}
if (session.ViewFlags & VIEWPORT_FLAG_LAND_OWNERSHIP)
{
PaintSurfaceLandOwnership(session, tileElement, height, surfaceShape);
}
if (session.ViewFlags & VIEWPORT_FLAG_CONSTRUCTION_RIGHTS && !(tileElement.GetOwnership() & OWNERSHIP_OWNED))
{
PaintSurfaceConstructionRights(session, tileElement, height, surfaceShape);
}
// ebx[0] = esi;
// ebp[4] = ebp;
// ebp[8] = ebx
if (gMapSelectFlags & MAP_SELECT_FLAG_ENABLE)
{
// Loc660FB8:
const CoordsXY& pos = session.MapPosition;
if (pos.x >= gMapSelectPositionA.x && pos.x <= gMapSelectPositionB.x && pos.y >= gMapSelectPositionA.y
&& pos.y <= gMapSelectPositionB.y)
{
const uint16_t mapSelectionType = gMapSelectType;
if (mapSelectionType >= MAP_SELECT_TYPE_EDGE_0)
{
// Walls
// Loc661089:
const auto fpId = static_cast<FilterPaletteID>(
(((mapSelectionType - MAP_SELECT_TYPE_EDGE_0 + 1) + rotation) & 3)
+ static_cast<uint32_t>(FilterPaletteID::PaletteLandMarker0));
const auto image_id = ImageId(SPR_TERRAIN_SELECTION_EDGE + Byte97B444[surfaceShape], fpId);
PaintAttachToPreviousPS(session, image_id, 0, 0);
}
else if (mapSelectionType >= MAP_SELECT_TYPE_QUARTER_0)
{
// Loc661051:(no jump)
// Selection split into four quarter segments
const auto fpId = static_cast<FilterPaletteID>(
(((mapSelectionType - MAP_SELECT_TYPE_QUARTER_0) + rotation) & 3)
+ static_cast<uint32_t>(FilterPaletteID::PaletteQuarterMarker0));
const auto image_id = ImageId(SPR_TERRAIN_SELECTION_QUARTER + Byte97B444[surfaceShape], fpId);
PaintAttachToPreviousPS(session, image_id, 0, 0);
}
else if (mapSelectionType <= MAP_SELECT_TYPE_FULL)
{
// Corners
uint32_t eax = mapSelectionType;
if (mapSelectionType != MAP_SELECT_TYPE_FULL)
{
eax = (mapSelectionType + rotation) & 3;
}
const auto fpId = static_cast<FilterPaletteID>(
eax + static_cast<uint32_t>(FilterPaletteID::PaletteLandMarker0));
const auto image_id = ImageId(SPR_TERRAIN_SELECTION_CORNER + Byte97B444[surfaceShape], fpId);
PaintAttachToPreviousPS(session, image_id, 0, 0);
}
else if (mapSelectionType == MAP_SELECT_TYPE_FULL_LAND_RIGHTS)
{
auto [waterHeight, waterSurfaceShape] = SurfaceGetHeightAboveWater(tileElement, height, surfaceShape);
const auto fpId = FilterPaletteID::PaletteGlassLightPurple;
const auto imageId1 = ImageId(SPR_TERRAIN_SELECTION_CORNER + Byte97B444[surfaceShape], fpId);
PaintAttachToPreviousPS(session, imageId1, 0, 0);
const bool isUnderWater = (surfaceShape != waterSurfaceShape || height != waterHeight);
if (isUnderWater)
{
const auto imageId2 = ImageId(SPR_TERRAIN_SELECTION_CORNER + Byte97B444[waterSurfaceShape], fpId);
PaintStruct* backup = session.LastPS;
PaintAddImageAsParent(session, imageId2, { 0, 0, waterHeight }, { 32, 32, 1 });
session.LastPS = backup;
}
}
else
{
// The water tool should draw its grid _on_ the water, rather than on the surface under water.
auto [local_height, local_surfaceShape] = SurfaceGetHeightAboveWater(tileElement, height, surfaceShape);
const auto fpId = FilterPaletteID::PaletteWaterMarker;
const auto image_id = ImageId(SPR_TERRAIN_SELECTION_CORNER + Byte97B444[local_surfaceShape], fpId);
PaintStruct* backup = session.LastPS;
PaintAddImageAsParent(session, image_id, { 0, 0, local_height }, { 32, 32, 1 });
session.LastPS = backup;
}
}
}
if (gMapSelectFlags & MAP_SELECT_FLAG_ENABLE_CONSTRUCT)
{
const CoordsXY& pos = session.MapPosition;
for (const auto& tile : gMapSelectionTiles)
{
if (tile.x != pos.x || tile.y != pos.y)
{
continue;
}
FilterPaletteID fpId = FilterPaletteID::PaletteSceneryGroundMarker;
if (gMapSelectFlags & MAP_SELECT_FLAG_GREEN)
{
fpId = FilterPaletteID::PaletteRideGroundMarker;
}
const auto image_id = ImageId(SPR_TERRAIN_SELECTION_CORNER + Byte97B444[surfaceShape], fpId);
PaintAttachToPreviousPS(session, image_id, 0, 0);
auto [waterHeight, waterSurfaceShape] = SurfaceGetHeightAboveWater(tileElement, height, surfaceShape);
const bool isUnderWater = (surfaceShape != waterSurfaceShape || height != waterHeight);
if (isUnderWater)
{
const auto imageId2 = ImageId(SPR_TERRAIN_SELECTION_CORNER + Byte97B444[waterSurfaceShape], fpId);
PaintStruct* backup = session.LastPS;
PaintAddImageAsParent(session, imageId2, { 0, 0, waterHeight }, { 32, 32, 0 });
session.LastPS = backup;
}
break;
}
}
if (zoomLevel <= ZoomLevel{ 0 } && has_surface && !(session.ViewFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE)
&& !(session.ViewFlags & VIEWPORT_FLAG_HIDE_BASE) && Config::Get().general.LandscapeSmoothing)
{
ViewportSurfaceSmoothenEdge(session, EDGE_TOPLEFT, selfDescriptor, tileDescriptors[2]);
ViewportSurfaceSmoothenEdge(session, EDGE_TOPRIGHT, selfDescriptor, tileDescriptors[3]);
ViewportSurfaceSmoothenEdge(session, EDGE_BOTTOMLEFT, selfDescriptor, tileDescriptors[0]);
ViewportSurfaceSmoothenEdge(session, EDGE_BOTTOMRIGHT, selfDescriptor, tileDescriptors[1]);
}
if ((session.ViewFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE) && !(session.ViewFlags & VIEWPORT_FLAG_HIDE_BASE)
&& !(isInTrackDesignerOrManager()))
{
const uint8_t image_offset = Byte97B444[surfaceShape];
ImageId imageId;
if (surfaceObject != nullptr)
imageId = surfaceObject->GetImageId(session.MapPosition, 1, rotation, image_offset, false, true);
PaintAttachToPreviousPS(session, imageId, 0, 0);
}
if (!(session.ViewFlags & VIEWPORT_FLAG_HIDE_VERTICAL))
{
ViewportSurfaceDrawTileSideTop(session, EDGE_TOPLEFT, height, edgeObject, selfDescriptor, tileDescriptors[2], false);
ViewportSurfaceDrawTileSideTop(session, EDGE_TOPRIGHT, height, edgeObject, selfDescriptor, tileDescriptors[3], false);
ViewportSurfaceDrawTileSideBottom(
session, EDGE_BOTTOMLEFT, height, edgeObject, selfDescriptor, tileDescriptors[0], false);
ViewportSurfaceDrawTileSideBottom(
session, EDGE_BOTTOMRIGHT, height, edgeObject, selfDescriptor, tileDescriptors[1], false);
}
const uint16_t waterHeight = tileElement.GetWaterHeight();
const bool waterGetsClipped = (session.ViewFlags & VIEWPORT_FLAG_CLIP_VIEW) && (waterHeight > gClipHeight * kCoordsZStep);
const bool waterIsTransparent = Config::Get().general.TransparentWater
|| (session.ViewFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE);
if (waterHeight > 0 && !gTrackDesignSaveMode && !waterGetsClipped)
{
// Loc6615A9: (water height)
session.InteractionType = ViewportInteractionItem::Water;
const uint16_t localHeight = height + 16;
session.WaterHeight = waterHeight;
int32_t image_offset = 0;
if (waterHeight <= localHeight)
{
image_offset = Byte97B740[surfaceShape & 0xF];
}
const auto image_id = ImageId(SPR_WATER_MASK + image_offset, FilterPaletteID::PaletteWater).WithBlended(true);
PaintAddImageAsParent(session, image_id, { 0, 0, waterHeight }, { 32, 32, -1 });
const uint32_t overlayStart = waterIsTransparent ? EnumValue(SPR_WATER_OVERLAY)
: EnumValue(SPR_G2_OPAQUE_WATER_OVERLAY);
PaintAttachToPreviousPS(session, ImageId(overlayStart + image_offset), 0, 0);
if (!(session.ViewFlags & VIEWPORT_FLAG_HIDE_VERTICAL))
{
ViewportSurfaceDrawTileSideBottom(
session, EDGE_BOTTOMLEFT, waterHeight, edgeObject, selfDescriptor, tileDescriptors[0], true);
ViewportSurfaceDrawTileSideBottom(
session, EDGE_BOTTOMRIGHT, waterHeight, edgeObject, selfDescriptor, tileDescriptors[1], true);
ViewportSurfaceDrawTileSideTop(
session, EDGE_TOPLEFT, waterHeight, edgeObject, selfDescriptor, tileDescriptors[2], true);
ViewportSurfaceDrawTileSideTop(
session, EDGE_TOPRIGHT, waterHeight, edgeObject, selfDescriptor, tileDescriptors[3], true);
}
}
if ((tileElement.GetParkFences()) && !gTrackDesignSaveMode)
{
// Owned land boundary fences
session.InteractionType = ViewportInteractionItem::ParkEntrance;
uint8_t rotatedFences = Numerics::rol4(tileElement.GetParkFences(), rotation);
for (const auto& fenceData : _tileSurfaceBoundaries)
{
const int32_t edgeHasFence = rotatedFences & 1;
rotatedFences >>= 1;
if (edgeHasFence == 0)
continue;
int32_t fenceHeight = height;
int32_t image_id = 0;
if (!(surfaceShape & fenceData.bit_1))
{ // first
if (surfaceShape & fenceData.bit_8)
{ // second
image_id = fenceData.image[2];
}
else
{
image_id = fenceData.image[0];
}
}
else if (!(surfaceShape & fenceData.bit_8))
{ // Loc6619A2:
image_id = fenceData.image[1];
}
else
{
fenceHeight += 16;
if (!(surfaceShape & 0x10))
{ // Loc6619B5 (first)
image_id = fenceData.image[0];
}
else if (surfaceShape & fenceData.bit_4)
{ // Loc6619B5 (second)
image_id = fenceData.image[3];
}
else if (surfaceShape & fenceData.bit_2)
{ // Loc6619B5 (third)
image_id = fenceData.image[4];
}
else
{
image_id = fenceData.image[0];
}
}
if (!waterIsTransparent && fenceHeight < waterHeight)
{
continue;
}
PaintAddImageAsParent(
session, ImageId(image_id), { fenceData.offset, fenceHeight },
{ { fenceData.Boundbox.offset, fenceHeight + 1 }, { fenceData.Boundbox.length, 9 } });
}
}
session.InteractionType = ViewportInteractionItem::Terrain;
switch (surfaceShape)
{
default:
// Loc661C2C
// 00
// 00 00
// 00 00 00
// 00 00
// 00
PaintUtilSetSegmentSupportHeight(session, kSegmentsAll, height, 0);
PaintUtilForceSetGeneralSupportHeight(session, height, 0);
break;
case 1:
// Loc661CB9
// 00
// 00 00
// 01 01 01
// 1B 1B
// 1B
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::topLeft, PaintSegment::topRight), height, 0);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::centre, PaintSegment::right), height, 1);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::bottomLeft, PaintSegment::bottomRight), height + 6, 0x1B);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::bottom), height + 6 + 6, 0x1B);
PaintUtilForceSetGeneralSupportHeight(session, height, 1);
break;
case 2:
// Loc661D4E
// 02
// 17 00
// 17 02 00
// 17 00
// 02
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::right, PaintSegment::topRight, PaintSegment::bottomRight), height, 0);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::centre, PaintSegment::bottom), height, 2);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::bottomLeft), height + 6, 0x17);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::left), height + 6 + 6, 0x17);
PaintUtilForceSetGeneralSupportHeight(session, height, 2);
break;
case 3:
// Loc661DE3
// 03
// 03 03
// 03 03 03
// 03 03
// 03
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::topRight, PaintSegment::right), height + 2, 3);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::centre, PaintSegment::bottomRight), height + 2 + 6,
3);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::bottomLeft, PaintSegment::bottom), height + 2 + 6 + 6,
3);
PaintUtilForceSetGeneralSupportHeight(session, height, 3);
break;
case 4:
// Loc661E7C
// 1E
// 1E 1E
// 04 04 04
// 00 00
// 00
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::bottom, PaintSegment::bottomLeft, PaintSegment::bottomRight), height, 0);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::centre, PaintSegment::right), height, 4);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::topRight), height + 6, 0x1E);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::top), height + 6 + 6, 0x1E);
PaintUtilForceSetGeneralSupportHeight(session, height, 4);
break;
case 5:
// Loc661F11
// 1E ▓▓
// 1E 1E ▒▒ ▒▒
// 05 05 05 ░░ ░░ ░░
// 1B 1B ▒▒ ▒▒
// 1B ▓▓
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::top), height + 6 + 6, 0x1E);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::topRight), height + 6, 0x1E);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::centre, PaintSegment::right), height, 5);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::bottomLeft, PaintSegment::bottomRight), height + 6, 0x1B);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::bottom), height + 6 + 6, 0x1B);
PaintUtilForceSetGeneralSupportHeight(session, height, 5);
break;
case 6:
// Loc661FA6
// 06 ▓▓
// 06 06 ▓▓ ▒▒
// 06 06 06 ▓▓ ▒▒ ░░
// 06 06 ▒▒ ░░
// 06 ░░
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::right, PaintSegment::bottomRight, PaintSegment::bottom), height + 2, 6);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::bottomLeft, PaintSegment::centre, PaintSegment::topRight), height + 2 + 6,
6);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::topLeft, PaintSegment::top), height + 2 + 6 + 6, 6);
PaintUtilForceSetGeneralSupportHeight(session, height, 6);
break;
case 7:
// Loc66203F
// 07 ▓▓
// 00 17 ▓▓ ▒▒
// 00 07 17 ▓▓ ▓▓ ░░
// 00 17 ▓▓ ▒▒
// 07 ▓▓
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::right), height + 4, 0x17);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topRight, PaintSegment::bottomRight), height + 4 + 6, 0x17);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::centre, PaintSegment::bottom), height + 4 + 6 + 6, 7);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::bottomLeft, PaintSegment::left), height + 4 + 6 + 6,
0);
PaintUtilForceSetGeneralSupportHeight(session, height, 7);
break;
case 8:
// Loc6620D8
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::topLeft, PaintSegment::bottomLeft), height, 0);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::centre, PaintSegment::bottom), height, 8);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topRight, PaintSegment::bottomRight), height + 6, 0x1D);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::right), height + 6 + 6, 0x1D);
PaintUtilForceSetGeneralSupportHeight(session, height, 8);
break;
case 9:
// Loc66216D
PaintUtilForceSetGeneralSupportHeight(session, height, 9);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::topLeft, PaintSegment::left), height + 2, 9);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::bottomLeft, PaintSegment::centre, PaintSegment::topRight), height + 2 + 6,
9);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::bottom, PaintSegment::bottomRight, PaintSegment::right), height + 2 + 6 + 6,
9);
break;
case 10:
// Loc662206
PaintUtilForceSetGeneralSupportHeight(session, height, 0xA);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::left), height + 6 + 6, 0x17);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::bottomLeft), height + 6, 0x17);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::centre, PaintSegment::bottom), height, 0xA);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topRight, PaintSegment::bottomRight), height + 6, 0x1D);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::right), height + 6 + 6, 0x1D);
break;
case 11:
// Loc66229B
PaintUtilForceSetGeneralSupportHeight(session, height, 0xB);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::top), height + 4, 0x1B);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::topRight), height + 4 + 6, 0x1B);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::centre, PaintSegment::right), height + 4 + 6 + 6, 0xB);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::bottomLeft, PaintSegment::bottomRight, PaintSegment::bottom),
height + 4 + 6 + 6, 0);
break;
case 12:
// Loc662334
PaintUtilForceSetGeneralSupportHeight(session, height, 0xC);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::bottomLeft, PaintSegment::bottom), height + 2, 0xC);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::centre, PaintSegment::bottomRight), height + 2 + 6,
0xC);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::topRight, PaintSegment::right), height + 2 + 6 + 6, 0xC);
break;
case 13:
// Loc6623CD
PaintUtilForceSetGeneralSupportHeight(session, height, 0xD);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::left), height + 4, 0x1D);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::bottomLeft), height + 4 + 6, 0x1D);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::centre, PaintSegment::bottom), height + 4 + 6 + 6, 0xD);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topRight, PaintSegment::bottomRight, PaintSegment::right),
height + 4 + 6 + 6, 0);
break;
case 14:
// Loc662466
PaintUtilForceSetGeneralSupportHeight(session, height, 0xE);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::bottom), height + 4, 0x1E);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::bottomLeft, PaintSegment::bottomRight), height + 4 + 6, 0x1E);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::centre, PaintSegment::right), height + 4 + 6 + 6, 0xE);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::topRight, PaintSegment::top), height + 4 + 6 + 6, 0);
break;
case 23:
// Loc6624FF
PaintUtilForceSetGeneralSupportHeight(session, height, 0x17);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::right), height + 4, 0x17);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topRight, PaintSegment::bottomRight), height + 4 + 6, 0x17);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::centre, PaintSegment::bottom), height + 4 + 6 + 6, 0x17);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::bottomLeft), height + 4 + 6 + 6 + 6, 0x17);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::left), height + 4 + 6 + 6 + 6 + 6, 0x17);
break;
case 27:
// Loc6625A0
PaintUtilForceSetGeneralSupportHeight(session, height, 0x1B);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::top), height + 4, 0x1B);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::topRight), height + 4 + 6, 0x1B);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::centre, PaintSegment::right), height + 4 + 6 + 6, 0x1B);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::bottomLeft, PaintSegment::bottomRight), height + 4 + 6 + 6 + 6, 0x1B);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::bottom), height + 4 + 6 + 6 + 6 + 6, 0x1B);
break;
case 29:
// Loc662641
PaintUtilForceSetGeneralSupportHeight(session, height, 0x1D);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::left), height + 4, 0x1D);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::bottomLeft), height + 4 + 6, 0x1D);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::top, PaintSegment::centre, PaintSegment::bottom), height + 4 + 6 + 6, 0x1D);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topRight, PaintSegment::bottomRight), height + 4 + 6 + 6 + 6, 0x1D);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::right), height + 4 + 6 + 6 + 6 + 6, 0x1D);
break;
case 30:
// Loc6626E2
PaintUtilForceSetGeneralSupportHeight(session, height, 0x1E);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::bottom), height + 4, 0x1E);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::bottomLeft, PaintSegment::bottomRight), height + 4 + 6, 0x1E);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::left, PaintSegment::centre, PaintSegment::right), height + 4 + 6 + 6, 0x1E);
PaintUtilSetSegmentSupportHeight(
session, EnumsToFlags(PaintSegment::topLeft, PaintSegment::topRight), height + 4 + 6 + 6 + 6, 0x1E);
PaintUtilSetSegmentSupportHeight(session, EnumToFlag(PaintSegment::top), height + 4 + 6 + 6 + 6 + 6, 0x1E);
break;
}
}