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OpenRCT2/src/openrct2/paint/tile_element/Surface.cpp
ZehMatt 07bd4f13be Unify some surface drawing functions.
2017-12-13 12:00:45 +01:00

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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 "../../OpenRCT2.h"
#include "../../cheats.h"
#include "../../config/Config.h"
#include "../../core/Math.hpp"
#include "../../core/Util.hpp"
#include "../../interface/viewport.h"
#include "../../peep/Staff.h"
#include "../../sprites.h"
#include "surface.h"
#include "tile_element.h"
static constexpr const uint8 byte_97B444[] =
{
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 const LocationXY16 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
};
typedef struct corner_height corner_height;
struct corner_height
{
uint8 top;
uint8 right;
uint8 bottom;
uint8 left;
};
/**
* rct2: 0x0097B4A4 (R), 0x0097B4C4 (T), 0x0097B4E4 (L), 0x0097B504 (B)
*/
static constexpr const corner_height 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 const uint8 byte_97B524[] = {
2, 5, 1, 4, 2, 5, 1, 2, 2, 4,
1, 2, 1, 3, 0, 3, 1, 5, 0
};
// top left tint
static constexpr const uint32 byte_97B537[] = {
2, 5, 2, 4, 2, 5, 1, 1, 3, 4,
3, 2, 1, 2, 0, 3, 1, 5, 0
};
// top right tint
static constexpr const uint8 byte_97B54A[] = {
2, 2, 2, 4, 0, 0, 1, 1, 3, 4,
3, 5, 1, 2, 2, 3, 1, 5, 0
};
// bottom right tint
static constexpr const uint8 byte_97B55D[] = {
2, 2, 1, 4, 0, 0, 1, 2, 2, 4,
1, 5, 1, 3, 2, 3, 1, 5, 0
};
static constexpr const uint8 stru_97B570[][2] = {
{ 2, 2 },
{ 3, 3 },
{ 3, 5 },
{ 3, 3 },
{ 4, 4 },
{ 4, 6 },
{ 2, 2 },
{ 3, 3 },
{ 3, 5 },
{ 3, 3 },
{ 2, 3 },
{ 2, 3 },
{ 2, 3 },
{ 3, 4 },
{ 2, 3 },
{ 3, 4 }
};
static constexpr const sint16 word_97B590[] = {
0,
0,
-32,
0,
0,
-48,
0,
0,
-32,
0,
-16,
-16,
-16,
-16,
-16,
-16,
};
// tunnel offset
static constexpr const uint8 byte_97B5B0[] = {
0, 0, 0, 3, 3, 3, 6, 6, 6, 6,
10, 11, 12, 13, 14, 14
};
#define DEFINE_EDGE_SPRITES(base) { \
(base) + 0, \
(base) + 20, \
(base) + 10, \
(base) + 30, \
}
#define DEFINE_EDGE_TUNNEL_SPRITES(base) { \
(base) + 36, \
(base) + 40, \
(base) + 44, \
(base) + 48, \
(base) + 52, \
(base) + 56, \
(base) + 60, \
(base) + 64, \
(base) + 68, \
(base) + 72, \
(base) + 76, \
(base) + 80, \
(base) + 36, \
(base) + 48, \
(base) + 60, \
(base) + 72, \
}
static constexpr const uint32 _terrainEdgeSpriteIds[][4] =
{
DEFINE_EDGE_SPRITES(SPR_EDGE_ROCK_BASE),
DEFINE_EDGE_SPRITES(SPR_EDGE_WOOD_RED_BASE),
DEFINE_EDGE_SPRITES(SPR_EDGE_WOOD_BLACK_BASE),
DEFINE_EDGE_SPRITES(SPR_EDGE_ICE_BASE),
};
static constexpr const uint32 _terrainEdgeTunnelSpriteIds[][16] =
{
DEFINE_EDGE_TUNNEL_SPRITES(SPR_EDGE_ROCK_BASE),
DEFINE_EDGE_TUNNEL_SPRITES(SPR_EDGE_WOOD_RED_BASE),
DEFINE_EDGE_TUNNEL_SPRITES(SPR_EDGE_WOOD_BLACK_BASE),
DEFINE_EDGE_TUNNEL_SPRITES(SPR_EDGE_ICE_BASE),
};
static constexpr const uint8 byte_97B740[] =
{
0, 0, 0, 0, 0, 0, 0, 2, 0, 0,
0, 3, 0, 1, 4, 0
};
static constexpr const uint32 dword_97B750[][2] =
{
{ SPR_TERRAIN_GRASS, SPR_TERRAIN_GRASS_GRID },
{ SPR_TERRAIN_SAND_YELLOW, SPR_TERRAIN_SAND_YELLOW_GRID },
{ SPR_TERRAIN_DIRT, SPR_TERRAIN_DIRT_GRID },
{ SPR_TERRAIN_ROCK, SPR_TERRAIN_ROCK_GRID },
{ SPR_TERRAIN_MARTIAN, SPR_TERRAIN_MARTIAN_GRID },
{ SPR_TERRAIN_CHECKERBOARD, SPR_TERRAIN_CHECKERBOARD_GRID },
{ SPR_TERRAIN_GRASS_CLUMPS, SPR_TERRAIN_GRASS_CLUMPS_GRID },
{ SPR_TERRAIN_ICE, SPR_TERRAIN_ICE_GRID },
{ SPR_TERRAIN_GRID | COLOUR_BRIGHT_RED << 19 | IMAGE_TYPE_REMAP, SPR_TERRAIN_GRID_GRID | COLOUR_BRIGHT_RED << 19 | IMAGE_TYPE_REMAP },
{ SPR_TERRAIN_GRID | COLOUR_YELLOW << 19 | IMAGE_TYPE_REMAP, SPR_TERRAIN_GRID_GRID | COLOUR_YELLOW << 19 | IMAGE_TYPE_REMAP },
{ SPR_TERRAIN_GRID | COLOUR_BRIGHT_PURPLE << 19 | IMAGE_TYPE_REMAP, SPR_TERRAIN_GRID_GRID | COLOUR_BRIGHT_PURPLE << 19 | IMAGE_TYPE_REMAP },
{ SPR_TERRAIN_GRID | COLOUR_BRIGHT_GREEN << 19 | IMAGE_TYPE_REMAP, SPR_TERRAIN_GRID_GRID | COLOUR_BRIGHT_GREEN << 19 | IMAGE_TYPE_REMAP },
{ SPR_TERRAIN_SAND_RED, SPR_TERRAIN_SAND_RED_GRID },
{ SPR_TERRAIN_SAND, SPR_TERRAIN_SAND_GRID },
{ SPR_TERRAIN_CHECKERBOARD_INVERTED, SPR_TERRAIN_CHECKERBOARD_INVERTED_GRID },
};
static constexpr const uint32 dword_97B7C8[] =
{
SPR_TERRAIN_GRASS_UNDERGROUND,
SPR_TERRAIN_SAND_YELLOW_UNDERGROUND,
SPR_TERRAIN_DIRT_UNDERGROUND,
SPR_TERRAIN_ROCK_UNDERGROUND,
SPR_TERRAIN_MARTIAN_UNDERGROUND,
SPR_TERRAIN_CHECKERBOARD_UNDERGROUND,
SPR_TERRAIN_GRASS_CLUMPS_UNDERGROUND,
SPR_TERRAIN_ICE_UNDERGROUND,
SPR_TERRAIN_GRID_UNDERGROUND | COLOUR_BRIGHT_RED << 19 | IMAGE_TYPE_REMAP,
SPR_TERRAIN_GRID_UNDERGROUND | COLOUR_YELLOW << 19 | IMAGE_TYPE_REMAP,
SPR_TERRAIN_GRID_UNDERGROUND | COLOUR_BRIGHT_PURPLE << 19 | IMAGE_TYPE_REMAP,
SPR_TERRAIN_GRID_UNDERGROUND | COLOUR_BRIGHT_GREEN << 19 | IMAGE_TYPE_REMAP,
SPR_TERRAIN_SAND_RED_UNDERGROUND,
SPR_TERRAIN_SAND_UNDERGROUND,
SPR_TERRAIN_CHECKERBOARD_INVERTED_UNDERGROUND,
};
static constexpr const uint32 dword_97B804[] =
{
SPR_TERRAIN_PATTERN_GRASS,
SPR_TERRAIN_PATTERN_SAND_YELLOW,
SPR_TERRAIN_PATTERN_DIRT,
SPR_TERRAIN_PATTERN_ROCK,
SPR_TERRAIN_PATTERN_MARTIAN,
SPR_TERRAIN_PATTERN_GRASS,
SPR_TERRAIN_PATTERN_GRASS_CLUMPS,
SPR_TERRAIN_PATTERN_ICE,
SPR_TERRAIN_PATTERN_GRASS,
SPR_TERRAIN_PATTERN_GRASS,
SPR_TERRAIN_PATTERN_GRASS,
SPR_TERRAIN_PATTERN_GRASS,
SPR_TERRAIN_PATTERN_SAND_RED,
SPR_TERRAIN_PATTERN_SAND
};
enum
{
FLAG_DONT_SMOOTHEN = (1 << 0),
FLAG_DONT_SMOOTHEN_SELF = (1 << 1),
};
static constexpr const uint8 byte_97B83C[] =
{
0,
0,
0,
FLAG_DONT_SMOOTHEN_SELF,
FLAG_DONT_SMOOTHEN_SELF,
FLAG_DONT_SMOOTHEN_SELF | FLAG_DONT_SMOOTHEN,
0,
0,
FLAG_DONT_SMOOTHEN_SELF | FLAG_DONT_SMOOTHEN,
FLAG_DONT_SMOOTHEN_SELF | FLAG_DONT_SMOOTHEN,
FLAG_DONT_SMOOTHEN_SELF | FLAG_DONT_SMOOTHEN,
FLAG_DONT_SMOOTHEN_SELF | FLAG_DONT_SMOOTHEN,
0,
0
};
static constexpr const uint8 byte_97B84A[] =
{
0, 1, 2, 3, 4, 14, 6, 7, 8, 9,
10, 11, 12, 13
};
static constexpr const uint32 dword_97B858[][2] =
{
{ SPR_TERRAIN_GRASS_LENGTH_4_VARIANT_1, SPR_TERRAIN_GRASS_LENGTH_4_VARIANT_1_GRID },
{ SPR_TERRAIN_GRASS_LENGTH_4_VARIANT_2, SPR_TERRAIN_GRASS_LENGTH_4_VARIANT_2_GRID },
{ SPR_TERRAIN_GRASS_LENGTH_4_VARIANT_3, SPR_TERRAIN_GRASS_LENGTH_4_VARIANT_3_GRID },
{ SPR_TERRAIN_GRASS_LENGTH_4_VARIANT_4, SPR_TERRAIN_GRASS_LENGTH_4_VARIANT_4_GRID },
};
static constexpr const uint32 dword_97B878[][2] =
{
{ SPR_TERRAIN_GRASS_LENGTH_6_VARIANT_1, SPR_TERRAIN_GRASS_LENGTH_6_VARIANT_1_GRID },
{ SPR_TERRAIN_GRASS_LENGTH_6_VARIANT_2, SPR_TERRAIN_GRASS_LENGTH_6_VARIANT_2_GRID },
{ SPR_TERRAIN_GRASS_LENGTH_6_VARIANT_3, SPR_TERRAIN_GRASS_LENGTH_6_VARIANT_3_GRID },
{ SPR_TERRAIN_GRASS_LENGTH_6_VARIANT_4, SPR_TERRAIN_GRASS_LENGTH_6_VARIANT_4_GRID },
};
static constexpr const uint32 dword_97B898[][2] =
{
{ SPR_TERRAIN_GRASS_MOWED_90, SPR_TERRAIN_GRASS_MOWED_90_GRID },
{ SPR_TERRAIN_GRASS_MOWED, SPR_TERRAIN_GRASS_MOWED_GRID },
{ SPR_TERRAIN_GRASS_MOWED_90, SPR_TERRAIN_GRASS_MOWED_90_GRID },
{ SPR_TERRAIN_GRASS_MOWED, SPR_TERRAIN_GRASS_MOWED_GRID }
};
typedef struct tile_descriptor tile_descriptor;
struct tile_descriptor
{
rct_tile_element * tile_element;
uint8 terrain;
uint8 slope;
corner_height corner_heights;
};
struct tile_surface_boundary_data
{
sint32 bit_1;
sint32 bit_8;
sint32 bit_4;
sint32 bit_2;
uint32 image[5];
LocationXY8 offset;
LocationXY16 box_offset;
LocationXY16 box_size;
};
static constexpr const tile_surface_boundary_data _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_3,
SPR_TERRAIN_BOUNDARY_FENCES_5,
},
{ 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_3,
SPR_TERRAIN_BOUNDARY_FENCES_5,
},
{ 1, 1 },
{ 1, 1 },
{ 1, 30 }
},
};
static uint8 viewport_surface_paint_setup_get_relative_slope(rct_tile_element * tileElement, sint32 rotation)
{
const uint8 slope = tileElement->properties.surface.slope;
const uint8 slopeHeight = slope & TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT;
uint16 slopeCorners = (slope & TILE_ELEMENT_SLOPE_ALL_CORNERS_UP) << rotation;
slopeCorners = ((slopeCorners >> 4) | slopeCorners) & 0x0F;
return slopeHeight | slopeCorners;
}
/**
* rct2: 0x0065E890, 0x0065E946, 0x0065E9FC, 0x0065EAB2
*/
static void viewport_surface_smoothen_edge(paint_session * session, enum edge_t edge, struct tile_descriptor self, struct tile_descriptor neighbour)
{
if (neighbour.tile_element == NULL)
return;
uint32 maskImageBase = 0;
uint8 neighbourCorners[2] = { 0 };
uint8 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 dh = 0, cl = 0;
switch (edge)
{
case EDGE_BOTTOMLEFT:
dh = byte_97B524[byte_97B444[self.slope]];
cl = byte_97B54A[byte_97B444[neighbour.slope]];
break;
case EDGE_TOPLEFT:
dh = byte_97B537[byte_97B444[self.slope]];
cl = byte_97B55D[byte_97B444[neighbour.slope]];
break;
case EDGE_BOTTOMRIGHT:
dh = byte_97B55D[byte_97B444[self.slope]];
cl = byte_97B537[byte_97B444[neighbour.slope]];
break;
case EDGE_TOPRIGHT:
dh = byte_97B54A[byte_97B444[self.slope]];
cl = byte_97B524[byte_97B444[neighbour.slope]];
break;
}
if (self.terrain == neighbour.terrain)
{
// same tint
if (cl == dh)
return;
if (byte_97B83C[self.terrain] & FLAG_DONT_SMOOTHEN_SELF)
return;
}
else
{
if (byte_97B83C[self.terrain] & FLAG_DONT_SMOOTHEN)
return;
if (byte_97B83C[neighbour.terrain] & FLAG_DONT_SMOOTHEN)
return;
}
const uint32 image_id = maskImageBase + byte_97B444[self.slope];
if (paint_attach_to_previous_ps(session, image_id, 0, 0))
{
attached_paint_struct * out = session->UnkF1AD2C;
// set content and enable masking
out->colour_image_id = dword_97B804[neighbour.terrain] + cl;
out->flags |= PAINT_STRUCT_FLAG_IS_MASKED;
}
}
static void viewport_surface_draw_tile_side_bottom(paint_session * session, enum edge_t edge, uint8 height, uint8 edgeStyle, struct tile_descriptor self, struct tile_descriptor neighbour, bool isWater)
{
registers regs{};
LocationXY8 offset = { 0, 0 };
LocationXY8 bounds = { 0, 0 };
LocationXY16 tunnelBounds = { 1, 1 };
LocationXY16 tunnelTopBoundBoxOffset = { 0, 0 };
tunnel_entry * tunnelArray;
switch (edge)
{
case EDGE_BOTTOMLEFT:
regs.al = self.corner_heights.left;
regs.cl = self.corner_heights.bottom;
regs.ah = neighbour.corner_heights.top;
regs.ch = neighbour.corner_heights.right;
offset.x = 30;
bounds.y = 30;
tunnelBounds.x = 32;
tunnelTopBoundBoxOffset.y = 31;
tunnelArray = session->LeftTunnels;
break;
case EDGE_BOTTOMRIGHT:
regs.al = self.corner_heights.right;
regs.cl = self.corner_heights.bottom;
regs.ah = neighbour.corner_heights.top;
regs.ch = neighbour.corner_heights.left;
offset.y = 30;
bounds.x = 30;
tunnelBounds.y = 32;
tunnelTopBoundBoxOffset.x = 31;
tunnelArray = session->RightTunnels;
break;
default:
return;
}
if (isWater)
regs.dl = height;
if (neighbour.tile_element == 0)
{
regs.ch = 1;
regs.ah = 1;
}
else
{
if (isWater)
{
regs.dh = map_get_water_height(neighbour.tile_element);
if (regs.dl == regs.dh)
{
return;
}
regs.al = regs.dl;
regs.cl = regs.dl;
}
}
if (regs.al <= regs.ah && regs.cl <= regs.ch)
{
return;
}
uint32 base_image_id = _terrainEdgeSpriteIds[edgeStyle][0];
if (gCurrentViewportFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE)
{
base_image_id = _terrainEdgeSpriteIds[edgeStyle][1];
}
if (edge == EDGE_BOTTOMRIGHT)
{
base_image_id += 5;
}
const uint8 rotation = get_current_rotation();
uint8 curHeight = Math::Min(regs.ah, regs.ch);
if (regs.ch != regs.ah)
{
// If bottom part of edge isn't straight, add a filler
uint32 image_offset = 3;
if (regs.ch >= regs.ah)
{
image_offset = 4;
}
if (curHeight != regs.al && curHeight != regs.cl)
{
uint32 image_id = base_image_id + image_offset;
sub_98196C(session, image_id, offset.x, offset.y, bounds.x, bounds.y, 15, curHeight * 16, rotation);
curHeight++;
}
}
regs.ah = regs.cl;
while (true)
{
if (curHeight >= regs.al || curHeight >= regs.cl)
{
// If top of edge isn't straight, add a filler
uint32 image_offset = 1;
if (curHeight >= regs.al)
{
image_offset = 2;
if (curHeight >= regs.cl)
{
return;
}
}
const uint32 image_id = base_image_id + image_offset;
sub_98196C(session, image_id, offset.x, offset.y, bounds.x, bounds.y, 15, curHeight * 16, rotation);
return;
}
if (curHeight != tunnelArray[0].height)
{
// Normal walls
while (curHeight > tunnelArray[0].height)
{
// TODO: Should probably be done by just keeping track of the current index
memmove(&tunnelArray[0], &tunnelArray[1], sizeof(tunnel_entry) * (TUNNEL_MAX_COUNT - 1));
}
if (isWater == true || curHeight != tunnelArray[0].height)
{
sub_98196C(session, base_image_id, offset.x, offset.y, bounds.x, bounds.y, 15, curHeight * 16, rotation);
curHeight++;
continue;
}
}
// Tunnels
uint8 tunnelType = tunnelArray[0].type;
uint8 tunnelHeight = stru_97B570[tunnelType][0];
sint16 zOffset = curHeight;
if ((zOffset + tunnelHeight) > regs.ah || (zOffset + tunnelHeight) > regs.al)
{
tunnelType = byte_97B5B0[tunnelType];
}
zOffset *= 16;
sint16 boundBoxOffsetZ = zOffset + word_97B590[tunnelType];
sint8 boundBoxLength = stru_97B570[tunnelType][1] * 16;
if (boundBoxOffsetZ < 16)
{
boundBoxOffsetZ += 16;
boundBoxLength -= 16;
}
uint32 image_id = _terrainEdgeTunnelSpriteIds[edgeStyle][tunnelType] + (edge == EDGE_BOTTOMRIGHT ? 2 : 0);
sub_98197C(session, image_id, offset.x, offset.y, tunnelBounds.x, tunnelBounds.y, boundBoxLength - 1, zOffset, 0, 0, boundBoxOffsetZ, rotation);
boundBoxOffsetZ = curHeight * 16;
boundBoxLength = stru_97B570[tunnelType][1] * 16;
boundBoxOffsetZ += word_97B590[tunnelType];
if (boundBoxOffsetZ == 0)
{
boundBoxOffsetZ += 16;
boundBoxLength -= 16;
}
image_id = _terrainEdgeTunnelSpriteIds[edgeStyle][tunnelType] + (edge == EDGE_BOTTOMRIGHT ? 2 : 0) + 1;
sub_98197C(session, image_id, offset.x, offset.y, tunnelBounds.x, tunnelBounds.y, boundBoxLength - 1, curHeight * 16, tunnelTopBoundBoxOffset.x, tunnelTopBoundBoxOffset.y, boundBoxOffsetZ, rotation);
curHeight += stru_97B570[tunnelType][0];
// TODO: Should probably be done by just keeping track of the current index
memmove(&tunnelArray[0], &tunnelArray[1], sizeof(tunnel_entry) * (TUNNEL_MAX_COUNT - 1));
}
}
/**
* rct2: 0x0065EB7D, 0x0065F0D8
*/
static void viewport_surface_draw_land_side_bottom(paint_session * session, enum edge_t edge, uint8 height, uint8 edgeStyle, struct tile_descriptor self, struct tile_descriptor neighbour)
{
viewport_surface_draw_tile_side_bottom(session, edge, height, edgeStyle, self, neighbour, false);
}
/**
* rct2: 0x0065F8B9, 0x0065FE26
*/
static void viewport_surface_draw_water_side_bottom(paint_session * session, enum edge_t edge, uint8 height, uint8 edgeStyle, struct tile_descriptor self, struct tile_descriptor neighbour)
{
viewport_surface_draw_tile_side_bottom(session, edge, height, edgeStyle, self, neighbour, true);
}
static void viewport_surface_draw_tile_side_top(paint_session * session, enum edge_t edge, uint8 height, uint8 terrain, struct tile_descriptor self, struct tile_descriptor neighbour, bool isWater)
{
registers regs{};
LocationXY8 offset = { 0, 0 };
LocationXY8 bounds = { 0, 0 };
switch (edge)
{
case EDGE_TOPLEFT:
regs.al = self.corner_heights.top;
regs.cl = self.corner_heights.left;
regs.ah = neighbour.corner_heights.right;
regs.ch = neighbour.corner_heights.bottom;
offset.y = -2;
bounds.x = 30;
break;
case EDGE_TOPRIGHT:
regs.al = self.corner_heights.top;
regs.cl = self.corner_heights.right;
regs.ah = neighbour.corner_heights.left;
regs.ch = neighbour.corner_heights.bottom;
offset.x = -2;
bounds.y = 30;
break;
default:
return;
}
if(isWater == false)
regs.dl = height;
// save ecx
if (neighbour.tile_element == NULL)
{
regs.ah = 1;
regs.ch = 1;
}
else
{
if (isWater)
{
regs.dh = map_get_water_height(neighbour.tile_element);
if (regs.dl == regs.dh)
{
return;
}
regs.al = regs.dl;
regs.cl = regs.dl;
}
}
// al + cl probably are self tile corners, while ah/ch are neighbour tile corners
if (regs.al <= regs.ah && regs.cl <= regs.ch)
{
return;
}
uint32 base_image_id;
if (isWater)
{
base_image_id = _terrainEdgeSpriteIds[terrain][2]; // var_08
if (gCurrentViewportFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE)
{
base_image_id = _terrainEdgeSpriteIds[terrain][1]; // var_04
}
base_image_id += (edge == EDGE_TOPLEFT ? 5 : 0);
}
else
{
if (!(gCurrentViewportFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE))
{
const uint8 incline = (regs.cl - regs.al) + 1;
const uint32 image_id = _terrainEdgeSpriteIds[terrain][3] + (edge == EDGE_TOPLEFT ? 3 : 0) + incline; // var_c;
const sint16 y = (regs.dl - regs.al) * 16;
paint_attach_to_previous_ps(session, image_id, 0, y);
return;
}
base_image_id = _terrainEdgeSpriteIds[terrain][1] + (edge == EDGE_TOPLEFT ? 5 : 0); // var_04
}
const uint8 rotation = get_current_rotation();
uint8 cur_height = Math::Min(regs.ch, regs.ah);
if (regs.ch != regs.ah)
{
// neighbour tile corners aren't level
uint32 image_offset = 3;
if (regs.ch > regs.ah)
{
image_offset = 4;
}
if (cur_height != regs.al && cur_height != regs.cl)
{
uint32 image_id = base_image_id + image_offset;
sub_98196C(session, image_id, offset.x, offset.y, bounds.x, bounds.y, 15, cur_height * 16, rotation);
cur_height++;
}
}
regs.ah = regs.cl;
if (isWater)
{
offset.xy = 0;
}
while (cur_height < regs.al && cur_height < regs.ah)
{
sub_98196C(session, base_image_id, offset.x, offset.y, bounds.x, bounds.y, 15, cur_height * 16, rotation);
cur_height++;
}
uint32 image_offset = 1;
if (cur_height >= regs.al)
{
image_offset = 2;
if (cur_height >= regs.ah)
{
return;
}
}
const uint32 image_id = base_image_id + image_offset;
sub_98196C(session, image_id, offset.x, offset.y, bounds.x, bounds.y, 15, cur_height * 16, rotation);
}
/**
* rct2: 0x0065F63B, 0x0065F77D
*/
static void viewport_surface_draw_land_side_top(paint_session * session, enum edge_t edge, uint8 height, uint8 terrain, struct tile_descriptor self, struct tile_descriptor neighbour)
{
viewport_surface_draw_tile_side_top(session, edge, height, terrain, self, neighbour, false);
}
/**
* rct2: 0x0066039B, 0x006604F1
*/
static void viewport_surface_draw_water_side_top(paint_session * session, enum edge_t edge, uint8 height, uint8 terrain, struct tile_descriptor self, struct tile_descriptor neighbour)
{
viewport_surface_draw_tile_side_top(session, edge, height, terrain, self, neighbour, true);
}
/**
* rct2: 0x0066062C
*
* @param direction (cl)
* @param height (dx)
* @param tile_element (esi)
*/
void surface_paint(paint_session * session, uint8 direction, uint16 height, rct_tile_element * tileElement)
{
rct_drawpixelinfo * dpi = session->Unk140E9A8;
session->InteractionType = VIEWPORT_INTERACTION_ITEM_TERRAIN;
session->DidPassSurface = true;
session->SurfaceElement = tileElement;
uint16 zoomLevel = dpi->zoom_level;
const uint8 rotation = get_current_rotation();
uint32 terrain_type = tile_element_get_terrain(tileElement);
uint8 surfaceShape = viewport_surface_paint_setup_get_relative_slope(tileElement, rotation);
const LocationXY16& base = session->SpritePosition;
corner_height ch = corner_heights[surfaceShape];
tile_descriptor selfDescriptor =
{
tileElement,
(uint8)terrain_type,
surfaceShape,
{
(uint8)(height / 16 + ch.top),
(uint8)(height / 16 + ch.right),
(uint8)(height / 16 + ch.bottom),
(uint8)(height / 16 + ch.left),
}
};
tile_descriptor tileDescriptors[5];
tileDescriptors[0] = selfDescriptor;
for (sint32 i = 0; i < 4; i++)
{
LocationXY16 offset = viewport_surface_paint_data[i][rotation];
LocationXY16 position =
{
(sint16)(base.x + offset.x),
(sint16)(base.y + offset.y)
};
tileDescriptors[i + 1].tile_element = NULL;
if (position.x > 0x2000 || position.y > 0x2000)
{
continue;
}
rct_tile_element * surfaceElement = map_get_surface_element_at(position.x / 32, position.y / 32);
if (surfaceElement == NULL)
{
continue;
}
tileDescriptors[i + 1].tile_element = surfaceElement;
tileDescriptors[i + 1].terrain = tile_element_get_terrain(surfaceElement);
uint32 ebx = viewport_surface_paint_setup_get_relative_slope(surfaceElement, rotation);
tileDescriptors[i + 1].slope = ebx;
uint8 baseHeight = surfaceElement->base_height / 2;
ch = corner_heights[ebx];
tileDescriptors[i + 1].corner_heights.top = baseHeight + ch.top;
tileDescriptors[i + 1].corner_heights.right = baseHeight + ch.right;
tileDescriptors[i + 1].corner_heights.bottom = baseHeight + ch.bottom;
tileDescriptors[i + 1].corner_heights.left = baseHeight + ch.left;
}
if ((gCurrentViewportFlags & VIEWPORT_FLAG_LAND_HEIGHTS) && (zoomLevel == 0))
{
sint16 x = session->MapPosition.x, y = session->MapPosition.y;
sint32 dx = tile_element_height(x + 16, y + 16) & 0xFFFF;
dx += 3;
sint32 image_id = (SPR_HEIGHT_MARKER_BASE + dx / 16) | 0x20780000;
image_id += get_height_marker_offset();
image_id -= gMapBaseZ;
sub_98196C(session, image_id, 16, 16, 1, 1, 0, height, rotation);
}
bool has_surface = false;
if (session->VerticalTunnelHeight * 16 == height)
{
// Vertical tunnels
sub_98197C(session, 1575, 0, 0, 1, 30, 39, height, -2, 1, height - 40, rotation);
sub_98197C(session, 1576, 0, 0, 30, 1, 0, height, 1, 31, height, rotation);
sub_98197C(session, 1577, 0, 0, 1, 30, 0, height, 31, 1, height, rotation);
sub_98197C(session, 1578, 0, 0, 30, 1, 39, height, 1, -2, height - 40, rotation);
}
else
{
bool showGridlines = (gCurrentViewportFlags & VIEWPORT_FLAG_GRIDLINES);
sint32 branch = -1;
if ((tileElement->properties.surface.terrain & 0xE0) == 0)
{
if (tile_element_get_direction(tileElement) == 0)
{
if (zoomLevel == 0)
{
if ((gCurrentViewportFlags & (VIEWPORT_FLAG_HIDE_BASE | VIEWPORT_FLAG_UNDERGROUND_INSIDE)) == 0)
{
branch = tileElement->properties.surface.grass_length & 0x7;
}
}
}
}
assert(surfaceShape < Util::CountOf(byte_97B444));
uint8 image_offset = byte_97B444[surfaceShape];
sint32 image_id;
uint32 ebp = terrain_type;
switch (branch)
{
case 0:
// loc_660C90
image_id = dword_97B898[rotation][showGridlines ? 1 : 0] + image_offset;
break;
case 1:
case 2:
case 3:
default:
// loc_660C9F
if (rotation & 1)
{
assert(ebp < Util::CountOf(byte_97B84A));
ebp = byte_97B84A[ebp];
}
assert(ebp < Util::CountOf(dword_97B750));
image_id = dword_97B750[ebp][showGridlines ? 1 : 0] + image_offset;
if (gScreenFlags & (SCREEN_FLAGS_TRACK_DESIGNER | SCREEN_FLAGS_TRACK_MANAGER))
{
image_id = SPR_TERRAIN_TRACK_DESIGNER;
}
if (gCurrentViewportFlags & (VIEWPORT_FLAG_UNDERGROUND_INSIDE | VIEWPORT_FLAG_HIDE_BASE))
{
image_id &= 0xDC07FFFF; // remove colour
image_id |= 0x41880000;
}
break;
case 4:
case 5:
// loc_660C44
case 6:
// loc_660C6A
{
sint16 x = session->MapPosition.x & 0x20;
sint16 y = session->MapPosition.y & 0x20;
sint32 index = (y | (x << 1)) >> 5;
if (branch == 6)
{
image_id = dword_97B878[index][showGridlines ? 1 : 0] + image_offset;
}
else
{
image_id = dword_97B858[index][showGridlines ? 1 : 0] + image_offset;
}
break;
}
}
sub_98196C(session, image_id, 0, 0, 32, 32, -1, height, rotation);
has_surface = true;
}
// Draw Staff Patrol Areas
// loc_660D02
if (gStaffDrawPatrolAreas != SPRITE_INDEX_NULL)
{
sint32 staffIndex = gStaffDrawPatrolAreas;
bool is_staff_list = staffIndex & 0x8000;
uint8 staffType = staffIndex & 0x7FFF;
sint16 x = session->MapPosition.x, y = session->MapPosition.y;
uint32 image_id = IMAGE_TYPE_REMAP;
uint8 patrolColour = COLOUR_LIGHT_BLUE;
if (!is_staff_list)
{
rct_peep * staff = GET_PEEP(staffIndex);
if (!staff_is_patrol_area_set(staff->staff_id, x, y))
{
patrolColour = COLOUR_GREY;
}
staffType = staff->staff_type;
}
if (staff_is_patrol_area_set(200 + staffType, x, y))
{
assert(surfaceShape < Util::CountOf(byte_97B444));
image_id |= SPR_TERRAIN_SELECTION_PATROL_AREA + byte_97B444[surfaceShape];
image_id |= patrolColour << 19;
paint_attach_to_previous_ps(session, image_id, 0, 0);
}
}
// Draw Peep Spawns
if (((gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) || gCheatsSandboxMode) &&
gCurrentViewportFlags & VIEWPORT_FLAG_LAND_OWNERSHIP)
{
LocationXY16 pos = session->MapPosition;
for (sint32 i = 0; i < MAX_PEEP_SPAWNS; ++i)
{
rct2_peep_spawn * spawn = &gPeepSpawns[i];
if ((spawn->x & 0xFFE0) == pos.x && (spawn->y & 0xFFE0) == pos.y)
{
sub_98196C(session, SPR_TERRAIN_SELECTION_SQUARE_SIMPLE, 0, 0, 32, 32, 16, spawn->z * 16, rotation);
sint32 offset = ((spawn->direction ^ 2) + rotation) & 3;
uint32 image_id = (PEEP_SPAWN_ARROW_0 + offset) | 0x20380000;
sub_98196C(session, image_id, 0, 0, 32, 32, 19, spawn->z * 16, rotation);
}
}
}
if (gCurrentViewportFlags & VIEWPORT_FLAG_LAND_OWNERSHIP)
{
// loc_660E9A:
if (tileElement->properties.surface.ownership & OWNERSHIP_OWNED)
{
assert(surfaceShape < Util::CountOf(byte_97B444));
paint_attach_to_previous_ps(session, SPR_TERRAIN_SELECTION_SQUARE + byte_97B444[surfaceShape], 0, 0);
}
else if (tileElement->properties.surface.ownership & OWNERSHIP_AVAILABLE)
{
LocationXY16 pos = session->MapPosition;
paint_struct * backup = session->UnkF1AD28;
sint32 height2 = (tile_element_height(pos.x + 16, pos.y + 16) & 0xFFFF) + 3;
sub_98196C(session, SPR_LAND_OWNERSHIP_AVAILABLE, 16, 16, 1, 1, 0, height2, rotation);
session->UnkF1AD28 = backup;
}
}
if (gCurrentViewportFlags & VIEWPORT_FLAG_CONSTRUCTION_RIGHTS &&
!(tileElement->properties.surface.ownership & OWNERSHIP_OWNED))
{
if (tileElement->properties.surface.ownership & OWNERSHIP_CONSTRUCTION_RIGHTS_OWNED)
{
assert(surfaceShape < Util::CountOf(byte_97B444));
paint_attach_to_previous_ps(session, SPR_TERRAIN_SELECTION_DOTTED + byte_97B444[surfaceShape], 0, 0);
}
else if (tileElement->properties.surface.ownership & OWNERSHIP_CONSTRUCTION_RIGHTS_AVAILABLE)
{
paint_struct * backup = session->UnkF1AD28;
LocationXY16 pos = session->MapPosition;
sint32 height2 = tile_element_height(pos.x + 16, pos.y + 16) & 0xFFFF;
sub_98196C(session, SPR_LAND_CONSTRUCTION_RIGHTS_AVAILABLE, 16, 16, 1, 1, 0, height2 + 3, rotation);
session->UnkF1AD28 = backup;
}
}
// ebx[0] = esi;
// ebp[4] = ebp;
// ebp[8] = ebx
if (gMapSelectFlags & MAP_SELECT_FLAG_ENABLE)
{
// loc_660FB8:
LocationXY16 pos = session->MapPosition;
if (pos.x >= gMapSelectPositionA.x &&
pos.x <= gMapSelectPositionB.x &&
pos.y >= gMapSelectPositionA.y &&
pos.y <= gMapSelectPositionB.y)
{
uint16 mapSelectionType = gMapSelectType;
if (mapSelectionType >= MAP_SELECT_TYPE_EDGE_0)
{
// Walls
// loc_661089:
uint32 eax = ((((mapSelectionType - 9) + rotation) & 3) + 0x21) << 19;
uint32 image_id = (SPR_TERRAIN_SELECTION_EDGE + byte_97B444[surfaceShape]) | eax | IMAGE_TYPE_REMAP;
paint_attach_to_previous_ps(session, image_id, 0, 0);
}
else if (mapSelectionType >= MAP_SELECT_TYPE_QUARTER_0)
{
// loc_661051:(no jump)
// Selection split into four quarter segments
uint32 eax = ((((mapSelectionType - MAP_SELECT_TYPE_QUARTER_0) + rotation) & 3) + 0x27) << 19;
uint32 image_id = (SPR_TERRAIN_SELECTION_QUARTER + byte_97B444[surfaceShape]) | eax | IMAGE_TYPE_REMAP;
paint_attach_to_previous_ps(session, image_id, 0, 0);
}
else if (mapSelectionType <= MAP_SELECT_TYPE_FULL)
{
// Corners
uint32 eax = mapSelectionType;
if (mapSelectionType != MAP_SELECT_TYPE_FULL)
{
eax = (mapSelectionType + rotation) & 3;
}
eax = (eax + 0x21) << 19;
uint32 image_id = (SPR_TERRAIN_SELECTION_CORNER + byte_97B444[surfaceShape]) | eax | IMAGE_TYPE_REMAP;
paint_attach_to_previous_ps(session, image_id, 0, 0);
}
else
{
sint32 local_surfaceShape = surfaceShape;
sint32 local_height = height;
// Water tool
if (map_get_water_height(tileElement) > 0)
{
sint32 waterHeight = map_get_water_height(tileElement) * 16;
if (waterHeight > height)
{
local_height += 16;
if (waterHeight != local_height
|| !(local_surfaceShape & 0x10))
{
local_height = waterHeight;
local_surfaceShape = 0;
}
else
{
registers regs = { 0 };
regs.bl = (surfaceShape ^ 0xF) << 2;
regs.bh = regs.bl >> 4;
local_surfaceShape = (regs.bh & 0x3) | (regs.bl & 0xC);
}
}
}
sint32 image_id = (SPR_TERRAIN_SELECTION_CORNER + byte_97B444[local_surfaceShape]) | 0x21300000;
paint_struct * backup = session->UnkF1AD28;
sub_98196C(session, image_id, 0, 0, 32, 32, 1, local_height, rotation);
session->UnkF1AD28 = backup;
}
}
}
if (gMapSelectFlags & MAP_SELECT_FLAG_ENABLE_CONSTRUCT)
{
const LocationXY16& pos = session->MapPosition;
LocationXY16 * tile;
for (tile = gMapSelectionTiles; tile->x != -1; tile++)
{
if (tile->x != pos.x || tile->y != pos.y)
{
continue;
}
uint32 colours = COLOUR_GREY << 24 | COLOUR_BRIGHT_PURPLE << 19;
if (gMapSelectFlags & MAP_SELECT_FLAG_GREEN)
{
colours = COLOUR_GREY << 24 | COLOUR_SATURATED_GREEN << 19;
}
const uint32 image_id = (SPR_TERRAIN_SELECTION_CORNER + byte_97B444[surfaceShape]) | colours | IMAGE_TYPE_REMAP;
paint_attach_to_previous_ps(session, image_id, 0, 0);
break;
}
}
if (zoomLevel == 0 &&
has_surface &&
!(gCurrentViewportFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE) &&
!(gCurrentViewportFlags & VIEWPORT_FLAG_HIDE_BASE) &&
gConfigGeneral.landscape_smoothing)
{
viewport_surface_smoothen_edge(session, EDGE_TOPLEFT, tileDescriptors[0], tileDescriptors[3]);
viewport_surface_smoothen_edge(session, EDGE_TOPRIGHT, tileDescriptors[0], tileDescriptors[4]);
viewport_surface_smoothen_edge(session, EDGE_BOTTOMLEFT, tileDescriptors[0], tileDescriptors[1]);
viewport_surface_smoothen_edge(session, EDGE_BOTTOMRIGHT, tileDescriptors[0], tileDescriptors[2]);
}
if ((gCurrentViewportFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE) &&
!(gCurrentViewportFlags & VIEWPORT_FLAG_HIDE_BASE) &&
!(gScreenFlags & (SCREEN_FLAGS_TRACK_DESIGNER | SCREEN_FLAGS_TRACK_MANAGER)))
{
const uint8 image_offset = byte_97B444[surfaceShape];
uint32 base_image = terrain_type;
if (rotation & 1) {
base_image = byte_97B84A[terrain_type];
}
const uint32 image_id = dword_97B7C8[base_image] + image_offset;
paint_attach_to_previous_ps(session, image_id, 0, 0);
}
if (!(gCurrentViewportFlags & VIEWPORT_FLAG_HIDE_VERTICAL))
{
// loc_66122C:
uint8 al_edgeStyle = tileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_EDGE_STYLE_MASK;
uint8 di_type = tileElement->type & 0x80;
uint32 eax = al_edgeStyle + di_type * 2;
if (eax != 32 && eax != 0 && eax != 96 && eax != 64)
{
log_verbose("eax: %d", eax);
}
tunnel_entry backupLeftTunnels[TUNNEL_MAX_COUNT];
tunnel_entry backupRightTunnels[TUNNEL_MAX_COUNT];
memcpy(backupLeftTunnels, session->LeftTunnels, sizeof(tunnel_entry) * TUNNEL_MAX_COUNT);
memcpy(backupRightTunnels, session->RightTunnels, sizeof(tunnel_entry) * TUNNEL_MAX_COUNT);
viewport_surface_draw_land_side_top(session, EDGE_TOPLEFT, height / 16, eax / 32, tileDescriptors[0], tileDescriptors[3]);
viewport_surface_draw_land_side_top(session, EDGE_TOPRIGHT, height / 16, eax / 32, tileDescriptors[0], tileDescriptors[4]);
viewport_surface_draw_land_side_bottom(session, EDGE_BOTTOMLEFT, height / 16, eax / 32, tileDescriptors[0], tileDescriptors[1]);
viewport_surface_draw_land_side_bottom(session, EDGE_BOTTOMRIGHT, height / 16, eax / 32, tileDescriptors[0], tileDescriptors[2]);
memcpy(session->LeftTunnels, backupLeftTunnels, sizeof(tunnel_entry) * TUNNEL_MAX_COUNT);
memcpy(session->RightTunnels, backupRightTunnels, sizeof(tunnel_entry) * TUNNEL_MAX_COUNT);
}
if (map_get_water_height(tileElement) > 0)
{
// loc_6615A9: (water height)
session->InteractionType = VIEWPORT_INTERACTION_ITEM_WATER;
uint16 localHeight = height + 16;
uint16 waterHeight = map_get_water_height(tileElement) * 16;
if (!gTrackDesignSaveMode)
{
session->Unk141E9DC = waterHeight;
sint32 image_offset = 0;
if (waterHeight <= localHeight)
{
image_offset = byte_97B740[surfaceShape & 0xF];
}
const sint32 image_id = (SPR_WATER_MASK + image_offset) | IMAGE_TYPE_REMAP | IMAGE_TYPE_TRANSPARENT | PALETTE_WATER << 19;
sub_98196C(session, image_id, 0, 0, 32, 32, -1, waterHeight, rotation);
paint_attach_to_previous_ps(session, SPR_WATER_OVERLAY + image_offset, 0, 0);
// This wasn't in the original, but the code depended on globals that were only set in a different conditional
const uint8 al_edgeStyle = tileElement->properties.surface.slope & TILE_ELEMENT_SLOPE_EDGE_STYLE_MASK;
const uint8 di_type = tileElement->type & 0x80;
const uint32 eax = al_edgeStyle + di_type * 2;
assert(eax % 32 == 0);
// end new code
viewport_surface_draw_water_side_top(session, EDGE_TOPLEFT, waterHeight / 16, eax / 32, tileDescriptors[0], tileDescriptors[3]);
viewport_surface_draw_water_side_top(session, EDGE_TOPRIGHT, waterHeight / 16, eax / 32, tileDescriptors[0], tileDescriptors[4]);
viewport_surface_draw_water_side_bottom(session, EDGE_BOTTOMLEFT, waterHeight / 16, eax / 32, tileDescriptors[0], tileDescriptors[1]);
viewport_surface_draw_water_side_bottom(session, EDGE_BOTTOMRIGHT, waterHeight / 16, eax / 32, tileDescriptors[0], tileDescriptors[2]);
}
}
if ((tileElement->properties.surface.ownership & 0x0F) && !gTrackDesignSaveMode)
{
// Owned land boundary fences
session->InteractionType = VIEWPORT_INTERACTION_ITEM_PARK;
registers regs = { 0 };
regs.al = tileElement->properties.surface.ownership & 0x0F;
regs.ax = regs.ax << rotation;
regs.ah = regs.al >> 4;
uint8 al = regs.al | regs.ah;
for (sint32 i = 0; i < 4; i++)
{
const sint32 bit = al & 1;
al >>= 1;
if (bit == 0)
continue;
const tile_surface_boundary_data& fenceData = _tileSurfaceBoundaries[i];
sint32 local_height = height;
sint32 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))
{ // loc_6619A2:
image_id = fenceData.image[1];
}
else
{
local_height += 16;
if (!(surfaceShape & 0x10))
{ // loc_6619B5 (first)
image_id = fenceData.image[0];
}
else if (surfaceShape & fenceData.bit_4)
{ // loc_6619B5 (second)
image_id = fenceData.image[3];
}
else if (surfaceShape & fenceData.bit_2)
{ // loc_6619B5 (third)
image_id = fenceData.image[4];
}
else
{
image_id = fenceData.image[0];
}
}
sub_98197C(session,
image_id,
fenceData.offset.x,
fenceData.offset.y,
fenceData.box_size.x,
fenceData.box_size.y,
9,
local_height,
fenceData.box_offset.x,
fenceData.box_offset.y,
local_height + 1,
rotation);
}
}
session->InteractionType = VIEWPORT_INTERACTION_ITEM_TERRAIN;
session->Unk141E9DB |= G141E9DB_FLAG_1;
switch (surfaceShape)
{
default:
// loc_661C2C
// 00
// 00 00
// 00 00 00
// 00 00
// 00
paint_util_set_segment_support_height(session,
SEGMENT_B4 | SEGMENT_B8 | SEGMENT_BC | SEGMENT_C0 | SEGMENT_C4 | SEGMENT_C8 | SEGMENT_CC | SEGMENT_D0 | SEGMENT_D4,
height,
0
);
paint_util_force_set_general_support_height(session, height, 0);
break;
case 1:
// loc_661CB9
// 00
// 00 00
// 01 01 01
// 1B 1B
// 1B
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_C8 | SEGMENT_CC, height, 0);
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height, 1);
paint_util_set_segment_support_height(session, SEGMENT_D0 | SEGMENT_D4, height + 6, 0x1B);
paint_util_set_segment_support_height(session, SEGMENT_C0, height + 6 + 6, 0x1B);
paint_util_force_set_general_support_height(session, height, 1);
break;
case 2:
// loc_661D4E
// 02
// 17 00
// 17 02 00
// 17 00
// 02
paint_util_set_segment_support_height(session, SEGMENT_BC | SEGMENT_CC | SEGMENT_D4, height, 0);
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height, 2);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_D0, height + 6, 0x17);
paint_util_set_segment_support_height(session, SEGMENT_B8, height + 6 + 6, 0x17);
paint_util_force_set_general_support_height(session, height, 2);
break;
case 3:
// loc_661DE3
// 03
// 03 03
// 03 03 03
// 03 03
// 03
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_CC | SEGMENT_BC, height + 2, 3);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_C4 | SEGMENT_D4, height + 2 + 6, 3);
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_D0 | SEGMENT_C0, height + 2 + 6 + 6, 3);
paint_util_force_set_general_support_height(session, height, 3);
break;
case 4:
// loc_661E7C
// 1E
// 1E 1E
// 04 04 04
// 00 00
// 00
paint_util_set_segment_support_height(session, SEGMENT_C0 | SEGMENT_D0 | SEGMENT_D4, height, 0);
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height, 4);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_CC, height + 6, 0x1E);
paint_util_set_segment_support_height(session, SEGMENT_B4, height + 6 + 6, 0x1E);
paint_util_force_set_general_support_height(session, height, 4);
break;
case 5:
// loc_661F11
// 1E ▓▓
// 1E 1E ▒▒ ▒▒
// 05 05 05 ░░ ░░ ░░
// 1B 1B ▒▒ ▒▒
// 1B ▓▓
paint_util_set_segment_support_height(session, SEGMENT_B4, height + 6 + 6, 0x1E);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_CC, height + 6, 0x1E);
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height, 5);
paint_util_set_segment_support_height(session, SEGMENT_D0 | SEGMENT_D4, height + 6, 0x1B);
paint_util_set_segment_support_height(session, SEGMENT_C0, height + 6 + 6, 0x1B);
paint_util_force_set_general_support_height(session, height, 5);
break;
case 6:
// loc_661FA6
// 06 ▓▓
// 06 06 ▓▓ ▒▒
// 06 06 06 ▓▓ ▒▒ ░░
// 06 06 ▒▒ ░░
// 06 ░░
paint_util_set_segment_support_height(session, SEGMENT_BC | SEGMENT_D4 | SEGMENT_C0, height + 2, 6);
paint_util_set_segment_support_height(session, SEGMENT_D0 | SEGMENT_C4 | SEGMENT_CC, height + 2 + 6, 6);
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_C8 | SEGMENT_B4, height + 2 + 6 + 6, 6);
paint_util_force_set_general_support_height(session, height, 6);
break;
case 7:
// loc_66203F
// 07 ▓▓
// 00 17 ▓▓ ▒▒
// 00 07 17 ▓▓ ▓▓ ░░
// 00 17 ▓▓ ▒▒
// 07 ▓▓
paint_util_set_segment_support_height(session, SEGMENT_BC, height + 4, 0x17);
paint_util_set_segment_support_height(session, SEGMENT_CC | SEGMENT_D4, height + 4 + 6, 0x17);
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height + 4 + 6 + 6, 7);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_D0 | SEGMENT_B8, height + 4 + 6 + 6, 0);
paint_util_force_set_general_support_height(session, height, 7);
break;
case 8:
// loc_6620D8
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_C8 | SEGMENT_D0, height, 0);
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height, 8);
paint_util_set_segment_support_height(session, SEGMENT_CC | SEGMENT_D4, height + 6, 0x1D);
paint_util_set_segment_support_height(session, SEGMENT_BC, height + 6 + 6, 0x1D);
paint_util_force_set_general_support_height(session, height, 8);
break;
case 9:
// loc_66216D
paint_util_force_set_general_support_height(session, height, 9);
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_C8 | SEGMENT_B8, height + 2, 9);
paint_util_set_segment_support_height(session, SEGMENT_D0 | SEGMENT_C4 | SEGMENT_CC, height + 2 + 6, 9);
paint_util_set_segment_support_height(session, SEGMENT_C0 | SEGMENT_D4 | SEGMENT_BC, height + 2 + 6 + 6, 9);
break;
case 10:
// loc_662206
paint_util_force_set_general_support_height(session, height, 0xA);
paint_util_set_segment_support_height(session, SEGMENT_B8, height + 6 + 6, 0x17);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_D0, height + 6, 0x17);
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height, 0xA);
paint_util_set_segment_support_height(session, SEGMENT_CC | SEGMENT_D4, height + 6, 0x1D);
paint_util_set_segment_support_height(session, SEGMENT_BC, height + 6 + 6, 0x1D);
break;
case 11:
// loc_66229B
paint_util_force_set_general_support_height(session, height, 0xB);
paint_util_set_segment_support_height(session, SEGMENT_B4, height + 4, 0x1B);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_CC, height + 4 + 6, 0x1B);
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height + 4 + 6 + 6, 0xB);
paint_util_set_segment_support_height(session, SEGMENT_D0 | SEGMENT_D4 | SEGMENT_C0, height + 4 + 6 + 6, 0);
break;
case 12:
// loc_662334
paint_util_force_set_general_support_height(session, height, 0xC);
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_D0 | SEGMENT_C0, height + 2, 0xC);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_C4 | SEGMENT_D4, height + 2 + 6, 0xC);
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_CC | SEGMENT_BC, height + 2 + 6 + 6, 0xC);
break;
case 13:
// loc_6623CD
paint_util_force_set_general_support_height(session, height, 0xD);
paint_util_set_segment_support_height(session, SEGMENT_B8, height + 4, 0x1D);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_D0, height + 4 + 6, 0x1D);
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height + 4 + 6 + 6, 0xD);
paint_util_set_segment_support_height(session, SEGMENT_CC | SEGMENT_D4 | SEGMENT_BC, height + 4 + 6 + 6, 0);
break;
case 14:
// loc_662466
paint_util_force_set_general_support_height(session, height, 0xE);
paint_util_set_segment_support_height(session, SEGMENT_C0, height + 4, 0x1E);
paint_util_set_segment_support_height(session, SEGMENT_D0 | SEGMENT_D4, height + 4 + 6, 0x1E);
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height + 4 + 6 + 6, 0xE);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_CC | SEGMENT_B4, height + 4 + 6 + 6, 0);
break;
case 23:
// loc_6624FF
paint_util_force_set_general_support_height(session, height, 0x17);
paint_util_set_segment_support_height(session, SEGMENT_BC, height + 4, 0x17);
paint_util_set_segment_support_height(session, SEGMENT_CC | SEGMENT_D4, height + 4 + 6, 0x17);
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height + 4 + 6 + 6, 0x17);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_D0, height + 4 + 6 + 6 + 6, 0x17);
paint_util_set_segment_support_height(session, SEGMENT_B8, height + 4 + 6 + 6 + 6 + 6, 0x17);
break;
case 27:
// loc_6625A0
paint_util_force_set_general_support_height(session, height, 0x1B);
paint_util_set_segment_support_height(session, SEGMENT_B4, height + 4, 0x1B);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_CC, height + 4 + 6, 0x1B);
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height + 4 + 6 + 6, 0x1B);
paint_util_set_segment_support_height(session, SEGMENT_D0 | SEGMENT_D4, height + 4 + 6 + 6 + 6, 0x1B);
paint_util_set_segment_support_height(session, SEGMENT_C0, height + 4 + 6 + 6 + 6 + 6, 0x1B);
break;
case 29:
// loc_662641
paint_util_force_set_general_support_height(session, height, 0x1D);
paint_util_set_segment_support_height(session, SEGMENT_B8, height + 4, 0x1D);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_D0, height + 4 + 6, 0x1D);
paint_util_set_segment_support_height(session, SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height + 4 + 6 + 6, 0x1D);
paint_util_set_segment_support_height(session, SEGMENT_CC | SEGMENT_D4, height + 4 + 6 + 6 + 6, 0x1D);
paint_util_set_segment_support_height(session, SEGMENT_BC, height + 4 + 6 + 6 + 6 + 6, 0x1D);
break;
case 30:
// loc_6626E2
paint_util_force_set_general_support_height(session, height, 0x1E);
paint_util_set_segment_support_height(session, SEGMENT_C0, height + 4, 0x1E);
paint_util_set_segment_support_height(session, SEGMENT_D0 | SEGMENT_D4, height + 4 + 6, 0x1E);
paint_util_set_segment_support_height(session, SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height + 4 + 6 + 6, 0x1E);
paint_util_set_segment_support_height(session, SEGMENT_C8 | SEGMENT_CC, height + 4 + 6 + 6 + 6, 0x1E);
paint_util_set_segment_support_height(session, SEGMENT_B4, height + 4 + 6 + 6 + 6 + 6, 0x1E);
break;
}
}
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