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OpenRCT2/src/paint/map_element/surface.c
Marijn van der Werf f28c35712f Partially integrate 0x0141E9DB
2016-09-14 18:36:46 +01:00

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#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
/*****************************************************************************
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
* For more information, visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* A full copy of the GNU General Public License can be found in licence.txt
*****************************************************************************/
#pragma endregion
#include "../../addresses.h"
#include "../../cheats.h"
#include "../../common.h"
#include "../../config.h"
#include "../../interface/viewport.h"
#include "../../peep/staff.h"
#include "../../world/map.h"
#include "../paint.h"
#include "map_element.h"
#include "surface.h"
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
const rct_xy16 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)
*/
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
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
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
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
const uint8 byte_97B55D[] = {
2, 2, 1, 4, 0, 0, 1, 2, 2, 4,
1, 5, 1, 3, 2, 3, 1, 5, 0
};
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}
};
const sint16 word_97B590[] = {
0,
0,
-32,
0,
0,
-48,
0,
0,
-32,
0,
-16,
-16,
-16,
-16,
-16,
-16,
};
// tunnel offset
const uint8 byte_97B5B0[] = {
0, 0, 0, 3, 3, 3, 6, 6, 6, 6,
10, 11, 12, 13, 14, 14
};
const uint32 stru_97B5C0[][5] = {
{1579, 1599, 1589, 1609, 0},
{1747, 1767, 1757, 1777, 1},
{1663, 1683, 1673, 1693, 2},
{1831, 1851, 1841, 1861, 3},
};
const uint32 stru_97B640[][16] = {
{1615, 1619, 1623, 1627, 1631, 1635, 1639, 1643, 1647, 1651, 1655, 1659, 1615, 1627, 1639, 1651},
{1783, 1787, 1791, 1795, 1799, 1803, 1807, 1811, 1815, 1819, 1823, 1827, 1783, 1795, 1807, 1819},
{1699, 1703, 1707, 1711, 1715, 1719, 1723, 1727, 1731, 1735, 1739, 1743, 1699, 1711, 1723, 1735},
{1867, 1871, 1875, 1879, 1883, 1887, 1891, 1895, 1899, 1903, 1907, 1911, 1867, 1879, 1891, 1903},
};
const uint8 byte_97B740[] = {
0, 0, 0, 0, 0, 0, 0, 2, 0, 0,
0, 3, 0, 1, 4, 0
};
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 | 0x20000000, SPR_TERRAIN_GRID_GRID | COLOUR_BRIGHT_RED << 19 | 0x20000000},
{SPR_TERRAIN_GRID | COLOUR_YELLOW << 19 | 0x20000000, SPR_TERRAIN_GRID_GRID | COLOUR_YELLOW << 19 | 0x20000000},
{SPR_TERRAIN_GRID | COLOUR_BRIGHT_PURPLE << 19 | 0x20000000, SPR_TERRAIN_GRID_GRID | COLOUR_BRIGHT_PURPLE << 19 | 0x20000000},
{SPR_TERRAIN_GRID | COLOUR_BRIGHT_GREEN << 19 | 0x20000000, SPR_TERRAIN_GRID_GRID | COLOUR_BRIGHT_GREEN << 19 | 0x20000000},
{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},
};
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 | 0x20000000,
SPR_TERRAIN_GRID_UNDERGROUND | COLOUR_YELLOW << 19 | 0x20000000,
SPR_TERRAIN_GRID_UNDERGROUND | COLOUR_BRIGHT_PURPLE << 19 | 0x20000000,
SPR_TERRAIN_GRID_UNDERGROUND | COLOUR_BRIGHT_GREEN << 19 | 0x20000000,
SPR_TERRAIN_SAND_RED_UNDERGROUND,
SPR_TERRAIN_SAND_UNDERGROUND,
SPR_TERRAIN_CHECKERBOARD_INVERTED_UNDERGROUND,
};
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),
};
const uint8 byte_97B83C[] = {
0, // GRASS
0, // SAND (YELLOW)
0, // DIRT
FLAG_DONT_SMOOTHEN_SELF, // ROCK
FLAG_DONT_SMOOTHEN_SELF, // MARTIAN
FLAG_DONT_SMOOTHEN_SELF | FLAG_DONT_SMOOTHEN, // GRASS
0, // GRASS_CLUMPS
0, // ICE
FLAG_DONT_SMOOTHEN_SELF | FLAG_DONT_SMOOTHEN, // GRASS
FLAG_DONT_SMOOTHEN_SELF | FLAG_DONT_SMOOTHEN, // GRASS
FLAG_DONT_SMOOTHEN_SELF | FLAG_DONT_SMOOTHEN, // GRASS
FLAG_DONT_SMOOTHEN_SELF | FLAG_DONT_SMOOTHEN, // GRASS
0, // SAND_RED
0 // SAND
};
const uint8 byte_97B84A[] = {
0, 1, 2, 3, 4, 14, 6, 7, 8, 9,
10, 11, 12, 13
};
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},
};
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},
};
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_map_element * map_element;
uint8 terrain;
uint8 slope;
corner_height corner_heights;
};
static uint8 viewport_surface_paint_setup_get_relative_slope(rct_map_element * mapElement, int rotation)
{
uint8 slope = mapElement->properties.surface.slope;
uint16 di = (slope & 0x0F) << rotation;
uint8 ebx = slope & 0x10;
di = ((di >> 4) | di) & 0x0F;
return ebx | di;
}
/**
* rct2: 0x0065E890, 0x0065E946, 0x0065E9FC, 0x0065EAB2
*/
static void viewport_surface_smoothen_edge(enum edge edge, struct tile_descriptor self, struct tile_descriptor neighbour)
{
if (neighbour.map_element == NULL) {
return;
}
uint32 maskImageBase;
uint8 neighbourCorners[2];
uint8 ownCorners[2];
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, cl;
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;
}
}
uint32 image_id = maskImageBase + byte_97B444[self.slope];
attached_paint_struct * out;
if (paint_attach_to_previous_ps(image_id, 0, 0)) {
out = g_aps_F1AD2C;
// set content and enable masking
out->colour_image_id = dword_97B804[neighbour.terrain] + cl;
out->flags |= PAINT_STRUCT_FLAG_IS_MASKED;
}
}
/**
* rct2: 0x0065F63B, 0x0065F77D
*/
static void viewport_surface_draw_land_side_top(enum edge edge, uint8 height, uint8 terrain, struct tile_descriptor self, struct tile_descriptor neighbour)
{
registers regs;
rct_xy8 offset = {0, 0};
rct_xy8 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;
}
regs.dl = height;
// save ecx
if (neighbour.map_element == NULL) {
regs.ah = 1;
regs.ch = 1;
}
// al + cl probably are self tile corners, while ah/ch are neighbour tile corners
if (regs.al <= regs.ah && regs.cl <= regs.ch) {
return;
}
if (!(gCurrentViewportFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE)) {
uint8 incline = (regs.cl - regs.al) + 1;
uint32 image_id = stru_97B5C0[terrain][3] + (edge == EDGE_TOPLEFT ? 3 : 0) + incline; // var_c;
sint16 y = (regs.dl - regs.al) * 16;
paint_attach_to_previous_ps(image_id, 0, y);
return;
}
uint32 base_image_id = stru_97B5C0[terrain][1] + (edge == EDGE_TOPLEFT ? 5 : 0); // var_04
const uint8 rotation = get_current_rotation();
uint8 cur_height = min(regs.ch, regs.ah);
if (regs.ch != regs.ah) {
// neightbour 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(image_id, offset.x, offset.y, bounds.x, bounds.y, 15, cur_height * 16, rotation);
cur_height++;
}
}
regs.ah = regs.cl;
while (cur_height < regs.al && cur_height < regs.ah) {
sub_98196C(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;
}
}
uint32 image_id = base_image_id + image_offset;
sub_98196C(image_id, offset.x, offset.y, bounds.x, bounds.y, 15, cur_height * 16, rotation);
}
/**
* rct2: 0x0065EB7D, 0x0065F0D8
*/
static void viewport_surface_draw_land_side_bottom(enum edge edge, uint8 height, uint8 edgeStyle, struct tile_descriptor self, struct tile_descriptor neighbour)
{
registers regs;
rct_xy8 offset = {0, 0};
rct_xy8 bounds = {0, 0};
rct_xy16 tunnelBounds = {1, 1};
rct_xy16 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 = gLeftTunnels;
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 = gRightTunnels;
break;
default:
return;
}
if (neighbour.map_element == 0) {
regs.ch = 1;
regs.ah = 1;
}
if (regs.al <= regs.ah && regs.cl <= regs.ch) {
return;
}
uint32 base_image_id = stru_97B5C0[edgeStyle][0];
if (gCurrentViewportFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE) {
base_image_id = stru_97B5C0[edgeStyle][1];
}
if (edge == EDGE_BOTTOMRIGHT) {
base_image_id += 5;
}
const uint8 rotation = get_current_rotation();
uint8 curHeight = 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(image_id, offset.x, offset.y, bounds.x, bounds.y, 15, curHeight * 16, rotation);
curHeight++;
}
}
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;
}
}
uint32 image_id = base_image_id + image_offset;
sub_98196C(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) * 64);
}
if (curHeight != tunnelArray[0].height) {
sub_98196C(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 = stru_97B640[edgeStyle][tunnelType] + (edge == EDGE_BOTTOMRIGHT ? 2 : 0);
sub_98197C(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 = stru_97B640[edgeStyle][tunnelType] + (edge == EDGE_BOTTOMRIGHT ? 2 : 0) + 1;
sub_98197C(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) * 64);
}
}
/**
* rct2: 0x0066039B, 0x006604F1
*/
static void viewport_surface_draw_water_side_top(enum edge edge, uint8 height, uint8 terrain, struct tile_descriptor self, struct tile_descriptor neighbour)
{
registers regs;
rct_xy8 offset = {0, 0};
rct_xy8 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;
}
regs.dl = height;
// save ecx
if (neighbour.map_element == NULL) {
regs.ah = 1;
regs.ch = 1;
} else {
regs.dh = neighbour.map_element->properties.surface.terrain & 0x1F;
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 = stru_97B5C0[terrain][2]; // var_08
if (gCurrentViewportFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE) {
base_image_id = stru_97B5C0[terrain][1]; // var_04
}
base_image_id += (edge == EDGE_TOPLEFT ? 5 : 0);
const uint8 rotation = get_current_rotation();
uint8 cur_height = min(regs.ch, regs.ah);
if (regs.ch != regs.ah) {
// neightbour 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(image_id, offset.x, offset.y, bounds.x, bounds.y, 15, cur_height * 16, rotation);
cur_height++;
}
}
regs.ah = regs.cl;
while (cur_height < regs.al && cur_height < regs.ah) {
sub_98196C(base_image_id, 0, 0, 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;
}
}
uint32 image_id = base_image_id + image_offset;
sub_98196C(image_id, offset.x, offset.y, bounds.x, bounds.y, 15, cur_height * 16, rotation);
}
/**
* rct2: 0x0065F8B9, 0x0065FE26
*/
static void viewport_surface_draw_water_side_bottom(enum edge edge, uint8 height, uint8 edgeStyle, struct tile_descriptor self, struct tile_descriptor neighbour)
{
registers regs;
rct_xy8 offset = {0, 0};
rct_xy8 bounds = {0, 0};
rct_xy16 tunnelBounds = {1, 1};
rct_xy16 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 = gLeftTunnels;
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 = gRightTunnels;
break;
default:
return;
}
regs.dl = height;
if (neighbour.map_element == 0) {
regs.ch = 1;
regs.ah = 1;
} else {
regs.dh = neighbour.map_element->properties.surface.terrain & 0x1F;
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 = stru_97B5C0[edgeStyle][0];
if (gCurrentViewportFlags & VIEWPORT_FLAG_UNDERGROUND_INSIDE) {
base_image_id = stru_97B5C0[edgeStyle][1];
}
if (edge == EDGE_BOTTOMRIGHT) {
base_image_id += 5;
}
const uint8 rotation = get_current_rotation();
uint8 curHeight = 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(image_id, offset.x, offset.y, bounds.x, bounds.y, 15, curHeight * 16, rotation);
curHeight++;
}
}
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;
}
}
uint32 image_id = base_image_id + image_offset;
sub_98196C(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) * 64);
}
sub_98196C(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 = stru_97B640[edgeStyle][tunnelType] + (edge == EDGE_BOTTOMRIGHT ? 2 : 0);
sub_98197C(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 = stru_97B640[edgeStyle][tunnelType] + (edge == EDGE_BOTTOMRIGHT ? 2 : 0) + 1;
sub_98197C(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) * 64);
}
}
/**
* rct2: 0x0066062C
*
* @param direction (cl)
* @param height (dx)
* @param map_element (esi)
*/
void surface_paint(uint8 direction, uint16 height, rct_map_element * mapElement)
{
rct_drawpixelinfo * dpi = unk_140E9A8;
gPaintInteractionType = VIEWPORT_INTERACTION_ITEM_TERRAIN;
gDidPassSurface = true;
gSurfaceElement = mapElement;
uint16 zoomLevel = dpi->zoom_level;
const uint8 rotation = get_current_rotation();
uint32 terrain_type = map_element_get_terrain(mapElement);
uint32 surfaceShape = viewport_surface_paint_setup_get_relative_slope(mapElement, rotation);
rct_xy16 base = {
.x = RCT2_GLOBAL(0x9DE568, sint16),
.y = RCT2_GLOBAL(0x9DE56C, sint16)
};
corner_height ch = corner_heights[surfaceShape];
tile_descriptor selfDescriptor = {
.map_element = mapElement,
.slope = surfaceShape,
.terrain = terrain_type,
.corner_heights = {
.top = height / 16 + ch.top,
.right = height / 16 + ch.right,
.bottom = height / 16 + ch.bottom,
.left = height / 16 + ch.left,
}
};
tile_descriptor tileDescriptors[5];
tileDescriptors[0] = selfDescriptor;
for (int i = 0; i < 4; i++) {
rct_xy16 offset = viewport_surface_paint_data[i][rotation];
rct_xy16 position = {.x = base.x + offset.x, .y = base.y + offset.y};
tileDescriptors[i + 1].map_element = NULL;
if (position.x > 0x2000 || position.y > 0x2000) {
continue;
}
rct_map_element * surfaceElement = map_get_surface_element_at(position.x / 32, position.y / 32);
if (surfaceElement == NULL) {
continue;
}
tileDescriptors[i + 1].map_element = surfaceElement;
tileDescriptors[i + 1].terrain = map_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;
corner_height 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 = RCT2_GLOBAL(0x009DE56A, sint16), y = RCT2_GLOBAL(0x009DE56E, sint16);
int dx = map_element_height(x + 16, y + 16) & 0xFFFF;
dx += 3;
int image_id = (SPR_HEIGHT_MARKER_BASE + dx / 16) | 0x20780000;
image_id += get_height_marker_offset();
image_id -= gMapBaseZ;
sub_98196C(image_id, 16, 16, 1, 1, 0, height, rotation);
}
bool has_surface = false;
if (gVerticalTunnelHeight * 16 == height) {
// Vertical tunnels
sub_98197C(1575, 0, 0, 1, 30, 39, height, -2, 1, height - 40, rotation);
sub_98197C(1576, 0, 0, 30, 1, 0, height, 1, 31, height, rotation);
sub_98197C(1577, 0, 0, 1, 30, 0, height, 31, 1, height, rotation);
sub_98197C(1578, 0, 0, 30, 1, 39, height, 1, -2, height - 40, rotation);
} else {
bool showGridlines = (gCurrentViewportFlags & VIEWPORT_FLAG_GRIDLINES);
int branch = -1;
if ((mapElement->properties.surface.terrain & 0xE0) == 0) {
if ((mapElement->type & 0x3) == 0) {
if (zoomLevel == 0) {
if ((gCurrentViewportFlags & 0x1001) == 0) {
branch = mapElement->properties.surface.grass_length & 0x7;
}
}
}
}
assert(surfaceShape < countof(byte_97B444));
uint8 image_offset = byte_97B444[surfaceShape];
int 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 < countof(byte_97B84A));
ebp = byte_97B84A[ebp];
}
assert(ebp < countof(dword_97B750));
image_id = dword_97B750[ebp][showGridlines ? 1 : 0] + image_offset;
if (gScreenFlags & (SCREEN_FLAGS_TRACK_DESIGNER | SCREEN_FLAGS_TRACK_MANAGER)) {
// TODO: SPR_TERRAIN_TRACK_DESIGNER ???
image_id = 2623;
}
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 = RCT2_GLOBAL(0x009DE56A, sint16) & 0x20;
sint16 y = RCT2_GLOBAL(0x009DE56E, sint16) & 0x20;
int 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(image_id, 0, 0, 32, 32, 255, height, rotation);
has_surface = true;
}
// Draw Staff Patrol Areas
// loc_660D02
if (gStaffDrawPatrolAreas != 0xFFFF) {
sint32 staffIndex = gStaffDrawPatrolAreas;
bool is_staff_list = staffIndex & 0x8000;
uint8 staffType = staffIndex & 0x7FFF;
sint16 x = RCT2_GLOBAL(0x009DE56A, sint16), y = RCT2_GLOBAL(0x009DE56E, sint16);
uint32 image_id = 0x20000000;
uint8 patrolColour = 7;
if (!is_staff_list) {
rct_peep * staff = GET_PEEP(staffIndex);
if (!staff_is_patrol_area_set(staff->staff_id, x, y)) {
patrolColour = 1;
}
staffType = staff->staff_type;
}
if (staff_is_patrol_area_set(200 + staffType, x, y)) {
assert(surfaceShape < countof(byte_97B444));
image_id |= SPR_TERRAIN_SELECTION_PATROL_AREA + byte_97B444[surfaceShape];
image_id |= patrolColour << 19;
paint_attach_to_previous_ps(image_id, 0, 0);
}
}
// Draw Peep Spawns
if (((gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) || gCheatsSandboxMode) &&
gCurrentViewportFlags & VIEWPORT_FLAG_LAND_OWNERSHIP
) {
rct_xy16 pos = {RCT2_GLOBAL(0x009DE56A, sint16), RCT2_GLOBAL(0x009DE56E, sint16)};
for (int i = 0; i < 2; ++i) {
rct2_peep_spawn * spawn = &gPeepSpawns[i];
if ((spawn->x & 0xFFE0) == pos.x && (spawn->y & 0xFFE0) == pos.y) {
// TODO: SPR_TERRAIN_SELECTION_SQUARE_SIMPLE ??? (no variations)
sub_98196C(2624, 0, 0, 32, 32, 16, spawn->z * 16, rotation);
int offset = ((spawn->direction ^ 2) + rotation) & 3;
uint32 image_id = (3111 + offset) | 0x20380000;
sub_98196C(image_id, 0, 0, 32, 32, 19, spawn->z * 16, rotation);
}
}
}
if (gCurrentViewportFlags & VIEWPORT_FLAG_LAND_OWNERSHIP) {
// loc_660E9A:
if (mapElement->properties.surface.ownership & OWNERSHIP_OWNED) {
assert(surfaceShape < countof(byte_97B444));
// TODO: SPR_TERRAIN_SELECTION_SQUARE?
paint_attach_to_previous_ps(2625 + byte_97B444[surfaceShape], 0, 0);
} else if (mapElement->properties.surface.ownership & OWNERSHIP_AVAILABLE) {
rct_xy16 pos = {RCT2_GLOBAL(0x009DE56A, sint16), RCT2_GLOBAL(0x009DE56E, sint16)};
paint_struct * backup = g_ps_F1AD28;
int height = (map_element_height(pos.x + 16, pos.y + 16) & 0xFFFF) + 3;
sub_98196C(22955, 16, 16, 1, 1, 0, height, rotation);
g_ps_F1AD28 = backup;
}
}
if (gCurrentViewportFlags & VIEWPORT_FLAG_CONSTRUCTION_RIGHTS
&& !(mapElement->properties.surface.ownership & OWNERSHIP_OWNED)) {
if (mapElement->properties.surface.ownership & OWNERSHIP_CONSTRUCTION_RIGHTS_OWNED) {
assert(surfaceShape < countof(byte_97B444));
// TODO: SPR_TERRAIN_SELECTION_DOTTED ???
paint_attach_to_previous_ps(2644 + byte_97B444[surfaceShape], 0, 0);
} else if (mapElement->properties.surface.ownership & OWNERSHIP_CONSTRUCTION_RIGHTS_AVAILABLE) {
paint_struct * backup = g_ps_F1AD28;
rct_xy16 pos = {RCT2_GLOBAL(0x009DE56A, sint16), RCT2_GLOBAL(0x009DE56E, sint16)};
int height = map_element_height(pos.x + 16, pos.y + 16) & 0xFFFF;
sub_98196C(22956, 16, 16, 1, 1, 0, height + 3, rotation);
g_ps_F1AD28 = backup;
}
}
// ebx[0] = esi;
// ebp[4] = ebp;
// ebp[8] = ebx
if (gMapSelectFlags & MAP_SELECT_FLAG_ENABLE) {
// loc_660FB8:
rct_xy16 pos = {RCT2_GLOBAL(0x009DE56A, sint16), RCT2_GLOBAL(0x009DE56E, sint16)};
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 | 0x20000000;
paint_attach_to_previous_ps(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 | 0x20000000;
paint_attach_to_previous_ps(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 | 0x20000000;
paint_attach_to_previous_ps(image_id, 0, 0);
} else {
int local_surfaceShape = surfaceShape;
int local_height = height;
// Water tool
if (mapElement->properties.surface.terrain & 0x1F) {
int waterHeight = (mapElement->properties.surface.terrain & 0x1F) * 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);
}
}
}
int image_id = (SPR_TERRAIN_SELECTION_CORNER + byte_97B444[local_surfaceShape]) | 0x21300000;
paint_struct * backup = g_ps_F1AD28;
sub_98196C(image_id, 0, 0, 32, 32, 1, local_height, rotation);
g_ps_F1AD28 = backup;
}
}
}
if (gMapSelectFlags & MAP_SELECT_FLAG_ENABLE_CONSTRUCT) {
rct_xy16 pos = {RCT2_GLOBAL(0x009DE56A, sint16), RCT2_GLOBAL(0x009DE56E, sint16)};
rct_xy16 * 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;
}
uint32 image_id = (SPR_TERRAIN_SELECTION_CORNER + byte_97B444[surfaceShape]) | colours | 0x20000000;
paint_attach_to_previous_ps(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(EDGE_TOPLEFT, tileDescriptors[0], tileDescriptors[3]);
viewport_surface_smoothen_edge(EDGE_TOPRIGHT, tileDescriptors[0], tileDescriptors[4]);
viewport_surface_smoothen_edge(EDGE_BOTTOMLEFT, tileDescriptors[0], tileDescriptors[1]);
viewport_surface_smoothen_edge(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))) {
uint8 image_offset = byte_97B444[surfaceShape];
uint32 base_image = terrain_type;
if (rotation & 1) {
base_image = byte_97B84A[terrain_type];
}
uint32 image_id = dword_97B7C8[base_image] + image_offset;
paint_attach_to_previous_ps(image_id, 0, 0);
}
if (!(gCurrentViewportFlags & VIEWPORT_FLAG_HIDE_VERTICAL)) {
// loc_66122C:
uint8 al_edgeStyle = mapElement->properties.surface.slope & 0xE0;
uint8 di_type = mapElement->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[65];
tunnel_entry backupRightTunnels[65];
#ifdef __MINGW32__
// The other code crashes mingw 4.8.2, as available on Travis
for (int i = 0; i < 65; i++) {
backupLeftTunnels[i] = gLeftTunnels[i];
backupRightTunnels[i] = gRightTunnels[i];
}
#else
memcpy(backupLeftTunnels, gLeftTunnels, sizeof(tunnel_entry) * 65);
memcpy(backupRightTunnels, gRightTunnels, sizeof(tunnel_entry) * 65);
#endif
viewport_surface_draw_land_side_top(EDGE_TOPLEFT, height / 16, eax / 32, tileDescriptors[0], tileDescriptors[3]);
viewport_surface_draw_land_side_top(EDGE_TOPRIGHT, height / 16, eax / 32, tileDescriptors[0], tileDescriptors[4]);
viewport_surface_draw_land_side_bottom(EDGE_BOTTOMLEFT, height / 16, eax / 32, tileDescriptors[0], tileDescriptors[1]);
viewport_surface_draw_land_side_bottom(EDGE_BOTTOMRIGHT, height / 16, eax / 32, tileDescriptors[0], tileDescriptors[2]);
#ifdef __MINGW32__
// The other code crashes mingw 4.8.2, as available on Travis
for (int i = 0; i < 65; i++) {
gLeftTunnels[i] = backupLeftTunnels[i];
gRightTunnels[i] = backupRightTunnels[i];
}
#else
memcpy(gLeftTunnels, backupLeftTunnels, sizeof(tunnel_entry) * 65);
memcpy(gRightTunnels, backupRightTunnels, sizeof(tunnel_entry) * 65);
#endif
}
RCT2_GLOBAL(0x009E3298, uint16) = 0;
if (mapElement->properties.surface.terrain & 0x1F) {
// loc_6615A9: (water height)
gPaintInteractionType = VIEWPORT_INTERACTION_ITEM_WATER;
uint16 localHeight = height + 16;
uint16 waterHeight = (mapElement->properties.surface.terrain & 0x1F) * 16;
RCT2_GLOBAL(0x009E3298, uint16) = waterHeight;
if (!gTrackDesignSaveMode) {
RCT2_GLOBAL(0x0141E9DC, uint16) = waterHeight;
int image_offset = 0;
if (waterHeight <= localHeight) {
image_offset = byte_97B740[surfaceShape & 0xF];
}
int image_id = (SPR_WATER_MASK + image_offset) | 0x61000000;
sub_98196C(image_id, 0, 0, 32, 32, -1, waterHeight, rotation);
paint_attach_to_previous_ps(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
uint8 al_edgeStyle = mapElement->properties.surface.slope & 0xE0;
uint8 di_type = mapElement->type & 0x80;
uint32 eax = al_edgeStyle + di_type * 2;
assert(eax % 32 == 0);
// end new code
viewport_surface_draw_water_side_top(EDGE_TOPLEFT, waterHeight / 16, eax / 32, tileDescriptors[0], tileDescriptors[3]);
viewport_surface_draw_water_side_top(EDGE_TOPRIGHT, waterHeight / 16, eax / 32, tileDescriptors[0], tileDescriptors[4]);
viewport_surface_draw_water_side_bottom(EDGE_BOTTOMLEFT, waterHeight / 16, eax / 32, tileDescriptors[0], tileDescriptors[1]);
viewport_surface_draw_water_side_bottom(EDGE_BOTTOMRIGHT, waterHeight / 16, eax / 32, tileDescriptors[0], tileDescriptors[2]);
}
}
if ((mapElement->properties.surface.ownership & 0x0F) &&
!gTrackDesignSaveMode
) {
// Owned land boundary fences
gPaintInteractionType = VIEWPORT_INTERACTION_ITEM_PARK;
registers regs = { 0 };
regs.al = mapElement->properties.surface.ownership & 0x0F;
regs.ax = regs.ax << rotation;
regs.ah = regs.al >> 4;
uint8 al = regs.al | regs.ah;
for (int i = 0; i < 4; i++) {
int bit = al & 1;
al >>= 1;
if (bit == 0) {
continue;
}
int bit_1, bit_8, bit_4, bit_2;
rct_xy8 offset;
rct_xy16 box_offset, box_size;
uint32 image_1, image_2, image_3;
switch (i) {
case 0:
// Bottom right
bit_1 = 1;
bit_8 = 8;
bit_4 = 4;
bit_2 = 2;
image_1 = 22872;
image_2 = 22876;
image_3 = 22874;
offset = (rct_xy8) {1, 31};
box_size = (struct rct_xy16) {.x=30, .y=1};
box_offset = (struct rct_xy16) {.x=1, .y=31};
break;
case 1:
// Bottom left
bit_1 = 1;
bit_8 = 2;
bit_4 = 4;
bit_2 = 8;
image_1 = 22873;
image_2 = 22877;
image_3 = 22875;
offset = (rct_xy8) {31, 0};
box_size = (struct rct_xy16) {.x=1, .y=30};
box_offset = (struct rct_xy16) {.x=31, .y=1};
break;
case 2:
// Top left
bit_1 = 4;
bit_8 = 2;
bit_4 = 8;
bit_2 = 1;
image_1 = 22872;
image_2 = 22874;
image_3 = 22876;
offset = (rct_xy8) {1, 0};
box_size = (struct rct_xy16) {30, 1};
box_offset = (struct rct_xy16) {1, 1};
// TODO: Fences on top tile get clipped after a while
break;
case 3:
// Top right
bit_1 = 4;
bit_8 = 8;
bit_4 = 2;
bit_2 = 1;
image_1 = 22873;
image_2 = 22875;
image_3 = 22877;
offset = (rct_xy8) {1, 1};
box_size = (struct rct_xy16) {1, 30};
box_offset = (struct rct_xy16) {1, 1};
break;
}
uint32 image_4, image_5;
if (i == 0 || i == 1) {
image_4 = image_3;
image_5 = image_2;
} else {
image_4 = image_2;
image_5 = image_3;
}
int local_ebx = surfaceShape;
int local_height = height;
int image_id = 0;
if (!(local_ebx & bit_1)) { // first
if (local_ebx & bit_8) { // second
image_id = image_3;
} else {
image_id = image_1;
}
} else if (!(local_ebx & bit_8)) { // loc_6619A2:
image_id = image_2;
} else {
local_height += 16;
if (!(local_ebx & 0x10)) { // loc_6619B5 (first)
image_id = image_1;
} else if (local_ebx & bit_4) { // loc_6619B5 (second)
image_id = image_4;
} else if (local_ebx & bit_2) { // loc_6619B5 (third)
image_id = image_5;
} else {
image_id = image_1;
}
}
sub_98197C(image_id, offset.x, offset.y, box_size.x, box_size.y, 9, local_height, box_offset.x, box_offset.y, local_height + 1, rotation);
}
}
gPaintInteractionType = VIEWPORT_INTERACTION_ITEM_TERRAIN;
g141E9DB |= G141E9DB_FLAG_1;
switch (surfaceShape) {
default:
// loc_661C2C
// 00
// 00 00
// 00 00 00
// 00 00
// 00
paint_util_set_segment_support_height(
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(height, 0);
break;
case 1:
// loc_661CB9
// 00
// 00 00
// 01 01 01
// 1B 1B
// 1B
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_C8 | SEGMENT_CC, height, 0);
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height, 1);
paint_util_set_segment_support_height(SEGMENT_D0 | SEGMENT_D4, height + 6, 0x1B);
paint_util_set_segment_support_height(SEGMENT_C0, height + 6 + 6, 0x1B);
paint_util_force_set_general_support_height(height, 1);
break;
case 2:
// loc_661D4E
// 02
// 17 00
// 17 02 00
// 17 00
// 02
paint_util_set_segment_support_height(SEGMENT_BC | SEGMENT_CC | SEGMENT_D4, height, 0);
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height, 2);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_D0, height + 6, 0x17);
paint_util_set_segment_support_height(SEGMENT_B8, height + 6 + 6, 0x17);
paint_util_force_set_general_support_height(height, 2);
break;
case 3:
// loc_661DE3
// 03
// 03 03
// 03 03 03
// 03 03
// 03
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_CC | SEGMENT_BC, height + 2, 3);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_C4 | SEGMENT_D4, height + 2 + 6, 3);
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_D0 | SEGMENT_C0, height + 2 + 6 + 6, 3);
paint_util_force_set_general_support_height(height, 3);
break;
case 4:
// loc_661E7C
// 1E
// 1E 1E
// 04 04 04
// 00 00
// 00
paint_util_set_segment_support_height(SEGMENT_C0 | SEGMENT_D0 | SEGMENT_D4, height, 0);
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height, 4);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_CC, height + 6, 0x1E);
paint_util_set_segment_support_height(SEGMENT_B4, height + 6 + 6, 0x1E);
paint_util_force_set_general_support_height(height, 4);
break;
case 5:
// loc_661F11
// 1E ▓▓
// 1E 1E ▒▒ ▒▒
// 05 05 05 ░░ ░░ ░░
// 1B 1B ▒▒ ▒▒
// 1B ▓▓
paint_util_set_segment_support_height(SEGMENT_B4, height + 6 + 6, 0x1E);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_CC, height + 6, 0x1E);
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height, 5);
paint_util_set_segment_support_height(SEGMENT_D0 | SEGMENT_D4, height + 6, 0x1B);
paint_util_set_segment_support_height(SEGMENT_C0, height + 6 + 6, 0x1B);
paint_util_force_set_general_support_height(height, 5);
break;
case 6:
// loc_661FA6
// 06 ▓▓
// 06 06 ▓▓ ▒▒
// 06 06 06 ▓▓ ▒▒ ░░
// 06 06 ▒▒ ░░
// 06 ░░
paint_util_set_segment_support_height(SEGMENT_BC | SEGMENT_D4 | SEGMENT_C0, height + 2, 6);
paint_util_set_segment_support_height(SEGMENT_D0 | SEGMENT_C4 | SEGMENT_CC, height + 2 + 6, 6);
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_C8 | SEGMENT_B4, height + 2 + 6 + 6, 6);
paint_util_force_set_general_support_height(height, 6);
break;
case 7:
// loc_66203F
// 07 ▓▓
// 00 17 ▓▓ ▒▒
// 00 07 17 ▓▓ ▓▓ ░░
// 00 17 ▓▓ ▒▒
// 07 ▓▓
paint_util_set_segment_support_height(SEGMENT_BC, height + 4, 0x17);
paint_util_set_segment_support_height(SEGMENT_CC | SEGMENT_D4, height + 4 + 6, 0x17);
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height + 4 + 6 + 6, 7);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_D0 | SEGMENT_B8, height + 4 + 6 + 6, 0);
paint_util_force_set_general_support_height(height, 7);
break;
case 8:
// loc_6620D8
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_C8 | SEGMENT_D0, height, 0);
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height, 8);
paint_util_set_segment_support_height(SEGMENT_CC | SEGMENT_D4, height + 6, 0x1D);
paint_util_set_segment_support_height(SEGMENT_BC, height + 6 + 6, 0x1D);
paint_util_force_set_general_support_height(height, 8);
break;
case 9:
// loc_66216D
paint_util_force_set_general_support_height(height, 9);
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_C8 | SEGMENT_B8, height + 2, 9);
paint_util_set_segment_support_height(SEGMENT_D0 | SEGMENT_C4 | SEGMENT_CC, height + 2 + 6, 9);
paint_util_set_segment_support_height(SEGMENT_C0 | SEGMENT_D4 | SEGMENT_BC, height + 2 + 6 + 6, 9);
break;
case 10:
// loc_662206
paint_util_force_set_general_support_height(height, 0xA);
paint_util_set_segment_support_height(SEGMENT_B8, height + 6 + 6, 0x17);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_D0, height + 6, 0x17);
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height, 0xA);
paint_util_set_segment_support_height(SEGMENT_CC | SEGMENT_D4, height + 6, 0x1D);
paint_util_set_segment_support_height(SEGMENT_BC, height + 6 + 6, 0x1D);
break;
case 11:
// loc_66229B
paint_util_force_set_general_support_height(height, 0xB);
paint_util_set_segment_support_height(SEGMENT_B4, height + 4, 0x1B);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_CC, height + 4 + 6, 0x1B);
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height + 4 + 6 + 6, 0xB);
paint_util_set_segment_support_height(SEGMENT_D0 | SEGMENT_D4 | SEGMENT_C0, height + 4 + 6 + 6, 0);
break;
case 12:
// loc_662334
paint_util_force_set_general_support_height(height, 0xC);
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_D0 | SEGMENT_C0, height + 2, 0xC);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_C4 | SEGMENT_D4, height + 2 + 6, 0xC);
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_CC | SEGMENT_BC, height + 2 + 6 + 6, 0xC);
break;
case 13:
// loc_6623CD
paint_util_force_set_general_support_height(height, 0xD);
paint_util_set_segment_support_height(SEGMENT_B8, height + 4, 0x1D);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_D0, height + 4 + 6, 0x1D);
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height + 4 + 6 + 6, 0xD);
paint_util_set_segment_support_height(SEGMENT_CC | SEGMENT_D4 | SEGMENT_BC, height + 4 + 6 + 6, 0);
break;
case 14:
// loc_662466
paint_util_force_set_general_support_height(height, 0xE);
paint_util_set_segment_support_height(SEGMENT_C0, height + 4, 0x1E);
paint_util_set_segment_support_height(SEGMENT_D0 | SEGMENT_D4, height + 4 + 6, 0x1E);
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height + 4 + 6 + 6, 0xE);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_CC | SEGMENT_B4, height + 4 + 6 + 6, 0);
break;
case 23:
// loc_6624FF
paint_util_force_set_general_support_height(height, 0x17);
paint_util_set_segment_support_height(SEGMENT_BC, height + 4, 0x17);
paint_util_set_segment_support_height(SEGMENT_CC | SEGMENT_D4, height + 4 + 6, 0x17);
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height + 4 + 6 + 6, 0x17);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_D0, height + 4 + 6 + 6 + 6, 0x17);
paint_util_set_segment_support_height(SEGMENT_B8, height + 4 + 6 + 6 + 6 + 6, 0x17);
break;
case 27:
// loc_6625A0
paint_util_force_set_general_support_height(height, 0x1B);
paint_util_set_segment_support_height(SEGMENT_B4, height + 4, 0x1B);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_CC, height + 4 + 6, 0x1B);
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height + 4 + 6 + 6, 0x1B);
paint_util_set_segment_support_height(SEGMENT_D0 | SEGMENT_D4, height + 4 + 6 + 6 + 6, 0x1B);
paint_util_set_segment_support_height(SEGMENT_C0, height + 4 + 6 + 6 + 6 + 6, 0x1B);
break;
case 29:
// loc_662641
paint_util_force_set_general_support_height(height, 0x1D);
paint_util_set_segment_support_height(SEGMENT_B8, height + 4, 0x1D);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_D0, height + 4 + 6, 0x1D);
paint_util_set_segment_support_height(SEGMENT_B4 | SEGMENT_C4 | SEGMENT_C0, height + 4 + 6 + 6, 0x1D);
paint_util_set_segment_support_height(SEGMENT_CC | SEGMENT_D4, height + 4 + 6 + 6 + 6, 0x1D);
paint_util_set_segment_support_height(SEGMENT_BC, height + 4 + 6 + 6 + 6 + 6, 0x1D);
break;
case 30:
// loc_6626E2
paint_util_force_set_general_support_height(height, 0x1E);
paint_util_set_segment_support_height(SEGMENT_C0, height + 4, 0x1E);
paint_util_set_segment_support_height(SEGMENT_D0 | SEGMENT_D4, height + 4 + 6, 0x1E);
paint_util_set_segment_support_height(SEGMENT_B8 | SEGMENT_C4 | SEGMENT_BC, height + 4 + 6 + 6, 0x1E);
paint_util_set_segment_support_height(SEGMENT_C8 | SEGMENT_CC, height + 4 + 6 + 6 + 6, 0x1E);
paint_util_set_segment_support_height(SEGMENT_B4, height + 4 + 6 + 6 + 6 + 6, 0x1E);
break;
}
}
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