OpenRCT2/test/testpaint/generate.cpp

1174 lines
47 KiB
C++

/*****************************************************************************
* Copyright (c) 2014-2018 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#include "Data.h"
#include "FunctionCall.hpp"
#include "PaintIntercept.hpp"
#include "SegmentSupportHeightCall.hpp"
#include "SideTunnelCall.hpp"
#include "String.hpp"
#include "Utils.hpp"
#include <algorithm>
#include <cstdarg>
#include <cstring>
#include <openrct2/interface/Viewport.h>
#include <openrct2/rct2/RCT2.h>
#include <openrct2/ride/Ride.h>
#include <openrct2/ride/RideData.h>
#include <openrct2/ride/Track.h>
#include <openrct2/ride/TrackData.h>
#include <string>
#include <vector>
class PaintCodeGenerator
{
public:
int Generate(uint8_t rideType)
{
auto filename = "paint_" + std::to_string(rideType) + ".c";
FILE* file = fopen(filename.c_str(), "w");
if (file == nullptr)
{
fprintf(stderr, "Unable to save to ./%s\n", filename.c_str());
return 1;
}
_file = file;
_rideType = rideType;
_rideName = std::string(RideCodeNames[rideType]);
Generate();
fclose(file);
return 0;
}
private:
std::string _rideName;
uint8_t _rideType;
FILE* _file;
bool _conditionalSupports;
bool _invertedTrack;
void Generate()
{
GenerateCopyrightHeader();
GenerateIncludes();
GenerateTrackFunctions();
GenerateMainFunction();
}
void GenerateCopyrightHeader()
{
const char* copyrights[] = {
"/*****************************************************************************",
" * Copyright (c) 2014-2018 OpenRCT2 developers",
" *",
" * For a complete list of all authors, please refer to contributors.md",
" * Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2",
" *",
" * OpenRCT2 is licensed under the GNU General Public License version 3.",
" *****************************************************************************/",
};
for (const auto copyright : copyrights)
{
WriteLine(0, copyright);
}
WriteLine();
}
void GenerateIncludes()
{
const char* includes[] = {
"../../drawing/Drawing.h",
"../../paint/supports.h",
"../../interface/Viewport.h",
"../../paint/tile_element/tile_element.h",
"../../paint/paint.h",
"../../sprites.h",
"../../world/Map.h",
"../../world/Sprite.h",
"../ride_data.h",
"../TrackData.h",
"../track_paint.h",
};
for (auto include : includes)
{
WriteLine(0, "#include \"%s\"", include);
}
WriteLine();
}
void GenerateTrackFunctions()
{
for (int trackType = 0; trackType < 256; trackType++)
{
if (IsTrackTypeSupported(trackType))
{
GenerateTrackFunction(trackType);
WriteLine();
}
if (trackType == TrackElemType::EndStation)
{
const uint32_t* paintFunctionList = RideTypeTrackPaintFunctionsOld[_rideType];
WriteLine(
0, "/** rct2: 0x%08X, 0x%08X, 0x%08X */", paintFunctionList[TrackElemType::EndStation],
paintFunctionList[TrackElemType::BeginStation], paintFunctionList[TrackElemType::MiddleStation]);
WriteLine(
0,
"static void " + _rideName
+ "_track_station(uint8_t rideIndex, uint8_t trackSequence, uint8_t direction, int height, "
"TileElement * tileElement)");
WriteLine(0, "{");
WriteLine(0, "}");
WriteLine();
}
}
}
void GenerateTrackFunction(int trackType)
{
WriteLine(0, "/** rct2: 0x%08X */", RideTypeTrackPaintFunctionsOld[_rideType][trackType]);
WriteLine(
0,
"static void " + GetTrackFunctionName(trackType)
+ "(uint8_t rideIndex, uint8_t trackSequence, uint8_t direction, int height, TileElement * tileElement)");
WriteLine(0, "{");
if (!GenerateMirrorCall(1, trackType))
{
if (_rideType == RIDE_TYPE_MULTI_DIMENSION_ROLLER_COASTER || _rideType == RIDE_TYPE_FLYING_ROLLER_COASTER
|| _rideType == RIDE_TYPE_LAY_DOWN_ROLLER_COASTER)
{
WriteLine(1, "if (!tileElement->AsTrack()->IsInverted()) {");
_invertedTrack = false;
GenerateTrackFunctionBody(2, trackType);
WriteLine(1, "} else {");
_invertedTrack = true;
GenerateTrackFunctionBody(2, trackType);
WriteLine(1, "}");
}
else
{
_invertedTrack = false;
GenerateTrackFunctionBody(1, trackType);
}
}
WriteLine(0, "}");
}
void GenerateTrackFunctionBody(int tabs, int trackType)
{
int numSequences = Utils::getTrackSequenceCount(_rideType, trackType);
if (numSequences > 1)
{
WriteLine(tabs, "switch (trackSequence) {");
for (int trackSequence = 0; trackSequence < numSequences; trackSequence++)
{
WriteLine(tabs, "case %d:", trackSequence);
GenerateTrackSequence(tabs + 1, trackType, trackSequence);
WriteLine(tabs + 1, "break;");
}
WriteLine(tabs, "}");
}
else
{
GenerateTrackSequence(tabs, trackType, 0);
}
}
bool GenerateMirrorCall(int tabs, int trackType)
{
uint8_t mirrorTable[][3] = {
{ 0, TrackElemType::Down25, TrackElemType::Up25 },
{ 0, TrackElemType::Down60, TrackElemType::Up60 },
{ 0, TrackElemType::FlatToDown25, TrackElemType::Up25ToFlat },
{ 0, TrackElemType::Down25ToDown60, TrackElemType::Up60ToUp25 },
{ 0, TrackElemType::Down60ToDown25, TrackElemType::Up25ToUp60 },
{ 0, TrackElemType::Down25ToFlat, TrackElemType::FlatToUp25 },
{ 0, TrackElemType::LeftBankToDown25, TrackElemType::Up25ToRightBank },
{ 0, TrackElemType::RightBankToDown25, TrackElemType::Up25ToLeftBank },
{ 0, TrackElemType::Down25ToLeftBank, TrackElemType::RightBankToUp25 },
{ 0, TrackElemType::Down25ToRightBank, TrackElemType::LeftBankToUp25 },
{ 0, TrackElemType::RightBank, TrackElemType::LeftBank },
{ 0, TrackElemType::Down60ToFlat, TrackElemType::FlatToUp60 },
{ 0, TrackElemType::FlatToDown60, TrackElemType::Up60ToFlat },
{ 0, TrackElemType::Down25Covered, TrackElemType::Up25Covered },
{ 0, TrackElemType::Down60Covered, TrackElemType::Up60Covered },
{ 0, TrackElemType::FlatToDown25Covered, TrackElemType::Up25ToFlatCovered },
{ 0, TrackElemType::Down25ToDown60Covered, TrackElemType::Up60ToUp25Covered },
{ 0, TrackElemType::Down60ToDown25Covered, TrackElemType::Up25ToUp60Covered },
{ 0, TrackElemType::Down25ToFlatCovered, TrackElemType::FlatToUp25Covered },
{ 0, TrackElemType::Down25LeftBanked, TrackElemType::Up25RightBanked },
{ 0, TrackElemType::Down25RightBanked, TrackElemType::Up25LeftBanked },
{ 0, TrackElemType::Down90, TrackElemType::Up90 },
{ 0, TrackElemType::Down90ToDown60, TrackElemType::Up60ToUp90 },
// { 0, TrackElemType::Down60ToDown90, TrackElemType::Up90ToUp60 },
{ 0, TrackElemType::RightBankedDown25ToDown25, TrackElemType::Up25ToLeftBankedUp25 },
{ 0, TrackElemType::LeftBankedDown25ToDown25, TrackElemType::Up25ToRightBankedUp25 },
{ 0, TrackElemType::Down25ToRightBankedDown25, TrackElemType::LeftBankedUp25ToUp25 },
{ 0, TrackElemType::Down25ToLeftBankedDown25, TrackElemType::RightBankedUp25ToUp25 },
{ 0, TrackElemType::RightBankedDown25ToRightBankedFlat, TrackElemType::LeftBankedFlatToLeftBankedUp25 },
{ 0, TrackElemType::LeftBankedDown25ToLeftBankedFlat, TrackElemType::RightBankedFlatToRightBankedUp25 },
{ 0, TrackElemType::RightBankedFlatToRightBankedDown25, TrackElemType::LeftBankedUp25ToLeftBankedFlat },
{ 0, TrackElemType::LeftBankedFlatToLeftBankedDown25, TrackElemType::RightBankedUp25ToRightBankedFlat },
{ 0, TrackElemType::RightBankedDown25ToFlat, TrackElemType::FlatToLeftBankedUp25 },
{ 0, TrackElemType::LeftBankedDown25ToFlat, TrackElemType::FlatToRightBankedUp25 },
{ 0, TrackElemType::FlatToRightBankedDown25, TrackElemType::LeftBankedUp25ToFlat },
{ 0, TrackElemType::FlatToLeftBankedDown25, TrackElemType::RightBankedUp25ToFlat },
{ 1, TrackElemType::RightQuarterTurn5Tiles, TrackElemType::LeftQuarterTurn5Tiles },
{ 1, TrackElemType::BankedRightQuarterTurn5Tiles, TrackElemType::BankedLeftQuarterTurn5Tiles },
{ 1, TrackElemType::RightQuarterTurn5TilesDown25, TrackElemType::LeftQuarterTurn5TilesUp25 },
{ 1, TrackElemType::RightQuarterTurn5TilesCovered, TrackElemType::LeftQuarterTurn5TilesCovered },
{ 1, TrackElemType::RightBankedQuarterTurn5TileDown25, TrackElemType::LeftBankedQuarterTurn5TileUp25 },
{ 2, TrackElemType::LeftQuarterTurn5TilesDown25, TrackElemType::RightQuarterTurn5TilesUp25 },
{ 2, TrackElemType::LeftBankedQuarterTurn5TileDown25, TrackElemType::RightBankedQuarterTurn5TileUp25 },
{ 3, TrackElemType::RightQuarterTurn3Tiles, TrackElemType::LeftQuarterTurn3Tiles },
{ 3, TrackElemType::RightBankedQuarterTurn3Tiles, TrackElemType::LeftBankedQuarterTurn3Tiles },
{ 3, TrackElemType::RightQuarterTurn3TilesDown25, TrackElemType::LeftQuarterTurn3TilesUp25 },
{ 3, TrackElemType::RightQuarterTurn3TilesCovered, TrackElemType::LeftQuarterTurn3TilesCovered },
{ 3, TrackElemType::RightBankedQuarterTurn3TileDown25, TrackElemType::LeftBankedQuarterTurn3TileUp25 },
{ 4, TrackElemType::LeftQuarterTurn3TilesDown25, TrackElemType::RightQuarterTurn3TilesUp25 },
{ 4, TrackElemType::LeftBankedQuarterTurn3TileDown25, TrackElemType::RightBankedQuarterTurn3TileUp25 },
{ 5, TrackElemType::RightQuarterTurn1Tile, TrackElemType::LeftQuarterTurn1Tile },
{ 5, TrackElemType::RightQuarterTurn1TileDown60, TrackElemType::LeftQuarterTurn1TileUp60 },
{ 5, TrackElemType::RightQuarterTurn1TileDown90, TrackElemType::LeftQuarterTurn1TileUp90 },
{ 6, TrackElemType::LeftQuarterTurn1TileDown60, TrackElemType::RightQuarterTurn1TileUp60 },
{ 6, TrackElemType::LeftQuarterTurn1TileDown90, TrackElemType::RightQuarterTurn1TileUp90 },
{ 7, TrackElemType::RightEighthToOrthogonal, TrackElemType::LeftEighthToDiag },
{ 7, TrackElemType::RightEighthBankToOrthogonal, TrackElemType::LeftEighthBankToDiag },
{ 8, TrackElemType::LeftEighthToOrthogonal, TrackElemType::RightEighthToDiag },
{ 8, TrackElemType::LeftEighthBankToOrthogonal, TrackElemType::RightEighthBankToDiag },
{ 9, TrackElemType::RightHalfBankedHelixDownSmall, TrackElemType::LeftHalfBankedHelixUpSmall },
{ 10, TrackElemType::LeftHalfBankedHelixDownSmall, TrackElemType::RightHalfBankedHelixUpSmall },
{ 11, TrackElemType::RightHalfBankedHelixDownLarge, TrackElemType::LeftHalfBankedHelixUpLarge },
{ 12, TrackElemType::LeftHalfBankedHelixDownLarge, TrackElemType::RightHalfBankedHelixUpLarge },
{ 13, TrackElemType::Down60ToFlatLongBase, TrackElemType::FlatToUp60LongBase },
{ 13, TrackElemType::FlatToDown60LongBase, TrackElemType::Up60ToFlatLongBase },
{ 14, TrackElemType::RightCorkscrewDown, TrackElemType::LeftCorkscrewUp },
{ 15, TrackElemType::LeftCorkscrewDown, TrackElemType::RightCorkscrewUp },
{ 16, TrackElemType::HalfLoopDown, TrackElemType::HalfLoopUp },
{ 17, TrackElemType::InvertedFlatToDown90QuarterLoop, TrackElemType::Up90ToInvertedFlatQuarterLoop },
{ 18, TrackElemType::LeftBarrelRollDownToUp, TrackElemType::LeftBarrelRollUpToDown },
{ 18, TrackElemType::RightBarrelRollDownToUp, TrackElemType::RightBarrelRollUpToDown },
{ 19, TrackElemType::LeftLargeHalfLoopDown, TrackElemType::LeftLargeHalfLoopUp },
{ 19, TrackElemType::RightLargeHalfLoopDown, TrackElemType::RightLargeHalfLoopUp },
};
for (size_t i = 0; i < (sizeof(mirrorTable) / sizeof(mirrorTable[0])); i++)
{
if (mirrorTable[i][1] == trackType)
{
std::string destFuncName = GetTrackFunctionName(mirrorTable[i][2]);
switch (mirrorTable[i][0])
{
case 0:
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction + 2) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 1:
WriteLine(tabs, "trackSequence = mapLeftQuarterTurn5TilesToRightQuarterTurn5Tiles[trackSequence];");
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction - 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 2:
WriteLine(tabs, "trackSequence = mapLeftQuarterTurn5TilesToRightQuarterTurn5Tiles[trackSequence];");
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction + 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 3:
WriteLine(tabs, "trackSequence = mapLeftQuarterTurn3TilesToRightQuarterTurn3Tiles[trackSequence];");
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction - 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 4:
WriteLine(tabs, "trackSequence = mapLeftQuarterTurn3TilesToRightQuarterTurn3Tiles[trackSequence];");
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction + 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 5:
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction - 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 6:
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction + 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 7:
WriteLine(tabs, "trackSequence = mapLeftEighthTurnToOrthogonal[trackSequence];");
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction + 3) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 8:
WriteLine(tabs, "trackSequence = mapLeftEighthTurnToOrthogonal[trackSequence];");
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction + 2) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 9:
WriteLine(tabs, "if (trackSequence >= 4) {");
WriteLine(tabs + 1, "trackSequence -= 4;");
WriteLine(tabs + 1, "direction = (direction + 1) & 3;");
WriteLine(tabs, "}");
WriteLine(tabs, "trackSequence = mapLeftQuarterTurn3TilesToRightQuarterTurn3Tiles[trackSequence];");
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction - 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 10:
WriteLine(tabs, "if (trackSequence >= 4) {");
WriteLine(tabs + 1, "trackSequence -= 4;");
WriteLine(tabs + 1, "direction = (direction - 1) & 3;");
WriteLine(tabs, "}");
WriteLine(tabs, "trackSequence = mapLeftQuarterTurn3TilesToRightQuarterTurn3Tiles[trackSequence];");
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction + 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 11:
WriteLine(tabs, "if (trackSequence >= 7) {");
WriteLine(tabs + 1, "trackSequence -= 7;");
WriteLine(tabs + 1, "direction = (direction + 1) & 3;");
WriteLine(tabs, "}");
WriteLine(tabs, "trackSequence = mapLeftQuarterTurn5TilesToRightQuarterTurn5Tiles[trackSequence];");
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction - 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 12:
WriteLine(tabs, "if (trackSequence >= 7) {");
WriteLine(tabs + 1, "trackSequence -= 7;");
WriteLine(tabs + 1, "direction = (direction - 1) & 3;");
WriteLine(tabs, "}");
WriteLine(tabs, "trackSequence = mapLeftQuarterTurn5TilesToRightQuarterTurn5Tiles[trackSequence];");
WriteLine(
tabs, "%s(rideIndex, trackSequence, (direction + 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 13:
WriteLine(
tabs, "%s(rideIndex, 3 - trackSequence, (direction + 2) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 14:
WriteLine(
tabs, "%s(rideIndex, 2 - trackSequence, (direction - 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 15:
WriteLine(
tabs, "%s(rideIndex, 2 - trackSequence, (direction + 1) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 16:
WriteLine(
tabs, "%s(rideIndex, 3 - trackSequence, direction, height, tileElement);", destFuncName.c_str());
break;
case 17:
WriteLine(
tabs, "%s(rideIndex, 2 - trackSequence, direction, height, tileElement);", destFuncName.c_str());
break;
case 18:
WriteLine(
tabs, "%s(rideIndex, 2 - trackSequence, (direction + 2) & 3, height, tileElement);",
destFuncName.c_str());
break;
case 19:
WriteLine(
tabs, "%s(rideIndex, 6 - trackSequence, direction, height, tileElement);", destFuncName.c_str());
break;
}
return true;
}
}
return false;
}
void ExtractMetalSupportCalls(std::vector<function_call> calls[4], std::vector<function_call> output[4])
{
for (int direction = 0; direction < 4; direction++)
{
auto cutPoint = std::find_if(calls[direction].begin(), calls[direction].end(), [](function_call call) {
return (call.function == SUPPORTS_METAL_A || call.function == SUPPORTS_METAL_B);
});
output[direction].insert(output[direction].begin(), cutPoint, calls[direction].end());
calls[direction].erase(cutPoint, calls[direction].end());
}
}
void GenerateTrackSequence(int tabs, int trackType, int trackSequence)
{
int height = 48;
_conditionalSupports = false;
bool blockSegmentsBeforeSupports = false;
std::vector<function_call> calls[4], chainLiftCalls[4], cableLiftCalls[4];
TunnelCall tileTunnelCalls[4][4];
int16_t verticalTunnelHeights[4];
std::vector<SegmentSupportCall> segmentSupportCalls[4];
support_height generalSupports[4] = {};
for (int direction = 0; direction < 4; direction++)
{
TileElement tileElement = {};
tileElement.SetType(TileElementType::Track);
tileElement.SetLastForTile(true);
tileElement.AsTrack()->SetTrackType(trackType);
tileElement.base_height = 3;
if (_invertedTrack)
{
tileElement.AsTrack()->SetInverted(true);
}
g_currently_drawn_item = &tileElement;
// Set position
RCT2_GLOBAL(0x009DE56A, int16_t) = 64;
RCT2_GLOBAL(0x009DE56E, int16_t) = 64;
function_call callBuffer[256] = {};
PaintIntercept::ClearCalls();
CallOriginal(trackType, direction, trackSequence, height, &tileElement);
int numCalls = PaintIntercept::GetCalls(callBuffer);
calls[direction].insert(calls[direction].begin(), callBuffer, callBuffer + numCalls);
for (auto&& call : calls[direction])
{
if (call.function == SET_SEGMENT_HEIGHT)
{
blockSegmentsBeforeSupports = true;
break;
}
}
segmentSupportCalls[direction] = SegmentSupportHeightCall::getSegmentCalls(gSupportSegments, direction);
generalSupports[direction] = gSupport;
if (gSupport.slope != 0xFF && gSupport.height != 0)
{
generalSupports[direction].height -= height;
}
// Get chain lift calls
tileElement.AsTrack()->SetHasChain(true);
PaintIntercept::ClearCalls();
CallOriginal(trackType, direction, trackSequence, height, &tileElement);
numCalls = PaintIntercept::GetCalls(callBuffer);
chainLiftCalls[direction].insert(chainLiftCalls[direction].begin(), callBuffer, callBuffer + numCalls);
// Get cable lift calls (giga coaster only)
if (_rideType == RIDE_TYPE_GIGA_COASTER)
{
tileElement.type = 0;
tileElement.AsTrack()->SetHasCableLift(true);
PaintIntercept::ClearCalls();
CallOriginal(trackType, direction, trackSequence, height, &tileElement);
numCalls = PaintIntercept::GetCalls(callBuffer);
cableLiftCalls[direction].insert(cableLiftCalls[direction].begin(), callBuffer, callBuffer + numCalls);
}
// Check a different position for direction 0 to see if supports are different
if (direction == 0)
{
RCT2_GLOBAL(0x009DE56A, int16_t) = 64 + 32;
RCT2_GLOBAL(0x009DE56E, int16_t) = 64;
tileElement.type = 0;
tileElement.AsTrack()->SetHasCableLift(false);
PaintIntercept::ClearCalls();
CallOriginal(trackType, direction, trackSequence, height, &tileElement);
numCalls = PaintIntercept::GetCalls(callBuffer);
std::vector<function_call> checkCalls = std::vector<function_call>(callBuffer, callBuffer + numCalls);
if (!CompareFunctionCalls(checkCalls, calls[direction]))
{
_conditionalSupports = true;
}
}
GetTunnelCalls(trackType, direction, trackSequence, height, &tileElement, tileTunnelCalls, verticalTunnelHeights);
}
std::vector<function_call> supportCalls[4], chainLiftSupportCalls[4], cableLiftSupportCalls[4];
if (blockSegmentsBeforeSupports)
{
ExtractMetalSupportCalls(calls, supportCalls);
ExtractMetalSupportCalls(cableLiftCalls, cableLiftSupportCalls);
ExtractMetalSupportCalls(chainLiftCalls, chainLiftSupportCalls);
}
if (_rideType == RIDE_TYPE_GIGA_COASTER && !CompareFunctionCalls(calls, cableLiftCalls))
{
WriteLine(tabs, "if (tileElement->AsTrack()->HasCableLift()) {");
GenerateCalls(tabs + 1, cableLiftCalls, height);
if (!CompareFunctionCalls(calls, chainLiftCalls))
{
WriteLine(tabs, "} else if (tileElement->AsTrack()->HasChain()) {");
GenerateCalls(tabs + 1, chainLiftCalls, height);
}
WriteLine(tabs, "} else {");
GenerateCalls(tabs + 1, calls, height);
WriteLine(tabs, "}");
}
else if (!CompareFunctionCalls(calls, chainLiftCalls))
{
WriteLine(tabs, "if (tileElement->AsTrack()->HasChain()) {");
GenerateCalls(tabs + 1, chainLiftCalls, height);
WriteLine(tabs, "} else {");
GenerateCalls(tabs + 1, calls, height);
WriteLine(tabs, "}");
}
else
{
GenerateCalls(tabs, calls, height);
}
if (blockSegmentsBeforeSupports)
{
if (_rideType == RIDE_TYPE_GIGA_COASTER && !CompareFunctionCalls(supportCalls, cableLiftSupportCalls))
{
printf("Error: Supports differ for cable lift.\n");
}
else if (!CompareFunctionCalls(supportCalls, chainLiftSupportCalls))
{
printf("Error: Supports differ for chain lift\n");
}
WriteLine();
GenerateSegmentSupportCall(tabs, segmentSupportCalls);
bool conditionalSupports = _conditionalSupports;
_conditionalSupports = false;
if (conditionalSupports)
{
WriteLine(tabs, "if (track_paint_util_should_paint_supports(gPaintMapPosition)) {");
tabs++;
}
GenerateCalls(tabs, supportCalls, height);
if (conditionalSupports)
{
tabs--;
WriteLine(tabs, "}");
}
WriteLine();
}
GenerateTunnelCall(tabs, tileTunnelCalls, verticalTunnelHeights);
if (!blockSegmentsBeforeSupports)
{
GenerateSegmentSupportCall(tabs, segmentSupportCalls);
}
GenerateGeneralSupportCall(tabs, generalSupports);
}
void GenerateCalls(int tabs, std::vector<function_call> calls[4], int height)
{
std::vector<function_call> commonCalls = TrimCommonCallsEnd(calls);
int totalCalls = 0;
for (int direction = 0; direction < 4; direction++)
{
totalCalls += calls[direction].size();
}
if (totalCalls != 0)
{
WriteLine(tabs, "switch (direction) {");
for (int direction = 0; direction < 4; direction++)
{
if (calls[direction].empty())
continue;
WriteLine(tabs, "case %d:", direction);
for (int d2 = direction + 1; d2 < 4; d2++)
{
if (CompareFunctionCalls(calls[direction], calls[d2]))
{
// Clear identical other direction calls and add case for it
calls[d2].clear();
WriteLine(tabs, "case %d:", d2);
}
}
for (auto call : calls[direction])
{
GenerateCalls(tabs + 1, call, height, direction);
}
WriteLine(tabs + 1, "break;");
}
WriteLine(tabs, "}");
}
for (auto call : commonCalls)
{
GenerateCalls(tabs, call, height, 0);
}
}
void GenerateCalls(int tabs, const function_call& call, int height, int direction)
{
switch (call.function)
{
case PAINT_98196C:
case PAINT_98197C:
case PAINT_98198C:
case PAINT_98199C:
GeneratePaintCall(tabs, call, height, direction);
break;
case SUPPORTS_METAL_A:
case SUPPORTS_METAL_B:
{
int callTabs = tabs;
if (_conditionalSupports)
{
WriteLine(tabs, "if (track_paint_util_should_paint_supports(gPaintMapPosition)) {");
callTabs++;
}
WriteLine(
callTabs, "%s(%d, %d, %d, height%s, %s);", GetFunctionCallName(call.function), call.supports.type,
call.supports.segment, call.supports.special,
GetOffsetExpressionString(call.supports.height - height).c_str(),
GetImageIdString(call.supports.colour_flags).c_str());
if (_conditionalSupports)
{
WriteLine(tabs, "}");
}
break;
}
case SUPPORTS_WOOD_A:
case SUPPORTS_WOOD_B:
WriteLine(
tabs, "%s(%d, %d, height%s, %s, NULL);", GetFunctionCallName(call.function), call.supports.type,
call.supports.special, GetOffsetExpressionString(call.supports.height - height).c_str(),
GetImageIdString(call.supports.colour_flags).c_str());
break;
}
}
void GeneratePaintCall(int tabs, const function_call& call, int height, int direction)
{
const char* funcName = GetFunctionCallName(call.function);
std::string imageId = GetImageIdString(call.paint.image_id);
std::string s = String::Format("%s_rotated(direction, %s, ", funcName, imageId.c_str());
s += FormatXYSwap(call.paint.offset.x, call.paint.offset.y, direction);
s += ", ";
s += FormatXYSwap(call.paint.bound_box_length.x, call.paint.bound_box_length.y, direction);
s += String::Format(
", %d, height%s", call.paint.bound_box_length.z, GetOffsetExpressionString(call.paint.z_offset - height).c_str());
if (call.function != PAINT_98196C)
{
s += ", ";
s += FormatXYSwap(call.paint.bound_box_offset.x, call.paint.bound_box_offset.y, direction);
s += String::Format(", height%s", GetOffsetExpressionString(call.paint.bound_box_offset.z - height).c_str());
}
s += ");";
WriteLine(tabs, s);
}
std::string FormatXYSwap(int16_t x, int16_t y, int direction)
{
if (direction & 1)
{
return String::Format("%d, %d", y, x);
}
else
{
return String::Format("%d, %d", x, y);
}
}
std::vector<function_call> TrimCommonCallsEnd(std::vector<function_call> calls[4])
{
std::vector<function_call> commonCalls;
while (calls[0].size() != 0)
{
function_call lastCall = calls[0].back();
for (int i = 0; i < 4; i++)
{
if (calls[i].empty() || !CompareFunctionCall(calls[i].back(), lastCall))
{
goto finished;
}
}
for (int i = 0; i < 4; i++)
{
calls[i].pop_back();
}
commonCalls.push_back(lastCall);
}
finished:
return commonCalls;
}
bool CompareFunctionCalls(const std::vector<function_call> a[4], const std::vector<function_call> b[4])
{
for (size_t i = 0; i < 4; i++)
{
if (!CompareFunctionCalls(a[i], b[i]))
{
return false;
}
}
return true;
}
bool CompareFunctionCalls(const std::vector<function_call>& a, const std::vector<function_call>& b)
{
if (a.size() != b.size())
return false;
for (size_t i = 0; i < a.size(); i++)
{
if (!CompareFunctionCall(a[i], b[i]))
{
return false;
}
}
return true;
}
bool CompareFunctionCall(const function_call a, const function_call& b)
{
return FunctionCall::AssertsEquals(a, b);
}
const char* GetFunctionCallName(int function)
{
const char* functionNames[] = {
"sub_98196C",
"sub_98197C",
"sub_98198C",
"sub_98199C",
"metal_a_supports_paint_setup",
"metal_b_supports_paint_setup",
"wooden_a_supports_paint_setup",
"wooden_b_supports_paint_setup",
};
return functionNames[function];
}
bool GetTunnelCalls(
int trackType, int direction, int trackSequence, int height, TileElement* tileElement, TunnelCall tileTunnelCalls[4][4],
int16_t verticalTunnelHeights[4])
{
TestPaint::ResetTunnels();
for (int offset = -8; offset <= 8; offset += 8)
{
CallOriginal(trackType, direction, trackSequence, height + offset, tileElement);
}
uint8_t rightIndex = (4 - direction) % 4;
uint8_t leftIndex = (rightIndex + 1) % 4;
for (int i = 0; i < 4; ++i)
{
tileTunnelCalls[direction][i].call = TUNNELCALL_SKIPPED;
}
if (gRightTunnelCount == 0)
{
tileTunnelCalls[direction][rightIndex].call = TUNNELCALL_NONE;
}
else if (gRightTunnelCount == 3)
{
tileTunnelCalls[direction][rightIndex].call = TUNNELCALL_CALL;
tileTunnelCalls[direction][rightIndex].offset = SideTunnelCall::GetTunnelOffset(height, gRightTunnels);
tileTunnelCalls[direction][rightIndex].type = gRightTunnels[0].type;
}
else
{
printf("Multiple tunnels on one side aren't supported.\n");
return false;
}
if (gLeftTunnelCount == 0)
{
tileTunnelCalls[direction][leftIndex].call = TUNNELCALL_NONE;
}
else if (gLeftTunnelCount == 3)
{
tileTunnelCalls[direction][leftIndex].call = TUNNELCALL_CALL;
tileTunnelCalls[direction][leftIndex].offset = SideTunnelCall::GetTunnelOffset(height, gLeftTunnels);
tileTunnelCalls[direction][leftIndex].type = gLeftTunnels[0].type;
}
else
{
printf("Multiple tunnels on one side aren't supported.\n");
return false;
}
// Vertical tunnel
gVerticalTunnelHeight = 0;
CallOriginal(trackType, direction, trackSequence, height, tileElement);
int verticalTunnelHeight = gVerticalTunnelHeight;
if (verticalTunnelHeight != 0)
{
verticalTunnelHeight = (verticalTunnelHeight * 16) - height;
}
verticalTunnelHeights[direction] = verticalTunnelHeight;
return true;
}
void GenerateTunnelCall(int tabs, TunnelCall tileTunnelCalls[4][4], int16_t verticalTunnelHeights[4])
{
constexpr uint8_t TunnelLeft = 0;
constexpr uint8_t TunnelRight = 1;
constexpr uint8_t TunnelNA = 255;
static const uint8_t dsToWay[4][4] = {
{ TunnelRight, TunnelLeft, TunnelNA, TunnelNA },
{ TunnelLeft, TunnelNA, TunnelNA, TunnelRight },
{ TunnelNA, TunnelNA, TunnelRight, TunnelLeft },
{ TunnelNA, TunnelRight, TunnelLeft, TunnelNA },
};
int16_t tunnelOffset[4] = { 0 };
uint8_t tunnelType[4] = { 0xFF, 0xFF, 0xFF, 0xFF };
for (int direction = 0; direction < 4; direction++)
{
for (int side = 0; side < 4; side++)
{
auto tunnel = tileTunnelCalls[direction][side];
if (tunnel.call == TUNNELCALL_CALL)
{
tunnelOffset[direction] = tunnel.offset;
tunnelType[direction] = tunnel.type;
break;
}
}
}
if (AllMatch(tunnelOffset, 4) && AllMatch(tunnelType, 4))
{
if (tunnelType[0] != 0xFF)
{
GenerateTunnelCall(tabs, tunnelOffset[0], tunnelType[0]);
}
}
else if (
tunnelOffset[0] == tunnelOffset[3] && tunnelType[0] == tunnelType[3] && tunnelOffset[1] == tunnelOffset[2]
&& tunnelType[1] == tunnelType[2] && tunnelType[0] != 0xFF)
{
if (tunnelType[0] != 0xFF)
{
WriteLine(tabs, "if (direction == 0 || direction == 3) {");
GenerateTunnelCall(tabs + 1, tunnelOffset[0], tunnelType[0]);
if (tunnelType[1] != 0xFF)
{
WriteLine(tabs, "} else {");
GenerateTunnelCall(tabs + 1, tunnelOffset[1], tunnelType[1]);
}
WriteLine(tabs, "}");
}
else
{
WriteLine(tabs, "if (direction == 1 || direction == 2) {");
GenerateTunnelCall(tabs + 1, tunnelOffset[1], tunnelType[1]);
WriteLine(tabs, "}");
}
}
else
{
WriteLine(tabs, "switch (direction) {");
for (int i = 0; i < 4; i++)
{
if (tunnelType[i] != 0xFF)
{
WriteLine(tabs, "case %d:", i);
for (int side = 0; side < 4; side++)
{
if (tileTunnelCalls[i][side].call == TUNNELCALL_CALL)
{
GenerateTunnelCall(
tabs + 1, tileTunnelCalls[i][side].offset, tileTunnelCalls[i][side].type, dsToWay[i][side]);
}
}
WriteLine(tabs + 1, "break;");
}
}
WriteLine(tabs, "}");
}
if (AllMatch(verticalTunnelHeights, 4))
{
int tunnelHeight = verticalTunnelHeights[0];
if (tunnelHeight != 0)
{
WriteLine(
tabs, "paint_util_set_vertical_tunnel(session, height%s);",
GetOffsetExpressionString(tunnelHeight).c_str());
}
}
}
void GenerateTunnelCall(int tabs, int offset, int type, int way)
{
switch (way)
{
case 0:
WriteLine(
tabs, "paint_util_push_tunnel_left(session, height%s, TUNNEL_%d);",
GetOffsetExpressionString(offset).c_str(), type);
break;
case 1:
WriteLine(
tabs, "paint_util_push_tunnel_right(session, height%s, TUNNEL_%d);",
GetOffsetExpressionString(offset).c_str(), type);
break;
}
}
void GenerateTunnelCall(int tabs, int offset, int type)
{
WriteLine(
tabs, "paint_util_push_tunnel_rotated(session, direction, height%s, TUNNEL_%d);",
GetOffsetExpressionString(offset).c_str(), type);
}
void GenerateSegmentSupportCall(int tabs, std::vector<SegmentSupportCall> segmentSupportCalls[4])
{
for (size_t i = 0; i < segmentSupportCalls[0].size(); i++)
{
auto ssh = segmentSupportCalls[0][i];
std::string szCall = "paint_util_set_segment_support_height(session, ";
if (ssh.segments == SEGMENTS_ALL)
{
szCall += "SEGMENTS_ALL";
}
else
{
szCall += "paint_util_rotate_segments(";
szCall += GetORedSegments(ssh.segments);
szCall += ", direction)";
}
szCall += ", ";
if (ssh.height == 0xFFFF)
{
szCall += "0xFFFF";
szCall += String::Format(", 0);", ssh.slope);
}
else
{
szCall += std::to_string(ssh.height);
szCall += String::Format(", 0x%02X);", ssh.slope);
}
WriteLine(tabs, szCall);
}
}
void GenerateGeneralSupportCall(int tabs, support_height generalSupports[4])
{
if (generalSupports[0].height == 0 && generalSupports[0].slope == 0xFF)
{
return;
}
WriteLine(
tabs, "paint_util_set_general_support_height(session, height%s, 0x%02X);",
GetOffsetExpressionString((int16_t)generalSupports[0].height).c_str(), generalSupports[0].slope);
if (!AllMatch(generalSupports, 4))
{
// WriteLine(tabs, "#error Unsupported: different directional general supports");
}
}
std::string GetImageIdString(uint32_t imageId)
{
std::string result;
uint32_t image = imageId & 0x7FFFF;
uint32_t palette = imageId & ~0x7FFFF;
std::string paletteName;
if (palette == TestPaint::DEFAULT_SCHEME_TRACK)
paletteName = "gTrackColours[SCHEME_TRACK]";
else if (palette == TestPaint::DEFAULT_SCHEME_SUPPORTS)
paletteName = "gTrackColours[SCHEME_SUPPORTS]";
else if (palette == TestPaint::DEFAULT_SCHEME_MISC)
paletteName = "gTrackColours[SCHEME_MISC]";
else if (palette == TestPaint::DEFAULT_SCHEME_3)
paletteName = "gTrackColours[SCHEME_3]";
else
{
paletteName = String::Format("0x%08X", palette);
}
if (image == 0)
{
result = paletteName;
}
else if (image & 0x70000)
{
result = String::Format("%s | vehicle.base_image_id + %d", paletteName.c_str(), image & ~0x70000);
}
else
{
result = String::Format("%s | %d", paletteName.c_str(), image);
}
return result;
}
std::string GetOffsetExpressionString(int offset)
{
if (offset < 0)
return std::string(" - ") + std::to_string(-offset);
if (offset > 0)
return std::string(" + ") + std::to_string(offset);
return std::string();
}
std::string GetORedSegments(int segments)
{
std::string s;
int segmentsPrinted = 0;
for (int i = 0; i < 9; i++)
{
if (segments & segment_offsets[i])
{
if (segmentsPrinted > 0)
{
s += " | ";
}
s += String::Format("SEGMENT_%02X", 0xB4 + 4 * i);
segmentsPrinted++;
}
}
return s;
}
template<typename T> bool AllMatch(T* arr, size_t count)
{
for (size_t i = 1; i < count; i++)
{
if (memcmp((const void*)&arr[i], (const void*)&arr[0], sizeof(T)) != 0)
{
return false;
}
}
return true;
}
void CallOriginal(int trackType, int direction, int trackSequence, int height, TileElement* tileElement)
{
TestPaint::ResetEnvironment();
TestPaint::ResetSupportHeights();
uint32_t* trackDirectionList = (uint32_t*)RideTypeTrackPaintFunctionsOld[_rideType][trackType];
// Have to call from this point as it pushes esi and expects callee to pop it
RCT2_CALLPROC_X(
0x006C4934, _rideType, (int)trackDirectionList, direction, height, (int)tileElement, 0 * sizeof(Ride),
trackSequence);
}
void GenerateMainFunction()
{
WriteLine(0, "TRACK_PAINT_FUNCTION get_track_paint_function_" + _rideName + "(int trackType, int direction)");
WriteLine(0, "{");
WriteLine(1, "switch (trackType) {");
for (int trackType = 0; trackType < 256; trackType++)
{
if (trackType == TrackElemType::EndStation)
{
WriteLine(1, "case " + std::string(TrackElemNames[TrackElemType::EndStation]) + ":");
WriteLine(1, "case " + std::string(TrackElemNames[TrackElemType::BeginStation]) + ":");
WriteLine(1, "case " + std::string(TrackElemNames[TrackElemType::MiddleStation]) + ":");
WriteLine(2, "return %s_track_station;", _rideName.c_str());
continue;
}
if (IsTrackTypeSupported(trackType))
{
WriteLine(1, "case " + std::string(TrackElemNames[trackType]) + ":");
WriteLine(2, "return %s;", GetTrackFunctionName(trackType).c_str());
}
}
WriteLine(1, "}");
WriteLine(1, "return nullptr;");
WriteLine(0, "}");
}
std::string GetTrackFunctionName(int trackType)
{
std::string trackName = TrackCodeNames[trackType];
return _rideName + "_track_" + trackName;
}
bool IsTrackTypeSupported(int trackType)
{
if (trackType == TrackElemType::BeginStation || trackType == TrackElemType::MiddleStation
|| trackType == TrackElemType::EndStation)
{
return false;
}
if (RideTypeTrackPaintFunctionsOld[_rideType][trackType] != 0)
{
return true;
}
return false;
}
void WriteLine()
{
WriteLine(0, "");
}
void WriteLine(int tabs, const char* format, ...)
{
va_list args;
char buffer[512];
va_start(args, format);
vsnprintf(buffer, sizeof(buffer), format, args);
va_end(args);
WriteLine(tabs, std::string(buffer));
}
void WriteLine(int tabs, std::string s)
{
for (int i = 0; i < tabs; i++)
{
fprintf(_file, "\t");
}
fprintf(_file, "%s\n", s.c_str());
}
};
int generatePaintCode(uint8_t rideType)
{
if (GetRideTypeDescriptor(rideType).HasFlag(RIDE_TYPE_FLAG_FLAT_RIDE))
{
fprintf(stderr, "Flat rides not supported.\n");
}
auto pcg = PaintCodeGenerator();
return pcg.Generate(rideType);
}