public static void PerformRegionRelocation(Region region, RelocationTable table, sbyte area = -1)
{
// This is fake rom but it works anyways, just more convenient
ROM rom = new ROM(region.data);
RegionParseState state = new RegionParseState();
state.area = area;
byte curCmdIndex;
while (rom.offset < region.length)
{
curCmdIndex = rom.Read8();
byte curCmdSize = rom.Read8(1);
if (curCmdSize == 0)
{
throw new ArgumentException("cmd size is 0, loop detected");
}
RelocationParseCmd func = relocationParser[curCmdIndex];
func(rom, table, state);
if (curCmdIndex != 0x7)
{
rom.AddOffset(curCmdSize);
}
}
}
private static void RegionParse_cmd06(ROM rom, List <Region> regions, RegionParseState state)
{
int segment = rom.Read8(4);
if (segment != 0x0e)
{
return;
}
int type = rom.Read8(1);
if (type != 0)
{
throw new NotSupportedException("Terminating Branch not supported!");
}
int segmentedAddress = rom.Read32(4);
int address = rom.GetROMAddress(segmentedAddress);
List <Region> regionsBranch = new List <Region>();
RegionParseState stateBranch = PerformRegionParseInternal(rom, regionsBranch, address, 0);
// TODO: Copy/update more if needed
if (stateBranch.FDAddress != -1)
{
state.FDAddress = stateBranch.FDAddress;
}
foreach (Region region in regionsBranch)
{
state.textureData.AddRegion(region.romStart, region.length);
}
}
public static void PerformRegionParse(ROM rom, List <Region> regions, int offset)
{
rom.PushOffset(offset);
try
{
int cmd = 0;
do
{
if (rom.Read8() != 0x00)
{
throw new ArgumentException("invalid instruction");
}
cmd = rom.Read8(1);
if (cmd >= 0x40 && cmd <= 0x44)
{
parser[cmd - 0x40](rom, regions);
}
else
{
RegionParse_common(rom, regions);
}
}while (cmd != 0x42);
Region region = new DynamicRegion(offset, rom.offset - offset, RegionState.Collision);
regions.Add(region);
}
finally
{
rom.PopOffset();
}
}
private static void RegionParse_cmd15(ROM rom, List <Region> regions)
{
int segment = rom.Read8(4);
if (segment != 0x0e)
{
return;
}
int segmentedAddress = rom.Read32(4);
int address = (int)rom.GetROMAddress(segmentedAddress);
DisplayList.PerformRegionParse(rom, regions, address, rom.Read8(1));
}
private static void RegionParse_cmd2E(ROM rom, List <Region> regions, RegionParseState state)
{
int segmentedAddress = rom.Read32(4);
int segment = rom.Read8(4);
// Only 0x19 or 0x0E commands are supported
if (segment != 0x19 && segment != 0x0E)
{
return;
}
try
{
List <Region> collisionRegions = new List <Region>();
Collision.PerformRegionParse(rom, collisionRegions, (int)rom.GetROMAddress(segmentedAddress));
foreach (Region region in collisionRegions)
{
region.area = state.area;
}
regions.AddRange(collisionRegions);
}
catch (NotSupportedException e)
{
MessageBox.Show(String.Format("Model {0} collision parsing is not supported! Reason : '{1}'", state.area, e.Message), "Level Parser", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (Exception e)
{
MessageBox.Show(String.Format("Failed to parse model {0} collision! Reason : '{1}'", state.area, e.Message), "Level Parser", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private static void OptimizeParse_cmd04(ROM rom, DisplayListRegion region, RegionOptimizeState state)
{
// initial state
if (state.last04Cmd == 0)
{
state.last04Cmd = rom.Read64();
return;
}
Int64 cmd = rom.Read64();
// if current 04 loads the same vertices, remove current cmd
if (cmd == state.last04Cmd)
{
rom.Write64(0);
return;
}
// new vertices are being loaded, update the thing
state.last04Cmd = cmd;
// if previous cmd is 0x04, it will be overriden by current 04 anyways
if (rom.Read8(-8) == 0x04)
{
rom.Write64(0, -8);
}
}
public static void PerformRegionRelocation(Region region, RelocationTable table)
{
// This is fake rom but it works anyways, just more convenient
ROM rom = new ROM(region.data);
byte cmd;
do
{
cmd = rom.Read8();
int cmdSize = cmdSizeTable[cmd];
if (cmdSize == 0)
{
throw new ArgumentException("Loop detected");
}
RelocationParseCmd func = relocationParser[cmd];
func(rom, table);
if (cmdSize != 0xFF)
{
rom.AddOffset(cmdSize);
}
}while (rom.offset < region.length);
}
private static void RegionParse_common(ROM rom, List <Region> regions)
{
// Triangles of any collision
int size = rom.Read16(2);
if (size == 0)
{
throw new ArgumentException("common collision loop detected");
}
int collType = rom.Read8(1);
int triangleSize = 6;
switch (collType)
{
case 0x0E:
case 0x24:
case 0x25:
case 0x27:
case 0x2C:
case 0x2D:
triangleSize = 8;
break;
}
rom.AddOffset(4 + size * triangleSize);
}
private static void TriangleMapParse_cmd04(ROM rom, TriangleMap map, TriangleMapParseState state)
{
state.vertexLoadCmd = (UInt64)rom.Read64();
byte vertexDesc = rom.Read8(1);
byte vertexCount = (byte)(((vertexDesc & 0xF0) >> 4) + 1);
byte vertexOffset = (byte)((vertexDesc & 0x0F));
Int32 vertexSegmentedAddress = rom.Read32(4);
state.segmentedVertexBufferAddress = vertexSegmentedAddress;
Int32 romPtr = rom.GetROMAddress(vertexSegmentedAddress);
if (romPtr == -1)
{
throw new ArgumentException("Invalid segmented address!");
}
rom.PushOffset(romPtr);
for (int vertex = vertexOffset; vertex < vertexCount; vertex++)
{
Int64 lo = rom.Read64();
Int64 hi = rom.Read64(8);
state.vbuf[vertex] = new Vertex((UInt64)lo, (UInt64)hi);
state.vbufRomStart[vertex] = rom.offset;
state.scrollBuf[vertex] = FindMatchingScroll(state.scrolls, vertexSegmentedAddress, state.td);
rom.AddOffset(0x10);
vertexSegmentedAddress += 0x10;
}
rom.PopOffset();
}
private static void TriangleMapParse_cmdBF(ROM rom, TriangleMap map, TriangleMapParseState state)
{
state.isHeader = false;
state.state = VisualMapParseStateCmd.Footer;
byte v0index = (byte)(rom.Read8(5) / 0xA);
byte v1index = (byte)(rom.Read8(6) / 0xA);
byte v2index = (byte)(rom.Read8(7) / 0xA);
state.vertexBytes.AddRegion(state.vbufRomStart[v0index], 0x10);
state.vertexBytes.AddRegion(state.vbufRomStart[v1index], 0x10);
state.vertexBytes.AddRegion(state.vbufRomStart[v2index], 0x10);
// This assumes all scrolls are scrolling at the same speed which is usually true :3
if (state.scrollBuf[v0index] != state.scrollBuf[v1index] ||
state.scrollBuf[v0index] != state.scrollBuf[v2index] ||
state.scrollBuf[v1index] != state.scrollBuf[v2index])
{
throw new Exception("Vertices are scrolling at different scrolls");
}
Scroll scroll = state.scrollBuf[v0index];
if ((scroll == null && state.td.scroll != null) ||
(scroll != null && !scroll.Equals(state.td.scroll)))
{
ScrollingTextureDescription oldTd = state.td;
state.td = new ScrollingTextureDescription();
state.td.AddRange(oldTd);
state.td.scroll = scroll;
if (scroll is EditorScroll editorScroll)
{
state.td.RegisterScroll(editorScroll);
}
if (scroll is TextureScroll)
{
state.td.omitScrollCheck = true;
}
}
state.td.RegisterVertex(state.segmentedVertexBufferAddress + v0index * 0x10);
state.td.RegisterVertex(state.segmentedVertexBufferAddress + v1index * 0x10);
state.td.RegisterVertex(state.segmentedVertexBufferAddress + v2index * 0x10);
map.AddTriangle(state.td, state.vbuf[v0index], state.vbuf[v1index], state.vbuf[v2index]);
}
public static void PerformVisualMapRebuild(ROM realRom, Region region, int maxDLLength)
{
// This is fake rom but it works anyways, just more convenient
// Want to be safe with overwriting the whole display list
ROM fakeRom = new ROM(region.data);
VisualMapParseState state = new VisualMapParseState();
DisplayListRegion dlRegion = (DisplayListRegion)region;
VisualMap map = new VisualMap();
byte curCmdIndex;
do
{
curCmdIndex = fakeRom.Read8();
VisualMapParserCmd func = visualMapParser[curCmdIndex];
func(fakeRom, map, state);
fakeRom.AddOffset(8);
}while (fakeRom.offset < region.length);
ROM visualMapROM = new ROM(new byte[maxDLLength]);
int visualMapLength = map.MakeF3D(visualMapROM);
// Now write data to real rom + trimming
// bzero
fakeRom.offset = 0;
realRom.PushOffset(region.romStart);
{
do
{
realRom.Write64(0x0101010101010101);
realRom.AddOffset(8);
fakeRom.AddOffset(8);
} while (fakeRom.offset < region.length);
}
realRom.PopOffset();
visualMapROM.offset = 0;
realRom.PushOffset(region.romStart);
{
int start = region.romStart;
do
{
Int64 cmd = visualMapROM.Read64();
visualMapROM.AddOffset(8);
realRom.Write64((ulong)cmd);
realRom.AddOffset(8);
} while (visualMapROM.offset < visualMapLength);
region.length = realRom.offset - start;
region.data = new byte[region.length];
realRom.ReadData(region.romStart, region.length, region.data);
}
realRom.PopOffset();
}
public static void PerformRegionOptimize(ROM realRom, Region region, FixConfig config)
{
// This is fake rom but it works anyways, just more convenient
// Want to be safe with overwriting the whole display list
ROM fakeRom = new ROM(region.data);
RegionOptimizeState state = new RegionOptimizeState(config);
DisplayListRegion dlRegion = (DisplayListRegion)region;
byte curCmdIndex;
do
{
curCmdIndex = fakeRom.Read8();
OptimizeParserCmd func = optimizeParser[curCmdIndex];
func(fakeRom, dlRegion, state);
fakeRom.AddOffset(8);
}while (fakeRom.offset < region.length);
// Now write data to real rom + trimming
// bzero
fakeRom.offset = 0;
realRom.PushOffset(region.romStart);
{
do
{
realRom.Write64(0x0101010101010101);
realRom.AddOffset(8);
fakeRom.AddOffset(8);
} while (fakeRom.offset < region.length);
}
realRom.PopOffset();
fakeRom.offset = 0;
realRom.PushOffset(region.romStart);
{
int start = region.romStart;
do
{
Int64 cmd = fakeRom.Read64();
fakeRom.AddOffset(8);
if (config.trimNOPs && cmd == 0 && dlRegion.isUnusedTrimmingAllowed)
{
continue;
}
realRom.Write64((ulong)cmd);
realRom.AddOffset(8);
} while (fakeRom.offset < region.length);
region.length = realRom.offset - start;
region.data = new byte[region.length];
realRom.ReadData(region.romStart, region.length, region.data);
}
realRom.PopOffset();
}
private static void RegionParse_common(ROM rom, List <Region> regions, RegionParseState state)
{
int curCmd = rom.Read8();
if ((state.regionState == RegionState.AreaData || state.regionState == RegionState.AreaScrolls) && curCmd != 0x24 && curCmd != 0x26)
{
CutRegion(rom, regions, state, rom.offset, RegionState.AreaFooter);
}
}
private static void HeaderParse_cmd17(ROM rom)
{
int segment = rom.Read8(3);
int startAddress = rom.Read32(4);
int endAddress = rom.Read32(8);
SegmentDescriptor descriptor = new SegmentDescriptor(startAddress, endAddress - startAddress);
rom.SetSegment(segment, descriptor);
}
public EditorScroll(ROM rom) : base(rom)
{
segmentedAddress = 0x0e000000;
acts = rom.Read8(0x02);
X = rom.Read16(0x04);
Y = rom.Read16(0x06);
Z = rom.Read16(0x08);
BParam = rom.Read16(0x10);
BParam2 = rom.Read16(0x12);
}
public static void Trim(Region region, bool addObjects)
{
ROM rom = new ROM(region.data);
MemoryStream trimmedObject = new MemoryStream();
while (rom.offset < region.length)
{
byte curCmdIndex = rom.Read8();
byte curCmdSize = rom.Read8(1);
if (curCmdIndex == 0x24)
{
byte acts = rom.Read8(2);
if (acts == 0)
{
goto fini;
}
}
byte[] data = new byte[curCmdSize];
rom.ReadData(rom.offset, curCmdSize, data);
trimmedObject.Write(data, 0, curCmdSize);
fini:
rom.AddOffset(curCmdSize);
}
if (addObjects)
{
trimmedObject.Write(emptyObject, 0, emptyObject.Count());
trimmedObject.Write(emptyObject, 0, emptyObject.Count());
trimmedObject.Write(emptyObject, 0, emptyObject.Count());
trimmedObject.Write(emptyObject, 0, emptyObject.Count());
trimmedObject.Write(emptyObject, 0, emptyObject.Count());
}
region.data = trimmedObject.ToArray();
region.length = (int)trimmedObject.Length;
trimmedObject.Dispose();
}
public static void PerformHeaderParse(ROM rom, int offset)
{
rom.PushOffset(offset);
RegionParseState state = new RegionParseState();
state.start = rom.offset;
byte curCmdIndex;
int stepCounter = 0;
do
{
curCmdIndex = rom.Read8();
byte curCmdSize = rom.Read8(1);
if (curCmdSize == 0)
{
throw new ArgumentException("cmd size is 0, loop detected");
}
if (curCmdIndex == 0x00)
{
HeaderParse_cmd00(rom);
}
if (curCmdIndex == 0x17)
{
HeaderParse_cmd17(rom);
}
rom.AddOffset(curCmdSize);
stepCounter++;
if (stepCounter > 100)
{
throw new ArgumentException("Bank 0x19 && 0x0E loader was not detected");
}
}while (rom.GetSegmentDescriptor(0x0E) == null || rom.GetSegmentDescriptor(0x19) == null);
rom.PopOffset();
}
public static void FixLoadAddresses(ROM initROM, Region region)
{
// This is fake rom but it works anyways, just more convenient
ROM rom = new ROM(region.data);
RegionParseState state = new RegionParseState();
state.start = rom.offset;
byte curCmdIndex;
int stepCounter = 0;
do
{
curCmdIndex = rom.Read8();
byte curCmdSize = rom.Read8(1);
if (curCmdSize == 0)
{
throw new ArgumentException("cmd size is 0, loop detected");
}
if (curCmdIndex == 0x17)
{
bool isFixed;
HeaderFix_cmd17(rom, initROM, out isFixed);
if (isFixed)
{
break;
}
}
rom.AddOffset(curCmdSize);
stepCounter++;
if (stepCounter > 100)
{
throw new ArgumentException("Bank 0x19 && 0x0E loader was not detected");
}
}while (rom.GetSegmentDescriptor(0x0E) == null || rom.GetSegmentDescriptor(0x19) == null);
}
private static void RegionParse_cmd22(ROM rom, List <Region> regions, RegionParseState state)
{
if (state.regionState != RegionState.ModelsLoader)
{
CutRegion(rom, regions, state, rom.offset, RegionState.ModelsLoader);
}
int segmentedAddress = rom.Read32(4);
int segment = rom.Read8(4);
int model = rom.Read8(3);
// Only 0x19 or 0x0E commands are supported
if (segment != 0x19 && segment != 0x0E)
{
return;
}
try
{
List <Region> modelRegions = new List <Region>();
int geoLayoutROMAddress = rom.GetROMAddress(segmentedAddress);
GeoLayout.PerformRegionParse(rom, modelRegions, geoLayoutROMAddress);
foreach (Region region in modelRegions)
{
region.model = model;
}
regions.AddRange(modelRegions);
}
catch (NotSupportedException e)
{
MessageBox.Show(String.Format("Model {0} graphics parsing is not supported! Reason : '{1}'", state.area, e.Message), "Level Parser", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (Exception e)
{
MessageBox.Show(String.Format("Failed to parse model {0} graphics! Reason : '{1}'", state.area, e.Message), "Level Parser", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private static void RegionParse_cmd1F(ROM rom, List <Region> regions, RegionParseState state)
{
CutRegion(rom, regions, state, rom.offset, RegionState.AreaHeader);
int segmentedAddress = rom.Read32(4);
int segment = rom.Read8(4);
sbyte area = (sbyte)rom.Read8(2);
state.area = area;
state.regionState = RegionState.AreaHeader;
// Only 0x19 or 0x0E commands are supported
// Usually it is in segment 19 anyways
if (segment != 0x19 && segment != 0x0E)
{
return;
}
int geoLayoutROMAddress = rom.GetROMAddress(segmentedAddress);
List <Region> areaGeolayoutRegions = new List <Region>();
try
{
GeoLayout.PerformRegionParse(rom, areaGeolayoutRegions, geoLayoutROMAddress);
foreach (Region region in areaGeolayoutRegions)
{
region.area = area;
}
regions.AddRange(areaGeolayoutRegions);
}
catch (NotSupportedException e)
{
MessageBox.Show(String.Format("Area {0} graphics parsing is not supported! Reason : '{1}'", state.area, e.Message), "Level Parser", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (Exception e)
{
MessageBox.Show(String.Format("Failed to parse area {0} graphics! Reason : '{1}'", state.area, e.Message), "Level Parser", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public static void PerformRegionParse(ROM rom, List <Region> regions, int offset, bool isOldScrollBehaviour)
{
rom.PushOffset(offset);
RegionParseState state = new RegionParseState
{
start = rom.offset,
isOldBehaviourChecked = isOldScrollBehaviour
};
byte curCmdIndex;
do
{
curCmdIndex = rom.Read8();
byte curCmdSize = rom.Read8(1);
if (curCmdSize == 0)
{
throw new ArgumentException("cmd size is 0, loop detected");
}
RegionParseCmd func = regionParser[curCmdIndex];
if (func != RegionParse_common)
{
RegionParse_common(rom, regions, state);
}
func(rom, regions, state);
if (curCmdIndex != 0x7)
{
rom.AddOffset(curCmdSize);
}
}while (curCmdIndex != terminateCmd);
rom.PopOffset();
}
private static void RegionParse_cmd10(ROM rom, List <Region> regions, RegionParseState state)
{
if (rom.Read64() == 0x1008000000000000)
{
if (rom.offset == state.start)
{
state.start = rom.offset + rom.Read8(1);
}
// Skip empty commands in the beginning of any region
else if (rom.offset == state.start + rom.Read8(1))
{
state.start = rom.offset + rom.Read8(1);
}
else
{
// Commands is not in the beginning, cut area, start new one that is same as it was before
if (state.regionState == RegionState.ModelsLoader)
{
CutRegion(rom, regions, state, rom.offset, state.regionState);
}
}
}
}
private static void RegionParse_cmd03(ROM rom, List <Region> regions, RegionParseState state)
{
int segment = rom.Read8(4);
if (segment != 0x0e)
{
return;
}
int segmentedAddress = rom.Read32(4);
int address = rom.GetROMAddress(segmentedAddress);
state.lightData.AddRegion(address, 0x8);
}
public static void PerformRegionParse(ROM rom, List <Region> regions, int offset, out Dictionary <int, List <ScrollObject> > scrolls)
{
rom.PushOffset(offset);
RegionParseState state = new RegionParseState();
state.start = rom.offset;
byte curCmdIndex;
do
{
curCmdIndex = rom.Read8();
byte curCmdSize = rom.Read8(1);
if (curCmdSize == 0)
{
throw new ArgumentException("cmd size is 0, loop detected");
}
RegionParseCmd func = regionParser[curCmdIndex];
if (func != RegionParse_common)
{
RegionParse_common(rom, regions, state);
}
func(rom, regions, state);
if (curCmdIndex != 0x7)
{
rom.AddOffset(curCmdSize);
}
}while (curCmdIndex != terminateCmd);
rom.PopOffset();
scrolls = state.scrolls;
}
private static void RegionParse_cmd04(ROM rom, List <Region> regions, RegionParseState state)
{
int segment = rom.Read8(4);
if (segment != 0x0e)
{
return;
}
int segmentedAddress = rom.Read32(4);
int address = rom.GetROMAddress(segmentedAddress);
state.vertexData.AddRegion(address, rom.Read16(2));
//regions.Add(new Region(address, rom.Read16(2), RegionState.VertexInfo));
}
private static void VisualMapParse_cmdFB(ROM rom, VisualMap map, VisualMapParseState state)
{
// Some importers have the only EnvColor func for everything lmfao
if (rom.Read8(8) != 0xFD)
{
goto fini;
}
state.envColorCmd = (ulong)rom.Read64();
state.state = VisualMapParseStateCmd.Texture;
state.td = new TextureDescription();
fini:
VisualMapParse_common(rom, map, state);
}
public static void PerformRegionRelocation(Region region, RelocationTable table)
{
// This is fake rom but it works anyways, just more convenient
ROM rom = new ROM(region.data);
byte curCmdIndex;
do
{
curCmdIndex = rom.Read8();
RelocationParseCmd func = relocationParser[curCmdIndex];
func(rom, table, (DisplayListRegion)region);
rom.AddOffset(8);
}while (rom.offset < region.length);
}
private static void RegionParse_cmd17(ROM rom, List <Region> regions, RegionParseState state)
{
int segment = rom.Read8(3);
int startAddress = rom.Read32(4);
int endAddress = rom.Read32(8);
if ((uint)startAddress > 0x4000000)
{
return;
}
SegmentDescriptor descriptor = new SegmentDescriptor(startAddress, endAddress - startAddress);
rom.SetSegment(segment, descriptor);
}
private static void RegionParse_cmdFD(ROM rom, List <Region> regions, RegionParseState state)
{
state.FDAddress = -1;
int segment = rom.Read8(4);
if (segment != 0x0e)
{
return;
}
int segmentedAddress = rom.Read32(4);
int address = (int)rom.GetROMAddress(segmentedAddress);
state.FDAddress = address;
}
private static void HeaderFix_cmd17(ROM rom, ROM initROM, out bool isFixed)
{
int segment = rom.Read8(3);
int startAddress = initROM.GetSegmentDescriptor(0x0E).start;
int endAddress = startAddress + initROM.GetSegmentDescriptor(0x0E).length;
if (segment != 0x0E)
{
isFixed = false;
return;
}
rom.Write32(startAddress, 4);
rom.Write32(endAddress, 8);
isFixed = true;
}