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_cmdBB(ROM rom, TriangleMap map, TriangleMapParseState state)
{
if ((UInt64)rom.Read64() == 0xBB000000FFFFFFFF)
{
state.state = VisualMapParseStateCmd.Footer;
}
TriangleMapParse_common(rom, map, state);
}
private static void TriangleMapParse_cmdFD(ROM rom, TriangleMap map, TriangleMapParseState state)
{
UInt64 fdCmd = state.td.GetTextureCMD();
if (state.state != VisualMapParseStateCmd.Texture)
{
state.state = VisualMapParseStateCmd.Texture;
state.td = new ScrollingTextureDescription();
if (state.envColorCmd != null)
{
state.td.Add(state.envColorCmd.GetValueOrDefault(), 0 /*FIXME*/);
}
}
TriangleMapParse_common(rom, map, state);
}
private static void TriangleMapParse_cmdFB(ROM rom, TriangleMap map, TriangleMapParseState state)
{
// Some importers have the only EnvColor func for everything lmfao
if (rom.Read8(8) != 0xFD)
{
goto fini;
}
state.state = VisualMapParseStateCmd.Texture;
state.envColorCmd = (ulong)rom.Read64();
state.td = new ScrollingTextureDescription();
fini:
TriangleMapParse_common(rom, map, state);
}
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]);
}
private static void TriangleMapParse_common(ROM rom, TriangleMap map, TriangleMapParseState state)
{
switch (state.state)
{
case VisualMapParseStateCmd.Header:
map.AddHeaderCmd((UInt64)rom.Read64());
break;
case VisualMapParseStateCmd.Texture:
state.td.Add((UInt64)rom.Read64(), rom.GetSegmentedAddress(rom.offset));
break;
case VisualMapParseStateCmd.Footer:
map.AddFooterCmd((UInt64)rom.Read64());
break;
}
}
public static void PerformTriangleMapRebuild(ROM realRom, Region region, int maxDLLength, List <ScrollObject> scrolls)
{
TriangleMapParseState state = new TriangleMapParseState(scrolls);
DisplayListRegion dlRegion = (DisplayListRegion)region;
TriangleMap map = new TriangleMap();
realRom.PushOffset(region.romStart);
byte curCmdIndex;
do
{
curCmdIndex = realRom.Read8();
TriangleMapParserCmd func = triangleMapParser[curCmdIndex];
func(realRom, map, state);
realRom.AddOffset(8);
}while (realRom.offset < region.romStart + region.length);
realRom.PopOffset();
ROM fakeRom = (ROM)realRom.Clone();
// bzero
fakeRom.PushOffset(region.romStart);
{
do
{
fakeRom.Write64(0x0101010101010101);
fakeRom.AddOffset(8);
} while (fakeRom.offset < region.romStart + region.length);
}
fakeRom.PopOffset();
fakeRom.offset = region.romStart;
int triangleMapLength = map.MakeF3D(fakeRom, state.vertexBytes, new ScrollFactory(scrolls));
if (triangleMapLength > maxDLLength)
{
throw new OutOfMemoryException("No memory for DL available :(");
}
realRom.TransferFrom(fakeRom);
realRom.offset = fakeRom.offset;
region.length = realRom.offset - region.romStart;
region.data = new byte[region.length];
realRom.ReadData(region.romStart, region.length, region.data);
}
private static void TriangleMapParse_cmdF2(ROM rom, TriangleMap map, TriangleMapParseState state)
{
TriangleMapParse_common(rom, map, state);
state.state = state.isHeader ? VisualMapParseStateCmd.Header : VisualMapParseStateCmd.Footer; // Case for fog
}
public static void GetTriangleMap(ROM realRom, Region region, int maxDLLength, List <ScrollObject> scrolls, out TriangleMap map, out SortedRegionList vertexData)
{
TriangleMapParseState state = new TriangleMapParseState(scrolls);
DisplayListRegion dlRegion = (DisplayListRegion)region;
map = new TriangleMap();
realRom.PushOffset(region.romStart);
byte curCmdIndex;
do
{
curCmdIndex = realRom.Read8();
TriangleMapParserCmd func = triangleMapParser[curCmdIndex];
func(realRom, map, state);
realRom.AddOffset(8);
}while (realRom.offset < region.romStart + region.length);
realRom.PopOffset();
// Check map validity
// There are 2 possible ways to mess up scroll
// 'Too much' - scroll is performing too much scrolling, 1st warn detect, 2nd falsing, 3rd can fix such scroll if scrolls are done properly
// 'Not enough' - scroll is not scrolling the whole texture, 2nd warn may be able to detect that, no fix yet but 'stretch' the scroll should work
// I assume there is no scrolls that do not correspond to no texture, such case will leave weird things :)
// Currently ScrollingTextures cannot be longed so it is impossible to fix 'Not enough' :(
List <ScrollingTextureDescription> brokenTextures = new List <ScrollingTextureDescription>();
{
// Not enough
HashSet <TextureDescription> scrollingTds = new HashSet <TextureDescription>(map.map.Keys.Where(k => k.scroll != null));
foreach (TextureDescription td in scrollingTds)
{
var stds = map.map.Keys.Where(k => k.Equals(td)).ToList();
if (stds.Count() > 1)
{
int a = 0;
}
}
// Check if scroll 'fits'
foreach (ScrollingTextureDescription std in map.map.Keys)
{
if (std.scroll == null)
{
continue;
}
if (!std.vertexRegions.Equals(std.scrollRegions))
{
brokenTextures.Add(std);
}
}
}
foreach (ScrollingTextureDescription brokenTd in brokenTextures)
{
if (brokenTd.omitScrollCheck)
{
continue;
}
// Figure out the way to "heal", either drop scroll or extend it
// If scroll does not start at the same place, just drop it, such solution may backfire if 2 scrolls intersect
bool shouldDrop = brokenTd.scrollRegions.RegionList.First().Key != brokenTd.vertexRegions.RegionList.First().Key;
if (shouldDrop)
{
// Find if texture without scroll exists, if it does, merge tris in it, otherwise drop the scroll
List <ScrollingTextureDescription> similarTextures = map.map.Keys.Where(k => k.scroll == null).Where(k => TextureDescription.Equals(brokenTd, k)).ToList();
if (similarTextures.Count() != 0)
{
ScrollingTextureDescription stdNoScroll = similarTextures[0];
List <Triangle> tris = map.map[brokenTd];
map.map.Remove(brokenTd);
map.map[stdNoScroll].AddRange(tris);
}
else
{
state.td.scroll = null;
}
}
else
{
// Find if texture without scroll exists, if it does, merge tris from it (make it scroll)
List <ScrollingTextureDescription> similarTextures = map.map.Keys.Where(k => k.scroll == null).Where(k => TextureDescription.Equals(brokenTd, k)).ToList();
foreach (ScrollingTextureDescription similarStd in similarTextures)
{
List <Triangle> tris = map.map[similarStd];
map.map.Remove(similarStd);
map.map[brokenTd].AddRange(tris);
}
}
}
vertexData = state.vertexBytes;
}