diff options
Diffstat (limited to '')
| -rw-r--r-- | NW4RTools/VertexSettings.cs | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/NW4RTools/VertexSettings.cs b/NW4RTools/VertexSettings.cs new file mode 100644 index 0000000..5eac02a --- /dev/null +++ b/NW4RTools/VertexSettings.cs @@ -0,0 +1,234 @@ +using System; + +namespace NW4RTools { + public struct GXIndexedVertex { + public int Position; + public int Normal; + + public int[] Colors; + public int[] TexCoords; + + + + public void LoadFrom(InputStream ins, VertexSettings vs) { + if (vs.PNMatrixIndexExists) + throw new NotImplementedException(); + if (vs.TexCoordMatrixIndexExists[0]) + throw new NotImplementedException(); + // won't bother with the rest + + switch (vs.PositionDesc) { + case VertexSettings.DescType.Direct: + throw new NotImplementedException(); + case VertexSettings.DescType.None: + throw new NotImplementedException(); + case VertexSettings.DescType.Index8: + Position = ins.ReadByte(); + if (Position == 0xFF) + Position = -1; + break; + case VertexSettings.DescType.Index16: + Position = ins.ReadUInt16(); + if (Position == 0xFFFF) + Position = -1; + break; + } + + // not sure how to detect NBT3 yet + switch (vs.NormalDesc) { + case VertexSettings.DescType.Direct: + throw new NotImplementedException(); + case VertexSettings.DescType.None: + Normal = -1; + break; + case VertexSettings.DescType.Index8: + Normal = ins.ReadByte(); + if (Normal == 0xFF) + Normal = -1; + break; + case VertexSettings.DescType.Index16: + Normal = ins.ReadUInt16(); + if (Normal == 0xFFFF) + Normal = -1; + break; + } + + Colors = new int[2]; + + for (int i = 0; i < 2; i++) { + switch (vs.ColorDesc[i]) { + case VertexSettings.DescType.Direct: + throw new NotImplementedException(); + case VertexSettings.DescType.None: + Colors[i] = -1; + break; + case VertexSettings.DescType.Index8: + Colors[i] = ins.ReadByte(); + if (Colors[i] == 0xFF) + Colors[i] = -1; + break; + case VertexSettings.DescType.Index16: + Colors[i] = ins.ReadUInt16(); + if (Colors[i] == 0xFFFF) + Colors[i] = -1; + break; + } + } + + TexCoords = new int[8]; + + for (int i = 0; i < 8; i++) { + switch (vs.TexCoordDesc[i]) { + case VertexSettings.DescType.Direct: + throw new NotImplementedException(); + case VertexSettings.DescType.None: + TexCoords[i] = -1; + break; + case VertexSettings.DescType.Index8: + TexCoords[i] = ins.ReadByte(); + if (TexCoords[i] == 0xFF) + TexCoords[i] = -1; + break; + case VertexSettings.DescType.Index16: + TexCoords[i] = ins.ReadUInt16(); + if (TexCoords[i] == 0xFFFF) + TexCoords[i] = -1; + break; + } + } + } + } + + + + public class VertexSettings { + public enum DescType { + None, + Direct, + Index8, + Index16 + } + + public enum CompCount { + Position2 = 0, + Position3 = 1, + Normal3 = 0, + NBT = 1, + NBT3 = 2, + Color3 = 0, + Color4 = 1, + TexCoord1 = 0, + TexCoord2 = 1 + } + + public enum CompType { + UInt8 = 0, + Int8 = 1, + UInt16 = 2, + Int16 = 3, + Float32 = 4 + } + + + public bool PNMatrixIndexExists; + public bool[] TexCoordMatrixIndexExists; + public DescType PositionDesc, NormalDesc; + public DescType[] ColorDesc, TexCoordDesc; + + public CompCount PositionCount, NormalCount; + public CompCount[] ColorCount, TexCoordCount; + + public CompType PositionFormat, NormalFormat; + public CompType[] ColorFormat, TexCoordFormat; + + public byte PositionFrac; + public byte[] TexCoordFrac; + + + + public VertexSettings() { + TexCoordMatrixIndexExists = new bool[8]; + + ColorDesc = new DescType[2]; + TexCoordDesc = new DescType[8]; + + ColorCount = new CompCount[2]; + TexCoordCount = new CompCount[8]; + + ColorFormat = new CompType[2]; + TexCoordFormat = new CompType[8]; + + TexCoordFrac = new byte[8]; + } + + + public void SetDesc(UInt32 val1, UInt32 val2) { + PNMatrixIndexExists = ((val1 & 1) != 0); + + for (int i = 0; i < 8; i++) + TexCoordMatrixIndexExists[i] = ((val1 & (2 << i)) != 0); + + PositionDesc = (DescType)((val1 & 0x600) >> 9); + NormalDesc = (DescType)((val1 & 0x1800) >> 11); + ColorDesc[0] = (DescType)((val1 & 0x6000) >> 13); + ColorDesc[1] = (DescType)((val1 & 0x18000) >> 15); + + for (int i = 0; i < 8; i++) + TexCoordDesc[i] = (DescType)((val2 & (3 << (i * 2))) >> (i * 2)); + } + + public void SetAttrFmt(UInt32 val1, UInt32 val2, UInt32 val3) { + PositionCount = (CompCount)(val1 & 1); + PositionFormat = (CompType)((val1 & 0xE) >> 3); + PositionFrac = (byte)((val1 & 0x1F0) >> 4); + + // note: this field is special + bool IsNormalSet = ((val1 & 0x200) != 0); + bool UseNormalIndex3 = ((val1 & 0x80000000) != 0); + NormalCount = IsNormalSet ? (UseNormalIndex3 ? CompCount.NBT3 : CompCount.NBT) : CompCount.Normal3; + NormalFormat = (CompType)((val1 & 0x1C00) >> 10); + + ColorCount[0] = (CompCount)((val1 & 0x2000) >> 13); + ColorFormat[0] = (CompType)((val1 & 0x1C000) >> 14); + + ColorCount[1] = (CompCount)((val1 & 0x20000) >> 17); + ColorFormat[1] = (CompType)((val1 & 0x1C0000) >> 18); + + TexCoordCount[0] = (CompCount)((val1 & 0x200000) >> 21); + TexCoordFormat[0] = (CompType)((val1 & 0x1C00000) >> 22); + TexCoordFrac[0] = (byte)((val1 & 0x3E000000) >> 25); + + // set in various cases, see libogc gx.c for info + bool ByteDequant = ((val1 & 0x40000000) != 0); + + TexCoordCount[1] = (CompCount)(val2 & 0x1); + TexCoordFormat[1] = (CompType)((val2 & 0xE) >> 1); + TexCoordFrac[1] = (byte)((val2 & 0x1F0) >> 4); + + TexCoordCount[2] = (CompCount)((val2 & 0x200) >> 9); + TexCoordFormat[2] = (CompType)((val2 & 0x1C00) >> 10); + TexCoordFrac[2] = (byte)((val2 & 0x3E000) >> 13); + + TexCoordCount[3] = (CompCount)((val2 & 0x40000) >> 18); + TexCoordFormat[3] = (CompType)((val2 & 0x380000) >> 19); + TexCoordFrac[3] = (byte)((val2 & 0x3E000000) >> 22); + + TexCoordCount[4] = (CompCount)((val2 & 0x8000000) >> 27); + TexCoordFormat[4] = (CompType)((val2 & 0x70000000) >> 28); + TexCoordFrac[4] = (byte)(val3 & 0x1F); + + TexCoordCount[5] = (CompCount)((val3 & 0x20) >> 5); + TexCoordFormat[5] = (CompType)((val3 & 0x1C0) >> 6); + TexCoordFrac[5] = (byte)((val3 & 0x3E00) >> 9); + + TexCoordCount[6] = (CompCount)((val3 & 0x4000) >> 14); + TexCoordFormat[6] = (CompType)((val3 & 0x38000) >> 15); + TexCoordFrac[6] = (byte)((val3 & 0x7C0000) >> 18); + + TexCoordCount[7] = (CompCount)((val3 & 0x800000) >> 23); + TexCoordFormat[7] = (CompType)((val3 & 0x7000000) >> 24); + TexCoordFrac[7] = (byte)((val3 & 0xF8000000) >> 27); + } + } +} + |