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using System;
namespace NW4RTools.Models {
public abstract class VertexDataBase {
public UInt32 Index;
public VertexSettings.CompCount ComponentCount;
public VertexSettings.CompType ComponentType;
public byte Fraction /* Not used for colours */, EntrySize;
public UInt16 EntryCount;
// Todo, decode data when reading
public byte[] Data;
public VertexDataBase() {
}
public float[] GetEntry(int index) {
float[] ret = new float[GetRealCount()];
float scale = 1.0f / (1 << Fraction);
//Console.WriteLine("Getting index {0}, count {1} size {2} length {3} offset {4}", index, EntryCount, EntrySize, Data.Length, index * EntrySize);
InputStream ins = new InputStream(Data);
ins.Seek(index * EntrySize);
for (int i = 0; i < ret.Length; i++) {
switch (ComponentType) {
case VertexSettings.CompType.UInt8:
break;
case VertexSettings.CompType.Int8:
ret[i] = (float)ins.ReadSByte() * scale;
break;
case VertexSettings.CompType.UInt16:
ret[i] = (float)ins.ReadUInt16() * scale;
break;
case VertexSettings.CompType.Int16:
ret[i] = (float)ins.ReadInt16() * scale;
//Console.WriteLine("Output into {0}: {3:X} {1} with scale {2}", i, ret[i], scale, v);
break;
case VertexSettings.CompType.Float32:
ret[i] = ins.ReadFloat();
break;
default:
throw new NotImplementedException(String.Format("unimplemented type {0}", (int)ComponentType));
}
}
return ret;
}
public abstract int GetRealCount();
}
public class VertexPosData : VertexDataBase {
public Vec3 Minimum, Maximum;
public VertexPosData() {
}
public override int GetRealCount() {
switch (ComponentCount) {
case VertexSettings.CompCount.Position2:
return 2;
case VertexSettings.CompCount.Position3:
return 3;
default:
return -1;
}
}
}
public class VertexNrmData : VertexDataBase {
public VertexNrmData() {
}
public override int GetRealCount() {
switch (ComponentCount) {
case VertexSettings.CompCount.Normal3:
return 3;
default:
return -1;
}
}
}
public class VertexClrData : VertexDataBase {
public VertexClrData() {
}
public override int GetRealCount() {
switch (ComponentCount) {
case VertexSettings.CompCount.Color3:
return 3;
case VertexSettings.CompCount.Color4:
return 4;
default:
return -1;
}
}
}
public class VertexTexCoordData : VertexDataBase {
public Vec2 Minimum, Maximum;
public VertexTexCoordData() {
}
public override int GetRealCount() {
switch (ComponentCount) {
case VertexSettings.CompCount.TexCoord1:
return 1;
case VertexSettings.CompCount.TexCoord2:
return 2;
default:
return -1;
}
}
}
}
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