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author | Treeki <treeki@gmail.com> | 2011-02-11 01:10:44 +0100 |
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committer | Treeki <treeki@gmail.com> | 2011-02-11 01:10:44 +0100 |
commit | 0d017deb24e7f6f8e049616a71691f1401c50b6a (patch) | |
tree | 8b107dcb3d51163831ffcce96010367f3779585e /NW4RTools/Models/VertexData.cs | |
parent | 58dead7b909861732011325f5d4844eae21a9bc2 (diff) | |
download | nw4rtools-0d017deb24e7f6f8e049616a71691f1401c50b6a.tar.gz nw4rtools-0d017deb24e7f6f8e049616a71691f1401c50b6a.zip |
tons of stuff: more work on shapes, unfinished OBJ exporter, ...
Diffstat (limited to 'NW4RTools/Models/VertexData.cs')
-rw-r--r-- | NW4RTools/Models/VertexData.cs | 102 |
1 files changed, 100 insertions, 2 deletions
diff --git a/NW4RTools/Models/VertexData.cs b/NW4RTools/Models/VertexData.cs index d8733b3..b1f65cd 100644 --- a/NW4RTools/Models/VertexData.cs +++ b/NW4RTools/Models/VertexData.cs @@ -1,10 +1,31 @@ using System; namespace NW4RTools.Models { - public class VertexDataBase { + public enum CompCount { + Position2 = 0, + Position3 = 1, + Normal3 = 0, + Color3 = 0, + Color4 = 1, + TexCoord1 = 0, + TexCoord2 = 1 + } + + + public enum CompType { + UInt8 = 0, + Int8 = 1, + UInt16 = 2, + Int16 = 3, + Float32 = 4 + } + + + public abstract class VertexDataBase { public UInt32 Index; - public UInt32 ComponentCount, ComponentType; // todo: enums + public CompCount ComponentCount; + public CompType ComponentType; public byte Fraction /* Not used for colours */, EntrySize; public UInt16 EntryCount; @@ -13,6 +34,41 @@ namespace NW4RTools.Models { 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 CompType.UInt8: + break; + case CompType.Int8: + ret[i] = (float)ins.ReadSByte() * scale; + break; + case CompType.UInt16: + ret[i] = (float)ins.ReadUInt16() * scale; + break; + case CompType.Int16: + ret[i] = (float)ins.ReadInt16() * scale; + break; + case CompType.Float32: + ret[i] = ins.ReadFloat(); + break; + default: + throw new NotImplementedException(String.Format("unimplemented type {0}", (int)ComponentType)); + } + } + + return ret; + } + + public abstract int GetRealCount(); } @@ -21,18 +77,49 @@ namespace NW4RTools.Models { public VertexPosData() { } + + public override int GetRealCount() { + switch (ComponentCount) { + case CompCount.Position2: + return 2; + case CompCount.Position3: + return 3; + default: + return -1; + } + } } public class VertexNrmData : VertexDataBase { public VertexNrmData() { } + + public override int GetRealCount() { + switch (ComponentCount) { + case CompCount.Normal3: + return 3; + default: + return -1; + } + } } public class VertexClrData : VertexDataBase { public VertexClrData() { } + + public override int GetRealCount() { + switch (ComponentCount) { + case CompCount.Color3: + return 3; + case CompCount.Color4: + return 4; + default: + return -1; + } + } } @@ -41,6 +128,17 @@ namespace NW4RTools.Models { public VertexTexCoordData() { } + + public override int GetRealCount() { + switch (ComponentCount) { + case CompCount.TexCoord1: + return 1; + case CompCount.TexCoord2: + return 2; + default: + return -1; + } + } } } |