some collada work, and an unfinished OGL renderer using OpenTK. huge commit

5 files changed, 404 insertions, 6 deletions

diff --git a/NW4RTools/Models/OpenGL/GLDisplayList.cs b/NW4RTools/Models/OpenGL/GLDisplayList.cs
new file mode 100644
index 0000000..180e89e
--- /dev/null
+++ b/NW4RTools/Models/OpenGL/GLDisplayList.cs
@@ -0,0 +1,31 @@
+using System;
+using OpenTK;
+using OpenTK.Graphics;
+using OpenTK.Graphics.OpenGL;
+
+namespace NW4RTools.Models.OpenGL {
+	public class GLDisplayList : IDisposable {
+		public readonly int ListID;
+
+		public GLDisplayList() {
+			ListID = GL.GenLists(1);
+		}
+
+		void IDisposable.Dispose() {
+			GL.DeleteLists(ListID, 1);
+		}
+
+		public void Begin() {
+			GL.NewList(ListID, ListMode.Compile);
+		}
+
+		public void End() {
+			GL.EndList();
+		}
+
+		public void Execute() {
+			GL.CallList(ListID);
+		}
+	}
+}
+
diff --git a/NW4RTools/Models/OpenGL/GLModel.cs b/NW4RTools/Models/OpenGL/GLModel.cs
new file mode 100644
index 0000000..2e5779e
--- /dev/null
+++ b/NW4RTools/Models/OpenGL/GLModel.cs
@@ -0,0 +1,235 @@
+using System;
+using System.Collections.Generic;
+using NW4RTools;
+using NW4RTools.Models;
+using OpenTK;
+using OpenTK.Graphics;
+using OpenTK.Graphics.OpenGL;
+
+namespace NW4RTools.Models.OpenGL {
+	public class GLModel {
+		public ResFile SourceFile {
+			get; private set;
+		}
+
+		public Model SourceModel {
+			get; private set;
+		}
+
+		public GLModel(ResFile rf, string modelName) {
+			SourceFile = rf;
+			SourceModel = rf.GetGroup<Model>("3DModels(NW4R)")[modelName];
+
+			// cache some stuff
+			m_textureGroup = rf.GetGroup<Texture>("Textures(NW4R)");
+		}
+
+
+
+
+		private ResDict<Texture> m_textureGroup;
+		private Dictionary<string, GLTexture> m_glTextures;
+		private Dictionary<Material, GLDisplayList> m_glMaterials;
+		private Dictionary<Shape, GLDisplayList> m_glShapes;
+
+		public void Prepare(IGraphicsContext context) {
+			// convert every texture
+			m_glTextures = new Dictionary<string, GLTexture>();
+
+			foreach (var material in SourceModel.Materials) {
+				foreach (var texInfo in material.Value.TextureInfos) {
+					if (!m_glTextures.ContainsKey(texInfo.TextureName)) {
+						var newTex = new GLTexture();
+						newTex.Load(m_textureGroup[texInfo.TextureName]);
+						m_glTextures.Add(texInfo.TextureName, newTex);
+					}
+				}
+			}
+
+			// convert every material
+			m_glMaterials = new Dictionary<Material, GLDisplayList>();
+
+			foreach (var material in SourceModel.Materials.Values) {
+				m_glMaterials.Add(material, MakeMaterialDisplayList(material));
+			}
+
+			// convert every shape
+			m_glShapes = new Dictionary<Shape, GLDisplayList>();
+
+			foreach (var shape in SourceModel.Shapes.Values) {
+				m_glShapes.Add(shape, MakeShapeDisplayList(shape));
+			}
+		}
+
+
+
+		private static readonly TextureUnit[] TextureUnits = new TextureUnit[] {
+			TextureUnit.Texture0, TextureUnit.Texture1, TextureUnit.Texture2, TextureUnit.Texture3,
+			TextureUnit.Texture4, TextureUnit.Texture5, TextureUnit.Texture6, TextureUnit.Texture7,
+			TextureUnit.Texture8, TextureUnit.Texture9, TextureUnit.Texture10, TextureUnit.Texture11,
+			TextureUnit.Texture12, TextureUnit.Texture13, TextureUnit.Texture14, TextureUnit.Texture15
+		};
+
+		private Material m_currentMaterial;
+
+		private void ClearCache() {
+			m_currentMaterial = null;
+		}
+
+		private void LoadMaterial(Material m) {
+			if (m == m_currentMaterial)
+				return;
+
+			m_currentMaterial = m;
+			m_glMaterials[m].Execute();
+		}
+
+		private void DrawShape(ByteCode.DrawShapeInstruction insn) {
+			LoadMaterial(SourceModel.Materials[insn.MaterialID]);
+
+			var shape = SourceModel.Shapes[insn.ShapeID];
+			m_glShapes[shape].Execute();
+		}
+
+		public void Render(IGraphicsContext context) {
+			// This'll be fun.
+
+			ClearCache();
+			
+			foreach (var insn in SourceModel.Bytecode["DrawOpa"].Instructions) {
+				if (insn is ByteCode.DrawShapeInstruction) {
+					DrawShape(insn as ByteCode.DrawShapeInstruction);
+				}
+			}
+
+			if (SourceModel.Bytecode.ContainsKey("DrawXlu")) {
+				foreach (var insn in SourceModel.Bytecode["DrawXlu"].Instructions) {
+					if (insn is ByteCode.DrawShapeInstruction) {
+						DrawShape(insn as ByteCode.DrawShapeInstruction);
+					}
+				}
+			}
+		}
+
+
+
+		#region Display Lists
+		private GLDisplayList MakeMaterialDisplayList(Material m) {
+			var displayList = new GLDisplayList();
+			displayList.Begin();
+			
+			if (m.TextureInfos.Count > 0) {
+				GL.Enable(EnableCap.Texture2D);
+				
+				TextureInfo[] texInfoArray = new TextureInfo[8];
+				
+				foreach (var texInfo in m.TextureInfos) {
+					texInfoArray[texInfo.TexMapID] = texInfo;
+				}
+				
+				for (int i = 0; i < 8; i++) {
+					GL.ActiveTexture(TextureUnits[i]);
+					GL.TexEnv(TextureEnvTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, (int)TextureEnvMode.Decal);
+					
+					if (texInfoArray[i] == null) {
+						GL.BindTexture(TextureTarget.Texture2D, 0);
+					} else {
+						m_glTextures[texInfoArray[i].TextureName].Bind(TextureTarget.Texture2D);
+					}
+				}
+				
+			} else {
+				GL.Disable(EnableCap.Texture2D);
+			}
+			
+			displayList.End();
+			return displayList;
+		}
+
+		private GLDisplayList MakeShapeDisplayList(Shape shape) {
+			var displayList = new GLDisplayList();
+			displayList.Begin();
+			
+			var firstDL = new InputStream(shape.DisplayList1);
+			firstDL.Seek(0x0C);
+			UInt32 vtxDesc1 = firstDL.ReadUInt32();
+			firstDL.Seek(0x12);
+			UInt32 vtxDesc2 = firstDL.ReadUInt32();
+			firstDL.Seek(0x22);
+			UInt32 vtxAttr1 = firstDL.ReadUInt32();
+			firstDL.Seek(0x28);
+			UInt32 vtxAttr2 = firstDL.ReadUInt32();
+			firstDL.Seek(0x2E);
+			UInt32 vtxAttr3 = firstDL.ReadUInt32();
+			
+			var vs = new VertexSettings();
+			vs.SetDesc(vtxDesc1, vtxDesc2);
+			vs.SetAttrFmt(vtxAttr1, vtxAttr2, vtxAttr3);
+			
+			
+			InputStream dl = new InputStream(shape.DisplayList2);
+			
+			while (true) {
+				if (dl.AtEnd)
+					break;
+				
+				byte cmd = dl.ReadByte();
+				if (cmd == 0)
+					break;
+				
+				PrimitiveType prim = (PrimitiveType)((cmd >> 3) & 7);
+				int vtxCount = dl.ReadUInt16();
+				
+				// first, parse it into a list of vertices
+				GXIndexedVertex[] vtxs = new GXIndexedVertex[vtxCount];
+				for (int i = 0; i < vtxCount; i++) {
+					vtxs[i].LoadFrom(dl, vs);
+				}
+				
+				switch (prim) {
+				case PrimitiveType.Quads:
+					GL.Begin(BeginMode.Quads);
+					break;
+				case PrimitiveType.Triangles:
+					GL.Begin(BeginMode.Triangles);
+					break;
+				case PrimitiveType.TriangleStrip:
+					GL.Begin(BeginMode.TriangleStrip);
+					break;
+				case PrimitiveType.TriangleFan:
+					GL.Begin(BeginMode.TriangleFan);
+					break;
+				case PrimitiveType.Lines:
+					GL.Begin(BeginMode.Lines);
+					break;
+				case PrimitiveType.LineStrip:
+					GL.Begin(BeginMode.LineStrip);
+					break;
+				case PrimitiveType.Points:
+					GL.Begin(BeginMode.Points);
+					break;
+				default:
+					Console.WriteLine("UNIMPLEMENTED PRIMITIVE TYPE {0}", prim);
+					throw new NotImplementedException();
+				}
+				
+				for (int i = 0; i < vtxCount; i++) {
+					for (int j = 0; j < 8; j++) {
+						if (vs.TexCoordDesc[j] != VertexSettings.DescType.None)
+							GL.MultiTexCoord2(TextureUnits[j], shape.TexCoordData[j].Data[vtxs[i].TexCoords[j]]);
+					}
+					
+					GL.Vertex3(shape.PosData.Data[vtxs[i].Position]);
+				}
+				
+				GL.End();
+			}
+			
+			displayList.End();
+			return displayList;
+		}
+
+		#endregion
+	}
+}
+
diff --git a/NW4RTools/Models/OpenGL/GLTexture.cs b/NW4RTools/Models/OpenGL/GLTexture.cs
new file mode 100644
index 0000000..c4cdee6
--- /dev/null
+++ b/NW4RTools/Models/OpenGL/GLTexture.cs
@@ -0,0 +1,46 @@
+using System;
+using NW4RTools;
+using NW4RTools.Models;
+using OpenTK;
+using OpenTK.Graphics;
+using OpenTK.Graphics.OpenGL;
+
+namespace NW4RTools.Models.OpenGL {
+	public class GLTexture : IDisposable {
+		public readonly int TextureID;
+
+		public GLTexture() {
+			TextureID = GL.GenTexture();
+		}
+
+		void IDisposable.Dispose() {
+			GL.DeleteTexture(TextureID);
+		}
+
+		public void Load(Texture tex) {
+			Bind(TextureTarget.Texture2D);
+
+			// todo: check if this is configurable
+			GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
+			GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMagFilter.Linear);
+
+			//byte[] pixelData = new byte[tex.BaseImage.Width * tex.BaseImage.Height * 4];
+
+			var lb = tex.BaseImage.LockBits(
+				new System.Drawing.Rectangle(0, 0, tex.BaseImage.Width, tex.BaseImage.Height),
+				System.Drawing.Imaging.ImageLockMode.ReadOnly,
+				System.Drawing.Imaging.PixelFormat.Format32bppArgb);
+
+			GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Four,
+				tex.BaseImage.Width, tex.BaseImage.Height, 0,
+				PixelFormat.Bgra, PixelType.UnsignedByte, lb.Scan0);
+
+			tex.BaseImage.UnlockBits(lb);
+		}
+
+		public void Bind(TextureTarget target) {
+			GL.BindTexture(target, TextureID);
+		}
+	}
+}
+
diff --git a/NW4RTools/Models/TextureInfo.cs b/NW4RTools/Models/TextureInfo.cs
index c8bc9a4..57a7169 100644
--- a/NW4RTools/Models/TextureInfo.cs
+++ b/NW4RTools/Models/TextureInfo.cs
@@ -3,7 +3,8 @@ using System;
 namespace NW4RTools.Models {
 	public class TextureInfo {
 		public string TextureName, PaletteName;
-		public UInt32 TexMapID, TlutID, WrapS, WrapT, MinFilt, MagFilt;
+		public UInt32 TexMapID, TlutID, MinFilt, MagFilt;
+		public TextureWrapType WrapS, WrapT;
 		public float LODBias;
 		public UInt32 MaxAniso;
 		public bool BiasClamp, DoEdgeLOD;
diff --git a/NW4RTools/Models/VertexData.cs b/NW4RTools/Models/VertexData.cs
index 5b1a50a..187b9aa 100644
--- a/NW4RTools/Models/VertexData.cs
+++ b/NW4RTools/Models/VertexData.cs
@@ -10,23 +10,24 @@ namespace NW4RTools.Models {
 		public UInt16 EntryCount;
 
 		// Todo, decode data when reading
-		public byte[] Data;
+		public byte[] RawData;
+		public float[][] Data;
 
 		public VertexDataBase() {
 		}
 
-		public float[] GetEntry(int index) {
+		public virtual 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);
+			InputStream ins = new InputStream(RawData);
 			ins.Seek(index * EntrySize);
 
 			for (int i = 0; i < ret.Length; i++) {
 				switch (ComponentType) {
 				case VertexSettings.CompType.UInt8:
+					ret[i] = (float)ins.ReadByte() * scale;
 					break;
 				case VertexSettings.CompType.Int8:
 					ret[i] = (float)ins.ReadSByte() * scale;
@@ -36,7 +37,6 @@ namespace NW4RTools.Models {
 					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();
@@ -49,6 +49,18 @@ namespace NW4RTools.Models {
 			return ret;
 		}
 
+		public void Parse() {
+			if (Data != null)
+				return;
+
+			Data = new float[EntryCount][];
+
+			for (int i = 0; i < EntryCount; i++) {
+				Data[i] = GetEntry(i);
+			}
+		}
+
+
 		public abstract int GetRealCount();
 	}
 
@@ -101,6 +113,79 @@ namespace NW4RTools.Models {
 				return -1;
 			}
 		}
+
+		public override float[] GetEntry(int index) {
+			float[] ret = new float[GetRealCount()];
+
+			InputStream ins = new InputStream(RawData);
+			ins.Seek(index * EntrySize);
+
+			byte r, g, b, a;
+
+			// todo: better solution instead of this cast
+			switch ((VertexSettings.CompClrType)ComponentType) {
+			case VertexSettings.CompClrType.RGB565:
+				ushort v565 = ins.ReadUInt16();
+				r = (byte)((v565 & 0xF800) >> 8);
+				g = (byte)((v565 & 0x07E0) >> 3);
+				b = (byte)((v565 & 0x001F) << 3);
+				a = 255;
+				break;
+
+			case VertexSettings.CompClrType.RGB8:
+				r = ins.ReadByte();
+				g = ins.ReadByte();
+				b = ins.ReadByte();
+				a = 255;
+				break;
+
+			case VertexSettings.CompClrType.RGBX8:
+				r = ins.ReadByte();
+				g = ins.ReadByte();
+				b = ins.ReadByte();
+				a = 255;
+				ins.Skip(1);
+				break;
+
+			case VertexSettings.CompClrType.RGBA4:
+				ushort vA4 = ins.ReadUInt16();
+				r = (byte)((vA4 & 0xF000) >> 8);
+				g = (byte)((vA4 & 0x0F00) >> 4);
+				b = (byte)(vA4 & 0x00F0);
+				a = (byte)((vA4 & 0x000F) << 4);
+				break;
+
+			case VertexSettings.CompClrType.RGBA6:
+				byte v1 = ins.ReadByte();
+				byte v2 = ins.ReadByte();
+				byte v3 = ins.ReadByte();
+				r = (byte)(v1 & 0xF8);
+				g = (byte)(((v1 & 7) << 6) | ((v2 & 0xF0) >> 2));
+				b = (byte)(((v2 & 0xF) << 4) | ((v3 & 0xC) >> 4));
+				a = (byte)((v3 & 0x3F) << 2);
+				break;
+
+			case VertexSettings.CompClrType.RGBA8:
+				r = ins.ReadByte();
+				g = ins.ReadByte();
+				b = ins.ReadByte();
+				a = ins.ReadByte();
+				break;
+
+			default:
+				throw new NotImplementedException(String.Format("unimplemented type {0}", (int)ComponentType));
+			}
+
+			// this is the easiest way I can think of to handle this atm
+			// just use floats for EVERYTHING
+			ret[0] = r * (1.0f / 256);
+			ret[1] = g * (1.0f / 256);
+			ret[2] = b * (1.0f / 256);
+			if (ret.Length > 3)
+				ret[3] = a * (1.0f / 256);
+
+			return ret;
+		}
 	}