late night commit! obj importer is basic but working. also, tidied up DL stuff

1 files changed, 83 insertions, 0 deletions

diff --git a/NW4RTools/DisplayListWriter.cs b/NW4RTools/DisplayListWriter.cs
new file mode 100644
index 0000000..d75bc8d
--- /dev/null
+++ b/NW4RTools/DisplayListWriter.cs
@@ -0,0 +1,83 @@
+using System;
+namespace NW4RTools {
+	public class DisplayListWriter : OutputStream {
+		public DisplayListWriter() : base(ByteEndian.BigEndian) {
+		}
+
+
+		public void End() {
+			AlignTo(0x20);
+		}
+
+
+		public void Nop() {
+			WriteByte(0);
+		}
+
+		public void LoadBPReg(UInt32 value) {
+			WriteByte((byte)GXCommand.LoadBPReg);
+			WriteUInt32(value);
+		}
+
+		public void LoadCPReg(byte command, UInt32 value) {
+			WriteByte((byte)GXCommand.LoadCPReg);
+			WriteByte(command);
+			WriteUInt32(value);
+		}
+
+		public void LoadXFReg(ushort address, byte[] data) {
+			if ((data.Length & 3) != 0) {
+				throw new ArgumentException("Data length passed to LoadXFReg() is not aligned to 4 bytes", "data");
+			}
+
+			if (data.Length < 4 || data.Length > 0x44) {
+				throw new ArgumentException("Data length passed to LoadXFReg() must be at least 4 bytes and at most 0x44 bytes", "data");
+			}
+
+			WriteByte((byte)GXCommand.LoadXFReg);
+			WriteByte(0);
+			WriteByte((byte)((data.Length / 4) - 1));
+			WriteUInt16(address);
+			WriteBytes(data);
+		}
+
+		public void LoadPosMtxFromArray(uint number) {
+			WriteByte((byte)GXCommand.LoadPosMtxFromArray);
+			WriteUInt32(number);
+		}
+
+		public void LoadNrmMtxFromArray(uint number) {
+			WriteByte((byte)GXCommand.LoadNrmMtxFromArray);
+			WriteUInt32(number);
+		}
+
+		public void LoadTexCoordMtxFromArray(uint number) {
+			WriteByte((byte)GXCommand.LoadTexCoordMtxFromArray);
+			WriteUInt32(number);
+		}
+
+		public void LoadLightFromArray(uint number) {
+			WriteByte((byte)GXCommand.LoadLightFromArray);
+			WriteUInt32(number);
+		}
+
+		public void CallDisplayList(uint pointer, uint size) {
+			WriteByte((byte)GXCommand.CallDL);
+			WriteUInt32(pointer);
+			WriteUInt32(size);
+		}
+
+		public void UnknownMetrics() {
+			WriteByte((byte)GXCommand.UnknownMetrics);
+		}
+
+		public void BeginPrimitives(PrimitiveType type, int vatIndex, ushort vtxCount) {
+			byte command = (byte)GXCommand.DrawPrimitiveMask;
+			command |= (byte)((byte)type << (byte)GXCommand.PrimitiveShiftAmount);
+			command |= (byte)vatIndex;
+			WriteByte(command);
+			WriteUInt16(vtxCount);
+		}
+	}
+}
+