public NsbmdModel.ShapeInfoStruct process3DCommand(byte[] polydata, NsbmdModel.ShapeInfoStruct poly)
{
if (polydata == null)
{
return(poly);
}
else
{
MemoryStream polyStream = new MemoryStream();
polyStream.Write(polydata, 0, polydata.Length);
var reader = new BinaryReader(polyStream);
reader.BaseStream.Position = 0;
var actualCommand = new NsbmdModel.CommandStruct();
poly.commandList = new List <NsbmdModel.CommandStruct>();
int cur_vertex, idCounter;
int blockCounter = 0;
float[] vtx_state = { 0.0f, 0.0f, 0.0f };
float[] vtx_trans = { 0.0f, 0.0f, 0.0f };
cur_vertex = gCurrentVertex; // for vertex_mode
CurrentMatrix = MatrixStack[stackID].Clone();
while (reader.BaseStream.Position < polyStream.Length)
{
idCounter = initId(ref poly, polyStream, reader);
renderPackedCommand(ref poly, polyStream, reader, ref actualCommand, ref cur_vertex, ref idCounter, ref blockCounter, vtx_state, ref vtx_trans);
}
return(poly);
}
}
private void reactionMatrixScale(ref NsbmdModel.ShapeInfoStruct poly, BinaryReader reader, ref NsbmdModel.CommandStruct actualCommand, int idCounter, int blockCounter)
{
/*
* MTX_SCALE - Multiply Current Matrix by Scale Matrix (W)
* Sets C=M*C. Parameters: 3, m[0..2] (MTX_SCALE doesn't change Vector Matrix)
*/
actualCommand = poly.commandList[blockCounter + idCounter];
actualCommand.x = reader.ReadInt32();
actualCommand.y = reader.ReadInt32();
actualCommand.z = reader.ReadInt32();
CurrentMatrix.Scale(actualCommand.x / SCALE_IV, actualCommand.y / SCALE_IV, actualCommand.z / SCALE_IV);
poly.commandList[blockCounter + idCounter] = actualCommand;
}
private void reactionColor(ref NsbmdModel.ShapeInfoStruct poly, BinaryReader reader, ref NsbmdModel.CommandStruct actualCommand, int idCounter, int blockCounter)
{
actualCommand = poly.commandList[blockCounter + idCounter];
actualCommand.par = reader.ReadInt32();
actualCommand.x = (actualCommand.par >> 0) & 0x1F;
actualCommand.y = (actualCommand.par >> 5) & 0x1F;
actualCommand.z = (actualCommand.par >> 10) & 0x1F;
Gl.glColor3f(((float)actualCommand.x) / 31.0f, ((float)actualCommand.y) / 31.0f, ((float)actualCommand.z) / 31.0f);
Gl.glColor3f(1, 1, 1);
poly.commandList[blockCounter + idCounter] = actualCommand;
}
private void reactionNormal(ref NsbmdModel.ShapeInfoStruct poly, BinaryReader reader, ref NsbmdModel.CommandStruct actualCommand, int idCounter, int blockCounter)
{
/*
* Set Normal Vector (W)
* 0-9 X-Component of Normal Vector (1bit sign + 9bit fractional part)
* 10-19 Y-Component of Normal Vector (1bit sign + 9bit fractional part)
* 20-29 Z-Component of Normal Vector (1bit sign + 9bit fractional part)
* 30-31 Not used
*/
actualCommand = poly.commandList[blockCounter + idCounter];
actualCommand.par = reader.ReadInt32();
actualCommand.x = (actualCommand.par >> 0) & 0x3FF;
if ((actualCommand.x & 0x200) != 0)
{
actualCommand.x |= -1024;
}
actualCommand.y = (actualCommand.par >> 10) & 0x3FF;
if ((actualCommand.y & 0x200) != 0)
{
actualCommand.y |= -1024;
}
actualCommand.z = (actualCommand.par >> 20) & 0x3FF;
if ((actualCommand.z & 0x200) != 0)
{
actualCommand.z |= -1024;
}
Gl.glPushName((int)actualCommand.startParameterOffset);
Gl.glNormal3f(((float)actualCommand.x) / 512.0f, ((float)actualCommand.y) / 512.0f, ((float)actualCommand.z) / 512.0f);
Gl.glPopName();
poly.commandList[blockCounter + idCounter] = actualCommand;
}
private void reactionTextureCoordinate(ref NsbmdModel.ShapeInfoStruct poly, BinaryReader reader, ref NsbmdModel.CommandStruct actualCommand, int idCounter, int blockCounter)
{
/*
* Set Texture Coordinates (W)
* Parameter 1, Bit 0-15 S-Coordinate (X-Coordinate in Texture Source)
* Parameter 1, Bit 16-31 T-Coordinate (Y-Coordinate in Texture Source)
* Both values are 1bit sign + 11bit integer + 4bit fractional part.
* A value of 1.0 (=1 SHL 4) equals to one Texel.
*/
{
actualCommand = poly.commandList[blockCounter + idCounter];
actualCommand.par = reader.ReadInt32();
actualCommand.x = (actualCommand.par >> 0) & 0xffff;
if ((actualCommand.x & 0x8000) != 0)
{
actualCommand.x |= -65536;
}
actualCommand.y = (actualCommand.par >> 16) & 0xffff;
if ((actualCommand.y & 0x8000) != 0)
{
actualCommand.y |= -65536;
}
Gl.glPushName((int)actualCommand.startParameterOffset);
Gl.glTexCoord2f(((float)actualCommand.x) / 16.0f, ((float)actualCommand.y) / 16.0f);
poly.commandList[blockCounter + idCounter] = actualCommand;
}
}
private void reactionVtx_16(ref NsbmdModel.ShapeInfoStruct poly, BinaryReader reader, ref NsbmdModel.CommandStruct actualCommand, int idCounter, int blockCounter, float[] vtx_state, ref float[] vtx_trans)
{
/*
* VTX_16 - Set Vertex XYZ Coordinates (W)
* Parameter 1, Bit 0-15 X-Coordinate (signed, with 12bit fractional part)
* Parameter 1, Bit 16-31 Y-Coordinate (signed, with 12bit fractional part)
* Parameter 2, Bit 0-15 Z-Coordinate (signed, with 12bit fractional part)
* Parameter 2, Bit 16-31 Not used
*/
{
actualCommand = poly.commandList[blockCounter + idCounter];
actualCommand.par = reader.ReadInt32();
actualCommand.x = (actualCommand.par >> 0) & 0xFFFF;
if ((actualCommand.x & 0x8000) != 0)
{
actualCommand.x |= -65536;
}
actualCommand.y = (actualCommand.par >> 16) & 0xFFFF;
if ((actualCommand.y & 0x8000) != 0)
{
actualCommand.y |= -65536;
}
actualCommand.par2 = reader.ReadInt32();
actualCommand.z = actualCommand.par2 & 0xFFFF;
if ((actualCommand.z & 0x8000) != 0)
{
actualCommand.z |= -65536;
}
xBuffer = actualCommand.x;
yBuffer = actualCommand.y;
zBuffer = actualCommand.z;
vtx_state[0] = ((float)actualCommand.x) / SCALE_IV;
vtx_state[1] = ((float)actualCommand.y) / SCALE_IV;
vtx_state[2] = ((float)actualCommand.z) / SCALE_IV;
Gl.glPushName((int)actualCommand.startParameterOffset);
if (stackID != -1)
{
vtx_trans = CurrentMatrix.MultVector(vtx_state);
Gl.glVertex3fv(vtx_trans);
}
else
{
Gl.glVertex3fv(vtx_state);
}
poly.commandList[blockCounter + idCounter] = actualCommand;
}
}
private void reactionVtx_Diff(ref NsbmdModel.ShapeInfoStruct poly, BinaryReader reader, ref NsbmdModel.CommandStruct actualCommand, int idCounter, int blockCounter, float[] vtx_state, ref float[] vtx_trans)
{
/*
* VTX_DIFF - Set Relative Vertex Coordinates (W)
* Parameter 1, Bit 0-9 X-Difference (signed, with 9bit fractional part)
* Parameter 1, Bit 10-19 Y-Difference (signed, with 9bit fractional part)
* Parameter 1, Bit 20-29 Z-Difference (signed, with 9bit fractional part)
* Parameter 1, Bit 30-31 Not used
*/
{
actualCommand.id = 0x28;
actualCommand.par = reader.ReadInt32();
actualCommand.x = (actualCommand.par >> 0) & 0x3FF;
if ((actualCommand.x & 0x200) != 0)
{
actualCommand.x |= -1024;
}
actualCommand.y = (actualCommand.par >> 10) & 0x3FF;
if ((actualCommand.y & 0x200) != 0)
{
actualCommand.y |= -1024;
}
actualCommand.z = (actualCommand.par >> 20) & 0x3FF;
if ((actualCommand.z & 0x200) != 0)
{
actualCommand.z |= -1024;
}
xBuffer = actualCommand.x;
yBuffer = actualCommand.y;
zBuffer = actualCommand.z;
vtx_state[0] += ((float)actualCommand.x) / SCALE_IV;
vtx_state[1] += ((float)actualCommand.y) / SCALE_IV;
vtx_state[2] += ((float)actualCommand.z) / SCALE_IV;
Gl.glPushName((int)actualCommand.startParameterOffset);
if (stackID != -1)
{
vtx_trans = CurrentMatrix.MultVector(vtx_state);
Gl.glVertex3fv(vtx_trans);
}
else
{
Gl.glVertex3fv(vtx_state);
}
poly.commandList[blockCounter + idCounter] = actualCommand;
}
}
private static void reactionBegin(ref NsbmdModel.ShapeInfoStruct poly, BinaryReader reader, ref NsbmdModel.CommandStruct actualCommand, int idCounter, int blockCounter)
{
int mode;
actualCommand.par = reader.ReadInt32();
mode = actualCommand.par;
actualCommand.id = 0x40;
actualCommand.x = -1;
switch (mode)
{
case 0:
mode = Gl.GL_TRIANGLES;
break;
case 1:
mode = Gl.GL_QUADS;
break;
case 2:
mode = Gl.GL_TRIANGLE_STRIP;
break;
case 3:
mode = Gl.GL_QUAD_STRIP;
break;
}
Gl.glBegin(mode);
poly.commandList[blockCounter + idCounter] = actualCommand;
}
private void renderPackedCommand(ref NsbmdModel.ShapeInfoStruct poly, MemoryStream polyStream, BinaryReader reader, ref NsbmdModel.CommandStruct actualCommand, ref int cur_vertex, ref int idCounter, ref int blockCounter, float[] vtx_state, ref float[] vtx_trans)
{
for (idCounter = 0; idCounter < 4 && reader.BaseStream.Position < polyStream.Length; idCounter++)
{
switch (poly.commandList[blockCounter + idCounter].id)
{
case 0: // No Operation (for padding packed GXFIFO commands)
break;
case 0x14:
reactionMatrixRestore(reader);
break;
case 0x1b:
reactionMatrixScale(ref poly, reader, ref actualCommand, idCounter, blockCounter);
break;
case 0x20: // Directly Set Vertex Color (W)
reactionColor(ref poly, reader, ref actualCommand, idCounter, blockCounter);
break;
case 0x21:
reactionNormal(ref poly, reader, ref actualCommand, idCounter, blockCounter);
break;
case 0x22:
reactionTextureCoordinate(ref poly, reader, ref actualCommand, idCounter, blockCounter);
break;
case 0x23:
reactionVtx_16(ref poly, reader, ref actualCommand, idCounter, blockCounter, vtx_state, ref vtx_trans);
break;
case 0x24:
reactionVtx_10(ref poly, reader, ref actualCommand, idCounter, blockCounter, vtx_state, ref vtx_trans);
break;
case 0x25:
reactionVtx_XY(ref poly, reader, ref actualCommand, idCounter, blockCounter, vtx_state, ref vtx_trans);
break;
case 0x26:
reactionVtx_XZ(ref poly, reader, ref actualCommand, idCounter, blockCounter, vtx_state, ref vtx_trans);
break;
case 0x27:
reactionVtx_YZ(ref poly, reader, ref actualCommand, idCounter, blockCounter, vtx_state, ref vtx_trans);
break;
case 0x28:
reactionVtx_Diff(ref poly, reader, ref actualCommand, idCounter, blockCounter, vtx_state, ref vtx_trans);
break;
case 0x40: // Start of Vertex List (W)
reactionBegin(ref poly, reader, ref actualCommand, idCounter, blockCounter);
break;
case 0x41: // End of Vertex List (W)
Gl.glEnd();
cur_vertex--;
break;
default:
break;
}
if (idCounter == 3)
{
blockCounter += 4;
}
}
}