/// <summary>
/// Parses a vertex parameter.
/// </summary>
/// <remarks>
/// If there is a single value, it will be repeated across all elements.
/// If there are two values, 3 = 0.0, 4 = 1.0.
/// if there are three values, 4 = 1.0.
/// </remarks>
/// <param name="lexer"></param>
/// <param name="newStage"></param>
private void ParseVertexParameter(idLexer lexer, ref NewMaterialStage newStage)
{
idToken token = lexer.ReadTokenOnLine();
int parm = token.ToInt32();
int tmp = 0;
string tokenValue = token.ToString();
if((int.TryParse(tokenValue, out tmp) == false) || (parm < 0))
{
idConsole.Warning("bad vertexParm number");
this.MaterialFlag = MaterialFlags.Defaulted;
return;
}
newStage.VertexParameters[parm, 0] = ParseExpression(lexer);
token = lexer.ReadTokenOnLine();
if((token == null) || (token.ToString() != ","))
{
newStage.VertexParameters[parm, 1] = newStage.VertexParameters[parm, 2] = newStage.VertexParameters[parm, 3] = newStage.VertexParameters[parm, 0];
}
else
{
newStage.VertexParameters[parm, 1] = ParseExpression(lexer);
token = lexer.ReadTokenOnLine();
if((token == null) || (token.ToString() != ","))
{
newStage.VertexParameters[parm, 2] = GetExpressionConstant(0);
newStage.VertexParameters[parm, 3] = GetExpressionConstant(1);
}
else
{
newStage.VertexParameters[parm, 2] = ParseExpression(lexer);
token = lexer.ReadTokenOnLine();
if((token == null) || (token.ToString() != ","))
{
newStage.VertexParameters[parm, 3] = GetExpressionConstant(1);
}
else
{
newStage.VertexParameters[parm, 3] = ParseExpression(lexer);
}
}
}
}
private void ParseFragmentMap(idLexer lexer, ref NewMaterialStage newStage)
{
TextureFilter textureFilter = TextureFilter.Default;
TextureRepeat textureRepeat = TextureRepeat.Repeat;
TextureDepth textureDepth = TextureDepth.Default;
CubeFiles cubeMap = CubeFiles.TwoD;
bool allowPicmip = true;
idToken token = lexer.ReadTokenOnLine();
int unit = token.ToInt32();
int tmp;
if((int.TryParse(token.ToString(), out tmp) == false) || (unit < 0))
{
idConsole.Warning("bad fragmentMap number");
this.MaterialFlag = MaterialFlags.Defaulted;
return;
}
// unit 1 is the normal map.. make sure it gets flagged as the proper depth
if(unit == 1)
{
textureDepth = TextureDepth.Bump;
}
string tokenValue;
string tokenLower;
while(true)
{
token = lexer.ReadTokenOnLine();
tokenValue = token.ToString();
tokenLower = tokenValue.ToLower();
if(tokenLower == "cubemap")
{
cubeMap = CubeFiles.Native;
}
else if(tokenLower == "cameracubemap")
{
cubeMap = CubeFiles.Camera;
}
else if(tokenLower == "nearest")
{
textureFilter = TextureFilter.Nearest;
}
else if(tokenLower == "linear")
{
textureFilter = TextureFilter.Linear;
}
else if(tokenLower == "clamp")
{
textureRepeat = TextureRepeat.Clamp;
}
else if(tokenLower == "noclamp")
{
textureRepeat = TextureRepeat.Repeat;
}
else if(tokenLower == "zeroclamp")
{
textureRepeat = TextureRepeat.ClampToZero;
}
else if(tokenLower == "alphazeroclamp")
{
textureRepeat = TextureRepeat.ClampToZeroAlpha;
}
else if(tokenLower == "forcehighquality")
{
textureDepth = TextureDepth.HighQuality;
}
else if((tokenLower == "uncompressed")
|| (tokenLower == "highquality"))
{
if(idE.CvarSystem.GetInteger("image_ignoreHighQuality") == 0)
{
textureDepth = TextureDepth.HighQuality;
}
}
else if(tokenLower == "nopicmip")
{
allowPicmip = false;
}
else
{
// assume anything else is the image name.
lexer.UnreadToken = token;
break;
}
}
// TODO
string image = ParsePastImageProgram(lexer);
// TODO: fragment program images. remember we use a global
// sampler state. it'll ignore these texturemin/max filters.
idConsole.Warning("TODO: fragment program images");
/*
newStage->fragmentProgramImages[unit] =
globalImages->ImageFromFile( str, tf, allowPicmip, trp, td, cubeMap );
if ( !newStage->fragmentProgramImages[unit] ) {
newStage->fragmentProgramImages[unit] = globalImages->defaultImage;
}*/
}
private void ParseStage(idLexer lexer, TextureRepeat textureRepeatDefault)
{
TextureFilter textureFilter = TextureFilter.Default;
TextureRepeat textureRepeat = textureRepeatDefault;
TextureDepth textureDepth = TextureDepth.Default;
CubeFiles cubeMap = CubeFiles.TwoD;
bool allowPicmip = true;
string imageName = string.Empty;
NewMaterialStage newStage = new NewMaterialStage();
newStage.VertexParameters = new int[4, 4];
MaterialStage materialStage = new MaterialStage();
materialStage.ConditionRegister = GetExpressionConstant(1);
materialStage.Color.Registers = new int[] {
GetExpressionConstant(1),
GetExpressionConstant(1),
GetExpressionConstant(1),
GetExpressionConstant(1)
};
int[,] matrix = new int[2, 3];
idToken token;
int a, b;
string tokenValue;
string tokenLower;
while(true)
{
if(TestMaterialFlag(MaterialFlags.Defaulted) == true)
{
// we have a parse error
return;
}
else if((token = lexer.ExpectAnyToken()) == null)
{
this.MaterialFlag = MaterialFlags.Defaulted;
return;
}
tokenValue = token.ToString();
tokenLower = tokenValue.ToLower();
// the close brace for the entire material ends the draw block
if(tokenLower == "}")
{
break;
}
// BSM Nerve: Added for stage naming in the material editor
else if(tokenLower == "name")
{
lexer.SkipRestOfLine();
}
// image options
else if(tokenLower == "blend")
{
ParseBlend(lexer, ref materialStage);
}
else if(tokenLower == "map")
{
imageName = ParsePastImageProgram(lexer);
}
else if(tokenLower == "remoterendermap")
{
materialStage.Texture.Dynamic = DynamicImageType.RemoteRender;
materialStage.Texture.Width = lexer.ParseInt();
materialStage.Texture.Height = lexer.ParseInt();
}
else if(tokenLower == "mirrorrendermap")
{
materialStage.Texture.Dynamic = DynamicImageType.MirrorRender;
materialStage.Texture.Width = lexer.ParseInt();
materialStage.Texture.Height = lexer.ParseInt();
materialStage.Texture.TextureCoordinates = TextureCoordinateGeneration.Screen;
}
else if(tokenLower == "xrayrendermap")
{
materialStage.Texture.Dynamic = DynamicImageType.XRayRender;
materialStage.Texture.Width = lexer.ParseInt();
materialStage.Texture.Height = lexer.ParseInt();
materialStage.Texture.TextureCoordinates = TextureCoordinateGeneration.Screen;
}
else if(tokenLower == "screen")
{
materialStage.Texture.TextureCoordinates = TextureCoordinateGeneration.Screen;
}
else if(tokenLower == "screen2")
{
materialStage.Texture.TextureCoordinates = TextureCoordinateGeneration.Screen;
}
else if(tokenLower == "glasswarp")
{
materialStage.Texture.TextureCoordinates = TextureCoordinateGeneration.GlassWarp;
}
else if(tokenLower == "videomap")
{
// note that videomaps will always be in clamp mode, so texture
// coordinates had better be in the 0 to 1 range
if((token = lexer.ReadToken()) == null)
{
idConsole.Warning("missing parameter for 'videoMap' keyword in material '{0}'", this.Name);
}
else
{
bool loop = false;
if(token.ToString().Equals("loop", StringComparison.OrdinalIgnoreCase) == true)
{
loop = true;
if((token = lexer.ReadToken()) == null)
{
idConsole.Warning("missing parameter for 'videoMap' keyword in material '{0}'", this.Name);
continue;
}
}
idConsole.Warning("TODO: material videoMap keyword");
// TODO: cinematic
/*ts->cinematic = idCinematic::Alloc();
ts->cinematic->InitFromFile( token.c_str(), loop );*/
}
}
else if(tokenLower == "soundmap")
{
if((token = lexer.ReadToken()) == null)
{
idConsole.Warning("missing parameter for 'soundMap' keyword in material '{0}'", this.Name);
}
else
{
idConsole.Warning("TODO: material soundMap keyword");
// TODO
/*ts->cinematic = new idSndWindow();
ts->cinematic->InitFromFile( token.c_str(), true );*/
}
}
else if(tokenLower == "cubemap")
{
imageName = ParsePastImageProgram(lexer);
cubeMap = CubeFiles.Native;
}
else if(tokenLower == "cameracubemap")
{
imageName = ParsePastImageProgram(lexer);
cubeMap = CubeFiles.Camera;
}
else if(tokenLower == "ignorealphatest")
{
materialStage.IgnoreAlphaTest = true;
}
else if(tokenLower == "nearest")
{
textureFilter = TextureFilter.Nearest;
}
else if(tokenLower == "linear")
{
textureFilter = TextureFilter.Linear;
}
else if(tokenLower == "clamp")
{
textureRepeat = TextureRepeat.Clamp;
}
else if(tokenLower == "noclamp")
{
textureRepeat = TextureRepeat.Repeat;
}
else if(tokenLower == "zeroclamp")
{
textureRepeat = TextureRepeat.ClampToZero;
}
else if(tokenLower == "alphazeroclamp")
{
textureRepeat = TextureRepeat.ClampToZeroAlpha;
}
else if((tokenLower == "uncompressed")
|| (tokenLower == "highquality"))
{
if(idE.CvarSystem.GetInteger("image_ignoreHighQuality") == 0)
{
textureDepth = TextureDepth.HighQuality;
}
}
else if(tokenLower == "forcehighquality")
{
textureDepth = TextureDepth.HighQuality;
}
else if(tokenLower == "nopicmip")
{
allowPicmip = false;
}
else if(tokenLower == "vertexcolor")
{
materialStage.VertexColor = StageVertexColor.Modulate;
}
else if(tokenLower == "inversevertexcolor")
{
materialStage.VertexColor = StageVertexColor.InverseModulate;
}
// privatePolygonOffset
else if(tokenLower == "privatepolygonoffset")
{
if((token = lexer.ReadTokenOnLine()) == null)
{
materialStage.PrivatePolygonOffset = 1;
}
else
{
// explict larger (or negative) offset
lexer.UnreadToken = token;
materialStage.PrivatePolygonOffset = lexer.ParseFloat();
}
}
// texture coordinate generation
else if(tokenLower == "texgen")
{
token = lexer.ExpectAnyToken();
tokenValue = token.ToString();
tokenLower = tokenValue.ToLower();
if(tokenLower == "normal")
{
materialStage.Texture.TextureCoordinates = TextureCoordinateGeneration.DiffuseCube;
}
else if(tokenLower == "reflect")
{
materialStage.Texture.TextureCoordinates = TextureCoordinateGeneration.ReflectCube;
}
else if(tokenLower == "skybox")
{
materialStage.Texture.TextureCoordinates = TextureCoordinateGeneration.SkyboxCube;
}
else if(tokenLower == "wobblesky")
{
materialStage.Texture.TextureCoordinates = TextureCoordinateGeneration.WobbleSkyCube;
_texGenRegisters = new int[4];
_texGenRegisters[0] = ParseExpression(lexer);
_texGenRegisters[1] = ParseExpression(lexer);
_texGenRegisters[2] = ParseExpression(lexer);
}
else
{
idConsole.Warning("bad texGen '{0}' in material {1}", tokenValue, this.Name);
this.MaterialFlag = MaterialFlags.Defaulted;
}
}
else if((tokenLower == "scroll")
|| (tokenLower == "translate"))
{
a = ParseExpression(lexer);
MatchToken(lexer, ",");
b = ParseExpression(lexer);
matrix[0, 0] = GetExpressionConstant(1);
matrix[0, 1] = GetExpressionConstant(0);
matrix[0, 2] = a;
matrix[1, 0] = GetExpressionConstant(0);
matrix[1, 1] = GetExpressionConstant(1);
matrix[1, 2] = b;
MultiplyTextureMatrix(ref materialStage.Texture, matrix);
}
else if(tokenLower == "scale")
{
a = ParseExpression(lexer);
MatchToken(lexer, ",");
b = ParseExpression(lexer);
// this just scales without a centering
matrix[0, 0] = a;
matrix[0, 1] = GetExpressionConstant(0);
matrix[0, 2] = GetExpressionConstant(0);
matrix[1, 0] = GetExpressionConstant(0);
matrix[1, 1] = b;
matrix[1, 2] = GetExpressionConstant(0);
MultiplyTextureMatrix(ref materialStage.Texture, matrix);
}
else if(tokenLower == "centerscale")
{
a = ParseExpression(lexer);
MatchToken(lexer, ",");
b = ParseExpression(lexer);
// this subtracts 0.5, then scales, then adds 0.5
matrix[0, 0] = a;
matrix[0, 1] = GetExpressionConstant(0);
matrix[0, 2] = EmitOp(GetExpressionConstant(0.5f), EmitOp(GetExpressionConstant(0.5f), a, ExpressionOperationType.Multiply), ExpressionOperationType.Subtract);
matrix[1, 0] = GetExpressionConstant(0);
matrix[1, 1] = b;
matrix[1, 2] = EmitOp(GetExpressionConstant(0.5f), EmitOp(GetExpressionConstant(0.5f), b, ExpressionOperationType.Multiply), ExpressionOperationType.Subtract);
MultiplyTextureMatrix(ref materialStage.Texture, matrix);
}
else if(tokenLower == "shear")
{
a = ParseExpression(lexer);
MatchToken(lexer, ",");
b = ParseExpression(lexer);
// this subtracts 0.5, then shears, then adds 0.5
matrix[0, 0] = GetExpressionConstant(1);
matrix[0, 1] = a;
matrix[0, 2] = EmitOp(GetExpressionConstant(-0.5f), a, ExpressionOperationType.Multiply);
matrix[1, 0] = b;
matrix[1, 1] = GetExpressionConstant(1);
matrix[1, 2] = EmitOp(GetExpressionConstant(-0.5f), b, ExpressionOperationType.Multiply);
MultiplyTextureMatrix(ref materialStage.Texture, matrix);
}
else if(tokenLower == "rotate")
{
int sinReg, cosReg;
// in cycles
a = ParseExpression(lexer);
idDeclTable table = idE.DeclManager.FindType<idDeclTable>(DeclType.Table, "sinTable", false);
if(table == null)
{
idConsole.Warning("no sinTable for rotate defined");
this.MaterialFlag = MaterialFlags.Defaulted;
return;
}
sinReg = EmitOp(table.Index, a, ExpressionOperationType.Table);
table = idE.DeclManager.FindType<idDeclTable>(DeclType.Table, "cosTable", false);
if(table == null)
{
idConsole.Warning("no cosTable for rotate defined");
this.MaterialFlag = MaterialFlags.Defaulted;
return;
}
cosReg = EmitOp(table.Index, a, ExpressionOperationType.Table);
// this subtracts 0.5, then rotates, then adds 0.5
matrix[0, 0] = cosReg;
matrix[0, 1] = EmitOp(GetExpressionConstant(0), sinReg, ExpressionOperationType.Subtract);
matrix[0, 2] = EmitOp(EmitOp(EmitOp(GetExpressionConstant(-0.5f), cosReg, ExpressionOperationType.Multiply),
EmitOp(GetExpressionConstant(0.5f), sinReg, ExpressionOperationType.Multiply), ExpressionOperationType.Add),
GetExpressionConstant(0.5f), ExpressionOperationType.Add);
matrix[1, 0] = sinReg;
matrix[1, 1] = cosReg;
matrix[1, 2] = EmitOp(EmitOp(EmitOp(GetExpressionConstant(-0.5f), sinReg, ExpressionOperationType.Multiply),
EmitOp(GetExpressionConstant(-0.5f), cosReg, ExpressionOperationType.Multiply), ExpressionOperationType.Add),
GetExpressionConstant(0.5f), ExpressionOperationType.Add);
MultiplyTextureMatrix(ref materialStage.Texture, matrix);
}
// color mask options
else if(tokenLower == "maskred")
{
materialStage.DrawStateBits |= MaterialStates.RedMask;
}
else if(tokenLower == "maskgreen")
{
materialStage.DrawStateBits |= MaterialStates.GreenMask;
}
else if(tokenLower == "maskblue")
{
materialStage.DrawStateBits |= MaterialStates.BlueMask;
}
else if(tokenLower == "maskalpha")
{
materialStage.DrawStateBits |= MaterialStates.AlphaMask;
}
else if(tokenLower == "maskcolor")
{
materialStage.DrawStateBits |= MaterialStates.ColorMask;
}
else if(tokenLower == "maskdepth")
{
materialStage.DrawStateBits |= MaterialStates.DepthMask;
}
else if(tokenLower == "alphatest")
{
materialStage.HasAlphaTest = true;
materialStage.AlphaTestRegister = ParseExpression(lexer);
_coverage = MaterialCoverage.Perforated;
}
// shorthand for 2D modulated
else if(tokenLower == "colored")
{
materialStage.Color.Registers[0] = (int) ExpressionRegister.Parm0;
materialStage.Color.Registers[1] = (int) ExpressionRegister.Parm1;
materialStage.Color.Registers[2] = (int) ExpressionRegister.Parm2;
materialStage.Color.Registers[3] = (int) ExpressionRegister.Parm3;
_parsingData.RegistersAreConstant = false;
}
else if(tokenLower == "color")
{
materialStage.Color.Registers[0] = ParseExpression(lexer);
MatchToken(lexer, ",");
materialStage.Color.Registers[1] = ParseExpression(lexer);
MatchToken(lexer, ",");
materialStage.Color.Registers[2] = ParseExpression(lexer);
MatchToken(lexer, ",");
materialStage.Color.Registers[3] = ParseExpression(lexer);
}
else if(tokenLower == "red")
{
materialStage.Color.Registers[0] = ParseExpression(lexer);
}
else if(tokenLower == "green")
{
materialStage.Color.Registers[1] = ParseExpression(lexer);
}
else if(tokenLower == "blue")
{
materialStage.Color.Registers[2] = ParseExpression(lexer);
}
else if(tokenLower == "alpha")
{
materialStage.Color.Registers[3] = ParseExpression(lexer);
}
else if(tokenLower == "rgb")
{
materialStage.Color.Registers[0] = materialStage.Color.Registers[1] = materialStage.Color.Registers[2] = ParseExpression(lexer);
}
else if(tokenLower == "rgba")
{
materialStage.Color.Registers[0] = materialStage.Color.Registers[1] = materialStage.Color.Registers[2] = materialStage.Color.Registers[3] = ParseExpression(lexer);
}
else if(tokenLower == "if")
{
materialStage.ConditionRegister = ParseExpression(lexer);
}
else if(tokenLower == "program")
{
if((token = lexer.ReadTokenOnLine()) != null)
{
idConsole.Warning("TODO: material program keyword");
// TODO
/*newStage.vertexProgram = R_FindARBProgram( GL_VERTEX_PROGRAM_ARB, token.c_str() );
newStage.fragmentProgram = R_FindARBProgram( GL_FRAGMENT_PROGRAM_ARB, token.c_str() );*/
}
}
else if(tokenLower == "fragmentprogram")
{
if((token = lexer.ReadTokenOnLine()) != null)
{
idConsole.Warning("TODO: material fragmentProgram keyword");
// TODO
//newStage.fragmentProgram = R_FindARBProgram( GL_FRAGMENT_PROGRAM_ARB, token.c_str() );
}
}
else if(tokenLower == "vertexprogram")
{
if((token = lexer.ReadTokenOnLine()) != null)
{
idConsole.Warning("TODO: material vertexProgram keyword");
// TODO
//newStage.vertexProgram = R_FindARBProgram( GL_VERTEX_PROGRAM_ARB, token.c_str() );
}
}
else if(tokenLower == "megatexture")
{
if((token = lexer.ReadTokenOnLine()) != null)
{
idConsole.Warning("TODO: material megaTexture keyword");
// TODO
/*newStage.megaTexture = new idMegaTexture;
if ( !newStage.megaTexture->InitFromMegaFile( token.c_str() ) ) {
delete newStage.megaTexture;
SetMaterialFlag( MF_DEFAULTED );
continue;
}
newStage.vertexProgram = R_FindARBProgram( GL_VERTEX_PROGRAM_ARB, "megaTexture.vfp" );
newStage.fragmentProgram = R_FindARBProgram( GL_FRAGMENT_PROGRAM_ARB, "megaTexture.vfp" );*/
}
}
else if(tokenLower == "vertexparm")
{
ParseVertexParameter(lexer, ref newStage);
}
else if(tokenLower == "fragmentmap")
{
ParseFragmentMap(lexer, ref newStage);
}
else
{
idConsole.Warning("unknown token '{0}' in material '{1}'", tokenValue, this.Name);
this.MaterialFlag = MaterialFlags.Defaulted;
return;
}
}
// if we are using newStage, allocate a copy of it
if((newStage.FragmentProgram != 0) || (newStage.VertexProgram != 0))
{
materialStage.NewStage = newStage;
}
// select a compressed depth based on what the stage is
if(textureDepth == TextureDepth.Default)
{
switch(materialStage.Lighting)
{
case StageLighting.Bump:
textureDepth = TextureDepth.Bump;
break;
case StageLighting.Diffuse:
textureDepth = TextureDepth.Diffuse;
break;
case StageLighting.Specular:
textureDepth = TextureDepth.Specular;
break;
}
}
// now load the image with all the parms we parsed
if((imageName != null) && (imageName != string.Empty))
{
materialStage.Texture.Image = idE.ImageManager.ImageFromFile(imageName, textureFilter, allowPicmip, textureRepeat, textureDepth, cubeMap);
if(materialStage.Texture.Image == null)
{
materialStage.Texture.Image = idE.ImageManager.DefaultImage;
}
}
else if(/*TODO: !ts->cinematic &&*/ (materialStage.Texture.Dynamic == 0) && (materialStage.NewStage.IsEmpty == true))
{
idConsole.Warning("material '{0}' had stage with no image", this.Name);
materialStage.Texture.Image = idE.ImageManager.DefaultImage;
}
// successfully parsed a stage.
_parsingData.Stages.Add(materialStage);
}