/// <summary>
/// Parses the material, if there are any errors during parsing the defaultShader will be set.
/// </summary>
/// <param name="lexer"></param>
private void ParseMaterial(idLexer lexer)
{
_registerCount = PredefinedRegisterCount; // leave space for the parms to be copied in.
for(int i = 0; i < _registerCount; i++)
{
_parsingData.RegisterIsTemporary[i] = true; // they aren't constants that can be folded.
}
TextureRepeat textureRepeatDefault = TextureRepeat.Repeat; // allow a global setting for repeat.
idToken token = null;
string tokenValue;
string tokenLower;
int count;
while(true)
{
if(TestMaterialFlag(Renderer.MaterialFlags.Defaulted) == true)
{
// we have a parse error.
return;
}
if((token = lexer.ExpectAnyToken()) == null)
{
this.MaterialFlag = MaterialFlags.Defaulted;
return;
}
tokenValue = token.ToString();
tokenLower = tokenValue.ToLower();
// end of material definition
if(tokenLower == "}")
{
break;
}
else if(tokenLower == "qer_editorimage")
{
token = lexer.ReadTokenOnLine();
_editorImageName = (token != null) ? token.ToString() : string.Empty;
lexer.SkipRestOfLine();
}
else if(tokenLower == "description")
{
token = lexer.ReadTokenOnLine();
_description = (token != null) ? token.ToString() : string.Empty;
}
// check for the surface / content bit flags.
else if(CheckSurfaceParameter(token) == true)
{
}
else if(tokenLower == "polygonoffset")
{
this.MaterialFlag = Renderer.MaterialFlags.PolygonOffset;
if((token = lexer.ReadTokenOnLine()) == null)
{
_polygonOffset = 1;
}
else
{
_polygonOffset = token.ToFloat();
}
}
// noshadow.
else if(tokenLower == "noshadows")
{
this.MaterialFlag = MaterialFlags.NoShadows;
}
else if(tokenLower == "suppressinsubview")
{
_suppressInSubview = true;
}
else if(tokenLower == "portalsky")
{
_portalSky = true;
}
else if(tokenLower == "noselfshadow")
{
this.MaterialFlag = Renderer.MaterialFlags.NoSelfShadow;
}
else if(tokenLower == "noportalfog")
{
this.MaterialFlag = Renderer.MaterialFlags.NoPortalFog;
}
// forceShadows allows nodraw surfaces to cast shadows.
else if(tokenLower == "forceshadows")
{
this.MaterialFlag = Renderer.MaterialFlags.ForceShadows;
}
// overlay / decal suppression.
else if(tokenLower == "nooverlays")
{
_allowOverlays = false;
}
// moster blood overlay forcing for alpha tested or translucent surfaces.
else if(tokenLower == "forceoverlays")
{
_parsingData.ForceOverlays = true;
}
else if(tokenLower == "translucent")
{
_coverage = MaterialCoverage.Translucent;
}
// global zero clamp.
else if(tokenLower == "zeroclamp")
{
textureRepeatDefault = TextureRepeat.ClampToZero;
}
// global clamp.
else if(tokenLower == "clamp")
{
textureRepeatDefault = TextureRepeat.Clamp;
}
// global clamp.
else if(tokenLower == "alphazeroclamp")
{
textureRepeatDefault = TextureRepeat.ClampToZero;
}
// forceOpaque is used for skies-behind-windows.
else if(tokenLower == "forceopaque")
{
_coverage = MaterialCoverage.Opaque;
}
else if(tokenLower == "twosided")
{
_cullType = CullType.TwoSided;
// twoSided implies no-shadows, because the shadow
// volume would be coplanar with the surface, giving depth fighting
// we could make this no-self-shadows, but it may be more important
// to receive shadows from no-self-shadow monsters.
this.MaterialFlag = Renderer.MaterialFlags.NoShadows;
}
else if(tokenLower == "backsided")
{
_cullType = CullType.Back;
// the shadow code doesn't handle this, so just disable shadows.
// We could fix this in the future if there was a need.
this.MaterialFlag = Renderer.MaterialFlags.NoShadows;
}
else if(tokenLower == "foglight")
{
_fogLight = true;
}
else if(tokenLower == "blendlight")
{
_blendLight = true;
}
else if(tokenLower == "ambientlight")
{
_ambientLight = true;
}
else if(tokenLower == "mirror")
{
_sort = (float) MaterialSort.Subview;
_coverage = MaterialCoverage.Opaque;
}
else if(tokenLower == "nofog")
{
_noFog = true;
}
else if(tokenLower == "unsmoothedtangents")
{
_unsmoothedTangents = true;
}
// lightFallofImage <imageprogram>
// specifies the image to use for the third axis of projected
// light volumes.
else if(tokenLower == "lightfalloffimage")
{
_lightFalloffImage = idE.ImageManager.ImageFromFile(ParsePastImageProgram(lexer), TextureFilter.Default, false, TextureRepeat.Clamp, TextureDepth.Default);
}
// guisurf <guifile> | guisurf entity
// an entity guisurf must have an idUserInterface
// specified in the renderEntity.
else if(tokenLower == "guisurf")
{
token = lexer.ReadTokenOnLine();
tokenLower = token.ToString().ToLower();
if(tokenLower == "entity")
{
_entityGui = 1;
}
else if(tokenLower == "entity2")
{
_entityGui = 2;
}
else if(tokenLower == "entity3")
{
_entityGui = 3;
}
else
{
_userInterface = idE.UIManager.FindInterface(token.ToString(), true);
}
}
// sort.
else if(tokenLower == "sort")
{
ParseSort(lexer);
}
// spectrum <integer>.
else if(tokenLower == "spectrum")
{
int.TryParse(lexer.ReadTokenOnLine().ToString(), out _spectrum);
}
// deform < sprite | tube | flare >.
else if(tokenLower == "deform")
{
ParseDeform(lexer);
}
// decalInfo <staySeconds> <fadeSeconds> (<start rgb>) (<end rgb>).
else if(tokenLower == "decalinfo")
{
ParseDecalInfo(lexer);
}
// renderbump <args...>.
else if(tokenLower == "renderbump")
{
_renderBump = lexer.ParseRestOfLine();
}
// diffusemap for stage shortcut.
else if(tokenLower == "diffusemap")
{
idLexer newLexer = new idLexer(LexerOptions.NoFatalErrors | LexerOptions.NoStringConcatination | LexerOptions.NoStringEscapeCharacters | LexerOptions.AllowPathNames);
newLexer.LoadMemory(string.Format("blend diffusemap\nmap {0}\n}}\n", ParsePastImageProgram(lexer)), "diffusemap");
ParseStage(newLexer, textureRepeatDefault);
}
// specularmap for stage shortcut.
else if(tokenLower == "specularmap")
{
idLexer newLexer = new idLexer(LexerOptions.NoFatalErrors | LexerOptions.NoStringConcatination | LexerOptions.NoStringEscapeCharacters | LexerOptions.AllowPathNames);
newLexer.LoadMemory(string.Format("blend specularmap\nmap {0}\n}}\n", ParsePastImageProgram(lexer)), "specularmap");
ParseStage(newLexer, textureRepeatDefault);
}
// normalmap for stage shortcut.
else if(tokenLower == "bumpmap")
{
idLexer newLexer = new idLexer(LexerOptions.NoFatalErrors | LexerOptions.NoStringConcatination | LexerOptions.NoStringEscapeCharacters | LexerOptions.AllowPathNames);
newLexer.LoadMemory(string.Format("blend bumpmap\nmap {0}\n}}\n", ParsePastImageProgram(lexer)), "bumpmap");
ParseStage(newLexer, textureRepeatDefault);
}
// DECAL_MACRO for backwards compatibility with the preprocessor macros.
else if(tokenLower == "decal_macro")
{
// polygonOffset
this.MaterialFlag = Renderer.MaterialFlags.PolygonOffset;
_polygonOffset = -1;
// discrete
_surfaceFlags |= SurfaceFlags.Discrete;
_contentFlags &= ~ContentFlags.Solid;
// sort decal.
_sort = (float) MaterialSort.Decal;
// noShadows
this.MaterialFlag = Renderer.MaterialFlags.NoShadows;
}
else if(tokenValue == "{")
{
// create the new stage.
ParseStage(lexer, textureRepeatDefault);
}
else
{
idConsole.WriteLine("unknown general material parameter '{0}' in '{1}'", tokenValue, this.Name);
return;
}
}
// add _flat or _white stages if needed.
AddImplicitStages();
// order the diffuse / bump / specular stages properly.
SortInteractionStages();
// if we need to do anything with normals (lighting or environment mapping)
// and two sided lighting was asked for, flag
// shouldCreateBackSides() and change culling back to single sided,
// so we get proper tangent vectors on both sides.
// we can't just call ReceivesLighting(), because the stages are still
// in temporary form.
if(_cullType == CullType.TwoSided)
{
count = _parsingData.Stages.Count;
for(int i = 0; i < count; i++)
{
if((_parsingData.Stages[i].Lighting != StageLighting.Ambient) || (_parsingData.Stages[i].Texture.TextureCoordinates != TextureCoordinateGeneration.Explicit))
{
if(_cullType == CullType.TwoSided)
{
_cullType = CullType.Front;
_shouldCreateBackSides = true;
}
break;
}
}
}
// currently a surface can only have one unique texgen for all the stages on old hardware.
TextureCoordinateGeneration firstGen = TextureCoordinateGeneration.Explicit;
count = _parsingData.Stages.Count;
for(int i = 0; i < count; i++)
{
if(_parsingData.Stages[i].Texture.TextureCoordinates != TextureCoordinateGeneration.Explicit)
{
if(firstGen == TextureCoordinateGeneration.Explicit)
{
firstGen = _parsingData.Stages[i].Texture.TextureCoordinates;
}
else if(firstGen != _parsingData.Stages[i].Texture.TextureCoordinates)
{
idConsole.Warning("material '{0}' has multiple stages with a texgen", this.Name);
break;
}
}
}
}
/// <summary>
/// Parses the current material definition and finds all necessary images.
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public override bool Parse(string text)
{
idLexer lexer = new idLexer(idDeclFile.LexerOptions);
lexer.LoadMemory(text, this.FileName, this.LineNumber);
lexer.SkipUntilString("{");
// reset to the unparsed state.
Clear();
_parsingData = new MaterialParsingData(); // this is only valid during parsing.
// parse it
ParseMaterial(lexer);
// TODO: fs_copyFiles
// if we are doing an fs_copyfiles, also reference the editorImage
/*if ( cvarSystem->GetCVarInteger( "fs_copyFiles" ) ) {
GetEditorImage();
}*/
// count non-lit stages.
_ambientStageCount = 0;
_stageCount = _parsingData.Stages.Count;
for(int i = 0; i < _stageCount; i++)
{
if(_parsingData.Stages[i].Lighting == StageLighting.Ambient)
{
_ambientStageCount++;
}
}
// see if there is a subview stage
if(_sort == (float) MaterialSort.Subview)
{
_hasSubview = true;
}
else
{
_hasSubview = false;
int count = _parsingData.Stages.Count;
for(int i = 0; i < count; i++)
{
if(_parsingData.Stages[i].Texture.Dynamic != null)
{
_hasSubview = true;
}
}
}
// automatically determine coverage if not explicitly set.
if(_coverage == MaterialCoverage.Bad)
{
// automatically set MC_TRANSLUCENT if we don't have any interaction stages and
// the first stage is blended and not an alpha test mask or a subview.
if(_stageCount == 0)
{
// non-visible.
_coverage = MaterialCoverage.Translucent;
}
else if(_stageCount != _ambientStageCount)
{
// we have an interaction draw.
_coverage = MaterialCoverage.Opaque;
}
else
{
MaterialStates drawStateBits = _parsingData.Stages[0].DrawStateBits & MaterialStates.SourceBlendBits;
if(((drawStateBits & MaterialStates.DestinationBlendBits) != MaterialStates.DestinationBlendZero)
|| (drawStateBits == MaterialStates.SourceBlendDestinationColor)
|| (drawStateBits == MaterialStates.SourceBlendOneMinusDestinationColor)
|| (drawStateBits == MaterialStates.SourceBlendDestinationAlpha)
|| (drawStateBits == MaterialStates.SourceBlendOneMinusDestinationAlpha))
{
// blended with the destination
_coverage = MaterialCoverage.Translucent;
}
else
{
_coverage = MaterialCoverage.Opaque;
}
}
}
// translucent automatically implies noshadows.
if(_coverage == MaterialCoverage.Translucent)
{
this.MaterialFlag = MaterialFlags.NoShadows;
}
else
{
// mark the contents as opaque.
_contentFlags |= ContentFlags.Opaque;
}
// the sorts can make reasonable defaults.
if(_sort == (float) MaterialSort.Bad)
{
if(TestMaterialFlag(MaterialFlags.PolygonOffset) == true)
{
_sort = (float) MaterialSort.Decal;
}
else if(_coverage == MaterialCoverage.Translucent)
{
_sort = (float) MaterialSort.Medium;
}
else
{
_sort = (float) MaterialSort.Opaque;
}
}
// anything that references _currentRender will automatically get sort = SS_POST_PROCESS
// and coverage = MC_TRANSLUCENT.
for(int i = 0; i < _stageCount; i++)
{
MaterialStage stage = _parsingData.Stages[i];
if(stage.Texture.Image == idE.ImageManager.CurrentRenderImage)
{
if(_sort != (float) MaterialSort.PortalSky)
{
_sort = (float) MaterialSort.PostProcess;
_coverage = MaterialCoverage.Translucent;
}
break;
}
if(stage.NewStage.IsEmpty == false)
{
NewMaterialStage newShaderStage = stage.NewStage;
int imageCount = newShaderStage.FragmentProgramImages.Length;
for(int j = 0; j < imageCount; j++)
{
if(newShaderStage.FragmentProgramImages[j] == idE.ImageManager.CurrentRenderImage)
{
if(_sort != (float) MaterialSort.PortalSky)
{
_sort = (float) MaterialSort.PostProcess;
_coverage = MaterialCoverage.Translucent;
}
i = _stageCount;
break;
}
}
}
}
// set the drawStateBits depth flags.
for(int i = 0; i < _stageCount; i++)
{
MaterialStage stage = _parsingData.Stages[i];
if(_sort == (float) MaterialSort.PostProcess)
{
// post-process effects fill the depth buffer as they draw, so only the
// topmost post-process effect is rendered.
stage.DrawStateBits |= MaterialStates.DepthFunctionLess;
}
else if((_coverage == MaterialCoverage.Translucent) || (stage.IgnoreAlphaTest == true))
{
// translucent surfaces can extend past the exactly marked depth buffer.
stage.DrawStateBits |= MaterialStates.DepthFunctionLess | MaterialStates.DepthMask;
}
else
{
// opaque and perforated surfaces must exactly match the depth buffer,
// which gets alpha test correct.
stage.DrawStateBits |= MaterialStates.DepthFunctionEqual | MaterialStates.DepthMask;
}
_parsingData.Stages[i] = stage;
}
// determine if this surface will accept overlays / decals.
if(_parsingData.ForceOverlays == true)
{
// explicitly flaged in material definition
_allowOverlays = true;
}
else
{
if(this.IsDrawn == false)
{
_allowOverlays = false;
}
if(this.Coverage != MaterialCoverage.Opaque)
{
_allowOverlays = false;
}
if((this.SurfaceFlags & Renderer.SurfaceFlags.NoImpact) == Renderer.SurfaceFlags.NoImpact)
{
_allowOverlays = false;
}
}
// add a tiny offset to the sort orders, so that different materials
// that have the same sort value will at least sort consistantly, instead
// of flickering back and forth.
/* this messed up in-game guis
if ( sort != SS_SUBVIEW ) {
int hash, l;
l = name.Length();
hash = 0;
for ( int i = 0 ; i < l ; i++ ) {
hash ^= name[i];
}
sort += hash * 0.01;
}
*/
if(_stageCount > 0)
{
_stages = _parsingData.Stages.ToArray();
}
if(_parsingData.Operations.Count > 0)
{
_ops = _parsingData.Operations.ToArray();
}
if(_registerCount > 0)
{
_expressionRegisters = new float[_registerCount];
Array.Copy(_parsingData.ShaderRegisters, _expressionRegisters, _registerCount);
}
// see if the registers are completely constant, and don't need to be evaluated per-surface.
CheckForConstantRegisters();
_parsingData = null;
// finish things up
if(TestMaterialFlag(MaterialFlags.Defaulted) == true)
{
MakeDefault();
return false;
}
return true;
}
private void Clear()
{
_description = "<none>";
_renderBump = string.Empty;
_contentFlags = ContentFlags.Solid;
_surfaceFlags = SurfaceFlags.None;
_materialFlags = 0;
_sort = (float) MaterialSort.Bad;
_coverage = MaterialCoverage.Bad;
_cullType = CullType.Front;
_deformType = DeformType.None;
_deformRegisters = new int[4];
_ops = null;
_expressionRegisters = null;
_constantRegisters = null;
_stages = new MaterialStage[] { };
_stageCount = 0;
_ambientStageCount = 0;
_registerCount = 0;
_lightFalloffImage = null;
_entityGui = 0;
_shouldCreateBackSides = false;
_editorImageName = null;
_fogLight = false;
_blendLight = false;
_ambientLight = false;
_noFog = false;
_hasSubview = false;
_allowOverlays = true;
_unsmoothedTangents = false;
_userInterface = null;
_referenceCount = 0;
/*editorAlpha = 1.0;*/
_spectrum = 0;
_polygonOffset = 0;
_suppressInSubview = false;
_portalSky = false;
_decalInfo.StayTime = 10000;
_decalInfo.FadeTime = 4000;
_decalInfo.Start = new float[] { 1, 1, 1, 1 };
_decalInfo.End = new float[] { 0, 0, 0, 0 };
}
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);
}
