public static void GenerateWhiteImage(idImage image)
{
// solid white texture
byte[] data = new byte[DefaultImageSize * DefaultImageSize * 4];
int count = data.Length;
for(int i = 0; i < count; i++)
{
data[i] = 255;
}
image.Generate(data, DefaultImageSize, DefaultImageSize, TextureFilter.Default, false, TextureRepeat.Repeat, TextureDepth.Default);
}
public static void GenerateDefaultImage(idImage image)
{
image.MakeDefault();
}
public static void GenerateFlatNormalImage(idImage image)
{
byte[, ,] data = new byte[DefaultImageSize, DefaultImageSize, 4];
int red = (idE.CvarSystem.GetInteger("image_useNormalCompression") == 1) ? 0 : 3;
int alpha = (red == 0) ? 3 : 0;
// flat normal map for default bunp mapping
for(int i = 0; i < 4; i++)
{
data[0, i, red] = 128;
data[0, i, 1] = 128;
data[0, i, 2] = 255;
data[0, i, alpha] = 255;
}
image.Generate(idHelper.Flatten<byte>(data), 2, 2, TextureFilter.Default, true, TextureRepeat.Repeat, TextureDepth.HighQuality);
}
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 };
}
public static void GenerateBorderClampImage(idImage image)
{
// the size determines how far away from the edge the blocks start fading
int borderClampSize = 32;
byte[, ,] data = new byte[borderClampSize, borderClampSize, 4];
// solid white texture with a single pixel black border
for(int y = 0; y < borderClampSize; y++)
{
for(int x = 0; x < borderClampSize; x++)
{
data[y, x, 0] = 255;
data[y, x, 1] = 255;
data[y, x, 2] = 255;
data[y, x, 3] = 255;
}
}
for(int i = 0; i < borderClampSize; i++)
{
data[i, 0, 0] =
data[i, 0, 1] =
data[i, 0, 2] =
data[i, 0, 3] =
data[i, borderClampSize - 1, 0] =
data[i, borderClampSize - 1, 1] =
data[i, borderClampSize - 1, 2] =
data[i, borderClampSize - 1, 3] =
data[0, i, 0] =
data[0, i, 1] =
data[0, i, 2] =
data[0, i, 3] =
data[borderClampSize - 1, i, 0] =
data[borderClampSize - 1, i, 1] =
data[borderClampSize - 1, i, 2] =
data[borderClampSize - 1, i, 3] = 0;
}
image.Generate(idHelper.Flatten<byte>(data), borderClampSize, borderClampSize, TextureFilter.Linear, false, TextureRepeat.ClampToBorder, TextureDepth.Default);
if(idE.RenderSystem.IsRunning == false)
{
// can't call qglTexParameterfv yet
return;
}
// explicit zero border
float[] color = new float[4];
//Gl.glTexParameterfv(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_BORDER_COLOR, color);
}
/// <summary>
/// Creates a ramp that matches our fudged specular calculation.
/// </summary>
/// <param name="image"></param>
public static void GenerateSpecularTableImage(idImage image)
{
byte[,] data = new byte[256, 4];
for(int x = 0; x < 256; x++)
{
float f = x / 255.0f;
// this is the behavior of the hacked up fragment programs that can't really do a power function
f = (f - 0.75f) * 4;
if(f < 0)
{
f = 0;
}
f = f * f;
int b = (int) (f * 255);
data[x, 0] =
data[x, 1] =
data[x, 2] =
data[x, 3] = (byte) b;
}
image.Generate(idHelper.Flatten<byte>(data), 256, 1, TextureFilter.Linear, false, TextureRepeat.Clamp, TextureDepth.HighQuality);
}
/// <summary>
/// Creates a 0-255 ramp image.
/// </summary>
/// <param name="image"></param>
public static void GenerateAlphaRampImage(idImage image)
{
byte[,] data = new byte[256, 4];
for(int x = 0; x < 256; x++)
{
data[x, 0] =
data[x, 1] =
data[x, 2] = 255;
data[x, 3] = (byte) x;
}
image.Generate(idHelper.Flatten<byte>(data), 256, 1, TextureFilter.Nearest, false, TextureRepeat.Clamp, TextureDepth.HighQuality);
}
private idImage CreateImage(string name, TextureType type, TextureFilter filter, TextureRepeat repeat, TextureDepth depth, CubeFiles cubeMap, bool allowDownSize)
{
idImage image = new idImage(name, type, filter, repeat, depth, cubeMap, allowDownSize);
_images.Add(image);
_imageDictionary.Add(name, image);
return image;
}
public void Init()
{
// set default texture filter modes
ChangeTextureFilter();
// create built in images
_defaultImage = ImageFromFile("_default", TextureFilter.Default, false, TextureRepeat.Repeat, TextureDepth.Default);
_whiteImage = ImageFromFile("_white", TextureFilter.Default, false, TextureRepeat.Repeat, TextureDepth.Default);
_blackImage = ImageFromFile("_black", TextureFilter.Default, false, TextureRepeat.Repeat, TextureDepth.Default);
_borderClampImage = ImageFromFile("_borderClamp", TextureFilter.Linear, false, TextureRepeat.ClampToBorder, TextureDepth.Default);
_flatNormalMap = ImageFromFile("_flat", TextureFilter.Default, false, TextureRepeat.Repeat, TextureDepth.HighQuality);
// TODO: _ambientNormalMap = LoadFromCallback("_ambient", GenerateAmbientNormalImage);
/*_specularTableImage = LoadFromCallback("_specularTable", GenerateSpecularTableImage);
_specular2DTableImage = LoadFromCallback("_specular2DTable", GenerateSpecular2DTableImage);
_rampImage = LoadFromCallback("_ramp", GenerateRampImage);
_alphaRampImage = LoadFromCallback("_alphaRamp", GenerateRampImage);
_alphaNotchImage = LoadFromCallback("_alphaNotch", GenerateAlphaNotchImage);*/
_fogImage = ImageFromFile("_fog", TextureFilter.Linear, false, TextureRepeat.Clamp, TextureDepth.HighQuality);
_fogEnterImage = ImageFromFile("_fogEnter", TextureFilter.Linear, false, TextureRepeat.Clamp, TextureDepth.HighQuality);
// TODO: _normalCubeMapImage = LoadFromCallback("_normalCubeMap", makeNormalizeVectorCubeMap);*/
_noFalloffImage = ImageFromFile("_noFalloff", TextureFilter.Default, false, TextureRepeat.ClampToZero, TextureDepth.HighQuality);
ImageFromFile("_quadratic", TextureFilter.Default, false, TextureRepeat.Clamp, TextureDepth.HighQuality);
// cinematicImage is used for cinematic drawing
// scratchImage is used for screen wipes/doublevision etc..
/*_cinematicImage = LoadFromCallback("_cinematic", GenerateRGBA8Image);*/
_scratchImage = ImageFromFile("_scratch", TextureFilter.Default, false, TextureRepeat.Repeat, TextureDepth.HighQuality);
_scratchImage2 = ImageFromFile("_scratch2", TextureFilter.Default, false, TextureRepeat.Repeat, TextureDepth.HighQuality);
/*_accumImage = LoadFromCallback("_accum", GenerateRGBA8Image);*/
// TODO: _scratchCubeMapImage = LoadFromCallback("_scratchCubeMap", makeNormalizeVectorCubeMap);*/
//_currentRenderImage = LoadFromCallback("_currentRender", GenerateRGBA8Image);
// TODO: cmds
idE.CmdSystem.AddCommand("reloadImages", "reloads images", CommandFlags.Renderer, new EventHandler<CommandEventArgs>(Cmd_ReloadImages));
/*cmdSystem->AddCommand("listImages", R_ListImages_f, CMD_FL_RENDERER, "lists images");
cmdSystem->AddCommand("combineCubeImages", R_CombineCubeImages_f, CMD_FL_RENDERER, "combines six images for roq compression");*/
// should forceLoadImages be here?
}
/// <summary>
/// This is a solid white texture that is zero clamped.
/// </summary>
/// <param name="image"></param>
public static void GenerateNoFalloffImage(idImage image)
{
byte[, ,] data = new byte[16, FalloffTextureSize, 4];
for(int x = 1; x < (FalloffTextureSize - 1); x++)
{
for(int y = 1; y < 15; y++)
{
data[y, x, 0] = 255;
data[y, x, 1] = 255;
data[y, x, 2] = 255;
data[y, x, 3] = 255;
}
}
image.Generate(idHelper.Flatten<byte>(data), FalloffTextureSize, 16, TextureFilter.Default, false, TextureRepeat.ClampToZero, TextureDepth.HighQuality);
}
private idImage CreateImage(string name, ImageLoadCallback generator)
{
idImage image = new idImage(name, generator);
_images.Add(image);
_imageDictionary.Add(name, image);
return image;
}
public static void GenerateQuadraticImage(idImage image)
{
byte[, ,] data = new byte[QuadraticHeight, QuadraticWidth, 4];
for(int x = 0; x < QuadraticWidth; x++)
{
for(int y = 0; y < QuadraticHeight; y++)
{
float d = x - ((QuadraticWidth / 2) - 0.5f);
d = idMath.Abs(d);
d -= 0.5f;
d /= QuadraticWidth / 2;
d = 1.0f - d;
d = d * d;
int b = (byte) (d * 255);
if(b <= 0)
{
b = 0;
}
else if(b > 255)
{
b = 255;
}
data[y, x, 0] =
data[y, x, 1] =
data[y, x, 2] = (byte) b;
data[y, x, 3] = 255;
}
}
image.Generate(idHelper.Flatten<byte>(data), QuadraticWidth, QuadraticHeight, TextureFilter.Default, false, TextureRepeat.Clamp, TextureDepth.HighQuality);
}
/// <summary>
/// We calculate distance correctly in two planes, but the third will still be projection based.
/// </summary>
/// <param name="image"></param>
public static void GenerateFogImage(idImage image)
{
byte[, ,] data = new byte[FogSize, FogSize, 4];
float[] step = new float[256];
float remaining = 1.0f;
for(int i = 0; i < 256; i++)
{
step[i] = remaining;
remaining *= 0.982f;
}
for(int x = 0; x < FogSize; x++)
{
for(int y = 0; y < FogSize; y++)
{
float d = (float) idMath.Sqrt((x - (FogSize / 2)) * (x - (FogSize / 2))
+ (y - (FogSize / 2)) * (y - (FogSize / 2)));
d /= FogSize / 2 - 1;
int b = (byte) (d * 255);
if(b <= 0)
{
b = 0;
}
else if(b > 255)
{
b = 255;
}
b = (byte) (255 * (1.0f - step[b]));
if((x == 0) || (x == (FogSize - 1)) || (y == 0) || (y == (FogSize - 1)))
{
b = 255; // avoid clamping issues
}
data[y, x, 0] =
data[y, x, 1] =
data[y, x, 2] = 255;
data[y, x, 3] = (byte) b;
}
}
image.Generate(idHelper.Flatten<byte>(data), FogSize, FogSize, TextureFilter.Linear, false, TextureRepeat.Clamp, TextureDepth.HighQuality);
}
/// <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;
}
}
}
}
public static void GenerateRGB8Image(idImage image)
{
byte[, ,] data = new byte[DefaultImageSize, DefaultImageSize, 4];
data[0, 0, 0] = 16;
data[0, 0, 1] = 32;
data[0, 0, 2] = 48;
data[0, 0, 3] = 255;
image.Generate(idHelper.Flatten<byte>(data), DefaultImageSize, DefaultImageSize, TextureFilter.Default, false, TextureRepeat.Repeat, TextureDepth.HighQuality);
}
public void QueueBackgroundLoad(idImage image)
{
string fileName = idE.ImageManager.ImageProgramStringToCompressedFileName(image.Name);
BackgroundDownload backgroundDownload = new BackgroundDownload();
backgroundDownload.Stream = idE.FileSystem.OpenFileRead(fileName);
if(backgroundDownload.Stream == null)
{
idConsole.Warning("idImageManager.StartBackgroundLoad: Couldn't load {0}", image.Name);
}
else
{
idE.FileSystem.QueueBackgroundLoad(backgroundDownload);
_backgroundImageLoads.Add(image, backgroundDownload);
// TODO: purge image cache
/*// purge some images if necessary
int totalSize = 0;
for ( idImage *check = globalImages->cacheLRU.cacheUsageNext ; check != &globalImages->cacheLRU ; check = check->cacheUsageNext ) {
totalSize += check->StorageSize();
}
int needed = this->StorageSize();
while ( ( totalSize + needed ) > globalImages->image_cacheMegs.GetFloat() * 1024 * 1024 ) {
// purge the least recently used
idImage *check = globalImages->cacheLRU.cacheUsagePrev;
if ( check->texnum != TEXTURE_NOT_LOADED ) {
totalSize -= check->StorageSize();
if ( globalImages->image_showBackgroundLoads.GetBool() ) {
common->Printf( "purging %s\n", check->imgName.c_str() );
}
check->PurgeImage();
}
// remove it from the cached list
check->cacheUsageNext->cacheUsagePrev = check->cacheUsagePrev;
check->cacheUsagePrev->cacheUsageNext = check->cacheUsageNext;
check->cacheUsageNext = NULL;
check->cacheUsagePrev = NULL;
}*/
}
}
public static void GenerateAlphaNotchImage(idImage image)
{
byte[,] data = new byte[2, 4];
// this is used for alpha test clip planes
data[0, 0] = data[0, 1] = data[0, 2] = 255;
data[0, 3] = 0;
data[1, 0] = data[1, 1] = data[1, 2] = 255;
data[1, 3] = 255;
image.Generate(idHelper.Flatten<byte>(data), 2, 1, TextureFilter.Nearest, false, TextureRepeat.Clamp, TextureDepth.HighQuality);
}
public static void GenerateAmbientNormalImage(idImage image)
{
byte[, ,] data = new byte[DefaultImageSize, DefaultImageSize, 4];
int red = (idE.CvarSystem.GetInteger("image_useNormalCompression") == 1) ? 0 : 3;
int alpha = (red == 0) ? 3 : 0;
Vector4 ambientLightVector = idE.RenderSystem.AmbientLightVector;
// flat normal map for default bunp mapping
for(int i = 0; i < 4; i++)
{
data[0, i, red] = (byte) (255 * ambientLightVector.X);
data[0, i, 1] = (byte) (255 * ambientLightVector.Y);
data[0, i, 2] = (byte) (255 * ambientLightVector.Z);
data[0, i, alpha] = 255;
}
byte[,] pics = new byte[6, 4];
for(int i = 0; i < 6; i++)
{
pics[i, 0] = data[0, 0, 0];
pics[i, 1] = data[0, 0, 1];
pics[i, 2] = data[0, 0, 2];
pics[i, 3] = data[0, 0, 3];
}
// this must be a cube map for fragment programs to simply substitute for the normalization cube map
idConsole.Warning("TODO: image->GenerateCubeImage( pics, 2, TF_DEFAULT, true, TD_HIGH_QUALITY );");
}
/// <summary>
/// Create a 2D table that calculates (reflection dot , specularity).
/// </summary>
/// <param name="image"></param>
public static void GenerateSpecular2DTableImage(idImage image)
{
byte[, ,] data = new byte[256, 256, 4];
for(int x = 0; x < 256; x++)
{
float f = x / 255.0f;
for(int y = 0; y < 256; y++)
{
int b = (int) (idMath.Pow(f, y) * 255.0f);
if(b == 0)
{
// as soon as b equals zero all remaining values in this column are going to be zero
// we early out to avoid pow() underflows
break;
}
data[y, x, 0] =
data[y, x, 1] =
data[y, x, 2] =
data[y, x, 3] = (byte) b;
}
}
image.Generate(idHelper.Flatten<byte>(data), 256, 256, TextureFilter.Linear, false, TextureRepeat.Clamp, TextureDepth.HighQuality);
}
public static void GenerateBlackImage(idImage image)
{
// solid black texture
byte[] data = new byte[DefaultImageSize * DefaultImageSize * 4];
//image.Generate(data, DefaultImageSize, DefaultImageSize, TextureFilter.Default, false, TextureRepeat.Repeat, TextureDepth.Default);
}
/// <summary>
/// Modulate the fog alpha density based on the distance of the start and end points to the terminator plane.
/// </summary>
/// <param name="image"></param>
public static void GenerateFogEnterImage(idImage image)
{
byte[, ,] data = new byte[FogEnterSize, FogEnterSize, 4];
for(int x = 0; x < FogEnterSize; x++)
{
for(int y = 0; y < FogEnterSize; y++)
{
float d = FogFraction(x - (FogEnterSize / 2), y - (FogEnterSize / 2));
int b = (byte) (d * 255);
if(b <= 0)
{
b = 0;
}
else if(b > 255)
{
b = 255;
}
data[y, x, 0] =
data[y, x, 1] =
data[y, x, 2] = 255;
data[y, x, 3] = (byte) b;
}
}
// if mipmapped, acutely viewed surfaces fade wrong
//image.Generate(idHelper.Flatten<byte>(data), FogEnterSize, FogEnterSize, TextureFilter.Linear, false, TextureRepeat.Clamp, TextureDepth.HighQuality);
}
public void BindTexture(idImage texture)
{
_backendRenderer.BindTexture(texture);
}