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public CreateTextureUnitState ( ) : |
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| Résultat | ||
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Pass srcPass, Pass dstPass )
{
TextureUnitState textureUnit;
//Create the mask texture unit.
textureUnit = dstPass.CreateTextureUnitState();
textureUnit.SetTextureName( this.maskMapTextureName );
this.maskMapSamplerIndex = dstPass.TextureUnitStatesCount - 1;
//Create the reflection texture unit.
textureUnit = dstPass.CreateTextureUnitState();
if ( this.reflectionMapType == TextureType.TwoD )
{
textureUnit.SetTextureName( this.reflectionMapTextureName );
}
else
{
textureUnit.SetCubicTextureName( this.reflectionMapTextureName, true );
}
this.reflectionMapSamplerIndex = dstPass.TextureUnitStatesCount - 1;
return true;
}
protected void InitTextureLighting()
{
if ( targetRenderSystem.Capabilities.TextureUnitCount < 2 )
LogManager.Instance.Write( "--WARNING--At least 2 available texture units are required for BSP dynamic lighting!" );
Texture texLight = TextureLight.CreateTexture();
textureLightMaterial = (Material)MaterialManager.Instance.GetByName( "Axiom/BspTextureLightMaterial" );
if ( textureLightMaterial == null )
{
textureLightMaterial = (Material)MaterialManager.Instance.Create( "Axiom/BspTextureLightMaterial", ResourceGroupManager.DefaultResourceGroupName );
textureLightPass = textureLightMaterial.GetTechnique( 0 ).GetPass( 0 );
// the texture light
TextureUnitState tex = textureLightPass.CreateTextureUnitState( texLight.Name );
tex.SetColorOperation( LayerBlendOperation.Modulate );
tex.ColorBlendMode.source2 = LayerBlendSource.Diffuse;
tex.SetAlphaOperation( LayerBlendOperationEx.Modulate );
tex.AlphaBlendMode.source2 = LayerBlendSource.Diffuse;
tex.TextureCoordSet = 2;
tex.SetTextureAddressingMode( TextureAddressing.Clamp );
// The geometry texture without lightmap. Use the light texture on this
// pass, the appropriate texture will be rendered at RenderTextureLighting
tex = textureLightPass.CreateTextureUnitState( texLight.Name );
tex.SetColorOperation( LayerBlendOperation.Modulate );
tex.SetAlphaOperation( LayerBlendOperationEx.Modulate );
tex.SetTextureAddressingMode( TextureAddressing.Wrap );
textureLightPass.SetSceneBlending( SceneBlendType.TransparentAlpha );
textureLightMaterial.CullingMode = CullingMode.None;
textureLightMaterial.Lighting = false;
}
else
{
textureLightPass = textureLightMaterial.GetTechnique( 0 ).GetPass( 0 );
}
}
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Pass srcPass, Pass dstPass )
{
if ( srcPass.LightingEnabled == false )
{
return false;
}
var lightCount = new int[3];
targetRenderState.GetLightCount( out lightCount );
TextureUnitState normalMapTexture = dstPass.CreateTextureUnitState();
normalMapTexture.SetTextureName( this.normalMapTextureName );
normalMapTexture.SetTextureFiltering( this.normalMapMinFilter, this.normalMapMagFilter, this.normalMapMipfilter );
normalMapTexture.TextureAnisotropy = (int)this.normalMapAnisotropy;
normalMapTexture.TextureMipmapBias = this.normalMapMipBias;
this.normalMapSamplerIndex = dstPass.TextureUnitStatesCount - 1;
TrackVertexColorType = ( srcPass.VertexColorTracking );
if ( srcPass.Shininess > 0 && srcPass.Specular != ColorEx.Black )
{
SpecularEnable = true;
}
else
{
SpecularEnable = false;
}
//Case this pass should run once per light(s)
if ( srcPass.IteratePerLight )
{
//This is the preferred case -> only one type of light is handled
if ( srcPass.RunOnlyOncePerLightType )
{
if ( srcPass.OnlyLightType == LightType.Point )
{
lightCount[ 0 ] = srcPass.LightsPerIteration;
lightCount[ 1 ] = 0;
lightCount[ 2 ] = 0;
}
else if ( srcPass.OnlyLightType == LightType.Directional )
{
lightCount[ 0 ] = 0;
lightCount[ 1 ] = srcPass.LightsPerIteration;
lightCount[ 2 ] = 0;
}
else if ( srcPass.OnlyLightType == LightType.Spotlight )
{
lightCount[ 0 ] = 0;
lightCount[ 1 ] = 0;
lightCount[ 2 ] = srcPass.LightsPerIteration;
}
}
//This is wors case -> all light types epected to be handled.
//Can not handle this request in efficient way - throw an exception
else
{
throw new AxiomException(
"Using iterative lighting method with RT Shader System requires specifying explicit light type." );
}
}
SetLightCount( lightCount );
return true;
}
private void InitShadowReceiverPass()
{
Material matShadRec = MaterialManager.Instance.GetByName(TEXTURE_SHADOW_RECEIVER_MATERIAL);
if (matShadRec == null) {
matShadRec = (Material) MaterialManager.Instance.Create(TEXTURE_SHADOW_RECEIVER_MATERIAL);
shadowReceiverPass = matShadRec.GetTechnique(0).GetPass(0);
shadowReceiverPass.SetSceneBlending(SceneBlendFactor.DestColor, SceneBlendFactor.Zero);
// No lighting, one texture unit
// everything else will be bound as needed during the receiver pass
shadowReceiverPass.LightingEnabled = false;
TextureUnitState t = shadowReceiverPass.CreateTextureUnitState();
t.TextureAddressing = TextureAddressing.Clamp;
shadowReceiverPass.DepthBias = 1;
}
else {
shadowReceiverPass = matShadRec.GetTechnique(0).GetPass(0);
}
}
private void InitShadowModulativePass()
{
Material matModStencil =
MaterialManager.Instance.GetByName(STENCIL_SHADOW_MODULATIVE_MATERIAL);
if(matModStencil == null) {
// Create
matModStencil =
(Material)MaterialManager.Instance.Create(STENCIL_SHADOW_MODULATIVE_MATERIAL);
shadowModulativePass = matModStencil.GetTechnique(0).GetPass(0);
shadowModulativePass.SetSceneBlending(SceneBlendFactor.DestColor, SceneBlendFactor.Zero);
shadowModulativePass.LightingEnabled = false;
shadowModulativePass.DepthWrite = false;
shadowModulativePass.DepthCheck = false;
TextureUnitState t = shadowModulativePass.CreateTextureUnitState();
t.SetColorOperationEx(
LayerBlendOperationEx.Modulate,
LayerBlendSource.Manual,
LayerBlendSource.Current,
shadowColor);
}
else {
shadowModulativePass = matModStencil.GetTechnique(0).GetPass(0);
}
}
private void InitShadowDebugPass()
{
Material matDebug = MaterialManager.Instance.GetByName(SHADOW_VOLUMES_MATERIAL);
if(matDebug == null) {
// Create
matDebug = (Material)MaterialManager.Instance.Create(SHADOW_VOLUMES_MATERIAL);
shadowDebugPass = matDebug.GetTechnique(0).GetPass(0);
shadowDebugPass.SetSceneBlending(SceneBlendType.Add);
shadowDebugPass.LightingEnabled = false;
shadowDebugPass.DepthWrite = false;
TextureUnitState t = shadowDebugPass.CreateTextureUnitState();
t.SetColorOperationEx(
LayerBlendOperationEx.Modulate,
LayerBlendSource.Manual,
LayerBlendSource.Current,
new ColorEx(0.7f, 0.0f, 0.2f));
shadowDebugPass.CullMode = CullingMode.None;
if(targetRenderSystem.Caps.CheckCap(Capabilities.VertexPrograms)) {
ShadowVolumeExtrudeProgram.Initialize();
// Enable the (infinite) point light extruder for now, just to get some params
shadowDebugPass.SetVertexProgram(
ShadowVolumeExtrudeProgram.GetProgramName(ShadowVolumeExtrudeProgram.Programs.PointLight));
infiniteExtrusionParams = shadowDebugPass.VertexProgramParameters;
infiniteExtrusionParams.SetAutoConstant(0, AutoConstants.WorldViewProjMatrix);
infiniteExtrusionParams.SetAutoConstant(4, AutoConstants.LightPositionObjectSpace);
}
matDebug.Compile();
}
else {
shadowDebugPass = matDebug.GetTechnique(0).GetPass(0);
}
}
