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@ -26,246 +26,50 @@ THE SOFTWARE.
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-----------------------------------------------------------------------------
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-----------------------------------------------------------------------------
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*/
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*/
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#ifndef __Ogre_TerrainMaterialGeneratorB_H__
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#ifndef MWRENDER_TERRAINMATERIAL_H
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#define __Ogre_TerrainMaterialGeneratorB_H__
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#define MWRENDER_TERRAINMATERIAL_H
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#include "OgreTerrainPrerequisites.h"
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#include "OgreTerrainPrerequisites.h"
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#include "OgreTerrainMaterialGenerator.h"
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#include "OgreTerrainMaterialGenerator.h"
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#include "OgreGpuProgramParams.h"
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#include "OgreGpuProgramParams.h"
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namespace Ogre
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namespace MWRender
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{
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{
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class PSSMShadowCameraSetup;
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/** \addtogroup Optional Components
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class TerrainMaterial : public Ogre::TerrainMaterialGenerator
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* @{
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{
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*/
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public:
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/** \addtogroup Terrain
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* Some details on the terrain component
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* @{
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*/
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class Profile : public Ogre::TerrainMaterialGenerator::Profile
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{
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protected:
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Ogre::TerrainMaterialGenerator* mParent;
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Ogre::String mName;
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Ogre::String mDesc;
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public:
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Profile(Ogre::TerrainMaterialGenerator* parent, const Ogre::String& name, const Ogre::String& desc);
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virtual ~Profile();
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/** A TerrainMaterialGenerator which can cope with normal mapped, specular mapped
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virtual bool isVertexCompressionSupported() const { return false; }
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terrain.
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@note Requires the Cg plugin to render correctly
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*/
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class TerrainMaterialGeneratorB : public TerrainMaterialGenerator
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{
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public:
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TerrainMaterialGeneratorB();
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~TerrainMaterialGeneratorB();
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/** Shader model 2 profile target.
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virtual Ogre::MaterialPtr generate(const Ogre::Terrain* terrain);
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*/
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class SM2Profile : public TerrainMaterialGenerator::Profile
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{
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public:
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SM2Profile(TerrainMaterialGenerator* parent, const String& name, const String& desc);
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~SM2Profile();
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bool isVertexCompressionSupported() const {return false;}
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virtual Ogre::MaterialPtr generateForCompositeMap(const Ogre::Terrain* terrain);
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MaterialPtr generate(const Terrain* terrain);
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MaterialPtr generateForCompositeMap(const Terrain* terrain);
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uint8 getMaxLayers(const Terrain* terrain) const;
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void updateParams(const MaterialPtr& mat, const Terrain* terrain);
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void updateParamsForCompositeMap(const MaterialPtr& mat, const Terrain* terrain);
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void requestOptions(Terrain* terrain);
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void setShadowFar(float far);
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virtual Ogre::uint8 getMaxLayers(const Ogre::Terrain* terrain) const;
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void setShadowFadeStart(float fadestart);
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/** Whether to support normal mapping per layer in the shader (default true).
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virtual void updateParams(const Ogre::MaterialPtr& mat, const Ogre::Terrain* terrain);
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*/
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bool isLayerNormalMappingEnabled() const { return mLayerNormalMappingEnabled; }
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/** Whether to support normal mapping per layer in the shader (default true).
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*/
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void setLayerNormalMappingEnabled(bool enabled);
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/** Whether to support parallax mapping per layer in the shader (default true).
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*/
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bool isLayerParallaxMappingEnabled() const { return mLayerParallaxMappingEnabled; }
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/** Whether to support parallax mapping per layer in the shader (default true).
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*/
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void setLayerParallaxMappingEnabled(bool enabled);
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/** Whether to support specular mapping per layer in the shader (default true).
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*/
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bool isLayerSpecularMappingEnabled() const { return mLayerSpecularMappingEnabled; }
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/** Whether to support specular mapping per layer in the shader (default true).
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*/
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void setLayerSpecularMappingEnabled(bool enabled);
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/** Whether to support a global colour map over the terrain in the shader,
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if it's present (default true).
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*/
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bool isGlobalColourMapEnabled() const { return mGlobalColourMapEnabled; }
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/** Whether to support a global colour map over the terrain in the shader,
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if it's present (default true).
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*/
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void setGlobalColourMapEnabled(bool enabled);
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/** Whether to support a light map over the terrain in the shader,
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if it's present (default true).
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*/
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bool isLightmapEnabled() const { return mLightmapEnabled; }
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/** Whether to support a light map over the terrain in the shader,
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if it's present (default true).
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*/
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void setLightmapEnabled(bool enabled);
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/** Whether to use the composite map to provide a lower LOD technique
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in the distance (default true).
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*/
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bool isCompositeMapEnabled() const { return mCompositeMapEnabled; }
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/** Whether to use the composite map to provide a lower LOD technique
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in the distance (default true).
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*/
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void setCompositeMapEnabled(bool enabled);
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/** Whether to support dynamic texture shadows received from other
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objects, on the terrain (default true).
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*/
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bool getReceiveDynamicShadowsEnabled() const { return mReceiveDynamicShadows; }
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/** Whether to support dynamic texture shadows received from other
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objects, on the terrain (default true).
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*/
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void setReceiveDynamicShadowsEnabled(bool enabled);
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/** Whether to use PSSM support dynamic texture shadows, and if so the
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virtual void updateParamsForCompositeMap(const Ogre::MaterialPtr& mat, const Ogre::Terrain* terrain);
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settings to use (default 0).
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*/
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void setReceiveDynamicShadowsPSSM(PSSMShadowCameraSetup* pssmSettings);
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/** Whether to use PSSM support dynamic texture shadows, and if so the
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settings to use (default 0).
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*/
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PSSMShadowCameraSetup* getReceiveDynamicShadowsPSSM() const { return mPSSM; }
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/** Whether to use depth shadows (default false).
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*/
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void setReceiveDynamicShadowsDepth(bool enabled);
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/** Whether to use depth shadows (default false).
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*/
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bool getReceiveDynamicShadowsDepth() const { return mDepthShadows; }
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/** Whether to use shadows on low LOD material rendering (when using composite map) (default false).
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*/
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void setReceiveDynamicShadowsLowLod(bool enabled);
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/** Whether to use shadows on low LOD material rendering (when using composite map) (default false).
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*/
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bool getReceiveDynamicShadowsLowLod() const { return mLowLodShadows; }
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int getNumberOfLightsSupported() const;
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virtual void requestOptions(Ogre::Terrain* terrain);
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/// Internal
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};
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bool _isSM3Available() const { return mSM3Available; }
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protected:
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enum TechniqueType
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{
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HIGH_LOD,
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LOW_LOD,
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RENDER_COMPOSITE_MAP
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};
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void addTechnique(const MaterialPtr& mat, const Terrain* terrain, TechniqueType tt);
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/// Interface definition for helper class to generate shaders
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class ShaderHelper : public TerrainAlloc
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{
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public:
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ShaderHelper() : mShadowSamplerStartHi(0), mShadowSamplerStartLo(0) {}
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virtual ~ShaderHelper() {}
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virtual HighLevelGpuProgramPtr generateVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt);
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virtual HighLevelGpuProgramPtr generateFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt);
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virtual void updateParams(const SM2Profile* prof, const MaterialPtr& mat, const Terrain* terrain, bool compositeMap);
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protected:
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virtual String getVertexProgramName(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt);
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virtual String getFragmentProgramName(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt);
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virtual HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) = 0;
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virtual HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) = 0;
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virtual void generateVertexProgramSource(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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virtual void generateFragmentProgramSource(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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virtual void generateVpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0;
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virtual void generateFpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0;
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virtual void generateVpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) = 0;
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virtual void generateFpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) = 0;
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virtual void generateVpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0;
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virtual void generateFpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0;
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virtual void defaultVpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog);
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virtual void defaultFpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog);
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virtual void updateVpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const GpuProgramParametersSharedPtr& params);
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virtual void updateFpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const GpuProgramParametersSharedPtr& params);
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static String getChannel(uint idx);
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size_t mShadowSamplerStartHi;
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size_t mShadowSamplerStartLo;
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};
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/// Utility class to help with generating shaders for Cg / HLSL.
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class ShaderHelperCg : public ShaderHelper
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{
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protected:
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HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt);
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HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt);
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void generateVpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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void generateFpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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void generateVpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream);
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void generateFpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream);
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void generateVpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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void generateFpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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uint generateVpDynamicShadowsParams(uint texCoordStart, const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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void generateVpDynamicShadows(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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void generateFpDynamicShadowsHelpers(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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void generateFpDynamicShadowsParams(uint* texCoord, uint* sampler, const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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void generateFpDynamicShadows(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream);
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};
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class ShaderHelperHLSL : public ShaderHelperCg
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{
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protected:
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HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt);
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HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt);
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};
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/// Utility class to help with generating shaders for GLSL.
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class ShaderHelperGLSL : public ShaderHelper
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{
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protected:
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HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt);
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HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt);
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void generateVpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {}
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void generateFpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {}
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void generateVpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) {}
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void generateFpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) {}
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void generateVpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {}
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void generateFpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {}
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};
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ShaderHelper* mShaderGen;
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bool mLayerNormalMappingEnabled;
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bool mLayerParallaxMappingEnabled;
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bool mLayerSpecularMappingEnabled;
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bool mGlobalColourMapEnabled;
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bool mLightmapEnabled;
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bool mCompositeMapEnabled;
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bool mReceiveDynamicShadows;
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PSSMShadowCameraSetup* mPSSM;
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bool mDepthShadows;
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bool mLowLodShadows;
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bool mSM3Available;
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float mShadowFar;
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float mShadowFadeStart;
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bool isShadowingEnabled(TechniqueType tt, const Terrain* terrain) const;
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};
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};
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/** @} */
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/** @} */
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TerrainMaterial();
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};
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}
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}
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#endif
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#endif
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