adds wetness

cliffsnotes:
   $Core::WetnessTexture = "core/rendering/images/wetMap.png"; //for the influence degree map
probes/skylight have a new canDamp boolean, set to off for probes, on for skylight by default.
:levelinfo has a dampness multiplier (0-1)
kicked up numTextures from 8 to 16 for shaderdata and postfx since that hit the 8 texture-in prior limit, and we've already adopted apis that can handle the higher count

Engine/source/materials/materialManager.cpp

@@ -58,7 +58,8 @@ MaterialManager::MaterialManager()
 
    mDt = 0.0f; 
    mAccumTime = 0.0f; 
-   mLastTime = 0; 
+   mLastTime = 0;
+   mDampness = 0.0f;
    mWarningInst = NULL;
    
    GFXDevice::getDeviceEventSignal().notify( this, &MaterialManager::_handleGFXEvent );

Engine/source/materials/materialManager.h

@@ -105,7 +105,10 @@ public:
    F32 getTotalTime() const { return mAccumTime; }
    F32 getDeltaTime() const { return mDt; }
    U32 getLastUpdateTime() const { return mLastTime; }
-
+   
+   F32 getDampness() const { return mDampness; }
+   F32 getDampnessClamped() const { return mClampF(mDampness, 0.0, 1.0); }
+   void setDampness(F32 dampness) { mDampness = dampness; }
    /// Signal used to notify systems that 
    /// procedural shaders have been flushed.
    typedef Signal<void()> FlushSignal;
@@ -163,6 +166,7 @@ protected:
    F32 mDt;
    F32 mAccumTime;
    U32 mLastTime;
+   F32 mDampness;
 
    BaseMatInstance* mWarningInst;
 

Engine/source/materials/processedCustomMaterial.cpp

@@ -319,8 +319,9 @@ bool ProcessedCustomMaterial::setupPass( SceneRenderState *state, const SceneDat
    if (pm)
       pm->setProbeInfo(this, NULL, sgData, state, pass, shaderConsts);
 
-   shaderConsts->setSafe(rpd->shaderHandles.mAccumTimeSC, MATMGR->getTotalTime());   
-
+   shaderConsts->setSafe(rpd->shaderHandles.mAccumTimeSC, MATMGR->getTotalTime());
+   shaderConsts->setSafe(rpd->shaderHandles.mDampnessSC, MATMGR->getDampnessClamped());
+   
    return true;
 }
 

Engine/source/materials/processedShaderMaterial.cpp

@@ -94,6 +94,7 @@ void ShaderConstHandles::init( GFXShader *shader, CustomMaterial* mat /*=NULL*/)
    mEyeMatSC = shader->getShaderConstHandle(ShaderGenVars::eyeMat);
    mOneOverFarplane = shader->getShaderConstHandle(ShaderGenVars::oneOverFarplane);
    mAccumTimeSC = shader->getShaderConstHandle(ShaderGenVars::accumTime);
+   mDampnessSC = shader->getShaderConstHandle(ShaderGenVars::dampness);
    mMinnaertConstantSC = shader->getShaderConstHandle(ShaderGenVars::minnaertConstant);
    mSubSurfaceParamsSC = shader->getShaderConstHandle(ShaderGenVars::subSurfaceParams);
    mDiffuseAtlasParamsSC = shader->getShaderConstHandle(ShaderGenVars::diffuseAtlasParams);
@@ -1097,6 +1098,7 @@ void ProcessedShaderMaterial::_setShaderConstants(SceneRenderState * state, cons
 
    shaderConsts->setSafe( handles->mAccumTimeSC, MATMGR->getTotalTime() );
 
+   shaderConsts->setSafe(handles->mDampnessSC, MATMGR->getDampnessClamped());
    // If the shader constants have not been lost then
    // they contain the content from a previous render pass.
    //

Engine/source/materials/processedShaderMaterial.h

@@ -81,6 +81,7 @@ public:
    GFXShaderConstHandle* mEyeMatSC;
    GFXShaderConstHandle* mOneOverFarplane;
    GFXShaderConstHandle* mAccumTimeSC;
+   GFXShaderConstHandle* mDampnessSC;
    GFXShaderConstHandle* mMinnaertConstantSC;
    GFXShaderConstHandle* mSubSurfaceParamsSC;
    GFXShaderConstHandle* mDiffuseAtlasParamsSC;

Engine/source/materials/shaderData.h

@@ -93,7 +93,7 @@ protected:
 
    enum
    {
-      NumTextures = 8
+      NumTextures = 16
    };
 
    String mSamplerNames[NumTextures]; 
@@ -134,4 +134,4 @@ public:
    DECLARE_CONOBJECT(ShaderData);
 };
 
-#endif // _SHADERTDATA_H_
+#endif // _SHADERTDATA_H_