clamp spot angle to 179,

up custommaterial inputs to 16
add Material::PhotometricMask:handling to processedcustommaterial
and for paranoias sake go ahead and be explicit about _getLightMaterial (those *should* be unneeded as they optionally default to that, but it's how they were in the beatup fork during testing)

Engine/source/materials/materialDefinition.h

@@ -71,7 +71,7 @@ public:
    //-----------------------------------------------------------------------
    enum Constants
    {
-      MAX_TEX_PER_PASS = 8,         ///< Number of textures per pass
+      MAX_TEX_PER_PASS = 16,         ///< Number of textures per pass
       MAX_STAGES = 4,
       NUM_EFFECT_COLOR_STAGES = 2,  ///< Number of effect color definitions for transitioning effects.
    };

Engine/source/materials/processedCustomMaterial.cpp

@@ -361,6 +361,7 @@ void ProcessedCustomMaterial::setTextureStages( SceneRenderState *state, const S
             break;
 
          case Material::Mask:
+         case Material::PhotometricMask:
          case Material::Standard:
          case Material::Bump:
          case Material::Detail: