Generate cloud shader.

--HG--
branch : gsoc2013-dfighter

code/nel/src/3d/driver/OpenGL3/driver_glsl_shader_generator.cpp

@@ -164,6 +164,7 @@ namespace NL3D
 		case CMaterial::Normal:
 		case CMaterial::UserColor:
 		case CMaterial::LightMap:
+		case CMaterial::Cloud:
 			generateNormalVS();
 			break;
 
@@ -227,6 +228,10 @@ namespace NL3D
 		case CMaterial::Water:
 			generateWaterPS();
 			break;
+
+		case CMaterial::Cloud:
+			generateCloudPS();
+			break;
 		}
 
 		ps.assign( ss.str() );
@@ -988,6 +993,31 @@ namespace NL3D
 
 		ss << std::endl;
 	}
+
+	void CGLSLShaderGenerator::generateCloudPS()
+	{
+		ss << "smooth in vec4 texCoord0;" << std::endl;
+		ss << "smooth in vec4 texCoord1;" << std::endl;
+		ss << std::endl;
+
+		ss << "uniform sampler2D sampler0;" << std::endl;
+		ss << "uniform sampler2D sampler1;" << std::endl;
+		ss << std::endl;
+
+		ss << "void main( void )" << std::endl;
+		ss << "{" << std::endl;
+
+		addDiffuse();
+
+		ss << "vec4 tex0 = texture2D( sampler0, texCoord0 );" << std::endl;
+		ss << "vec4 tex1 = texture2D( sampler1, texCoord1 );" << std::endl;
+		ss << "vec4 tex = mix( tex0, tex1, diffuse.a );" << std::endl;
+		ss << "tex.a = 0;" << std::endl;
+		ss << "fragColor = tex;" << std::endl;
+		ss << "}" << std::endl;
+		ss << std::endl;
+
+	}
 }
 
 

code/nel/src/3d/driver/OpenGL3/driver_glsl_shader_generator.h

@@ -64,6 +64,8 @@ namespace NL3D
 
 		void generateWaterPS();
 
+		void generateCloudPS();
+
 		std::stringstream ss;
 		uint16 vbFormat;
 		CMaterial const *material;