

vertex_program IceVPCG cg
{
	source materials/programs/ice.cgfx
	profiles vs_1_1
	entry_point NoiseVS
}
fragment_program IceFPCG cg
{
	source materials/programs/ice.cgfx
	entry_point icePSStuds
	profiles ps_2_x
}
vertex_program IceVP_gbufferCG cg
{
	source materials/programs/ice.cgfx
	profiles vs_1_1
	entry_point NoiseVS
	
	compile_arguments -DGBUFFER
}
fragment_program IceFP_gbufferCG cg
{
	source materials/programs/ice.cgfx
	entry_point icePSStuds
	profiles ps_2_x

	compile_arguments -DGBUFFER
}

// GLSL Programs
vertex_program IceVPGLSL glsl
{
	source materials/programs/glsl/vert/noise.vert
	preprocessor_defines GLSL=1,GLSL_VERT=1,ENABLE_REFLECTIONS=1
}
fragment_program IceFPGLSL glsl
{
	source materials/programs/glsl/frag/ice.frag
	preprocessor_defines GLSL=1,GLSL_FRAG=1,ENABLE_REFLECTIONS=1
	default_params
	{
		param_named StudsSamp int 0
		param_named NoiseSamp int 1
		param_named NormalSamp int 2
		param_named EnvSampler int 3
	}
}
vertex_program IceVP_gbufferGLSL glsl
{
	source materials/programs/glsl/vert/noise.vert
	preprocessor_defines GLSL=1,GLSL_VERT=1,ENABLE_REFLECTIONS=1,GBUFFER=1
	
}
fragment_program IceFP_gbufferGLSL glsl
{
	source materials/programs/glsl/frag/ice.frag
	preprocessor_defines GLSL=1,GLSL_FRAG=1,ENABLE_REFLECTIONS=1,GBUFFER=1

	default_params
	{
		param_named StudsSamp int 0
		param_named NoiseSamp int 1
		param_named NormalSamp int 2
		param_named EnvSampler int 3
	}
}

// Unified programs
vertex_program IceVP unified
{
	delegate IceVPCG
	delegate IceVPGLSL
}
fragment_program IceFP unified
{
	delegate IceFPCG
	delegate IceFPGLSL
}
vertex_program IceVP_gbuffer unified
{
	delegate IceVP_gbufferCG
	delegate IceVP_gbufferGLSL
}
fragment_program IceFP_gbuffer unified
{
	delegate IceFP_gbufferCG
	delegate IceFP_gbufferGLSL
}

material Ice_Low
{
	lod_distances 320.0
	technique lod1
	{
		pass
		{
			ambient vertexcolour
			diffuse vertexcolour
			specular 0.0 0.0 0.0 25
			// mimic current wood shader limitation
			max_lights 2
		
			texture_unit
			{
				texture_alias Studs
				tex_coord_set 0
				texture textures/surfacesAlpha.png
				colour_op alpha_blend
				//ignore alpha from SurfaceAlpha.png. Use fixed alpha. VERY IMPORTANT FOR OFF-SCREEN RENDERING!
		        alpha_op_ex source1 src_manual src_manual 1 1 1
		        filtering trilinear
			}
		}
	}

}

material Ice_Med 
{
	lod_distances 320.0
	
	technique LegacyFF_lod0
	{
		lod_index 0
		pass
		{
			ambient vertexcolour
			diffuse vertexcolour
			specular 0.0 0.0 0.0 25
			// mimic current wood shader limitation
			max_lights 2
			
			texture_unit
			{
				tex_coord_set 1
				texture textures/IceFallback.png
		        filtering trilinear
		        colour_op_ex add_signed src_texture src_current
				//ignore alpha from SurfaceAlpha.png. Use alpha from vertices (in this case, it is not set, so use manual 1.0). VERY IMPORTANT FOR OFF-SCREEN RENDERING!
		        alpha_op_ex source1 src_manual src_manual 1.0 1.0 1.0
		        transform 0.06 0 0 0	0 0.06 0 0		0 0 0.06 0		0 0 0 1
		        //transform 0.01699672 0.1353425 -0.03733006 0 -0.1155417 -0.07062286 -0.04077413 0 0 0 0 0 0 0 0 1
			}
			
			texture_unit
			{
				texture_alias Studs
				tex_coord_set 0
				texture textures/surfacesAlpha.png
				colour_op alpha_blend
				//ignore alpha from SurfaceAlpha.png. Use fixed alpha. VERY IMPORTANT FOR OFF-SCREEN RENDERING!
		        alpha_op_ex source1 src_manual src_manual 1 1 1
        
		        filtering trilinear
			}
		}
	}
	
	technique lod1
	{
		lod_index 1
		pass
		{
			ambient vertexcolour
			diffuse vertexcolour
			specular 0.0 0.0 0.0 25
			// mimic current wood shader limitation
			max_lights 2
			
			texture_unit
			{
				tex_coord_set 1
				texture textures/IceFallback.png
		        filtering trilinear
		        colour_op_ex add_signed src_texture src_current
				//ignore alpha from SurfaceAlpha.png. Use alpha from vertices (in this case, it is not set, so use manual 1.0). VERY IMPORTANT FOR OFF-SCREEN RENDERING!
		        alpha_op_ex source1 src_manual src_manual 1.0 1.0 1.0
		        transform 0.06 0 0 0	0 0.06 0 0		0 0 0.06 0		0 0 0 1
		        //transform 0.01699672 0.1353425 -0.03733006 0 -0.1155417 -0.07062286 -0.04077413 0 0 0 0 0 0 0 0 1
			}
			
		}
	}
}

material Ice_High : Ice_Low
{
	lod_distances 320.0
	technique Procedural_lod0
	{
		scheme Default
		lod_index 0

		pass
		{
			max_lights 2
			
			vertex_program_ref IceVP
			{
				param_named_auto Lamp0Pos light_position 0
				param_named_auto Lamp1Pos light_position 1
				param_named_auto WorldITXf inverse_transpose_world_matrix
				param_named_auto WorldXf world_matrix
				param_named_auto ViewIXf inverse_view_matrix
				param_named_auto WvpXf worldviewproj_matrix
				param_named_auto WorldXf world_matrix
				param_named_auto WvXf worldview_matrix
				param_named Transform3DNoiseCoordinates float 1
				param_named FadeDistance float 260
				param_named NormMapScale float  0.01
			}

			fragment_program_ref IceFP
			{
				param_named_auto AmbiColor ambient_light_colour
				param_named_auto Lamp0Color light_diffuse_colour 0
				param_named_auto Lamp1Color light_diffuse_colour 1
				param_named Ks float 0.4
				param_named SpecExpon float  25
				param_named NoiseScale float  7
				param_named Kr float 0.55
				param_named FresnelVal float 0.5
				param_named_auto FogColour fog_colour
				param_named_auto FogParams fog_params
			}
			
			texture_unit
			{
				texture_alias Studs
				tex_coord_set 0
				texture textures/SurfacesAlpha.png
		        filtering trilinear
			}
			
			texture_unit
			{
				tex_coord_set 1
				texture textures/vol_ice_cracked2.dds 3d
		        filtering trilinear
			}
			texture_unit
			{
				tex_coord_set 2
				texture textures/Sand_Normal.dds
		        filtering trilinear 
			}
			texture_unit
			{
				texture_alias SkyBox
				tex_coord_set 3
				texture textures/penv.dds cubic
		        filtering trilinear
			}
		}
		
	}
	
	technique 
	{
		scheme MRT
		lod_index 0

		pass
		{
			max_lights 2
			
			vertex_program_ref IceVP_gbuffer
			{
				param_named_auto Lamp0Pos light_position 0
				param_named_auto Lamp1Pos light_position 1
				param_named_auto WorldITXf inverse_transpose_world_matrix
				param_named_auto WorldXf world_matrix
				param_named_auto ViewIXf inverse_view_matrix
				param_named_auto WvpXf worldviewproj_matrix
				param_named_auto WvXf worldview_matrix
				param_named Transform3DNoiseCoordinates float 1
				param_named FadeDistance float 260
				param_named NormMapScale float  0.01
			}

			fragment_program_ref IceFP_gbuffer
			{
				param_named_auto AmbiColor ambient_light_colour
				param_named_auto Lamp0Color light_diffuse_colour 0
				param_named_auto Lamp1Color light_diffuse_colour 1
				param_named Ks float 0.4
				param_named SpecExpon float  25
				param_named NoiseScale float  7
				param_named Kr float 0.55
				param_named FresnelVal float 0.5
				param_named_auto FogColour fog_colour
				param_named_auto FogParams fog_params
			}
			
			texture_unit
			{
				texture_alias Studs
				tex_coord_set 0
				texture textures/SurfacesAlpha.png
		        filtering trilinear
			}
			
			texture_unit
			{
				tex_coord_set 1
				texture textures/vol_ice_cracked2.dds 3d
		        filtering trilinear
			}
			texture_unit
			{
				tex_coord_set 2
				texture textures/Sand_Normal.dds
		        filtering trilinear 
			}
			texture_unit
			{
				texture_alias SkyBox
				tex_coord_set 3
				texture textures/penv.dds cubic
		        filtering trilinear
			}
		}
		
	}

	
	technique lod1
	{
		lod_index 1
	}
		
}


