source: data/Media/materials/scripts/asteroids.material @ 5121

//--------------
// Bump mapping
//--------------

// Bump map vertex program, support for this is required
vertex_program BumpMapVP cg
{
        source BumpMapping.cg
        entry_point main_vp
        profiles vs_1_1 arbvp1
}

// Bump map fragment program, support for this is optional
fragment_program BumpMapFP cg
{
        source BumpMapping.cg
        entry_point main_fp
        profiles ps_1_1 arbfp1 fp20
}

// Bump map with specular vertex program, support for this is required
vertex_program BumpMapVPSpecular cg
{
        source BumpMapping.cg
        entry_point specular_vp
        profiles vs_1_1 arbvp1
}

// Bump map fragment program, support for this is optional
fragment_program BumpMapFPSpecular cg
{
        source BumpMapping.cg
        entry_point specular_fp
        profiles ps_1_1 arbfp1 fp20

        default_params
        {
        param_named shine float 3
        }

}


// Any number of lights, diffuse and specular
material Asteroid/BumpMap/MultiLightSpecular
{

        // This is the preferred technique which uses both vertex and
        // fragment programs, supports coloured lights
        technique
        {
                // Base ambient pass
                pass
                {
                        // base colours, not needed for rendering, but as information
                        // to lighting pass categorisation routine
                        ambient 1 1 1
                        diffuse 0 0 0
                        specular 0 0 0 0
                        // Really basic vertex program
                        // NB we don't use fixed function here because GL does not like
                        // mixing fixed function and vertex programs, depth fighting can
                        // be an issue
                        vertex_program_ref Ogre/BasicVertexPrograms/AmbientOneTexture
                        {
                                param_named_auto worldViewProj worldviewproj_matrix
                                param_named_auto ambient ambient_light_colour
                        }

                }
                // Now do the lighting pass
                // NB we don't do decal texture here because this is repeated per light
                pass
                {
                        // base colours, not needed for rendering, but as information
                        // to lighting pass categorisation routine
                        ambient 0 0 0
                        // do this for each light
                        iteration once_per_light


                        scene_blend add

                        // Vertex program reference
                        vertex_program_ref BumpMapVPSpecular
                        {
                                param_named_auto lightPosition light_position_object_space 0
                                param_named_auto eyePosition camera_position_object_space
                                param_named_auto worldViewProj worldviewproj_matrix
                        }

                        // Fragment program
                        fragment_program_ref BumpMapFPSpecular
                        {
                                param_named_auto lightDiffuse light_diffuse_colour 0
                                param_named_auto lightSpecular light_specular_colour 0
                        }

                        // Base bump map
                        texture_unit
                        {
                                texture NMrock.tga
                                colour_op replace
                        }
                        // Normalisation cube map
                        texture_unit
                        {
                                cubic_texture nm.tga combinedUVW
                                tex_coord_set 1
                                tex_address_mode clamp
                        }
                        // Normalisation cube map #2
                        texture_unit
                        {
                                cubic_texture nm.tga combinedUVW
                                tex_coord_set 2
                                tex_address_mode clamp
                        }
                }

                // Decal pass
                pass
                {
                        lighting off
                        // Really basic vertex program
                        // NB we don't use fixed function here because GL does not like
                        // mixing fixed function and vertex programs, depth fighting can
                        // be an issue
                        vertex_program_ref Ogre/BasicVertexPrograms/AmbientOneTexture
                        {
                                param_named_auto worldViewProj worldviewproj_matrix
                                param_named ambient float4 1 1 1 1
                        }
                        scene_blend dest_colour zero
                        texture_unit
                        {
                                texture rock.tga
                        }

                }
        }

        // This is the fallback which cards which don't have fragment program
        // support will use, NB does not support specular colour
        // Note that it still requires vertex program support
        technique
        {
                // Base ambient pass
                pass
                {
                        // base colours, not needed for rendering, but as information
                        // to lighting pass categorisation routine
                        ambient 1 1 1
                        diffuse 0 0 0
                        specular 0 0 0 0
                        // Really basic vertex program
                        // NB we don't use fixed function here because GL does not like
                        // mixing fixed function and vertex programs, depth fighting can
                        // be an issue
                        vertex_program_ref Ogre/BasicVertexPrograms/AmbientOneTexture
                        {
                                param_named_auto worldViewProj worldviewproj_matrix
                                param_named_auto ambient ambient_light_colour
                        }

                }
                // Now do the lighting pass
                // NB we don't do decal texture here because this is repeated per light
                pass
                {
                        // base colours, not needed for rendering, but as information
                        // to lighting pass categorisation routine
                        ambient 0 0 0
                        // do this for each light
                        iteration once_per_light


                        scene_blend add

                        // Vertex program reference
                        vertex_program_ref BumpMapVP
                        {
                                param_named_auto lightPosition light_position_object_space 0
                                param_named_auto worldViewProj worldviewproj_matrix
                        }

                        // Base bump map
                        texture_unit
                        {
                                texture NMrock.tga
                                colour_op replace
                        }
                        // Normalisation cube map, with dot product on bump map
                        texture_unit
                        {
                                cubic_texture nm.tga combinedUVW
                                tex_coord_set 1
                                tex_address_mode clamp
                                colour_op_ex dotproduct src_texture src_current
                                colour_op_multipass_fallback dest_colour zero
                        }
                }

                // Decal pass
                pass
                {
                        lighting off
                        // Really basic vertex program
                        // NB we don't use fixed function here because GL does not like
                        // mixing fixed function and vertex programs, depth fighting can
                        // be an issue
                        vertex_program_ref Ogre/BasicVertexPrograms/AmbientOneTexture
                        {
                                param_named_auto worldViewProj worldviewproj_matrix
                                param_named ambient float4 1 1 1 1
                        }
                        scene_blend dest_colour zero
                        texture_unit
                        {
                                texture rock.tga
                        }

                }

        }
}