Changeset 5121

Timestamp:

May 28, 2008, 2:44:22 PM (16 years ago)

Author:

janise

Message:

Media/materials/scripts/asteroids.material changed to a bump mapping shader

File:

• data/Media/materials/scripts/asteroids.material (modified) (1 diff)

data/Media/materials/scripts/asteroids.material

@@ -1 @@
-material rock/TEXFACE/rock.tga
-{
-        receive_shadows on
+
+//--------------
+// 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
         {
-                pass
-                {
-                        ambient 0.500000 0.500000 0.500000 1.000000
-                        diffuse 0.800000 0.800000 0.800000 1.000000
-                        emissive 0.000000 0.000000 0.000000 1.000000
+                // 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
-                                colour_op modulate
-                        }
-                }
-                pass
-                {
-                        ambient 0.0 0.0 0.0
-                        diffuse 0.0 0.0 0.0
-                        specular 0.000000 0.000000 0.000000 1.000000 12.500000
+                        }
+
+                }
+        }
+
+        // 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
+                        }
+
+                }
+
         }
 }
+
+
+