typedefstructShader {unsignedintid;// Shader program idint*locs;// Shader locations array (MAX_SHADER_LOCATIONS)}Shader;

// Shader location point typetypedefenum {SHADER_LOC_VERTEX_POSITION=0,SHADER_LOC_VERTEX_TEXCOORD01,SHADER_LOC_VERTEX_TEXCOORD02,SHADER_LOC_VERTEX_NORMAL,SHADER_LOC_VERTEX_TANGENT,SHADER_LOC_VERTEX_COLOR,SHADER_LOC_MATRIX_MVP,SHADER_LOC_MATRIX_MODEL,SHADER_LOC_MATRIX_VIEW,SHADER_LOC_MATRIX_PROJECTION,SHADER_LOC_VECTOR_VIEW,SHADER_LOC_COLOR_DIFFUSE,SHADER_LOC_COLOR_SPECULAR,SHADER_LOC_COLOR_AMBIENT,SHADER_LOC_MAP_ALBEDO,// SHADER_LOC_MAP_DIFFUSESHADER_LOC_MAP_METALNESS,// SHADER_LOC_MAP_SPECULARSHADER_LOC_MAP_NORMAL,SHADER_LOC_MAP_ROUGHNESS,SHADER_LOC_MAP_OCCUSION,SHADER_LOC_MAP_EMISSION,SHADER_LOC_MAP_HEIGHT,SHADER_LOC_MAP_CUBEMAP,SHADER_LOC_MAP_IRRADIANCE,SHADER_LOC_MAP_PREFILTER,SHADER_LOC_MAP_BRDF}ShaderLocationIndex;#defineSHADER_LOC_MAP_DIFFUSE      SHADER_LOC_MAP_ALBEDO#defineSHADER_LOC_MAP_SPECULAR     SHADER_LOC_MAP_METALNESS

#defineRL_DEFAULT_SHADER_ATTRIB_NAME_POSITION     "vertexPosition"    // Binded by default to shader location: 0#defineRL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD     "vertexTexCoord"    // Binded by default to shader location: 1#defineRL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL       "vertexNormal"      // Binded by default to shader location: 2#defineRL_DEFAULT_SHADER_ATTRIB_NAME_COLOR        "vertexColor"       // Binded by default to shader location: 3#defineRL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT      "vertexTangent"     // Binded by default to shader location: 4#defineRL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2    "vertexTexCoord2"   // Binded by default to shader location: 5#defineRL_DEFAULT_SHADER_UNIFORM_NAME_MVP         "mvp"               // model-view-projection matrix#defineRL_DEFAULT_SHADER_UNIFORM_NAME_VIEW        "matView"           // view matrix#defineRL_DEFAULT_SHADER_UNIFORM_NAME_PROJECTION  "matProjection"     // projection matrix#defineRL_DEFAULT_SHADER_UNIFORM_NAME_MODEL       "matModel"          // model matrix#defineRL_DEFAULT_SHADER_UNIFORM_NAME_NORMAL      "matNormal"         // normal matrix (transpose(inverse(matModelView))#defineRL_DEFAULT_SHADER_UNIFORM_NAME_COLOR       "colDiffuse"        // color diffuse (base tint color, multiplied by texture color)#defineRL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE0  "texture0"          // texture0 (texture slot active 0)#defineRL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE1  "texture1"          // texture1 (texture slot active 1)#defineRL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE2  "texture2"          // texture2 (texture slot active 2)

uniformmat4 mvp;// VS: ModelViewProjection matrixuniformmat4 matView;// VS: View matrixuniformmat4 matProjection;// VS: Projection matrixuniformmat4 matModel;// VS: Model matrixuniformmat4 matNormal;// VS: Normal matrixuniformvec4 colDiffuse;// FS: Diffuse coloruniformsampler2D texture0;// FS: GL_TEXTURE0uniformsampler2D texture1;// FS: GL_TEXTURE1uniformsampler2D texture2;// FS: GL_TEXTURE2

// Material type (generic)typedefstructMaterial {Shadershader;// Material shaderMaterialMap*maps;// Material maps array (MAX_MATERIAL_MAPS)float*params;// Material generic parameters (if required)}Material;

// Material map typetypedefenum {MATERIAL_MAP_ALBEDO=0,// MATERIAL_MAP_DIFFUSEMATERIAL_MAP_METALNESS=1,// MATERIAL_MAP_SPECULARMATERIAL_MAP_NORMAL=2,MATERIAL_MAP_ROUGHNESS=3,MATERIAL_MAP_OCCLUSION,MATERIAL_MAP_EMISSION,MATERIAL_MAP_HEIGHT,MATERIAL_MAP_CUBEMAP,// NOTE: Uses GL_TEXTURE_CUBE_MAPMATERIAL_MAP_IRRADIANCE,// NOTE: Uses GL_TEXTURE_CUBE_MAPMATERIAL_MAP_PREFILTER,// NOTE: Uses GL_TEXTURE_CUBE_MAPMATERIAL_MAP_BRDF}TexmapIndex;#defineMATERIAL_MAP_DIFFUSE      MATERIAL_MAP_ALBEDO#defineMATERIAL_MAP_SPECULAR     MATERIAL_MAP_METALNESS

// Default material loading exampleMaterialmaterial=LoadMaterialDefault();// Default shader assigned to materialmaterial.maps[MATERIAL_MAP_DIFFUSE].texture=LoadTexture("tex_diffuse.png");// texture unit 0 activated (available in material shader)material.maps[MATERIAL_MAP_SPECULAR].texture=LoadTexture("tex_specular.png");// texture unit 1 activated (available in material shader)

Materialmaterial= {0 };// Empty materialmaterial.shader=LoadShader("custom_shader.vs","custom_shader.fs");// Set up location points in case names are not predefined ones or more locations are required// Use: GetShaderLocation() and SetShaderValue*() functionsmaterial.maps[0].texture=LoadTexture("tex_albedo.png");material.maps[1].texture=LoadTexture("tex_metalness.png");material.maps[2].texture=LoadTexture("tex_normal.png");