Shariq Shah
10 years ago
parent
77b93bc480
commit
1bc7fc4e9e
@ -0,0 +1,172 @@ |
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#include "material.h" |
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#include "array.h" |
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#include "shader.h" |
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#include "string_utils.h" |
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#include "log.h" |
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#include "model.h" |
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#include <string.h> |
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#include <stdlib.h> |
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static struct Material* material_list; |
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static int* empty_indices; |
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void material_init(void) |
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{ |
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material_list = array_new(struct Material); |
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empty_indices = array_new(int); |
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/* TODO: implement reading material definitions from files */ |
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/* Simple unshaded material */ |
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struct Material* unshaded_mat = array_grow(material_list, struct Material); |
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unshaded_mat->name = str_new("Unshaded"); |
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unshaded_mat->shader = shader_create("unshaded.vert", "unshaded.frag"); |
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unshaded_mat->registered_models = array_new(int); |
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unshaded_mat->model_params = array_new(struct Uniform); |
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unshaded_mat->pipeline_params = array_new(struct Uniform); |
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unshaded_mat->active = 1; |
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struct Uniform* uniform = array_grow(unshaded_mat->pipeline_params, struct Uniform); |
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uniform->name = str_new("mvp"); |
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uniform->type = UT_MAT4; |
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uniform->location = shader_get_uniform_location(unshaded_mat->shader, uniform->name); |
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uniform = array_grow(unshaded_mat->model_params, struct Uniform); |
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uniform->name = str_new("diffuse_color"); |
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uniform->type = UT_VEC4; |
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uniform->location = shader_get_uniform_location(unshaded_mat->shader, "diffuse_color"); |
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} |
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struct Material* material_get_all_materials(void) |
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{ |
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return material_list; |
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} |
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void material_cleanup(void) |
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{ |
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for(int i = 0; i < array_len(material_list); i++) |
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material_remove(i); |
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array_free(empty_indices); |
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} |
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int material_register_model(struct Model* model, int model_index, const char* material_name) |
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{ |
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assert(material_name && model); |
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int success = 0; |
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int index = material_get_index(material_name); |
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if(index < -1) |
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{ |
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log_error("material:register_model", "Material '%s' not found", material_name); |
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return success; |
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} |
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struct Material* material = &material_list[index]; |
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model->material = index; |
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model->material_params = array_new(struct Material_Param); |
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for(int i = 0; i < array_len(material->model_params); i++) |
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{ |
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/* set up parameters */ |
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struct Uniform* uniform = &material->model_params[i]; |
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struct Material_Param* param = array_grow(model->material_params, struct Material_Param); |
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param->uniform_index = i; |
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switch(uniform->type) |
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{ |
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case UT_INT: |
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param->value = malloc(sizeof(int)); |
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*((int*)param->value) = -1; |
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break; |
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case UT_FLOAT: |
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param->value = malloc(sizeof(float)); |
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*((float*)param->value) = -1.f; |
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break; |
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case UT_VEC2: |
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param->value = malloc(sizeof(vec2)); |
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vec2_fill((vec2*)param->value, 0.f, 0.f); |
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break; |
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case UT_VEC3: |
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param->value = malloc(sizeof(vec3)); |
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vec3_fill((vec3*)param->value, 0.f, 0.f, 0.f); |
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break; |
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case UT_VEC4: |
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param->value = malloc(sizeof(vec4)); |
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vec4_fill((vec4*)param->value, 0.f, 0.f, 0.f, 0.f); |
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break; |
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case UT_MAT4: |
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param->value = malloc(sizeof(mat4)); |
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mat4_identity((mat4*)param->value); |
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break; |
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} |
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} |
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array_push(material->registered_models, model_index, int); |
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success = 1;
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return success; |
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} |
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void material_unregister_model(struct Model* model, int model_index) |
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{ |
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assert(model); |
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struct Material* material = &material_list[model->material]; |
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/* Remove model index from material registry*/ |
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for(int i = 0; i < array_len(material->registered_models); i++) |
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{ |
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if(material->registered_models[i] == model_index) |
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{ |
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array_remove_at(material->registered_models, i); |
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break; |
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} |
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} |
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} |
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struct Material* material_find(const char* material_name) |
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{ |
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struct Material* material = NULL; |
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int index = material_get_index(material_name); |
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if(index > -1) material = &material_list[index]; |
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return material; |
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} |
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int material_get_index(const char* material_name) |
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{ |
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int index = -1; |
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for(int i = 0; i < array_len(material_list); i++) |
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{ |
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if(!material_list[i].name) continue; |
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if(strcmp(material_name, material_list[i].name) == 0) |
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{ |
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index = i; |
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break; |
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} |
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} |
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return index; |
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} |
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struct Material* material_get(int index) |
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{ |
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struct Material* material = NULL; |
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if(index > -1 && index < array_len(material_list)) |
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material = &material_list[index]; |
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return material; |
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} |
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void material_remove(int index) |
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{ |
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assert(index > -1 && index < array_len(material_list)); |
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struct Material* material = &material_list[index]; |
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if(!material->active) |
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return; |
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material->active = 0; |
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array_free(material->registered_models); |
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for(int i = 0; i < array_len(material->model_params); i++) |
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free(material->model_params[i].name); |
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array_free(material->model_params); |
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for(int i = 0; i < array_len(material->pipeline_params); i++) |
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free(material->pipeline_params[i].name); |
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array_free(material->pipeline_params); |
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log_message("Removed material '%s'", material->name); |
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free(material->name); |
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array_push(empty_indices, index, int); |
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} |
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@ -0,0 +1,39 @@ |
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#ifndef material_H |
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#define material_H |
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struct Model; |
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struct Uniform |
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{ |
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int location; |
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int type; |
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char* name; |
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}; |
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struct Material_Param |
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{ |
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int uniform_index; /* Index of the corresponding uniform in the material's model_params */ |
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void* value; /* Actual value of the uniform */ |
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}; |
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struct Material |
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{ |
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char* name; |
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int shader; |
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int* registered_models; |
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int active; |
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struct Uniform* model_params; /* uniforms related to models */ |
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struct Uniform* pipeline_params; /* general uniforms like matrices etc */ |
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}; |
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struct Material* material_get_all_materials(void); |
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struct Material* material_find(const char* material_name); |
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struct Material* material_get(int index); |
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int material_get_index(const char* material_name); |
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void material_init(void); |
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void material_cleanup(void); |
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int material_register_model(struct Model* model, int model_index, const char* material_name); |
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void material_unregister_model(struct Model* model, int model_index); |
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void material_remove(int index); |
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#endif |
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