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comparison: src/sprite.c

src/sprite.c

changeset 150
3045f61bc4eb
parent 145
a3231310d66d
child 151
42960d0c879b
equal deleted inserted replaced
149:560772519ff9 150:3045f61bc4eb
104 .size = asc_vec2f_new(sprite->width, sprite->height), 104 .size = asc_vec2f_new(sprite->width, sprite->height),
105 .uv_scale = uv_scale 105 .uv_scale = uv_scale
106 ); 106 );
107 } 107 }
108 108
109 void asc_sprite_draw(const AscCamera *camera, const AscSceneNode *node) {
110 asc_ptr_cast(const AscSprite, sprite, node);
111
112 // Activate shader
113 // TODO: scene should know which shader we are going to activate s.t. it can pre-sort nodes
114 const AscSpriteShader *shader =
115 sprite->texture->target == GL_TEXTURE_RECTANGLE
116 ? asc_sprite_shader_rect()
117 : asc_sprite_shader_uv();
118 asc_shader_use(&shader->program, camera);
119
120 // Upload model matrix
121 glUniformMatrix4fv(shader->program.model, 1,
122 GL_FALSE, node->world_transform);
123
124 // Bind texture
125 asc_texture_bind(sprite->texture, shader->tex, 0);
126
127 // Draw mesh
128 asc_mesh_draw_triangle_strip(&sprite->mesh);
129 }
130
109 AscSceneNode *asc_sprite_create(struct asc_sprite_create_args args) { 131 AscSceneNode *asc_sprite_create(struct asc_sprite_create_args args) {
110 AscSprite *sprite = cxZallocDefault(sizeof(AscSprite)); 132 AscSprite *sprite = cxZallocDefault(sizeof(AscSprite));
111 133
112 // sprite parameters 134 // sprite parameters
113 args.texture->refcount++; 135 args.texture->refcount++;
120 142
121 // basic node parameters 143 // basic node parameters
122 AscSceneNode *node = (AscSceneNode *) sprite; 144 AscSceneNode *node = (AscSceneNode *) sprite;
123 asc_scene_node_name(node, args.name); 145 asc_scene_node_name(node, args.name);
124 node->render_group = args.opaque 146 node->render_group = args.opaque
125 ? ASC_RENDER_GROUP_SPRITE_OPAQUE 147 ? ASC_RENDER_GROUP_2D_OPAQUE
126 : ASC_RENDER_GROUP_SPRITE_BLEND; 148 : ASC_RENDER_GROUP_2D_BLEND;
127 node->update_func = asc_sprite_update; 149 node->update_func = asc_sprite_update;
128 node->destroy_func = asc_sprite_destroy; 150 node->destroy_func = asc_sprite_destroy;
151 node->draw_func = asc_sprite_draw;
129 152
130 node->position = asc_vec3f_new(args.x, args.y, ASC_SCENE_2D_DEPTH_OFFSET); 153 node->position = asc_vec3f_new(args.x, args.y, ASC_SCENE_2D_DEPTH_OFFSET);
131 node->scale = asc_vec3f_one; 154 node->scale = asc_vec3f_one;
132 155
133 asc_node_update(node); 156 asc_node_update(node);
134 return node; 157 return node;
135 }
136
137 void asc_sprite_draw(const AscCamera *camera, const AscSprite *node) {
138 // Activate shader
139 const AscSpriteShader *shader =
140 node->texture->target == GL_TEXTURE_RECTANGLE
141 ? asc_sprite_shader_rect()
142 : asc_sprite_shader_uv();
143 asc_shader_use(&shader->program, camera);
144
145 // Upload model matrix
146 glUniformMatrix4fv(shader->program.model, 1,
147 GL_FALSE, node->data.world_transform);
148
149 // Bind texture
150 asc_texture_bind(node->texture, shader->tex, 0);
151
152 // Draw mesh
153 asc_mesh_draw_triangle_strip(&node->mesh);
154 } 158 }
155 159
156 void asc_sprite_set_size(AscSceneNode *node, unsigned width, unsigned height) { 160 void asc_sprite_set_size(AscSceneNode *node, unsigned width, unsigned height) {
157 AscSprite *sprite = (AscSprite*) node; 161 AscSprite *sprite = (AscSprite*) node;
158 sprite->width = width; 162 sprite->width = width;

Mercurial Repository: ascension

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