comparison: src/sprite.c
src/sprite.c
- changeset 118
- 830608f7e7d9
- parent 117
- d1267f656a97
equal
deleted
inserted
replaced
| 117:d1267f656a97 | 118:830608f7e7d9 |
|---|---|
| 38 AscSprite *sprite = (AscSprite *) node; | 38 AscSprite *sprite = (AscSprite *) node; |
| 39 asc_mesh_destroy(&sprite->mesh); | 39 asc_mesh_destroy(&sprite->mesh); |
| 40 sprite->texture->refcount--; | 40 sprite->texture->refcount--; |
| 41 } | 41 } |
| 42 | 42 |
| 43 static void asc_sprite_update(AscSceneNode *node) { | |
| 44 AscSprite *sprite = (AscSprite *) node; | |
| 45 | |
| 46 // calculate texture parameters | |
| 47 asc_vec2f uv_scale; | |
| 48 if (sprite->texture_scale_mode == ASC_TEXTURE_SCALE_REPEAT) { | |
| 49 uv_scale = asc_texture_calculate_uv_scale(sprite->texture, | |
| 50 asc_vec2u_new(sprite->width, sprite->height), sprite->texture_scale); | |
| 51 } else { | |
| 52 uv_scale = sprite->texture_scale; | |
| 53 } | |
| 54 | |
| 55 // update mesh | |
| 56 asc_mesh_plane_2d(&sprite->mesh, | |
| 57 .size = asc_vec2f_new(sprite->width, sprite->height), | |
| 58 .uv_scale = uv_scale | |
| 59 ); | |
| 60 } | |
| 61 | |
| 43 AscSceneNode *asc_sprite_create(struct asc_sprite_create_args args) { | 62 AscSceneNode *asc_sprite_create(struct asc_sprite_create_args args) { |
| 44 AscSprite *sprite = calloc(1, sizeof(AscSprite)); | 63 AscSprite *sprite = calloc(1, sizeof(AscSprite)); |
| 45 | 64 |
| 46 // special sprite parameters | 65 // sprite parameters |
| 47 args.texture->refcount++; | 66 args.texture->refcount++; |
| 48 sprite->texture = args.texture; | 67 sprite->texture = args.texture; |
| 68 sprite->width = args.width; | |
| 69 sprite->height = args.height; | |
| 70 sprite->texture_scale_mode = args.texture_scale_mode; | |
| 71 sprite->texture_scale.u = ASC_NONZERO_OR(1.f, args.texture_scale_x); | |
| 72 sprite->texture_scale.v = ASC_NONZERO_OR(1.f, args.texture_scale_y); | |
| 49 | 73 |
| 50 // basic node parameters | 74 // basic node parameters |
| 51 AscSceneNode *node = (AscSceneNode *) sprite; | 75 AscSceneNode *node = (AscSceneNode *) sprite; |
| 52 asc_scene_node_name(node, args.name); | 76 asc_scene_node_name(node, args.name); |
| 53 node->render_group = args.opaque | 77 node->render_group = args.opaque |
| 54 ? ASC_RENDER_GROUP_SPRITE_OPAQUE | 78 ? ASC_RENDER_GROUP_SPRITE_OPAQUE |
| 55 : ASC_RENDER_GROUP_SPRITE_BLEND; | 79 : ASC_RENDER_GROUP_SPRITE_BLEND; |
| 80 node->update_func = asc_sprite_update; | |
| 56 node->destroy_func = asc_sprite_destroy; | 81 node->destroy_func = asc_sprite_destroy; |
| 57 | 82 |
| 58 node->position = asc_vec3f_new(args.x, args.y, ASC_SCENE_2D_DEPTH_OFFSET); | 83 node->position = asc_vec3f_new(args.x, args.y, ASC_SCENE_2D_DEPTH_OFFSET); |
| 59 node->scale = asc_vec3f_one; | 84 node->scale = asc_vec3f_one; |
| 60 asc_node_update_transform(node); | |
| 61 | 85 |
| 62 // calculate texture parameters | 86 asc_node_update(node); |
| 63 asc_vec2f uv_scale; | |
| 64 uv_scale.u = ASC_NONZERO_OR(1.f, args.texture_scale_x); | |
| 65 uv_scale.v = ASC_NONZERO_OR(1.f, args.texture_scale_y); | |
| 66 if (args.texture_scale_mode == ASC_TEXTURE_SCALE_REPEAT) { | |
| 67 uv_scale = asc_texture_calculate_uv_scale(args.texture, | |
| 68 asc_vec2u_new(args.width, args.height), uv_scale); | |
| 69 } | |
| 70 | |
| 71 // initialize mesh | |
| 72 asc_mesh_plane_2d(&sprite->mesh, | |
| 73 .size = asc_vec2f_new(args.width, args.height), | |
| 74 .uv_scale = uv_scale | |
| 75 ); | |
| 76 | |
| 77 return node; | 87 return node; |
| 78 } | 88 } |
| 79 | 89 |
| 80 void asc_sprite_draw(AscSprite const *node) { | 90 void asc_sprite_draw(AscSprite const *node) { |
| 81 // Obtain shader | 91 // Obtain shader |
| 95 } | 105 } |
| 96 | 106 |
| 97 // Draw mesh | 107 // Draw mesh |
| 98 asc_mesh_draw_triangle_strip(&node->mesh); | 108 asc_mesh_draw_triangle_strip(&node->mesh); |
| 99 } | 109 } |
| 110 | |
| 111 void asc_sprite_set_size(AscSceneNode *node, unsigned width, unsigned height) { | |
| 112 AscSprite *sprite = (AscSprite*) node; | |
| 113 sprite->width = width; | |
| 114 sprite->height = height; | |
| 115 asc_node_update(node); | |
| 116 } |
