comparison: src/sprite.c
src/sprite.c
- changeset 88
- 6234b7ea48f3
- parent 82
- 4e1e698f4b0d
- child 89
- e1f682a8a145
equal
deleted
inserted
replaced
| 87:874a02a683c5 | 88:6234b7ea48f3 |
|---|---|
| 30 #include "ascension/context.h" | 30 #include "ascension/context.h" |
| 31 #include "ascension/glcontext.h" | 31 #include "ascension/glcontext.h" |
| 32 | 32 |
| 33 #include <GL/glew.h> | 33 #include <GL/glew.h> |
| 34 | 34 |
| 35 static void asc_sprite_free(AscSceneNode *node) { | |
| 36 free(node); | |
| 37 } | |
| 38 | |
| 39 AscSceneNode *asc_sprite_create(struct asc_sprite_create_args args) { | |
| 40 AscSprite *sprite = calloc(1, sizeof(AscSprite)); | |
| 41 | |
| 42 // special sprite parameters | |
| 43 sprite->tex = args.texture; | |
| 44 | |
| 45 // basic node parameters | |
| 46 AscSceneNode *node = (AscSceneNode *) sprite; | |
| 47 node->render_group = args.opaque | |
| 48 ? ASC_RENDER_GROUP_SPRITE_OPAQUE | |
| 49 : ASC_RENDER_GROUP_SPRITE_BLEND; | |
| 50 node->free_func = asc_sprite_free; | |
| 51 | |
| 52 node->position.x = (float) args.x; | |
| 53 node->position.y = (float) args.y; | |
| 54 | |
| 55 node->scale.x = (float) (args.width == 0 ? args.texture.width : args.width); | |
| 56 node->scale.y = (float) (args.height == 0 ? args.texture.height : args.height); | |
| 57 | |
| 58 return node; | |
| 59 } | |
| 60 | |
| 35 void asc_sprite_draw(AscSprite const *node) { | 61 void asc_sprite_draw(AscSprite const *node) { |
| 36 // Obtain shader | 62 // Obtain shader |
| 37 AscShaderSprite *shader = ASC_SHADER_SPRITE; | 63 AscShaderSprite *shader = &ASC_DEFAULT_SHADER.sprite; |
| 38 | 64 |
| 39 // Upload model matrix | 65 // Upload model matrix |
| 40 glUniformMatrix4fv(shader->program.model, 1, | 66 glUniformMatrix4fv(shader->program.model, 1, |
| 41 GL_FALSE, node->data.world_transform); | 67 GL_FALSE, node->data.world_transform); |
| 42 | 68 |
| 43 // Bind texture | 69 // Bind texture |
| 44 asc_texture_bind(&node->tex, shader->tex, 0); | 70 if (node->tex.target == GL_TEXTURE_RECTANGLE) { |
| 71 asc_texture_bind(&node->tex, shader->rect_tex, 0); | |
| 72 asc_texture_bind(&ASC_DEFAULT_TEXTURES.empty_1x1_2d, shader->uv_tex, 1); | |
| 73 } else { | |
| 74 asc_texture_bind(&ASC_DEFAULT_TEXTURES.empty_1x1_rect, shader->rect_tex, 0); | |
| 75 asc_texture_bind(&node->tex, shader->uv_tex, 1); | |
| 76 } | |
| 45 | 77 |
| 46 // Apply depth | 78 // Apply depth |
| 47 glUniform1f(shader->depth, (float)(node->data.depth)); | 79 glUniform1f(shader->depth, (float)(node->data.depth)); |
| 48 | 80 |
| 49 // Draw mesh | 81 // Draw mesh |
| 50 asc_mesh_draw_triangle_strip(ASC_PRIMITIVES_PLANE); | 82 asc_mesh_draw_triangle_strip(&ASC_PRIMITIVES.plane); |
| 51 } | 83 } |
