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author3gg <3gg@shellblade.net>2024-01-19 07:21:45 -0800
committer3gg <3gg@shellblade.net>2024-01-19 07:21:45 -0800
commit4212e57d06afac8a19b09fdebc24bad10b78f1ac (patch)
tree322b2e5cc2764ebd1855565bb8d871d9df33d704 /gltfview/src/plugins/texture_view.c
parentfc883e0b0449509ba2e1c5d14d187feee098ab34 (diff)
Plugin refactor, moving scene from game to plugin.
Diffstat (limited to 'gltfview/src/plugins/texture_view.c')
-rw-r--r--gltfview/src/plugins/texture_view.c91
1 files changed, 82 insertions, 9 deletions
diff --git a/gltfview/src/plugins/texture_view.c b/gltfview/src/plugins/texture_view.c
index f16c8d1..b424158 100644
--- a/gltfview/src/plugins/texture_view.c
+++ b/gltfview/src/plugins/texture_view.c
@@ -1,6 +1,7 @@
1#include "texture_view.h" 1#include "plugin.h"
2 2
3#include <gfx/render_backend.h> 3#include <gfx/render_backend.h>
4#include <gfx/renderer.h>
4#include <gfx/scene.h> 5#include <gfx/scene.h>
5#include <gfx/util/geometry.h> 6#include <gfx/util/geometry.h>
6#include <gfx/util/shader.h> 7#include <gfx/util/shader.h>
@@ -9,13 +10,25 @@
9#include <math/camera.h> 10#include <math/camera.h>
10 11
11#include <assert.h> 12#include <assert.h>
13#include <stdlib.h>
12 14
13// Default texture to load if no texture is provided. 15// Default texture to load if no texture is provided.
14static const char* DEFAULT_TEXTURE = "/assets/skybox/clouds1/clouds1_west.bmp"; 16static const char* DEFAULT_TEXTURE = "/assets/skybox/clouds1/clouds1_west.bmp";
15// static const char* DEFAULT_TEXTURE = "/assets/checkerboard.jpg"; 17// static const char* DEFAULT_TEXTURE = "/assets/checkerboard.jpg";
16 18
17bool boot(State* state, Game* game) { 19struct State {
20 Scene* scene;
21 SceneCamera* camera;
22};
23
24bool init(Game* game, State** pp_state) {
18 assert(game); 25 assert(game);
26 assert(pp_state);
27
28 State* state = calloc(1, sizeof(State));
29 if (!state) {
30 goto cleanup;
31 }
19 32
20 // Usage: [texture file] 33 // Usage: [texture file]
21 const char* texture_file = game->argc > 1 ? game->argv[1] : DEFAULT_TEXTURE; 34 const char* texture_file = game->argc > 1 ? game->argv[1] : DEFAULT_TEXTURE;
@@ -30,17 +43,17 @@ bool boot(State* state, Game* game) {
30 .mipmaps = false, 43 .mipmaps = false,
31 .data.texture.filepath = mstring_make(texture_file)}); 44 .data.texture.filepath = mstring_make(texture_file)});
32 if (!texture) { 45 if (!texture) {
33 return false; 46 goto cleanup;
34 } 47 }
35 48
36 ShaderProgram* shader = gfx_make_view_texture_shader(render_backend); 49 ShaderProgram* shader = gfx_make_view_texture_shader(render_backend);
37 if (!shader) { 50 if (!shader) {
38 return false; 51 goto cleanup;
39 } 52 }
40 53
41 Geometry* geometry = gfx_make_quad_11(render_backend); 54 Geometry* geometry = gfx_make_quad_11(render_backend);
42 if (!geometry) { 55 if (!geometry) {
43 return false; 56 goto cleanup;
44 } 57 }
45 58
46 MaterialDesc material_desc = (MaterialDesc){.num_uniforms = 1}; 59 MaterialDesc material_desc = (MaterialDesc){.num_uniforms = 1};
@@ -50,25 +63,85 @@ bool boot(State* state, Game* game) {
50 .name = sstring_make("Texture")}; 63 .name = sstring_make("Texture")};
51 Material* material = gfx_make_material(&material_desc); 64 Material* material = gfx_make_material(&material_desc);
52 if (!material) { 65 if (!material) {
53 return false; 66 goto cleanup;
54 } 67 }
55 68
56 const MeshDesc mesh_desc = 69 const MeshDesc mesh_desc =
57 (MeshDesc){.geometry = geometry, .material = material, .shader = shader}; 70 (MeshDesc){.geometry = geometry, .material = material, .shader = shader};
58 Mesh* mesh = gfx_make_mesh(&mesh_desc); 71 Mesh* mesh = gfx_make_mesh(&mesh_desc);
59 if (!mesh) { 72 if (!mesh) {
60 return false; 73 goto cleanup;
61 } 74 }
62 75
63 SceneObject* object = gfx_make_object(); 76 SceneObject* object = gfx_make_object();
64 if (!object) { 77 if (!object) {
65 return false; 78 goto cleanup;
66 } 79 }
67 gfx_add_object_mesh(object, mesh); 80 gfx_add_object_mesh(object, mesh);
68 81
82 if (!(state->scene = gfx_make_scene())) {
83 goto cleanup;
84 }
85
69 SceneNode* node = gfx_make_object_node(object); 86 SceneNode* node = gfx_make_object_node(object);
70 SceneNode* root = gfx_get_scene_root(game->scene); 87 if (!node) {
88 goto cleanup;
89 }
90 SceneNode* root = gfx_get_scene_root(state->scene);
91 if (!root) {
92 goto cleanup;
93 }
71 gfx_set_node_parent(node, root); 94 gfx_set_node_parent(node, root);
72 95
96 if (!(state->camera = gfx_make_camera())) {
97 goto cleanup;
98 }
99
100 *pp_state = state;
73 return true; 101 return true;
102
103cleanup:
104 shutdown(game, state);
105 if (state) {
106 free(state);
107 }
108 return false;
109}
110
111void shutdown(Game* game, State* state) {
112 assert(game);
113 if (state) {
114 gfx_destroy_camera(&state->camera);
115 gfx_destroy_scene(&state->scene);
116 // State freed by plugin engine.
117 }
118}
119
120void render(const Game* game, const State* state) {
121 assert(game);
122 assert(state);
123
124 Renderer* renderer = gfx_get_renderer(game->gfx);
125 gfx_render_scene(
126 renderer, &(RenderSceneParams){
127 .mode = RenderDefault,
128 .scene = state->scene,
129 .camera = state->camera});
130}
131
132void resize(Game* game, State* state, int width, int height) {
133 assert(game);
134 assert(state);
135
136 RenderBackend* render_backend = gfx_get_render_backend(game->gfx);
137 gfx_set_viewport(render_backend, width, height);
138
139 const R fovy = 90 * TO_RAD;
140 const R aspect = (R)width / (R)height;
141 const R near = 0.1;
142 const R far = 1000;
143 const mat4 projection = mat4_perspective(fovy, aspect, near, far);
144
145 Camera* camera = gfx_get_camera_camera(state->camera);
146 camera->projection = projection;
74} 147}