diff options
Diffstat (limited to 'gfx-iso/src/app.c')
-rw-r--r-- | gfx-iso/src/app.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/gfx-iso/src/app.c b/gfx-iso/src/app.c deleted file mode 100644 index 2f2241f..0000000 --- a/gfx-iso/src/app.c +++ /dev/null | |||
@@ -1,196 +0,0 @@ | |||
1 | #include <isogfx/app.h> | ||
2 | #include <isogfx/isogfx.h> | ||
3 | |||
4 | #include <gfx/app.h> | ||
5 | #include <gfx/core.h> | ||
6 | #include <gfx/gfx.h> | ||
7 | #include <gfx/renderer.h> | ||
8 | #include <gfx/scene.h> | ||
9 | #include <gfx/util/geometry.h> | ||
10 | #include <gfx/util/shader.h> | ||
11 | |||
12 | #include <assert.h> | ||
13 | #include <stdbool.h> | ||
14 | #include <stdlib.h> | ||
15 | |||
16 | static const int WINDOW_WIDTH = 1408; | ||
17 | static const int WINDOW_HEIGHT = 960; | ||
18 | static const int MAX_FPS = 60; | ||
19 | |||
20 | typedef struct AppState { | ||
21 | Gfx* gfx; | ||
22 | IsoGfx* iso; | ||
23 | IsoGfxApp* app; | ||
24 | Texture* screen_texture; | ||
25 | Scene* scene; | ||
26 | } AppState; | ||
27 | |||
28 | typedef struct GfxAppState { | ||
29 | AppState state; | ||
30 | } GfxAppState; | ||
31 | |||
32 | static bool init(GfxAppState* gfx_app_state, int argc, const char** argv) { | ||
33 | assert(gfx_app_state); | ||
34 | AppState* state = &gfx_app_state->state; | ||
35 | |||
36 | IsoGfxApp* app = state->app; | ||
37 | |||
38 | // Virtual screen dimensions. | ||
39 | const int scale = app->pixel_scale == 0 ? 1 : app->pixel_scale; | ||
40 | const int screen_width = WINDOW_WIDTH / scale; | ||
41 | const int screen_height = WINDOW_HEIGHT / scale; | ||
42 | |||
43 | if (!(state->iso = isogfx_new(&(IsoGfxDesc){ | ||
44 | .screen_width = screen_width, .screen_height = screen_height}))) { | ||
45 | goto cleanup; | ||
46 | } | ||
47 | |||
48 | if (!(*app->init)(app->state, state->iso, argc, argv)) { | ||
49 | goto cleanup; | ||
50 | } | ||
51 | |||
52 | isogfx_resize(state->iso, screen_width, screen_height); | ||
53 | |||
54 | if (!(state->gfx = gfx_init())) { | ||
55 | goto cleanup; | ||
56 | } | ||
57 | GfxCore* gfxcore = gfx_get_core(state->gfx); | ||
58 | |||
59 | if (!(state->screen_texture = gfx_make_texture( | ||
60 | gfxcore, &(TextureDesc){ | ||
61 | .width = screen_width, | ||
62 | .height = screen_height, | ||
63 | .dimension = Texture2D, | ||
64 | .format = TextureSRGBA8, | ||
65 | .filtering = NearestFiltering, | ||
66 | .wrap = ClampToEdge, | ||
67 | .mipmaps = false}))) { | ||
68 | goto cleanup; | ||
69 | } | ||
70 | |||
71 | ShaderProgram* shader = gfx_make_view_texture_shader(gfxcore); | ||
72 | if (!shader) { | ||
73 | goto cleanup; | ||
74 | } | ||
75 | |||
76 | Geometry* geometry = gfx_make_quad_11(gfxcore); | ||
77 | if (!geometry) { | ||
78 | goto cleanup; | ||
79 | } | ||
80 | |||
81 | MaterialDesc material_desc = (MaterialDesc){.num_uniforms = 1}; | ||
82 | material_desc.uniforms[0] = (ShaderUniform){ | ||
83 | .type = UniformTexture, | ||
84 | .value.texture = state->screen_texture, | ||
85 | .name = sstring_make("Texture")}; | ||
86 | Material* material = gfx_make_material(&material_desc); | ||
87 | if (!material) { | ||
88 | return false; | ||
89 | } | ||
90 | |||
91 | const MeshDesc mesh_desc = | ||
92 | (MeshDesc){.geometry = geometry, .material = material, .shader = shader}; | ||
93 | Mesh* mesh = gfx_make_mesh(&mesh_desc); | ||
94 | if (!mesh) { | ||
95 | goto cleanup; | ||
96 | } | ||
97 | |||
98 | SceneObject* object = | ||
99 | gfx_make_object(&(ObjectDesc){.num_meshes = 1, .meshes = {mesh}}); | ||
100 | if (!object) { | ||
101 | goto cleanup; | ||
102 | } | ||
103 | |||
104 | state->scene = gfx_make_scene(); | ||
105 | SceneNode* node = gfx_make_object_node(object); | ||
106 | SceneNode* root = gfx_get_scene_root(state->scene); | ||
107 | gfx_set_node_parent(node, root); | ||
108 | |||
109 | return true; | ||
110 | |||
111 | cleanup: | ||
112 | if (state->gfx) { | ||
113 | gfx_destroy(&state->gfx); | ||
114 | } | ||
115 | free(state); | ||
116 | return false; | ||
117 | } | ||
118 | |||
119 | static void shutdown(GfxAppState* gfx_app_state) { | ||
120 | assert(gfx_app_state); | ||
121 | AppState* state = &gfx_app_state->state; | ||
122 | |||
123 | if (state->app) { | ||
124 | assert(state->iso); | ||
125 | (*state->app->shutdown)(state->app->state, state->iso); | ||
126 | } | ||
127 | |||
128 | isogfx_del(&state->iso); | ||
129 | gfx_destroy(&state->gfx); | ||
130 | } | ||
131 | |||
132 | static void update(GfxAppState* gfx_app_state, double t, double dt) { | ||
133 | assert(gfx_app_state); | ||
134 | AppState* state = &gfx_app_state->state; | ||
135 | |||
136 | isogfx_update(state->iso, t); | ||
137 | |||
138 | assert(state->app->update); | ||
139 | (*state->app->update)(state->app->state, state->iso, t, dt); | ||
140 | } | ||
141 | |||
142 | static void render(GfxAppState* gfx_app_state) { | ||
143 | assert(gfx_app_state); | ||
144 | AppState* state = &gfx_app_state->state; | ||
145 | |||
146 | assert(state->app->render); | ||
147 | (*state->app->render)(state->app->state, state->iso); | ||
148 | |||
149 | const Pixel* screen = isogfx_get_screen_buffer(state->iso); | ||
150 | assert(screen); | ||
151 | gfx_update_texture( | ||
152 | state->screen_texture, &(TextureDataDesc){.pixels = screen}); | ||
153 | |||
154 | GfxCore* gfxcore = gfx_get_core(state->gfx); | ||
155 | Renderer* renderer = gfx_get_renderer(state->gfx); | ||
156 | |||
157 | // TODO: Prevent stretching of the virtual screen onto the window; preserve | ||
158 | // aspect ratio. | ||
159 | gfx_start_frame(gfxcore); | ||
160 | gfx_render_scene( | ||
161 | renderer, &(RenderSceneParams){ | ||
162 | .mode = RenderDefault, .scene = state->scene, .camera = 0}); | ||
163 | gfx_end_frame(gfxcore); | ||
164 | } | ||
165 | |||
166 | static void resize(GfxAppState* gfx_app_state, int width, int height) { | ||
167 | assert(gfx_app_state); | ||
168 | AppState* state = &gfx_app_state->state; | ||
169 | |||
170 | GfxCore* gfxcore = gfx_get_core(state->gfx); | ||
171 | gfx_set_viewport(gfxcore, width, height); | ||
172 | } | ||
173 | |||
174 | void iso_run(int argc, const char** argv, IsoGfxApp* app) { | ||
175 | GfxAppState app_state = { | ||
176 | .state = (AppState){ | ||
177 | .app = app, | ||
178 | } | ||
179 | }; | ||
180 | gfx_app_run( | ||
181 | &(GfxAppDesc){ | ||
182 | .argc = argc, | ||
183 | .argv = argv, | ||
184 | .width = WINDOW_WIDTH, | ||
185 | .height = WINDOW_HEIGHT, | ||
186 | .max_fps = MAX_FPS, | ||
187 | .update_delta_time = MAX_FPS > 0 ? 1.0 / (double)MAX_FPS : 0.0, | ||
188 | .title = "Isometric Renderer", | ||
189 | .app_state = &app_state}, | ||
190 | &(GfxAppCallbacks){ | ||
191 | .init = init, | ||
192 | .update = update, | ||
193 | .render = render, | ||
194 | .resize = resize, | ||
195 | .shutdown = shutdown}); | ||
196 | } | ||