30 |
30 |
31 #include <cx/printf.h> |
31 #include <cx/printf.h> |
32 |
32 |
33 enum Textures2d { |
33 enum Textures2d { |
34 TEX_SHIP = 0, |
34 TEX_SHIP = 0, |
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35 TEX_BACKDROP, |
35 TEX2D_COUNT |
36 TEX2D_COUNT |
36 }; |
37 }; |
37 static AscTexture tex2d[TEX2D_COUNT]; |
38 static AscTexture tex2d[TEX2D_COUNT]; |
38 #define TEXTURE_SHIP &tex2d[TEX_SHIP] |
39 #define TEXTURE_SHIP &tex2d[TEX_SHIP] |
39 |
40 #define TEXTURE_BACKDROP &tex2d[TEX_BACKDROP] |
40 #define MAIN_SCENE asc_window_scene(0) |
41 |
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42 #define BACKDROP_SCENE asc_window_scene(0) |
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43 #define MAIN_SCENE asc_window_scene(1) |
41 |
44 |
42 static void destroy_textures(void *dummy) { |
45 static void destroy_textures(void *dummy) { |
43 asc_texture_destroy(tex2d, TEX2D_COUNT); |
46 asc_texture_destroy(tex2d, TEX2D_COUNT); |
44 } |
47 } |
45 |
48 |
46 static void init_textures(void) { |
49 static void init_textures(void) { |
47 asc_texture_init_2d(tex2d, TEX2D_COUNT); |
50 asc_texture_init_2d(tex2d, TEX2D_COUNT); |
48 asc_texture_from_file(TEXTURE_SHIP, "ship.png"); |
51 asc_texture_from_file(TEXTURE_SHIP, "ship.png"); |
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52 asc_texture_from_file(TEXTURE_BACKDROP, "backdrop.png"); |
49 cxMempoolRegister(asc_active_glctx_mpool, tex2d, destroy_textures); |
53 cxMempoolRegister(asc_active_glctx_mpool, tex2d, destroy_textures); |
50 } |
54 } |
51 |
55 |
52 static void update_fps_counter(AscSceneNode *node) { |
56 static void update_fps_counter(AscSceneNode *node) { |
53 static uint64_t last_fps = 0; |
57 static uint64_t last_fps = 0; |
74 bottom_right.y - scale.height - 10 |
78 bottom_right.y - scale.height - 10 |
75 ); |
79 ); |
76 } |
80 } |
77 } |
81 } |
78 |
82 |
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83 static void scale_backdrop(AscSceneNode *node) { |
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84 // scale the backdrop to the size of the window |
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85 if (asc_active_window->resized) { |
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86 asc_vec2i window_size = asc_active_window->dimensions; |
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87 asc_set_scale2d(node, window_size.width, window_size.height); |
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88 // TODO: implement texture repetition |
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89 } |
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90 } |
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91 |
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92 static void create_backdrop(void) { |
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93 AscSceneNode *node = asc_sprite(.texture = TEXTURE_BACKDROP); |
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94 asc_scene_add_behavior(node, scale_backdrop); |
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95 asc_scene_add_node(BACKDROP_SCENE, node); |
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96 } |
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97 |
79 static void create_fps_counter(void) { |
98 static void create_fps_counter(void) { |
80 asc_font(ASC_FONT_REGULAR, 12); |
99 asc_font(ASC_FONT_REGULAR, 12); |
81 asc_ink_rgba(128, 128, 128, 196); |
100 asc_ink_rgba(224, 224, 224, 196); |
82 AscSceneNode *node = asc_text(); |
101 AscSceneNode *node = asc_text(); |
83 asc_scene_add_behavior(node, update_fps_counter); |
102 asc_scene_add_behavior(node, update_fps_counter); |
84 asc_add_ui_node(node); |
103 asc_add_ui_node(node); |
85 } |
104 } |
86 |
105 |
147 AscWindowSettings settings; |
165 AscWindowSettings settings; |
148 asc_window_settings_init_defaults(&settings); |
166 asc_window_settings_init_defaults(&settings); |
149 settings.title = "Snake"; |
167 settings.title = "Snake"; |
150 asc_window_initialize(0, &settings); |
168 asc_window_initialize(0, &settings); |
151 |
169 |
152 // initialize the main scene (a 500x500 game field) |
170 // load textures |
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171 init_textures(); |
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172 |
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173 // initialize the scenes |
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174 const int game_field_size = 500; |
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175 asc_scene_init(BACKDROP_SCENE, (AscCameraParams) { |
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176 .type = ASC_CAMERA_ORTHO, |
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177 .projection_update_func = asc_camera_ortho_update_size |
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178 }); |
153 asc_scene_init(MAIN_SCENE, (AscCameraParams) { |
179 asc_scene_init(MAIN_SCENE, (AscCameraParams) { |
154 .type = ASC_CAMERA_ORTHO, |
180 .type = ASC_CAMERA_ORTHO, |
155 .ortho.rect = (asc_recti){0, 0, 500, 500}, |
181 .ortho.rect = (asc_recti){0, 0, game_field_size, game_field_size}, |
156 .viewport_update_func = update_viewport_for_window_resize |
182 .viewport_update_func = update_viewport_for_window_resize |
157 }); |
183 }); |
158 |
184 |
159 // load textures |
185 // backdrop for letterbox/pillarbox |
160 init_textures(); |
186 create_backdrop(); |
161 |
187 |
162 // create UI elements |
188 // create UI elements |
163 create_fps_counter(); |
189 create_fps_counter(); |
164 create_score_counter(); |
190 create_score_counter(); |
165 |
191 |