Mercurial > hg > ascension / file comparison

comparison: src/context.c

src/context.c

changeset 253
6ab35fcb8676
parent 214
9d460888a83e
equal deleted inserted replaced
252:42e8695372f7 253:6ab35fcb8676
26 */ 26 */
27 27
28 #include "ascension/context.h" 28 #include "ascension/context.h"
29 #include "ascension/error.h" 29 #include "ascension/error.h"
30 30
31 #include <SDL2/SDL.h> 31 #include <SDL3/SDL.h>
32 #include <SDL2/SDL_ttf.h> 32 #include <SDL3_ttf/SDL_ttf.h>
33 #include <SDL2/SDL_image.h>
34 33
35 #include <GL/glew.h> 34 #include <GL/glew.h>
36 35
37 #include <time.h> 36 #include <time.h>
38 37
72 NULL, 71 NULL,
73 CX_BUFFER_AUTO_EXTEND 72 CX_BUFFER_AUTO_EXTEND
74 ); 73 );
75 74
76 // initialize SDL 75 // initialize SDL
77 const int supported_img_flags = IMG_INIT_PNG | IMG_INIT_JPG; 76 if (!SDL_Init(SDL_INIT_VIDEO)) {
78 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
79 asc_error("Failed to initialize SDL: %s", SDL_GetError()); 77 asc_error("Failed to initialize SDL: %s", SDL_GetError());
80 } else if (TTF_Init() < 0) { 78 } else if (!TTF_Init()) {
81 asc_error("Failed to initialize SDL_ttf: %s", TTF_GetError()); 79 asc_error("Failed to initialize SDL_ttf: %s", SDL_GetError());
82 } else if (IMG_Init(supported_img_flags) != supported_img_flags) {
83 asc_error("Failed to initialize SDL_img: %s", IMG_GetError());
84 } 80 }
85 SDL_ClearError(); 81 SDL_ClearError();
86 asc_context.total_nanos = asc_nanos(); 82 asc_context.total_nanos = asc_nanos();
87 asc_set_flag(asc_context.flags, ASC_FLAG_INITIALIZED); 83 asc_set_flag(asc_context.flags, ASC_FLAG_INITIALIZED);
88 asc_dprintf("Ascension context initialized."); 84 asc_dprintf("Ascension context initialized.");
96 92
97 // destroy the font cache 93 // destroy the font cache
98 asc_font_cache_destroy(); 94 asc_font_cache_destroy();
99 95
100 // quit SDL 96 // quit SDL
101 IMG_Quit();
102 TTF_Quit(); 97 TTF_Quit();
103 SDL_Quit(); 98 SDL_Quit();
104 99
105 // destroy the error buffer 100 // destroy the error buffer
106 cxBufferDestroy(&asc_context.error_buffer); 101 cxBufferDestroy(&asc_context.error_buffer);
139 // reset mouse motion 134 // reset mouse motion
140 asc_context.input.mouse_xrel = 0; 135 asc_context.input.mouse_xrel = 0;
141 asc_context.input.mouse_yrel = 0; 136 asc_context.input.mouse_yrel = 0;
142 137
143 // reset key flags 138 // reset key flags
144 for (unsigned int i = 0 ; i < SDL_NUM_SCANCODES ; i++) { 139 for (unsigned int i = 0 ; i < SDL_SCANCODE_COUNT ; i++) {
145 asc_clear_flag(asc_context.input.keys[i], ASC_KEY_RELEASE_FLAG|ASC_KEY_PRESS_FLAG); 140 asc_clear_flag(asc_context.input.keys[i], ASC_KEY_RELEASE_FLAG|ASC_KEY_PRESS_FLAG);
146 } 141 }
147 142
148 // dispatch SDL events 143 // dispatch SDL events
149 SDL_Event event; 144 SDL_Event event;
150 while (SDL_PollEvent(&event)) { 145 while (SDL_PollEvent(&event)) {
151 switch (event.type) { 146 switch (event.type) {
152 case SDL_QUIT: 147 case SDL_EVENT_QUIT:
153 asc_set_flag(asc_context.flags, ASC_FLAG_QUIT); 148 asc_set_flag(asc_context.flags, ASC_FLAG_QUIT);
154 break; 149 break;
155 case SDL_WINDOWEVENT: { 150 case SDL_EVENT_WINDOW_RESIZED: {
156 if (event.window.event == SDL_WINDOWEVENT_RESIZED) { 151 asc_event_window_resized(
157 asc_event_window_resized( 152 event.window.windowID,
158 event.window.windowID, 153 event.window.data1,
159 event.window.data1, 154 event.window.data2
160 event.window.data2 155 );
161 ); 156 break;
162 } else if (event.window.event == SDL_WINDOWEVENT_FOCUS_GAINED) { 157 }
163 unsigned int idx = asc_window_index(event.window.windowID); 158 case SDL_EVENT_WINDOW_FOCUS_GAINED: {
164 asc_context.windows[idx].focused = true; 159 unsigned int idx = asc_window_index(event.window.windowID);
165 } else if (event.window.event == SDL_WINDOWEVENT_FOCUS_LOST) { 160 asc_context.windows[idx].focused = true;
166 unsigned int idx = asc_window_index(event.window.windowID); 161 break;
167 asc_context.windows[idx].focused = false; 162 }
168 } 163 case SDL_EVENT_WINDOW_FOCUS_LOST: {
169 break; 164 unsigned int idx = asc_window_index(event.window.windowID);
170 } 165 asc_context.windows[idx].focused = false;
171 case SDL_MOUSEMOTION: { 166 break;
167 }
168 case SDL_EVENT_MOUSE_MOTION: {
172 // accumulate relative motion 169 // accumulate relative motion
173 asc_context.input.mouse_xrel += event.motion.xrel; 170 asc_context.input.mouse_xrel += event.motion.xrel;
174 asc_context.input.mouse_yrel += event.motion.yrel; 171 asc_context.input.mouse_yrel += event.motion.yrel;
175 // update absolute position 172 // update absolute position
176 asc_context.input.mouse_x = event.motion.x; 173 asc_context.input.mouse_x = event.motion.x;
178 // update which window the mouse was seen in 175 // update which window the mouse was seen in
179 asc_context.input.mouse_window = 176 asc_context.input.mouse_window =
180 asc_window_index(event.motion.windowID); 177 asc_window_index(event.motion.windowID);
181 break; 178 break;
182 } 179 }
183 case SDL_KEYDOWN: 180 case SDL_EVENT_KEY_DOWN:
184 // we only set the down and press flags if the key is not already known to be down 181 // we only set the down and press flags if the key is not already known to be down
185 if (asc_key_up(event.key.keysym.scancode)) { 182 if (asc_key_up(event.key.scancode)) {
186 asc_context.input.keys[event.key.keysym.scancode] = ASC_KEY_DOWN_FLAG|ASC_KEY_PRESS_FLAG; 183 asc_context.input.keys[event.key.scancode] = ASC_KEY_DOWN_FLAG|ASC_KEY_PRESS_FLAG;
187 } 184 }
188 break; 185 break;
189 case SDL_KEYUP: 186 case SDL_EVENT_KEY_UP:
190 // we can directly set the release flag - it will be cleared next round 187 // we can directly set the release flag - it will be cleared next round
191 asc_context.input.keys[event.key.keysym.scancode] = ASC_KEY_RELEASE_FLAG; 188 asc_context.input.keys[event.key.scancode] = ASC_KEY_RELEASE_FLAG;
192 break; 189 break;
193 } 190 }
194 } 191 }
195 192
196 // compute frame time 193 // compute frame time

Mercurial Repository: ascension

mercurial