1#include <stdio.h>
2#include <allegro5/allegro.h>
3#include <allegro5/allegro_image.h>
4#include <allegro5/allegro_primitives.h>
5#include <allegro5/allegro_font.h>
6#include <allegro5/allegro_ttf.h>
7#include <allegro5/allegro_audio.h>
8#include <allegro5/allegro_acodec.h>
9
10// The display for graphics...
11ALLEGRO_DISPLAY * g_pDisplay
= NULL
;
12
13// The event queue
14ALLEGRO_EVENT_QUEUE * g_pEventQueue
= NULL
;
15
16// Global Path
17ALLEGRO_PATH
* g_pPath
= NULL
;
18
19// a font for text
20ALLEGRO_FONT * g_pFont
;
21
22
23
24// Other Globals
25bool g_blQuit
= false;
26bool g_blRedraw
= false;
27bool g_blGameRunning
= true;
28double g_nCyclesPerSecond
= 60;
29ALLEGRO_COLOR g_clBLACK
;
30
31int g_nScreenWidth
;
32int g_nScreenHeight
;
33
34ALLEGRO_TIMER * g_pTimer
=0;
35
36//Forward functions
37void get_desktop_resolution(int a_nAdapter,
int *a_pWidth,
int * a_pHeighth
);
38
39// Setup Allegro
40bool Setup
()
41{
42 if(al_init())
43 {
44
45#ifdef _DEBUG
46 g_nScreenWidth
= 800;
47 g_nScreenHeight
= 600;
48#else
49 get_desktop_resolution(0,
&g_nScreenWidth,
&g_nScreenHeight
);
50 al_set_new_display_flags(ALLEGRO_FULLSCREEN
);
51#endif
52
53 al_set_new_display_option(ALLEGRO_VSYNC,
1, ALLEGRO_SUGGEST
);
54 g_pDisplay
= al_create_display(g_nScreenWidth, g_nScreenHeight
);
55 if (g_pDisplay
!= NULL
)
56 {
57 // Install allegro modules
58 al_init_primitives_addon();
59 al_init_image_addon();
60 //al_init_font_addon();
61 //al_init_ttf_addon();
62 al_install_keyboard();
63 al_install_mouse();
64 //al_install_audio();
65 al_init_acodec_addon();
66
67
68 g_pTimer
=al_create_timer(1.
000/g_nCyclesPerSecond
);
69
70 // install event queue
71 g_pEventQueue
= al_create_event_queue();
72 al_register_event_source(g_pEventQueue,
al_get_keyboard_event_source());
73 al_register_event_source(g_pEventQueue,
al_get_mouse_event_source());
74 al_register_event_source(g_pEventQueue,
al_get_display_event_source(g_pDisplay
));
75 al_register_event_source(g_pEventQueue,
al_get_timer_event_source(g_pTimer
));
76
77
78 // switch to correct path
79 g_pPath
= al_get_standard_path(ALLEGRO_RESOURCES_PATH
);
80 _chdir
(al_path_cstr(g_pPath,
'\\'));
81
82
83 g_clBLACK
= al_map_rgb(0,
0,
0);
84 // set quit to false
85 g_blQuit
= false;
86 al_hide_mouse_cursor(g_pDisplay
);
87 al_start_timer(g_pTimer
);
88 }
89 else
90 {
91 return false;
92 }
93 }
94 else
95 {
96 return false;
97 }
98
99 return true;
100}
101
102void get_desktop_resolution(int a_nAdapter,
int *a_pWidth,
int * a_pHeighth
)
103{
104 ALLEGRO_MONITOR_INFO info
;
105 al_get_monitor_info(a_nAdapter,
&info
);
106
107 *a_pWidth
= info.x2
- info.x1
;
108 *a_pHeighth
= info.y2
- info.y1
;
109}
110
111
112// Shutdown Allegro
113void ShutDown
()
114{
115 al_destroy_event_queue(g_pEventQueue
);
116 al_destroy_timer(g_pTimer
);
117 al_destroy_display(g_pDisplay
);
118 //al_destroy_font(g_pFont);
119 al_destroy_path(g_pPath
);
120 al_uninstall_system();
121}
122
123
124// Render the view
125void Render
()
126{
127 al_clear_to_color(m_clBLACK
);
128
129 if (g_blGameRunning
)
130 {
131
132 }
133
134 al_flip_display();
135}
136
137
138void GameCycle
()
139{
140
141
142}
143
144
145
146void KeyDown
(int a_nKey
)
147{
148
149 switch(a_nKey
)
150 {
151 case ALLEGRO_KEY_F1:
152 al_hide_mouse_cursor(g_pDisplay
);
153 break;
154
155 case ALLEGRO_KEY_F2:
156 al_show_mouse_cursor(g_pDisplay
);
157 break;
158 }
159
160}
161
162void KeyUp
(int a_nKey
)
163{
164 switch(a_nKey
)
165 {
166 case ALLEGRO_KEY_ESCAPE:
167 g_blQuit
= true;
168 break;
169 }
170
171}
172
173void Mouse
(ALLEGRO_MOUSE_EVENT
* mouse_event
)
174{
175
176}
177
178
179void Timer
(ALLEGRO_TIMER_EVENT
* timer_event
)
180{
181 if (g_blGameRunning
)
182 {
183 GameCycle
();
184 }
185 else
186 {
187
188
189 }
190}
191
192
193int main
(int argc,
char **argv
)
194{
195 if (Setup
())
196 {
197 while (!g_blQuit
)
198 {
199 ALLEGRO_EVENT ev
;
200 if (al_get_next_event(g_pEventQueue,
&ev
))
201 {
202
203 switch (ev.type
)
204 {
205 case ALLEGRO_EVENT_KEY_DOWN:
206 KeyDown
(ev.keyboard.keycode
);
207 break;
208 case ALLEGRO_EVENT_KEY_UP:
209 KeyUp
(ev.keyboard.keycode
);
210 break;
211
212 case ALLEGRO_EVENT_DISPLAY_CLOSE:
213 g_blQuit
= true;
214 break;
215
216 case ALLEGRO_EVENT_MOUSE_AXES:
217 Mouse
(&ev.mouse
);
218 break;
219
220 case ALLEGRO_EVENT_TIMER:
221 Timer
(&ev.timer
);
222 break;
223
224 }
225
226 }
227 else
228 {
229 Render
();
230
231 }
232 }
233 }
234 else
235 {
236 return -1;
237 }
238 ShutDown
();
239 return 0;
240}