1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
#include <stdlib.h>
#include <stdio.h>
#include "SDL.h"
#include "sge.h"
int main(int argc, char** argv)
{
/* Init SDL */
if ( SDL_Init(SDL_INIT_TIMER|SDL_INIT_VIDEO) < 0 ) {
fprintf(stderr, "Couldn't load SDL: %s\n", SDL_GetError());
exit(1);
}
/* Clean up on exit */
atexit(SDL_Quit);
/* Set window title */
SDL_WM_SetCaption("Sprite", "sprite");
/* Initialize the display */
SDL_Surface *screen;
screen = SDL_SetVideoMode(640, 400, 16, SDL_SWSURFACE);
if ( screen == NULL ) {
fprintf(stderr, "Couldn't set video mode: %s\n", SDL_GetError());
exit(1);
}
//Allocate some buffers for the sprites
SDL_Surface *img1,*img2, *img3, *img4;
img1=SDL_AllocSurface(SDL_SWSURFACE|SDL_SRCCOLORKEY,80,80,16, 0,0,0,0);
img2=SDL_AllocSurface(SDL_SWSURFACE|SDL_SRCCOLORKEY,80,80,16, 0,0,0,0);
img3=SDL_AllocSurface(SDL_SWSURFACE|SDL_SRCCOLORKEY,80,80,16, 0,0,0,0);
img4=SDL_AllocSurface(SDL_SWSURFACE|SDL_SRCCOLORKEY,80,80,16, 0,0,0,0);
//Sprite 1 - frame 1
sge_ClearSurface(img1,0);
sge_FilledCircle(img1,40,40,39, 150,200,50);
SDL_SetColorKey(img1,SDL_SRCCOLORKEY|SDL_RLEACCEL,0);
//Sprite 2 - frame 1
sge_ClearSurface(img2,0);
sge_FilledCircle(img2,40,40,39, 50,90,210);
SDL_SetColorKey(img2,SDL_SRCCOLORKEY|SDL_RLEACCEL,0);
//Sprite 1 - frame 2
sge_ClearSurface(img3,0);
sge_FilledRect(img3,0,0,80,80, 150,200,50);
//Sprite 1 - frame 3
sge_ClearSurface(img4,0);
sge_FilledRect(img4,0,0,80,80, 50,90,210);
//Init sprite 1
sge_sprite sprite1(screen,img1,100,100);
sprite1.add_frame(img3); //Add frame 2
sprite1.add_frame(img4); //Add frame 3
//sprite1.set_seq(1,3); //Set the playing sequence
sprite1.set_pps(-140, 0); //Set speed
sprite1.set_fps(2); //Set fps
//Init sprite 2
sge_sprite sprite2(screen,img2,100,200);
sprite2.set_pps(350,350);
// If the delay between two PollEvent is greater than 100 and all events are added to the
// event queue, the queue will grow *fast*. You're program will have no change to catch
// up. You *must* try to avoid adding events unnecessarily - mousemotions for example.
SDL_EventState(SDL_MOUSEMOTION,SDL_IGNORE);
sge_Update_OFF();
/* Sets start time */
Uint32 start=SDL_GetTicks();
Uint32 time=start;
int lps=0;
/* Main loop */
SDL_Event event;
int quit=0;
bool upd1,upd2;
do{
//SDL_Delay(1); //Uncomment to see how the sprite class handles delays
time=SDL_GetTicks();
//Calculate sprite data
upd1=sprite1.update(time);
upd2=sprite2.update(time);
if(upd1 || upd2){ //Redraw needed?
sprite1.clear(0); //Clear the prev. drawed
sprite2.clear(0);
sprite1.draw(); //Draw the new
sprite2.draw();
sge_Update_ON();
sprite1.UpdateRects(); //Update the correct area on screen
sprite2.UpdateRects();
sge_Update_OFF();
}
lps++;
/* Check events */
if(SDL_PollEvent(&event)==1){
if(event.type==SDL_KEYDOWN && event.key.keysym.sym==SDLK_ESCAPE){quit=1;}
if(event.type==SDL_QUIT){quit=1;}
}
}while(quit==0);
printf("%d LPS.\n",int((lps*1000.0)/(SDL_GetTicks()-start)));
//Clean upp
SDL_FreeSurface(img1);
SDL_FreeSurface(img2);
SDL_FreeSurface(img3);
SDL_FreeSurface(img4);
return 0;
}
|
