sdl-ios-xcode: test/testalpha.c annotate

annotate test/testalpha.c @ 3070:3e3724fb829e

Fixed bug #681 Description From Philipp 2009-01-16 20:50:01 (-) [reply] The File test/README from the svn says this: testgl A very simple example of using OpenGL with SDL testgl2 Improved version of testgl It is actually exchanged. testgl.c is the improved version right now and testgl2.c the simple one.

author	Sam Lantinga <slouken@libsdl.org>
date	Tue, 17 Feb 2009 05:44:49 +0000
parents	cf271ff76061
children	f8816ffa210b

rev	line source
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2 /* Simple program: Fill a colormap with gray and stripe it down the screen,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	3 Then move an alpha valued sprite around the screen.
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	4 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	5
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	6 #include <stdio.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	7 #include <stdlib.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	8 #include <string.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	9 #include <math.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	10
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	11 #include "SDL.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	12
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	13 #define FRAME_TICKS (1000/30) /* 30 frames/second */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	14
1151 be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe Ryan C. Gordon <icculus@icculus.org> parents: 886 diff changeset	15 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	16 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	17 quit(int rc)
1151 be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe Ryan C. Gordon <icculus@icculus.org> parents: 886 diff changeset	18 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	19 SDL_Quit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	20 exit(rc);
1151 be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe Ryan C. Gordon <icculus@icculus.org> parents: 886 diff changeset	21 }
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe Ryan C. Gordon <icculus@icculus.org> parents: 886 diff changeset	22
1293 23b1ef7d003b Added some useful command line arguments for testing Sam Lantinga <slouken@libsdl.org> parents: 1152 diff changeset	23 /* Fill the screen with a gradient */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	24 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	25 FillBackground(SDL_Surface * screen)
1293 23b1ef7d003b Added some useful command line arguments for testing Sam Lantinga <slouken@libsdl.org> parents: 1152 diff changeset	26 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	27 Uint8 *buffer;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	28 Uint8 gradient;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	29 int i, k;
1293 23b1ef7d003b Added some useful command line arguments for testing Sam Lantinga <slouken@libsdl.org> parents: 1152 diff changeset	30
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	31 /* Set the surface pixels and refresh! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	32 if (SDL_LockSurface(screen) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	33 fprintf(stderr, "Couldn't lock the display surface: %s\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	34 SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	35 quit(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	36 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	37 buffer = (Uint8 *) screen->pixels;
2799 bbf3aac2672a Again, map the color with the alpha channel filled in. Sam Lantinga <slouken@libsdl.org> parents: 2797 diff changeset	38 switch (screen->format->BytesPerPixel) {
2806 938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	39 case 1:
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	40 case 3:
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	41 for (i = 0; i < screen->h; ++i) {
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	42 memset(buffer, (i * 255) / screen->h,
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	43 screen->w * screen->format->BytesPerPixel);
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	44 buffer += screen->pitch;
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	45 }
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	46 break;
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	47 case 2:
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	48 for (i = 0; i < screen->h; ++i) {
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	49 Uint16 *buffer16;
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	50 Uint16 color;
2799 bbf3aac2672a Again, map the color with the alpha channel filled in. Sam Lantinga <slouken@libsdl.org> parents: 2797 diff changeset	51
2806 938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	52 gradient = ((i * 255) / screen->h);
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	53 color = (Uint16) SDL_MapRGB(screen->format,
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	54 gradient, gradient, gradient);
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	55 buffer16 = (Uint16 *) buffer;
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	56 for (k = 0; k < screen->w; k++) {
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	57 *buffer16++ = color;
2799 bbf3aac2672a Again, map the color with the alpha channel filled in. Sam Lantinga <slouken@libsdl.org> parents: 2797 diff changeset	58 }
2806 938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	59 buffer += screen->pitch;
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	60 }
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	61 break;
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	62 case 4:
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	63 for (i = 0; i < screen->h; ++i) {
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	64 Uint32 *buffer32;
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	65 Uint32 color;
2799 bbf3aac2672a Again, map the color with the alpha channel filled in. Sam Lantinga <slouken@libsdl.org> parents: 2797 diff changeset	66
2806 938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	67 gradient = ((i * 255) / screen->h);
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	68 color = SDL_MapRGB(screen->format, gradient, gradient, gradient);
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	69 buffer32 = (Uint32 *) buffer;
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	70 for (k = 0; k < screen->w; k++) {
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	71 *buffer32++ = color;
2799 bbf3aac2672a Again, map the color with the alpha channel filled in. Sam Lantinga <slouken@libsdl.org> parents: 2797 diff changeset	72 }
2806 938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	73 buffer += screen->pitch;
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	74 }
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	75 break;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	76 }
1293 23b1ef7d003b Added some useful command line arguments for testing Sam Lantinga <slouken@libsdl.org> parents: 1152 diff changeset	77
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	78 SDL_UnlockSurface(screen);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	79 SDL_UpdateRect(screen, 0, 0, 0, 0);
1293 23b1ef7d003b Added some useful command line arguments for testing Sam Lantinga <slouken@libsdl.org> parents: 1152 diff changeset	80 }
1151 be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe Ryan C. Gordon <icculus@icculus.org> parents: 886 diff changeset	81
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	82 /* Create a "light" -- a yellowish surface with variable alpha */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	83 SDL_Surface *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	84 CreateLight(int radius)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	85 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	86 Uint8 trans, alphamask;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	87 int range, addition;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	88 int xdist, ydist;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	89 Uint16 x, y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	90 Uint16 skip;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	91 Uint32 pixel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	92 SDL_Surface *light;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	93
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	94 #ifdef LIGHT_16BIT
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	95 Uint16 *buf;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	96
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	97 /* Create a 16 (4/4/4/4) bpp square with a full 4-bit alpha channel */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	98 /* Note: this isn't any faster than a 32 bit alpha surface */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	99 alphamask = 0x0000000F;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	100 light = SDL_CreateRGBSurface(SDL_SWSURFACE, 2 * radius, 2 * radius, 16,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	101 0x0000F000, 0x00000F00, 0x000000F0,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	102 alphamask);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	103 #else
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	104 Uint32 *buf;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	105
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	106 /* Create a 32 (8/8/8/8) bpp square with a full 8-bit alpha channel */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	107 alphamask = 0x000000FF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	108 light = SDL_CreateRGBSurface(SDL_SWSURFACE, 2 * radius, 2 * radius, 32,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	109 0xFF000000, 0x00FF0000, 0x0000FF00,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	110 alphamask);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	111 if (light == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	112 fprintf(stderr, "Couldn't create light: %s\n", SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	113 return (NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	114 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	115 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	116
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	117 /* Fill with a light yellow-orange color */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	118 skip = light->pitch - (light->w * light->format->BytesPerPixel);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	119 #ifdef LIGHT_16BIT
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	120 buf = (Uint16 *) light->pixels;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	121 #else
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	122 buf = (Uint32 *) light->pixels;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	123 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	124 /* Get a tranparent pixel value - we'll add alpha later */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	125 pixel = SDL_MapRGBA(light->format, 0xFF, 0xDD, 0x88, 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	126 for (y = 0; y < light->h; ++y) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	127 for (x = 0; x < light->w; ++x) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	128 *buf++ = pixel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	129 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	130 buf += skip; /* Almost always 0, but just in case... */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	131 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	132
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	133 /* Calculate alpha values for the surface. */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	134 #ifdef LIGHT_16BIT
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	135 buf = (Uint16 *) light->pixels;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	136 #else
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	137 buf = (Uint32 *) light->pixels;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	138 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	139 for (y = 0; y < light->h; ++y) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	140 for (x = 0; x < light->w; ++x) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	141 /* Slow distance formula (from center of light) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	142 xdist = x - (light->w / 2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	143 ydist = y - (light->h / 2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	144 range = (int) sqrt(xdist * xdist + ydist * ydist);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	145
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	146 /* Scale distance to range of transparency (0-255) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	147 if (range > radius) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	148 trans = alphamask;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	149 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	150 /* Increasing transparency with distance */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	151 trans = (Uint8) ((range * alphamask) / radius);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	152
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	153 /* Lights are very transparent */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	154 addition = (alphamask + 1) / 8;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	155 if ((int) trans + addition > alphamask) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	156 trans = alphamask;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	157 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	158 trans += addition;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	159 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	160 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	161 /* We set the alpha component as the right N bits */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	162 *buf++ \|= (255 - trans);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	163 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	164 buf += skip; /* Almost always 0, but just in case... */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	165 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	166 /* Enable RLE acceleration of this alpha surface */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	167 SDL_SetAlpha(light, SDL_SRCALPHA \| SDL_RLEACCEL, 0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	168
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	169 /* We're done! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	170 return (light);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	171 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	172
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	173 static Uint32 flashes = 0;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	174 static Uint32 flashtime = 0;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	175
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	176 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	177 FlashLight(SDL_Surface * screen, SDL_Surface * light, int x, int y)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	178 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	179 SDL_Rect position;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	180 Uint32 ticks1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	181 Uint32 ticks2;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	182
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	183 /* Easy, center light */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	184 position.x = x - (light->w / 2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	185 position.y = y - (light->h / 2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	186 position.w = light->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	187 position.h = light->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	188 ticks1 = SDL_GetTicks();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	189 SDL_BlitSurface(light, NULL, screen, &position);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	190 ticks2 = SDL_GetTicks();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	191 SDL_UpdateRects(screen, 1, &position);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	192 ++flashes;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	193
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	194 /* Update time spend doing alpha blitting */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	195 flashtime += (ticks2 - ticks1);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	196 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	197
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	198 static int sprite_visible = 0;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	199 static SDL_Surface *sprite;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	200 static SDL_Surface *backing;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	201 static SDL_Rect position;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	202 static int x_vel, y_vel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	203 static int alpha_vel;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	204
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	205 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	206 LoadSprite(SDL_Surface * screen, char *file)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	207 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	208 SDL_Surface *converted;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	209
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	210 /* Load the sprite image */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	211 sprite = SDL_LoadBMP(file);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	212 if (sprite == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	213 fprintf(stderr, "Couldn't load %s: %s", file, SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	214 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	215 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	216
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	217 /* Set transparent pixel as the pixel at (0,0) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	218 if (sprite->format->palette) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	219 SDL_SetColorKey(sprite, SDL_SRCCOLORKEY, (Uint8 ) sprite->pixels);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	220 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	221
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	222 /* Convert sprite to video format */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	223 converted = SDL_DisplayFormat(sprite);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	224 SDL_FreeSurface(sprite);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	225 if (converted == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	226 fprintf(stderr, "Couldn't convert background: %s\n", SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	227 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	228 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	229 sprite = converted;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	230
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	231 /* Create the background */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	232 backing = SDL_CreateRGBSurface(SDL_SWSURFACE, sprite->w, sprite->h, 8,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	233 0, 0, 0, 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	234 if (backing == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	235 fprintf(stderr, "Couldn't create background: %s\n", SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	236 SDL_FreeSurface(sprite);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	237 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	238 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	239
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	240 /* Convert background to video format */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	241 converted = SDL_DisplayFormat(backing);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	242 SDL_FreeSurface(backing);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	243 if (converted == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	244 fprintf(stderr, "Couldn't convert background: %s\n", SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	245 SDL_FreeSurface(sprite);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	246 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	247 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	248 backing = converted;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	249
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	250 /* Set the initial position of the sprite */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	251 position.x = (screen->w - sprite->w) / 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	252 position.y = (screen->h - sprite->h) / 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	253 position.w = sprite->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	254 position.h = sprite->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	255 x_vel = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	256 y_vel = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	257 alpha_vel = 1;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	258
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	259 /* We're ready to roll. :) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	260 return (0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	261 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	262
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	263 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	264 AttractSprite(Uint16 x, Uint16 y)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	265 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	266 x_vel = ((int) x - position.x) / 10;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	267 y_vel = ((int) y - position.y) / 10;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	268 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	269
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	270 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	271 MoveSprite(SDL_Surface * screen, SDL_Surface * light)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	272 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	273 SDL_Rect updates[2];
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	274 Uint8 alpha;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	275
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	276 /* Erase the sprite if it was visible */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	277 if (sprite_visible) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	278 updates[0] = position;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	279 SDL_BlitSurface(backing, NULL, screen, &updates[0]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	280 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	281 updates[0].x = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	282 updates[0].y = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	283 updates[0].w = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	284 updates[0].h = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	285 sprite_visible = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	286 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	287
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	288 /* Since the sprite is off the screen, we can do other drawing
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	289 without being overwritten by the saved area behind the sprite.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	290 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	291 if (light != NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	292 int x, y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	293
2710 44e49d3fa6cf Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	294 SDL_GetMouseState(0, &x, &y);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	295 FlashLight(screen, light, x, y);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	296 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	297
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	298 /* Move the sprite, bounce at the wall */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	299 position.x += x_vel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	300 if ((position.x < 0) \|\| (position.x >= screen->w)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	301 x_vel = -x_vel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	302 position.x += x_vel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	303 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	304 position.y += y_vel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	305 if ((position.y < 0) \|\| (position.y >= screen->h)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	306 y_vel = -y_vel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	307 position.y += y_vel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	308 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	309
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	310 /* Update transparency (fade in and out) */
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	311 SDL_GetSurfaceAlphaMod(sprite, &alpha);
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	312 if (((int) alpha + alpha_vel) < 0) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	313 alpha_vel = -alpha_vel;
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	314 } else if (((int) alpha + alpha_vel) > 255) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	315 alpha_vel = -alpha_vel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	316 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	317 SDL_SetAlpha(sprite, SDL_SRCALPHA, (Uint8) (alpha + alpha_vel));
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	318
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	319 /* Save the area behind the sprite */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	320 updates[1] = position;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	321 SDL_BlitSurface(screen, &updates[1], backing, NULL);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	322
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	323 /* Blit the sprite onto the screen */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	324 updates[1] = position;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	325 SDL_BlitSurface(sprite, NULL, screen, &updates[1]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	326
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	327 /* Make it so! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	328 SDL_UpdateRects(screen, 2, updates);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	329 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	330
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	331 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	332 main(int argc, char *argv[])
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	333 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	334 const SDL_VideoInfo *info;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	335 SDL_Surface *screen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	336 int w, h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	337 Uint8 video_bpp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	338 Uint32 videoflags;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	339 int i, done;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	340 SDL_Event event;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	341 SDL_Surface *light;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	342 int mouse_pressed;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	343 Uint32 ticks, lastticks;
691 609543e2b3a1 Date: Fri, 15 Aug 2003 09:13:59 +0300 Sam Lantinga <slouken@libsdl.org> parents: 0 diff changeset	344
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	345
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	346 /* Initialize SDL */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	347 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	348 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	349 return (1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	350 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	351
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	352 /* Alpha blending doesn't work well at 8-bit color */
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1293 diff changeset	353 #ifdef _WIN32_WCE
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	354 /* Pocket PC */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	355 w = 240;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	356 h = 320;
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1293 diff changeset	357 #else
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	358 w = 640;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	359 h = 480;
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1293 diff changeset	360 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	361 info = SDL_GetVideoInfo();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	362 if (info->vfmt->BitsPerPixel > 8) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	363 video_bpp = info->vfmt->BitsPerPixel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	364 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	365 video_bpp = 16;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	366 fprintf(stderr, "forced 16 bpp mode\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	367 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	368 videoflags = SDL_SWSURFACE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	369 for (i = 1; argv[i]; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	370 if (strcmp(argv[i], "-bpp") == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	371 video_bpp = atoi(argv[++i]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	372 if (video_bpp <= 8) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	373 video_bpp = 16;
691 609543e2b3a1 Date: Fri, 15 Aug 2003 09:13:59 +0300 Sam Lantinga <slouken@libsdl.org> parents: 0 diff changeset	374 fprintf(stderr, "forced 16 bpp mode\n");
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	375 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	376 } else if (strcmp(argv[i], "-hw") == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	377 videoflags \|= SDL_HWSURFACE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	378 } else if (strcmp(argv[i], "-warp") == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	379 videoflags \|= SDL_HWPALETTE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	380 } else if (strcmp(argv[i], "-width") == 0 && argv[i + 1]) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	381 w = atoi(argv[++i]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	382 } else if (strcmp(argv[i], "-height") == 0 && argv[i + 1]) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	383 h = atoi(argv[++i]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	384 } else if (strcmp(argv[i], "-resize") == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	385 videoflags \|= SDL_RESIZABLE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	386 } else if (strcmp(argv[i], "-noframe") == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	387 videoflags \|= SDL_NOFRAME;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	388 } else if (strcmp(argv[i], "-fullscreen") == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	389 videoflags \|= SDL_FULLSCREEN;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	390 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	391 fprintf(stderr,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	392 "Usage: %s [-width N] [-height N] [-bpp N] [-warp] [-hw] [-fullscreen]\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	393 argv[0]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	394 quit(1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	395 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	396 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	397
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	398 /* Set video mode */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	399 if ((screen = SDL_SetVideoMode(w, h, video_bpp, videoflags)) == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	400 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	401 w, h, video_bpp, SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	402 quit(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	403 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	404 FillBackground(screen);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	405
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	406 /* Create the light */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	407 light = CreateLight(82);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	408 if (light == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	409 quit(1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	410 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	411
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	412 /* Load the sprite */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	413 if (LoadSprite(screen, "icon.bmp") < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	414 SDL_FreeSurface(light);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	415 quit(1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	416 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	417
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	418 /* Print out information about our surfaces */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	419 printf("Screen is at %d bits per pixel\n", screen->format->BitsPerPixel);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	420 if ((screen->flags & SDL_HWSURFACE) == SDL_HWSURFACE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	421 printf("Screen is in video memory\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	422 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	423 printf("Screen is in system memory\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	424 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	425 if ((screen->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	426 printf("Screen has double-buffering enabled\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	427 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	428 if ((sprite->flags & SDL_HWSURFACE) == SDL_HWSURFACE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	429 printf("Sprite is in video memory\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	430 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	431 printf("Sprite is in system memory\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	432 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	433
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	434 /* Run a sample blit to trigger blit acceleration */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	435 MoveSprite(screen, NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	436 if ((sprite->flags & SDL_HWACCEL) == SDL_HWACCEL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	437 printf("Sprite blit uses hardware alpha acceleration\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	438 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	439 printf("Sprite blit dosn't uses hardware alpha acceleration\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	440 }
886 05c551e5bc64 Date: Sat, 24 Apr 2004 15:13:32 +0300 Sam Lantinga <slouken@libsdl.org> parents: 691 diff changeset	441
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	442 /* Set a clipping rectangle to clip the outside edge of the screen */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	443 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	444 SDL_Rect clip;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	445 clip.x = 32;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	446 clip.y = 32;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	447 clip.w = screen->w - (2 * 32);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	448 clip.h = screen->h - (2 * 32);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	449 SDL_SetClipRect(screen, &clip);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	450 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	451
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	452 /* Wait for a keystroke */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	453 lastticks = SDL_GetTicks();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	454 done = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	455 mouse_pressed = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	456 while (!done) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	457 /* Update the frame -- move the sprite */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	458 if (mouse_pressed) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	459 MoveSprite(screen, light);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	460 mouse_pressed = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	461 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	462 MoveSprite(screen, NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	463 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	464
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	465 /* Slow down the loop to 30 frames/second */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	466 ticks = SDL_GetTicks();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	467 if ((ticks - lastticks) < FRAME_TICKS) {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	468 #ifdef CHECK_SLEEP_GRANULARITY
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	469 fprintf(stderr, "Sleeping %d ticks\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	470 FRAME_TICKS - (ticks - lastticks));
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	471 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	472 SDL_Delay(FRAME_TICKS - (ticks - lastticks));
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	473 #ifdef CHECK_SLEEP_GRANULARITY
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	474 fprintf(stderr, "Slept %d ticks\n", (SDL_GetTicks() - ticks));
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	475 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	476 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	477 lastticks = ticks;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	478
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	479 /* Check for events */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	480 while (SDL_PollEvent(&event)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	481 switch (event.type) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	482 case SDL_VIDEORESIZE:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	483 screen =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	484 SDL_SetVideoMode(event.resize.w, event.resize.h,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	485 video_bpp, videoflags);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	486 if (screen) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	487 FillBackground(screen);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	488 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	489 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	490 /* Attract sprite while mouse is held down */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	491 case SDL_MOUSEMOTION:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	492 if (event.motion.state != 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	493 AttractSprite(event.motion.x, event.motion.y);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	494 mouse_pressed = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	495 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	496 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	497 case SDL_MOUSEBUTTONDOWN:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	498 if (event.button.button == 1) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	499 AttractSprite(event.button.x, event.button.y);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	500 mouse_pressed = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	501 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	502 SDL_Rect area;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	503
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	504 area.x = event.button.x - 16;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	505 area.y = event.button.y - 16;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	506 area.w = 32;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	507 area.h = 32;
2806 938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	508 SDL_FillRect(screen, &area,
938aa47f903a Fixed testalpha screen clear for screen formats with an alpha channel Sam Lantinga <slouken@libsdl.org> parents: 2799 diff changeset	509 SDL_MapRGB(screen->format, 0, 0, 0));
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	510 SDL_UpdateRects(screen, 1, &area);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	511 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	512 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	513 case SDL_KEYDOWN:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	514 if (event.key.keysym.sym == SDLK_ESCAPE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	515 done = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	516 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	517 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	518 case SDL_QUIT:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	519 done = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	520 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	521 default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	522 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	523 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	524 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	525 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	526 SDL_FreeSurface(light);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	527 SDL_FreeSurface(sprite);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	528 SDL_FreeSurface(backing);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	529
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	530 /* Print out some timing information */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	531 if (flashes > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	532 printf("%d alpha blits, ~%4.4f ms per blit\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	533 flashes, (float) flashtime / flashes);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	534 }
1151 be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe Ryan C. Gordon <icculus@icculus.org> parents: 886 diff changeset	535
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	536 SDL_Quit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1779 diff changeset	537 return (0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	538 }

Mercurial > sdl-ios-xcode

annotate test/testalpha.c @ 3070:3e3724fb829e