sdl-ios-xcode: test/testsprite2.c annotate

author	Sam Lantinga <slouken@libsdl.org>
date	Sat, 24 Jun 2006 16:51:01 +0000
parents
children	57ce47f033a5

rev	line source
1706 1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /* Simple program: Move N sprites around on the screen as fast as possible */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 #include <stdio.h>
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4 #include <stdlib.h>
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 #include <string.h>
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 #include <ctype.h>
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 #include <math.h>
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 #include <time.h>
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 #include "SDL.h"
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 #define NUM_WINDOWS 2
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 #define WINDOW_W 640
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14 #define WINDOW_H 480
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 #define NUM_SPRITES 100
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 #define MAX_SPEED 1
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18 static int num_windows;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 static int num_sprites;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 static SDL_WindowID *windows;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 static SDL_TextureID *sprites;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 static SDL_Rect *positions;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23 static SDL_Rect *velocities;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 static int sprite_w, sprite_h;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 static void
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 quit(int rc)
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 if (windows) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 SDL_free(windows);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 if (sprites) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 SDL_free(sprites);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 if (positions) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 SDL_free(positions);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 if (velocities) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 SDL_free(velocities);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 SDL_Quit();
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 exit(rc);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 int
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 LoadSprite(char *file)
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 int i;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 SDL_Surface *temp;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 /* Load the sprite image */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 temp = SDL_LoadBMP(file);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 if (temp == NULL) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 fprintf(stderr, "Couldn't load %s: %s", file, SDL_GetError());
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 return (-1);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 sprite_w = temp->w;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 sprite_h = temp->h;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 /* Set transparent pixel as the pixel at (0,0) */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 if (temp->format->palette) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 SDL_SetColorKey(temp, SDL_SRCCOLORKEY, (Uint8 ) temp->pixels);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 /* Create textures from the image */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 for (i = 0; i < num_windows; ++i) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 SDL_SelectRenderer(windows[i]);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 sprites[i] =
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 SDL_CreateTextureFromSurface(0, SDL_TextureAccess_Remote, temp);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 if (!sprites[i]) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 fprintf(stderr, "Couldn't create texture: %s\n", SDL_GetError());
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 SDL_FreeSurface(temp);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 return (-1);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 SDL_FreeSurface(temp);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 /* We're ready to roll. :) */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 return (0);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 void
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 int i, n;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 int window_w, window_h;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 SDL_Rect area, position, velocity;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 SDL_SelectRenderer(window);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 SDL_RenderFill(NULL, 0);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 /* Query the sizes */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 SDL_GetWindowSize(window, &window_w, &window_h);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 /* Move the sprite, bounce at the wall, and draw */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 n = 0;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 for (i = 0; i < num_sprites; ++i) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 position = &positions[i];
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 velocity = &velocities[i];
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 position->x += velocity->x;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 if ((position->x < 0) \|\| (position->x >= (window_w - sprite_w))) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 velocity->x = -velocity->x;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 position->x += velocity->x;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 position->y += velocity->y;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 if ((position->y < 0) \|\| (position->y >= (window_h - sprite_w))) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 velocity->y = -velocity->y;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 position->y += velocity->y;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 /* Blit the sprite onto the screen */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 SDL_RenderCopy(sprite, NULL, position, SDL_TextureBlendMode_Mask,
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 SDL_TextureScaleMode_None);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 /* Update the screen! */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 SDL_RenderPresent();
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 int
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 main(int argc, char *argv[])
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 const SDL_DisplayMode *current_mode;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 int window_w, window_h;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 int i, done;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 SDL_Event event;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 Uint32 then, now, frames;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 /* Initialize SDL */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 return (1);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 num_windows = NUM_WINDOWS;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 num_sprites = NUM_SPRITES;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 window_w = WINDOW_W;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 window_h = WINDOW_H;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 while (argc > 1) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 --argc;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 if (strcmp(argv[argc - 1], "-width") == 0) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 window_w = atoi(argv[argc]);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 --argc;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 } else if (strcmp(argv[argc - 1], "-height") == 0) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 window_h = atoi(argv[argc]);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 --argc;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 } else if (isdigit(argv[argc][0])) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 num_sprites = atoi(argv[argc]);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 } else {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 fprintf(stderr,
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 "Usage: %s [-width] [-height] [numsprites]\n", argv[0]);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 quit(1);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 /* Initialize the video mode, if necessary */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 current_mode = SDL_GetCurrentDisplayMode();
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 if (!current_mode->w \|\| !current_mode->h) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 SDL_DisplayMode mode;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 /* Let the driver pick something it likes, we don't care */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 mode.format = 0;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 mode.w = 0;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 mode.h = 0;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 mode.refresh_rate = 0;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 if (SDL_SetDisplayMode(&mode) < 0) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 fprintf(stderr, "Couldn't set display mode: %s\n",
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 SDL_GetError());
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 quit(2);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 /* Create the windows, initialize the renderers, and load the textures */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 windows = (SDL_WindowID ) SDL_malloc(num_windows sizeof(*windows));
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 sprites = (SDL_TextureID ) SDL_malloc(num_windows sizeof(*sprites));
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 if (!windows \|\| !sprites) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 fprintf(stderr, "Out of memory!\n");
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 quit(2);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 for (i = 0; i < num_windows; ++i) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 char title[32];
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 SDL_snprintf(title, sizeof(title), "testsprite %d", i + 1);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 windows[i] =
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 SDL_CreateWindow(title, -1, -1, window_w, window_h,
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 SDL_WINDOW_SHOWN);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 if (!windows[i]) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 fprintf(stderr, "Couldn't create window: %s\n", SDL_GetError());
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 quit(2);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 if (SDL_CreateRenderer(windows[i], -1, 0) < 0) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 fprintf(stderr, "Couldn't create renderer: %s\n", SDL_GetError());
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 quit(2);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 if (LoadSprite("icon.bmp") < 0) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 quit(2);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 /* Allocate memory for the sprite info */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 positions = (SDL_Rect ) SDL_malloc(num_sprites sizeof(SDL_Rect));
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 velocities = (SDL_Rect ) SDL_malloc(num_sprites sizeof(SDL_Rect));
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 if (!positions \|\| !velocities) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 fprintf(stderr, "Out of memory!\n");
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 quit(2);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 srand(time(NULL));
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 for (i = 0; i < num_sprites; ++i) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 positions[i].x = rand() % (window_w - sprite_w);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 positions[i].y = rand() % (window_h - sprite_h);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 positions[i].w = sprite_w;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 positions[i].h = sprite_h;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 velocities[i].x = 0;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 velocities[i].y = 0;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 while (!velocities[i].x && !velocities[i].y) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 velocities[i].x = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 velocities[i].y = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 /* Loop, blitting sprites and waiting for a keystroke */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 frames = 0;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 then = SDL_GetTicks();
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 done = 0;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229 while (!done) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 /* Check for events */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 ++frames;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 while (SDL_PollEvent(&event)) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 switch (event.type) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 case SDL_KEYDOWN:
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235 /* Any keypress quits the app... */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 case SDL_QUIT:
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 done = 1;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 break;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 default:
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 break;
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 for (i = 0; i < num_windows; ++i) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 MoveSprites(windows[i], sprites[i]);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 /* Print out some timing information */
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 now = SDL_GetTicks();
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 if (now > then) {
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 printf("%2.2f frames per second\n",
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 ((double) frames * 1000) / (now - then));
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 quit(0);
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 }
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256
1577404809f0 Added a multi-window version of testsprite using the new API. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 /* vi: set ts=4 sw=4 expandtab: */

1706

1577404809f0 Added a multi-window version of testsprite using the new API.