test/testspriteminimal.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 17 Mar 2013 09:44:58 -0700
changeset 7011 82bbfbbc720e
parent 6259 4aef5b792087
child 7443 58c5fcba814d
permissions -rw-r--r--
Removed Nintendo DS support since nobody has volunteered to maintain it for over a year.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5535
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
     1
/*
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
     2
  Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
     3
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
     4
  This software is provided 'as-is', without any express or implied
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
     5
  warranty.  In no event will the authors be held liable for any damages
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
     6
  arising from the use of this software.
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
     7
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
     8
  Permission is granted to anyone to use this software for any purpose,
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
     9
  including commercial applications, and to alter it and redistribute it
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
    10
  freely.
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5517
diff changeset
    11
*/
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    12
/* Simple program:  Move N sprites around on the screen as fast as possible */
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    13
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    14
#include <stdlib.h>
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    15
#include <stdio.h>
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    16
#include <time.h>
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    17
4969
d2247eb39fab Need to include SDL_main.h ... eh, just include everything. :)
Sam Lantinga <slouken@libsdl.org>
parents: 3685
diff changeset
    18
#include "SDL.h"
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    19
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    20
#define WINDOW_WIDTH    640
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    21
#define WINDOW_HEIGHT   480
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    22
#define NUM_SPRITES     100
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    23
#define MAX_SPEED       1
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    24
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
    25
static SDL_Texture *sprite;
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    26
static SDL_Rect positions[NUM_SPRITES];
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    27
static SDL_Rect velocities[NUM_SPRITES];
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    28
static int sprite_w, sprite_h;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    29
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    30
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    31
static void
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    32
quit(int rc)
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    33
{
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    34
    exit(rc);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    35
}
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    36
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    37
int
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
    38
LoadSprite(char *file, SDL_Renderer *renderer)
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    39
{
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    40
    SDL_Surface *temp;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    41
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    42
    /* Load the sprite image */
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    43
    temp = SDL_LoadBMP(file);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    44
    if (temp == NULL) {
6259
4aef5b792087 Have testspriteminimal use the new simple API
Sam Lantinga <slouken@libsdl.org>
parents: 5535
diff changeset
    45
        fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError());
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    46
        return (-1);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    47
    }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    48
    sprite_w = temp->w;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    49
    sprite_h = temp->h;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    50
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    51
    /* Set transparent pixel as the pixel at (0,0) */
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    52
    if (temp->format->palette) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    53
        SDL_SetColorKey(temp, SDL_TRUE, *(Uint8 *) temp->pixels);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    54
    } else {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    55
        switch (temp->format->BitsPerPixel) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    56
        case 15:
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    57
            SDL_SetColorKey(temp, SDL_TRUE,
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    58
                            (*(Uint16 *) temp->pixels) & 0x00007FFF);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    59
            break;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    60
        case 16:
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    61
            SDL_SetColorKey(temp, SDL_TRUE, *(Uint16 *) temp->pixels);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    62
            break;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    63
        case 24:
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    64
            SDL_SetColorKey(temp, SDL_TRUE,
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    65
                            (*(Uint32 *) temp->pixels) & 0x00FFFFFF);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    66
            break;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    67
        case 32:
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    68
            SDL_SetColorKey(temp, SDL_TRUE, *(Uint32 *) temp->pixels);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    69
            break;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    70
        }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    71
    }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    72
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    73
    /* Create textures from the image */
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5147
diff changeset
    74
    sprite = SDL_CreateTextureFromSurface(renderer, temp);
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    75
    if (!sprite) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    76
        fprintf(stderr, "Couldn't create texture: %s\n", SDL_GetError());
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    77
        SDL_FreeSurface(temp);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    78
        return (-1);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    79
    }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    80
    SDL_FreeSurface(temp);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    81
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    82
    /* We're ready to roll. :) */
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    83
    return (0);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    84
}
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    85
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    86
void
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
    87
MoveSprites(SDL_Window * window, SDL_Renderer * renderer, SDL_Texture * sprite)
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    88
{
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    89
    int i;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    90
    int window_w = WINDOW_WIDTH;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    91
    int window_h = WINDOW_HEIGHT;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    92
    SDL_Rect *position, *velocity;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    93
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    94
    /* Draw a gray background */
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
    95
    SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
    96
    SDL_RenderClear(renderer);
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    97
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    98
    /* Move the sprite, bounce at the wall, and draw */
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    99
    for (i = 0; i < NUM_SPRITES; ++i) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   100
        position = &positions[i];
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   101
        velocity = &velocities[i];
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   102
        position->x += velocity->x;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   103
        if ((position->x < 0) || (position->x >= (window_w - sprite_w))) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   104
            velocity->x = -velocity->x;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   105
            position->x += velocity->x;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   106
        }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   107
        position->y += velocity->y;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   108
        if ((position->y < 0) || (position->y >= (window_h - sprite_h))) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   109
            velocity->y = -velocity->y;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   110
            position->y += velocity->y;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   111
        }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   112
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   113
        /* Blit the sprite onto the screen */
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
   114
        SDL_RenderCopy(renderer, sprite, NULL, position);
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   115
    }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   116
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   117
    /* Update the screen! */
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
   118
    SDL_RenderPresent(renderer);
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   119
}
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   120
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   121
int
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   122
main(int argc, char *argv[])
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   123
{
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   124
    SDL_Window *window;
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
   125
    SDL_Renderer *renderer;
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   126
    int i, done;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   127
    SDL_Event event;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   128
6259
4aef5b792087 Have testspriteminimal use the new simple API
Sam Lantinga <slouken@libsdl.org>
parents: 5535
diff changeset
   129
    if (SDL_CreateWindowAndRenderer(WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer) < 0) {
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
   130
        quit(2);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
   131
    }
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
   132
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
   133
    if (LoadSprite("icon.bmp", renderer) < 0) {
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   134
        quit(2);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   135
    }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   136
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   137
    /* Initialize the sprite positions */
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   138
    srand(time(NULL));
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   139
    for (i = 0; i < NUM_SPRITES; ++i) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   140
        positions[i].x = rand() % (WINDOW_WIDTH - sprite_w);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   141
        positions[i].y = rand() % (WINDOW_HEIGHT - sprite_h);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   142
        positions[i].w = sprite_w;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   143
        positions[i].h = sprite_h;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   144
        velocities[i].x = 0;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   145
        velocities[i].y = 0;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   146
        while (!velocities[i].x && !velocities[i].y) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   147
            velocities[i].x = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   148
            velocities[i].y = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   149
        }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   150
    }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   151
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   152
    /* Main render loop */
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   153
    done = 0;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   154
    while (!done) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   155
        /* Check for events */
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   156
        while (SDL_PollEvent(&event)) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   157
            if (event.type == SDL_QUIT || event.type == SDL_KEYDOWN) {
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   158
                done = 1;
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   159
            }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   160
        }
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 4969
diff changeset
   161
        MoveSprites(window, renderer, sprite);
3417
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   162
    }
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   163
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   164
    quit(0);
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   165
}
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   166
64a60c5d502e Automatically initialize the video system and create a renderer to simplify use.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   167
/* vi: set ts=4 sw=4 expandtab: */