test/testsprite2.c
author Mike Gorchak <lestat@i.com.ua>
Wed, 10 Jun 2009 05:54:19 +0000
changeset 3183 d1436442215f
parent 2884 9dde605c7540
child 3186 51750b7a966f
permissions -rw-r--r--
Support for 15/16/24/32 bpps of icon.bmp has been added, in case if not an original icon.bmp (8bpp with palette) is used for tests.
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/* Simple program:  Move N sprites around on the screen as fast as possible */
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include "common.h"
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#define NUM_SPRITES	100
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#define MAX_SPEED 	1
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static CommonState *state;
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static int num_sprites;
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static SDL_TextureID *sprites;
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static SDL_bool cycle_color;
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static SDL_bool cycle_alpha;
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static int cycle_direction = 1;
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static int current_alpha = 0;
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static int current_color = 0;
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static SDL_Rect *positions;
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static SDL_Rect *velocities;
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static int sprite_w, sprite_h;
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static SDL_BlendMode blendMode = SDL_BLENDMODE_MASK;
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static SDL_TextureScaleMode scaleMode = SDL_TEXTURESCALEMODE_NONE;
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/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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static void
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quit(int rc)
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{
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    if (sprites) {
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        SDL_free(sprites);
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    }
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    if (positions) {
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        SDL_free(positions);
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    }
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    if (velocities) {
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        SDL_free(velocities);
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    }
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    CommonQuit(state);
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    exit(rc);
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}
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int
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LoadSprite(char *file)
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{
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    int i;
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    SDL_Surface *temp;
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    /* Load the sprite image */
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    temp = SDL_LoadBMP(file);
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    if (temp == NULL) {
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        fprintf(stderr, "Couldn't load %s: %s", file, SDL_GetError());
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        return (-1);
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    }
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    sprite_w = temp->w;
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    sprite_h = temp->h;
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    /* Set transparent pixel as the pixel at (0,0) */
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    if (temp->format->palette) {
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        SDL_SetColorKey(temp, SDL_SRCCOLORKEY, *(Uint8 *) temp->pixels);
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    } else {
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        switch (temp->format->BitsPerPixel) {
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        case 15:
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            SDL_SetColorKey(temp, SDL_SRCCOLORKEY, (*(Uint16 *) temp->pixels) & 0x00007FFF);
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            break;
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        case 16:
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            SDL_SetColorKey(temp, SDL_SRCCOLORKEY, *(Uint16 *) temp->pixels);
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            break;
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        case 24:
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            SDL_SetColorKey(temp, SDL_SRCCOLORKEY, (*(Uint32 *) temp->pixels) & 0x00FFFFFF);
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            break;
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        case 32:
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            SDL_SetColorKey(temp, SDL_SRCCOLORKEY, *(Uint32 *) temp->pixels);
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            break;
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        }
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    }
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    /* Create textures from the image */
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    for (i = 0; i < state->num_windows; ++i) {
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        SDL_SelectRenderer(state->windows[i]);
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        sprites[i] = SDL_CreateTextureFromSurface(0, temp);
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        if (!sprites[i]) {
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            fprintf(stderr, "Couldn't create texture: %s\n", SDL_GetError());
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            SDL_FreeSurface(temp);
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            return (-1);
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        }
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        SDL_SetTextureBlendMode(sprites[i], blendMode);
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        SDL_SetTextureScaleMode(sprites[i], scaleMode);
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    }
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    SDL_FreeSurface(temp);
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    /* We're ready to roll. :) */
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    return (0);
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}
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void
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MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
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{
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    int i, n;
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    int window_w, window_h;
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    SDL_Rect *position, *velocity;
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    SDL_SelectRenderer(window);
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    /* Query the sizes */
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    SDL_GetWindowSize(window, &window_w, &window_h);
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    /* Cycle the color and alpha, if desired */
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    if (cycle_color) {
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        current_color += cycle_direction;
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        if (current_color < 0) {
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            current_color = 0;
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            cycle_direction = -cycle_direction;
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        }
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        if (current_color > 255) {
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            current_color = 255;
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            cycle_direction = -cycle_direction;
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   118
        }
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diff changeset
   119
        SDL_SetTextureColorMod(sprite, 255, (Uint8) current_color,
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diff changeset
   120
                               (Uint8) current_color);
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diff changeset
   121
    }
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diff changeset
   122
    if (cycle_alpha) {
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diff changeset
   123
        current_alpha += cycle_direction;
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
diff changeset
   124
        if (current_alpha < 0) {
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diff changeset
   125
            current_alpha = 0;
8055185ae4ed Added source color and alpha modulation support.
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diff changeset
   126
            cycle_direction = -cycle_direction;
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diff changeset
   127
        }
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
diff changeset
   128
        if (current_alpha > 255) {
8055185ae4ed Added source color and alpha modulation support.
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diff changeset
   129
            current_alpha = 255;
8055185ae4ed Added source color and alpha modulation support.
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diff changeset
   130
            cycle_direction = -cycle_direction;
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parents: 1965
diff changeset
   131
        }
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diff changeset
   132
        SDL_SetTextureAlphaMod(sprite, (Uint8) current_alpha);
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diff changeset
   133
    }
8055185ae4ed Added source color and alpha modulation support.
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diff changeset
   134
1895
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parents:
diff changeset
   135
    /* Move the sprite, bounce at the wall, and draw */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   136
    n = 0;
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diff changeset
   137
    SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
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   138
    SDL_RenderFill(NULL);
1895
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parents:
diff changeset
   139
    for (i = 0; i < num_sprites; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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   140
        position = &positions[i];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   141
        velocity = &velocities[i];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   142
        position->x += velocity->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   143
        if ((position->x < 0) || (position->x >= (window_w - sprite_w))) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   144
            velocity->x = -velocity->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   145
            position->x += velocity->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   146
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   147
        position->y += velocity->y;
2834
feb6ccdb888f minor bug
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diff changeset
   148
        if ((position->y < 0) || (position->y >= (window_h - sprite_h))) {
1895
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parents:
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   149
            velocity->y = -velocity->y;
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parents:
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   150
            position->y += velocity->y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   151
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   152
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   153
        /* Blit the sprite onto the screen */
1985
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
diff changeset
   154
        SDL_RenderCopy(sprite, NULL, position);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   155
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   156
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   157
    /* Update the screen! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   158
    SDL_RenderPresent();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   159
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   160
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   161
int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   162
main(int argc, char *argv[])
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   163
{
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   164
    int i, done;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   165
    SDL_Event event;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   166
    Uint32 then, now, frames;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   167
1914
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   168
    /* Initialize parameters */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   169
    num_sprites = NUM_SPRITES;
1914
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   170
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   171
    /* Initialize test framework */
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   172
    state = CommonCreateState(argv, SDL_INIT_VIDEO);
051df511279c Added a test program framework for easy initialization.
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diff changeset
   173
    if (!state) {
051df511279c Added a test program framework for easy initialization.
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diff changeset
   174
        return 1;
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   175
    }
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   176
    for (i = 1; i < argc;) {
051df511279c Added a test program framework for easy initialization.
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diff changeset
   177
        int consumed;
051df511279c Added a test program framework for easy initialization.
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diff changeset
   178
051df511279c Added a test program framework for easy initialization.
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diff changeset
   179
        consumed = CommonArg(state, i);
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
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parents: 1914
diff changeset
   180
        if (consumed == 0) {
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
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diff changeset
   181
            consumed = -1;
c773b0c0ac89 Implemented blend modes in the D3D renderer
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diff changeset
   182
            if (SDL_strcasecmp(argv[i], "--blend") == 0) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
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diff changeset
   183
                if (argv[i + 1]) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
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diff changeset
   184
                    if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
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   185
                        blendMode = SDL_BLENDMODE_NONE;
1916
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diff changeset
   186
                        consumed = 2;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   187
                    } else if (SDL_strcasecmp(argv[i + 1], "mask") == 0) {
2884
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diff changeset
   188
                        blendMode = SDL_BLENDMODE_MASK;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   189
                        consumed = 2;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   190
                    } else if (SDL_strcasecmp(argv[i + 1], "blend") == 0) {
2884
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diff changeset
   191
                        blendMode = SDL_BLENDMODE_BLEND;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
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diff changeset
   192
                        consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   193
                    } else if (SDL_strcasecmp(argv[i + 1], "add") == 0) {
2884
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diff changeset
   194
                        blendMode = SDL_BLENDMODE_ADD;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
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diff changeset
   195
                        consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   196
                    } else if (SDL_strcasecmp(argv[i + 1], "mod") == 0) {
2884
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diff changeset
   197
                        blendMode = SDL_BLENDMODE_MOD;
1916
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diff changeset
   198
                        consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
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diff changeset
   199
                    }
c773b0c0ac89 Implemented blend modes in the D3D renderer
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diff changeset
   200
                }
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   201
            } else if (SDL_strcasecmp(argv[i], "--scale") == 0) {
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   202
                if (argv[i + 1]) {
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   203
                    if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
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parents: 1917
diff changeset
   204
                        scaleMode = SDL_TEXTURESCALEMODE_NONE;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   205
                        consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   206
                    } else if (SDL_strcasecmp(argv[i + 1], "fast") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
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parents: 1917
diff changeset
   207
                        scaleMode = SDL_TEXTURESCALEMODE_FAST;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   208
                        consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   209
                    } else if (SDL_strcasecmp(argv[i + 1], "slow") == 0) {
1965
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parents: 1917
diff changeset
   210
                        scaleMode = SDL_TEXTURESCALEMODE_SLOW;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   211
                        consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   212
                    } else if (SDL_strcasecmp(argv[i + 1], "best") == 0) {
1965
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parents: 1917
diff changeset
   213
                        scaleMode = SDL_TEXTURESCALEMODE_BEST;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   214
                        consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   215
                    }
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   216
                }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   217
            } else if (SDL_strcasecmp(argv[i], "--cyclecolor") == 0) {
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
diff changeset
   218
                cycle_color = SDL_TRUE;
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
diff changeset
   219
                consumed = 1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   220
            } else if (SDL_strcasecmp(argv[i], "--cyclealpha") == 0) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   221
                cycle_alpha = SDL_TRUE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   222
                consumed = 1;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
   223
            } else if (SDL_isdigit(*argv[i])) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   224
                num_sprites = SDL_atoi(argv[i]);
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   225
                consumed = 1;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
   226
            }
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
Sam Lantinga <slouken@libsdl.org>
parents: 1914
diff changeset
   227
        }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   228
        if (consumed < 0) {
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   229
            fprintf(stderr,
1985
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
diff changeset
   230
                    "Usage: %s %s [--blend none|mask|blend|add|mod] [--scale none|fast|slow|best] [--cyclecolor] [--cyclealpha]\n",
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
   231
                    argv[0], CommonUsage(state));
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   232
            quit(1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   233
        }
1914
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   234
        i += consumed;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   235
    }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   236
    if (!CommonInit(state)) {
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   237
        quit(2);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   238
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   239
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   240
    /* Create the windows, initialize the renderers, and load the textures */
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   241
    sprites =
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   242
        (SDL_TextureID *) SDL_malloc(state->num_windows * sizeof(*sprites));
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   243
    if (!sprites) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   244
        fprintf(stderr, "Out of 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:
diff changeset
   245
        quit(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   246
    }
1914
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   247
    for (i = 0; i < state->num_windows; ++i) {
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   248
        SDL_SelectRenderer(state->windows[i]);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
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diff changeset
   249
        SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
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   250
        SDL_RenderFill(NULL);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   251
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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   252
    if (LoadSprite("icon.bmp") < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   253
        quit(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   254
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   255
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   256
    /* Allocate memory for the sprite info */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   257
    positions = (SDL_Rect *) SDL_malloc(num_sprites * sizeof(SDL_Rect));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   258
    velocities = (SDL_Rect *) SDL_malloc(num_sprites * sizeof(SDL_Rect));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   259
    if (!positions || !velocities) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   260
        fprintf(stderr, "Out of memory!\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   261
        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:
diff changeset
   262
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   263
    srand(time(NULL));
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
   264
    if (scaleMode != SDL_TEXTURESCALEMODE_NONE) {
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   265
        sprite_w += sprite_w / 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   266
        sprite_h += sprite_h / 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   267
    }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   268
    for (i = 0; i < num_sprites; ++i) {
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   269
        positions[i].x = rand() % (state->window_w - sprite_w);
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   270
        positions[i].y = rand() % (state->window_h - sprite_h);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   271
        positions[i].w = sprite_w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   272
        positions[i].h = sprite_h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   273
        velocities[i].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:
diff changeset
   274
        velocities[i].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:
diff changeset
   275
        while (!velocities[i].x && !velocities[i].y) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   276
            velocities[i].x = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   277
            velocities[i].y = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   278
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   279
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   280
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
Sam Lantinga <slouken@libsdl.org>
parents: 1914
diff changeset
   281
    /* Main render loop */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   282
    frames = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   283
    then = 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:
diff changeset
   284
    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:
diff changeset
   285
    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:
diff changeset
   286
        /* 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:
diff changeset
   287
        ++frames;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   288
        while (SDL_PollEvent(&event)) {
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   289
            CommonEvent(state, &event, &done);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   290
            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:
diff changeset
   291
            case SDL_WINDOWEVENT:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   292
                switch (event.window.event) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   293
                case SDL_WINDOWEVENT_EXPOSED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   294
                    SDL_SelectRenderer(event.window.windowID);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
   295
                    SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
   296
                    SDL_RenderFill(NULL);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   297
                    break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   298
                }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   299
                break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   300
            default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   301
                break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   302
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   303
        }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   304
        for (i = 0; i < state->num_windows; ++i) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   305
            MoveSprites(state->windows[i], sprites[i]);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   306
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   307
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   308
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   309
    /* 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:
diff changeset
   310
    now = 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:
diff changeset
   311
    if (now > then) {
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2783
diff changeset
   312
        double fps = ((double) frames * 1000) / (now - then);
2783
e33ad7ebb7eb Fixed Direct3D rendering
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
   313
        printf("%2.2f frames per second\n", fps);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   314
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   315
    quit(0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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:
diff changeset
   317
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   318
/* vi: set ts=4 sw=4 expandtab: */