211 lines
6.9 KiB
C
211 lines
6.9 KiB
C
/*
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Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely.
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*/
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/********************************************************************************
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* *
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* Running moose :) Coded by Mike Gorchak. *
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* *
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********************************************************************************/
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#include <SDL3/SDL.h>
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#include <SDL3/SDL_main.h>
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#include <SDL3/SDL_test.h>
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#include "testutils.h"
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#ifdef SDL_PLATFORM_EMSCRIPTEN
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#include <emscripten/emscripten.h>
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#endif
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#include <stdlib.h>
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#define MOOSEPIC_W 64
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#define MOOSEPIC_H 88
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#define MOOSEFRAME_SIZE (MOOSEPIC_W * MOOSEPIC_H)
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#define MOOSEFRAMES_COUNT 10
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/* *INDENT-OFF* */ /* clang-format off */
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static SDL_Color MooseColors[84] = {
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{49, 49, 49, 255}, {66, 24, 0, 255}, {66, 33, 0, 255}, {66, 66, 66, 255},
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{66, 115, 49, 255}, {74, 33, 0, 255}, {74, 41, 16, 255}, {82, 33, 8, 255},
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{82, 41, 8, 255}, {82, 49, 16, 255}, {82, 82, 82, 255}, {90, 41, 8, 255},
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{90, 41, 16, 255}, {90, 57, 24, 255}, {99, 49, 16, 255}, {99, 66, 24, 255},
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{99, 66, 33, 255}, {99, 74, 33, 255}, {107, 57, 24, 255}, {107, 82, 41, 255},
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{115, 57, 33, 255}, {115, 66, 33, 255}, {115, 66, 41, 255}, {115, 74, 0, 255},
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{115, 90, 49, 255}, {115, 115, 115, 255}, {123, 82, 0, 255}, {123, 99, 57, 255},
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{132, 66, 41, 255}, {132, 74, 41, 255}, {132, 90, 8, 255}, {132, 99, 33, 255},
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{132, 99, 66, 255}, {132, 107, 66, 255}, {140, 74, 49, 255}, {140, 99, 16, 255},
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{140, 107, 74, 255}, {140, 115, 74, 255}, {148, 107, 24, 255}, {148, 115, 82, 255},
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{148, 123, 74, 255}, {148, 123, 90, 255}, {156, 115, 33, 255}, {156, 115, 90, 255},
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{156, 123, 82, 255}, {156, 132, 82, 255}, {156, 132, 99, 255}, {156, 156, 156, 255},
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{165, 123, 49, 255}, {165, 123, 90, 255}, {165, 132, 82, 255}, {165, 132, 90, 255},
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{165, 132, 99, 255}, {165, 140, 90, 255}, {173, 132, 57, 255}, {173, 132, 99, 255},
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{173, 140, 107, 255}, {173, 140, 115, 255}, {173, 148, 99, 255}, {173, 173, 173, 255},
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{181, 140, 74, 255}, {181, 148, 115, 255}, {181, 148, 123, 255}, {181, 156, 107, 255},
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{189, 148, 123, 255}, {189, 156, 82, 255}, {189, 156, 123, 255}, {189, 156, 132, 255},
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{189, 189, 189, 255}, {198, 156, 123, 255}, {198, 165, 132, 255}, {206, 165, 99, 255},
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{206, 165, 132, 255}, {206, 173, 140, 255}, {206, 206, 206, 255}, {214, 173, 115, 255},
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{214, 173, 140, 255}, {222, 181, 148, 255}, {222, 189, 132, 255}, {222, 189, 156, 255},
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{222, 222, 222, 255}, {231, 198, 165, 255}, {231, 231, 231, 255}, {239, 206, 173, 255}
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};
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/* *INDENT-ON* */ /* clang-format on */
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static Uint8 MooseFrames[MOOSEFRAMES_COUNT][MOOSEFRAME_SIZE];
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static SDL_Renderer *renderer;
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static int frame;
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static SDL_Texture *MooseTexture;
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static SDL_bool done = SDL_FALSE;
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static SDLTest_CommonState *state;
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static void quit(int rc)
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{
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SDL_Quit();
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SDLTest_CommonDestroyState(state);
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/* Let 'main()' return normally */
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if (rc != 0) {
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exit(rc);
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}
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}
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static void UpdateTexture(SDL_Texture *texture)
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{
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SDL_Color *color;
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Uint8 *src;
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Uint32 *dst;
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int row, col;
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void *pixels;
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int pitch;
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if (SDL_LockTexture(texture, NULL, &pixels, &pitch) < 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't lock texture: %s\n", SDL_GetError());
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quit(5);
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}
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src = MooseFrames[frame];
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for (row = 0; row < MOOSEPIC_H; ++row) {
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dst = (Uint32 *)((Uint8 *)pixels + row * pitch);
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for (col = 0; col < MOOSEPIC_W; ++col) {
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color = &MooseColors[*src++];
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*dst++ = (0xFF000000 | (color->r << 16) | (color->g << 8) | color->b);
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}
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}
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SDL_UnlockTexture(texture);
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}
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static void loop(void)
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{
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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switch (event.type) {
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case SDL_EVENT_KEY_DOWN:
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if (event.key.keysym.sym == SDLK_ESCAPE) {
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done = SDL_TRUE;
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}
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break;
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case SDL_EVENT_QUIT:
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done = SDL_TRUE;
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break;
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default:
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break;
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}
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}
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frame = (frame + 1) % MOOSEFRAMES_COUNT;
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UpdateTexture(MooseTexture);
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SDL_RenderClear(renderer);
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SDL_RenderTexture(renderer, MooseTexture, NULL, NULL);
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SDL_RenderPresent(renderer);
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#ifdef SDL_PLATFORM_EMSCRIPTEN
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if (done) {
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emscripten_cancel_main_loop();
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}
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#endif
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}
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int main(int argc, char **argv)
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{
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SDL_Window *window;
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SDL_IOStream *handle;
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char *filename = NULL;
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/* Initialize test framework */
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state = SDLTest_CommonCreateState(argv, 0);
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if (!state) {
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return 1;
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}
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/* Enable standard application logging */
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SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
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if (!SDLTest_CommonDefaultArgs(state, argc, argv)) {
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SDLTest_CommonDestroyState(state);
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return 1;
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}
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if (SDL_Init(SDL_INIT_VIDEO) < 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
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return 1;
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}
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/* load the moose images */
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filename = GetResourceFilename(NULL, "moose.dat");
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if (!filename) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory\n");
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return -1;
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}
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handle = SDL_IOFromFile(filename, "rb");
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SDL_free(filename);
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if (!handle) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Can't find the file moose.dat !\n");
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quit(2);
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}
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SDL_ReadIO(handle, MooseFrames, MOOSEFRAME_SIZE * MOOSEFRAMES_COUNT);
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SDL_CloseIO(handle);
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/* Create the window and renderer */
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window = SDL_CreateWindow("Happy Moose", MOOSEPIC_W * 4, MOOSEPIC_H * 4, SDL_WINDOW_RESIZABLE);
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if (!window) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create window: %s\n", SDL_GetError());
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quit(3);
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}
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renderer = SDL_CreateRenderer(window, NULL, 0);
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if (!renderer) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create renderer: %s\n", SDL_GetError());
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quit(4);
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}
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MooseTexture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, MOOSEPIC_W, MOOSEPIC_H);
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if (!MooseTexture) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create texture: %s\n", SDL_GetError());
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quit(5);
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}
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/* Loop, waiting for QUIT or the escape key */
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frame = 0;
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#ifdef SDL_PLATFORM_EMSCRIPTEN
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emscripten_set_main_loop(loop, 0, 1);
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#else
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while (!done) {
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loop();
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}
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#endif
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SDL_DestroyRenderer(renderer);
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quit(0);
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return 0;
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}
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