/*
|
|
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely.
|
|
*/
|
|
/********************************************************************************
|
|
* *
|
|
* Running moose :) Coded by Mike Gorchak. *
|
|
* *
|
|
********************************************************************************/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#ifdef __EMSCRIPTEN__
|
|
#include <emscripten/emscripten.h>
|
|
#endif
|
|
|
|
#include "SDL.h"
|
|
#include "testutils.h"
|
|
|
|
#define MOOSEPIC_W 64
|
|
#define MOOSEPIC_H 88
|
|
|
|
#define MOOSEFRAME_SIZE (MOOSEPIC_W * MOOSEPIC_H)
|
|
#define MOOSEFRAMES_COUNT 10
|
|
|
|
/* *INDENT-OFF* */ /* clang-format off */
|
|
SDL_Color MooseColors[84] = {
|
|
{49, 49, 49, 255}, {66, 24, 0, 255}, {66, 33, 0, 255}, {66, 66, 66, 255},
|
|
{66, 115, 49, 255}, {74, 33, 0, 255}, {74, 41, 16, 255}, {82, 33, 8, 255},
|
|
{82, 41, 8, 255}, {82, 49, 16, 255}, {82, 82, 82, 255}, {90, 41, 8, 255},
|
|
{90, 41, 16, 255}, {90, 57, 24, 255}, {99, 49, 16, 255}, {99, 66, 24, 255},
|
|
{99, 66, 33, 255}, {99, 74, 33, 255}, {107, 57, 24, 255}, {107, 82, 41, 255},
|
|
{115, 57, 33, 255}, {115, 66, 33, 255}, {115, 66, 41, 255}, {115, 74, 0, 255},
|
|
{115, 90, 49, 255}, {115, 115, 115, 255}, {123, 82, 0, 255}, {123, 99, 57, 255},
|
|
{132, 66, 41, 255}, {132, 74, 41, 255}, {132, 90, 8, 255}, {132, 99, 33, 255},
|
|
{132, 99, 66, 255}, {132, 107, 66, 255}, {140, 74, 49, 255}, {140, 99, 16, 255},
|
|
{140, 107, 74, 255}, {140, 115, 74, 255}, {148, 107, 24, 255}, {148, 115, 82, 255},
|
|
{148, 123, 74, 255}, {148, 123, 90, 255}, {156, 115, 33, 255}, {156, 115, 90, 255},
|
|
{156, 123, 82, 255}, {156, 132, 82, 255}, {156, 132, 99, 255}, {156, 156, 156, 255},
|
|
{165, 123, 49, 255}, {165, 123, 90, 255}, {165, 132, 82, 255}, {165, 132, 90, 255},
|
|
{165, 132, 99, 255}, {165, 140, 90, 255}, {173, 132, 57, 255}, {173, 132, 99, 255},
|
|
{173, 140, 107, 255}, {173, 140, 115, 255}, {173, 148, 99, 255}, {173, 173, 173, 255},
|
|
{181, 140, 74, 255}, {181, 148, 115, 255}, {181, 148, 123, 255}, {181, 156, 107, 255},
|
|
{189, 148, 123, 255}, {189, 156, 82, 255}, {189, 156, 123, 255}, {189, 156, 132, 255},
|
|
{189, 189, 189, 255}, {198, 156, 123, 255}, {198, 165, 132, 255}, {206, 165, 99, 255},
|
|
{206, 165, 132, 255}, {206, 173, 140, 255}, {206, 206, 206, 255}, {214, 173, 115, 255},
|
|
{214, 173, 140, 255}, {222, 181, 148, 255}, {222, 189, 132, 255}, {222, 189, 156, 255},
|
|
{222, 222, 222, 255}, {231, 198, 165, 255}, {231, 231, 231, 255}, {239, 206, 173, 255}
|
|
};
|
|
/* *INDENT-ON* */ /* clang-format on */
|
|
|
|
Uint8 MooseFrames[MOOSEFRAMES_COUNT][MOOSEFRAME_SIZE];
|
|
|
|
SDL_Renderer *renderer;
|
|
int frame;
|
|
SDL_Texture *MooseTexture;
|
|
SDL_bool done = SDL_FALSE;
|
|
|
|
void quit(int rc)
|
|
{
|
|
SDL_Quit();
|
|
exit(rc);
|
|
}
|
|
|
|
void UpdateTexture(SDL_Texture *texture)
|
|
{
|
|
SDL_Color *color;
|
|
Uint8 *src;
|
|
Uint32 *dst;
|
|
int row, col;
|
|
void *pixels;
|
|
int pitch;
|
|
|
|
if (SDL_LockTexture(texture, NULL, &pixels, &pitch) < 0) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't lock texture: %s\n", SDL_GetError());
|
|
quit(5);
|
|
}
|
|
src = MooseFrames[frame];
|
|
for (row = 0; row < MOOSEPIC_H; ++row) {
|
|
dst = (Uint32 *)((Uint8 *)pixels + row * pitch);
|
|
for (col = 0; col < MOOSEPIC_W; ++col) {
|
|
color = &MooseColors[*src++];
|
|
*dst++ = (0xFF000000 | (color->r << 16) | (color->g << 8) | color->b);
|
|
}
|
|
}
|
|
SDL_UnlockTexture(texture);
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
SDL_Event event;
|
|
|
|
while (SDL_PollEvent(&event)) {
|
|
switch (event.type) {
|
|
case SDL_KEYDOWN:
|
|
if (event.key.keysym.sym == SDLK_ESCAPE) {
|
|
done = SDL_TRUE;
|
|
}
|
|
break;
|
|
case SDL_QUIT:
|
|
done = SDL_TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
frame = (frame + 1) % MOOSEFRAMES_COUNT;
|
|
UpdateTexture(MooseTexture);
|
|
|
|
SDL_RenderClear(renderer);
|
|
SDL_RenderCopy(renderer, MooseTexture, NULL, NULL);
|
|
SDL_RenderPresent(renderer);
|
|
|
|
#ifdef __EMSCRIPTEN__
|
|
if (done) {
|
|
emscripten_cancel_main_loop();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
SDL_Window *window;
|
|
SDL_RWops *handle;
|
|
char *filename = NULL;
|
|
|
|
/* Enable standard application logging */
|
|
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
|
|
|
|
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
|
|
return 1;
|
|
}
|
|
|
|
/* load the moose images */
|
|
filename = GetResourceFilename(NULL, "moose.dat");
|
|
if (filename == NULL) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory\n");
|
|
return -1;
|
|
}
|
|
handle = SDL_RWFromFile(filename, "rb");
|
|
SDL_free(filename);
|
|
if (handle == NULL) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Can't find the file moose.dat !\n");
|
|
quit(2);
|
|
}
|
|
SDL_RWread(handle, MooseFrames, MOOSEFRAME_SIZE, MOOSEFRAMES_COUNT);
|
|
SDL_RWclose(handle);
|
|
|
|
/* Create the window and renderer */
|
|
window = SDL_CreateWindow("Happy Moose",
|
|
SDL_WINDOWPOS_UNDEFINED,
|
|
SDL_WINDOWPOS_UNDEFINED,
|
|
MOOSEPIC_W * 4, MOOSEPIC_H * 4,
|
|
SDL_WINDOW_RESIZABLE);
|
|
if (window == NULL) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create window: %s\n", SDL_GetError());
|
|
quit(3);
|
|
}
|
|
|
|
renderer = SDL_CreateRenderer(window, -1, 0);
|
|
if (renderer == NULL) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create renderer: %s\n", SDL_GetError());
|
|
quit(4);
|
|
}
|
|
|
|
MooseTexture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, MOOSEPIC_W, MOOSEPIC_H);
|
|
if (MooseTexture == NULL) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create texture: %s\n", SDL_GetError());
|
|
quit(5);
|
|
}
|
|
|
|
/* Loop, waiting for QUIT or the escape key */
|
|
frame = 0;
|
|
|
|
#ifdef __EMSCRIPTEN__
|
|
emscripten_set_main_loop(loop, 0, 1);
|
|
#else
|
|
while (!done) {
|
|
loop();
|
|
}
|
|
#endif
|
|
|
|
SDL_DestroyRenderer(renderer);
|
|
|
|
quit(0);
|
|
return 0;
|
|
}
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|