167 lines
3.6 KiB
C
167 lines
3.6 KiB
C
/*
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* This software is licensed under the terms of the MIT-License
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* See COPYING for further information.
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* ---
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* Copyright (C) 2011, Lukas Weber <laochailan@web.de>
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*/
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#include "global.h"
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#include <SDL/SDL.h>
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#include <time.h>
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#include <stdio.h>
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#include <png.h>
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#include "paths/native.h"
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#include "resource/resource.h"
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#include "taisei_err.h"
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Global global;
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void init_global() {
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memset(&global, 0, sizeof(global));
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srand(time(0));
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memset(&resources, 0, sizeof(Resources));
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load_resources();
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printf("- fonts:\n");
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init_fonts();
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init_quadvbo();
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}
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void game_over() {
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global.game_over = GAMEOVER_DEFEAT;
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printf("Game Over!\n");
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}
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void frame_rate(int *lasttime) {
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int t = *lasttime + 1000.0/FPS - SDL_GetTicks();
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if(t > 0)
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SDL_Delay(t);
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*lasttime = SDL_GetTicks();
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}
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void calc_fps(FPSCounter *fps) {
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if(SDL_GetTicks() > fps->fpstime+1000) {
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fps->show_fps = fps->fps;
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fps->fps = 0;
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fps->fpstime = SDL_GetTicks();
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} else {
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fps->fps++;
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}
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}
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void set_ortho() {
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(0, SCREEN_W, SCREEN_H, 0, -100, 100);
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glMatrixMode(GL_MODELVIEW);
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glDisable(GL_DEPTH_TEST);
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}
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void fade_out(float f) {
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glColor4f(0,0,0,f);
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glBegin(GL_QUADS);
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glVertex3f(0,0,0);
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glVertex3f(0,SCREEN_H,0);
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glVertex3f(SCREEN_W,SCREEN_H,0);
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glVertex3f(SCREEN_W,0,0);
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glEnd();
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glColor4f(1,1,1,1);
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}
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inline double frand() {
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return rand()/(double)RAND_MAX;
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}
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extern SDL_Surface *display;
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void toggle_fullscreen()
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{
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int newflags = display->flags;
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newflags ^= SDL_FULLSCREEN;
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tconfig.intval[FULLSCREEN] = newflags & SDL_FULLSCREEN;
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SDL_FreeSurface(display);
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if((display = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 32, newflags)) == NULL)
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errx(-1, "Error opening screen: %s", SDL_GetError());
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}
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void take_screenshot()
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{
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FILE *out;
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char data[3 * SCREEN_W * SCREEN_H];
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char outfile[128], *outpath;
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time_t rawtime;
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struct tm * timeinfo;
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time(&rawtime);
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timeinfo = localtime(&rawtime);
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strftime(outfile, 128, "/taisei_%Y%m%d_%H-%M-%S_%Z.png", timeinfo);
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outpath = malloc(strlen(outfile) + strlen(get_screenshots_path()) + 1);
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strcpy(outpath, get_screenshots_path());
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strcat(outpath, outfile);
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printf("Saving screenshot as %s\n", outpath);
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out = fopen(outpath, "w");
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free(outpath);
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if(!out)
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{
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perror("fopen");
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return;
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}
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glReadBuffer(GL_FRONT);
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glReadPixels(0, 0, SCREEN_W, SCREEN_H, GL_RGB, GL_UNSIGNED_BYTE, data);
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png_structp png_ptr;
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png_infop info_ptr;
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png_byte **row_pointers;
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int y;
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png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
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info_ptr = png_create_info_struct (png_ptr);
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png_set_IHDR(png_ptr, info_ptr, SCREEN_W, SCREEN_H, 8, PNG_COLOR_TYPE_RGB,
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PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
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row_pointers = png_malloc(png_ptr, SCREEN_H*sizeof(png_byte *));
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for(y = 0; y < SCREEN_H; y++) {
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row_pointers[y] = png_malloc(png_ptr, 8*3*SCREEN_W);
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memcpy(row_pointers[y], data + SCREEN_W*3*(SCREEN_H-1-y), SCREEN_W*3);
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}
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png_init_io(png_ptr, out);
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png_set_rows(png_ptr, info_ptr, row_pointers);
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png_write_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL);
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for(y = 0; y < SCREEN_H; y++)
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png_free(png_ptr, row_pointers[y]);
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png_free(png_ptr, row_pointers);
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png_destroy_write_struct(&png_ptr, &info_ptr);
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fclose(out);
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}
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void global_processevent(SDL_Event *event)
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{
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int sym = event->key.keysym.sym;
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Uint8 *keys;
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keys = SDL_GetKeyState(NULL);
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if(event->type == SDL_KEYDOWN)
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{
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if(sym == tconfig.intval[KEY_SCREENSHOT])
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take_screenshot();
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if((sym == SDLK_RETURN && (keys[SDLK_LALT] || keys[SDLK_RALT])) || sym == tconfig.intval[KEY_FULLSCREEN])
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toggle_fullscreen();
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}
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}
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