1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/main_sdl.c	Mon Jun 16 22:01:45 2014 +0300
     1.3 @@ -0,0 +1,182 @@
     1.4 +#include "config.h"
     1.5 +#include <stdio.h>
     1.6 +#include <stdlib.h>
     1.7 +#include <SDL.h>
     1.8 +#include "gbasys.h"
     1.9 +#include "game.h"
    1.10 +
    1.11 +static int proc_events(SDL_Event *ev);
    1.12 +static void handle_keyboard(int key, int state);
    1.13 +
    1.14 +struct pixel_buffer *back_buffer, *front_buffer;
    1.15 +
    1.16 +static SDL_Surface *surf;
    1.17 +static struct pixel_buffer bbuf;
    1.18 +static unsigned int keystate;
    1.19 +
    1.20 +int main(void)
    1.21 +{
    1.22 +	int i, j;
    1.23 +
    1.24 +	SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_NOPARACHUTE);
    1.25 +
    1.26 +	if(!(surf = SDL_SetVideoMode(WIDTH * SDLSCALE, HEIGHT * SDLSCALE, 16, SDL_SWSURFACE))) {
    1.27 +		fprintf(stderr, "failed to initialize graphics\n");
    1.28 +		return 1;
    1.29 +	}
    1.30 +	SDL_WM_SetCaption("trycatch", 0);
    1.31 +
    1.32 +	bbuf.x = WIDTH;
    1.33 +	bbuf.y = HEIGHT;
    1.34 +	bbuf.bpp = 16;
    1.35 +	if(!(bbuf.pixels = malloc(WIDTH * HEIGHT * 2))) {
    1.36 +		fprintf(stderr, "failed to allocate framebuffer (%dx%d)\n", WIDTH, HEIGHT);
    1.37 +		SDL_Quit();
    1.38 +		return 1;
    1.39 +	}
    1.40 +
    1.41 +	back_buffer = front_buffer = &bbuf;
    1.42 +
    1.43 +	for(;;) {
    1.44 +		SDL_Event ev;
    1.45 +		uint16_t *dest, *src;
    1.46 +
    1.47 +		while(SDL_PollEvent(&ev)) {
    1.48 +			if(proc_events(&ev) == -1) {
    1.49 +				goto done;
    1.50 +			}
    1.51 +		}
    1.52 +
    1.53 +		game_draw();
    1.54 +
    1.55 +		if(SDL_MUSTLOCK(surf)) {
    1.56 +			SDL_LockSurface(surf);
    1.57 +		}
    1.58 +
    1.59 +		src = bbuf.pixels;
    1.60 +		dest = surf->pixels;
    1.61 +
    1.62 +		for(i=0; i<HEIGHT; i++) {
    1.63 +			for(j=0; j<WIDTH; j++) {
    1.64 +				dest[0] = dest[1] = dest[WIDTH] = dest[WIDTH + 1] = *src++;
    1.65 +				dest += 2;
    1.66 +			}
    1.67 +			dest += WIDTH;
    1.68 +		}
    1.69 +
    1.70 +		if(SDL_MUSTLOCK(surf)) {
    1.71 +			SDL_UnlockSurface(surf);
    1.72 +		}
    1.73 +		keystate = 0;
    1.74 +	}
    1.75 +
    1.76 +done:
    1.77 +	SDL_Quit();
    1.78 +	return 0;
    1.79 +}
    1.80 +
    1.81 +void flip(void)
    1.82 +{
    1.83 +	SDL_Flip(surf);
    1.84 +}
    1.85 +
    1.86 +void clear_buffer(struct pixel_buffer *pbuf, unsigned short color)
    1.87 +{
    1.88 +	int i;
    1.89 +	unsigned short *pixels = pbuf->pixels;
    1.90 +
    1.91 +	for(i=0; i<pbuf->x * pbuf->y; i++) {
    1.92 +		*pixels++ = color;
    1.93 +	}
    1.94 +}
    1.95 +
    1.96 +int get_key_state(int key)
    1.97 +{
    1.98 +	return keystate & key;
    1.99 +}
   1.100 +
   1.101 +unsigned long get_millisec(void)
   1.102 +{
   1.103 +	return SDL_GetTicks();
   1.104 +}
   1.105 +
   1.106 +static int proc_events(SDL_Event *ev)
   1.107 +{
   1.108 +	switch(ev->type) {
   1.109 +	case SDL_KEYDOWN:
   1.110 +	case SDL_KEYUP:
   1.111 +		handle_keyboard(ev->key.keysym.sym, ev->key.state == SDL_KEYDOWN);
   1.112 +		break;
   1.113 +
   1.114 +	case SDL_QUIT:
   1.115 +		return -1;
   1.116 +	}
   1.117 +
   1.118 +	return 0;
   1.119 +}
   1.120 +
   1.121 +static void handle_keyboard(int key, int state)
   1.122 +{
   1.123 +	int gba_key = -1;
   1.124 +
   1.125 +	switch(key) {
   1.126 +	case SDLK_ESCAPE:
   1.127 +		{
   1.128 +			SDL_Event ev;
   1.129 +			ev.type = SDL_QUIT;
   1.130 +			SDL_PushEvent(&ev);
   1.131 +		}
   1.132 +		break;
   1.133 +
   1.134 +	case 'a':
   1.135 +	case 'A':
   1.136 +	case SDLK_LEFT:
   1.137 +		gba_key = KEY_LEFT;
   1.138 +		break;
   1.139 +
   1.140 +	case 'd':
   1.141 +	case 'D':
   1.142 +	case SDLK_RIGHT:
   1.143 +		gba_key = KEY_RIGHT;
   1.144 +		break;
   1.145 +
   1.146 +	case 'w':
   1.147 +	case 'W':
   1.148 +	case SDLK_UP:
   1.149 +		gba_key = KEY_UP;
   1.150 +		break;
   1.151 +
   1.152 +	case 's':
   1.153 +	case 'S':
   1.154 +	case SDLK_DOWN:
   1.155 +		gba_key = KEY_DOWN;
   1.156 +		break;
   1.157 +
   1.158 +	case '\n':
   1.159 +		gba_key = KEY_A;
   1.160 +		break;
   1.161 +	case '\b':
   1.162 +		gba_key = KEY_B;
   1.163 +		break;
   1.164 +
   1.165 +	case ',':
   1.166 +		gba_key = KEY_SELECT;
   1.167 +		break;
   1.168 +	case '.':
   1.169 +		gba_key = KEY_START;
   1.170 +		break;
   1.171 +
   1.172 +	case '[':
   1.173 +		gba_key = KEY_L;
   1.174 +		break;
   1.175 +	case ']':
   1.176 +		gba_key = KEY_R;
   1.177 +		break;
   1.178 +
   1.179 +	default:
   1.180 +		return;
   1.181 +	}
   1.182 +
   1.183 +	keystate |= gba_key;
   1.184 +	game_keyb(gba_key, state);
   1.185 +}