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#include <SDL/SDL.h>
#include "common.h"
#include "frontend/main.h"
#include "frontend/plat.h"
#include "frontend/scale.h"
#include "frontend/libpicofe/menu.h"
#include "frontend/libpicofe/plat.h"
#include "frontend/libpicofe/input.h"
#include "frontend/libpicofe/in_sdl.h"
static SDL_Surface* screen;
#define BUF_LEN 16384
static short buf[BUF_LEN];
static int buf_w, buf_r;
static char msg[HUD_LEN];
static const struct in_default_bind in_sdl_defbinds[] = {
{ SDLK_UP, IN_BINDTYPE_PLAYER12, KBIT_UP },
{ SDLK_DOWN, IN_BINDTYPE_PLAYER12, KBIT_DOWN },
{ SDLK_LEFT, IN_BINDTYPE_PLAYER12, KBIT_LEFT },
{ SDLK_RIGHT, IN_BINDTYPE_PLAYER12, KBIT_RIGHT },
{ SDLK_LCTRL, IN_BINDTYPE_PLAYER12, KBIT_B },
{ SDLK_SPACE, IN_BINDTYPE_PLAYER12, KBIT_A },
{ SDLK_RETURN, IN_BINDTYPE_PLAYER12, KBIT_START },
{ SDLK_RCTRL, IN_BINDTYPE_PLAYER12, KBIT_SELECT },
{ SDLK_TAB, IN_BINDTYPE_PLAYER12, KBIT_L },
{ SDLK_BACKSPACE, IN_BINDTYPE_PLAYER12, KBIT_R },
{ SDLK_ESCAPE, IN_BINDTYPE_EMU, EACTION_MENU },
{ 0, 0, 0 }
};
const struct menu_keymap in_sdl_key_map[] =
{
{ SDLK_UP, PBTN_UP },
{ SDLK_DOWN, PBTN_DOWN },
{ SDLK_LEFT, PBTN_LEFT },
{ SDLK_RIGHT, PBTN_RIGHT },
{ SDLK_SPACE, PBTN_MOK },
{ SDLK_LCTRL, PBTN_MBACK },
{ SDLK_LALT, PBTN_MA2 },
{ SDLK_LSHIFT, PBTN_MA3 },
{ SDLK_TAB, PBTN_L },
{ SDLK_BACKSPACE, PBTN_R },
};
const struct menu_keymap in_sdl_joy_map[] =
{
{ SDLK_UP, PBTN_UP },
{ SDLK_DOWN, PBTN_DOWN },
{ SDLK_LEFT, PBTN_LEFT },
{ SDLK_RIGHT, PBTN_RIGHT },
{ SDLK_WORLD_0, PBTN_MOK },
{ SDLK_WORLD_1, PBTN_MBACK },
{ SDLK_WORLD_2, PBTN_MA2 },
{ SDLK_WORLD_3, PBTN_MA3 },
};
static const struct in_pdata in_sdl_platform_data = {
.defbinds = in_sdl_defbinds,
.key_map = in_sdl_key_map,
.kmap_size = array_size(in_sdl_key_map),
.joy_map = in_sdl_joy_map,
.jmap_size = array_size(in_sdl_joy_map),
};
static void *fb_flip(void)
{
SDL_Flip(screen);
return screen->pixels;
}
void plat_video_menu_enter(int is_rom_loaded)
{
}
void plat_video_menu_begin(void)
{
g_menuscreen_ptr = fb_flip();
}
void plat_video_menu_end(void)
{
g_menuscreen_ptr = fb_flip();
}
void plat_video_menu_leave(void)
{
SDL_LockSurface(screen);
memset(g_menuscreen_ptr, 0, 320 * 240 * sizeof(uint16_t));
SDL_UnlockSurface(screen);
g_menuscreen_ptr = fb_flip();
SDL_LockSurface(screen);
memset(g_menuscreen_ptr, 0, 320 * 240 * sizeof(uint16_t));
SDL_UnlockSurface(screen);
}
void plat_video_open(void)
{
}
void plat_video_set_msg(char *new_msg)
{
snprintf(msg, HUD_LEN, "%s", new_msg);
}
void plat_video_flip(void)
{
video_post_process();
SDL_LockSurface(screen);
if (msg[0])
video_clear_msg(screen->pixels, screen->h, screen->pitch / sizeof(uint16_t));
video_scale(screen->pixels, screen->h, screen->pitch / sizeof(uint16_t));
if (msg[0])
video_print_msg(screen->pixels, screen->h, screen->pitch / sizeof(uint16_t), msg);
SDL_UnlockSurface(screen);
g_menuscreen_ptr = fb_flip();
msg[0] = 0;
}
void plat_video_close(void)
{
}
void plat_sound_callback(void *unused, u8 *stream, int len)
{
short *p = (short *)stream;
len /= sizeof(short);
while (buf_r != buf_w && len > 0) {
*p++ = buf[buf_r++];
buf_r %= BUF_LEN;
--len;
}
while(len > 0) {
*p++ = 0;
--len;
}
}
void plat_sound_finish(void)
{
SDL_PauseAudio(1);
SDL_CloseAudio();
}
int plat_sound_init(void)
{
if (SDL_InitSubSystem(SDL_INIT_AUDIO)) {
return -1;
}
SDL_AudioSpec spec;
spec.freq = sound_frequency;
spec.format = AUDIO_S16;
spec.channels = 2;
spec.samples = 512;
spec.callback = plat_sound_callback;
if (SDL_OpenAudio(&spec, NULL) < 0) {
plat_sound_finish();
return -1;
}
SDL_PauseAudio(0);
return 0;
}
float plat_sound_capacity(void)
{
int buffered = 0;
if (buf_w != buf_r) {
buffered = buf_w > buf_r ? buf_w - buf_r : (buf_w + BUF_LEN) - buf_r;
}
return 1.0 - (float)buffered / BUF_LEN;
}
void plat_sound_write(void *data, int bytes)
{
short *sound_data = (short *)data;
SDL_LockAudio();
while (bytes > 0) {
while (((buf_w + 1) % BUF_LEN) == buf_r) {
SDL_UnlockAudio();
if (!limit_frames)
return;
plat_sleep_ms(1);
SDL_LockAudio();
}
buf[buf_w] = *sound_data++;
++buf_w;
buf_w %= BUF_LEN;
bytes -= sizeof(short);
}
SDL_UnlockAudio();
}
void plat_sdl_event_handler(void *event_)
{
}
int plat_init(void)
{
SDL_Init(SDL_INIT_VIDEO);
screen = SDL_SetVideoMode(320, 240, 16, SDL_SWSURFACE);
if (screen == NULL) {
printf("%s, failed to set video mode\n", __func__);
return -1;
}
SDL_ShowCursor(0);
g_menuscreen_w = 320;
g_menuscreen_h = 240;
g_menuscreen_pp = 320;
g_menuscreen_ptr = fb_flip();
if (in_sdl_init(&in_sdl_platform_data, plat_sdl_event_handler)) {
fprintf(stderr, "SDL input failed to init: %s\n", SDL_GetError());
return -1;
}
in_probe();
if (plat_sound_init()) {
fprintf(stderr, "SDL sound failed to init: %s\n", SDL_GetError());
return -1;
}
return 0;
}
void plat_pre_finish(void)
{
}
void plat_finish(void)
{
plat_sound_finish();
SDL_Quit();
}
void plat_trigger_vibrate(int pad, int low, int high)
{
}
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