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sdl12main.c
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#include <SDL2/SDL.h>
#ifdef DREAMCAST
#include <kos.h>
#include <dc/maple.h>
#include <dc/maple/controller.h>
#endif
#ifdef __XBOX__
#include <hal/debug.h>
#include <hal/video.h>
#include <windows.h>
#include <stdbool.h>
#include <hal/xbox.h>
static int SCREEN_WIDTH;
static int SCREEN_HEIGHT;
#endif
#if CELESTE_P8_ENABLE_AUDIO
#include "SDL_mixer.h" //fake_mixer
//#include "mixer_ogg.h"
#endif
#if SDL_MAJOR_VERSION >= 2
#include "sdl20compat.inc.c"
#else
#define SDL_Log printf
#endif
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <time.h>
#include "celeste.h"
#ifdef N3DS_DEBUG
#include <3ds.h>
#endif
static void ErrLog(char* fmt, ...)
{
FILE* f = stderr;
va_list ap;
va_start(ap, fmt);
vfprintf(f, fmt, ap);
va_end(ap);
if (f != stderr && f != stdout)
{
fclose(f);
}
}
SDL_Surface* screen = NULL;
SDL_Surface* gfx = NULL;
SDL_Surface* font = NULL;
#if CELESTE_P8_ENABLE_AUDIO
Mix_Chunk* snd[64] = {NULL};
Mix_Music* mus[6] = {NULL};
#endif
#define PICO8_W 128
#define PICO8_H 128
#if defined (__NGAGE__) || defined (__3DS__)
static int scale = 1;
#elif defined (__PSP__)
static int scale = 2;
#elif defined (NGAGE_DEBUG)
static int scale = 3;
#elif defined (__PSP__)
static int scale = 2;
#elif defined (__XBOX__)
static int scale = 1;
#elif defined (DREAMCAST)
static int scale = 1;
#else
static int scale = 4;
#endif
#if defined (__PSP__)
#define AUDIO_FREQ 44100
#else
#define AUDIO_FREQ 22050
#endif
static const SDL_Color base_palette[16] =
{
{ 0x00, 0x00, 0x00 },
{ 0x1d, 0x2b, 0x53 },
{ 0x7e, 0x25, 0x53 },
{ 0x00, 0x87, 0x51 },
{ 0xab, 0x52, 0x36 },
{ 0x5f, 0x57, 0x4f },
{ 0xc2, 0xc3, 0xc7 },
{ 0xff, 0xf1, 0xe8 },
{ 0xff, 0x00, 0x4d },
{ 0xff, 0xa3, 0x00 },
{ 0xff, 0xec, 0x27 },
{ 0x00, 0xe4, 0x36 },
{ 0x29, 0xad, 0xff },
{ 0x83, 0x76, 0x9c },
{ 0xff, 0x77, 0xa8 },
{ 0xff, 0xcc, 0xaa }
};
static SDL_Color palette[16];
static Uint32 map[16];
#define getcolor(col) map[col % 16]
static void SetPaletteEntry(char idx, char base_idx)
{
palette[idx] = base_palette[base_idx];
//map[idx] = SDL_MapRGB(screen->format, palette[idx].r, palette[idx].g, palette[idx].b);
map[idx] = SDL_MapRGB(screen->format, palette[idx].b, palette[idx].g, palette[idx].r);
}
static void RefreshPalette(void)
{
int i;
for (i = 0; i < SDL_arraysize(map); i++)
{
//map[i] = SDL_MapRGB(screen->format, palette[i].r, palette[i].g, palette[i].b);
map[i] = SDL_MapRGB(screen->format, palette[i].b, palette[i].g, palette[i].r);
}
}
static void ResetPalette(void)
{
SDL_memcpy(palette, base_palette, sizeof palette);
RefreshPalette();
}
static char* GetDataPath(char* path, int n, const char* fname)
{
#ifdef _WIN32
char pathsep = '\\';
#else
char pathsep = '/';
#endif //_WIN32
#if defined (__NGAGE__)
SDL_snprintf(path, n, "E:\\System\\Apps\\Celeste\\data\\%s", fname);
#elif defined(__XBOX__)
SDL_snprintf(path, n, "D:\\data\\%s", fname);
#elif defined(DREAMCAST)
SDL_snprintf(path, n, "/cd/data/%s", fname);
#else
SDL_snprintf(path, n, "data%c%s", pathsep, fname);
#endif
return path;
}
static Uint32 getpixel(SDL_Surface *surface, int x, int y)
{
int bpp = surface->format->BytesPerPixel;
/* Here p is the address to the pixel we want to retrieve */
Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
switch(bpp)
{
case 1:
return *p;
case 2:
return *(Uint16 *)p;
case 3:
if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
{
return p[0] << 16 | p[1] << 8 | p[2];
}
else
{
return p[0] | p[1] << 8 | p[2] << 16;
}
case 4:
return *(Uint32 *)p;
default:
return 0;
}
}
static void loadbmpscale(char* filename, SDL_Surface** s)
{
SDL_Surface *surf = *s;
char tmpath[4096];
SDL_Surface* bmp;
int w, h;
unsigned char* data;
int y;
if (surf)
{
SDL_FreeSurface(surf), surf = *s = NULL;
}
bmp = SDL_LoadBMP(GetDataPath(tmpath, sizeof tmpath, filename));
if (! bmp)
{
ErrLog("error loading bmp '%s': %s\n", filename, SDL_GetError());
return;
}
w = bmp->w;
h = bmp->h;
surf = SDL_CreateRGBSurface(SDL_SWSURFACE, w*scale, h*scale, 8, 0,0,0,0);
assert(surf != NULL);
data = surf->pixels;
/*memcpy((_S)->format->palette->colors, base_palette, 16*sizeof(SDL_Color));*/
for (y = 0; y < h; y++)
{
int x;
for (x = 0; x < w; x++)
{
unsigned char pix = getpixel(bmp, x, y);
int i;
for (i = 0; i < scale; i++)
{
int j;
for (j = 0; j < scale; j++)
{
data[x*scale+i + (y*scale+j)*w*scale] = pix;
}
}
}
}
SDL_FreeSurface(bmp);
SDL_SetPalette(surf, SDL_PHYSPAL | SDL_LOGPAL, (SDL_Color*)base_palette, 0, 16);
SDL_SetColorKey(surf, SDL_SRCCOLORKEY, 0);
*s = surf;
}
#define LOGLOAD(w) SDL_Log("loading %s...", w)
#define LOGDONE() SDL_Log("done")
//setup vmu display image
#include <dc/maple.h>
#include <dc/maple/controller.h>
#include <dc/maple/vmu.h>
#include "vmu0.xpm"
int vmu_task = 0; //bool
/* LCD Test: this will do a grayscale seperation into several "frames" and
flip through them quickly to give the illusion of grayscale on the LCD
display. */
uint8 lcd_disp[8][48 * 32 / 8];
void lcd_gs_pixel(int x, int y, int amt) {
int i;
for(i = 0; i < amt; i++)
lcd_disp[i][(y * 48 + x) / 8] |= 0x80 >> (x & 7);
}
void lcd_gs_setup() {
char **xpm = graphic_xpm + 12; // Skip header
int x, y;
memset(lcd_disp, 0, sizeof(lcd_disp));
for(y = 0; y < 32; y++) {
for(x = 0; x < 48; x++) {
// Note that LCD images must be flipped!
int pixel = xpm[31 - y][47 - x];
switch(pixel) {
case ' ': /* White */
lcd_gs_pixel(x, y, 1);
break;
case '.': /* #e3e3e3 */
//lcd_gs_pixel(x, y, 1);
break;
case 'X': /* #c7c7c7 */
//lcd_gs_pixel(x, y, 2);
break;
case 'o': /* #aaaaaa */
//lcd_gs_pixel(x, y, 3);
break;
case 'O': /* #8e8e8e */
case '+': /* #727272 */
//lcd_gs_pixel(x, y, 4);
break;
case '$': /* #555555 */
//lcd_gs_pixel(x, y, 5);
break;
case '*': /* #393939 */
//lcd_gs_pixel(x, y, 6);
break;
case '&': /* #1d1d1d */
case '%': /* #000000 */
//lcd_gs_pixel(x, y, 7);
break;
}
}
}
}
// This performs the actual magic
void lcd_test() {
lcd_gs_setup();
while(vmu_task == 0) {
maple_device_t *addr = maple_enum_type(0, MAPLE_FUNC_LCD);
printf(">> CHECKING VMU: %d\n", addr);
if(addr != 0) { // check if vmu is connected
int rv = vmu_draw_lcd(addr, lcd_disp);
if(rv < 0)
printf("got error %d\n", rv);
else {
//printf("mounted vmu successfully %d\n", rv);
vmu_task = 1;
break;
}
} else {
vmu_task = 1;
printf(">> VMU NOT FOUND! \n");
}
}
}
static void LoadData(void)
{
#if CELESTE_P8_ENABLE_AUDIO
static const char sndids[] = {0,1,2,3,4,5,6,7,8,9,13,14,15,16,23,35,37,38,40,50,51,54,55};
static const char musids[] = {0,10,20,30,40};
int iid;
#endif
LOGLOAD("gfx.bmp");
loadbmpscale("gfx.bmp", &gfx);
LOGDONE();
LOGLOAD("font.bmp");
loadbmpscale("font.bmp", &font);
LOGDONE();
#if CELESTE_P8_ENABLE_AUDIO
for (iid = 0; iid < sizeof sndids; iid++)
{
int id = sndids[iid];
char fname[20];
char path[4096];
SDL_snprintf(fname, 20, "snd%i.wav", id);
LOGLOAD(fname);
GetDataPath(path, sizeof path, fname);
snd[id] = Mix_LoadWAV(path);
if (! snd[id])
{
ErrLog("snd%i: Mix_LoadWAV: %s\n", id, Mix_GetError());
}
LOGDONE();
}
for (iid = 0; iid < sizeof musids; iid++)
{
int id = musids[iid];
char fname[20];
char path[4096];
SDL_snprintf(fname, 20, "mus%i.adx", id);
LOGLOAD(fname);
GetDataPath(path, sizeof path, fname);
mus[id/10] = Mix_LoadMUS(path);
if (!mus[id/10])
{
ErrLog("mus%i: Mix_LoadMUS: %s\n", id, Mix_GetError());
}
LOGDONE();
}
#endif
}
#include "tilemap.h"
static Uint16 buttons_state = 0;
#define SDL_CHECK(r) do { \
if (!(r)) { \
ErrLog("%s:%i, fatal error: `%s` -> %s\n", \
__FILE__, __LINE__, #r, SDL_GetError()); \
exit(2); \
} \
} while(0)
static void p8_rectfill(int x0, int y0, int x1, int y1, int col);
static void p8_print(const char* str, int x, int y, int col);
//on-screen display (for info, such as loading a state, toggling screenshake, toggling fullscreen, etc)
static char osd_text[200] = "";
static int osd_timer = 0;
static void OSDset(const char* fmt, ...)
{
va_list ap;
va_start(ap, fmt);
SDL_vsnprintf(osd_text, sizeof osd_text, fmt, ap);
osd_text[sizeof osd_text - 1] = '\0'; //make sure to add NUL terminator in case of truncation
SDL_Log("%s", osd_text);
osd_timer = 30;
va_end(ap);
}
static void OSDdraw(void)
{
if (osd_timer > 0)
{
--osd_timer;
}
if (osd_timer > 0)
{
const int x = 4;
const int y = 120 + (osd_timer < 10 ? 10-osd_timer : 0); //disappear by going below the screen
p8_rectfill(x-2, y-2, x+4*(int)SDL_strlen(osd_text), y+6, 6); //outline
p8_rectfill(x-1, y-1, x+4*(int)SDL_strlen(osd_text)-1, y+5, 0);
p8_print(osd_text, x, y, 7);
}
}
#if CELESTE_P8_ENABLE_AUDIO
static Mix_Music* current_music = NULL;
#endif
static _Bool enable_screenshake = 1;
static _Bool paused = 0;
static _Bool running = 1;
static void* initial_game_state = NULL;
static void* game_state = NULL;
#if CELESTE_P8_ENABLE_AUDIO
static Mix_Music* game_state_music = NULL;
#endif
static void mainLoop(void);
static FILE* TAS = NULL;
int main(int argc, char** argv)
{
int pico8emu(CELESTE_P8_CALLBACK_TYPE call, ...);
int videoflag = SDL_SWSURFACE | SDL_ANYFORMAT;
int initflag = SDL_INIT_VIDEO;
#if CELESTE_P8_ENABLE_AUDIO
//int mixflag = MIX_INIT_OGG;
int i;
initflag |= SDL_INIT_AUDIO;
#endif
SDL_CHECK(SDL_Init(initflag) == 0);
#if SDL_MAJOR_VERSION >= 2 && ! defined (__NGAGE__) && ! defined (NGAGE_DEBUG)
SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER);
SDL_GameControllerAddMappingsFromRW(SDL_RWFromFile("gamecontrollerdb.txt", "rb"), 1);
#endif
#ifdef N3DS_DEBUG
consoleInit(GFX_BOTTOM, NULL);
#endif
#if defined (__NGAGE__) || defined (NGAGE_DEBUG)
printf("__NGAGE__\n");
SDL_CHECK(screen = SDL_SetVideoMode(176 * scale, 208 * scale, 32, videoflag));
#elif defined (__3DS__)
printf("__3DS__\n");
SDL_CHECK(screen = SDL_SetVideoMode(400, 240, 32, videoflag));
#elif defined (__PSP__)
printf("__PSP__\n");
SDL_CHECK(screen = SDL_SetVideoMode(480, 272, 32, videoflag));
#elif defined (__XBOX__)
printf("__XBOX__\n");
SDL_CHECK(screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, 32, videoflag));
#elif defined (DREAMCAST)
printf("DREAMCAST Video\n");
SDL_CHECK(screen = SDL_SetVideoMode(PICO8_W*scale, PICO8_H*scale, 32, videoflag));
#else
printf("ANY\n");
SDL_CHECK(screen = SDL_SetVideoMode(PICO8_W*scale, PICO8_H*scale, 32, videoflag));
#endif
SDL_WM_SetCaption("Celeste", NULL);
#if CELESTE_P8_ENABLE_AUDIO
/*if (Mix_Init(mixflag) != mixflag)
{
ErrLog("Mix_Init: %s\n", Mix_GetError());
}*/
if (Mix_OpenAudio(AUDIO_FREQ, AUDIO_S16SYS, 1, 1024) < 0)
{
ErrLog("Mix_Init: %s\n", Mix_GetError());
}
#endif
ResetPalette();
SDL_ShowCursor(0);
if (argc > 1)
{
TAS = fopen(argv[1], "r");
if (!TAS)
{
SDL_Log("couldn't open TAS file '%s': %s", argv[1], strerror(errno));
}
}
SDL_Log("game state size %gkb", Celeste_P8_get_state_size()/1024.);
//SDL_Log("Ported to Dreamcast Memorix101");
//SDL_Delay(3000);
SDL_Log("now loading...");
{
const unsigned char loading_bmp[] = {
0x42, 0x4d, 0xca, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x82, 0x00,
0x00, 0x00, 0x6c, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x09, 0x00,
0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00,
0x00, 0x00, 0x23, 0x2e, 0x00, 0x00, 0x23, 0x2e, 0x00, 0x00, 0x02, 0x00,
0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x42, 0x47, 0x52, 0x73, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
0x00, 0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0x00, 0x00, 0x66, 0x3e, 0xf1, 0x24, 0xf0, 0x00, 0x00, 0x00, 0x49, 0x44,
0x92, 0x24, 0x90, 0x00, 0x00, 0x00, 0x49, 0x3c, 0x92, 0x24, 0x90, 0x00,
0x00, 0x00, 0x49, 0x04, 0x92, 0x24, 0x90, 0x00, 0x00, 0x00, 0x46, 0x38,
0xf0, 0x3c, 0xf0, 0x00, 0x00, 0x00, 0x40, 0x00, 0x12, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc0, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00
};
SDL_RWops* rw = SDL_RWFromConstMem(loading_bmp, sizeof loading_bmp);
SDL_Surface* loading = SDL_LoadBMP_RW(rw, 1);
#if defined (__XBOX__)
SDL_Rect rc = {45, 60};
#elif defined (DREAMCAST)
SDL_Rect rc = {50, 60};
#else
SDL_Rect rc = {60, 60};
#endif
if (!loading)
{
#if defined (__XBOX__)
Sleep(1000);
#elif defined (DREAMCAST)
//SDL_Delay(1000);
#endif
goto skip_load;
}
SDL_BlitSurface(loading, NULL, screen, &rc);
SDL_Flip(screen);
SDL_FreeSurface(loading);
}
skip_load:
LoadData();
lcd_test();
Celeste_P8_set_call_func(pico8emu);
//for reset
initial_game_state = SDL_malloc(Celeste_P8_get_state_size());
if (initial_game_state)
{
Celeste_P8_save_state(initial_game_state);
}
if (TAS)
{
// a consistent seed for tas playback
Celeste_P8_set_rndseed(8);
}
else
{
Celeste_P8_set_rndseed((unsigned)(time(NULL) + SDL_GetTicks()));
}
Celeste_P8_init();
SDL_Log("ready");
{
FILE* start_fullscreen_f = fopen("ccleste-start-fullscreen.txt", "r");
const char* start_fullscreen_v = SDL_getenv("CCLESTE_START_FULLSCREEN");
if (start_fullscreen_f || (start_fullscreen_v && *start_fullscreen_v))
{
SDL_WM_ToggleFullScreen(screen);
}
if (start_fullscreen_f)
{
fclose(start_fullscreen_f);
}
}
#if !defined(EMSCRIPTEN)
while (running) {
mainLoop();
}
#else
#include <emscripten.h>
//FIXME: this assumes that the display refreshes at 60Hz
emscripten_set_main_loop(mainLoop, 0, 0);
emscripten_set_main_loop_timing(EM_TIMING_RAF, 2);
return 0;
#endif
if (game_state)
{
SDL_free(game_state);
}
if (initial_game_state)
{
SDL_free(initial_game_state);
}
SDL_FreeSurface(gfx);
SDL_FreeSurface(font);
#if CELESTE_P8_ENABLE_AUDIO
for (i = 0; i < (sizeof snd)/(sizeof *snd); i++)
{
if (snd[i])
{
Mix_FreeChunk(snd[i]);
}
}
for (i = 0; i < (sizeof mus)/(sizeof *mus); i++)
{
if (mus[i])
{
Mix_FreeMusic(mus[i]);
}
}
Mix_CloseAudio();
//Mix_Quit();
#endif
SDL_Quit();
return 0;
}
#if SDL_MAJOR_VERSION >= 2
/* These inputs aren't sent to the game. */
enum {
PSEUDO_BTN_SAVE_STATE = 6,
PSEUDO_BTN_LOAD_STATE = 7,
PSEUDO_BTN_EXIT = 8,
PSEUDO_BTN_PAUSE = 9,
};
static void ReadGamepadInput(Uint16* out_buttons);
#endif
static void mainLoop(void)
{
const Uint8* kbstate = SDL_GetKeyState(NULL);
static int reset_input_timer = 0;
Uint16 prev_buttons_state = buttons_state;
SDL_Event ev;
//hold F9 (select+start+y) to reset
if (initial_game_state != NULL && kbstate[SDLK_F9])
{
reset_input_timer++;
if (reset_input_timer >= 30)
{
reset_input_timer=0;
//reset
OSDset("reset");
paused = 0;
Celeste_P8_load_state(initial_game_state);
Celeste_P8_set_rndseed((unsigned)(time(NULL) + SDL_GetTicks()));
#if CELESTE_P8_ENABLE_AUDIO
Mix_HaltChannel(-1);
Mix_HaltMusic();
#endif
Celeste_P8_init();
}
}
else
{
reset_input_timer = 0;
}
prev_buttons_state = buttons_state;
buttons_state = 0;
#if SDL_MAJOR_VERSION >= 2 && ! defined (__NGAGE__) && ! defined (NGAGE_DEBUG)
SDL_GameControllerUpdate();
ReadGamepadInput(&buttons_state);
if (!((prev_buttons_state >> PSEUDO_BTN_PAUSE) & 1) && (buttons_state >> PSEUDO_BTN_PAUSE) & 1)
{
goto toggle_pause;
}
if (!((prev_buttons_state >> PSEUDO_BTN_EXIT) & 1) && (buttons_state >> PSEUDO_BTN_EXIT) & 1)
{
goto press_exit;
}
if (!((prev_buttons_state >> PSEUDO_BTN_SAVE_STATE) & 1) && (buttons_state >> PSEUDO_BTN_SAVE_STATE) & 1)
{
goto save_state;
}
if (!((prev_buttons_state >> PSEUDO_BTN_LOAD_STATE) & 1) && (buttons_state >> PSEUDO_BTN_LOAD_STATE) & 1)
{
goto load_state;
}
#endif
while (SDL_PollEvent(&ev))
{
switch (ev.type)
{
case SDL_QUIT:
running = 0;
break;
case SDL_KEYDOWN:
{
#if SDL_MAJOR_VERSION >= 2
if (ev.key.repeat) //no key repeat
{
break;
}
#endif
if (ev.key.keysym.sym == SDLK_ESCAPE) //do pause
{
toggle_pause:
#if CELESTE_P8_ENABLE_AUDIO
if (paused)
{
Mix_Resume(-1);
Mix_ResumeMusic();
}
else
{
Mix_Pause(-1);
Mix_PauseMusic();
}
#endif
paused = !paused;
break;
}
else if (ev.key.keysym.sym == SDLK_DELETE) //exit
{
press_exit:
running = 0;
#if defined (__XBOX__)
XReboot();
#endif
break;
}
else if (ev.key.keysym.sym == SDLK_F11 && !(kbstate[SDLK_LSHIFT] || kbstate[SDLK_ESCAPE]))
{
if (SDL_WM_ToggleFullScreen(screen)) //this doesn't work on windows..
{
OSDset("toggle fullscreen");
}
screen = SDL_GetVideoSurface();
RefreshPalette();
break;
}
else if (0 && ev.key.keysym.sym == SDLK_5)
{
Celeste_P8__DEBUG();
break;
}
#if defined (__NGAGE__)
else if (ev.key.keysym.sym == SDLK_s) //save state
#else
else if (ev.key.keysym.sym == SDLK_s && kbstate[SDLK_LSHIFT]) //save state
#endif
{
save_state:
game_state = game_state ? game_state : SDL_malloc(Celeste_P8_get_state_size());
if (game_state)
{
OSDset("save state");
Celeste_P8_save_state(game_state);
#if CELESTE_P8_ENABLE_AUDIO
game_state_music = current_music;
#endif
}
break;
}
#if defined (__NGAGE__)
else if (ev.key.keysym.sym == SDLK_d) //load state
#else
else if (ev.key.keysym.sym == SDLK_d && kbstate[SDLK_LSHIFT]) //load state
#endif
{
load_state:
if (game_state)
{
OSDset("load state");
#if CELESTE_P8_ENABLE_AUDIO
if (paused)
{
paused = 0;
Mix_Resume(-1);
Mix_ResumeMusic();
}
#endif
Celeste_P8_load_state(game_state);
#if CELESTE_P8_ENABLE_AUDIO
if (current_music != game_state_music)
{
Mix_HaltMusic();
current_music = game_state_music;
if (game_state_music)
{
Mix_PlayMusic(game_state_music, -1);
}
}
#endif
}
break;
}
else if (ev.key.keysym.sym == SDLK_e) //toggle screenshake (e / L+R)
{
enable_screenshake = !enable_screenshake;
OSDset("screenshake: %s", enable_screenshake ? "on" : "off");
}
}
break;
}
}
if (! TAS)
{
if (kbstate[SDLK_LEFT]) buttons_state |= (1<<0);
if (kbstate[SDLK_RIGHT]) buttons_state |= (1<<1);
if (kbstate[SDLK_UP]) buttons_state |= (1<<2);
if (kbstate[SDLK_DOWN]) buttons_state |= (1<<3);
if (kbstate[SDLK_z] || kbstate[SDLK_c] || kbstate[SDLK_n]) buttons_state |= (1<<4);
if (kbstate[SDLK_x] || kbstate[SDLK_v] || kbstate[SDLK_m]) buttons_state |= (1<<5);
}
else if (TAS && !paused)
{
static int t = 0;
t++;
if (t==1)
{
buttons_state = 1 << 4;
}
else if (t > 80)
{
int btn;
fscanf(TAS, "%d,", &btn);
buttons_state = btn;
}
else
{
buttons_state = 0;
}
}
if (paused)
{
const int x0 = PICO8_W/2-3*4, y0 = 8;
p8_rectfill(x0-1,y0-1, 6*4+x0+1,6+y0+1, 6);
p8_rectfill(x0,y0, 6*4+x0,6+y0, 0);
p8_print("paused", x0+1, y0+1, 7);
}
else
{
Celeste_P8_update();
Celeste_P8_draw();
}
OSDdraw();
SDL_Flip(screen);
#ifdef EMSCRIPTEN //emscripten_set_main_loop already sets the fps
SDL_Delay(1);
#else
{
#if ! defined (__NGAGE__)
static int t = 0;
static unsigned frame_start = 0;
unsigned frame_end = SDL_GetTicks();
unsigned frame_time = frame_end-frame_start;
unsigned target_millis;
// frame timing for 30fps is 33.333... ms, but we only have integer granularity
// so alternate between 33 and 34 ms, like [33,33,34,33,33,34,...] which averages out to 33.333...
if (t < 2)
{
target_millis = 33;
}
else
{
target_millis = 34;
}
if (++t == 3)
{
t = 0;
}
if (frame_time < target_millis)
{
SDL_Delay(target_millis - frame_time);
}
frame_start = SDL_GetTicks();
#endif
}
#endif
}
static int gettileflag(int, int);
static void p8_line(int,int,int,int,unsigned char);
//lots of code from https://github.com/SDL-mirror/SDL/blob/bc59d0d4a2c814900a506d097a381077b9310509/src/video/SDL_surface.c#L625
//coordinates should be scaled already
static inline void Xblit(SDL_Surface* src, SDL_Rect* srcrect, SDL_Surface* dst, SDL_Rect* dstrect, int color, int flipx, int flipy)
{
SDL_Rect fulldst;
int srcx, srcy, w, h;
assert(src && dst && !src->locked && !dst->locked);
assert(src->format->BitsPerPixel == 8);
assert(dst->format->BytesPerPixel == 2 || dst->format->BytesPerPixel == 4);
/* If the destination rectangle is NULL, use the entire dest surface */
if (!dstrect)
{
dstrect = (fulldst = (SDL_Rect){0,0,dst->w,dst->h}, &fulldst);
}
/* clip the source rectangle to the source surface */
if (srcrect)
{
int maxw, maxh;
srcx = srcrect->x;
w = srcrect->w;
if (srcx < 0)
{
w += srcx;
dstrect->x -= srcx;
srcx = 0;
}
maxw = src->w - srcx;
if (maxw < w)
{
w = maxw;
}
srcy = srcrect->y;
h = srcrect->h;
if (srcy < 0)
{
h += srcy;
dstrect->y -= srcy;
srcy = 0;
}
maxh = src->h - srcy;
if (maxh < h)
{
h = maxh;
}
}
else
{
srcx = srcy = 0;
w = src->w;
h = src->h;
}
/* clip the destination rectangle against the clip rectangle */
{
SDL_Rect *clip = &dst->clip_rect;
int dx, dy;
dx = clip->x - dstrect->x;
if (dx > 0)
{
w -= dx;
dstrect->x += dx;
srcx += dx;
}
dx = dstrect->x + w - clip->x - clip->w;
if (dx > 0)
{
w -= dx;
}
dy = clip->y - dstrect->y;
if (dy > 0)
{
h -= dy;
dstrect->y += dy;
srcy += dy;
}
dy = dstrect->y + h - clip->y - clip->h;
if (dy > 0)
{
h -= dy;
}
}