/* Copyright (C) 2020 SovietPony
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License ONLY.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#ifdef __EMSCRIPTEN__
# include
#endif
#include
#include
#include
#include // srand exit
#include
#include "system.h"
#include "input.h"
#include "player.h" // pl1 pl2
#include "menu.h" // G_keyf
#include "error.h" // logo
#include "monster.h" // nomon
#include "files.h" // F_startup F_addwad F_initwads F_allocres
#include "config.h" // CFG_args CFG_load CFG_save
#include "args.h" // ARG_parse
#include "memory.h" // M_startup
#include "game.h" // G_init G_act
#include "sound.h" // S_init S_done
#include "music.h" // S_initmusic S_updatemusic S_donemusic
#include "render.h" // R_init R_draw R_done
#define MODE_NONE 0
#define MODE_OPENGL 1
#define MODE_SOFTWARE 2
static Uint32 ticks;
static int quit = 0;
static SDL_Surface *surf = NULL;
static int mode = MODE_NONE;
static int text_input;
static videomode_t vlist;
static const cfg_t arg[] = {
{"file", NULL, Y_FILES},
{"cheat", &cheat, Y_SW_ON},
// {"vga", &shot_vga, Y_SW_ON},
// {"musvol", &mus_vol, Y_WORD},
{"mon", &nomon, Y_SW_OFF},
{"warp", &_warp, Y_BYTE},
// {"config", NULL, cfg_file, Y_STRING},
{NULL, NULL, 0} // end
};
static const cfg_t cfg[] = {
// {"screenshot", &shot_vga, Y_SW_ON},
// {"music_volume", &mus_vol, Y_WORD},
// {"music_random", &music_random, Y_SW_ON},
// {"music_time", &music_time, Y_DWORD},
// {"music_fade", &music_fade, Y_DWORD},
{"pl1_left", &pl1.kl, Y_KEY},
{"pl1_right",&pl1.kr, Y_KEY},
{"pl1_up", &pl1.ku, Y_KEY},
{"pl1_down", &pl1.kd, Y_KEY},
{"pl1_jump", &pl1.kj, Y_KEY},
{"pl1_fire", &pl1.kf, Y_KEY},
{"pl1_next", &pl1.kwr, Y_KEY},
{"pl1_prev", &pl1.kwl, Y_KEY},
{"pl1_use", &pl1.kp, Y_KEY},
{"pl2_left", &pl2.kl, Y_KEY},
{"pl2_right", &pl2.kr, Y_KEY},
{"pl2_up", &pl2.ku, Y_KEY},
{"pl2_down", &pl2.kd, Y_KEY},
{"pl2_jump", &pl2.kj, Y_KEY},
{"pl2_fire", &pl2.kf, Y_KEY},
{"pl2_next", &pl2.kwr, Y_KEY},
{"pl2_prev", &pl2.kwl, Y_KEY},
{"pl2_use", &pl2.kp, Y_KEY},
{NULL, NULL, 0} // end
};
static void CFG_args (int argc, char **argv) {
const cfg_t *list[] = { arg, R_args(), S_args(), MUS_args() };
ARG_parse(argc, argv, 4, list);
}
static void CFG_load (void) {
const cfg_t *list[] = { cfg, R_conf(), S_conf(), MUS_conf() };
CFG_read_config("default.cfg", 4, list);
CFG_read_config("doom2d.cfg", 4, list);
}
static void CFG_save (void) {
const cfg_t *list[] = { cfg, R_conf(), S_conf(), MUS_conf() };
CFG_update_config("doom2d.cfg", "doom2d.cfg", 4, list, "generated by doom2d, do not modify");
}
/* --- error.h --- */
void logo (const char *s, ...) {
va_list ap;
va_start(ap, s);
vprintf(s, ap);
va_end(ap);
fflush(stdout);
}
void logo_gas (int cur, int all) {
// stub
}
void ERR_failinit (char *s, ...) {
va_list ap;
va_start(ap, s);
vprintf(s, ap);
va_end(ap);
puts("");
abort();
}
void ERR_fatal (char *s, ...) {
va_list ap;
R_done();
MUS_done();
S_done();
SDL_Quit();
puts("\nCRITICAL ERROR:");
va_start(ap, s);
vprintf(s, ap);
va_end(ap);
puts("");
abort();
}
void ERR_quit (void) {
quit = 1;
}
/* --- system.h --- */
int Y_set_videomode_opengl (int w, int h, int fullscreen) {
assert(w > 0);
assert(h > 0);
Uint32 flags;
SDL_Surface *s;
if (mode == MODE_OPENGL && surf->w == w && surf->h == h && Y_get_fullscreen() == fullscreen) {
s = surf;
} else {
flags = SDL_DOUBLEBUF | SDL_OPENGL;
if (fullscreen) {
flags = flags | SDL_FULLSCREEN;
}
# ifdef WIN32
flags = flags | SDL_RESIZABLE;
# endif
s = SDL_SetVideoMode(w, h, 0, flags);
if (s != NULL) {
mode = MODE_OPENGL;
surf = s;
} else {
logo("Y_set_videomode_opengl: error: %s\n", SDL_GetError());
}
}
return s != NULL;
}
int Y_set_videomode_software (int w, int h, int fullscreen) {
assert(w > 0);
assert(h > 0);
Uint32 flags;
SDL_Surface *s;
if (mode == MODE_OPENGL && surf->w == w && surf->h == h && Y_get_fullscreen() == fullscreen) {
s = surf;
} else {
flags = SDL_DOUBLEBUF | SDL_SWSURFACE | SDL_HWPALETTE;
if (fullscreen) {
flags = flags | SDL_FULLSCREEN;
}
# ifdef WIN32
flags = flags | SDL_RESIZABLE;
# endif
s = SDL_SetVideoMode(w, h, 8, flags);
if (s != NULL) {
mode = MODE_SOFTWARE;
surf = s;
}
}
return s != NULL;
}
static void init_videomode_list (Uint32 flags) {
int i, n;
SDL_Rect **r;
if (vlist.modes != NULL) {
free(vlist.modes);
vlist.modes = NULL;
vlist.n = 0;
}
r = SDL_ListModes(NULL, flags);
if (r == (SDL_Rect **)-1) {
if ((flags & SDL_FULLSCREEN) == 0) {
init_videomode_list(flags | SDL_FULLSCREEN);
}
} else if (r != (SDL_Rect**)0) {
n = 0;
while (r[n] != NULL) {
n++;
}
vlist.modes = malloc(n * sizeof(videomode_size_t));
if (vlist.modes != NULL) {
vlist.n = n;
for (i = 0; i < n; i++) {
vlist.modes[i] = (videomode_size_t) {
.w = r[i]->w,
.h = r[i]->h
};
}
}
}
}
const videomode_t *Y_get_videomode_list_opengl (int fullscreen) {
init_videomode_list(SDL_OPENGL | (fullscreen ? SDL_FULLSCREEN : 0));
return &vlist;
}
const videomode_t *Y_get_videomode_list_software (int fullscreen) {
init_videomode_list(SDL_SWSURFACE | SDL_HWPALETTE | (fullscreen ? SDL_FULLSCREEN : 0));
return &vlist;
}
void Y_get_videomode (int *w, int *h) {
if (mode != MODE_NONE) {
*w = surf->w;
*h = surf->h;
} else {
*w = 0;
*h = 0;
}
}
int Y_videomode_setted (void) {
return mode != MODE_NONE;
}
void Y_unset_videomode (void) {
surf = NULL;
mode = MODE_NONE;
#ifndef __EMSCRIPTEN__
SDL_QuitSubSystem(SDL_INIT_VIDEO);
SDL_InitSubSystem(SDL_INIT_VIDEO);
#endif
}
void Y_set_fullscreen (int fullscreen) {
int fs = Y_get_fullscreen();
if (mode != MODE_NONE && fs != fullscreen) {
if (SDL_WM_ToggleFullScreen(surf) == 0) {
switch (mode) {
case MODE_OPENGL:
Y_set_videomode_opengl(surf->w, surf->h, fullscreen);
break;
case MODE_SOFTWARE:
Y_set_videomode_software(surf->w, surf->h, fullscreen);
break;
}
}
}
}
int Y_get_fullscreen (void) {
return (mode != MODE_NONE) && ((surf->flags & SDL_FULLSCREEN) != 0);
}
void Y_swap_buffers (void) {
assert(mode == MODE_OPENGL);
SDL_GL_SwapBuffers();
}
void Y_get_buffer (byte **buf, int *w, int *h, int *pitch) {
assert(mode == MODE_SOFTWARE);
*buf = surf->pixels;
*w = surf->w;
*h = surf->h;
*pitch = surf->pitch;
}
void Y_set_vga_palette (byte *vgapal) {
int i;
byte *p = vgapal;
assert(vgapal != NULL);
assert(mode == MODE_SOFTWARE);
SDL_Color colors[256];
for (i = 0; i < 256; i++) {
colors[i] = (SDL_Color) {
.r = p[0] * 255 / 63,
.g = p[1] * 255 / 63,
.b = p[2] * 255 / 63
};
p += 3;
}
SDL_SetColors(surf, colors, 0, 256);
}
void Y_repaint_rect (int x, int y, int w, int h) {
assert(mode == MODE_SOFTWARE);
SDL_UpdateRect(surf, x, y, w, h);
}
void Y_repaint (void) {
assert(mode == MODE_SOFTWARE);
SDL_Flip(surf);
}
void Y_enable_text_input (void) {
text_input = 1;
}
void Y_disable_text_input (void) {
text_input = 0;
}
/* --- main --- */
static int sdl_to_key (int code) {
switch (code) {
case SDLK_0: return KEY_0;
case SDLK_1: return KEY_1;
case SDLK_2: return KEY_2;
case SDLK_3: return KEY_3;
case SDLK_4: return KEY_4;
case SDLK_5: return KEY_5;
case SDLK_6: return KEY_6;
case SDLK_7: return KEY_7;
case SDLK_8: return KEY_8;
case SDLK_9: return KEY_9;
case SDLK_a: return KEY_A;
case SDLK_b: return KEY_B;
case SDLK_c: return KEY_C;
case SDLK_d: return KEY_D;
case SDLK_e: return KEY_E;
case SDLK_f: return KEY_F;
case SDLK_g: return KEY_G;
case SDLK_h: return KEY_H;
case SDLK_i: return KEY_I;
case SDLK_j: return KEY_J;
case SDLK_k: return KEY_K;
case SDLK_l: return KEY_L;
case SDLK_m: return KEY_M;
case SDLK_n: return KEY_N;
case SDLK_o: return KEY_O;
case SDLK_p: return KEY_P;
case SDLK_q: return KEY_Q;
case SDLK_r: return KEY_R;
case SDLK_s: return KEY_S;
case SDLK_t: return KEY_T;
case SDLK_u: return KEY_U;
case SDLK_v: return KEY_V;
case SDLK_w: return KEY_W;
case SDLK_x: return KEY_X;
case SDLK_y: return KEY_Y;
case SDLK_z: return KEY_Z;
case SDLK_RETURN: return KEY_RETURN;
case SDLK_ESCAPE: return KEY_ESCAPE;
case SDLK_BACKSPACE: return KEY_BACKSPACE;
case SDLK_TAB: return KEY_TAB;
case SDLK_SPACE: return KEY_SPACE;
case SDLK_MINUS: return KEY_MINUS;
case SDLK_EQUALS: return KEY_EQUALS;
case SDLK_LEFTBRACKET: return KEY_LEFTBRACKET;
case SDLK_RIGHTBRACKET: return KEY_RIGHTBRACKET;
case SDLK_BACKSLASH: return KEY_BACKSLASH;
case SDLK_SEMICOLON: return KEY_SEMICOLON;
case SDLK_QUOTE: return KEY_APOSTROPHE;
case SDLK_BACKQUOTE: return KEY_GRAVE;
case SDLK_COMMA: return KEY_COMMA;
case SDLK_PERIOD: return KEY_PERIOD;
case SDLK_SLASH: return KEY_SLASH;
case SDLK_CAPSLOCK: return KEY_CAPSLOCK;
case SDLK_F1: return KEY_F1;
case SDLK_F2: return KEY_F2;
case SDLK_F3: return KEY_F3;
case SDLK_F4: return KEY_F4;
case SDLK_F5: return KEY_F5;
case SDLK_F6: return KEY_F6;
case SDLK_F7: return KEY_F7;
case SDLK_F8: return KEY_F8;
case SDLK_F9: return KEY_F9;
case SDLK_F10: return KEY_F10;
case SDLK_F11: return KEY_F11;
case SDLK_F12: return KEY_F12;
case SDLK_PRINT: return KEY_PRINTSCREEN;
case SDLK_SCROLLOCK: return KEY_SCROLLLOCK;
case SDLK_PAUSE: return KEY_PAUSE;
case SDLK_INSERT: return KEY_INSERT;
case SDLK_HOME: return KEY_HOME;
case SDLK_PAGEUP: return KEY_PAGEUP;
case SDLK_DELETE: return KEY_DELETE;
case SDLK_END: return KEY_END;
case SDLK_PAGEDOWN: return KEY_PAGEDOWN;
case SDLK_RIGHT: return KEY_RIGHT;
case SDLK_LEFT: return KEY_LEFT;
case SDLK_DOWN: return KEY_DOWN;
case SDLK_UP: return KEY_UP;
case SDLK_NUMLOCK: return KEY_NUMLOCK;
case SDLK_KP_DIVIDE: return KEY_KP_DIVIDE;
case SDLK_KP_MULTIPLY: return KEY_KP_MULTIPLY;
case SDLK_KP_MINUS: return KEY_KP_MINUS;
case SDLK_KP_PLUS: return KEY_KP_PLUS;
case SDLK_KP_ENTER: return KEY_KP_ENTER;
case SDLK_KP0: return KEY_KP_0;
case SDLK_KP1: return KEY_KP_1;
case SDLK_KP2: return KEY_KP_2;
case SDLK_KP3: return KEY_KP_3;
case SDLK_KP4: return KEY_KP_4;
case SDLK_KP5: return KEY_KP_5;
case SDLK_KP6: return KEY_KP_6;
case SDLK_KP7: return KEY_KP_7;
case SDLK_KP8: return KEY_KP_8;
case SDLK_KP9: return KEY_KP_9;
case SDLK_KP_PERIOD: return KEY_KP_PERIOD;
case SDLK_SYSREQ: return KEY_SYSREQ;
case SDLK_LCTRL: return KEY_LCTRL;
case SDLK_LSHIFT: return KEY_LSHIFT;
case SDLK_LALT: return KEY_LALT;
case SDLK_LSUPER: return KEY_LSUPER;
case SDLK_RCTRL: return KEY_RCTRL;
case SDLK_RSHIFT: return KEY_RSHIFT;
case SDLK_RALT: return KEY_RALT;
case SDLK_RSUPER: return KEY_RSUPER;
default: return KEY_UNKNOWN;
}
}
static void poll_events (void) {
int key, sym, down;
SDL_Event ev;
while (SDL_PollEvent(&ev)) {
switch (ev.type) {
case SDL_QUIT:
ERR_quit();
break;
case SDL_VIDEORESIZE:
R_set_videomode(ev.resize.w, ev.resize.h, Y_get_fullscreen());
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
sym = ev.key.keysym.sym;
down = ev.type == SDL_KEYDOWN;
key = sdl_to_key(sym);
I_press(key, down);
GM_key(key, down);
if (down && text_input && sym >= 0x20 && sym <= 0x7e) {
// TODO fix this
GM_input(sym);
}
break;
}
}
}
static void step (void) {
poll_events();
MUS_update();
Uint32 t = SDL_GetTicks();
if (t - ticks > DELAY) {
ticks = t;
G_act();
}
R_draw();
}
int main (int argc, char *argv[]) {
logo("main: initialize SDL\n");
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1) {
logo("main: failed to init SDL: %s\n", SDL_GetError());
return 1;
}
SDL_WM_SetCaption("Doom 2D (SDL)", "Doom 2D");
// Player 1 defaults
pl1.ku = KEY_KP_8;
pl1.kd = KEY_KP_5;
pl1.kl = KEY_KP_4;
pl1.kr = KEY_KP_6;
pl1.kf = KEY_PAGEDOWN;
pl1.kj = KEY_DELETE;
pl1.kwl = KEY_HOME;
pl1.kwr = KEY_END;
pl1.kp = KEY_KP_8;
// Player 2 defaults
pl2.ku = KEY_E;
pl2.kd = KEY_D;
pl2.kl = KEY_S;
pl2.kr = KEY_F;
pl2.kf = KEY_A;
pl2.kj = KEY_Q;
pl2.kwl = KEY_1;
pl2.kwr = KEY_2;
pl2.kp = KEY_E;
srand(SDL_GetTicks());
F_addwad("doom2d.wad");
CFG_args(argc, argv);
CFG_load();
F_initwads();
S_init();
MUS_init();
R_init();
G_init();
ticks = SDL_GetTicks();
#ifdef __EMSCRIPTEN__
emscripten_set_main_loop(step, 0, 1);
#else
while (!quit) {
step();
}
#endif
CFG_save();
R_done();
MUS_done();
S_done();
SDL_Quit();
return 0;
}