/*

Copyright (C) 2015-2018 Night Dive Studios, LLC.

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, either version 3 of the License, or
(at your option) any later version.

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 <http://www.gnu.org/licenses/>.

*/
#ifndef __MAINLOOP_H
#define __MAINLOOP_H

#include "gameloop.h"
#include "frtypesx.h"

#define QUIT_LOOP       -1
#define GAME_LOOP        0
#define FULLSCREEN_LOOP  1
#define EDIT_LOOP        2
#define CYBER_LOOP       3
#define SETUP_LOOP       4
#define MWORK_LOOP       5
#define CUTSCENE_LOOP    6
#define SVGA_LOOP        7
#define AUTOMAP_LOOP     8

#define ML 0x1000
#define GL 0x1100
#define EL 0x1200
#define CL 0x1400
#define SL 0x1800
#define WL 0x2000
#define FL 0x2100
#define AL 0x2200

#define ML_CHG_MASK 0xF000u /* mask for main loop bits in change_flag */
#define ML_CHG_BASE 0x1000u /* mask for single main loop bit of change_flag */
#define LL_CHG_MASK 0x0FFFu /* mask for local loop bits of change_flag */
#define LL_CHG_BASE 0x0001u /* mask for single local loop bit out of change_flag */

#define chg_set_flg(x)   (_change_flag |= x)
#define chg_get_flg(x)   (_change_flag & x)
#define chg_unset_flg(x) (_change_flag &= ~(x))

#define chg_set_sta(x)   (_static_change |= x)
#define chg_get_sta(x)   (_static_change & x)
#define chg_unset_sta(x) (_static_change &= ~(x))

#define GL_CHG_1    (ML_CHG_BASE << 0u)
#define GL_CHG_2    (ML_CHG_BASE << 1u)
#define GL_CHG_3    (ML_CHG_BASE << 2u)
#define GL_CHG_LOOP (ML_CHG_BASE << 3u)

void mainloop(int argc, char *argv[]);
void loopmode_switch(short *cmode);
errtype static_change_copy();
void loopmode_exit(short loopmode);
void loopmode_enter(short loopmode);

#ifdef __MAINLOOP_SRC
frc *_current_fr_context;
short _current_loop = SETUP_LOOP; /* which loop we currently are */
short _current_3d_flag = DEMOVIEW_UPDATE;
LGRegion *_current_view = NULL;
uint _change_flag = 0;   /* change flags for loop */
uint _static_change = 0; /* current static changes */
short _new_mode = 0;     /* mode to change to, if any */
short _last_mode = 0;    /* last mode, if you want to change back to it */
uchar time_passes = TRUE;
uchar saves_allowed = FALSE;
uchar physics_running = TRUE;
uchar ai_on = TRUE;
uchar anim_on = TRUE;
uchar player_invulnerable = FALSE;
uchar player_immortal = FALSE;
uchar always_render = FALSE;
uchar pal_fx_on = TRUE;

#else // NOT _MAINLOOP_SRC

extern short _current_loop; // which loop we currently are
extern short _current_3d_flag;
extern frc *_current_fr_context;
#ifdef GADGET
extern Gadget *_current_root;
#endif
extern uint _change_flag;   // change flags for loop
extern uint _static_change; // current static changes
extern short _new_mode;     // mode to change to, if any
extern short _last_mode;    // last mode we were in, to switch back to
extern uchar player_invulnerable;
extern uchar player_immortal;
extern uchar physics_running;
extern uchar ai_on;
extern uchar anim_on;
extern uchar always_render;
extern uchar saves_allowed;
extern uchar time_passes;
extern uchar pal_fx_on;
extern LGRegion *_current_view;
#endif

#define loopLine(num, code_line) code_line

#define localChanges  (_change_flag & LL_CHG_MASK)
#define globalChanges (_change_flag & ML_CHG_MASK)

#endif