//-------------------------------------------------------------------------
/*
Copyright (C) 1997, 2005 - 3D Realms Entertainment

This file is part of Shadow Warrior version 1.2

Shadow Warrior 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 2
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

Original Source: 1997 - Frank Maddin and Jim Norwood
Prepared for public release: 03/28/2005 - Charlie Wiederhold, 3D Realms
*/
//-------------------------------------------------------------------------

#ifndef GAME_H        

#define GAME_H

#define DEBUG 0
 
#include "baselayer.h"
#include "mmulti.h"
#include "compat.h"

#include "mytypes.h"
#include "keyboard.h"
#include "sounds.h"
#include "settings.h"

//#define SW_SHAREWARE 1     // This determines whether game is shareware compile or not!
extern char isShareware
#if !MEGAWANG
, useDarts
#endif
;

#if MEGAWANG
extern int32 useDarts;
#endif

#define SW_SHAREWARE (isShareware)

// Turn warning off for unreferenced variables.
// I really should fix them at some point
//#pragma off(unreferenced)


#define ERR_STD_ARG __FILE__, __LINE__

#if DEBUG
    void HeapCheck(char *, int);
    #define HEAP_CHECK() HeapCheck(__FILE__, __LINE__)    

    void _Assert(char *, char *, unsigned);
    #define ASSERT(f) \
        if (f)        \
        do { } while(0);         \
        else          \
        _Assert(#f,ERR_STD_ARG);
        
    #define PRODUCTION_ASSERT(f) ASSERT(f)

    void dsprintf(char *, char *, ...);
    #define DSPRINTF dsprintf

    VOID PokeStringMono(BYTE Attr, BYTEp String);
    
    #if 1  // !JIM! Frank, I redirect this for me you'll want to set this back for you
        extern int DispMono;
        #define MONO_PRINT(str) if (DispMono) PokeStringMono(/*MDA_NORMAL*/0, str)
    #else
        void adduserquote(char *daquote);
        extern int DispMono;                   
        #define MONO_PRINT(str) if (DispMono) CON_ConMessage(str); // Put it in my userquote stuff!
        //#define MONO_PRINT(str) if (DispMono) printf(str); 
    #endif
    
    #define RANDOM_DEBUG 1 // Set this to 1 for network testing.
#else        
    #define ASSERT(f) do { } while(0)
    #define MONO_PRINT(str)
    
    void _Assert(char *, char *, unsigned);
    #define PRODUCTION_ASSERT(f) \
        if (f)        \
        do { } while(0);         \
        else          \
        _Assert(#f,ERR_STD_ARG);
    
    void dsprintf_null(char *, char *, ...);
    #define DSPRINTF dsprintf_null
    //#define DSPRINTF()
    
    #define HEAP_CHECK()
    #define RANDOM_DEBUG 0
#endif


#if RANDOM_DEBUG
int RandomRange(int, char*, unsigned);
int krand1(char*, unsigned);
#define RANDOM_P2(pwr_of_2) (MOD_P2(krand1(__FILE__,__LINE__),(pwr_of_2)))
#define RANDOM_RANGE(range) (RandomRange(range,__FILE__,__LINE__))
#define RANDOM() (krand1(__FILE__,__LINE__))
#else
int RandomRange(int);
int krand1(void);
#define RANDOM_P2(pwr_of_2) (MOD_P2(krand1(),(pwr_of_2)))
#define RANDOM_RANGE(range) (RandomRange(range))
#define RANDOM() (krand1())
#endif


#define PRINT(line,str) DebugPrint(line,str)

#include "pragmas.h"


//
// Map directions/degrees
//

#if FALSE
           y--
             ^ 1536
             |
             |
             |
             |
             |
             |            2047
<---------------------------->
1024         |              0 
x--          |             x++
             |
             |
             |
             |
             V 512 
               y++

#endif              
          
//////////////////////////////////////////////////////    
//    
// KEYBOARD    
//    
//////////////////////////////////////////////////////    

extern BOOL MenuInputMode;
extern BOOL MessageInputMode;
extern BOOL ConInputMode;
extern BOOL ConPanel;
extern BOOL InputMode;
extern char MessageInputString[256];
extern char MessageOutputString[256];

//
// Defines
//

#define CIRCLE_CAMERA_DIST_MIN 12000

// dist at which actors will not move (unless shot?? to do)
#define MAX_ACTIVE_RANGE 42000
// dist at which actors roam about on their own
#define MIN_ACTIVE_RANGE 20000

    #undef  KEYSC_UP
    #define KEYSC_UP        sc_UpArrow
    #undef  KEYSC_DOWN
    #define KEYSC_DOWN      sc_DownArrow
    #undef  KEYSC_LEFT
    #define KEYSC_LEFT      sc_LeftArrow
    #undef  KEYSC_RIGHT
    #define KEYSC_RIGHT     sc_RightArrow
    #undef  KEYSC_INS
    #define KEYSC_INS       sc_Insert
    #undef  KEYSC_DEL
    #define KEYSC_DEL       sc_Delete
    #undef  KEYSC_HOME
    #define KEYSC_HOME      sc_Home
    #undef  KEYSC_END
    #define KEYSC_END       sc_End
    #undef  KEYSC_PGUP
    #define KEYSC_PGUP      sc_PgUp
    #undef  KEYSC_PGDN
    #define KEYSC_PGDN      sc_PgDn
    
    #define KEYSC_RALT      sc_RightAlt
    #define KEYSC_RCTRL     sc_RightControl
    #define KEYSC_KPSLASH   sc_kpad_Slash
    #define KEYSC_KPENTER   sc_kpad_Enter
    #define KEYSC_PRINTSCREEN sc_PrintScreen
    #define KEYSC_LASTSC      sc_LastScanCode
    
    #define KEYSC_KP_1      sc_kpad_1     
    #define KEYSC_KP_2      sc_kpad_2     
    #define KEYSC_KP_3      sc_kpad_3     
    #define KEYSC_KP_4      sc_kpad_4     
    #define KEYSC_KP_6      sc_kpad_6     
    #define KEYSC_KP_5     sc_kpad_5     
    #define KEYSC_KP_7      sc_kpad_7     
    #define KEYSC_KP_8      sc_kpad_8     
    #define KEYSC_KP_9      sc_kpad_9     
    #define KEYSC_KP_0      sc_kpad_0     
    #define KEYSC_KPMINUS  sc_kpad_Minus 
    #define KEYSC_KPPLUS   sc_kpad_Plus  
    #define KEYSC_KPPERIOD sc_kpad_Period
    
    #define KEYSC_EUP        sc_UpArrow
    #define KEYSC_EDOWN      sc_DownArrow
    #define KEYSC_ELEFT      sc_LeftArrow
    #define KEYSC_ERIGHT     sc_RightArrow
    #define KEYSC_EINS       sc_Insert
    #define KEYSC_EDEL       sc_Delete
    #define KEYSC_EHOME      sc_Home
    #define KEYSC_EEND       sc_End
    #define KEYSC_EPGUP      sc_PgUp
    #define KEYSC_EPGDN      sc_PgDn
    
    #undef KB_KeyPressed
    #define KB_KeyPressed( scan ) \
       ( KB_KeyDown[ ( scan ) ])
    #define KEY_PRESSED(sc) KB_KeyPressed((sc))
    #define PKEY_PRESSED(sc) KB_KeyPressed((sc))
    
//
// NETWORK - REDEFINABLE SHARED (SYNC) KEYS BIT POSITIONS
//
    
    // weapons takes up 4 bits
    #define SK_WEAPON_BIT0 0
    #define SK_WEAPON_BIT1 1
    #define SK_WEAPON_BIT2 2
    #define SK_WEAPON_BIT3 3
    #define SK_WEAPON_MASK (BIT(SK_WEAPON_BIT0)| \
                            BIT(SK_WEAPON_BIT1)| \
                            BIT(SK_WEAPON_BIT2)| \
                            BIT(SK_WEAPON_BIT3)) // 16 possible numbers 0-15

    #define SK_INV_HOTKEY_BIT0 4
    #define SK_INV_HOTKEY_BIT1 5
    #define SK_INV_HOTKEY_BIT2 6
    #define SK_INV_HOTKEY_MASK (BIT(SK_INV_HOTKEY_BIT0)|BIT(SK_INV_HOTKEY_BIT1)|BIT(SK_INV_HOTKEY_BIT2))
    
    #define SK_AUTO_AIM    7
    #define SK_CENTER_VIEW 8
    #define SK_PAUSE       9
    #define SK_RUN_LOCK   10

    #define SK_MESSAGE    11  
    #define SK_LOOK_UP    12
    #define SK_LOOK_DOWN  13
    #define SK_CRAWL_LOCK 14
    #define SK_FLY        15
    
    #define SK_RUN        16
    #define SK_SHOOT      17
    #define SK_OPERATE    18
    #define SK_JUMP       19
    #define SK_CRAWL      20
    #define SK_SNAP_UP    21
    #define SK_SNAP_DOWN  22
    #define SK_QUIT_GAME  23
    
    #define SK_MULTI_VIEW 24
    
    #define SK_TURN_180   25  
    
    #define SK_INV_LEFT   26   
    #define SK_INV_RIGHT  27

    #define SK_INV_USE   29
    #define SK_HIDE_WEAPON  30
    #define SK_SPACE_BAR  31
    

    // REDEFINABLE PLAYER KEYS NUMBERS

    #define PK_FORWARD      0
    #define PK_BACKWARD     1
    #define PK_LEFT         2
    #define PK_RIGHT        3
    #define PK_RUN          4
    #define PK_STRAFE       5
    #define PK_SHOOT        6
    #define PK_OPERATE      7
    #define PK_JUMP         8
    #define PK_CRAWL        9
    #define PK_LOOK_UP      10
    #define PK_LOOK_DOWN    11
    #define PK_STRAFE_LEFT  12 
    #define PK_STRAFE_RIGHT 13 
    #define PK_MAP          14  
    #define PK_MULTI_VIEW   15
    #define PK_ZOOM_IN      16  
    #define PK_ZOOM_OUT     17
    #define PK_MESSAGE      18  

//    #define PKEY(num) KEY_PRESSED(keys[num])

#define MK_FIXED(msw,lsw) (((LONG)(msw)<<16)|(lsw))
#define FIXED(msw,lsw) MK_FIXED(msw,lsw)

#if B_LITTLE_ENDIAN != 0
# define MSW_VAR(fixed) (*(((USHORTp)&(fixed)) + 1))
# define LSW_VAR(fixed) (*((USHORTp)&(fixed)))

# define MSB_VAR(fixed) (*(((BYTEp)&(fixed)) + 1))
# define LSB_VAR(fixed) (*((BYTEp)&(fixed)))
#else
# define LSW_VAR(fixed) (*(((USHORTp)&(fixed)) + 1))
# define MSW_VAR(fixed) (*((USHORTp)&(fixed)))

# define LSB_VAR(fixed) (*(((BYTEp)&(fixed)) + 1))
# define MSB_VAR(fixed) (*((BYTEp)&(fixed)))
#endif

#define MSW(fixed) ((fixed)>>16)
#define LSW(fixed) (((SHORT)(fixed)))

// Defines for reading in ST1 sprite tagging
#define SP_TAG1(sp) ((sp)->hitag)
#define SP_TAG2(sp) ((sp)->lotag)
#define SP_TAG3(sp) ((sp)->clipdist)
#define SP_TAG4(sp) ((sp)->ang)
#define SP_TAG5(sp) ((sp)->xvel)
#define SP_TAG6(sp) ((sp)->yvel)
#define SP_TAG7(sp) (MSB_VAR((sp)->zvel))
#define SP_TAG8(sp) (LSB_VAR((sp)->zvel))
#define SP_TAG9(sp) (MSB_VAR((sp)->owner))
#define SP_TAG10(sp) (LSB_VAR((sp)->owner))
#define SP_TAG11(sp) ((sp)->shade)
#define SP_TAG12(sp) ((sp)->pal)
#define SP_TAG13(sp) B_LITTLE16(*((short*)&(sp)->xoffset))
#define SP_TAG14(sp) B_LITTLE16(*((short*)&(sp)->xrepeat))
#define SP_TAG15(sp) ((sp)->z)
#define SET_SP_TAG13(sp,val) (*((short*)&(sp)->xoffset)) = B_LITTLE16(val)
#define SET_SP_TAG14(sp,val) (*((short*)&(sp)->xrepeat)) = B_LITTLE16(val)

#define SPRITE_TAG1(sp) (sprite[sp].hitag)
#define SPRITE_TAG2(sp) (sprite[sp].lotag)
#define SPRITE_TAG3(sp) (sprite[sp].clipdist)
#define SPRITE_TAG4(sp) (sprite[sp].ang)
#define SPRITE_TAG5(sp) (sprite[sp].xvel)
#define SPRITE_TAG6(sp) (sprite[sp].yvel)
#define SPRITE_TAG7(sp) (MSB_VAR(sprite[sp].zvel))
#define SPRITE_TAG8(sp) (LSB_VAR(sprite[sp].zvel))
#define SPRITE_TAG9(sp) (MSB_VAR(sprite[sp].owner))
#define SPRITE_TAG10(sp) (LSB_VAR(sprite[sp].owner))
#define SPRITE_TAG11(sp) (sprite[sp].shade)
#define SPRITE_TAG12(sp) (sprite[sp].pal)
#define SPRITE_TAG13(sp) B_LITTLE16(*((short*)&sprite[sp].xoffset))
#define SPRITE_TAG14(sp) B_LITTLE16(*((short*)&sprite[sp].xrepeat))
#define SPRITE_TAG15(sp) (sprite[sp].z)
#define SET_SPRITE_TAG13(sp,val) (*((short*)&sprite[sp].xoffset)) = B_LITTLE16(val)
#define SET_SPRITE_TAG14(sp,val) (*((short*)&sprite[sp].xrepeat)) = B_LITTLE16(val)

// this will get you the other wall moved by dragpoint
#define DRAG_WALL(w) (wall[wall[(w)].nextwall].point2)

// OVER and UNDER water macros    
#define SpriteInDiveArea(sp) (TEST(sector[(sp)->sectnum].extra, SECTFX_DIVE_AREA) ? TRUE : FALSE)   
#define SpriteInUnderwaterArea(sp) (TEST(sector[(sp)->sectnum].extra, SECTFX_UNDERWATER|SECTFX_UNDERWATER2) ? TRUE : FALSE)   

#define SectorIsDiveArea(sect) (TEST(sector[sect].extra, SECTFX_DIVE_AREA) ? TRUE : FALSE)   
#define SectorIsUnderwaterArea(sect) (TEST(sector[sect].extra, SECTFX_UNDERWATER|SECTFX_UNDERWATER2) ? TRUE : FALSE)   
    
// Key Press Flags macros
#define FLAG_KEY_PRESSED(pp,sync_key) TEST(pp->KeyPressFlags,1<<sync_key)
#define FLAG_KEY_RELEASE(pp,sync_key) RESET(pp->KeyPressFlags,1<<sync_key)
#define FLAG_KEY_RESET(pp,sync_key) SET(pp->KeyPressFlags,1<<sync_key)
    
// syncbit manipulation macros
// key_test MUST be a boolean - force it to be
#define SET_SYNC_KEY(player, sync_num, key_test) SET((player)->input.bits, ((!!(key_test)) << (sync_num)))
#define TEST_SYNC_KEY(player, sync_num) TEST((player)->input.bits, (1 << (sync_num)))
#define RESET_SYNC_KEY(player, sync_num) RESET((player)->input.bits, (1 << (sync_num)))

#define TRAVERSE_SPRITE_SECT(l, o, n)    for ((o) = (l); (n) = nextspritesect[o], (o) != -1; (o) = (n))
#define TRAVERSE_SPRITE_STAT(l, o, n)    for ((o) = (l); (n) = nextspritestat[o], (o) != -1; (o) = (n))
#define TRAVERSE_CONNECT(i)   for (i = connecthead; i != -1; i = connectpoint2[i])


#define NORM_ANGLE(ang) ((ang) & 2047)
#define ANGLE_2_PLAYER(pp,x,y) (NORM_ANGLE(getangle(pp->posx-(x), pp->posy-(y))))


int StdRandomRange(int range);
#define STD_RANDOM_P2(pwr_of_2) (MOD_P2(rand(),(pwr_of_2)))
#define STD_RANDOM_RANGE(range) (StdRandomRange(range))
#define STD_RANDOM() (rand())

#define MOVEx(vel,ang) (((long)(vel) * (long)sintable[NORM_ANGLE((ang) + 512)]) >> 14)
#define MOVEy(vel,ang) (((long)(vel) * (long)sintable[NORM_ANGLE((ang))]) >> 14)

#define DIST(x1, y1, x2, y2) ksqrt( SQ((x1) - (x2)) + SQ((y1) - (y2)) )

#define PIC_SIZX(sn) (tilesizx[sprite[sn].picnum])
#define PIC_SIZY(sn) (tilesizy[sprite[sn].picnum])

// Distance macro - tx, ty, tmin are holding vars that must be declared in the routine
// that uses this macro
#define DISTANCE(x1, y1, x2, y2, dist, tx, ty, tmin) \
  {                                    \
  tx = labs(x2-x1);                    \
  ty = labs(y2-y1);                    \
  tmin = min(tx,ty);                   \
  dist = tx + ty - DIV2(tmin);         \
  }

#define SPRITE_SIZE_X(sp_num)   ((sprite[sp_num].xrepeat == 64) ?                         \
                    tilesizx[sprite[sp_num].picnum] :                   \
                    ((sprite[sp_num].xrepeat * tilesizx[sprite[sp_num].picnum]) >> 6) \
                )  
                      
#define SPRITE_SIZE_Y(sp_num)   ((sprite[sp_num].yrepeat == 64) ?                          \
                    tilesizy[sprite[sp_num].picnum] :                    \
                    ((sprite[sp_num].yrepeat * tilesizy[sprite[sp_num].picnum]) >> 6) \
                )       
                    
#define SPRITE_SIZE_Z(sp_num)   ((sprite[sp_num].yrepeat == 64) ?                          \
                    Z(tilesizy[sprite[sp_num].picnum]) :                 \
                    ((sprite[sp_num].yrepeat * tilesizy[sprite[sp_num].picnum]) << 2) \
                )      

#define SPRITEp_SIZE_X(sp)   (((sp)->xrepeat == 64) ?                         \
                    tilesizx[(sp)->picnum] :                   \
                    (((sp)->xrepeat * tilesizx[(sp)->picnum]) >> 6) \
                )  
                      
#define SPRITEp_SIZE_Y(sp)   (((sp)->yrepeat == 64) ?                          \
                    tilesizy[(sp)->picnum] :                    \
                    (((sp)->yrepeat * tilesizy[(sp)->picnum]) >> 6) \
                )       
                    
#define SPRITEp_SIZE_Z(sp)   (((sp)->yrepeat == 64) ?                          \
                    Z(tilesizy[(sp)->picnum]) :                 \
                    (((sp)->yrepeat * tilesizy[(sp)->picnum]) << 2) \
                )      

// Given a z height and sprite return the correct x repeat value                 
#define SPRITEp_SIZE_X_2_XREPEAT(sp, x) (((x)*64)/tilesizx[(sp)->picnum]) 
// Given a z height and sprite return the correct y repeat value                 
#define SPRITEp_SIZE_Z_2_YREPEAT(sp, zh) ((zh)/(4*tilesizy[(sp)->picnum])) 
#define SPRITEp_SIZE_Y_2_YREPEAT(sp, y) (((y)*64)/tilesizy[(sp)->picnum]) 
                

// x & y offset of tile
#define TILE_XOFF(picnum) ((CHAR)TEST(picanm[(picnum)] >> 8, 0xFF))
#define TILE_YOFF(picnum) ((CHAR)TEST(picanm[(picnum)] >> 16, 0xFF))

// x & y offset of current sprite tile
#define SPRITEp_XOFF(sp) ((CHAR)TEST(picanm[(sp)->picnum] >> 8, 0xFF))
#define SPRITEp_YOFF(sp) ((CHAR)TEST(picanm[(sp)->picnum] >> 16, 0xFF))

// Z size of top (TOS) and bottom (BOS) part of sprite
#define SPRITEp_SIZE_TOS(sp) (DIV2(SPRITEp_SIZE_Z(sp)) + Z(SPRITEp_YOFF(sp)))
#define SPRITEp_SIZE_BOS(sp) (DIV2(SPRITEp_SIZE_Z(sp)) - Z(SPRITEp_YOFF(sp)))

// acual Z for TOS and BOS - handles both WYSIWYG and old style
#define SPRITEp_TOS(sp) (TEST((sp)->cstat, CSTAT_SPRITE_YCENTER) ? \
            ((sp)->z - SPRITEp_SIZE_TOS(sp)) :         \
            ((sp)->z - SPRITEp_SIZE_Z(sp)))

#define SPRITEp_BOS(sp) (TEST((sp)->cstat, CSTAT_SPRITE_YCENTER) ? \
            ((sp)->z + SPRITEp_SIZE_BOS(sp)) :         \
            (sp)->z)
            
// mid and upper/lower sprite caluculations            
#define SPRITEp_MID(sp) (DIV2(SPRITEp_TOS(sp) + SPRITEp_BOS(sp)))
#define SPRITEp_UPPER(sp) (SPRITEp_TOS(sp) + DIV4(SPRITEp_SIZE_Z(sp)))
#define SPRITEp_LOWER(sp) (SPRITEp_BOS(sp) - DIV4(SPRITEp_SIZE_Z(sp)))
                
#define Z(value) ((long)(value) << 8)
#define PIXZ(value) ((long)(value) >> 8)

#define SQ(val) ((val) * (val))

#define KENFACING_PLAYER(pp,sp) (sintable[NORM_ANGLE(sp->ang+512)]*(pp->posy-sp->y) >= sintable[NORM_ANGLE(sp-ang)]*(pp->posx-sp->x))
#define FACING_PLAYER(pp,sp) (labs(GetDeltaAngle((sp)->ang, NORM_ANGLE(getangle((pp)->posx - (sp)->x, (pp)->posy - (sp)->y)))) < 512)
#define PLAYER_FACING(pp,sp) (labs(GetDeltaAngle((pp)->pang, NORM_ANGLE(getangle((sp)->x - (pp)->posx, (sp)->y - (pp)->posy)))) < 320)
#define FACING(sp1,sp2) (labs(GetDeltaAngle((sp2)->ang, NORM_ANGLE(getangle((sp1)->x - (sp2)->x, (sp1)->y - (sp2)->y)))) < 512)

#define FACING_PLAYER_RANGE(pp,sp,range) (labs(GetDeltaAngle((sp)->ang, NORM_ANGLE(getangle((pp)->posx - (sp)->x, (pp)->posy - (sp)->y)))) < (range))
#define PLAYER_FACING_RANGE(pp,sp,range) (labs(GetDeltaAngle((pp)->pang, NORM_ANGLE(getangle((sp)->x - (pp)->posx, (sp)->y - (pp)->posy)))) < (range))
#define FACING_RANGE(sp1,sp2,range) (labs(GetDeltaAngle((sp2)->ang, NORM_ANGLE(getangle((sp1)->x - (sp2)->x, (sp1)->y - (sp2)->y)))) < (range))

// two vectors 
// can determin direction
#define DOT_PRODUCT_2D(x1,y1,x2,y2) (mulscale((x1),(x2),16) + mulscale((y1),(y2),16))
#define DOT_PRODUCT_3D(x1,y1,z1,x2,y2,z2) (mulscale((x1),(x2),16) + mulscale((y1),(y2),16) + mulscale((z1),(z2),16))

// just determine if the player is moving
#define PLAYER_MOVING(pp) ((pp)->xvect|(pp)->yvect)
    
#define KEY_EXT(scan) (KEY_PRESSED(scan) | KEY_PRESSED(scan+128))

#define TEST_GOTSECTOR(sect_num) (TEST(gotsector[(sect_num) >> 3], 1 << ((sect_num) & 7)))
#define RESET_GOTSECTOR(sect_num) (RESET(gotsector[(sect_num) >> 3], 1 << ((sect_num) & 7)))
#define SET_GOTSECTOR(sect_num) (SET(gotsector[(sect_num) >> 3], 1 << ((sect_num) & 7)))

#define TEST_GOTPIC(tile_num) (TEST(gotpic[(tile_num) >> 3], 1 << ((tile_num) & 7)))
#define RESET_GOTPIC(tile_num) (RESET(gotpic[(tile_num) >> 3], 1 << ((tile_num) & 7)))
#define SET_GOTPIC(tile_num) (SET(gotpic[(tile_num) >> 3], 1 << ((tile_num) & 7)))

#define LOW_TAG(sectnum) ( sector[sectnum].lotag )
#define HIGH_TAG(sectnum) ( sector[sectnum].hitag )

#define LOW_TAG_SPRITE(spnum) ( sprite[(spnum)].lotag )
#define HIGH_TAG_SPRITE(spnum) ( sprite[(spnum)].hitag )

#define LOW_TAG_WALL(wallnum) ( wall[(wallnum)].lotag )
#define HIGH_TAG_WALL(wallnum) ( wall[(wallnum)].hitag )

#define SEC(value) ((value)*120)

#define CEILING_DIST (Z(4))
#define FLOOR_DIST (Z(4))

// Attributes for monochrome text
#define MDA_BLANK          0x00
#define MDA_NORMAL         0x07
#define MDA_BLINK          0x87
#define MDA_HIGH           0x0F
#define MDA_HIGHBLINK      0x8F
#define MDA_UNDER          0x01
#define MDA_UNDERBLINK     0x81
#define MDA_UNDERHIGH      0x09
#define MDA_UNDERHIGHBLINK 0x89
#define MDA_REVERSE        0x70
#define MDA_REVERSEBLINK   0xF0

// defines for move_sprite return value
#define HIT_MASK (BIT(13)|BIT(14)|BIT(15))
#define HIT_SPRITE (BIT(14)|BIT(15))
#define HIT_WALL   BIT(15)
#define HIT_SECTOR BIT(14)
#define HIT_PLAX_WALL BIT(13)

#define NORM_SPRITE(val) ((val) & (SIZ(sprite) - 1))
#define NORM_WALL(val) ((val) & (SIZ(wall) - 1))
#define NORM_SECTOR(val) ((val) & (SIZ(sector) - 1))

// overwritesprite flags
#define OVER_SPRITE_MIDDLE      (BIT(0))
#define OVER_SPRITE_VIEW_CLIP   (BIT(1))
#define OVER_SPRITE_TRANSLUCENT (BIT(2))
#define OVER_SPRITE_XFLIP       (BIT(3))
#define OVER_SPRITE_YFLIP       (BIT(4))

// rotatesprite flags
#define ROTATE_SPRITE_TRANSLUCENT   (BIT(0))
#define ROTATE_SPRITE_VIEW_CLIP     (BIT(1)) // clip to view
#define ROTATE_SPRITE_YFLIP         (BIT(2))
#define ROTATE_SPRITE_IGNORE_START_MOST (BIT(3)) // don't clip to startumost
#define ROTATE_SPRITE_SCREEN_CLIP   (BIT(1)|BIT(3)) // use window
#define ROTATE_SPRITE_CORNER        (BIT(4)) // place sprite from upper left corner
#define ROTATE_SPRITE_TRANS_FLIP    (BIT(5))
#define ROTATE_SPRITE_NON_MASK      (BIT(6)) // non masked sprites
#define ROTATE_SPRITE_ALL_PAGES     (BIT(7)) // copies to all pages

#define RS_SCALE                    BIT(16)

// system defines for status bits
#define CEILING_STAT_PLAX           BIT(0)
#define CEILING_STAT_SLOPE          BIT(1)
#define CEILING_STAT_SWAPXY         BIT(2)
#define CEILING_STAT_SMOOSH         BIT(3)
#define CEILING_STAT_XFLIP          BIT(4)
#define CEILING_STAT_YFLIP          BIT(5)
#define CEILING_STAT_RELATIVE       BIT(6)
#define CEILING_STAT_TYPE_MASK     (BIT(7)|BIT(8))
#define CEILING_STAT_MASKED         BIT(7)
#define CEILING_STAT_TRANS          BIT(8)
#define CEILING_STAT_TRANS_FLIP     (BIT(7)|BIT(8))
#define CEILING_STAT_FAF_BLOCK_HITSCAN      BIT(15)

#define FLOOR_STAT_PLAX           BIT(0)
#define FLOOR_STAT_SLOPE          BIT(1)
#define FLOOR_STAT_SWAPXY         BIT(2)
#define FLOOR_STAT_SMOOSH         BIT(3)
#define FLOOR_STAT_XFLIP          BIT(4)
#define FLOOR_STAT_YFLIP          BIT(5)
#define FLOOR_STAT_RELATIVE       BIT(6)
#define FLOOR_STAT_TYPE_MASK     (BIT(7)|BIT(8))
#define FLOOR_STAT_MASKED         BIT(7)
#define FLOOR_STAT_TRANS          BIT(8)
#define FLOOR_STAT_TRANS_FLIP     (BIT(7)|BIT(8))
#define FLOOR_STAT_FAF_BLOCK_HITSCAN      BIT(15)

#define CSTAT_WALL_BLOCK            BIT(0)
#define CSTAT_WALL_BOTTOM_SWAP      BIT(1)
#define CSTAT_WALL_ALIGN_BOTTOM     BIT(2)
#define CSTAT_WALL_XFLIP            BIT(3)
#define CSTAT_WALL_MASKED           BIT(4)
#define CSTAT_WALL_1WAY             BIT(5)
#define CSTAT_WALL_BLOCK_HITSCAN    BIT(6)
#define CSTAT_WALL_TRANSLUCENT      BIT(7)
#define CSTAT_WALL_YFLIP            BIT(8)
#define CSTAT_WALL_TRANS_FLIP       BIT(9)
#define CSTAT_WALL_BLOCK_ACTOR (BIT(14)) // my def
#define CSTAT_WALL_WARP_HITSCAN (BIT(15)) // my def

//cstat, bit 0: 1 = Blocking sprite (use with clipmove, getzrange)    "B"
//       bit 1: 1 = 50/50 transluscence, 0 = normal                   "T"
//       bit 2: 1 = x-flipped, 0 = normal                             "F"
//       bit 3: 1 = y-flipped, 0 = normal                             "F"
//       bits 5-4: 00 = FACE sprite (default)                         "R"
//                 01 = WALL sprite (like masked walls)
//                 10 = FLOOR sprite (parallel to ceilings&floors)
//                 11 = SPIN sprite (face sprite that can spin 2draw style - not done yet)
//       bit 6: 1 = 1-sided sprite, 0 = normal                        "1"
//       bit 7: 1 = Real centered centering, 0 = foot center          "C"
//       bit 8: 1 = Blocking sprite (use with hitscan)                "H"
//       bit 9: reserved
//       bit 10: reserved
//       bit 11: reserved
//       bit 12: reserved
//       bit 13: reserved
//       bit 14: reserved
//       bit 15: 1 = Invisible sprite, 0 = not invisible

#define CSTAT_SPRITE_BLOCK          BIT(0)
#define CSTAT_SPRITE_TRANSLUCENT    BIT(1)
#define CSTAT_SPRITE_XFLIP          BIT(2)
#define CSTAT_SPRITE_YFLIP          BIT(3)
#define CSTAT_SPRITE_WALL           BIT(4)
#define CSTAT_SPRITE_FLOOR          BIT(5)
#define CSTAT_SPRITE_SLAB           (BIT(4)|BIT(5))
#define CSTAT_SPRITE_ONE_SIDE       BIT(6)
#define CSTAT_SPRITE_YCENTER        BIT(7)
#define CSTAT_SPRITE_BLOCK_HITSCAN  BIT(8)
#define CSTAT_SPRITE_TRANS_FLIP     BIT(9)

#define CSTAT_SPRITE_RESTORE        BIT(12) // my def
#define CSTAT_SPRITE_CLOSE_FLOOR    BIT(13) // my def - tells whether a sprite
                                            // started out close to a ceiling or floor
#define CSTAT_SPRITE_BLOCK_MISSILE  BIT(14) // my def
#define CSTAT_SPRITE_INVISIBLE      BIT(15)

#define CSTAT_SPRITE_BREAKABLE (CSTAT_SPRITE_BLOCK_HITSCAN|CSTAT_SPRITE_BLOCK_MISSILE)

#undef CLIPMASK0 // defined in build.h
#undef CLIPMASK1

// new define more readable defines

// Clip Sprite adjustment
#define CS(sprite_bit) ((sprite_bit)<<16)

// for players to clip against walls    
#define CLIPMASK_PLAYER (CS(CSTAT_SPRITE_BLOCK) | CSTAT_WALL_BLOCK)

// for actors to clip against walls    
#define CLIPMASK_ACTOR                   \
    (                                    \
    CS(CSTAT_SPRITE_BLOCK) |             \
    CSTAT_WALL_BLOCK |                   \
    CSTAT_WALL_BLOCK_ACTOR               \
    )
    
// for missiles to clip against actors    
#define CLIPMASK_MISSILE                                            \
    (                                                               \
    CS(CSTAT_SPRITE_BLOCK_HITSCAN|CSTAT_SPRITE_BLOCK_MISSILE) |     \
    CSTAT_WALL_BLOCK_HITSCAN                                        \
    )

#define CLIPMASK_WARP_HITSCAN            \
    (                                    \
    CS(CSTAT_SPRITE_BLOCK_HITSCAN) |     \
    CSTAT_WALL_BLOCK_HITSCAN |           \
    CSTAT_WALL_WARP_HITSCAN              \
    )
    


// break up of picanm[]
#define TILE_ANIM_NUM (0xF|BIT(4)|BIT(5))                                                       
#define TILE_ANIM_TYPE (BIT(6)|BIT(7))                                                        
#define TILE_SPEED (0xF << 20)                                                        

#define SIZ(array) (sizeof(array)/sizeof(array[0]))


//
// Directions
//

#define DEGREE_45 256
#define DEGREE_90 512

//
// nextsectorneighborz defines - what a god-awful name!
//

#define SEARCH_DOWN 1
#define SEARCH_UP   -1
#define SEARCH_FLOOR 1
#define SEARCH_CEILING -1

#define UP_DIR -1
#define DOWN_DIR 1

#define OPEN 0
#define CLOSE 1

////
//
// Directional enumerations
//
////

enum DirOrd
    {
    ORD_NORTH, ORD_NE, ORD_EAST, ORD_SE, ORD_SOUTH, ORD_SW, ORD_WEST, ORD_NW
    };

enum Dir8
    {
    NORTH   = ORD_NORTH * DEGREE_45,
    NE      = ORD_NE    * DEGREE_45,
    EAST    = ORD_EAST  * DEGREE_45,
    SE      = ORD_SE    * DEGREE_45,
    SOUTH   = ORD_SOUTH * DEGREE_45,
    SW      = ORD_SW    * DEGREE_45,
    WEST    = ORD_WEST  * DEGREE_45,
    NW      = ORD_NW    * DEGREE_45,
    };

typedef enum Dir8 DIR8;

// Auto building enumerations

#define DIGI_ENUM
enum digi 
{
    #include "digi.h"
    DIGI_MAX
};
#undef DIGI_ENUM

#define DAMAGE_ENUM
enum dam 
{
    #include "damage.h"
};
#undef DAMAGE_ENUM
          
////
//
// State declarations
//
////


// Forward declarations
struct STATEstruct;
typedef struct STATEstruct STATE, *STATEp, **STATEpp;

//struct PIC_STATEstruct;
//typedef struct PIC_STATEstruct PIC_STATE, *PIC_STATEp;

struct PANEL_STATEstruct;
typedef struct PANEL_STATEstruct PANEL_STATE, *PANEL_STATEp;

struct PLAYERstruct;
typedef struct PLAYERstruct PLAYER, *PLAYERp;

struct PERSONALITYstruct;
typedef struct PERSONALITYstruct PERSONALITY, *PERSONALITYp;

struct ATTRIBUTEstruct;
typedef struct ATTRIBUTEstruct ATTRIBUTE, *ATTRIBUTEp;

struct SECTOR_OBJECTstruct;
typedef struct SECTOR_OBJECTstruct SECTOR_OBJECT, *SECTOR_OBJECTp;

struct PANEL_SPRITEstruct;
typedef struct PANEL_SPRITEstruct PANEL_SPRITE, *PANEL_SPRITEp;

struct ANIMstruct;
typedef struct ANIMstruct ANIM, *ANIMp;

typedef int ANIMATOR(SHORT SpriteNum);
typedef ANIMATOR *ANIMATORp;

typedef void pANIMATOR(PANEL_SPRITEp);
typedef pANIMATOR *pANIMATORp;

typedef void soANIMATOR(SECTOR_OBJECTp);
typedef soANIMATOR *soANIMATORp;

typedef spritetype SPRITE, *SPRITEp;
typedef sectortype SECTOR, *SECTORp;
typedef walltype WALL, *WALLp;

struct STATEstruct
{
    short     Pic;
    int       Tics;
    ANIMATORp Animator;

    STATEp   NextState;
};

//
// State Flags
//

#define SF_TICS_MASK 0xFFFF
#define SF_QUICK_CALL BIT(16)
#define SF_PLAYER_FUNC BIT(17) // only for players to execute
#define SF_TIC_ADJUST BIT(18) // use tic adjustment for these frames
#define SF_WALL_STATE BIT(19) // use for walls instead of sprite

///////////////////////////////////////////////////////////////////////////////
// Jim's MISC declarations from other files
///////////////////////////////////////////////////////////////////////////////

#define MAXSHELLS 32
extern long ShellCount;

typedef enum {WATER_FOOT, BLOOD_FOOT} FOOT_TYPE;

extern FOOT_TYPE FootMode;
extern BOOL InGame;                                  // Declared in game.c
extern BOOL Global_PLock;                            // Game.c
int QueueFloorBlood(short hitsprite);                // Weapon.c
int QueueFootPrint(short hitsprite);                 // Weapon.c
int QueueGeneric(short SpriteNum, short pic);        // Weapon.c   
int QueueLoWangs(short SpriteNum);                   // Weapon.c   
int SpawnShell(short SpriteNum, short ShellNum);     // Weapon.c
void UnlockKeyLock(short key_num, short hitsprite);  // JSector.c

#define MAX_PAIN 5
extern int PlayerPainVocs[MAX_PAIN];
extern int PlayerLowHealthPainVocs[MAX_PAIN];

#define MAX_TAUNTAI 33
extern int TauntAIVocs[MAX_TAUNTAI];

#define MAX_GETSOUNDS 5
extern int PlayerGetItemVocs[MAX_GETSOUNDS];

#define MAX_YELLSOUNDS 3
extern int PlayerYellVocs[MAX_YELLSOUNDS];

VOID BossHealthMeter(void);

// Global variables used for modifying variouse things from the Console

///////////////////////////////////////////////////////////////////////////////////////////
//
// CALLER - DLL handler
//
///////////////////////////////////////////////////////////////////////////////////////////
extern unsigned char DLL_Loaded;
extern int DLL_Handle; // Global DLL handle
extern char *DLL_path; // DLL path name

int DLL_Load(char *DLLpathname);
BOOL DLL_Unload(int procHandle);
BOOL DLL_ExecFunc(int procHandle, char *fName);

///////////////////////////////////////////////////////////////////////////////////////////
//
// JPlayer
//
///////////////////////////////////////////////////////////////////////////////////////////
#define MESSAGE_LINE 142    // Used to be 164
#define MAXUSERQUOTES 6
#define MAXCONQUOTES 13

extern long quotebot, quotebotgoal;
extern short user_quote_time[MAXUSERQUOTES];
extern char user_quote[MAXUSERQUOTES][256];

extern long conbot, conbotgoal;
extern char con_quote[MAXCONQUOTES][256];

int minitext(int x,int y,char *t,char p,char sb);
int minitextshade(int x,int y,char *t,char s,char p,char sb);
void operatefta(void);
void adduserquote(char *daquote);
void operateconfta(void);
void addconquote(char *daquote);

///////////////////////////////////////////////////////////////////////////////////////////
//
// Console
//
///////////////////////////////////////////////////////////////////////////////////////////
void CON_Message(BYTEp message, ...);
void CON_ConMessage(BYTEp message, ...);
void CON_StoreArg(BYTEp userarg);
BOOL CON_CheckParm(BYTEp userarg);
void CON_CommandHistory(signed char dir);
BOOL CON_AddCommand(BYTEp command, /*BOOL*/void (*function)(void));
void CON_ProcessUserCommand( void );
void CON_InitConsole( void );

///////////////////////////////////////////////////////////////////////////////////////////
//
// CD - RedBook Audio
//
///////////////////////////////////////////////////////////////////////////////////////////

static int RedBookToSector(int rb);
static void CDAudio_Reset(void);
void CDAudio_Eject(void);
static int CDAudio_GetAudioTrackInfo(BYTE track, int *start);
static int CDAudio_GetAudioDiskInfo(void);
static int CDAudio_GetAudioStatus(void);
static int CDAudio_MediaChange(void);
BYTE CDAudio_GetVolume(void);
void CDAudio_SetVolume(BYTE volume);
void CDAudio_Play(BYTE track, BOOL looping);
void CDAudio_Stop(void);
void CDAudio_Resume(void);
static void CD_f(void);
void CDAudio_Update(void);
BOOL CDAudio_Playing(void);
int CDAudio_Init(void);
void CDAudio_Shutdown(void);

///////////////////////////////////////////////////////////////////////////////////////////
//
// Weapon
//
///////////////////////////////////////////////////////////////////////////////////////////

#define MAX_WEAPONS_KEYS 10
#define MAX_WEAPONS_EXTRA 4 // extra weapons like the two extra head attacks
#define MAX_WEAPONS (MAX_WEAPONS_KEYS + MAX_WEAPONS_EXTRA)

// weapons that not missile type sprites    
#define WPN_NM_LAVA (-8)
#define WPN_NM_SECTOR_SQUISH (-9)

//#define WEAP_ENTRY(id, init_func, damage_lo, damage_hi, radius)

typedef struct
    {
    VOID (*Init)(PLAYERp);
    SHORT damage_lo;
    SHORT damage_hi;
    unsigned int radius;
    SHORT max_ammo;
    SHORT min_ammo;
    SHORT with_weapon;
    char *weapon_name;
    char *ammo_name;
    SHORT weapon_pickup;
    SHORT ammo_pickup;
    } DAMAGE_DATA, *DAMAGE_DATAp;

extern DAMAGE_DATA DamageData[];

// bit arrays that determine if a) Weapon has no ammo b) Weapon is the ammo (no weapon exists)
extern long WeaponHasNoAmmo, WeaponIsAmmo;


VOID InitWeaponFist(PLAYERp);
VOID InitWeaponStar(PLAYERp);
VOID InitWeaponShotgun(PLAYERp);
VOID InitWeaponRocket(PLAYERp);
VOID InitWeaponRail(PLAYERp);
VOID InitWeaponMicro(PLAYERp);
VOID InitWeaponUzi(PLAYERp);
VOID InitWeaponSword(PLAYERp);
VOID InitWeaponHothead(PLAYERp);
VOID InitWeaponElectro(PLAYERp);
VOID InitWeaponHeart(PLAYERp);
VOID InitWeaponGrenade(PLAYERp);
VOID InitWeaponMine(PLAYERp);

VOID InitWeaponNapalm(PLAYERp);
VOID InitWeaponRing(PLAYERp);

extern VOID (*InitWeapon[MAX_WEAPONS])(PLAYERp);

///////////////////////////////////////////////////////////////////////////////////////////
//
// Player 
//
///////////////////////////////////////////////////////////////////////////////////////////

#define MAX_SW_PLAYERS_SW  (4)
#define MAX_SW_PLAYERS_REG (8)
#define MAX_SW_PLAYERS (isShareware ? MAX_SW_PLAYERS_SW : MAX_SW_PLAYERS_REG)

typedef struct
    {
    char map_name[16];
    char numplayers;
    char Episode,Level;
    char LevelSong[16];
    }DEMO_HEADER, *DEMO_HEADERp;
    
typedef struct
    {
    long x,y,z;
    }DEMO_START_POS, *DEMO_START_POSp;

#define MAX_LEVELS_REG 29
#define MAX_LEVELS_SW 4
#define MAX_LEVELS (isShareware ? MAX_LEVELS_SW : MAX_LEVELS_REG)

typedef struct
{
char *LevelName;
char *SongName;
char *Description;
char *BestTime;
char *ParTime;
}LEVEL_INFO, *LEVEL_INFOp, **LEVEL_INFOpp;

extern LEVEL_INFO LevelInfo[MAX_LEVELS_REG+2];

#define MAX_EPISODE_NAME_LEN 24
extern char EpisodeNames[2][MAX_EPISODE_NAME_LEN+2];	// +2 = leading '^' and trailing NULL

#define MAX_EPISODE_SUBTITLE_LEN 40
extern char EpisodeSubtitles[2][MAX_EPISODE_SUBTITLE_LEN+1];

#define MAX_SKILL_NAME_LEN 24
extern char SkillNames[4][MAX_SKILL_NAME_LEN+2];

#define MAX_FORTUNES 16
extern char *ReadFortune[MAX_FORTUNES];

#define MAX_KEYS 8
extern char *KeyMsg[MAX_KEYS];
extern CHARp KeyDoorMessage[MAX_KEYS];

typedef struct 
    {
    SHORT vel;
    SHORT svel;
    CHAR angvel;
    CHAR aimvel;
    LONG bits;
    }SW_PACKET;
    
extern SW_PACKET loc;    

#define PACK 1

extern long DemoRecCnt;

extern FILE *DemoFile;
extern BOOL DemoPlaying;
extern BOOL DemoRecording;
extern BOOL DemoEdit;
extern BOOL DemoMode;
extern BOOL CameraTestMode;
extern CHAR DemoFileName[16];
extern CHAR DemoLevelName[16];

#define DEMO_BUFFER_MAX 2048
extern SW_PACKET DemoBuffer[DEMO_BUFFER_MAX];    
    
enum PlayerDeathTypes
    {
    PLAYER_DEATH_FLIP, PLAYER_DEATH_CRUMBLE, PLAYER_DEATH_EXPLODE, PLAYER_DEATH_RIPPER, PLAYER_DEATH_SQUISH, PLAYER_DEATH_DROWN, MAX_PLAYER_DEATHS
    };
    
typedef void (*PLAYER_ACTION_FUNCp)(PLAYERp);

#include "inv.h"

typedef struct
{
short cursectnum,lastcursectnum,pang,filler;
long xvect,yvect,oxvect,oyvect,slide_xvect,slide_yvect;
long posx,posy,posz;
SECTOR_OBJECTp sop_control;
}REMOTE_CONTROL, *REMOTE_CONTROLp;
    
struct PLAYERstruct
    {
    // variable that fit in the sprite or user structure
    long posx, posy, posz;
    // interpolation
    long 
    oposx, oposy, oposz;
    short oang;
    short ohoriz;
    
    // holds last valid move position
    short lv_sectnum;
    long lv_x,lv_y,lv_z;
    
    SPRITEp remote_sprite;
    REMOTE_CONTROL remote;
    SECTOR_OBJECTp sop_remote;
    SECTOR_OBJECTp sop;  // will either be sop_remote or sop_control

    long jump_count, jump_speed;     // jumping
    short down_speed, up_speed; // diving
    long z_speed,oz_speed; // used for diving and flying instead of down_speed, up_speed
    long climb_ndx;
    long hiz,loz;
    long ceiling_dist,floor_dist;
    SECTORp hi_sectp, lo_sectp;
    SPRITEp hi_sp, lo_sp;

    SPRITEp last_camera_sp;
    long camera_dist; // view mode dist
    long circle_camera_dist; 
    long six,siy,siz; // save player interp position for PlayerSprite
    short siang;
    
    long xvect, yvect;
    long oxvect, oyvect;
    long friction;
    long slide_xvect, slide_yvect;
    short slide_ang;
    long slide_dec;
    long drive_angvel;
    long drive_oangvel;
    
    
    
    // scroll 2D mode stuff
    long scr_x, scr_y, oscr_x, oscr_y;
    long scr_xvect, scr_yvect;
    short scr_ang, oscr_ang, scr_sectnum;
    
    short view_outside_dang;  // outside view delta ang
    short circle_camera_ang;
    short camera_check_time_delay;
        
    short pang,cursectnum,lastcursectnum;
    short turn180_target; // 180 degree turn

    // variables that do not fit into sprite structure
    long horizbase,horiz,horizoff,hvel,tilt,tilt_dest;
    short recoil_amt;
    short recoil_speed;
    short recoil_ndx;
    short recoil_horizoff;
    
    long oldposx,oldposy,oldposz;
    long RevolveX, RevolveY;
    short RevolveDeltaAng, RevolveAng;
    
    // under vars are for wading and swimming
    short PlayerSprite, PlayerUnderSprite;
    SPRITEp SpriteP, UnderSpriteP;
    
    
    short pnum; // carry along the player number
    
    short LadderSector,LadderAngle;
    long lx,ly; // ladder x and y
    short JumpDuration;
    short WadeDepth;
    short bob_amt;
    short bob_ndx;
    short bcnt; // bob count
    long bob_z;
    
    //Multiplayer variables
    SW_PACKET input;

    //FIFO queue to hold values while faketimerhandler is called from within the drawing routing
    #define MOVEFIFOSIZ 256
    SW_PACKET inputfifo[MOVEFIFOSIZ];
    
    
    long movefifoend;
    long myminlag;
    long syncvalhead;
    #define MAXSYNCBYTES 16
	// TENSW: on really bad network connections, the sync FIFO queue can overflow if it is the
	// same size as the move fifo.
	#define SYNCFIFOSIZ 1024
    BYTE syncval[SYNCFIFOSIZ][MAXSYNCBYTES];

    // must start out as 0
    long playerreadyflag;
    
    PLAYER_ACTION_FUNCp DoPlayerAction;
    long Flags, Flags2;
    long KeyPressFlags;
    
    SECTOR_OBJECTp sop_control; // sector object pointer
    SECTOR_OBJECTp sop_riding; // sector object pointer

    struct 
    {
    PANEL_SPRITEp Next, Prev;
    }PanelSpriteList;

    // Key stuff
    #define NUM_KEYS 8
    char HasKey[NUM_KEYS];
    
    // Weapon stuff
    short SwordAng;
    long WpnGotOnceFlags; // for no respawn mode where weapons are allowed grabbed only once
    long WpnFlags;
    short WpnAmmo[MAX_WEAPONS];
    short WpnNum;
    PANEL_SPRITEp CurWpn;
    PANEL_SPRITEp Wpn[MAX_WEAPONS];
    PANEL_SPRITEp Chops;
    char WpnRocketType; // rocket type
    char WpnRocketHeat; // 5 to 0 range
    char WpnRocketNuke; // 1, you have it, or you don't
    char WpnFlameType; // Guardian weapons fire 
    char WpnFirstType; // First weapon type - Sword/Shuriken
    char WeaponType; // for weapons with secondary functions 
    short FirePause; // for sector objects - limits rapid firing
    //
    // Inventory Vars
    //
    short InventoryNum;
    short InventoryBarTics;
    PANEL_SPRITEp InventorySprite[MAX_INVENTORY]; 
    PANEL_SPRITEp InventorySelectionBox; 
    PANEL_SPRITEp MiniBarHealthBox, MiniBarAmmo;
    PANEL_SPRITEp MiniBarHealthBoxDigit[3], MiniBarAmmoDigit[3];
    short InventoryTics[MAX_INVENTORY];
    short InventoryPercent[MAX_INVENTORY];
    CHAR InventoryAmount[MAX_INVENTORY];
    BOOL InventoryActive[MAX_INVENTORY];
    
    short DiveTics;
    short DiveDamageTics;
    
    // Death stuff
    short DeathType;
    short Kills;
    short Killer;  //who killed me
    short KilledPlayer[MAX_SW_PLAYERS_REG];
    short SecretsFound;
    
    // Health
    short Armor;
    short MaxHealth;
    
    //char RocketBarrel;
    CHAR PlayerName[32];
    
    char UziShellLeftAlt;
    char UziShellRightAlt;
    char TeamColor;  // used in team play and also used in regular mulit-play for show
    
    // palette fading up and down for player hit and get items
    short FadeTics;                 // Tics between each fade cycle
    short FadeAmt;                  // Current intensity of fade
    BOOL NightVision;               // Is player's night vision active?
    unsigned char StartColor;       // Darkest color in color range being used
    //short electro[64];
    unsigned char temp_pal[768];    // temporary working palette
    BOOL IsAI;                      // Is this and AI character?
    short fta,ftq;                  // First time active and first time quote, for talking in multiplayer games
    short NumFootPrints;            // Number of foot prints left to lay down
    BOOL PlayerTalking;             // Is player currently talking
    int TalkVocnum;                 // Number of sound that player is using
    int TalkVocHandle;              // Handle of sound in sound queue, to access in Dose's code
    char WpnUziType;                // Toggle between single or double uzi's if you own 2.
    char WpnShotgunType;            // Shotgun has normal or fully automatic fire
    char WpnShotgunAuto;            // 50-0 automatic shotgun rounds
    char WpnShotgunLastShell;       // Number of last shell fired
    char WpnRailType;               // Normal Rail Gun or EMP Burst Mode
    BOOL Bloody;                    // Is player gooey from the slaughter?
    int nukevochandle;              // Stuff for the Nuke
    BOOL InitingNuke;
    BOOL TestNukeInit;
    BOOL NukeInitialized;           // Nuke already has counted down
    short FistAng;                  // KungFu attack angle
    char WpnKungFuMove;             // KungFu special moves
    BOOL BunnyMode;                 // Can shoot Bunnies out of rocket launcher
    short HitBy;                    // SpriteNum of whatever player was last hit by
    short Reverb;                   // Player's current reverb setting
    short Heads;                    // Number of Accursed Heads orbiting player
    long PlayerVersion;
    };
    
extern PLAYER Player[MAX_SW_PLAYERS_REG+1];


//
// Player Flags
//    
    
#define PF_DEAD             (BIT(1))
#define PF_JUMPING          (BIT(2))
#define PF_FALLING          (BIT(3))
#define PF_LOCK_CRAWL       (BIT(4))
#define PF_LOCK_HORIZ       (BIT(5))
#define PF_LOOKING          (BIT(6))
#define PF_PLAYER_MOVED     (BIT(7))
#define PF_PLAYER_RIDING    (BIT(8))
#define PF_AUTO_AIM         (BIT(9))
#define PF_RECOIL           (BIT(10))

#define PF_FLYING           (BIT(11))
#define PF_WEAPON_RETRACT   (BIT(12))
#define PF_PICKED_UP_AN_UZI (BIT(13))
#define PF_CRAWLING         (BIT(14))
#define PF_CLIMBING         (BIT(15))
#define PF_SWIMMING         (BIT(16))
#define PF_DIVING           (BIT(17))
#define PF_DIVING_IN_LAVA   (BIT(18))
#define PF_TWO_UZI          (BIT(19))
#define PF_LOCK_RUN         (BIT(20))
#define PF_TURN_180         (BIT(21))
#define PF_DEAD_HEAD        (BIT(22)) // are your a dead head
#define PF_HEAD_CONTROL     (BIT(23)) // have control of turning when a head?
#define PF_CLIP_CHEAT       (BIT(24)) // cheat for wall clipping
#define PF_SLIDING          (BIT(25)) // cheat for wall clipping
#define PF_VIEW_FROM_OUTSIDE   (BIT(26)) 
#define PF_VIEW_OUTSIDE_WEAPON (BIT(27)) 
#define PF_VIEW_FROM_CAMERA   (BIT(28)) 
#define PF_TANK             (BIT(29)) // Doin the tank thang
#define PF_MOUSE_AIMING_ON (BIT(30))
#define PF_WEAPON_DOWN       (BIT(31))

#define PF2_TELEPORTED        (BIT(0))
#if MEGAWANG
#define PF2_OPERATE           (BIT(1))
#endif

///////////////////////////////////////////////////////////////////////////////////////////
//
// Actor
//
///////////////////////////////////////////////////////////////////////////////////////////

//
// Hit Points
//

#define HEALTH_RIPPER            70
#define HEALTH_RIPPER2           200
#define HEALTH_MOMMA_RIPPER      500
#define HEALTH_NINJA             40
#define HEALTH_RED_NINJA         160
#define HEALTH_COOLIE            120
#define HEALTH_COOLIE_GHOST      65
#define HEALTH_SKEL_PRIEST       90
#define HEALTH_GORO              200
#define HEALTH_HORNET            4
#define HEALTH_SKULL             4
#define HEALTH_EEL               100

#define HEALTH_SERP_GOD          3800

//
// Action Set Structure
//

typedef struct
{
#define MAX_ACTOR_CLOSE_ATTACK 2
#define MAX_ACTOR_ATTACK 6
STATEp *Stand;
STATEp *Run;
STATEp *Jump;
STATEp *Fall;
STATEp *Crawl;
STATEp *Swim;
STATEp *Fly;
STATEp *Rise;
STATEp *Sit;
STATEp *Look;
STATEp *Climb;
STATEp *Pain;
STATEp *Death1;
STATEp *Death2;
STATEp *Dead;
STATEp *DeathJump;
STATEp *DeathFall;

STATEp *CloseAttack[MAX_ACTOR_CLOSE_ATTACK];
short  CloseAttackPercent[MAX_ACTOR_CLOSE_ATTACK];

STATEp *Attack[MAX_ACTOR_ATTACK];
short  AttackPercent[MAX_ACTOR_ATTACK];

STATEp *Special[2];
STATEp *Duck;
STATEp *Dive;
}ACTOR_ACTION_SET,*ACTOR_ACTION_SETp;

typedef struct 
{
long pos;           // current position - always moves toward tgt
long open_dest;     // destination of open position
long tgt;           // current target
long speed;         // speed of movement
long orig_speed;    // original speed - vel jacks with speed
long vel;           // velocity adjuments
long num_walls;     // save off positions of walls for rotator
long *origx;
long *origy;
}ROTATOR, *ROTATORp;

//
// User Extension record
//

typedef struct 
{
    //
    // Variables that can be used by actors and Player
    //
    ROTATORp rotator;
    
    // wall vars for lighting
    int WallCount;
    CHARp WallShade; // malloced - save off wall shades for lighting
    
    WALLp WallP; // operate on wall instead of sprite
    STATEp State;
    STATEp *Rot;
    STATEp StateStart;
    STATEp StateEnd;
    STATEp *StateFallOverride; // a bit kludgy - override std fall state

    ANIMATORp ActorActionFunc;
    ACTOR_ACTION_SETp ActorActionSet;
    PERSONALITYp Personality;
    ATTRIBUTEp Attrib;
    SECTOR_OBJECTp sop_parent;  // denotes that this sprite is a part of the 
                                // sector object - contains info for the SO
    
    long ox, oy, oz;
    
    long Flags;
    long Flags2;
    long Tics;
    
    short RotNum;
    short ID;
    
    // Health/Pain related
    short Health;
    short MaxHealth;
    
    short LastDamage;           // last damage amount taken
    short PainThreshold;       // amount of damage that can be taken before
                // going into pain frames.
    
    // jump & fall
    short jump_speed;
    short jump_grav;
    
    // clipmove
    short ceiling_dist;
    short floor_dist;
    short lo_step;
    long hiz,loz;
    long zclip; // z height to move up for clipmove
    SECTORp hi_sectp, lo_sectp;
    SPRITEp hi_sp, lo_sp;
    
    long active_range;
    
    short   SpriteNum;
    short   Attach;  // attach to sprite if needed - electro snake
    SPRITEp SpriteP;

    // if a player's sprite points to player structure
    PLAYERp PlayerP; 
    short Sibling;

    
    //
    // Possibly used by both.
    //
    
    // precalculated vectors
    long xchange,ychange,zchange;
    
    long  z_tgt;
    
    // velocity
    long  vel_tgt;
    short vel_rate;
    BYTE speed; // Ordinal Speed Range 0-3 from slow to fast
    
    short Counter;
    short Counter2;
    short Counter3;
    short DamageTics;
    short BladeDamageTics;
    
    short WpnGoal;
    unsigned int Radius;    // for distance checking
    long  OverlapZ;  // for z overlap variable
    
    // 
    // Only have a place for actors
    //
    
    // For actors on fire
    short flame;
    
    // target player for the enemy - can only handle one player at at time
    //PLAYERp tgt_player;
    SPRITEp tgt_sp;
    
    // scaling
    short scale_speed;
    unsigned short scale_value;
    short scale_tgt;
    
    // zig zagging
    short DistCheck;
    //short ZigZagDist;
    //short ZigZagAng;
    //short ZigZagDir;
    
    short Dist;
    short TargetDist;
    short WaitTics;
    
    // track
    short track;
    short point;
    short track_dir;
    long  track_vel;
    
    // sliding variables - slide backwards etc
    short slide_ang;     
    long  slide_vel;     
    short slide_dec;
    
    short motion_blur_dist;
    short motion_blur_num;

    short wait_active_check;  // for enemy checking of player
    short inactive_time; // length of time actor has been unaware of his tgt
    long  sx,sy,sz;
    short sang;
    char spal;  // save off default palette number
    
    long ret; //holder for move_sprite return value
    
    // Need to get rid of these flags
    long  Flag1;
    
    CHAR  LastWeaponNum;
    CHAR  WeaponNum;
    
    short bounce;           // count bounces off wall for killing shrap stuff
    // !JIM! my extensions
    long ShellNum;          // This is shell no. 0 to whatever
                            // Shell gets deleted when ShellNum < (ShellCount - MAXSHELLS) 
    short FlagOwner;        // The spritenum of the original flag
    short Vis;              // Shading upgrade, for shooting, etc...
    BOOL DidAlert;          // Has actor done his alert noise before?
}USER,*USERp;

// sprite->extra flags
// BUILD AND GAME - DO NOT MOVE THESE
#define SPRX_SKILL              (BIT(0) | BIT(1) | BIT(2)) 

                                            // BIT(4) ST1 BUILD AND GAME
#define SPRX_STAY_PUT_VATOR     (BIT(5))    // BUILD AND GAME - will not move with vators etc
                                            // DO NOT MOVE THIS
                                            
#define SPRX_STAG               (BIT(6))    // BUILD AND GAME - NON-ST1 sprite with ST1 type tagging
                                            // DO NOT MOVE
                                            
#define SPRX_QUEUE_SPRITE       (BIT(7))    // Queue sprite -check queue when deleting
#define SPRX_MULTI_ITEM         (BIT(9))    // BUILD AND GAME - multi player item
                                            
// have users - could be moved
#define SPRX_PLAYER_OR_ENEMY    (BIT(11))   // for checking quickly if sprite is a 
                                            // player or actor
// do not need Users
#define SPRX_FOUND              (BIT(12))   // BUILD ONLY INTERNAL - used for finding sprites
#define SPRX_BLADE              (BIT(12))   // blade sprite 
#define SPRX_BREAKABLE          (BIT(13))   // breakable items
#define SPRX_BURNABLE           (BIT(14))   // used for burnable sprites in the game

// temp use
#define SPRX_BLOCK              (BIT(15))   // BUILD AND GAME 
                                            // BUILD - tell which actors should not spawn
                                            // GAME - used for internal game code
                                            // ALT-M debug mode

// !LIGHT                                            
// all three bits set - should never happen with skill
// #define SPRX_USER_NON_STANDARD  (BIT(0)|BIT(1)|BIT(2))   // used for lighting

// boolean flags carried over from build
#define SPRX_BOOL11 (BIT(5))
#define SPRX_BOOL1 (BIT(6))
#define SPRX_BOOL2 (BIT(7))
#define SPRX_BOOL3 (BIT(8))
#define SPRX_BOOL4 (BIT(9))
#define SPRX_BOOL5 (BIT(10))
#define SPRX_BOOL6 (BIT(11))
#define SPRX_BOOL7 (BIT(4))  // bit 12 was used build
#define SPRX_BOOL8 (BIT(13))
#define SPRX_BOOL9 (BIT(14))
#define SPRX_BOOL10 (BIT(15))

#define SET_BOOL1(sp) SET((sp)->extra, SPRX_BOOL1)
#define SET_BOOL2(sp) SET((sp)->extra, SPRX_BOOL2)
#define SET_BOOL3(sp) SET((sp)->extra, SPRX_BOOL3)
#define SET_BOOL4(sp) SET((sp)->extra, SPRX_BOOL4)
#define SET_BOOL5(sp) SET((sp)->extra, SPRX_BOOL5)
#define SET_BOOL6(sp) SET((sp)->extra, SPRX_BOOL6)
#define SET_BOOL7(sp) SET((sp)->extra, SPRX_BOOL7)
#define SET_BOOL8(sp) SET((sp)->extra, SPRX_BOOL8)
#define SET_BOOL9(sp) SET((sp)->extra, SPRX_BOOL9)
#define SET_BOOL10(sp) SET((sp)->extra, SPRX_BOOL10)
#define SET_BOOL11(sp) SET((sp)->extra, SPRX_BOOL11)

#define RESET_BOOL1(sp) RESET((sp)->extra, SPRX_BOOL1)
#define RESET_BOOL2(sp) RESET((sp)->extra, SPRX_BOOL2)
#define RESET_BOOL3(sp) RESET((sp)->extra, SPRX_BOOL3)
#define RESET_BOOL4(sp) RESET((sp)->extra, SPRX_BOOL4)
#define RESET_BOOL5(sp) RESET((sp)->extra, SPRX_BOOL5)
#define RESET_BOOL6(sp) RESET((sp)->extra, SPRX_BOOL6)
#define RESET_BOOL7(sp) RESET((sp)->extra, SPRX_BOOL7)
#define RESET_BOOL8(sp) RESET((sp)->extra, SPRX_BOOL8)
#define RESET_BOOL9(sp) RESET((sp)->extra, SPRX_BOOL9)
#define RESET_BOOL10(sp) RESET((sp)->extra, SPRX_BOOL10)
#define RESET_BOOL11(sp) RESET((sp)->extra, SPRX_BOOL11)

#define TEST_BOOL1(sp) TEST((sp)->extra, SPRX_BOOL1)
#define TEST_BOOL2(sp) TEST((sp)->extra, SPRX_BOOL2)
#define TEST_BOOL3(sp) TEST((sp)->extra, SPRX_BOOL3)
#define TEST_BOOL4(sp) TEST((sp)->extra, SPRX_BOOL4)
#define TEST_BOOL5(sp) TEST((sp)->extra, SPRX_BOOL5)
#define TEST_BOOL6(sp) TEST((sp)->extra, SPRX_BOOL6)
#define TEST_BOOL7(sp) TEST((sp)->extra, SPRX_BOOL7)
#define TEST_BOOL8(sp) TEST((sp)->extra, SPRX_BOOL8)
#define TEST_BOOL9(sp) TEST((sp)->extra, SPRX_BOOL9)
#define TEST_BOOL10(sp) TEST((sp)->extra, SPRX_BOOL10)
#define TEST_BOOL11(sp) TEST((sp)->extra, SPRX_BOOL11)

// User->Flags flags
#define SPR_MOVED               BIT(0) // Did actor move
#define SPR_ATTACKED            BIT(1) // Is sprite being attacked?
#define SPR_TARGETED            BIT(2) // Is sprite a target of a weapon?
#define SPR_ACTIVE              BIT(3) // Is sprite aware of the player?
#define SPR_ELECTRO_TOLERANT    BIT(4) // Electro spell does not slow actor
#define SPR_JUMPING             BIT(5) // Actor is jumping
#define SPR_FALLING             BIT(6) // Actor is falling
#define SPR_CLIMBING            BIT(7) // Actor is falling
#define SPR_DEAD               BIT(8) // Actor is dying 

#define SPR_ZDIFF_MODE          BIT(10) // For following tracks at different z heights
#define SPR_SPEED_UP            BIT(11) // For following tracks at different speeds
#define SPR_SLOW_DOWN           BIT(12) // For following tracks at different speeds
#define SPR_DONT_UPDATE_ANG     BIT(13) // For tracks - don't update the angle for a while

#define SPR_SO_ATTACHED            BIT(14) // sprite is part of a sector object
#define SPR_SUICIDE             BIT(15) // sprite is set to kill itself

#define SPR_RUN_AWAY            BIT(16) // sprite is in "Run Away" track mode.
#define SPR_FIND_PLAYER         BIT(17) // sprite is in "Find Player" track mode.

#define SPR_SWIMMING            BIT(18) // Actor is swimming
#define SPR_WAIT_FOR_PLAYER     BIT(19) // Track Mode - Actor is waiting for player to come close
#define SPR_WAIT_FOR_TRIGGER    BIT(20) // Track Mode - Actor is waiting for player to trigger
#define SPR_SLIDING             BIT(21) // Actor is sliding
#define SPR_ON_SO_SECTOR        BIT(22) // sprite is on a sector object sector

#define SPR_SHADE_DIR           BIT(23) // sprite is on a sector object sector
#define SPR_XFLIP_TOGGLE        BIT(24) // sprite rotation xflip bit
#define SPR_NO_SCAREDZ          BIT(25) // not afraid of falling

#define SPR_SET_POS_DONT_KILL   BIT(26) // Don't kill sprites in MissileSetPos
#define SPR_SKIP2               BIT(27) // 20 moves ps
#define SPR_SKIP4               BIT(28) // 10 moves ps

#define SPR_BOUNCE              BIT(29) // For shrapnel types that can bounce once
#define SPR_UNDERWATER          BIT(30) // For missiles etc 

#define SPR_SHADOW              BIT(31) // Sprites that have shadows 

// User->Flags2 flags
#define SPR2_BLUR_TAPER         (BIT(13)|BIT(14))   // taper type
#define SPR2_BLUR_TAPER_FAST    (BIT(13))   // taper fast
#define SPR2_BLUR_TAPER_SLOW    (BIT(14))   // taper slow
#define SPR2_SPRITE_FAKE_BLOCK  (BIT(15))   // fake blocking bit for damage
#define SPR2_NEVER_RESPAWN      (BIT(16))   // for item respawning
#define SPR2_ATTACH_WALL        (BIT(17))   
#define SPR2_ATTACH_FLOOR       (BIT(18))   
#define SPR2_ATTACH_CEILING     (BIT(19))   
#define SPR2_CHILDREN           (BIT(20))   // sprite OWNS children
#define SPR2_SO_MISSILE         (BIT(21))   // this is a missile from a SO
#define SPR2_DYING              (BIT(22))   // Sprite is currently dying
#define SPR2_VIS_SHADING        (BIT(23))   // Sprite shading to go along with vis adjustments
#define SPR2_DONT_TARGET_OWNER  (BIT(24))


extern USERp User[MAXSPRITES];

typedef struct
    {
    short Xdim, Ydim, ScreenSize;
    }BORDER_INFO,*BORDER_INFOp;        


typedef struct
    {
    short high;
    }RANGE,*RANGEp;

    
///////////////////////////////////////////////////////////////////////////////////////////
//
// Sector Stuff - Sector Objects and Tracks
//
///////////////////////////////////////////////////////////////////////////////////////////

// flags in EXTRA variable
#define SECTFX_SINK                  BIT(0)
#define SECTFX_OPERATIONAL           BIT(1)
#define SECTFX_WARP_SECTOR           BIT(2)
#define SECTFX_CURRENT               BIT(3)
#define SECTFX_Z_ADJUST              BIT(4) // adjust ceiling/floor
#define SECTFX_NO_RIDE               BIT(5) // moving sector - don't ride it
#define SECTFX_DYNAMIC_AREA          BIT(6)
#define SECTFX_DIVE_AREA             BIT(7) // Diving area
#define SECTFX_UNDERWATER            BIT(8) // Underwater area
#define SECTFX_UNDERWATER2           BIT(9) // Underwater area

#define SECTFX_LIQUID_MASK           (BIT(10)|BIT(11)) // only valid for sectors with depth
#define SECTFX_LIQUID_NONE           (0)
#define SECTFX_LIQUID_LAVA           BIT(10)
#define SECTFX_LIQUID_WATER          BIT(11)
#define SECTFX_SECTOR_OBJECT         BIT(12)  // for collision detection
#define SECTFX_VATOR                 BIT(13)  // denotes that this is a vertical moving sector
                                              // vator type
#define SECTFX_TRIGGER               BIT(14)  // trigger type to replace tags.h trigger types                                              

// flags in sector USER structure
#define SECTFU_SO_DONT_BOB          BIT(0)
#define SECTFU_SO_SINK_DEST         BIT(1)
#define SECTFU_SO_DONT_SINK         BIT(2)
#define SECTFU_DONT_COPY_PALETTE    BIT(3)
#define SECTFU_SO_SLOPE_FLOOR_TO_POINT BIT(4)
#define SECTFU_SO_SLOPE_CEILING_TO_POINT BIT(5)
#define SECTFU_DAMAGE_ABOVE_SECTOR  BIT(6)
#define SECTFU_VATOR_BOTH           BIT(7)  // vators set up for both ceiling and floor
#define SECTFU_CANT_SURFACE         BIT(8)  // for diving
#define SECTFU_SLIDE_SECTOR         BIT(9)  // for diving

#define MAKE_STAG_ENUM
enum stag_id
{
   #include "stag.h"
};
typedef enum stag_id STAG_ID;
#undef MAKE_STAG_ENUM


#define WALLFX_LOOP_DONT_SPIN            BIT(0)
#define WALLFX_LOOP_REVERSE_SPIN         BIT(1)
#define WALLFX_LOOP_SPIN_2X              BIT(2)
#define WALLFX_LOOP_SPIN_4X              BIT(3)
#define WALLFX_LOOP_OUTER                BIT(4) // for sector object
#define WALLFX_DONT_MOVE                 BIT(5) // for sector object
#define WALLFX_SECTOR_OBJECT             BIT(6) // for collision detection
#define WALLFX_DONT_STICK                BIT(7) // for bullet holes and stars
#define WALLFX_DONT_SCALE                BIT(8) // for sector object
#define WALLFX_LOOP_OUTER_SECONDARY      BIT(9) // for sector object

enum ShrapType 
{
SHRAP_NONE              = 0,                                                           
SHRAP_GLASS             = 1,  // 
SHRAP_TREE_BARK         = 2,  // (NEED) outside tree bark
SHRAP_SO_SMOKE          = 3,  // only used for damaged SO's
SHRAP_PAPER             = 4,  // 
SHRAP_BLOOD             = 5,  // std blood from gibs
SHRAP_EXPLOSION         = 6,  // small explosion
SHRAP_LARGE_EXPLOSION   = 7,  // large explosion
SHRAP_METAL             = 8,  //
SHRAP_STONE             = 9,  // what we have might be ok
SHRAP_PLANT             = 10, // (NEED)
SHRAP_GIBS              = 11, // std blood and guts
SHRAP_WOOD              = 12, // 
SHRAP_GENERIC           = 13, // what we have might be ok - sort of gray brown rock look
SHRAP_TREE_PULP         = 14, // (NEED) inside tree wood
SHRAP_COIN              = 15,
SHRAP_METALMIX          = 16,
SHRAP_WOODMIX           = 17,
SHRAP_MARBELS           = 18,
SHRAP_PAPERMIX          = 19,
SHRAP_USER_DEFINED      = 99
};
                                                           
typedef struct
    {
    long dist, flags;
    short depth_fract, depth; // do NOT change this, doubles as a long FIXED point number
    short stag,    // ST? tag number - for certain things it helps to know it
        ang,     
        height, 
        speed, 
        damage, 
        number;  // usually used for matching number
    BYTE    flags2;            
    }SECT_USER, *SECT_USERp;   
    
extern SECT_USERp SectUser[MAXSECTORS];    
SECT_USERp SpawnSectUser(short sectnum);

    
typedef struct
    {
    unsigned int size, checksum;
    }MEM_HDR,*MEM_HDRp;
    
BOOL ValidPtr(VOID *ptr);
VOID * AllocMem(int size);
VOID * CallocMem(int size, int num);
VOID * ReAllocMem(VOID *ptr, int size);
VOID FreeMem(VOID *ptr);
    
typedef struct 
  {
  short sprite_num;
  short dang;
  long dist;
  long weight;
  }TARGET_SORT, *TARGET_SORTp;    
    
#define MAX_TARGET_SORT 16    
extern TARGET_SORT TargetSort[MAX_TARGET_SORT];
extern unsigned TargetSortCount;
    
enum DoorType
    {
    OPERATE_TYPE,
    DOOR_HORIZ_TYPE,
    DOOR_SLIDE_TYPE,
    DOOR_SWING_TYPE,
    DOOR_ROTATE_TYPE
    };

typedef enum DoorType DOOR_TYPE;

typedef struct
    {
    DOOR_TYPE Type;
    short Sector;
    short Speed;
    short TimeOut;
    } DOOR_AUTO_CLOSE, *DOOR_AUTO_CLOSEp;

#define MAX_DOOR_AUTO_CLOSE 16

typedef struct
    {
    long origx[17], origy[17];
    short sector, angopen, angclosed, angopendir, sang, anginc, wall[17];
    } SWING;

typedef struct
    {
    long floor_origz, ceiling_origz, range;
    short sector, sintable_ndx, speed_shift;
    char flags;
    } SINE_WAVE_FLOOR, *SINE_WAVE_FLOORp;

#define MAX_SINE_WAVE 6
extern SINE_WAVE_FLOOR SineWaveFloor[MAX_SINE_WAVE][21];

typedef struct
    {
    long orig_xy, range;
    short wall, sintable_ndx, speed_shift, type;
    } SINE_WALL, *SINE_WALLp;

#define MAX_SINE_WALL 10
#define MAX_SINE_WALL_POINTS 64
extern SINE_WALL SineWall[MAX_SINE_WALL][MAX_SINE_WALL_POINTS];

typedef struct
    {
    short Sector, TimeOut;
    } SPRING_BOARD;

extern SPRING_BOARD SpringBoard[20];
extern SWING Rotate[17];

typedef struct
    {
    short sector, speed;
    long xmid, ymid;
    } SPIN;

extern SPIN Spin[17];
extern DOOR_AUTO_CLOSE DoorAutoClose[MAX_DOOR_AUTO_CLOSE];
extern long x_min_bound, y_min_bound, x_max_bound, y_max_bound; 

#define MAXANIM 256   
typedef void ANIM_CALLBACK(ANIMp, void *);
typedef ANIM_CALLBACK *ANIM_CALLBACKp;
typedef void *ANIM_DATAp;

struct ANIMstruct
    {
    long *ptr, goal;
    long vel;
    short vel_adj;
    ANIM_CALLBACKp callback;
    ANIM_DATAp callbackdata;
    };

extern ANIM Anim[MAXANIM];   
extern short AnimCnt;


typedef struct
    {
    long x,y,z;
    short ang, tag_low, tag_high, filler;
    }TRACK_POINT, *TRACK_POINTp;

typedef struct
    {
    TRACK_POINTp TrackPoint;
    long ttflags;
    short flags;
    short NumPoints;
    }TRACK, *TRACKp;
    
// Most track type flags are in tags.h    

// Regular track flags
#define TF_TRACK_OCCUPIED BIT(0)
    
typedef struct 
    {
    BYTE FromRange,ToRange,FromColor,ToColor;
    }COLOR_MAP, *COLOR_MAPp;
    
#define MAX_TRACKS 100
    
extern TRACK Track[MAX_TRACKS];

struct SECTOR_OBJECTstruct
    {
    #define MAX_SO_SECTOR 40
    #define MAX_SO_POINTS (MAX_SO_SECTOR*15)
    #define MAX_SO_SPRITE 60
    #define MAX_CLIPBOX 32

    SECTORp sectp[MAX_SO_SECTOR];
    soANIMATORp PreMoveAnimator;
    soANIMATORp PostMoveAnimator;
    soANIMATORp Animator;
    SPRITEp controller;
    
    SPRITEp sp_child;  // child sprite that holds info for the sector object
    
    long    xmid,ymid,zmid, // midpoints of the sector object
        vel,            // velocity
        vel_tgt,        // target velocity
        player_xoff,    // player x offset from the xmid
        player_yoff,    // player y offset from the ymid
        zorig_floor[MAX_SO_SECTOR],      // original z values for all sectors
        zorig_ceiling[MAX_SO_SECTOR],      // original z values for all sectors
        zdelta,         // z delta from original
        z_tgt,          // target z delta
        z_rate,         // rate at which z aproaches target
        update,         // Distance from player at which you continue updating
                // only works for single player.
        bob_diff,       // bobbing difference for the frame
        target_dist,    // distance to next point
        floor_loz,      // floor low z
        floor_hiz,      // floor hi z
        morph_z,        // morphing point z
        morph_z_min,    // morphing point z min
        morph_z_max,
        bob_amt,        // bob amount max in z coord
        // variables set by mappers for drivables
        drive_angspeed,
        drive_angslide,
        drive_speed,
        drive_slide,
        crush_z,
        flags;
        
    short   sector[MAX_SO_SECTOR],     // hold the sector numbers of the sector object
        sp_num[MAX_SO_SPRITE],     // hold the sprite numbers of the object
        xorig[MAX_SO_POINTS],   // save the original x & y location of each wall so it can be
        yorig[MAX_SO_POINTS],   // refreshed 
        sectnum,        // current secnum of midpoint
        mid_sector,     // middle sector
        max_damage,     // max damage
        ram_damage,     // damage taken by ramming
        wait_tics,      // 
        num_sectors,    // number of sectors
        num_walls,      // number of sectors
        track,          // the track # 0 to 20
        point,          // the point on the track that the sector object is headed toward
        vel_rate,       // rate at which velocity aproaches target
        dir,            // direction traveling on the track
        ang,            // angle facing
        ang_moving,     // angle the SO is facing
        clipdist,       // cliping distance for operational sector objects
        clipbox_dist[MAX_CLIPBOX], // mult-clip box variables
        clipbox_xoff[MAX_CLIPBOX], // mult-clip box variables
        clipbox_yoff[MAX_CLIPBOX], // mult-clip box variables
        clipbox_ang[MAX_CLIPBOX], // mult-clip box variables
        clipbox_vdist[MAX_CLIPBOX], // mult-clip box variables
        clipbox_num,
        ang_tgt,        // target angle
        ang_orig,       // original angle
        last_ang,       // last angle before started spinning
        old_ang,        // holding variable for the old angle
        spin_speed,     // spin_speed
        spin_ang,       // spin angle
        turn_speed,     // shift value determines how fast SO turns to match new angle
        bob_sine_ndx,   // index into sine table
        bob_speed,      // shift value for speed
        op_main_sector, // main sector operational SO moves in - for speed purposes
        save_vel,       // save velocity
        save_spin_speed,// save spin speed
        match_event,    // match number
        match_event_sprite, // spritenum of the match event sprite
        // SO Scaling Vector Info
        scale_type,         // type of scaling - enum controled
        scale_active_type,  // activated by a switch or trigger
        
        // values for whole SO
        scale_dist,         // distance from center
        scale_speed,        // speed of scaling
        scale_dist_min,     // absolute min
        scale_dist_max,     // absolute max
        scale_rand_freq,    // freqency of direction change - based on rand(1024)

        // values for single point scaling
        scale_point_dist[MAX_SO_POINTS],         // distance from center
        scale_point_speed[MAX_SO_POINTS],        // speed of scaling
        scale_point_base_speed,                       // base speed of scaling
        scale_point_dist_min,     // absolute min
        scale_point_dist_max,     // absolute max
        scale_point_rand_freq,    // freqency of direction change - based on rand(1024)

        scale_x_mult,           // x multiplyer for scaling
        scale_y_mult,           // y multiplyer for scaling
        
        // Used for center point movement
        morph_wall_point,       // actual wall point to drag
        morph_ang,              // angle moving from CENTER
        morph_speed,            // speed of movement
        morph_dist_max,         // radius boundry
        morph_rand_freq,        // freq of dir change
        morph_dist,             // dist from CENTER
        morph_z_speed,          // z speed for morph point
        morph_xoff,             // save xoff from center
        morph_yoff,             // save yoff from center
        
        //scale_rand_reverse,            // random at random interval
        // limit rotation angle
        limit_ang_center,// for limiting the angle of turning - turrets etc
        limit_ang_delta; // 
    };
    
#define MAX_SECTOR_OBJECTS 20

#define SOBJ_SPEED_UP           BIT(0)
#define SOBJ_SLOW_DOWN          BIT(1)
#define SOBJ_ZUP                BIT(2)
#define SOBJ_ZDOWN              BIT(3)
#define SOBJ_ZDIFF_MODE         BIT(4) 
#define SOBJ_MOVE_VERTICAL      BIT(5) // for sprite objects - move straight up/down
#define SOBJ_ABSOLUTE_ANGLE     BIT(7) 
#define SOBJ_SPRITE_OBJ         BIT(8) 
#define SOBJ_DONT_ROTATE        BIT(9) 
#define SOBJ_WAIT_FOR_EVENT     BIT(10) 
#define SOBJ_HAS_WEAPON         BIT(11) 
#define SOBJ_SYNC1              BIT(12) // for syncing up several SO's perfectly
#define SOBJ_SYNC2              BIT(13) // for syncing up several SO's perfectly
#define SOBJ_DYNAMIC            BIT(14) // denotes scaling or morphing object
#define SOBJ_ZMID_FLOOR         BIT(15) // can't remember which sector objects need this
                                        // think its the bobbing and sinking ones
#define SOBJ_SLIDE              BIT(16)                                        

#define SOBJ_OPERATIONAL        BIT(17)
#define SOBJ_KILLABLE           BIT(18)
#define SOBJ_DIE_HARD           BIT(19)
#define SOBJ_UPDATE_ONCE        BIT(20)
#define SOBJ_UPDATE             BIT(21)
#define SOBJ_NO_QUAKE           BIT(22)
#define SOBJ_REMOTE_ONLY        BIT(23)
#define SOBJ_RECT_CLIP          BIT(24)
#define SOBJ_BROKEN               BIT(25)

// track set to these to tell them apart
#define SO_OPERATE_TRACK_START 90
#define SO_TURRET_MGUN 96 // machine gun
#define SO_TURRET 97
#define SO_TANK 98
#define SO_SPEED_BOAT 99

extern SECTOR_OBJECT SectorObject[MAX_SECTOR_OBJECTS];    

///////////////////////////////////////////////////////////////////////////////////////////
//
// Prototypes
//
///////////////////////////////////////////////////////////////////////////////////////////

ANIMATOR NullAnimator;

VOID SetBorder(PLAYERp pp, int);
VOID SetFragBar(PLAYERp pp);
int Distance(int x1, int y1, int x2, int y2);
short GetDeltaAngle(short, short);
int move_actor(short SpriteNum, long xchange, long ychange, long zchange);

int SetActorRotation(short SpriteNum,long,long);
int NewStateGroup(short SpriteNum, STATEp SpriteGroup[]);
VOID SectorMidPoint(short sectnum, long *xmid, long *ymid, long *zmid);
USERp SpawnUser(short SpriteNum, short id, STATEp state);

short ActorFindTrack(short SpriteNum, CHAR player_dir, long track_type, short *track_point_num, short *track_dir);

SECT_USERp GetSectUser(short sectnum);

short SoundDist(long x, long y, long z, long basedist);
short SoundAngle(long x, long  y);
//void PlaySound(int num, short angle, short vol);
int PlaySound(int num, long *x, long *y, long *z, Voc3D_Flags flags);
void PlayerSound(int num, long *x, long *y, long *z, Voc3D_Flags flags, PLAYERp pp);

ANIMATOR DoActorBeginJump,DoActorJump,DoActorBeginFall,DoActorFall,DoActorDeathMove;

int SpawnShrap(short,short);

VOID PlayerUpdateHealth(PLAYERp pp, short value);
VOID PlayerUpdateAmmo(PLAYERp pp, short WeaponNum, short value);
VOID PlayerUpdateWeapon(PLAYERp pp, short WeaponNum);
VOID PlayerUpdateKills(PLAYERp pp, short value);
VOID PlayerUpdatePanelInfo(PLAYERp pp);
VOID RefreshInfoLine(PLAYERp pp);

VOID DoAnim(long numtics);
void AnimDelete(long *animptr);
short AnimGetGoal(long *animptr);
short AnimSet(long *animptr, long thegoal, long thevel);
//short AnimSetCallback(long *animptr, long thegoal, long thevel, ANIM_CALLBACKp call, ANIM_DATAp data);
short AnimSetCallback(short anim_ndx, ANIM_CALLBACKp call, ANIM_DATAp data);
short AnimSetVelAdj(short anim_ndx, short vel_adj);

VOID EnemyDefaults(short SpriteNum, ACTOR_ACTION_SETp action, PERSONALITYp person);

VOID getzrangepoint(long x, long y, long z, short sectnum, LONGp ceilz, LONGp ceilhit, LONGp florz, LONGp florhit);
int move_sprite(short spritenum, long xchange, long ychange, long zchange, long ceildist, long flordist, ULONG cliptype, long numtics);
int move_missile(short spritenum, long xchange, long ychange, long zchange, long ceildist, long flordist, ULONG cliptype, long numtics);
int DoPickTarget(SPRITEp sp, WORD max_delta_ang, BOOL skip_targets);

VOID change_sprite_stat(short, short);
VOID SetOwner(short, short);  
VOID SetAttach(short, short);  
VOID analyzesprites(long,long,long,BOOL);
VOID ChangeState(short SpriteNum, STATEp statep);

VOID UpdateSectorFAF_Connect(short SpriteNum, long newz);
#if 0
BOOL FAF_ConnectCeiling(short sectnum);
BOOL FAF_ConnectFloor(short sectnum);
#else
#define FAF_PLACE_MIRROR_PIC 341
#define FAF_MIRROR_PIC 2356
#define FAF_ConnectCeiling(sectnum) (sector[(sectnum)].ceilingpicnum == FAF_MIRROR_PIC)
#define FAF_ConnectFloor(sectnum) (sector[(sectnum)].floorpicnum == FAF_MIRROR_PIC)
#define FAF_ConnectArea(sectnum) (FAF_ConnectCeiling(sectnum) || FAF_ConnectFloor(sectnum))
#endif
void updatesectorz(long, long, long, short *);
VOID FAF_ConnectPlayerCeiling(PLAYERp pp);
VOID FAF_ConnectPlayerFloor(PLAYERp pp);
BOOL PlayerCeilingHit(PLAYERp pp, long zlimit);
BOOL PlayerFloorHit(PLAYERp pp, long zlimit);

VOID FAFhitscan(LONG x, LONG y, LONG z, SHORT sectnum, 
                LONG xvect, LONG yvect, LONG zvect, 
                SHORTp hitsect, SHORTp hitwall, SHORTp hitsprite,
                LONGp hitx, LONGp hity, LONGp hitz, LONG clipmask);
                
BOOL FAFcansee(LONG xs, LONG ys, LONG zs, SHORT sects, LONG xe, LONG ye, LONG ze, SHORT secte);

VOID FAFgetzrange(LONG x, LONG y, LONG z, SHORT sectnum, 
    LONGp hiz, LONGp ceilhit, 
    LONGp loz, LONGp florhit, 
    LONG clipdist, LONG clipmask);
    
VOID FAFgetzrangepoint(LONG x, LONG y, LONG z, SHORT sectnum, 
    LONGp hiz, LONGp ceilhit, 
    LONGp loz, LONGp florhit);
    
VOID COVERupdatesector(LONG x, LONG y, SHORTp newsector);

void updatesectorz(long,long,long,SHORTp);
    
extern long clipmoveboxtracenum;


void short_setinterpolation(short *posptr);
void short_stopinterpolation(short *posptr);
void short_updateinterpolations(void);
void short_dointerpolations(long smoothratio); 
void short_restoreinterpolations(void);

enum SoundType
{
SOUND_OBJECT_TYPE,
SOUND_EVERYTHING_TYPE
};
    
VOID DoSoundSpotMatch(short match, short sound_num, short sound_type);

#define ACTOR_GRAVITY 8

///////////////////////////////////////////////////////////////////////////////////////////
//
//  Externs
//
///////////////////////////////////////////////////////////////////////////////////////////

extern BOOL ExitLevel;
extern BOOL Warping;
extern BYTE CommPlayers;
extern BOOL CommEnabled;
extern char CommPlayerName[];
extern short Level;
extern short Episode;

extern int LastFrameTics;
extern char ds[];
extern short Skill;
extern int GodMode;

extern long x_min_bound, y_min_bound, x_max_bound, y_max_bound; 

//extern unsigned char synctics, lastsynctics;
extern BORDER_INFO BorderInfo;
extern short snum;

extern long lockspeed,totalsynctics;

#define synctics 3
#define ACTORMOVETICS (synctics<<1)
#define TICSPERMOVEMENT synctics
#define FAKETIMERHANDLER()  if (totalclock >= ototalclock + synctics) faketimerhandler()

// subtract value from clipdist on getzrange calls
#define GETZRANGE_CLIP_ADJ 8
//#define GETZRANGE_CLIP_ADJ 0

// MULTIPLAYER
// VARIABLES:  (You should extern these in your game.c)
/*
extern short numplayers, myconnectindex;
extern short connecthead, connectpoint2[MAXPLAYERS];
*/
extern long *lastpacket2clock;
extern char username[MAXPLAYERS][50];

// save player info when moving to a new level
extern USER puser[MAX_SW_PLAYERS_REG];

///////////////////////////
//
// TEXT PRINTING
//
///////////////////////////

#define TEXT_TEST_LINE (200/2)
#define TEXT_XCENTER(width) ((320 - width)/2)
#define TEXT_YCENTER(h) ((200 - height)/2)
#define TEXT_TEST_COL(width) TEXT_XCENTER(width)
#define TEXT_TEST_TIME 2

void PutStringTimer(PLAYERp pp, short x, short y, char *string, short seconds);
void MNU_MeasureString(char *string, short *, short *);

///////////////////////////
//
// OLDER network additions
//
///////////////////////////

/*
int initmultiplayers(int, int, int);
void uninitmultiplayers(void);

void sendlogon(void);
void sendlogoff(void);
*/


///////////////////////////
//
// RECENT network additions
//
///////////////////////////

extern long ototalclock, save_totalclock, gotlastpacketclock,smoothratio;
extern BOOL ready2send;

// local copy of variables updated by faketimerhandler
extern long locselectedgun;

//FIFO queue to hold values while faketimerhandler is called from within the drawing routing
extern long movefifoplc, movefifoend[];

//MULTI.OBJ sync state variables
extern char syncstate;


extern BOOL MoveSkip4, MoveSkip2, MoveSkip8;

#define MASTER_SWITCHING 1

extern char option[];
extern char keys[];

extern short screenpeek;

extern long dimensionmode, zoom;
extern long vel,svel,angvel;

#define STAT_DAMAGE_LIST_SIZE 20
extern SHORT StatDamageList[STAT_DAMAGE_LIST_SIZE];

///////////////////////////////////////////////////////////////
//
// Stuff for player palette flashes when hurt or getting items
//
///////////////////////////////////////////////////////////////

#define COLOR_PAIN  128  // Light red range
extern void SetFadeAmt( PLAYERp pp, short damage, unsigned char startcolor );
extern void DoPaletteFlash( PLAYERp pp );
extern unsigned char palette_data[256][3];
extern BOOL NightVision;
#endif

int _PlayerSound(char *file, int line, int num, long *x, long *y, long *z, Voc3D_Flags flags, PLAYERp pp);
#define PlayerSound(num, x, y, z, flags, pp) _PlayerSound(__FILE__, __LINE__, (num), (x), (y), (z), (flags), (pp))

#define MAXSO (MAXLONG)
    
///////////////////////////////////////////////////////////////
//
// Stuff added by JonoF. These should get put into their own
// headers and included by that which needs them.
//
///////////////////////////////////////////////////////////////

int PickJumpMaxSpeed(short SpriteNum, short max_speed);	// ripper.c
int DoRipperRipHeart(short SpriteNum);	// ripper.c
int DoRipper2RipHeart(short SpriteNum);	// ripper2.c
int BunnyHatch2(short Weapon);	// bunny.c
int DoSkullBeginDeath(SHORT SpriteNum);	// skull.c

void AnimateCacheCursor(void);	// game.c
void MapSetAll2D(BYTE fill);	// game.c
void TerminateGame(void );	// game.c
void TerminateLevel(void );	// game.c
void ResetKeys(void );	// game.c
BOOL KeyPressed(void );	// game.c
void drawoverheadmap(long cposx,long cposy,long czoom,short cang);	// game.c
void COVERsetbrightness(int bright, char *pal);	// game.c
void DrawMenuLevelScreen(void );	// game.c
VOID DebugWriteString(char *string);	// game.c
VOID ManualPlayerInsert(PLAYERp pp);	// game.c

VOID SetRedrawScreen(PLAYERp pp);	// border.c
void SetupAspectRatio(void );	// border.c
VOID ClearStartMost(VOID);	// border.c
VOID SetCrosshair(VOID);	// border.c

void initsynccrc(void);		// sync.c
void demosync_record(void );	// sync.c
void demosync_test(long cnt);	// sync.c
void getsyncstat(void );	// sync.c
void SyncStatMessage(void );	// sync.c

void drawscreen(PLAYERp pp);	// draw.c
void post_analyzesprites(void );	// draw.c
long COVERsetgamemode(long mode, long xdim, long ydim, long bpp);	// draw.c
VOID ScreenCaptureKeys(VOID);	// draw.c

int minigametext(int x,int y,char *t,char s,short dabits);	// jplayer.c
void computergetinput(long snum,SW_PACKET *syn);	// jplayer.c

void DrawOverlapRoom(long tx,long ty,long tz,short tang,long thoriz,short tsectnum);	// rooms.c
void SetupMirrorTiles(void );	// rooms.c
BOOL FAF_Sector(short sectnum);	// rooms.c
long GetZadjustment(short sectnum,short hitag);	// rooms.c

void TermSetup(void);	// swconfig.c

void InitSetup(void);	// setup.c

void LoadKVXFromScript(char *filename);	// scrip2.c
void LoadPLockFromScript(char *filename);	// scrip2.c
void LoadCustomInfoFromScript(char *filename);	// scrip2.c

void EveryCheatToggle(PLAYERp pp,char *cheat_string);	// cheats.c

int PlayerInitChemBomb(PLAYERp pp);	// jweapon.c
int PlayerInitFlashBomb(PLAYERp pp);	// jweapon.c
int PlayerInitCaltrops(PLAYERp pp);	// jweapon.c
int InitPhosphorus(SHORT SpriteNum);	// jweapon.c
void SpawnFloorSplash(short SpriteNum);	// jweapon.c

int SaveGame(short save_num);	// save.c
int LoadGame(short save_num);	// save.c
int LoadGameFullHeader(short save_num, char *descr, short *level, short *skill);	// save,c
void LoadGameDescr(short save_num, char *descr);	// save.c

void SetRotatorActive(short SpriteNum);	// rotator.c

BOOL VatorSwitch(short match, short setting); // vator.c
void MoveSpritesWithSector(short sectnum,long z_amt,BOOL type);	// vator.c
void SetVatorActive(short SpriteNum);	// vator.c

short DoSpikeMatch(PLAYERp pp,short match);	// spike.c
void SpikeAlign(short SpriteNum);	// spike.c

short DoSectorObjectSetScale(short match);	// morph.c
short DoSOevent(short match,short state);	// morph.c
void SOBJ_AlignCeilingToPoint(SECTOR_OBJECTp sop,long x,long y,long z);	// morph.c
void SOBJ_AlignFloorToPoint(SECTOR_OBJECTp sop,long x,long y,long z);	// morph.c
void ScaleSectorObject(SECTOR_OBJECTp sop);	// morph.c
void MorphTornado(SECTOR_OBJECTp sop);	// morph.c
void MorphFloor(SECTOR_OBJECTp sop);	// morph.c
void ScaleRandomPoint(SECTOR_OBJECTp sop,short k,short ang,long x,long y,long *dx,long *dy);	// morph.c

void CopySectorMatch(short match);	// copysect.c

int DoWallMoveMatch(short match);	// wallmove.c
int DoWallMove(SPRITEp sp);	// wallmove.c
BOOL CanSeeWallMove(SPRITEp wp,short match);	// wallmove.c

short DoSpikeOperate(PLAYERp pp,short sectnum);	// spike.c
void SetSpikeActive(short SpriteNum);	// spike.c

#define NTAG_SEARCH_LO 1
#define NTAG_SEARCH_HI 2
#define NTAG_SEARCH_LO_HI 3

int COVERinsertsprite(short sectnum, short statnum);   //returns (short)spritenum;

void AudioUpdate(void);	// stupid
