//**************************************************************************
//**
//** $Id: i_sdl.c,v 1.5 1999/01/24 21:43:50 karl Exp $
//**
//**************************************************************************


#include <stdlib.h>
#include <stdarg.h>
#include <sys/time.h>
#include "h2def.h"
#include "r_local.h"
#include "p_local.h"    // for P_AproxDistance
#include "sounds.h"
#include "i_sound.h"
#include "soundst.h"
#include "st_start.h"
#include "SDL.h"

// Macros

#define stricmp strcasecmp
#define DEFAULT_ARCHIVEPATH     "o:\\sound\\archive\\"
#define PRIORITY_MAX_ADJUST 10
#define DIST_ADJUST (MAX_SND_DIST/PRIORITY_MAX_ADJUST)

#define MASK_PLANE0 0x01
#define MASK_PLANE1 0x02
#define MASK_PLANE2 0x04
#define MASK_PLANE3 0x08

#define P0OFFSET 38400*0
#define P1OFFSET 38400*1
#define P2OFFSET 38400*2
#define P3OFFSET 38400*3

#define VB_SYNC
#define BITPLANE(p)


// Public Data

int DisplayTicker = 0;


// Code

#if defined(VMS) && !defined(HAVE_AUDIO)
#define SDL_INIT_AUDIO 0
#endif

int main(int argc, char **argv)
{
    if( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_CDROM ) < 0 )
    {
        fprintf( stderr, "Couldn't initialize SDL: %s\n", SDL_GetError() );
            exit( 1 );
    }
    atexit( SDL_Quit );

	myargc = argc;
	myargv = argv;
	H2_Main();
    return 0;
}

void I_StartupNet (void);
void I_ShutdownNet (void);
void I_ReadExternDriver(void);

typedef struct
{
	unsigned        edi, esi, ebp, reserved, ebx, edx, ecx, eax;
	unsigned short  flags, es, ds, fs, gs, ip, cs, sp, ss;
} dpmiregs_t;

extern  dpmiregs_t dpmiregs;

void DPMIInt (int i);

extern int usemouse, usejoystick;

extern void **lumpcache;

int i_Vector;
externdata_t *i_ExternData;
boolean useexterndriver;

boolean i_CDMusic;
int i_CDTrack;
int i_CDCurrentTrack;
int i_CDMusicLength;
int oldTic;

SDL_Surface* sdl_screen;
SDL_Surface* sdl_scaled_screen;  // Scaled surface for 640x480 display
int grabMouse;


/*
===============================================================================

		MUSIC & SFX API

===============================================================================
*/

//static channel_t channel[MAX_CHANNELS];

//static int rs; //the current registered song.
//int mus_song = -1;
//int mus_lumpnum;
//void *mus_sndptr;
//byte *soundCurve;

extern sfxinfo_t S_sfx[];
extern musicinfo_t S_music[];

static channel_t Channel[MAX_CHANNELS];
static int RegisteredSong; //the current registered song.
static int NextCleanup;
static boolean MusicPaused;
static int Mus_Song = -1;
static int Mus_LumpNum;
static void *Mus_SndPtr;
static byte *SoundCurve;

static boolean UseSndScript;
static char ArchivePath[128];

extern int snd_MusicDevice;
extern int snd_SfxDevice;
extern int snd_MaxVolume;
extern int snd_MusicVolume;
extern int snd_Channels;

extern int startepisode;
extern int startmap;

// int AmbChan;

boolean S_StopSoundID(int sound_id, int priority);
void I_UpdateCDMusic(void);

//==========================================================================
//
// S_Start
//
//==========================================================================

void S_Start(void)
{
	S_StopAllSound();
	S_StartSong(gamemap, true);
}

//==========================================================================
//
// S_StartSong
//
//==========================================================================

void S_StartSong(int song, boolean loop)
{
	char *songLump;
	int track;

	if(i_CDMusic)
	{ // Play a CD track, instead
		if(i_CDTrack)
		{ // Default to the player-chosen track
			track = i_CDTrack;
		}
		else
		{
			track = P_GetMapCDTrack(gamemap);
		}
		if(track == i_CDCurrentTrack && i_CDMusicLength > 0)
		{
			return;
		}
		if(!I_CDMusPlay(track))
		{
			if(loop)
			{
				i_CDMusicLength = 35*I_CDMusTrackLength(track);
				oldTic = gametic;
			}
			else
			{
				i_CDMusicLength = -1;
			}
			i_CDCurrentTrack = track;
		}
	}
	else
	{
		if(song == Mus_Song)
		{ // don't replay an old song
			return;
		}
		if(RegisteredSong)
		{
			I_StopSong(RegisteredSong);
			I_UnRegisterSong(RegisteredSong);
			if(UseSndScript)
			{
				Z_Free(Mus_SndPtr);
			}
			else
			{
				Z_ChangeTag(lumpcache[Mus_LumpNum], PU_CACHE);
			}
			#ifdef __WATCOMC__
				_dpmi_unlockregion(Mus_SndPtr, lumpinfo[Mus_LumpNum].size);
			#endif
			RegisteredSong = 0;
		}
		songLump = P_GetMapSongLump(song);
		if(!songLump)
		{
			return;
		}
		if(UseSndScript)
		{
			char name[128];
			sprintf(name, "%s%s.lmp", ArchivePath, songLump);
			M_ReadFile(name, (byte **)&Mus_SndPtr);
		}
		else
		{
			Mus_LumpNum = W_GetNumForName(songLump);
			Mus_SndPtr = W_CacheLumpNum(Mus_LumpNum, PU_MUSIC);
		}
		#ifdef __WATCOMC__
			_dpmi_lockregion(Mus_SndPtr, lumpinfo[Mus_LumpNum].size);
		#endif
		RegisteredSong = I_RegisterSong(Mus_SndPtr);
		I_PlaySong(RegisteredSong, loop); // 'true' denotes endless looping.
		Mus_Song = song;
	}
}

//==========================================================================
//
// S_StartSongName
//
//==========================================================================

void S_StartSongName(char *songLump, boolean loop)
{
	int cdTrack;

	if(!songLump)
	{
		return;
	}
	if(i_CDMusic)
	{
		cdTrack = 0;

		if(!strcmp(songLump, "hexen"))
		{
			cdTrack = P_GetCDTitleTrack();
		}
		else if(!strcmp(songLump, "hub"))
		{
			cdTrack = P_GetCDIntermissionTrack();
		}
		else if(!strcmp(songLump, "hall"))
		{
			cdTrack = P_GetCDEnd1Track();
		}
		else if(!strcmp(songLump, "orb"))
		{
			cdTrack = P_GetCDEnd2Track();
		}
		else if(!strcmp(songLump, "chess") && !i_CDTrack)
		{
			cdTrack = P_GetCDEnd3Track();
		}
/*	Uncomment this, if Kevin writes a specific song for startup
		else if(!strcmp(songLump, "start"))
		{
			cdTrack = P_GetCDStartTrack();
		}
*/
		if(!cdTrack || (cdTrack == i_CDCurrentTrack && i_CDMusicLength > 0))
		{
			return;
		}
		if(!I_CDMusPlay(cdTrack))
		{
			if(loop)
			{
				i_CDMusicLength = 35*I_CDMusTrackLength(cdTrack);
				oldTic = gametic;
			}
			else
			{
				i_CDMusicLength = -1;
			}
			i_CDCurrentTrack = cdTrack;
			i_CDTrack = false;
		}
	}
	else
	{
		if(RegisteredSong)
		{
			I_StopSong(RegisteredSong);
			I_UnRegisterSong(RegisteredSong);
			if(UseSndScript)
			{
				Z_Free(Mus_SndPtr);
			}
			else
			{
				Z_ChangeTag(lumpcache[Mus_LumpNum], PU_CACHE);
			}
			#ifdef __WATCOMC__
				_dpmi_unlockregion(Mus_SndPtr, lumpinfo[Mus_LumpNum].size);
			#endif
			RegisteredSong = 0;
		}
		if(UseSndScript)
		{
			char name[128];
			sprintf(name, "%s%s.lmp", ArchivePath, songLump);
			M_ReadFile(name, (byte **)&Mus_SndPtr);
		}
		else
		{
			Mus_LumpNum = W_GetNumForName(songLump);
			Mus_SndPtr = W_CacheLumpNum(Mus_LumpNum, PU_MUSIC);
		}
		#ifdef __WATCOMC__
			_dpmi_lockregion(Mus_SndPtr, lumpinfo[Mus_LumpNum].size);
		#endif
		RegisteredSong = I_RegisterSong(Mus_SndPtr);
		I_PlaySong(RegisteredSong, loop); // 'true' denotes endless looping.
		Mus_Song = -1;
	}
}

//==========================================================================
//
// S_GetSoundID
//
//==========================================================================

int S_GetSoundID(char *name)
{
	int i;

	for(i = 0; i < NUMSFX; i++)
	{
		if(!strcmp(S_sfx[i].tagName, name))
		{
			return i;
		}
	}
	return 0;
}

//==========================================================================
//
// S_StartSound
//
//==========================================================================

void S_StartSound(mobj_t *origin, int sound_id)
{
	S_StartSoundAtVolume(origin, sound_id, 127);
}

//==========================================================================
//
// S_StartSoundAtVolume
//
//==========================================================================

void S_StartSoundAtVolume(mobj_t *origin, int sound_id, int volume)
{
#if 1
	int dist, vol;
	int i;
	int priority;
	int sep;
	int angle;
	int absx;
	int absy;

	static int sndcount = 0;
	int chan;

    //printf( "S_StartSoundAtVolume: %d\n", sound_id );

	if(sound_id == 0 || snd_MaxVolume == 0)
		return;
	if(origin == NULL)
	{
		origin = players[displayplayer].mo;
#if 1
        // How does the DOS version work without this?
        // players[0].mo does not get set until P_SpawnPlayer. - KR
        if( origin == NULL )
            return;
#endif
	}
	if(volume == 0)
	{
		return;
	}

	// calculate the distance before other stuff so that we can throw out
	// sounds that are beyond the hearing range.
	absx = abs(origin->x-players[displayplayer].mo->x);
	absy = abs(origin->y-players[displayplayer].mo->y);
	dist = absx+absy-(absx > absy ? absy>>1 : absx>>1);
	dist >>= FRACBITS;
	if(dist >= MAX_SND_DIST)
	{
	  return; // sound is beyond the hearing range...
	}
	if(dist < 0)
	{
		dist = 0;
	}
	priority = S_sfx[sound_id].priority;
	priority *= (PRIORITY_MAX_ADJUST-(dist/DIST_ADJUST));
	if(!S_StopSoundID(sound_id, priority))
	{
		return; // other sounds have greater priority
	}
	for(i=0; i<snd_Channels; i++)
	{
		if(origin->player)
		{
			i = snd_Channels;
			break; // let the player have more than one sound.
		}
		if(origin == Channel[i].mo)
		{ // only allow other mobjs one sound
			S_StopSound(Channel[i].mo);
			break;
		}
	}
	if(i >= snd_Channels)
	{
		for(i = 0; i < snd_Channels; i++)
		{
			if(Channel[i].mo == NULL)
			{
				break;
			}
		}
		if(i >= snd_Channels)
		{
			// look for a lower priority sound to replace.
			sndcount++;
			if(sndcount >= snd_Channels)
			{
				sndcount = 0;
			}
			for(chan = 0; chan < snd_Channels; chan++)
			{
				i = (sndcount+chan)%snd_Channels;
				if(priority >= Channel[i].priority)
				{
					chan = -1; //denote that sound should be replaced.
					break;
				}
			}
			if(chan != -1)
			{
				return; //no free channels.
			}
			else //replace the lower priority sound.
			{
				if(Channel[i].handle)
				{
					if(I_SoundIsPlaying(Channel[i].handle))
					{
						I_StopSound(Channel[i].handle);
					}
					if(S_sfx[Channel[i].sound_id].usefulness > 0)
					{
						S_sfx[Channel[i].sound_id].usefulness--;
					}
				}
			}
		}
	}
	if(S_sfx[sound_id].lumpnum == 0)
	{
		S_sfx[sound_id].lumpnum = I_GetSfxLumpNum(&S_sfx[sound_id]);
	}
	if(S_sfx[sound_id].snd_ptr == NULL)
	{
		if(UseSndScript)
		{
			char name[128];
			sprintf(name, "%s%s.lmp", ArchivePath, S_sfx[sound_id].lumpname);
			M_ReadFile(name, (byte **)&S_sfx[sound_id].snd_ptr);
		}
		else
		{
			S_sfx[sound_id].snd_ptr = W_CacheLumpNum(S_sfx[sound_id].lumpnum,
				PU_SOUND);
		}
		#ifdef __WATCOMC__
		_dpmi_lockregion(S_sfx[sound_id].snd_ptr,
			lumpinfo[S_sfx[sound_id].lumpnum].size);
		#endif
	}

	vol = (SoundCurve[dist]*(snd_MaxVolume*8)*volume)>>14;
	if(origin == players[displayplayer].mo)
	{
		sep = 128;
//              vol = (volume*(snd_MaxVolume+1)*8)>>7;
	}
	else
	{
#if 1
        // KR - Channel[i].mo = 0 here!
        if( Channel[i].mo == NULL )
        {
            sep = 128;
            //printf( " Channel[i].mo not set\n" );
        }
        else
        {
#endif
		angle = R_PointToAngle2(players[displayplayer].mo->x,
			players[displayplayer].mo->y, Channel[i].mo->x, Channel[i].mo->y);
		angle = (angle-viewangle)>>24;
		sep = angle*2-128;
		if(sep < 64)
			sep = -sep;
		if(sep > 192)
			sep = 512-sep;
//              vol = SoundCurve[dist];
#if 1
        }
#endif
	}

	if(S_sfx[sound_id].changePitch)
	{
		Channel[i].pitch = (byte)(127+(M_Random()&7)-(M_Random()&7));
	}
	else
	{
		Channel[i].pitch = 127;
	}
	Channel[i].handle = I_StartSound(sound_id, S_sfx[sound_id].snd_ptr, vol,
		sep, Channel[i].pitch, 0);
	Channel[i].mo = origin;
	Channel[i].sound_id = sound_id;
	Channel[i].priority = priority;
	Channel[i].volume = volume;
	if(S_sfx[sound_id].usefulness < 0)
	{
		S_sfx[sound_id].usefulness = 1;
	}
	else
	{
		S_sfx[sound_id].usefulness++;
	}
#endif
}

//==========================================================================
//
// S_StopSoundID
//
//==========================================================================

boolean S_StopSoundID(int sound_id, int priority)
{
	int i;
	int lp; //least priority
	int found;

	if(S_sfx[sound_id].numchannels == -1)
	{
		return(true);
	}
	lp = -1; //denote the argument sound_id
	found = 0;
	for(i=0; i<snd_Channels; i++)
	{
		if(Channel[i].sound_id == sound_id && Channel[i].mo)
		{
			found++; //found one.  Now, should we replace it??
			if(priority >= Channel[i].priority)
			{ // if we're gonna kill one, then this'll be it
				lp = i;
				priority = Channel[i].priority;
			}
		}
	}
	if(found < S_sfx[sound_id].numchannels)
	{
		return(true);
	}
	else if(lp == -1)
	{
		return(false); // don't replace any sounds
	}
	if(Channel[lp].handle)
	{
		if(I_SoundIsPlaying(Channel[lp].handle))
		{
			I_StopSound(Channel[lp].handle);
		}
		if(S_sfx[Channel[lp].sound_id].usefulness > 0)
		{
			S_sfx[Channel[lp].sound_id].usefulness--;
		}
		Channel[lp].mo = NULL;
	}
	return(true);
}

//==========================================================================
//
// S_StopSound
//
//==========================================================================

void S_StopSound(mobj_t *origin)
{
	int i;

	for(i=0;i<snd_Channels;i++)
	{
		if(Channel[i].mo == origin)
		{
			I_StopSound(Channel[i].handle);
			if(S_sfx[Channel[i].sound_id].usefulness > 0)
			{
				S_sfx[Channel[i].sound_id].usefulness--;
			}
			Channel[i].handle = 0;
			Channel[i].mo = NULL;
		}
	}
}

//==========================================================================
//
// S_StopAllSound
//
//==========================================================================

void S_StopAllSound(void)
{
	int i;

	//stop all sounds
	for(i=0; i < snd_Channels; i++)
	{
		if(Channel[i].handle)
		{
			S_StopSound(Channel[i].mo);
		}
	}
	memset(Channel, 0, 8*sizeof(channel_t));
}

//==========================================================================
//
// S_SoundLink
//
//==========================================================================

void S_SoundLink(mobj_t *oldactor, mobj_t *newactor)
{
	int i;

	for(i=0;i<snd_Channels;i++)
	{
		if(Channel[i].mo == oldactor)
			Channel[i].mo = newactor;
	}
}

//==========================================================================
//
// S_PauseSound
//
//==========================================================================

void S_PauseSound(void)
{
	if(i_CDMusic)
	{
		I_CDMusStop();
	}
	else
	{
		I_PauseSong(RegisteredSong);
	}
}

//==========================================================================
//
// S_ResumeSound
//
//==========================================================================

void S_ResumeSound(void)
{
	if(i_CDMusic)
	{
		I_CDMusResume();
	}
	else
	{
		I_ResumeSong(RegisteredSong);
	}
}

//==========================================================================
//
// S_UpdateSounds
//
//==========================================================================

void S_UpdateSounds(mobj_t *listener)
{
	int i, dist, vol;
	int angle;
	int sep;
	int priority;
	int absx;
	int absy;

	if(i_CDMusic)
	{
		I_UpdateCDMusic();
	}
	if(snd_MaxVolume == 0)
	{
		return;
	}

	// Update any Sequences
	SN_UpdateActiveSequences();

	if(NextCleanup < gametic)
	{
		if(UseSndScript)
		{
			for(i = 0; i < NUMSFX; i++)
			{
				if(S_sfx[i].usefulness == 0 && S_sfx[i].snd_ptr)
				{
					S_sfx[i].usefulness = -1;
				}
			}
		}
		else
		{
			for(i = 0; i < NUMSFX; i++)
			{
				if(S_sfx[i].usefulness == 0 && S_sfx[i].snd_ptr)
				{
					if(lumpcache[S_sfx[i].lumpnum])
					{
						if(((memblock_t *)((byte*)
							(lumpcache[S_sfx[i].lumpnum])-
							sizeof(memblock_t)))->id == 0x1d4a11)
						{ // taken directly from the Z_ChangeTag macro
							Z_ChangeTag2(lumpcache[S_sfx[i].lumpnum],
								PU_CACHE);
#ifdef __WATCOMC__
								_dpmi_unlockregion(S_sfx[i].snd_ptr,
									lumpinfo[S_sfx[i].lumpnum].size);
#endif
						}
					}
					S_sfx[i].usefulness = -1;
					S_sfx[i].snd_ptr = NULL;
				}
			}
		}
		NextCleanup = gametic+35*30; // every 30 seconds
	}
	for(i=0;i<snd_Channels;i++)
	{
		if(!Channel[i].handle || S_sfx[Channel[i].sound_id].usefulness == -1)
		{
			continue;
		}
		if(!I_SoundIsPlaying(Channel[i].handle))
		{
			if(S_sfx[Channel[i].sound_id].usefulness > 0)
			{
				S_sfx[Channel[i].sound_id].usefulness--;
			}
			Channel[i].handle = 0;
			Channel[i].mo = NULL;
			Channel[i].sound_id = 0;
		}
		if(Channel[i].mo == NULL || Channel[i].sound_id == 0
			|| Channel[i].mo == listener)
		{
			continue;
		}
		else
		{
			absx = abs(Channel[i].mo->x-listener->x);
			absy = abs(Channel[i].mo->y-listener->y);
			dist = absx+absy-(absx > absy ? absy>>1 : absx>>1);
			dist >>= FRACBITS;

			if(dist >= MAX_SND_DIST)
			{
				S_StopSound(Channel[i].mo);
				continue;
			}
			if(dist < 0)
			{
				dist = 0;
			}
			//vol = SoundCurve[dist];
			vol = (SoundCurve[dist]*(snd_MaxVolume*8)*Channel[i].volume)>>14;
			if(Channel[i].mo == listener)
			{
				sep = 128;
			}
			else
			{
				angle = R_PointToAngle2(listener->x, listener->y,
								Channel[i].mo->x, Channel[i].mo->y);
				angle = (angle-viewangle)>>24;
				sep = angle*2-128;
				if(sep < 64)
					sep = -sep;
				if(sep > 192)
					sep = 512-sep;
			}
			I_UpdateSoundParams(Channel[i].handle, vol, sep,
				Channel[i].pitch);
			priority = S_sfx[Channel[i].sound_id].priority;
			priority *= PRIORITY_MAX_ADJUST-(dist/DIST_ADJUST);
			Channel[i].priority = priority;
		}
	}
}

//==========================================================================
//
// S_Init
//
//==========================================================================

void S_Init(void)
{
	SoundCurve = W_CacheLumpName("SNDCURVE", PU_STATIC);
//      SoundCurve = Z_Malloc(MAX_SND_DIST, PU_STATIC, NULL);
	I_StartupSound();
	if(snd_Channels > 8)
	{
		snd_Channels = 8;
	}
	I_SetChannels(snd_Channels);
	I_SetMusicVolume(snd_MusicVolume);

	// Attempt to setup CD music
	if(snd_MusicDevice == snd_CDMUSIC)
	{
	   	ST_Message("    Attempting to initialize CD Music: ");
		if(!cdrom)
		{
			i_CDMusic = (I_CDMusInit() != -1);
		}
		else
		{ // The user is trying to use the cdrom for both game and music
			i_CDMusic = false;
		}
	   	if(i_CDMusic)
	   	{
	   		ST_Message("initialized.\n");
	   	}
	   	else
	   	{
	   		ST_Message("failed.\n");
	   	}
	}
}

//==========================================================================
//
// S_GetChannelInfo
//
//==========================================================================

void S_GetChannelInfo(SoundInfo_t *s)
{
	int i;
	ChanInfo_t *c;

	s->channelCount = snd_Channels;
	s->musicVolume = snd_MusicVolume;
	s->soundVolume = snd_MaxVolume;
	for(i = 0; i < snd_Channels; i++)
	{
		c = &s->chan[i];
		c->id = Channel[i].sound_id;
		c->priority = Channel[i].priority;
		c->name = S_sfx[c->id].lumpname;
		c->mo = Channel[i].mo;
		c->distance = P_AproxDistance(c->mo->x-viewx, c->mo->y-viewy)
			>>FRACBITS;
	}
}

//==========================================================================
//
// S_GetSoundPlayingInfo
//
//==========================================================================

boolean S_GetSoundPlayingInfo(mobj_t *mobj, int sound_id)
{
	int i;

	for(i = 0; i < snd_Channels; i++)
	{
		if(Channel[i].sound_id == sound_id && Channel[i].mo == mobj)
		{
			if(I_SoundIsPlaying(Channel[i].handle))
			{
				return true;
			}
		}
	}
	return false;
}

//==========================================================================
//
// S_SetMusicVolume
//
//==========================================================================

void S_SetMusicVolume(void)
{
	if(i_CDMusic)
	{
		I_CDMusSetVolume(snd_MusicVolume*16); // 0-255
	}
	else
	{
		I_SetMusicVolume(snd_MusicVolume);
	}
	if(snd_MusicVolume == 0)
	{
		if(!i_CDMusic)
		{
			I_PauseSong(RegisteredSong);
		}
		MusicPaused = true;
	}
	else if(MusicPaused)
	{
		if(!i_CDMusic)
		{
			I_ResumeSong(RegisteredSong);
		}
		MusicPaused = false;
	}
}

//==========================================================================
//
// S_ShutDown
//
//==========================================================================

void S_ShutDown(void)
{
	extern int tsm_ID;
	if(tsm_ID != -1)
	{
		I_StopSong(RegisteredSong);
		I_UnRegisterSong(RegisteredSong);
		I_ShutdownSound();
	}
	if(i_CDMusic)
	{
		I_CDMusStop();
	}
}

//==========================================================================
//
// S_InitScript
//
//==========================================================================

void S_InitScript(void)
{
	int p;
	int i;

	strcpy(ArchivePath, DEFAULT_ARCHIVEPATH);
	if(!(p = M_CheckParm("-devsnd")))
	{
		UseSndScript = false;
		SC_OpenLump("sndinfo");
	}
	else
	{
		UseSndScript = true;
		SC_OpenFile(myargv[p+1]);
	}
	while(SC_GetString())
	{
		if(*sc_String == '$')
		{
			if(!stricmp(sc_String, "$ARCHIVEPATH"))
			{
				SC_MustGetString();
				strcpy(ArchivePath, sc_String);
			}
			else if(!stricmp(sc_String, "$MAP"))
			{
				SC_MustGetNumber();
				SC_MustGetString();
				if(sc_Number)
				{
					P_PutMapSongLump(sc_Number, sc_String);
				}
			}
			continue;
		}
		else
		{
			for(i = 0; i < NUMSFX; i++)
			{
				if(!strcmp(S_sfx[i].tagName, sc_String))
				{
					SC_MustGetString();
					if(*sc_String != '?')
					{
						strcpy(S_sfx[i].lumpname, sc_String);
					}
					else
					{
						strcpy(S_sfx[i].lumpname, "default");
					}
					break;
				}
			}
			if(i == NUMSFX)
			{
				SC_MustGetString();
			}
		}
	}
	SC_Close();

	for(i = 0; i < NUMSFX; i++)
	{
		if(!strcmp(S_sfx[i].lumpname, ""))
		{
			strcpy(S_sfx[i].lumpname, "default");
		}
	}
}

//==========================================================================
//
// I_UpdateCDMusic
//
// Updates playing time for current track, and restarts the track, if
// needed
//
//==========================================================================

void I_UpdateCDMusic(void)
{
	extern boolean MenuActive;

	if(MusicPaused || i_CDMusicLength < 0
	|| (paused && !MenuActive))
	{ // Non-looping song/song paused
		return;
	}
	i_CDMusicLength -= gametic-oldTic;
	oldTic = gametic;
	if(i_CDMusicLength <= 0)
	{
		S_StartSong(gamemap, true);
	}
}

/*
============================================================================

							CONSTANTS

============================================================================
*/

#define SC_INDEX                0x3C4
#define SC_RESET                0
#define SC_CLOCK                1
#define SC_MAPMASK              2
#define SC_CHARMAP              3
#define SC_MEMMODE              4


#define GC_INDEX                0x3CE
#define GC_SETRESET             0
#define GC_ENABLESETRESET 1
#define GC_COLORCOMPARE 2
#define GC_DATAROTATE   3
#define GC_READMAP              4
#define GC_MODE                 5
#define GC_MISCELLANEOUS 6
#define GC_COLORDONTCARE 7
#define GC_BITMASK              8




//==================================================
//
// joystick vars
//
//==================================================

boolean joystickpresent;
unsigned joystickx, joysticky;
boolean I_ReadJoystick (void);          // returns false if not connected

boolean I_ReadJoystick (void)
{
    return false;
}

//==================================================

#define VBLCOUNTER              34000           // hardware tics to a frame

#define TIMERINT 8
#define KEYBOARDINT 9

#define MOUSEB1 1
#define MOUSEB2 2
#define MOUSEB3 4

boolean mousepresent;
//static  int tsm_ID = -1; // tsm init flag

//===============================

int ticcount;


boolean novideo; // if true, stay in text mode for debugging


#define KEY_INS         0x52
#define KEY_DEL         0x53
#define KEY_PGUP        0x49
#define KEY_PGDN        0x51
#define KEY_HOME        0x47
#define KEY_END         0x4f

#if 0
#define KEY_LSHIFT      0xfe
#define SC_RSHIFT       0x36
#define SC_LSHIFT       0x2a

byte        scantokey[128] =
					{
//  0           1       2       3       4       5       6       7
//  8           9       A       B       C       D       E       F
	0  ,    27,     '1',    '2',    '3',    '4',    '5',    '6',
	'7',    '8',    '9',    '0',    '-',    '=',    KEY_BACKSPACE, 9, // 0
	'q',    'w',    'e',    'r',    't',    'y',    'u',    'i',
	'o',    'p',    '[',    ']',    13 ,    KEY_RCTRL,'a',  's',      // 1
	'd',    'f',    'g',    'h',    'j',    'k',    'l',    ';',
	39 ,    '`',    KEY_LSHIFT,92,  'z',    'x',    'c',    'v',      // 2
	'b',    'n',    'm',    ',',    '.',    '/',    KEY_RSHIFT,'*',
	KEY_RALT,' ',   0  ,    KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5,   // 3
	KEY_F6, KEY_F7, KEY_F8, KEY_F9, KEY_F10,0  ,    0  , KEY_HOME,
	KEY_UPARROW,KEY_PGUP,'-',KEY_LEFTARROW,'5',KEY_RIGHTARROW,'+',KEY_END, //4
	KEY_DOWNARROW,KEY_PGDN,KEY_INS,KEY_DEL,0,0,             0,              KEY_F11,
	KEY_F12,0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,        // 5
	0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,
	0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,        // 6
	0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,
	0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0         // 7
					};
#endif

//==========================================================================

//--------------------------------------------------------------------------
//
// FUNC I_GetTime
//
// Returns time in 1/35th second tics.
//
//--------------------------------------------------------------------------

int I_GetTime (void)
{
#ifdef SDL
    ticcount = (SDL_GetTicks()*35)/1000;
#else
    struct timeval tv;
    gettimeofday( &tv, 0 ); 

    //printf( "GT: %lx %lx\n", tv.tv_sec, tv.tv_usec );

    //ticcount = ((tv.tv_sec * 1000000) + tv.tv_usec) / 28571;
    ticcount = ((tv.tv_sec / 35) + (tv.tv_usec / 28571));
#endif
    return( ticcount );
}


/*
============================================================================

								USER INPUT

============================================================================
*/

//--------------------------------------------------------------------------
//
// PROC I_WaitVBL
//
//--------------------------------------------------------------------------

void I_WaitVBL(int vbls)
{
	if( novideo )
	{
		return;
	}
	while( vbls-- )
	{
        SDL_Delay( 16667/1000 );
	}
}

//--------------------------------------------------------------------------
//
// PROC I_SetPalette
//
// Palette source must use 8 bit RGB elements.
//
//--------------------------------------------------------------------------

void I_SetPalette(byte *palette)
{
    SDL_Color* c;
    SDL_Color* cend;
    SDL_Color cmap[ 256 ];

	if(novideo)
	{
		return;
	}
	I_WaitVBL(1);

    c = cmap;
    cend = c + 256;
	for( ; c != cend; c++ )
	{
		//_outbyte(PEL_DATA, (gammatable[usegamma][*palette++])>>2);

        c->r = gammatable[usegamma][*palette++];
        c->g = gammatable[usegamma][*palette++];
        c->b = gammatable[usegamma][*palette++];
	}
    SDL_SetColors( sdl_screen, cmap, 0, 256 );
    SDL_SetColors( sdl_scaled_screen, cmap, 0, 256 );
}

/*
============================================================================

							GRAPHICS MODE

============================================================================
*/

byte *pcscreen, *destscreen, *destview;

/*
==============
=
= I_Update
=
==============
*/

int UpdateState;
extern int screenblocks;

void I_Update (void)
{
	int i, x, y;
	byte *dest;
	int tics;
	static int lasttic;
	SDL_Rect src_rect, dst_rect;
	byte *src_line, *dst_line;

//
// blit screen to video
//
	if(DisplayTicker)
	{
		if(screenblocks > 9 || UpdateState&(I_FULLSCRN|I_MESSAGES))
		{
			dest = (byte *)screen;
		}
		else
		{
			dest = (byte *)pcscreen;
		}
		tics = ticcount-lasttic;
		lasttic = ticcount;
		if(tics > 20)
		{
			tics = 20;
		}
		for(i = 0; i < tics; i++)
		{
			*dest = 0xff;
			dest += 2;
		}
		for(i = tics; i < 20; i++)
		{
			*dest = 0x00;
			dest += 2;
		}
	}

	//memset(pcscreen, 255, SCREENHEIGHT*SCREENWIDTH);

	if(UpdateState == I_NOUPDATE)
	{
		return;
	}
	if(UpdateState&I_FULLSCRN)
	{
		memcpy(pcscreen, screen, SCREENWIDTH*SCREENHEIGHT);
		UpdateState = I_NOUPDATE; // clear out all draw types
	}
	if(UpdateState&I_FULLVIEW)
	{
		if(UpdateState&I_MESSAGES && screenblocks > 7)
		{
			for(i = 0; i <
				(viewwindowy+viewheight)*SCREENWIDTH; i += SCREENWIDTH)
			{
				memcpy(pcscreen+i, screen+i, SCREENWIDTH);
			}
			UpdateState &= ~(I_FULLVIEW|I_MESSAGES);
		}
		else
		{
			for(i = viewwindowy*SCREENWIDTH+viewwindowx; i <
				(viewwindowy+viewheight)*SCREENWIDTH; i += SCREENWIDTH)
			{
				memcpy(pcscreen+i, screen+i, viewwidth);
			}
			UpdateState &= ~I_FULLVIEW;
		}
	}
	if(UpdateState&I_STATBAR)
	{
		memcpy(pcscreen+SCREENWIDTH*(SCREENHEIGHT-SBARHEIGHT),
			screen+SCREENWIDTH*(SCREENHEIGHT-SBARHEIGHT),
			SCREENWIDTH*SBARHEIGHT);
		UpdateState &= ~I_STATBAR;
	}
	if(UpdateState&I_MESSAGES)
	{
		memcpy(pcscreen, screen, SCREENWIDTH*28);
		UpdateState &= ~I_MESSAGES;
	}

	// Scale from 320x200 to 640x480 (2x scaling)
	// Simple nearest-neighbor scaling for speed
	if( SDL_MUSTLOCK( sdl_scaled_screen ) )
	{
		if( SDL_LockSurface( sdl_scaled_screen ) < 0 )
		{
			return;
		}
	}

	for( y = 0; y < SCREENHEIGHT; y++ )
	{
		src_line = (byte *)sdl_screen->pixels + y * SCREENWIDTH;
		// Scale 2x vertically (each line appears twice)
		dst_line = (byte *)sdl_scaled_screen->pixels + (y * 2) * 640;

		for( x = 0; x < SCREENWIDTH; x++ )
		{
			byte pixel = src_line[x];
			// Scale 2x horizontally (each pixel appears twice)
			dst_line[x * 2] = pixel;
			dst_line[x * 2 + 1] = pixel;
		}

		// Copy the same line again for 2x vertical scaling
		memcpy( dst_line + 640, dst_line, 640 );
	}

	if( SDL_MUSTLOCK( sdl_scaled_screen ) )
	{
		SDL_UnlockSurface( sdl_scaled_screen );
	}

	// Update the entire screen
	SDL_Flip( sdl_scaled_screen );
}

//--------------------------------------------------------------------------
//
// PROC I_InitGraphics
//
//--------------------------------------------------------------------------

void I_InitGraphics(void)
{
	if( novideo )
	{
		return;
	}

    // Create a 640x480 window for proper scaling
    sdl_scaled_screen = SDL_SetVideoMode( 640, 480, 8,
                                          SDL_HWPALETTE );
    if( sdl_scaled_screen == NULL )
    {
        fprintf( stderr, "Couldn't set video mode 640x480: %s\n",
                 SDL_GetError() );
        exit( 3 );
    }

    // Create an off-screen surface for the game's 320x200 rendering
    sdl_screen = SDL_CreateRGBSurface( SDL_SWSURFACE, SCREENWIDTH, SCREENHEIGHT, 8,
                                       0, 0, 0, 0 );
    if( sdl_screen == NULL )
    {
        fprintf( stderr, "Couldn't create %dx%d surface: %s\n",
                 SCREENWIDTH, SCREENHEIGHT, SDL_GetError() );
        exit( 3 );
    }

    // Copy the palette from the scaled screen
    SDL_SetColors( sdl_screen, sdl_scaled_screen->format->palette->colors, 0, 256 );

	if ( M_CheckParm("-grabmouse") ) {
		grabMouse = 1;
	} else {
		grabMouse = 0;
	}
    SDL_ShowCursor( 0 );
    SDL_WM_SetCaption( "HEXEN v1.1", "HEXEN" );

	pcscreen = destscreen = sdl_screen->pixels;

	I_SetPalette( W_CacheLumpName("PLAYPAL", PU_CACHE) );
}

//--------------------------------------------------------------------------
//
// PROC I_ShutdownGraphics
//
//--------------------------------------------------------------------------

void I_ShutdownGraphics(void)
{
}

//--------------------------------------------------------------------------
//
// PROC I_ReadScreen
//
// Reads the screen currently displayed into a linear buffer.
//
//--------------------------------------------------------------------------

/*
void I_ReadScreen(byte *scr)
{
	memcpy(scr, screen, SCREENWIDTH*SCREENHEIGHT);
}
*/

//===========================================================================


//
//  Translates the key 
//

int xlatekey(SDL_keysym *key)
{

    int rc;

    switch(key->sym)
    {
      case SDLK_LEFT:	rc = KEY_LEFTARROW;	break;
      case SDLK_RIGHT:	rc = KEY_RIGHTARROW;	break;
      case SDLK_DOWN:	rc = KEY_DOWNARROW;	break;
      case SDLK_UP:	rc = KEY_UPARROW;	break;
      case SDLK_ESCAPE:	rc = KEY_ESCAPE;	break;
      case SDLK_RETURN:	rc = KEY_ENTER;		break;
      case SDLK_F1:	rc = KEY_F1;		break;
      case SDLK_F2:	rc = KEY_F2;		break;
      case SDLK_F3:	rc = KEY_F3;		break;
      case SDLK_F4:	rc = KEY_F4;		break;
      case SDLK_F5:	rc = KEY_F5;		break;
      case SDLK_F6:	rc = KEY_F6;		break;
      case SDLK_F7:	rc = KEY_F7;		break;
      case SDLK_F8:	rc = KEY_F8;		break;
      case SDLK_F9:	rc = KEY_F9;		break;
      case SDLK_F10:	rc = KEY_F10;		break;
#ifdef VMS
      case SDLK_F12:	rc = KEY_F11;		break;
      case SDLK_F11:	rc = KEY_ESCAPE;	break;
#else
      case SDLK_F11:	rc = KEY_F11;		break;
      case SDLK_F12:	rc = KEY_F12;		break;
#endif
	
      case SDLK_INSERT: rc = KEY_INS;           break;
      case SDLK_DELETE: rc = KEY_DEL;           break;
      case SDLK_PAGEUP: rc = KEY_PGUP;          break;
      case SDLK_PAGEDOWN: rc = KEY_PGDN;        break;
      case SDLK_HOME:   rc = KEY_HOME;          break;
      case SDLK_END:    rc = KEY_END;           break;

      case SDLK_BACKSPACE: rc = KEY_BACKSPACE;	break;

      case SDLK_PAUSE:	rc = KEY_PAUSE;		break;

      case SDLK_EQUALS:	rc = KEY_EQUALS;	break;

      case SDLK_KP_MINUS:
      case SDLK_MINUS:	rc = KEY_MINUS;		break;

      case SDLK_LSHIFT:
      case SDLK_RSHIFT:
	rc = KEY_RSHIFT;
	break;
	
      case SDLK_LCTRL:
      case SDLK_RCTRL:
	rc = KEY_RCTRL;
	break;
	
      case SDLK_LALT:
      case SDLK_LMETA:
      case SDLK_RALT:
      case SDLK_RMETA:
	rc = KEY_RALT;
	break;
	
      default:
        rc = key->sym;
	break;
    }

    return rc;

}


/* This processes SDL events */
void I_GetEvent(SDL_Event *Event)
{
    Uint8 buttonstate;
    event_t event;

    switch (Event->type)
    {
      case SDL_KEYDOWN:
        event.type = ev_keydown;
        event.data1 = xlatekey(&Event->key.keysym);
        H2_PostEvent(&event);
        break;

      case SDL_KEYUP:
        event.type = ev_keyup;
        event.data1 = xlatekey(&Event->key.keysym);
        H2_PostEvent(&event);
        break;

      case SDL_MOUSEBUTTONDOWN:
      case SDL_MOUSEBUTTONUP:
        buttonstate = SDL_GetMouseState(NULL, NULL);
        event.type = ev_mouse;
        event.data1 = 0
            | (buttonstate & SDL_BUTTON(1) ? 1 : 0)
            | (buttonstate & SDL_BUTTON(2) ? 2 : 0)
            | (buttonstate & SDL_BUTTON(3) ? 4 : 0);
        event.data2 = event.data3 = 0;
        H2_PostEvent(&event);
        break;

#if (SDL_MAJOR_VERSION >= 0) && (SDL_MINOR_VERSION >= 9)
      case SDL_MOUSEMOTION:
        /* Ignore mouse warp events */
        if ( (Event->motion.x != sdl_scaled_screen->w/2) ||
             (Event->motion.y != sdl_scaled_screen->h/2) )
        {
            /* Warp the mouse back to the center */
            if (grabMouse) {
                SDL_WarpMouse(sdl_scaled_screen->w/2, sdl_scaled_screen->h/2);
            }
            event.type = ev_mouse;
            event.data1 = 0
                | (Event->motion.state & SDL_BUTTON(1) ? 1 : 0)
                | (Event->motion.state & SDL_BUTTON(2) ? 2 : 0)
                | (Event->motion.state & SDL_BUTTON(3) ? 4 : 0);
            event.data2 = Event->motion.xrel << 2;
            event.data3 = -Event->motion.yrel << 2;
            H2_PostEvent(&event);
        }
        break;
#endif

      case SDL_QUIT:
        I_Quit();
    }

}

//
// I_StartTic
//
void I_StartTic (void)
{
    SDL_Event Event;

    while ( SDL_PollEvent(&Event) )
        I_GetEvent(&Event);
}


void I_JoystickEvents(void);


/*
===============
=
= I_StartFrame
=
===============
*/

void I_StartFrame (void)
{
	I_JoystickEvents ();
	if(useexterndriver)
	{
		DPMIInt(i_Vector);
	}
}

/*
============================================================================

					TIMER INTERRUPT

============================================================================
*/


/*
================
=
= I_TimerISR
=
================
*/

int I_TimerISR (void)
{
	ticcount++;
	return 0;
}

/*
============================================================================

						KEYBOARD

============================================================================
*/

int lastpress;



/*
============================================================================

							MOUSE

============================================================================
*/


/*
================
=
= StartupMouse
=
================
*/

void I_StartupCyberMan(void);

void I_StartupMouse (void)
{
	mousepresent = 1;

	I_StartupCyberMan();
}


/*
============================================================================

					JOYSTICK

============================================================================
*/

int     joyxl, joyxh, joyyl, joyyh;

boolean WaitJoyButton (void)
{
#if 0
	int             oldbuttons, buttons;

	oldbuttons = 0;
	do
	{
		I_WaitVBL (1);
		buttons =  ((inp(0x201) >> 4)&1)^1;
		if (buttons != oldbuttons)
		{
			oldbuttons = buttons;
			continue;
		}

		if ( (lastpress& 0x7f) == 1 )
		{
			joystickpresent = false;
			return false;
		}
	} while ( !buttons);

	do
	{
		I_WaitVBL (1);
		buttons =  ((inp(0x201) >> 4)&1)^1;
		if (buttons != oldbuttons)
		{
			oldbuttons = buttons;
			continue;
		}

		if ( (lastpress& 0x7f) == 1 )
		{
			joystickpresent = false;
			return false;
		}
	} while ( buttons);

#endif
	return true;
}



/*
===============
=
= I_StartupJoystick
=
===============
*/

int             basejoyx, basejoyy;

void I_StartupJoystick (void)
{
	int     centerx, centery;

	joystickpresent = 0;
	if ( M_CheckParm ("-nojoy") || !usejoystick )
		return;

	if (!I_ReadJoystick ())
	{
		joystickpresent = false;
		ST_Message("joystick not found\n ");
		return;
	}
	ST_Message("joystick found\n");
	joystickpresent = true;

	ST_RealMessage("CENTER the joystick and press button 1:");
	if (!WaitJoyButton ())
		return;
	I_ReadJoystick ();
	centerx = joystickx;
	centery = joysticky;

	ST_RealMessage("\nPush the joystick to the UPPER LEFT corner and press button 1:");
	if (!WaitJoyButton ())
		return;
	I_ReadJoystick ();
	joyxl = (centerx + joystickx)/2;
	joyyl = (centerx + joysticky)/2;

	ST_RealMessage("\nPush the joystick to the LOWER RIGHT corner and press button 1:");
	if (!WaitJoyButton ())
		return;
	I_ReadJoystick ();
	joyxh = (centerx + joystickx)/2;
	joyyh = (centery + joysticky)/2;
	ST_RealMessage("\n");
}

/*
===============
=
= I_JoystickEvents
=
===============
*/

void I_JoystickEvents (void)
{
	event_t ev;

//
// joystick events
//
	if (!joystickpresent)
		return;

	I_ReadJoystick();
	ev.type = ev_joystick;
	ev.data1 =  0;  //((inp(0x201) >> 4)&15)^15;

	if (joystickx < joyxl)
		ev.data2 = -1;
	else if (joystickx > joyxh)
		ev.data2 = 1;
	else
		ev.data2 = 0;
	if (joysticky < joyyl)
		ev.data3 = -1;
	else if (joysticky > joyyh)
		ev.data3 = 1;
	else
		ev.data3 = 0;

	H2_PostEvent (&ev);
}



/*
============================================================================

					DPMI STUFF

============================================================================
*/

#define REALSTACKSIZE   1024

dpmiregs_t dpmiregs;

unsigned realstackseg;

void I_DivException (void);
int I_SetDivException (void);


void DPMIInt (int i)
{
}



/*
============================================================================

					TIMER INTERRUPT

============================================================================
*/


/*
===============
=
= I_Init
=
= hook interrupts and set graphics mode
=
===============
*/

void I_Init (void)
{
	extern void I_StartupTimer(void);

	novideo = M_CheckParm("novideo");
	//ST_Message("  I_StartupMouse ");
	I_StartupMouse();
//	tprintf("I_StartupJoystick ",1);
//	I_StartupJoystick();
	ST_Message("  S_Init... ");
	S_Init();
	S_Start();
}


/*
===============
=
= I_Shutdown
=
= return to default system state
=
===============
*/

void I_Shutdown (void)
{
	I_ShutdownGraphics ();
	S_ShutDown ();
}


/*
================
=
= I_Error
=
================
*/

void I_Error (char *error, ...)
{
	va_list argptr;

	D_QuitNetGame ();
	I_Shutdown ();
	va_start (argptr,error);
	vprintf (error, argptr);
	va_end (argptr);
	printf ("\n");
	exit (1);
}

//--------------------------------------------------------------------------
//
// I_Quit
//
// Shuts down net game, saves defaults, prints the exit text message,
// goes to text mode, and exits.
//
//--------------------------------------------------------------------------

void I_Quit(void)
{
	D_QuitNetGame();
	M_SaveDefaults();
	I_Shutdown();

//	scr = (byte *)W_CacheLumpName("ENDTEXT", PU_CACHE);
/*
	memcpy((void *)0xb8000, scr, 80*25*2);
	regs.w.ax = 0x0200;
	regs.h.bh = 0;
	regs.h.dl = 0;
	regs.h.dh = 23;
	int386(0x10, (const union REGS *)&regs, &regs); // Set text pos
	_settextposition(24, 1);
*/
	printf("\nHexen: Beyond Heretic\n");
	exit(0);
}

/*
===============
=
= I_ZoneBase
=
===============
*/

byte *I_ZoneBase (int *size)
{
	byte *ptr;
    int heap = 0x800000;

    ptr = malloc ( heap );

	ST_Message ("  0x%x allocated for zone, ", heap);
	ST_Message ("ZoneBase: 0x%X\n", (int)ptr);

	if ( ! ptr )
		I_Error ("  Insufficient DPMI memory!");

	*size = heap;
	return ptr;
}

/*
=============
=
= I_AllocLow
=
=============
*/

byte *I_AllocLow (int length)
{
	return malloc( length );
}

/*
============================================================================

						NETWORKING

============================================================================
*/

/* // FUCKED LINES
typedef struct
{
	char    priv[508];
} doomdata_t;
*/ // FUCKED LINES

#define DOOMCOM_ID              0x12345678l

/* // FUCKED LINES
typedef struct
{
	long    id;
	short   intnum;                 // DOOM executes an int to execute commands

// communication between DOOM and the driver
	short   command;                // CMD_SEND or CMD_GET
	short   remotenode;             // dest for send, set by get (-1 = no packet)
	short   datalength;             // bytes in doomdata to be sent

// info common to all nodes
	short   numnodes;               // console is allways node 0
	short   ticdup;                 // 1 = no duplication, 2-5 = dup for slow nets
	short   extratics;              // 1 = send a backup tic in every packet
	short   deathmatch;             // 1 = deathmatch
	short   savegame;               // -1 = new game, 0-5 = load savegame
	short   episode;                // 1-3
	short   map;                    // 1-9
	short   skill;                  // 1-5

// info specific to this node
	short   consoleplayer;
	short   numplayers;
	short   angleoffset;    // 1 = left, 0 = center, -1 = right
	short   drone;                  // 1 = drone

// packet data to be sent
	doomdata_t      data;
} doomcom_t;
*/ // FUCKED LINES

extern  doomcom_t               *doomcom;

/*
====================
=
= I_InitNetwork
=
====================
*/

void I_InitNetwork (void)
{
	int             i;

	i = M_CheckParm ("-net");
	if (!i)
	{
	//
	// single player game
	//
		doomcom = malloc (sizeof (*doomcom) );
		memset (doomcom, 0, sizeof(*doomcom) );
		netgame = false;
		doomcom->id = DOOMCOM_ID;
		doomcom->numplayers = doomcom->numnodes = 1;
		doomcom->deathmatch = false;
		doomcom->consoleplayer = 0;
		doomcom->ticdup = 1;
		doomcom->extratics = 0;
		return;
	}

	netgame = true;
	doomcom = (doomcom_t *)atoi(myargv[i+1]);
//DEBUG
doomcom->skill = startskill;
doomcom->episode = startepisode;
doomcom->map = startmap;
doomcom->deathmatch = deathmatch;

}

void I_NetCmd (void)
{
	if (!netgame)
		I_Error ("I_NetCmd when not in netgame");
	DPMIInt (doomcom->intnum);
}

//=========================================================================
//
// I_CheckExternDriver
//
//		Checks to see if a vector, and an address for an external driver
//			have been passed.
//=========================================================================

void I_CheckExternDriver(void)
{
	int i;

	if(!(i = M_CheckParm("-externdriver")))
	{
		return;
	}
	i_ExternData = (externdata_t *)atoi(myargv[i+1]);
	i_Vector = i_ExternData->vector;

	useexterndriver = true;
}

//=========================================================================
//=========================================================================
// Hi-Res (mode 12) stuff
//=========================================================================
//=========================================================================


//==========================================================================
//
// SetVideoModeHR - Set video mode to 640x480x16
//
//==========================================================================


void SetVideoModeHR(void)
{
    //TODO
}


//==========================================================================
//
// ClearScreenHR - Clear the screen to color 0
//
//==========================================================================

void ClearScreenHR(void)
{
    //TODO
}


//==========================================================================
//
// SlamHR - copy 4-plane buffer to screen
//
//==========================================================================

void SlamHR(char *buffer)
{
#if 1
    printf( "SlamHR\n" );
#else
	BITPLANE(MASK_PLANE0);
	memcpy((char *)0xA0000, buffer+P0OFFSET, 38400);
	BITPLANE(MASK_PLANE1);
	memcpy((char *)0xA0000, buffer+P1OFFSET, 38400);
	BITPLANE(MASK_PLANE2);
	memcpy((char *)0xA0000, buffer+P2OFFSET, 38400);
	BITPLANE(MASK_PLANE3);
	memcpy((char *)0xA0000, buffer+P3OFFSET, 38400);
#endif
}


//==========================================================================
//
// SlamHR - copy 4-plane buffer to screen
//
// X and Width should be a multiple of 8
// src should be 4 planes of block size, back to back
//==========================================================================

void SlamBlockHR(int x, int y, int w, int h, char *src)
{
#if 1
    printf( "SlamHR\n" );
#else
	int srcwid = w>>3;
	char *dest = ((char *)0xA0000) + (y*(640/8)) + (x>>3);
	char *dst;
	int i;

	VB_SYNC;

	BITPLANE(MASK_PLANE0);
	dst = dest;
	for ( i=0; i<h; i++ )
	{
		memcpy(dst, src, srcwid);
		dst += 640/8;
		src += srcwid;
	}
	BITPLANE(MASK_PLANE1);
	dst = dest;
	for ( i=0; i<h; i++ )
	{
		memcpy(dst, src, srcwid);
		dst += 640/8;
		src += srcwid;
	}
	BITPLANE(MASK_PLANE2);
	dst = dest;
	for ( i=0; i<h; i++ )
	{
		memcpy(dst, src, srcwid);
		dst += 640/8;
		src += srcwid;
	}
	BITPLANE(MASK_PLANE3);
	dst = dest;
	for ( i=0; i<h; i++ )
	{
		memcpy(dst, src, srcwid);
		dst += 640/8;
		src += srcwid;
	}
#endif
}

//==========================================================================
//
// InitPaletteHR
//
//==========================================================================

void InitPaletteHR(void)
{
}


//==========================================================================
//
// SetPaletteHR - Set the HR palette
//
//==========================================================================

void SetPaletteHR(byte *palette)
{
	int i;

	for(i = 0; i < 16*3; i++)
	{
		//outp(PEL_DATA, (*palette++));
	}
}


//==========================================================================
//
// GetPaletteHR - Get the HR palette
//
//==========================================================================

void GetPaletteHR(byte *palette)
{
	int i;
	for( i=0; i<16*3; i++ )
	{
		*palette++ = 0; //inp(PEL_DATA);
	}
}


//==========================================================================
//
// FadeToPaletteHR
//
//==========================================================================

void FadeToPaletteHR(byte *palette)
{
	int i,j;
	int steps=140;          // two-seconds
	byte basep[16*3];
	byte work[16*3];
	int delta;

	GetPaletteHR(basep);
	for(i = 0; i < steps; i++)
	{
		for(j = 0; j < 16*3; j++)
		{
			delta = palette[j]-basep[j];
			work[j] = basep[j]+delta*i/steps;
		}
		SetPaletteHR(work);
	}
	SetPaletteHR(palette);
}


//==========================================================================
//
// FadeToBlackHR - Fades the palette out to black
//
//==========================================================================

/*
void FadeToBlackHR(void)
{
	char work[16*3];
	char base[16*3];
	int i,j,steps=70;

	GetPaletteHR(base);
	for (i=0; i<steps; i++)
	{
		for (j=0; j<16*3; j++)
		{
			work[j] = base[j]-(base[j]*i/steps);
		}
		VB_SYNC;
		SetPaletteHR(work);
	}
	memset(work,0,16*3);
	SetPaletteHR(work);
}
*/

//==========================================================================
//
// BlackPaletteHR - Instantly blacks out the palette
//
//==========================================================================

void BlackPaletteHR(void)
{
	char blackpal[16*3];

	memset(blackpal,0,16*3);
	SetPaletteHR(blackpal);
}

//==========================================================================
//
//
// I_StartupReadKeys
//
//
//==========================================================================

void I_StartupReadKeys(void)
{
   //if( KEY_ESCAPE pressed )
   //    I_Quit ();
}


//EOF
