Update client engine interface

engine/cdll_int.h

@@ -27,6 +27,16 @@ extern "C" {
 #endif
 
 #include "const.h"
+#include <stdint.h>
+
+#define MAX_ALIAS_NAME	32
+
+typedef struct cmdalias_s
+{
+	struct cmdalias_s	*next;
+	char		name[MAX_ALIAS_NAME];
+	char		*value;
+} cmdalias_t;
 
 // this file is included by both the engine and the client-dll,
 // so make sure engine declarations aren't done twice
@@ -96,10 +106,12 @@ typedef struct hud_player_info_s
 	char		*model;
 	short		topcolor;
 	short		bottomcolor;
+
+	uint64_t	m_nSteamID;
 } hud_player_info_t;
 
-typedef struct event_args_s event_args_t;
-typedef struct screenfade_s screenfade_t;
+struct screenfade_s;
+struct tagPOINT;
 
 typedef struct cl_enginefuncs_s
 {
@@ -197,15 +209,15 @@ typedef struct cl_enginefuncs_s
 	void	(*pfnPlaybackEvent)( int flags, const struct edict_s *pInvoker, unsigned short eventindex, float delay, float *origin, float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 );
 	void	(*pfnWeaponAnim)( int iAnim, int body );
 	float	(*pfnRandomFloat)( float flLow, float flHigh );	
-	long	(*pfnRandomLong)( long lLow, long lHigh );
-	void	(*pfnHookEvent)( char *name, void ( *pfnEvent )( event_args_t *args ));
+	int	(*pfnRandomLong)( int lLow, int lHigh );
+	void	(*pfnHookEvent)( char *name, void ( *pfnEvent )( struct event_args_s *args ));
 	int	(*Con_IsVisible) ();
 	const char *(*pfnGetGameDirectory)( void );
 	struct cvar_s *(*pfnGetCvarPointer)( const char *szName );
 	const char *(*Key_LookupBinding)( const char *pBinding );
 	const char *(*pfnGetLevelName)( void );
-	void	(*pfnGetScreenFade)( screenfade_t *fade );
-	void	(*pfnSetScreenFade)( screenfade_t *fade );
+	void	(*pfnGetScreenFade)( struct screenfade_s *fade );
+	void	(*pfnSetScreenFade)( struct screenfade_s *fade );
 	void*	(*VGui_GetPanel)( );
 	void	(*VGui_ViewportPaintBackground)( int extents[4] );
 
@@ -251,6 +263,44 @@ typedef struct cl_enginefuncs_s
 	void	(*pfnGetMousePos)( struct tagPOINT *ppt );
 	void	(*pfnSetMousePos)( int x, int y );
 	void	(*pfnSetMouseEnable)( qboolean fEnable );
+
+	// undocumented interface starts here
+	struct cvar_s*	(*pfnGetFirstCvarPtr)( void );
+	void*		(*pfnGetFirstCmdFunctionHandle)( void );
+	void*		(*pfnGetNextCmdFunctionHandle)( void *cmdhandle );
+	const char*	(*pfnGetCmdFunctionName)( void *cmdhandle );
+	float		(*pfnGetClientOldTime)( void );
+	float		(*pfnGetGravity)( void );
+	struct model_s*	(*pfnGetModelByIndex)( int index );
+	void		(*pfnSetFilterMode)( int mode ); // same as gl_texsort in original Quake
+	void		(*pfnSetFilterColor)( float red, float green, float blue );
+	void		(*pfnSetFilterBrightness)( float brightness );
+	void		*(*pfnSequenceGet)( const char *fileName, const char *entryName );
+	void		(*pfnSPR_DrawGeneric)( int frame, int x, int y, const wrect_t *prc, int blendsrc, int blenddst, int width, int height );
+	void		*(*pfnSequencePickSentence)( const char *groupName, int pickMethod, int *entryPicked );
+	int		(*pfnDrawString)( int x, int y, const char *str, int r, int g, int b );
+	int		(*pfnDrawStringReverse)( int x, int y, const char *str, int r, int g, int b );
+	const char	*(*LocalPlayerInfo_ValueForKey)( const char* key );
+	int		(*pfnVGUI2DrawCharacter)( int x, int y, int ch, unsigned int font );
+	int		(*pfnVGUI2DrawCharacterAdditive)( int x, int y, int ch, int r, int g, int b, unsigned int font );
+	unsigned int	(*pfnGetApproxWavePlayLen)( char *filename );
+	void*		(*GetCareerGameUI)( void );	// g-cont. !!!! potential crash-point!
+	void		(*Cvar_Set)( char *name, char *value );
+	int		(*pfnIsPlayingCareerMatch)( void );
+	void		(*pfnPlaySoundVoiceByName)( char *szSound, float volume, int pitch );
+	void		(*pfnPrimeMusicStream)( char *filename, int looping );
+	double		(*pfnSys_FloatTime)( void );
+
+	// decay funcs
+	void		(*pfnProcessTutorMessageDecayBuffer)( int *buffer, int buflen );
+	void		(*pfnConstructTutorMessageDecayBuffer)( int *buffer, int buflen );
+	void		(*pfnResetTutorMessageDecayData)( void );
+
+	void		(*pfnPlaySoundByNameAtPitch)( char *szSound, float volume, int pitch );
+	void		(*pfnFillRGBABlend)( int x, int y, int width, int height, int r, int g, int b, int a );
+	int		(*pfnGetAppID)( void );
+	cmdalias_t	*(*pfnGetAliases)( void );
+	void		(*pfnVguiWrap2_GetMouseDelta)( int *x, int *y );
 } cl_enginefunc_t;
 
 #define CLDLL_INTERFACE_VERSION	7

engine/client/cl_game.c

@@ -2772,6 +2772,281 @@ void pfnSetMouseEnable( qboolean fEnable )
 {
 }
 
+
+/*
+=============
+pfnGetServerTime
+
+=============
+*/
+static float GAME_EXPORT pfnGetClientOldTime( void )
+{
+	return cl.oldtime;
+}
+
+/*
+=============
+pfnGetGravity
+
+=============
+*/
+static float GAME_EXPORT pfnGetGravity( void )
+{
+	return clgame.movevars.gravity;
+}
+
+/*
+=============
+pfnEnableTexSort
+
+TODO: implement
+=============
+*/
+static void GAME_EXPORT pfnEnableTexSort( int enable )
+{
+}
+
+/*
+=============
+pfnSetLightmapColor
+
+TODO: implement
+=============
+*/
+static void GAME_EXPORT pfnSetLightmapColor( float red, float green, float blue )
+{
+}
+
+/*
+=============
+pfnSetLightmapScale
+
+TODO: implement
+=============
+*/
+static void GAME_EXPORT pfnSetLightmapScale( float scale )
+{
+}
+
+/*
+=============
+pfnSPR_DrawGeneric
+
+=============
+*/
+static void GAME_EXPORT pfnSPR_DrawGeneric( int frame, int x, int y, const wrect_t *prc, int blendsrc, int blenddst, int width, int height )
+{
+	pglEnable( GL_BLEND );
+	pglBlendFunc( blendsrc, blenddst ); // g-cont. are params is valid?
+	SPR_DrawGeneric( frame, x, y, width, height, prc );
+}
+
+/*
+=============
+LocalPlayerInfo_ValueForKey
+
+=============
+*/
+static const char *GAME_EXPORT LocalPlayerInfo_ValueForKey( const char* key )
+{
+	return Info_ValueForKey( CL_Userinfo(), key );
+}
+
+/*
+=============
+pfnVGUI2DrawCharacter
+
+=============
+*/
+static int GAME_EXPORT pfnVGUI2DrawCharacter( int x, int y, int number, unsigned int font )
+{
+	if( !cls.creditsFont.valid )
+		return 0;
+
+	number &= 255;
+
+	number = Con_UtfProcessChar( number );
+
+	if( number < 32 ) return 0;
+	if( y < -clgame.scrInfo.iCharHeight )
+		return 0;
+
+	clgame.ds.adjust_size = true;
+	gameui.ds.gl_texturenum = cls.creditsFont.hFontTexture;
+	pfnPIC_DrawAdditive( x, y, -1, -1, &cls.creditsFont.fontRc[number] );
+	clgame.ds.adjust_size = false;
+
+	return clgame.scrInfo.charWidths[number];
+}
+
+/*
+=============
+pfnVGUI2DrawCharacterAdditive
+
+=============
+*/
+static int GAME_EXPORT pfnVGUI2DrawCharacterAdditive( int x, int y, int ch, int r, int g, int b, unsigned int font )
+{
+	/// TODO: fix UTF-8
+#if 0
+	if( !hud_utf8->integer )
+		ch = Con_UtfProcessChar( ch );
+#endif
+
+	return pfnDrawCharacter( x, y, ch, r, g, b );
+}
+
+/*
+=============
+pfnDrawString
+
+=============
+*/
+static int GAME_EXPORT pfnDrawString( int x, int y, const char *str, int r, int g, int b )
+{
+	Con_UtfProcessChar(0);
+
+	// draw the string until we hit the null character or a newline character
+	for ( ; *str != 0 && *str != '\n'; str++ )
+	{
+		x += pfnVGUI2DrawCharacterAdditive( x, y, (unsigned char)*str, r, g, b, 0 );
+	}
+
+	return x;
+}
+
+/*
+=============
+pfnDrawStringReverse
+
+=============
+*/
+static int GAME_EXPORT pfnDrawStringReverse( int x, int y, const char *str, int r, int g, int b )
+{
+	// find the end of the string
+	char *szIt;
+	for( szIt = (char*)str; *szIt != 0; szIt++ )
+		x -= clgame.scrInfo.charWidths[ (unsigned char) *szIt ];
+	pfnDrawString( x, y, str, r, g, b );
+	return x;
+}
+
+/*
+=============
+GetCareerGameInterface
+
+=============
+*/
+static void *GAME_EXPORT GetCareerGameInterface( void )
+{
+	Msg( "^1Career GameInterface called!\n" );
+	return NULL;
+}
+
+/*
+=============
+pfnPlaySoundVoiceByName
+
+=============
+*/
+static void GAME_EXPORT pfnPlaySoundVoiceByName( char *filename, float volume, int pitch )
+{
+	int hSound = S_RegisterSound( filename );
+
+	S_StartSound( NULL, cl.viewentity, CHAN_NETWORKVOICE_END + 1, hSound, volume, 1.0, pitch, SND_STOP_LOOPING );
+}
+
+/*
+=============
+pfnMP3_InitStream
+
+=============
+*/
+static void GAME_EXPORT pfnMP3_InitStream( char *filename, int looping )
+{
+	if( !filename )
+	{
+		S_StopBackgroundTrack();
+		return;
+	}
+
+	if( looping )
+	{
+		S_StartBackgroundTrack( filename, filename, 0, false );
+	}
+	else
+	{
+		S_StartBackgroundTrack( filename, NULL, 0, false );
+	}
+}
+
+/*
+=============
+pfnPlaySoundByNameAtPitch
+
+=============
+*/
+static void GAME_EXPORT pfnPlaySoundByNameAtPitch( char *filename, float volume, int pitch )
+{
+	int hSound = S_RegisterSound( filename );
+	S_StartSound( NULL, cl.viewentity, CHAN_ITEM, hSound, volume, 1.0, pitch, SND_STOP_LOOPING );
+}
+
+/*
+=============
+pfnFillRGBABlend
+
+=============
+*/
+void GAME_EXPORT CL_FillRGBABlend( int x, int y, int w, int h, int r, int g, int b, int a )
+{
+	r = bound( 0, r, 255 );
+	g = bound( 0, g, 255 );
+	b = bound( 0, b, 255 );
+	a = bound( 0, a, 255 );
+
+	SPR_AdjustSize( (float *)&x, (float *)&y, (float *)&w, (float *)&h );
+
+	pglDisable( GL_TEXTURE_2D );
+	pglEnable( GL_BLEND );
+	pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
+	pglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
+	pglColor4f( r / 255.0f, g / 255.0f, b / 255.0f, a / 255.0f );
+
+	pglBegin( GL_QUADS );
+		pglVertex2f( x, y );
+		pglVertex2f( x + w, y );
+		pglVertex2f( x + w, y + h );
+		pglVertex2f( x, y + h );
+	pglEnd ();
+
+	pglColor3f( 1.0f, 1.0f, 1.0f );
+	pglEnable( GL_TEXTURE_2D );
+	pglDisable( GL_BLEND );
+}
+
+/*
+=============
+pfnGetAppID
+
+=============
+*/
+static int GAME_EXPORT pfnGetAppID( void )
+{
+	return 70; // Half-Life AppID
+}
+
+/*
+=============
+pfnVguiWrap2_GetMouseDelta
+
+TODO: implement
+=============
+*/
+static void GAME_EXPORT pfnVguiWrap2_GetMouseDelta( int *x, int *y )
+{
+}
+
 /*
 =============
 pfnParseFile
@@ -3779,6 +4054,39 @@ static cl_enginefunc_t gEngfuncs =
 	pfnGetMousePos,
 	pfnSetMousePos,
 	pfnSetMouseEnable,
+	Cvar_GetList,
+	(void*)Cmd_GetFirstFunctionHandle,
+	(void*)Cmd_GetNextFunctionHandle,
+	(void*)Cmd_GetName,
+	pfnGetClientOldTime,
+	pfnGetGravity,
+	Mod_Handle,
+	pfnEnableTexSort,
+	pfnSetLightmapColor,
+	pfnSetLightmapScale,
+	pfnSequenceGet,
+	pfnSPR_DrawGeneric,
+	pfnSequencePickSentence,
+	pfnDrawString,
+	pfnDrawStringReverse,
+	LocalPlayerInfo_ValueForKey,
+	pfnVGUI2DrawCharacter,
+	pfnVGUI2DrawCharacterAdditive,
+	(void*)Sound_GetApproxWavePlayLen,
+	GetCareerGameInterface,
+	(void*)Cvar_Set,
+	pfnIsCareerMatch,
+	pfnPlaySoundVoiceByName,
+	pfnMP3_InitStream,
+	Sys_DoubleTime,
+	pfnProcessTutorMessageDecayBuffer,
+	pfnConstructTutorMessageDecayBuffer,
+	pfnResetTutorMessageDecayData,
+	pfnPlaySoundByNameAtPitch,
+	CL_FillRGBABlend,
+	pfnGetAppID,
+	Cmd_AliasGetList,
+	pfnVguiWrap2_GetMouseDelta,
 };
 
 void CL_UnloadProgs( void )

engine/common/cmd.c

@@ -21,13 +21,6 @@ GNU General Public License for more details.
 #define MAX_CMD_LINE	2048
 #define MAX_ALIAS_NAME	32
 
-typedef struct cmdalias_s
-{
-	struct cmdalias_s	*next;
-	char		name[MAX_ALIAS_NAME];
-	char		*value;
-} cmdalias_t;
-
 typedef struct
 {
 	byte		*data;
@@ -49,6 +42,7 @@ int			cmd_condlevel;
 
 =============================================================================
 */
+
 /*
 ============
 Cbuf_Init
@@ -498,6 +492,56 @@ char *Cmd_Args( void )
 	return cmd_args;
 }
 
+
+/*
+===========================
+
+Client exports
+
+===========================
+*/
+
+
+/*
+============
+Cmd_AliasGetList
+============
+*/
+cmdalias_t *GAME_EXPORT Cmd_AliasGetList( void )
+{
+	return cmd_alias;
+}
+
+/*
+============
+Cmd_GetList
+============
+*/
+cmd_t *GAME_EXPORT Cmd_GetFirstFunctionHandle( void )
+{
+	return cmd_functions;
+}
+
+/*
+============
+Cmd_GetNext
+============
+*/
+cmd_t *GAME_EXPORT Cmd_GetNextFunctionHandle( cmd_t *cmd )
+{
+	return (cmd) ? cmd->next : NULL;
+}
+
+/*
+============
+Cmd_GetName
+============
+*/
+char *GAME_EXPORT Cmd_GetName( cmd_t *cmd )
+{
+	return cmd->name;
+}
+
 /*
 ============
 Cmd_TokenizeString
@@ -1153,4 +1197,4 @@ void Cmd_Init( void )
 	Cmd_AddCommand( "unalias", Cmd_UnAlias_f, "remove a script function" );
 	Cmd_AddCommand( "if", Cmd_If_f, "compare and set condition bits" );
 	Cmd_AddCommand( "else", Cmd_Else_f, "invert condition bit" );
-}
+}

engine/common/common.c

@@ -1321,3 +1321,110 @@ qboolean COM_IsSafeFileToDownload( const char *filename )
 
 	return true;
 }
+
+/*
+======================
+
+COMMON EXPORT STUBS
+
+======================
+*/
+
+
+/*
+=============
+pfnSequenceGet
+
+used by CS:CZ
+=============
+*/
+void *GAME_EXPORT pfnSequenceGet( const char *fileName, const char *entryName )
+{
+	Msg( "Sequence_Get: file %s, entry %s\n", fileName, entryName );
+
+
+	return Sequence_Get( fileName, entryName );
+}
+
+/*
+=============
+pfnSequencePickSentence
+
+used by CS:CZ
+=============
+*/
+void *GAME_EXPORT pfnSequencePickSentence( const char *groupName, int pickMethod, int *picked )
+{
+	Msg( "Sequence_PickSentence: group %s, pickMethod %i\n", groupName, pickMethod );
+
+	return  Sequence_PickSentence( groupName, pickMethod, picked );
+
+}
+
+/*
+=============
+pfnIsCareerMatch
+
+used by CS:CZ (client stub)
+=============
+*/
+int GAME_EXPORT GAME_EXPORT pfnIsCareerMatch( void )
+{
+	return 0;
+}
+
+/*
+=============
+pfnRegisterTutorMessageShown
+
+only exists in PlayStation version
+=============
+*/
+void GAME_EXPORT pfnRegisterTutorMessageShown( int mid )
+{
+}
+
+/*
+=============
+pfnGetTimesTutorMessageShown
+
+only exists in PlayStation version
+=============
+*/
+int GAME_EXPORT pfnGetTimesTutorMessageShown( int mid )
+{
+	return 0;
+}
+
+/*
+=============
+pfnProcessTutorMessageDecayBuffer
+
+only exists in PlayStation version
+=============
+*/
+void GAME_EXPORT pfnProcessTutorMessageDecayBuffer( int *buffer, int bufferLength )
+{
+}
+
+/*
+=============
+pfnConstructTutorMessageDecayBuffer
+
+only exists in PlayStation version
+=============
+*/
+void GAME_EXPORT pfnConstructTutorMessageDecayBuffer( int *buffer, int bufferLength )
+{
+}
+
+/*
+=============
+pfnResetTutorMessageDecayData
+
+only exists in PlayStation version
+=============
+*/
+void GAME_EXPORT pfnResetTutorMessageDecayData( void )
+{
+}

engine/common/common.h

@@ -122,6 +122,7 @@ typedef char		string[MAX_STRING];
 typedef struct file_s	file_t;		// normal file
 typedef struct wfile_s	wfile_t;		// wad file
 typedef struct stream_s	stream_t;		// sound stream for background music playing
+typedef off_t fs_offset_t;
 
 typedef void (*setpair_t)( const char *key, const char *value, void *buffer, void *numpairs );
 
@@ -768,6 +769,7 @@ long FS_SetStreamPos( stream_t *stream, long newpos );
 long FS_GetStreamPos( stream_t *stream );
 void FS_FreeStream( stream_t *stream );
 qboolean Sound_Process( wavdata_t **wav, int rate, int width, uint flags );
+uint Sound_GetApproxWavePlayLen( const char *filepath );
 
 //
 // build.c
@@ -860,6 +862,19 @@ int pfnNumberOfEntities( void );
 int pfnIsInGame( void );
 float pfnTime( void );
 
+// CS:CS engfuncs (stubs)
+void *pfnSequenceGet( const char *fileName, const char *entryName );
+void *pfnSequencePickSentence( const char *groupName, int pickMethod, int *picked );
+int pfnIsCareerMatch( void );
+
+// Decay engfuncs (stubs)
+int pfnGetTimesTutorMessageShown( int mid );
+void pfnRegisterTutorMessageShown( int mid );
+void pfnConstructTutorMessageDecayBuffer( int *buffer, int buflen );
+void pfnProcessTutorMessageDecayBuffer( int *buffer, int bufferLength );
+void pfnResetTutorMessageDecayData( void );
+
+
 /*
 ==============================================================
 
@@ -952,6 +967,10 @@ byte *COM_LoadFile( const char *filename, int usehunk, int *pLength );
 qboolean CL_GetDemoComment( const char *demoname, char *comment );
 void COM_AddAppDirectoryToSearchPath( const char *pszBaseDir, const char *appName );
 int COM_ExpandFilename( const char *fileName, char *nameOutBuffer, int nameOutBufferSize );
+struct cmd_s *Cmd_GetFirstFunctionHandle( void );
+struct cmd_s *Cmd_GetNextFunctionHandle( struct cmd_s *cmd );
+struct cmdalias_s *Cmd_AliasGetList( void );
+char *Cmd_GetName( struct cmd_s *cmd );
 struct pmtrace_s *PM_TraceLine( float *start, float *end, int flags, int usehull, int ignore_pe );
 void SV_StartSound( edict_t *ent, int chan, const char *sample, float vol, float attn, int flags, int pitch );
 void SV_StartMusic( const char *curtrack, const char *looptrack, long position );

engine/common/cvar.c

@@ -19,6 +19,17 @@ GNU General Public License for more details.
 convar_t	*cvar_vars = NULL; // head of list
 convar_t	*cmd_scripting;
 
+/*
+============
+Cvar_GetList
+============
+*/
+cvar_t *GAME_EXPORT Cvar_GetList( void )
+{
+	return (cvar_t *)cvar_vars;
+}
+
+
 /*
 ============
 Cvar_FindVar
@@ -889,4 +900,4 @@ void Cvar_Init( void )
 	Cmd_AddCommand( "toggle", Cvar_Toggle_f, "toggles a console variable's values (use for more info)" );
 	Cmd_AddCommand( "reset", Cvar_Reset_f, "reset any type variable to initial value" );
 	Cmd_AddCommand( "cvarlist", Cvar_List_f, "display all console variables beginning with the specified prefix" );
-}
+}

engine/common/cvar.h

@@ -48,6 +48,7 @@ typedef struct convar_s
 #define CVAR_DEFINE_AUTO( cv, cvstr, cvflags, cvdesc )	convar_t cv = { #cv, cvstr, cvflags, 0.0f, (void *)CVAR_SENTINEL, cvdesc }
 #define CVAR_TO_BOOL( x )		((x) && ((x)->value != 0.0f) ? true : false )
 
+cvar_t *Cvar_GetList( void );
 #define Cvar_FindVar( name )	Cvar_FindVarExt( name, 0 )
 convar_t *Cvar_FindVarExt( const char *var_name, int ignore_group );
 void Cvar_RegisterVariable( convar_t *var );
@@ -68,4 +69,4 @@ qboolean Cvar_Command( void );
 void Cvar_Init( void );
 void Cvar_Unlink( int group );
 
-#endif//CVAR_H
+#endif//CVAR_H

engine/common/mod_local.h

@@ -152,6 +152,7 @@ model_t *Mod_ForName( const char *name, qboolean crash, qboolean trackCRC );
 qboolean Mod_ValidateCRC( const char *name, CRC32_t crc );
 void Mod_NeedCRC( const char *name, qboolean needCRC );
 void Mod_FreeUnused( void );
+model_t *Mod_Handle( int handle );
 
 //
 // mod_bmodel.c

engine/common/model.c

@@ -601,4 +601,21 @@ void Mod_NeedCRC( const char *name, qboolean needCRC )
 
 	if( needCRC ) SetBits( p->flags, FCRC_SHOULD_CHECKSUM );
 	else ClearBits( p->flags, FCRC_SHOULD_CHECKSUM );
-}
+}
+
+
+/*
+==================
+Mod_Handle
+
+==================
+*/
+model_t *GAME_EXPORT Mod_Handle( int handle )
+{
+	if( handle < 0 || handle >= MAX_MODELS )
+	{
+		MsgDev( D_NOTE, "Mod_Handle: bad handle #%i\n", handle );
+		return NULL;
+	}
+	return &mod_known[handle];
+}

engine/common/soundlib/snd_utils.c

@@ -93,6 +93,49 @@ byte *Sound_Copy( size_t size )
 	return out; 
 }
 
+uint GAME_EXPORT Sound_GetApproxWavePlayLen( const char *filepath )
+{
+	file_t	*f;
+	wavehdr_t	wav;
+	size_t	filesize;
+	float	seconds;
+	uint	samples;
+
+	f = FS_Open( filepath, "rb", false );
+	if( !f ) return 0;
+
+	if( FS_Read( f, &wav, sizeof( wav )) != sizeof( wav ))
+	{
+		FS_Close( f );
+		return 0;
+	}
+
+	filesize = FS_FileLength( f );
+	filesize -= ( sizeof( wavehdr_t ) + sizeof( chunkhdr_t ));
+
+	FS_Close( f );
+
+	// is real wav file ?
+	if( wav.riff_id != RIFFHEADER || wav.wave_id != WAVEHEADER || wav.fmt_id != FORMHEADER )
+		return 0;
+
+	if( wav.wFormatTag != 1 )
+		return 0;
+
+	if( wav.nChannels != 1 && wav.nChannels != 2 )
+		return 0;
+
+	if( wav.nBitsPerSample != 8 && wav.nBitsPerSample != 16 )
+		return 0;
+
+	// calc samplecount
+	seconds = (float)filesize / wav.nAvgBytesPerSec / wav.nChannels;
+	samples = (uint)(( wav.nSamplesPerSec * wav.nChannels ) * seconds );
+
+	// g-cont. this function returns samplecount or time in milliseconds ???
+	return (uint)(seconds * 1000);
+}
+
 /*
 ================
 Sound_ConvertToSigned
@@ -238,4 +281,4 @@ qboolean Sound_Process( wavdata_t **wav, int rate, int width, uint flags )
 	*wav = snd;
 
 	return false;
-}
+}

engine/sequence.h

@@ -0,0 +1,205 @@
+//---------------------------------------------------------------------------
+// 
+//		S c r i p t e d   S e q u e n c e s
+// 
+//---------------------------------------------------------------------------
+#ifndef _INCLUDE_SEQUENCE_H_
+#define _INCLUDE_SEQUENCE_H_
+
+
+#ifndef _DEF_BYTE_
+//typedef unsigned char byte;
+#endif
+
+#ifndef CDLL_INT_H
+//---------------------------------------------------------------------------
+// client_textmessage_t
+//---------------------------------------------------------------------------
+typedef struct client_textmessage_s
+{
+	int		effect;
+	byte	r1, g1, b1, a1;		// 2 colors for effects
+	byte	r2, g2, b2, a2;
+	float	x;
+	float	y;
+	float	fadein;
+	float	fadeout;
+	float	holdtime;
+	float	fxtime;
+	char *pName;
+	char *pMessage;
+} client_textmessage_t;
+#endif
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandEnum_e
+// 
+// Enumerated sequence command types.
+//---------------------------------------------------------------------------
+enum sequenceCommandEnum_
+{
+	SEQUENCE_COMMAND_ERROR = -1,
+	SEQUENCE_COMMAND_PAUSE = 0,
+	SEQUENCE_COMMAND_FIRETARGETS,
+	SEQUENCE_COMMAND_KILLTARGETS,
+	SEQUENCE_COMMAND_TEXT,
+	SEQUENCE_COMMAND_SOUND,
+	SEQUENCE_COMMAND_GOSUB,
+	SEQUENCE_COMMAND_SENTENCE,
+	SEQUENCE_COMMAND_REPEAT,
+	SEQUENCE_COMMAND_SETDEFAULTS,
+	SEQUENCE_COMMAND_MODIFIER,
+	SEQUENCE_COMMAND_POSTMODIFIER,
+	SEQUENCE_COMMAND_NOOP,
+
+	SEQUENCE_MODIFIER_EFFECT,
+	SEQUENCE_MODIFIER_POSITION,
+	SEQUENCE_MODIFIER_COLOR,
+	SEQUENCE_MODIFIER_COLOR2,
+	SEQUENCE_MODIFIER_FADEIN,
+	SEQUENCE_MODIFIER_FADEOUT,
+	SEQUENCE_MODIFIER_HOLDTIME,
+	SEQUENCE_MODIFIER_FXTIME,
+	SEQUENCE_MODIFIER_SPEAKER,
+	SEQUENCE_MODIFIER_LISTENER,
+	SEQUENCE_MODIFIER_TEXTCHANNEL,
+};
+typedef enum sequenceCommandEnum_ sequenceCommandEnum_e;
+
+//--------------------------------------------------------------------------
+// sequenceDefaultBits_e
+//
+// Enumerated list of possible modifiers for a command.  This enumeration
+// is used in a bitarray controlling what modifiers are specified for a command.
+//---------------------------------------------------------------------------
+enum sequenceModifierBits
+{
+	SEQUENCE_MODIFIER_EFFECT_BIT		= (1 << 1),
+	SEQUENCE_MODIFIER_POSITION_BIT		= (1 << 2),
+	SEQUENCE_MODIFIER_COLOR_BIT			= (1 << 3),
+	SEQUENCE_MODIFIER_COLOR2_BIT		= (1 << 4),
+	SEQUENCE_MODIFIER_FADEIN_BIT		= (1 << 5),
+	SEQUENCE_MODIFIER_FADEOUT_BIT		= (1 << 6),
+	SEQUENCE_MODIFIER_HOLDTIME_BIT		= (1 << 7),
+	SEQUENCE_MODIFIER_FXTIME_BIT		= (1 << 8),
+	SEQUENCE_MODIFIER_SPEAKER_BIT		= (1 << 9),
+	SEQUENCE_MODIFIER_LISTENER_BIT		= (1 << 10),
+	SEQUENCE_MODIFIER_TEXTCHANNEL_BIT	= (1 << 11),
+};
+typedef enum sequenceModifierBits sequenceModifierBits_e ;
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandType_e
+// 
+// Typeerated sequence command types.
+//---------------------------------------------------------------------------
+enum sequenceCommandType_
+{
+	SEQUENCE_TYPE_COMMAND,
+	SEQUENCE_TYPE_MODIFIER,
+};
+typedef enum sequenceCommandType_ sequenceCommandType_e;
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandMapping_s
+// 
+// A mapping of a command enumerated-value to its name.
+//---------------------------------------------------------------------------
+typedef struct sequenceCommandMapping_ sequenceCommandMapping_s;
+struct sequenceCommandMapping_
+{
+	sequenceCommandEnum_e	commandEnum;
+	const char*				commandName;
+	sequenceCommandType_e	commandType;
+};
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandLine_s
+// 
+// Structure representing a single command (usually 1 line) from a
+//	.SEQ file entry.
+//---------------------------------------------------------------------------
+typedef struct sequenceCommandLine_ sequenceCommandLine_s;
+struct sequenceCommandLine_
+{
+	int						commandType;		// Specifies the type of command
+	client_textmessage_t	clientMessage;		// Text HUD message struct
+	char*					speakerName;		// Targetname of speaking entity
+	char*					listenerName;		// Targetname of entity being spoken to
+	char*					soundFileName;		// Name of sound file to play
+	char*					sentenceName;		// Name of sentences.txt to play
+	char*					fireTargetNames;	// List of targetnames to fire
+	char*					killTargetNames;	// List of targetnames to remove
+	float					delay;				// Seconds 'till next command
+	int						repeatCount;		// If nonzero, reset execution pointer to top of block (N times, -1 = infinite)
+	int						textChannel;		// Display channel on which text message is sent
+	int						modifierBitField;	// Bit field to specify what clientmessage fields are valid
+	sequenceCommandLine_s*	nextCommandLine;	// Next command (linked list)
+};
+
+
+//---------------------------------------------------------------------------
+// sequenceEntry_s
+// 
+// Structure representing a single command (usually 1 line) from a
+//	.SEQ file entry.
+//---------------------------------------------------------------------------
+typedef struct sequenceEntry_ sequenceEntry_s;
+struct sequenceEntry_
+{
+	char*					fileName;		// Name of sequence file without .SEQ extension
+	char*					entryName;		// Name of entry label in file
+	sequenceCommandLine_s*	firstCommand;	// Linked list of commands in entry
+	sequenceEntry_s*		nextEntry;		// Next loaded entry
+	qboolean				isGlobal;		// Is entry retained over level transitions?
+};
+
+
+
+//---------------------------------------------------------------------------
+// sentenceEntry_s
+// Structure representing a single sentence of a group from a .SEQ
+// file entry.  Sentences are identical to entries in sentences.txt, but
+// can be unique per level and are loaded/unloaded with the level.
+//---------------------------------------------------------------------------
+typedef struct sentenceEntry_ sentenceEntry_s;
+struct sentenceEntry_
+{
+	char*					data;			// sentence data (ie "We have hostiles" )
+	sentenceEntry_s*		nextEntry;		// Next loaded entry
+	qboolean				isGlobal;		// Is entry retained over level transitions?
+	unsigned int			index;			// this entry's position in the file.
+};
+
+//--------------------------------------------------------------------------
+// sentenceGroupEntry_s
+// Structure representing a group of sentences found in a .SEQ file.
+// A sentence group is defined by all sentences with the same name, ignoring
+// the number at the end of the sentence name.  Groups enable a sentence
+// to be picked at random across a group.
+//--------------------------------------------------------------------------
+typedef struct sentenceGroupEntry_ sentenceGroupEntry_s;
+struct sentenceGroupEntry_
+{
+	char*					groupName;		// name of the group (ie CT_ALERT )
+	unsigned int			numSentences;	// number of sentences in group
+	sentenceEntry_s*		firstSentence;	// head of linked list of sentences in group
+	sentenceGroupEntry_s*	nextEntry;		// next loaded group
+};
+
+//---------------------------------------------------------------------------
+// Function declarations
+//---------------------------------------------------------------------------
+sequenceEntry_s* Sequence_Get( const char* fileName, const char* entryName );
+void Sequence_ParseFile( const char* fileName, qboolean isGlobal );
+void Sequence_OnLevelLoad( const char* mapName );
+sentenceEntry_s* Sequence_PickSentence( const char *groupName, int pickMethod, int *picked );
+void Sequence_Init( void );
+void Sequence_PurgeEntries( qboolean purgeGlobals );
+sentenceEntry_s *Sequence_GetSentenceByIndex( unsigned int index );
+
+#endif // _INCLUDE_SEQUENCE_H_