Port spectator changes from HLSDK 2.4.

cl_dll/Android.mk

@@ -70,6 +70,7 @@ SRCS+=./in_camera.cpp
 SRCS+=./input.cpp
 SRCS+=./input_goldsource.cpp
 SRCS+=./input_mouse.cpp
+SRCS+=./interpolation.cpp
 #SRCS+=./inputw32.cpp
 SRCS+=./menu.cpp
 SRCS+=./message.cpp

cl_dll/CMakeLists.txt

@@ -107,6 +107,7 @@ set (CLDLL_SOURCES
 	input_goldsource.cpp
 	input_mouse.cpp
 	input_xash3d.cpp
+	interpolation.cpp
 	menu.cpp
 	message.cpp
 	parsemsg.cpp

cl_dll/compile.bat

@@ -52,6 +52,7 @@ set SOURCES=../dlls/crossbow.cpp ^
 	input_goldsource.cpp ^
 	input_mouse.cpp ^
 	input_xash3d.cpp ^
+	interpolation.cpp ^
 	menu.cpp ^
 	message.cpp ^
 	parsemsg.cpp ^

cl_dll/hud_redraw.cpp

@@ -87,6 +87,11 @@ void CHud::Think( void )
 		// only let players adjust up in fov,  and only if they are not overriden by something else
 		m_iFOV = Q_max( default_fov->value, 90 );  
 	}
+
+	if( gEngfuncs.IsSpectateOnly() )
+	{
+		m_iFOV = gHUD.m_Spectator.GetFOV(); // default_fov->value;
+	}
 }
 
 // Redraw

cl_dll/hud_spectator.cpp

@@ -37,8 +37,6 @@ extern "C" float	vJumpAngles[3];
 extern void V_GetInEyePos( int entity, float * origin, float * angles );
 extern void V_ResetChaseCam();
 extern void V_GetChasePos( int target, float * cl_angles, float * origin, float * angles );
-extern void VectorAngles( const float *forward, float *angles );
-extern "C" void NormalizeAngles( float *angles );
 extern float * GetClientColor( int clientIndex );
 
 extern vec3_t v_origin;		// last view origin
@@ -46,6 +44,37 @@ extern vec3_t v_angles;		// last view angle
 extern vec3_t v_cl_angles;	// last client/mouse angle
 extern vec3_t v_sim_org;	// last sim origin
 
+#if 0
+const char *GetSpectatorLabel( int iMode )
+{
+	switch( iMode )
+	{
+		case OBS_CHASE_LOCKED:
+			return "#OBS_CHASE_LOCKED";
+
+		case OBS_CHASE_FREE:
+			return "#OBS_CHASE_FREE";
+
+		case OBS_ROAMING:
+			return "#OBS_ROAMING";
+
+		case OBS_IN_EYE:
+			return "#OBS_IN_EYE";
+
+		case OBS_MAP_FREE:
+			return "#OBS_MAP_FREE";
+
+		case OBS_MAP_CHASE:
+			return "#OBS_MAP_CHASE";
+
+		case OBS_NONE:
+		default:
+			return "#OBS_NONE";
+	}
+}
+
+#endif
+
 void SpectatorMode( void )
 {
 	if( gEngfuncs.Cmd_Argc() <= 1 )
@@ -152,6 +181,7 @@ int CHudSpectator::Init()
 	m_flNextObserverInput = 0.0f;
 	m_zoomDelta = 0.0f;
 	m_moveDelta = 0.0f;
+	m_FOV = 90.0f;
 	m_chatEnabled = ( gHUD.m_SayText.m_HUD_saytext->value != 0 );
 	iJumpSpectator = 0;
 
@@ -363,6 +393,178 @@ void CHudSpectator::SetSpectatorStartPosition()
 	iJumpSpectator = 1;	// jump anyway
 }
 
+void CHudSpectator::SetCameraView( vec3_t pos, vec3_t angle, float fov )
+{
+	m_FOV = fov;
+	VectorCopy( pos, vJumpOrigin );
+	VectorCopy( angle, vJumpAngles );
+	gEngfuncs.SetViewAngles( vJumpAngles );
+	iJumpSpectator = 1;	// jump anyway
+}
+
+void CHudSpectator::AddWaypoint( float time, vec3_t pos, vec3_t angle, float fov, int flags )
+{
+	if( flags == 0 && time == 0.0f )
+	{
+		// switch instantly to this camera view
+		SetCameraView( pos, angle, fov );
+		return;
+	}
+
+	if( m_NumWayPoints >= MAX_CAM_WAYPOINTS )
+	{
+		gEngfuncs.Con_Printf( "Too many camera waypoints!\n" );
+		return;
+	}
+
+	VectorCopy( angle, m_CamPath[m_NumWayPoints].angle );
+	VectorCopy( pos, m_CamPath[m_NumWayPoints].position );
+	m_CamPath[m_NumWayPoints].flags = flags;
+	m_CamPath[m_NumWayPoints].fov = fov;
+	m_CamPath[m_NumWayPoints].time = time;
+
+	gEngfuncs.Con_DPrintf( "Added waypoint %i\n", m_NumWayPoints );
+
+	m_NumWayPoints++;
+}
+
+void CHudSpectator::SetWayInterpolation( cameraWayPoint_t *prev, cameraWayPoint_t *start, cameraWayPoint_t *end, cameraWayPoint_t *next )
+{
+	m_WayInterpolation.SetViewAngles( start->angle, end->angle );
+
+	m_WayInterpolation.SetFOVs( start->fov, end->fov );
+
+	m_WayInterpolation.SetSmoothing( ( start->flags & DRC_FLAG_SLOWSTART ) != 0,
+		( start->flags & DRC_FLAG_SLOWEND ) != 0 );
+
+	if( prev && next )
+	{
+		m_WayInterpolation.SetWaypoints( &prev->position, start->position, end->position, &next->position );
+	}
+	else if( prev )
+	{
+		m_WayInterpolation.SetWaypoints( &prev->position, start->position, end->position, NULL );
+	}
+	else if( next )
+	{
+		m_WayInterpolation.SetWaypoints( NULL, start->position, end->position, &next->position );
+	}
+	else
+	{
+		m_WayInterpolation.SetWaypoints( NULL, start->position, end->position, NULL );
+	}
+}
+
+bool CHudSpectator::GetDirectorCamera( vec3_t &position, vec3_t &angle )
+{
+	float now = gHUD.m_flTime;
+	float fov = 90.0f;
+
+	if( m_ChaseEntity )
+	{
+		cl_entity_t *ent = gEngfuncs.GetEntityByIndex( m_ChaseEntity );
+
+		if( ent )
+		{
+			vec3_t vt = ent->curstate.origin;
+
+			if( m_ChaseEntity <= gEngfuncs.GetMaxClients())
+			{
+				if( ent->curstate.solid == SOLID_NOT )
+				{
+					vt[2]+= -8 ; // PM_DEAD_VIEWHEIGHT
+				}
+				else if( ent->curstate.usehull == 1 )
+				{
+					vt[2]+= 12; // VEC_DUCK_VIEW;
+				}
+				else
+				{
+					vt[2]+= 28; // DEFAULT_VIEWHEIGHT
+				}
+			}
+
+			vt = vt - position;
+			VectorAngles( vt, angle );
+			angle[0] = -angle[0];
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	if( !m_IsInterpolating )
+		return false;
+
+	if( m_WayPoint < 0 || m_WayPoint >= ( m_NumWayPoints - 1 ))
+		return false;
+
+	cameraWayPoint_t *wp1 = &m_CamPath[m_WayPoint];
+	cameraWayPoint_t *wp2 = &m_CamPath[m_WayPoint+1];
+
+	if( now < wp1->time )
+		return false;
+
+	while( now > wp2->time )
+	{
+		// go to next waypoint, if possible
+		m_WayPoint++;
+
+		if( m_WayPoint >= ( m_NumWayPoints - 1 ))
+		{
+			m_IsInterpolating = false;
+			return false;	// there is no following waypoint
+		}
+
+		wp1 = wp2;
+		wp2 = &m_CamPath[m_WayPoint + 1];
+
+		if( m_WayPoint > 0 )
+		{
+			// we have a predecessor
+
+			if( m_WayPoint < ( m_NumWayPoints - 1 ))
+			{
+				// we have also a successor
+				SetWayInterpolation( &m_CamPath[m_WayPoint - 1], wp1, wp2, &m_CamPath[m_WayPoint + 2] );
+			}
+			else
+			{
+				SetWayInterpolation( &m_CamPath[m_WayPoint - 1], wp1, wp2, NULL );
+			}
+		}
+		else if( m_WayPoint < ( m_NumWayPoints - 1 ))
+		{
+			// we only have a successor
+			SetWayInterpolation( NULL, wp1, wp2, &m_CamPath[m_WayPoint + 2] );
+		}
+		else
+		{
+			// we have only two waypoints
+			SetWayInterpolation( NULL, wp1, wp2, NULL );
+		}
+	}
+
+	if( wp2->time <= wp1->time )
+		return false;
+
+	float fraction = ( now - wp1->time ) / ( wp2->time - wp1->time );
+
+	if( fraction < 0.0f )
+		fraction = 0.0f;
+	else if( fraction > 1.0f )
+		fraction = 1.0f;
+
+	m_WayInterpolation.Interpolate( fraction, position, angle, &fov );
+
+	// gEngfuncs.Con_Printf( "Interpolate time: %.2f, fraction %.2f, point : %.2f,%.2f,%.2f\n", now, fraction, position[0], position[1], position[2] );
+
+	SetCameraView( position, angle, fov );
+
+	return true;
+}
 //-----------------------------------------------------------------------------
 // Purpose: Loads new icons
 //-----------------------------------------------------------------------------
@@ -377,9 +579,21 @@ int CHudSpectator::VidInit()
 	m_hsprCamera		= SPR_Load( "sprites/camera.spr" );
 	m_hCrosshair		= SPR_Load( "sprites/crosshairs.spr" );
 
+	m_lastPrimaryObject = m_lastSecondaryObject = 0;
+	m_flNextObserverInput = 0.0f;
+	m_lastHudMessage = 0;
+	m_iSpectatorNumber = 0;
+	iJumpSpectator	= 0;
+	g_iUser1 = g_iUser2 = 0;
+
 	return 1;
 }
 
+float CHudSpectator::GetFOV( void )
+{
+	return m_FOV;
+}
+
 //-----------------------------------------------------------------------------
 // Purpose: 
 // Input  : flTime - 
@@ -427,8 +641,11 @@ int CHudSpectator::Draw( float flTime )
 		return 1;
 
 	// make sure we have player info
+#if USE_VGUI
+	gViewPort->GetAllPlayersInfo();
+#else
 	gHUD.GetAllPlayersInfo();
-
+#endif
 	// loop through all the players and draw additional infos to their sprites on the map
 	for( int i = 0; i < MAX_PLAYERS; i++ )
 	{
@@ -461,8 +678,10 @@ int CHudSpectator::Draw( float flTime )
 
 void CHudSpectator::DirectorMessage( int iSize, void *pbuf )
 {
-	float value;
+	float f1, f2;
 	char *string;
+	vec3_t	v1, v2;
+	int	i1, i2, i3;
 
 	BEGIN_READ( pbuf, iSize );
 
@@ -479,7 +698,7 @@ void CHudSpectator::DirectorMessage( int iSize, void *pbuf )
 			gHUD.MsgFunc_InitHUD( NULL, 0, NULL );
 			gHUD.MsgFunc_ResetHUD( NULL, 0, NULL );							
 			break;
-		case DRC_CMD_EVENT:
+		case DRC_CMD_EVENT: // old director style message
 			m_lastPrimaryObject = READ_WORD();
 			m_lastSecondaryObject = READ_WORD();
 			m_iObserverFlags = READ_LONG();
@@ -502,19 +721,22 @@ void CHudSpectator::DirectorMessage( int iSize, void *pbuf )
 			}
 			break;
 		case DRC_CMD_CAMERA:
+			v1[0] = READ_COORD();	// position
+			v1[1] = READ_COORD();
+			v1[2] = READ_COORD();	// vJumpOrigin
+
+			v1[0] = READ_COORD();	// view angle
+			v1[1] = READ_COORD();	// vJumpAngles
+			v1[2] = READ_COORD();
+
+			f1    = READ_BYTE();	// fov
+			i1    = READ_WORD();	// target
+
 			if( m_autoDirector->value )
 			{
-				vJumpOrigin[0] = READ_COORD();	// position
-				vJumpOrigin[1] = READ_COORD();
-				vJumpOrigin[2] = READ_COORD();
-
-				vJumpAngles[0] = READ_COORD();	// view angle
-				vJumpAngles[1] = READ_COORD();
-				vJumpAngles[2] = READ_COORD();
-
-				gEngfuncs.SetViewAngles( vJumpAngles );
-
-				iJumpSpectator = 1;
+				SetModes( OBS_ROAMING, -1 );
+				SetCameraView( v1, v2, f1 );
+				m_ChaseEntity = i1;
 			}
 			break;
 		case DRC_CMD_MESSAGE:
@@ -551,13 +773,13 @@ void CHudSpectator::DirectorMessage( int iSize, void *pbuf )
 			break;
 		case DRC_CMD_SOUND:
 			string = READ_STRING();
-			value =  READ_FLOAT();
+			f1 =  READ_FLOAT();
 
-			// gEngfuncs.Con_Printf("DRC_CMD_FX_SOUND: %s %.2f\n", string, value );
-			gEngfuncs.pEventAPI->EV_PlaySound( 0, v_origin, CHAN_BODY, string, value, ATTN_NORM, 0, PITCH_NORM );
+			// gEngfuncs.Con_Printf("DRC_CMD_FX_SOUND: %s %.2f\n", string, f1 );
+			gEngfuncs.pEventAPI->EV_PlaySound( 0, v_origin, CHAN_BODY, string, f1, ATTN_NORM, 0, PITCH_NORM );
 			break;
 		case DRC_CMD_TIMESCALE:
-			value = READ_FLOAT();
+			f1 = READ_FLOAT();
 			break;
 		case DRC_CMD_STATUS:
 			READ_LONG(); // total number of spectator slots
@@ -574,13 +796,71 @@ void CHudSpectator::DirectorMessage( int iSize, void *pbuf )
 			gViewPort->UpdateSpectatorPanel();
 #endif
 			break;
-		case DRC_CMD_FADE:
-			break;
 		case DRC_CMD_STUFFTEXT:
 			gEngfuncs.pfnFilteredClientCmd( READ_STRING() );
 			break;
+		case DRC_CMD_CAMPATH:
+			v1[0] = READ_COORD();	// position
+			v1[1] = READ_COORD();
+			v1[2] = READ_COORD();	// vJumpOrigin
+
+			v2[0] = READ_COORD();	// view angle
+			v2[1] = READ_COORD();   // vJumpAngles
+			v2[2] = READ_COORD();
+			f1    = READ_BYTE();	// FOV
+			i1    = READ_BYTE();	// flags
+
+			if( m_autoDirector->value )
+			{
+				SetModes( OBS_ROAMING, -1 );
+				SetCameraView( v1, v2, f1 );
+			}
+			break;
+		case DRC_CMD_WAYPOINTS:
+			i1 = READ_BYTE();
+			m_NumWayPoints = 0;
+			m_WayPoint = 0;
+			for( i2 = 0; i2 < i1; i2++ )
+			{
+				f1 = gHUD.m_flTime + (float)( READ_SHORT()) / 100.0f;
+
+				v1[0] = READ_COORD();	// position
+				v1[1] = READ_COORD();
+				v1[2] = READ_COORD();	// vJumpOrigin
+
+				v2[0] = READ_COORD();	// view angle
+				v2[1] = READ_COORD();   // vJumpAngles
+				v2[2] = READ_COORD();
+				f2    = READ_BYTE();	// fov
+				i3    = READ_BYTE();	// flags
+
+				AddWaypoint( f1, v1, v2, f2, i3 );
+			}
+
+			// gEngfuncs.Con_Printf( "CHudSpectator::DirectorMessage: waypoints %i.\n", m_NumWayPoints );
+			if( !m_autoDirector->value )
+			{
+				// ignore waypoints
+				m_NumWayPoints = 0;
+				break;
+			}
+
+			SetModes( OBS_ROAMING, -1 );
+
+			m_IsInterpolating = true;
+
+			if( m_NumWayPoints > 2 )
+			{
+				SetWayInterpolation( NULL, &m_CamPath[0], &m_CamPath[1], &m_CamPath[2] );
+			}
+			else
+			{
+				SetWayInterpolation( NULL, &m_CamPath[0], &m_CamPath[1], NULL );
+			}
+			break;
 		default:
 			gEngfuncs.Con_DPrintf( "CHudSpectator::DirectorMessage: unknown command %i.\n", cmd );
+			break;
 	}
 }
 
@@ -595,9 +875,10 @@ void CHudSpectator::FindNextPlayer( bool bReverse )
 	// if we are NOT in HLTV mode, spectator targets are set on server
 	if( !gEngfuncs.IsSpectateOnly() )
 	{
-		char cmdstring[32];
+		char cmdstring[256];
 		// forward command to server
-		sprintf( cmdstring, "follownext %i", bReverse ? 1 : 0 );
+		_snprintf( cmdstring, sizeof( cmdstring ) - 1,"follownext %i", bReverse ? 1 : 0 );
+		cmdstring[sizeof( cmdstring ) - 1] = '\0';
 		gEngfuncs.pfnServerCmd( cmdstring );
 		return;
 	}
@@ -614,8 +895,11 @@ void CHudSpectator::FindNextPlayer( bool bReverse )
 	int iDir = bReverse ? -1 : 1; 
 
 	// make sure we have player info
+#if USE_VGUI
+	gViewPort->GetAllPlayersInfo();
+#else
 	gHUD.GetAllPlayersInfo();
-
+#endif
 	do
 	{
 		iCurrent += iDir;
@@ -664,9 +948,10 @@ void CHudSpectator::FindPlayer(const char *name)
 	// if we are NOT in HLTV mode, spectator targets are set on server
 	if ( !gEngfuncs.IsSpectateOnly() )
 	{
-		char cmdstring[32];
+		char cmdstring[256];
 		// forward command to server
-		sprintf(cmdstring,"follow %s",name);
+		_snprintf( cmdstring, sizeof( cmdstring ) - 1, "follow %s", name );
+		cmdstring[sizeof( cmdstring ) - 1] = '\0';
 		gEngfuncs.pfnServerCmd( cmdstring );
 		return;
 	}
@@ -674,8 +959,11 @@ void CHudSpectator::FindPlayer(const char *name)
 	g_iUser2 = 0;
 
 	// make sure we have player info
+#if USE_VGUI
+	gViewPort->GetAllPlayersInfo();
+#else
 	gHUD.GetAllPlayersInfo();
-
+#endif
 	cl_entity_t * pEnt = NULL;
 
 	for (int i = 1; i < MAX_PLAYERS; i++ )
@@ -847,12 +1135,20 @@ void CHudSpectator::SetModes( int iNewMainMode, int iNewInsetMode )
 		return;
 	}
 
-	// main modes ettings will override inset window settings
+	m_IsInterpolating = false;
+	m_ChaseEntity = 0;
+
+	// main modes settings will override inset window settings
 	if( iNewMainMode != g_iUser1 )
 	{
 		// if we are NOT in HLTV mode, main spectator mode is set on server
 		if( !gEngfuncs.IsSpectateOnly() )
 		{
+			char cmdstring[256];
+			// forward command to server
+			_snprintf( cmdstring, sizeof( cmdstring ) - 1,"specmode %i", iNewMainMode );
+			cmdstring[sizeof( cmdstring ) - 1] = '\0';
+			gEngfuncs.pfnServerCmd( cmdstring );
 			return;
 		}
 
@@ -1548,8 +1844,9 @@ void CHudSpectator::CheckSettings()
 		if( gEngfuncs.IsSpectateOnly() )
 		{
 			// tell proxy our new chat mode
-			char chatcmd[32];
-			sprintf( chatcmd, "ignoremsg %i", m_chatEnabled ? 0 : 1 );
+			char chatcmd[256];
+			_snprintf( chatcmd, sizeof( chatcmd ) - 1, "ignoremsg %i", m_chatEnabled ? 0 : 1 );
+			chatcmd[sizeof( chatcmd ) - 1] = '\0';
 			gEngfuncs.pfnServerCmd( chatcmd );
 		}
 	}
@@ -1626,6 +1923,12 @@ void CHudSpectator::Reset()
 
 	memset( &m_OverviewEntities, 0, sizeof(m_OverviewEntities) );
 
+	m_FOV = 90.0f;
+
+	m_IsInterpolating = false;
+
+	m_ChaseEntity = 0;
+
 	SetSpectatorStartPosition();
 }
 
@@ -1648,7 +1951,7 @@ void CHudSpectator::InitHUDData()
 
 	Reset();
 
-	SetModes( OBS_CHASE_FREE, INSET_OFF );
+	SetModes( OBS_CHASE_LOCKED, INSET_OFF );
 
 	g_iUser2 = 0; // fake not target until first camera command
 

cl_dll/hud_spectator.h

@@ -10,6 +10,7 @@
 #define HUD_SPECTATOR_H
 
 #include "cl_entity.h"
+#include "interpolation.h"
 
 #define INSET_OFF			0
 #define	INSET_CHASE_FREE		1
@@ -22,6 +23,9 @@
 #define OVERVIEW_TILE_SIZE		128		// don't change this
 #define OVERVIEW_MAX_LAYERS		1
 
+extern void VectorAngles( const float *forward, float *angles );
+extern "C" void NormalizeAngles( float *angles );
+
 //-----------------------------------------------------------------------------
 // Purpose: Handles the drawing of the spectator stuff (camera & top-down map and all the things on it )
 //-----------------------------------------------------------------------------
@@ -49,7 +53,17 @@ typedef struct overviewEntity_s
 	double					killTime;
 } overviewEntity_t;
 
+typedef struct cameraWayPoint_s
+{
+	float	time;
+	vec3_t	position;
+	vec3_t	angle;
+	float	fov;
+	int	flags;
+} cameraWayPoint_t;
+
 #define	 MAX_OVERVIEW_ENTITIES		128
+#define	 MAX_CAM_WAYPOINTS		32
 
 class CHudSpectator : public CHudBase
 {
@@ -81,6 +95,13 @@ public:
 
 	int Draw( float flTime );
 
+	void	AddWaypoint( float time, vec3_t pos, vec3_t angle, float fov, int flags );
+	void	SetCameraView( vec3_t pos, vec3_t angle, float fov );
+	float	GetFOV();
+	bool	GetDirectorCamera( vec3_t &position, vec3_t &angle );
+	void	SetWayInterpolation( cameraWayPoint_t *prev, cameraWayPoint_t *start, cameraWayPoint_t *end, cameraWayPoint_t *next );
+
+
 	int m_iDrawCycle;
 	client_textmessage_t	m_HUDMessages[MAX_SPEC_HUD_MESSAGES];
 	char			m_HUDMessageText[MAX_SPEC_HUD_MESSAGES][128];
@@ -100,8 +121,13 @@ public:
 
 	qboolean			m_chatEnabled;
 
+	qboolean			m_IsInterpolating;
+	int				m_ChaseEntity;	// if != 0, follow this entity with viewangles
+	int				m_WayPoint;	// current waypoint 1
+	int				m_NumWayPoints;	// current number of waypoints
 	vec3_t				m_cameraOrigin;	// a help camera
 	vec3_t				m_cameraAngles;	// and it's angles
+	CInterpolation			m_WayInterpolation;
 
 private:
 	vec3_t		m_vPlayerPos[MAX_PLAYERS];
@@ -119,9 +145,11 @@ private:
 
 	struct model_s	*m_MapSprite;	// each layer image is saved in one sprite, where each tile is a sprite frame
 	float		m_flNextObserverInput;
+	float		m_FOV;
 	float		m_zoomDelta;
 	float		m_moveDelta;
 	int		m_lastPrimaryObject;
 	int		m_lastSecondaryObject;
+	cameraWayPoint_t	m_CamPath[MAX_CAM_WAYPOINTS];
 };
 #endif // SPECTATOR_H

cl_dll/interpolation.cpp

@@ -0,0 +1,217 @@
+/************ (C) Copyright 2003 Valve, L.L.C. All rights reserved. ***********
+**
+** The copyright to the contents herein is the property of Valve, L.L.C.
+** The contents may be used and/or copied only with the written permission of
+** Valve, L.L.C., or in accordance with the terms and conditions stipulated in
+** the agreement/contract under which the contents have been supplied.
+**
+*******************************************************************************
+**
+** Contents:
+**
+**	      interpolation.cpp: implementation of the interpolation class
+**
+******************************************************************************/
+
+#include "hud.h"
+#include "cl_util.h"
+#include "interpolation.h"
+
+// = determinant of matrix a,b,c
+#define Determinant( a, b, c )		( (a)[2] * ( (b)[0]*(c)[1] - (b)[1]*(c)[0] ) + \
+								(a)[1] * ( (b)[2]*(c)[0] - (b)[0]*(c)[2] ) + \
+								(a)[0] * ( (b)[1]*(c)[2] - (b)[2]*(c)[1] ) )
+
+// solve 3 vector linear system of equations v0 = x*v1 + y*v2 + z*v3 (if possible)
+bool SolveLSE( vec3_t v0, vec3_t v1, vec3_t v2, vec3_t v3, float * x, float * y, float * z )
+{
+	float d = Determinant( v1, v2, v3 );
+
+	if( d == 0.0f )
+		return false;
+
+	if( x )
+		*x = Determinant( v0, v2, v3 ) / d;
+
+	if( y )
+		*y= Determinant( v1, v0, v3 ) / d;
+
+	if( z )
+		*z= Determinant( v1, v2, v0 ) / d;
+      
+	return true;
+}
+
+// p = closest point between vector lines a1+x*m1 and a2+x*m2
+bool GetPointBetweenLines( vec3_t &p, vec3_t a1, vec3_t m1, vec3_t a2, vec3_t m2 )
+{
+	float x, z;
+
+	vec3_t t1 = CrossProduct( m1, m2 );
+	vec3_t t2 = a2 - a1;
+
+	if( !SolveLSE( t2, m1, t1, m2, &x , NULL, &z ) )
+		return false;
+
+	t1 = a1 + x * m1;
+	t2 = a2 + ( -z ) * m2;
+
+	p = ( t1 + t2 ) / 2.0f;
+
+	return true;
+}
+
+// Bernstein Poynom B(u) with n = 2, i = 0
+#define BernsteinPolynom20(u)	( ( 1.0f - u ) * ( 1.0f - u ))
+#define BernsteinPolynom21(u)	( 2.0f * u * ( 1.0f - u ) )
+#define BernsteinPolynom22(u)	( u * u )
+
+CInterpolation::CInterpolation()
+{
+}
+
+CInterpolation::~CInterpolation()
+{
+	m_SmoothStart = m_SmoothEnd = false;
+}
+
+void CInterpolation::SetViewAngles( vec3_t start, vec3_t end )
+{
+	m_StartAngle = start;
+	m_EndAngle  = end;
+	NormalizeAngles( m_StartAngle );
+	NormalizeAngles( m_EndAngle );
+}
+
+void CInterpolation::SetFOVs( float start, float end )
+{
+	m_StartFov = start;
+	m_EndFov = end;
+}
+
+void CInterpolation::SetWaypoints( vec3_t *prev, vec3_t start, vec3_t end, vec3_t *next )
+{
+	m_StartPoint = start;
+	m_EndPoint = end;
+	
+
+	vec3_t a, b, c, d;
+
+	if( !prev && !next )
+	{
+		// no direction given, straight linear interpolation
+		m_Center = ( m_StartPoint + m_EndPoint ) / 2.0f;
+	}
+	else if( !prev )
+	{
+		a = start - end; 
+		float dist = a.Length() / 2.0f; 
+		a = a.Normalize();
+		b = *next - end;
+		b = b.Normalize();
+		c = a - b;
+		c = c.Normalize();
+		m_Center = end + c * dist;
+	}
+	else if( !next )
+	{
+		a = *prev - start;
+		a = a.Normalize();
+		b = end - start;
+		float dist = b.Length() / 2.0f;
+		b = b.Normalize();
+		c = b - a;
+		c = c.Normalize();
+		m_Center = start + c * dist;
+	}
+	else
+	{
+		// we have a previous and a next point, great!
+		a = *prev - start;
+		a = a.Normalize();
+		b = end - start;
+		b = b.Normalize();
+		c = b - a;
+
+		a = start - end;
+		a = a.Normalize();
+		b = *next - end;
+		b = b.Normalize();
+		d = a - b;
+
+		GetPointBetweenLines( m_Center, start, c, end, d );
+	}
+}
+
+void CInterpolation::Interpolate( float t, vec3_t &point, vec3_t &angle, float *fov )
+{
+	if( m_SmoothStart && m_SmoothEnd )
+	{
+		t = ( 1.0f - t ) * ( t * t ) + t * ( 1.0f - ( ( t - 1.0f ) * ( t - 1.0f )));
+	}
+	else if( m_SmoothStart )
+	{
+		t = t * t;
+	}
+	else if( m_SmoothEnd )
+	{
+		t = t - 1.0f;
+		t = -( t * t ) + 1;
+	}
+
+	if( point )
+	{
+		BezierInterpolatePoint( t, point );
+	}
+
+	if( angle )
+	{
+		InterpolateAngle( t, angle );
+	}
+
+	if( fov )
+	{
+		*fov = m_StartFov + ( t * ( m_EndFov - m_StartFov ));
+	}
+}
+
+void CInterpolation::BezierInterpolatePoint( float t, vec3_t &point )
+{
+	point = m_StartPoint * BernsteinPolynom20( t );
+	point = point + m_Center * BernsteinPolynom21( t );
+	point = point + m_EndPoint * BernsteinPolynom22( t );
+}
+
+void CInterpolation::SetSmoothing( bool start, bool end )
+{
+	m_SmoothStart = start;
+	m_SmoothEnd = end;
+}
+
+void CInterpolation::InterpolateAngle( float t, vec3_t &angle )
+{
+	int i;
+	float ang1, ang2;
+	float d;
+
+	for( i = 0; i < 3; i++ )
+	{
+		ang1 = m_StartAngle[i];
+		ang2 = m_EndAngle[i];
+
+		d = ang2 - ang1;
+		if ( d > 180 )
+		{
+			d -= 360;
+		}
+		else if ( d < -180 )
+		{	
+			d += 360;
+		}
+
+		angle[i] = ang1 + d * t;
+	}
+
+	NormalizeAngles( angle );
+}
+

cl_dll/interpolation.h

@@ -0,0 +1,52 @@
+/************ (C) Copyright 2003 Valve, L.L.C. All rights reserved. ***********
+**
+** The copyright to the contents herein is the property of Valve, L.L.C.
+** The contents may be used and/or copied only with the written permission of
+** Valve, L.L.C., or in accordance with the terms and conditions stipulated in
+** the agreement/contract under which the contents have been supplied.
+**
+*******************************************************************************
+**
+** Contents:
+**
+**	      interpolation.h: Bezier inpolation classes
+**
+******************************************************************************/
+
+#pragma once
+#if !defined(INTERPOLATION_H)
+#define INTERPOLATION_H
+
+
+//  interpolation class
+class CInterpolation  
+{
+public:
+	CInterpolation();
+	virtual ~CInterpolation();
+
+	void SetWaypoints( vec3_t *prev, vec3_t start, vec3_t end, vec3_t *next );
+	void SetViewAngles( vec3_t start, vec3_t end );
+	void SetFOVs( float start, float end );
+	void SetSmoothing( bool start, bool end );
+
+	// get interpolated point 0 =< t =< 1, 0 = start, 1 = end
+	void Interpolate( float t, vec3_t &point, vec3_t &angle, float * fov );
+
+protected:
+	void BezierInterpolatePoint( float t, vec3_t &point );
+	void InterpolateAngle( float t, vec3_t &angle );
+
+	vec3_t	m_StartPoint;
+	vec3_t	m_EndPoint;
+	vec3_t	m_StartAngle;
+	vec3_t	m_EndAngle;
+	vec3_t	m_Center;
+	float	m_StartFov;
+	float	m_EndFov;
+		
+	bool	m_SmoothStart;
+	bool	m_SmoothEnd;
+};
+
+#endif // INTERPOLATION_H

cl_dll/view.cpp

@@ -1462,6 +1462,8 @@ void V_CalcSpectatorRefdef( struct ref_params_s * pparams )
 			case OBS_ROAMING:
 				VectorCopy( v_cl_angles, v_angles );
 				VectorCopy( v_sim_org, v_origin );
+				// override values if director is active
+				gHUD.m_Spectator.GetDirectorCamera(v_origin, v_angles);
 				break;
 			case OBS_IN_EYE:
 				V_CalcNormalRefdef( pparams );

common/hltv.h

@@ -37,11 +37,14 @@
 #define DRC_CMD_SOUND		7	// plays a particular sound
 #define DRC_CMD_STATUS		8	// status info about broadcast
 #define DRC_CMD_BANNER		9	// banner file name for HLTV gui
-#define DRC_CMD_FADE		10	// send screen fade command
-#define DRC_CMD_SHAKE		11	// send screen shake command
-#define DRC_CMD_STUFFTEXT		12	// like the normal svc_stufftext but as director command
+#define DRC_CMD_STUFFTEXT	10	// like the normal svc_stufftext but as director command
+#define DRC_CMD_CHASE		11	// chase a certain player
+#define DRC_CMD_INEYE		12	// view player through own eyes
+#define DRC_CMD_MAP		13      // show overview map
+#define DRC_CMD_CAMPATH		14      // define camera waypoint
+#define DRC_CMD_WAYPOINTS	15      // start moving camera, inetranl message
 
-#define DRC_CMD_LAST		12
+#define DRC_CMD_LAST		15
 
 // HLTV_EVENT event flags
 #define DRC_FLAG_PRIO_MASK		0x0F	// priorities between 0 and 15 (15 most important)
@@ -53,7 +56,9 @@
 #define DRC_FLAG_FINAL		(1<<9)	// is a final scene
 #define DRC_FLAG_NO_RANDOM		(1<<10)	// don't randomize event data
 
-#define MAX_DIRECTOR_CMD_PARAMETERS	4
-#define MAX_DIRECTOR_CMD_STRING	128
+// DRC_CMD_WAYPOINT flags
+#define DRC_FLAG_STARTPATH		1	// end with speed 0.0
+#define DRC_FLAG_SLOWSTART		2	// start with speed 0.0
+#define DRC_FLAG_SLOWEND		4	// end with speed 0.0
 
 #endif//HLTV_H

contrib/iZarif/premake5.lua

@@ -270,6 +270,7 @@ files{"cl_dll/hl/hl_baseentity.cpp",
 "cl_dll/input_goldsource.cpp",
 "cl_dll/input_mouse.cpp",
 "cl_dll/input_xash3d.cpp",
+"cl_dll/interpolation.cpp",
 "cl_dll/menu.cpp",
 "cl_dll/message.cpp",
 "cl_dll/overview.cpp",