1HEADmaster

1 files changed, 253 insertions, 0 deletions

diff --git a/game/server/point_camera.cpp b/game/server/point_camera.cpp
new file mode 100644
index 0000000..df4338b
--- /dev/null
+++ b/game/server/point_camera.cpp
@@ -0,0 +1,253 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "igamesystem.h"
+#include "point_camera.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#define CAM_THINK_INTERVAL 0.05
+
+// Spawnflags
+#define SF_CAMERA_START_OFF				0x01
+
+// UNDONE: Share properly with the client code!!!
+#define POINT_CAMERA_MSG_SETACTIVE		1
+
+CEntityClassList<CPointCamera> g_PointCameraList;
+template <> CPointCamera *CEntityClassList<CPointCamera>::m_pClassList = NULL;
+
+CPointCamera* GetPointCameraList()
+{
+	return g_PointCameraList.m_pClassList;
+}
+
+// These are already built into CBaseEntity
+//	DEFINE_KEYFIELD( m_iName, FIELD_STRING, "targetname" ),
+//	DEFINE_KEYFIELD( m_iParent, FIELD_STRING, "parentname" ),
+//	DEFINE_KEYFIELD( m_target, FIELD_STRING, "target" ),
+
+LINK_ENTITY_TO_CLASS( point_camera, CPointCamera );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CPointCamera::~CPointCamera()
+{
+	g_PointCameraList.Remove( this );
+}
+
+CPointCamera::CPointCamera()
+{
+	// Set these to opposites so that it'll be sent the first time around.
+	m_bActive = false;
+	m_bIsOn = false;
+	
+	m_bFogEnable = false;
+
+	g_PointCameraList.Insert( this );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CPointCamera::Spawn( void )
+{
+	BaseClass::Spawn();
+
+	if ( m_spawnflags & SF_CAMERA_START_OFF )
+	{
+		m_bIsOn = false;
+	}
+	else
+	{
+		m_bIsOn = true;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Override ShouldTransmit since we want to be sent even though we don't have a model, etc.
+//			All that matters is if we are in the pvs.
+//-----------------------------------------------------------------------------
+int CPointCamera::UpdateTransmitState()
+{
+	if ( m_bActive )
+	{
+		return SetTransmitState( FL_EDICT_ALWAYS );
+	}
+	else
+	{
+		return SetTransmitState( FL_EDICT_DONTSEND );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CPointCamera::SetActive( bool bActive )
+{
+	// If the mapmaker's told the camera it's off, it enforces inactive state
+	if ( !m_bIsOn )
+	{
+		bActive = false;
+	}
+
+	if ( m_bActive != bActive )
+	{
+		m_bActive = bActive;
+		DispatchUpdateTransmitState();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CPointCamera::InputChangeFOV( inputdata_t &inputdata )
+{
+	// Parse the keyvalue data
+	char parseString[255];
+
+	Q_strncpy(parseString, inputdata.value.String(), sizeof(parseString));
+
+	// Get FOV
+	char *pszParam = strtok(parseString," ");
+	if(pszParam)
+	{
+		m_TargetFOV = atof( pszParam );
+	}
+	else
+	{
+		// Assume no change
+		m_TargetFOV = m_FOV;
+	}
+
+	// Get Time
+	float flChangeTime;
+	pszParam = strtok(NULL," ");
+	if(pszParam)
+	{
+		flChangeTime = atof( pszParam );
+	}
+	else
+	{
+		// Assume 1 second.
+		flChangeTime = 1.0;
+	}
+
+	m_DegreesPerSecond = ( m_TargetFOV - m_FOV ) / flChangeTime;
+
+	SetThink( &CPointCamera::ChangeFOVThink );
+	SetNextThink( gpGlobals->curtime );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CPointCamera::ChangeFOVThink( void )
+{
+	SetNextThink( gpGlobals->curtime + CAM_THINK_INTERVAL );
+
+	float newFOV = m_FOV;
+
+	newFOV += m_DegreesPerSecond * CAM_THINK_INTERVAL;
+
+	if( m_DegreesPerSecond < 0 )
+	{
+		if( newFOV <= m_TargetFOV )
+		{
+			newFOV = m_TargetFOV;
+			SetThink( NULL );
+		}
+	}
+	else
+	{
+		if( newFOV >= m_TargetFOV )
+		{
+			newFOV = m_TargetFOV;
+			SetThink( NULL );
+		}
+	}
+
+	m_FOV = newFOV;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Turn this camera on, and turn all other cameras off
+//-----------------------------------------------------------------------------
+void CPointCamera::InputSetOnAndTurnOthersOff( inputdata_t &inputdata )
+{
+	CBaseEntity *pEntity = NULL;
+	while ((pEntity = gEntList.FindEntityByClassname( pEntity, "point_camera" )) != NULL)
+	{
+		CPointCamera *pCamera = (CPointCamera*)pEntity;
+		pCamera->InputSetOff( inputdata );
+	}
+
+	// Now turn myself on
+	InputSetOn( inputdata );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CPointCamera::InputSetOn( inputdata_t &inputdata )
+{
+	m_bIsOn = true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CPointCamera::InputSetOff( inputdata_t &inputdata )
+{
+	m_bIsOn = false;
+	SetActive( false );
+}
+
+BEGIN_DATADESC( CPointCamera )
+
+	// Save/restore Keyvalue fields
+	DEFINE_KEYFIELD( m_FOV,			FIELD_FLOAT, "FOV" ),
+	DEFINE_KEYFIELD( m_Resolution,	FIELD_FLOAT, "resolution" ),
+	DEFINE_KEYFIELD( m_bFogEnable,	FIELD_BOOLEAN, "fogEnable" ),
+	DEFINE_KEYFIELD( m_FogColor,	FIELD_COLOR32,	"fogColor" ),
+	DEFINE_KEYFIELD( m_flFogStart,	FIELD_FLOAT, "fogStart" ),
+	DEFINE_KEYFIELD( m_flFogEnd,	FIELD_FLOAT, "fogEnd" ),
+	DEFINE_KEYFIELD( m_flFogMaxDensity,	FIELD_FLOAT, "fogMaxDensity" ),
+	DEFINE_KEYFIELD( m_bUseScreenAspectRatio, FIELD_BOOLEAN, "UseScreenAspectRatio" ),
+	DEFINE_FIELD( m_bActive,		FIELD_BOOLEAN ),
+	DEFINE_FIELD( m_bIsOn,			FIELD_BOOLEAN ),
+
+	DEFINE_FIELD( m_TargetFOV,		FIELD_FLOAT ),
+	DEFINE_FIELD( m_DegreesPerSecond, FIELD_FLOAT ),
+	// This is re-set up in the constructor
+	//DEFINE_FIELD( m_pNext, FIELD_CLASSPTR ),
+
+	DEFINE_FUNCTION( ChangeFOVThink ),
+
+	// Input
+	DEFINE_INPUTFUNC( FIELD_STRING, "ChangeFOV", InputChangeFOV ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "SetOnAndTurnOthersOff", InputSetOnAndTurnOthersOff ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "SetOn", InputSetOn ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "SetOff", InputSetOff ),
+
+END_DATADESC()
+
+IMPLEMENT_SERVERCLASS_ST( CPointCamera, DT_PointCamera )
+	SendPropFloat( SENDINFO( m_FOV ), 0, SPROP_NOSCALE ),
+	SendPropFloat( SENDINFO( m_Resolution ), 0, SPROP_NOSCALE ),
+	SendPropInt( SENDINFO( m_bFogEnable ), 1, SPROP_UNSIGNED ),	
+	SendPropInt( SENDINFO_STRUCTELEM( m_FogColor ), 32, SPROP_UNSIGNED ),
+	SendPropFloat( SENDINFO( m_flFogStart ), 0, SPROP_NOSCALE ),	
+	SendPropFloat( SENDINFO( m_flFogEnd ), 0, SPROP_NOSCALE ),	
+	SendPropFloat( SENDINFO( m_flFogMaxDensity ), 0, SPROP_NOSCALE ),	
+	SendPropInt( SENDINFO( m_bActive ), 1, SPROP_UNSIGNED ),
+	SendPropInt( SENDINFO( m_bUseScreenAspectRatio ), 1, SPROP_UNSIGNED ),
+END_SEND_TABLE()