First version of the SOurce SDK 2013

1 files changed, 540 insertions, 0 deletions

diff --git a/mp/src/game/client/flashlighteffect.cpp b/mp/src/game/client/flashlighteffect.cpp
new file mode 100644
index 00000000..671cb9af
--- /dev/null
+++ b/mp/src/game/client/flashlighteffect.cpp
@@ -0,0 +1,540 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//

+//

+// Purpose: 

+//

+//===========================================================================//

+

+#include "cbase.h"

+#include "flashlighteffect.h"

+#include "dlight.h"

+#include "iefx.h"

+#include "iviewrender.h"

+#include "view.h"

+#include "engine/ivdebugoverlay.h"

+#include "tier0/vprof.h"

+#include "tier1/KeyValues.h"

+#include "toolframework_client.h"

+

+#ifdef HL2_CLIENT_DLL

+#include "c_basehlplayer.h"

+#endif // HL2_CLIENT_DLL

+

+#if defined( _X360 )

+extern ConVar r_flashlightdepthres;

+#else

+extern ConVar r_flashlightdepthres;

+#endif

+

+// memdbgon must be the last include file in a .cpp file!!!

+#include "tier0/memdbgon.h"

+

+extern ConVar r_flashlightdepthtexture;

+

+void r_newflashlightCallback_f( IConVar *pConVar, const char *pOldString, float flOldValue );

+

+static ConVar r_newflashlight( "r_newflashlight", "1", FCVAR_CHEAT, "", r_newflashlightCallback_f );

+static ConVar r_swingflashlight( "r_swingflashlight", "1", FCVAR_CHEAT );

+static ConVar r_flashlightlockposition( "r_flashlightlockposition", "0", FCVAR_CHEAT );

+static ConVar r_flashlightfov( "r_flashlightfov", "45.0", FCVAR_CHEAT );

+static ConVar r_flashlightoffsetx( "r_flashlightoffsetx", "10.0", FCVAR_CHEAT );

+static ConVar r_flashlightoffsety( "r_flashlightoffsety", "-20.0", FCVAR_CHEAT );

+static ConVar r_flashlightoffsetz( "r_flashlightoffsetz", "24.0", FCVAR_CHEAT );

+static ConVar r_flashlightnear( "r_flashlightnear", "4.0", FCVAR_CHEAT );

+static ConVar r_flashlightfar( "r_flashlightfar", "750.0", FCVAR_CHEAT );

+static ConVar r_flashlightconstant( "r_flashlightconstant", "0.0", FCVAR_CHEAT );

+static ConVar r_flashlightlinear( "r_flashlightlinear", "100.0", FCVAR_CHEAT );

+static ConVar r_flashlightquadratic( "r_flashlightquadratic", "0.0", FCVAR_CHEAT );

+static ConVar r_flashlightvisualizetrace( "r_flashlightvisualizetrace", "0", FCVAR_CHEAT );

+static ConVar r_flashlightambient( "r_flashlightambient", "0.0", FCVAR_CHEAT );

+static ConVar r_flashlightshadowatten( "r_flashlightshadowatten", "0.35", FCVAR_CHEAT );

+static ConVar r_flashlightladderdist( "r_flashlightladderdist", "40.0", FCVAR_CHEAT );

+static ConVar mat_slopescaledepthbias_shadowmap( "mat_slopescaledepthbias_shadowmap", "16", FCVAR_CHEAT );

+static ConVar mat_depthbias_shadowmap(	"mat_depthbias_shadowmap", "0.0005", FCVAR_CHEAT  );

+

+

+void r_newflashlightCallback_f( IConVar *pConVar, const char *pOldString, float flOldValue )

+{

+	if( engine->GetDXSupportLevel() < 70 )

+	{

+		r_newflashlight.SetValue( 0 );

+	}	

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+// Input  : nEntIndex - The m_nEntIndex of the client entity that is creating us.

+//			vecPos - The position of the light emitter.

+//			vecDir - The direction of the light emission.

+//-----------------------------------------------------------------------------

+CFlashlightEffect::CFlashlightEffect(int nEntIndex)

+{

+	m_FlashlightHandle = CLIENTSHADOW_INVALID_HANDLE;

+	m_nEntIndex = nEntIndex;

+

+	m_bIsOn = false;

+	m_pPointLight = NULL;

+	if( engine->GetDXSupportLevel() < 70 )

+	{

+		r_newflashlight.SetValue( 0 );

+	}	

+

+	if ( g_pMaterialSystemHardwareConfig->SupportsBorderColor() )

+	{

+		m_FlashlightTexture.Init( "effects/flashlight_border", TEXTURE_GROUP_OTHER, true );

+	}

+	else

+	{

+		m_FlashlightTexture.Init( "effects/flashlight001", TEXTURE_GROUP_OTHER, true );

+	}

+}

+

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+CFlashlightEffect::~CFlashlightEffect()

+{

+	LightOff();

+}

+

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CFlashlightEffect::TurnOn()

+{

+	m_bIsOn = true;

+	m_flDistMod = 1.0f;

+}

+

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CFlashlightEffect::TurnOff()

+{

+	if (m_bIsOn)

+	{

+		m_bIsOn = false;

+		LightOff();

+	}

+}

+

+// Custom trace filter that skips the player and the view model.

+// If we don't do this, we'll end up having the light right in front of us all

+// the time.

+class CTraceFilterSkipPlayerAndViewModel : public CTraceFilter

+{

+public:

+	virtual bool ShouldHitEntity( IHandleEntity *pServerEntity, int contentsMask )

+	{

+		// Test against the vehicle too?

+		// FLASHLIGHTFIXME: how do you know that you are actually inside of the vehicle?

+		C_BaseEntity *pEntity = EntityFromEntityHandle( pServerEntity );

+		if ( !pEntity )

+			return true;

+

+		if ( ( dynamic_cast<C_BaseViewModel *>( pEntity ) != NULL ) ||

+			 ( dynamic_cast<C_BasePlayer *>( pEntity ) != NULL ) ||

+			 pEntity->GetCollisionGroup() == COLLISION_GROUP_DEBRIS ||

+			 pEntity->GetCollisionGroup() == COLLISION_GROUP_INTERACTIVE_DEBRIS )

+		{

+			return false;

+		}

+

+		return true;

+	}

+};

+

+//-----------------------------------------------------------------------------

+// Purpose: Do the headlight

+//-----------------------------------------------------------------------------

+void CFlashlightEffect::UpdateLightNew(const Vector &vecPos, const Vector &vecForward, const Vector &vecRight, const Vector &vecUp )

+{

+	VPROF_BUDGET( "CFlashlightEffect::UpdateLightNew", VPROF_BUDGETGROUP_SHADOW_DEPTH_TEXTURING );

+

+	FlashlightState_t state;

+

+	// We will lock some of the flashlight params if player is on a ladder, to prevent oscillations due to the trace-rays

+	bool bPlayerOnLadder = ( C_BasePlayer::GetLocalPlayer()->GetMoveType() == MOVETYPE_LADDER );

+

+	const float flEpsilon = 0.1f;			// Offset flashlight position along vecUp

+	const float flDistCutoff = 128.0f;

+	const float flDistDrag = 0.2;

+

+	CTraceFilterSkipPlayerAndViewModel traceFilter;

+	float flOffsetY = r_flashlightoffsety.GetFloat();

+

+	if( r_swingflashlight.GetBool() )

+	{

+		// This projects the view direction backwards, attempting to raise the vertical

+		// offset of the flashlight, but only when the player is looking down.

+		Vector vecSwingLight = vecPos + vecForward * -12.0f;

+		if( vecSwingLight.z > vecPos.z )

+		{

+			flOffsetY += (vecSwingLight.z - vecPos.z);

+		}

+	}

+

+	Vector vOrigin = vecPos + flOffsetY * vecUp;

+

+	// Not on ladder...trace a hull

+	if ( !bPlayerOnLadder ) 

+	{

+		trace_t pmOriginTrace;

+		UTIL_TraceHull( vecPos, vOrigin, Vector(-4, -4, -4), Vector(4, 4, 4), MASK_SOLID & ~(CONTENTS_HITBOX), &traceFilter, &pmOriginTrace );

+

+		if ( pmOriginTrace.DidHit() )

+		{

+			vOrigin = vecPos;

+		}

+	}

+	else // on ladder...skip the above hull trace

+	{

+		vOrigin = vecPos;

+	}

+

+	// Now do a trace along the flashlight direction to ensure there is nothing within range to pull back from

+	int iMask = MASK_OPAQUE_AND_NPCS;

+	iMask &= ~CONTENTS_HITBOX;

+	iMask |= CONTENTS_WINDOW;

+

+	Vector vTarget = vecPos + vecForward * r_flashlightfar.GetFloat();

+

+	// Work with these local copies of the basis for the rest of the function

+	Vector vDir   = vTarget - vOrigin;

+	Vector vRight = vecRight;

+	Vector vUp    = vecUp;

+	VectorNormalize( vDir   );

+	VectorNormalize( vRight );

+	VectorNormalize( vUp    );

+

+	// Orthonormalize the basis, since the flashlight texture projection will require this later...

+	vUp -= DotProduct( vDir, vUp ) * vDir;

+	VectorNormalize( vUp );

+	vRight -= DotProduct( vDir, vRight ) * vDir;

+	VectorNormalize( vRight );

+	vRight -= DotProduct( vUp, vRight ) * vUp;

+	VectorNormalize( vRight );

+

+	AssertFloatEquals( DotProduct( vDir, vRight ), 0.0f, 1e-3 );

+	AssertFloatEquals( DotProduct( vDir, vUp    ), 0.0f, 1e-3 );

+	AssertFloatEquals( DotProduct( vRight, vUp  ), 0.0f, 1e-3 );

+

+	trace_t pmDirectionTrace;

+	UTIL_TraceHull( vOrigin, vTarget, Vector( -4, -4, -4 ), Vector( 4, 4, 4 ), iMask, &traceFilter, &pmDirectionTrace );

+

+	if ( r_flashlightvisualizetrace.GetBool() == true )

+	{

+		debugoverlay->AddBoxOverlay( pmDirectionTrace.endpos, Vector( -4, -4, -4 ), Vector( 4, 4, 4 ), QAngle( 0, 0, 0 ), 0, 0, 255, 16, 0 );

+		debugoverlay->AddLineOverlay( vOrigin, pmDirectionTrace.endpos, 255, 0, 0, false, 0 );

+	}

+

+	float flDist = (pmDirectionTrace.endpos - vOrigin).Length();

+	if ( flDist < flDistCutoff )

+	{

+		// We have an intersection with our cutoff range

+		// Determine how far to pull back, then trace to see if we are clear

+		float flPullBackDist = bPlayerOnLadder ? r_flashlightladderdist.GetFloat() : flDistCutoff - flDist;	// Fixed pull-back distance if on ladder

+		m_flDistMod = Lerp( flDistDrag, m_flDistMod, flPullBackDist );

+		

+		if ( !bPlayerOnLadder )

+		{

+			trace_t pmBackTrace;

+			UTIL_TraceHull( vOrigin, vOrigin - vDir*(flPullBackDist-flEpsilon), Vector( -4, -4, -4 ), Vector( 4, 4, 4 ), iMask, &traceFilter, &pmBackTrace );

+			if( pmBackTrace.DidHit() )

+			{

+				// We have an intersection behind us as well, so limit our m_flDistMod

+				float flMaxDist = (pmBackTrace.endpos - vOrigin).Length() - flEpsilon;

+				if( m_flDistMod > flMaxDist )

+					m_flDistMod = flMaxDist;

+			}

+		}

+	}

+	else

+	{

+		m_flDistMod = Lerp( flDistDrag, m_flDistMod, 0.0f );

+	}

+	vOrigin = vOrigin - vDir * m_flDistMod;

+

+	state.m_vecLightOrigin = vOrigin;

+

+	BasisToQuaternion( vDir, vRight, vUp, state.m_quatOrientation );

+

+	state.m_fQuadraticAtten = r_flashlightquadratic.GetFloat();

+

+	bool bFlicker = false;

+

+#ifdef HL2_EPISODIC

+	C_BaseHLPlayer *pPlayer = (C_BaseHLPlayer *)C_BasePlayer::GetLocalPlayer();

+	if ( pPlayer )

+	{

+		float flBatteryPower = ( pPlayer->m_HL2Local.m_flFlashBattery >= 0.0f ) ? ( pPlayer->m_HL2Local.m_flFlashBattery ) : pPlayer->m_HL2Local.m_flSuitPower;

+		if ( flBatteryPower <= 10.0f )

+		{

+			float flScale;

+			if ( flBatteryPower >= 0.0f )

+			{	

+				flScale = ( flBatteryPower <= 4.5f ) ? SimpleSplineRemapVal( flBatteryPower, 4.5f, 0.0f, 1.0f, 0.0f ) : 1.0f;

+			}

+			else

+			{

+				flScale = SimpleSplineRemapVal( flBatteryPower, 10.0f, 4.8f, 1.0f, 0.0f );

+			}

+			

+			flScale = clamp( flScale, 0.0f, 1.0f );

+

+			if ( flScale < 0.35f )

+			{

+				float flFlicker = cosf( gpGlobals->curtime * 6.0f ) * sinf( gpGlobals->curtime * 15.0f );

+				

+				if ( flFlicker > 0.25f && flFlicker < 0.75f )

+				{

+					// On

+					state.m_fLinearAtten = r_flashlightlinear.GetFloat() * flScale;

+				}

+				else

+				{

+					// Off

+					state.m_fLinearAtten = 0.0f;

+				}

+			}

+			else

+			{

+				float flNoise = cosf( gpGlobals->curtime * 7.0f ) * sinf( gpGlobals->curtime * 25.0f );

+				state.m_fLinearAtten = r_flashlightlinear.GetFloat() * flScale + 1.5f * flNoise;

+			}

+

+			state.m_fHorizontalFOVDegrees = r_flashlightfov.GetFloat() - ( 16.0f * (1.0f-flScale) );

+			state.m_fVerticalFOVDegrees = r_flashlightfov.GetFloat() - ( 16.0f * (1.0f-flScale) );

+			

+			bFlicker = true;

+		}

+	}

+#endif // HL2_EPISODIC

+

+	if ( bFlicker == false )

+	{

+		state.m_fLinearAtten = r_flashlightlinear.GetFloat();

+		state.m_fHorizontalFOVDegrees = r_flashlightfov.GetFloat();

+		state.m_fVerticalFOVDegrees = r_flashlightfov.GetFloat();

+	}

+

+	state.m_fConstantAtten = r_flashlightconstant.GetFloat();

+	state.m_Color[0] = 1.0f;

+	state.m_Color[1] = 1.0f;

+	state.m_Color[2] = 1.0f;

+	state.m_Color[3] = r_flashlightambient.GetFloat();

+	state.m_NearZ = r_flashlightnear.GetFloat() + m_flDistMod;	// Push near plane out so that we don't clip the world when the flashlight pulls back 

+	state.m_FarZ = r_flashlightfar.GetFloat();

+	state.m_bEnableShadows = r_flashlightdepthtexture.GetBool();

+	state.m_flShadowMapResolution = r_flashlightdepthres.GetInt();

+

+	state.m_pSpotlightTexture = m_FlashlightTexture;

+	state.m_nSpotlightTextureFrame = 0;

+

+	state.m_flShadowAtten = r_flashlightshadowatten.GetFloat();

+	state.m_flShadowSlopeScaleDepthBias = mat_slopescaledepthbias_shadowmap.GetFloat();

+	state.m_flShadowDepthBias = mat_depthbias_shadowmap.GetFloat();

+

+	if( m_FlashlightHandle == CLIENTSHADOW_INVALID_HANDLE )

+	{

+		m_FlashlightHandle = g_pClientShadowMgr->CreateFlashlight( state );

+	}

+	else

+	{

+		if( !r_flashlightlockposition.GetBool() )

+		{

+			g_pClientShadowMgr->UpdateFlashlightState( m_FlashlightHandle, state );

+		}

+	}

+	

+	g_pClientShadowMgr->UpdateProjectedTexture( m_FlashlightHandle, true );

+	

+	// Kill the old flashlight method if we have one.

+	LightOffOld();

+

+#ifndef NO_TOOLFRAMEWORK

+	if ( clienttools->IsInRecordingMode() )

+	{

+		KeyValues *msg = new KeyValues( "FlashlightState" );

+		msg->SetFloat( "time", gpGlobals->curtime );

+		msg->SetInt( "entindex", m_nEntIndex );

+		msg->SetInt( "flashlightHandle", m_FlashlightHandle );

+		msg->SetPtr( "flashlightState", &state );

+		ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );

+		msg->deleteThis();

+	}

+#endif

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Do the headlight

+//-----------------------------------------------------------------------------

+void CFlashlightEffect::UpdateLightOld(const Vector &vecPos, const Vector &vecDir, int nDistance)

+{

+	if ( !m_pPointLight || ( m_pPointLight->key != m_nEntIndex ))

+	{

+		// Set up the environment light

+		m_pPointLight = effects->CL_AllocDlight(m_nEntIndex);

+		m_pPointLight->flags = 0.0f;

+		m_pPointLight->radius = 80;

+	}

+	

+	// For bumped lighting

+	VectorCopy(vecDir, m_pPointLight->m_Direction);

+	

+	Vector end;

+	end = vecPos + nDistance * vecDir;

+	

+	// Trace a line outward, skipping the player model and the view model.

+	trace_t pm;

+	CTraceFilterSkipPlayerAndViewModel traceFilter;

+	UTIL_TraceLine( vecPos, end, MASK_ALL, &traceFilter, &pm );

+	VectorCopy( pm.endpos, m_pPointLight->origin );

+	

+	float falloff = pm.fraction * nDistance;

+	

+	if ( falloff < 500 )

+		falloff = 1.0;

+	else

+		falloff = 500.0 / falloff;

+	

+	falloff *= falloff;

+	

+	m_pPointLight->radius = 80;

+	m_pPointLight->color.r = m_pPointLight->color.g = m_pPointLight->color.b = 255 * falloff;

+	m_pPointLight->color.exponent = 0;

+	

+	// Make it live for a bit

+	m_pPointLight->die = gpGlobals->curtime + 0.2f;

+	

+	// Update list of surfaces we influence

+	render->TouchLight( m_pPointLight );

+	

+	// kill the new flashlight if we have one

+	LightOffNew();

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Do the headlight

+//-----------------------------------------------------------------------------

+void CFlashlightEffect::UpdateLight(const Vector &vecPos, const Vector &vecDir, const Vector &vecRight, const Vector &vecUp, int nDistance)

+{

+	if ( !m_bIsOn )

+	{

+		return;

+	}

+	if( r_newflashlight.GetBool() )

+	{

+		UpdateLightNew( vecPos, vecDir, vecRight, vecUp );

+	}

+	else

+	{

+		UpdateLightOld( vecPos, vecDir, nDistance );

+	}

+}

+

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CFlashlightEffect::LightOffNew()

+{

+#ifndef NO_TOOLFRAMEWORK

+	if ( clienttools->IsInRecordingMode() )

+	{

+		KeyValues *msg = new KeyValues( "FlashlightState" );

+		msg->SetFloat( "time", gpGlobals->curtime );

+		msg->SetInt( "entindex", m_nEntIndex );

+		msg->SetInt( "flashlightHandle", m_FlashlightHandle );

+		msg->SetPtr( "flashlightState", NULL );

+		ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );

+		msg->deleteThis();

+	}

+#endif

+

+	// Clear out the light

+	if( m_FlashlightHandle != CLIENTSHADOW_INVALID_HANDLE )

+	{

+		g_pClientShadowMgr->DestroyFlashlight( m_FlashlightHandle );

+		m_FlashlightHandle = CLIENTSHADOW_INVALID_HANDLE;

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CFlashlightEffect::LightOffOld()

+{	

+	if ( m_pPointLight && ( m_pPointLight->key == m_nEntIndex ) )

+	{

+		m_pPointLight->die = gpGlobals->curtime;

+		m_pPointLight = NULL;

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CFlashlightEffect::LightOff()

+{	

+	LightOffOld();

+	LightOffNew();

+}

+

+CHeadlightEffect::CHeadlightEffect() 

+{

+

+}

+

+CHeadlightEffect::~CHeadlightEffect()

+{

+	

+}

+

+void CHeadlightEffect::UpdateLight( const Vector &vecPos, const Vector &vecDir, const Vector &vecRight, const Vector &vecUp, int nDistance )

+{

+	if ( IsOn() == false )

+		 return;

+

+	FlashlightState_t state;

+	Vector basisX, basisY, basisZ;

+	basisX = vecDir;

+	basisY = vecRight;

+	basisZ = vecUp;

+	VectorNormalize(basisX);

+	VectorNormalize(basisY);

+	VectorNormalize(basisZ);

+

+	BasisToQuaternion( basisX, basisY, basisZ, state.m_quatOrientation );

+		

+	state.m_vecLightOrigin = vecPos;

+

+	state.m_fHorizontalFOVDegrees = 45.0f;

+	state.m_fVerticalFOVDegrees = 30.0f;

+	state.m_fQuadraticAtten = r_flashlightquadratic.GetFloat();

+	state.m_fLinearAtten = r_flashlightlinear.GetFloat();

+	state.m_fConstantAtten = r_flashlightconstant.GetFloat();

+	state.m_Color[0] = 1.0f;

+	state.m_Color[1] = 1.0f;

+	state.m_Color[2] = 1.0f;

+	state.m_Color[3] = r_flashlightambient.GetFloat();

+	state.m_NearZ = r_flashlightnear.GetFloat();

+	state.m_FarZ = r_flashlightfar.GetFloat();

+	state.m_bEnableShadows = true;

+	state.m_pSpotlightTexture = m_FlashlightTexture;

+	state.m_nSpotlightTextureFrame = 0;

+	

+	if( GetFlashlightHandle() == CLIENTSHADOW_INVALID_HANDLE )

+	{

+		SetFlashlightHandle( g_pClientShadowMgr->CreateFlashlight( state ) );

+	}

+	else

+	{

+		g_pClientShadowMgr->UpdateFlashlightState( GetFlashlightHandle(), state );

+	}

+	

+	g_pClientShadowMgr->UpdateProjectedTexture( GetFlashlightHandle(), true );

+}

+