Files
HL2Overcharged/game/client/overcharged/RTT/global_light_effect.cpp
2025-05-21 21:09:22 +03:00

494 lines
15 KiB
C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//===========================================================================//
#include "cbase.h"
#include "global_light_effect.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_newGlightCallback_f(IConVar *pConVar, const char *pOldString, float flOldValue);
ConVar r_newglight("r_newglight", "1", FCVAR_CHEAT, "", r_newGlightCallback_f);
ConVar r_swingglight("r_swingglight", "1", FCVAR_CHEAT);
ConVar r_glightlockposition("r_glightlockposition", "0", FCVAR_CHEAT);
ConVar r_glightfov("r_glightfov", "45.0", FCVAR_CHEAT);
ConVar r_glightoffsetx("r_glightoffsetx", "10.0", FCVAR_CHEAT);
ConVar r_glightoffsety("r_glightoffsety", "-20.0", FCVAR_CHEAT);
ConVar r_glightoffsetz("r_glightoffsetz", "24.0", FCVAR_CHEAT);
ConVar r_glightnear("r_glightnear", "4.0", FCVAR_CHEAT);
ConVar r_glightfar("r_glightfar", "750.0", FCVAR_CHEAT);
ConVar r_glightconstant("r_glightconstant", "0.0", FCVAR_CHEAT);
ConVar r_glightlinear("r_glightlinear", "100.0", FCVAR_CHEAT);
ConVar r_glightquadratic("r_glightquadratic", "0.0", FCVAR_CHEAT);
ConVar r_glightvisualizetrace("r_glightvisualizetrace", "0", FCVAR_CHEAT);
ConVar r_glightambient("r_glightambient", "0.0", FCVAR_CHEAT);
ConVar r_glightshadowatten("r_glightshadowatten", "0.35", FCVAR_CHEAT);
ConVar r_glightladderdist("r_glightladderdist", "40.0", FCVAR_CHEAT);
#ifdef MAPBASE
ConVar r_glighttextureoverride("r_glighttextureoverride", "effects/glight", FCVAR_ARCHIVE);
#endif
void r_newGlightCallback_f(IConVar *pConVar, const char *pOldString, float flOldValue)
{
if (engine->GetDXSupportLevel() < 70)
{
r_newglight.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.
//-----------------------------------------------------------------------------
CGlobalLightEffect::CGlobalLightEffect(int nEntIndex)
{
m_FlashlightHandle = CLIENTSHADOW_INVALID_HANDLE;
m_nEntIndex = nEntIndex;
m_bIsOn = false;
m_pPointLight = NULL;
if (engine->GetDXSupportLevel() < 70)
{
r_newglight.SetValue(0);
}
#ifdef MAPBASE
if (r_glighttextureoverride.GetString()[0] != '\0')
{
m_FlashlightTexture.Init(r_glighttextureoverride.GetString(), TEXTURE_GROUP_OTHER, true);
}
else
#endif
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:
//-----------------------------------------------------------------------------
CGlobalLightEffect::~CGlobalLightEffect()
{
LightOff();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CGlobalLightEffect::TurnOn()
{
m_bIsOn = true;
m_flDistMod = 1.0f;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CGlobalLightEffect::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 CGlobalLightEffect::UpdateLightNew(const Vector &vecPos, const Vector &vecForward, const Vector &vecRight, const Vector &vecUp)
{
VPROF_BUDGET("CGlobalLightEffect::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_glightoffsety.GetFloat();
if (r_swingglight.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_glightfar.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_glightvisualizetrace.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_glightladderdist.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_glightquadratic.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_glightlinear.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_glightlinear.GetFloat() * flScale + 1.5f * flNoise;
}
state.m_fHorizontalFOVDegrees = r_glightfov.GetFloat() - (16.0f * (1.0f - flScale));
state.m_fVerticalFOVDegrees = r_glightfov.GetFloat() - (16.0f * (1.0f - flScale));
bFlicker = true;
}
}
//#endif // HL2_EPISODIC
if (bFlicker == false)
{
state.m_fLinearAtten = r_glightlinear.GetFloat();
state.m_fHorizontalFOVDegrees = r_glightfov.GetFloat();
state.m_fVerticalFOVDegrees = r_glightfov.GetFloat();
}
state.m_fConstantAtten = r_glightconstant.GetFloat();
state.m_Color[0] = 1.0f;
state.m_Color[1] = 1.0f;
state.m_Color[2] = 1.0f;
state.m_Color[3] = r_glightambient.GetFloat();
state.m_NearZ = r_glightnear.GetFloat() + m_flDistMod; // Push near plane out so that we don't clip the world when the glight pulls back
state.m_FarZ = r_glightfar.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_glightshadowatten.GetFloat();
state.m_flShadowSlopeScaleDepthBias = cvar->FindVar("mat_slopescaledepthbias_shadowmap")->GetFloat();
state.m_flShadowDepthBias = cvar->FindVar("mat_depthbias_shadowmap")->GetFloat();
if (m_FlashlightHandle == CLIENTSHADOW_INVALID_HANDLE)
{
m_FlashlightHandle = g_pClientShadowMgr->CreateFlashlight(state);
}
else
{
if (!r_glightlockposition.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 CGlobalLightEffect::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 CGlobalLightEffect::UpdateLight(const Vector &vecPos, const Vector &vecDir, const Vector &vecRight, const Vector &vecUp, int nDistance)
{
if (!m_bIsOn)
{
return;
}
if (r_newglight.GetBool())
{
UpdateLightNew(vecPos, vecDir, vecRight, vecUp);
}
else
{
UpdateLightOld(vecPos, vecDir, nDistance);
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CGlobalLightEffect::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 CGlobalLightEffect::LightOffOld()
{
if (m_pPointLight && (m_pPointLight->key == m_nEntIndex))
{
m_pPointLight->die = gpGlobals->curtime;
m_pPointLight = NULL;
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CGlobalLightEffect::LightOff()
{
LightOffOld();
LightOffNew();
}