mirror of
https://github.com/nillerusr/source-engine.git
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317 lines
9.2 KiB
C++
317 lines
9.2 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#include "cbase.h"
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#include "flashbang_projectile.h"
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#include "shake.h"
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#include "engine/IEngineSound.h"
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#include "cs_player.h"
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#include "dlight.h"
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#include "KeyValues.h"
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#include "weapon_csbase.h"
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#include "collisionutils.h"
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#include "particle_smokegrenade.h"
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#include "smoke_fog_overlay_shared.h"
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#define GRENADE_MODEL "models/Weapons/w_eq_flashbang_thrown.mdl"
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LINK_ENTITY_TO_CLASS( flashbang_projectile, CFlashbangProjectile );
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PRECACHE_WEAPON_REGISTER( flashbang_projectile );
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float PercentageOfFlashForPlayer(CBaseEntity *player, Vector flashPos, CBaseEntity *pevInflictor)
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{
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float retval = 0.0f;
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trace_t tr;
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Vector pos = player->EyePosition();
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Vector vecRight, vecUp, vecForward;
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AngleVectors( player->EyeAngles(), &vecForward );
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QAngle tempAngle;
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VectorAngles(player->EyePosition() - flashPos, tempAngle);
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AngleVectors(tempAngle, NULL, &vecRight, &vecUp);
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vecRight.NormalizeInPlace();
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vecUp.NormalizeInPlace();
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UTIL_TraceLine( flashPos, pos,
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(CONTENTS_SOLID|CONTENTS_MOVEABLE|CONTENTS_DEBRIS|CONTENTS_MONSTER),
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pevInflictor, COLLISION_GROUP_NONE, &tr );
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if ((tr.fraction == 1.0) || (tr.m_pEnt == player))
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{
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retval = 1.0;
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}
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else
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{
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return 0.0;
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}
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CBaseEntity *pSGren;
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for( pSGren = gEntList.FindEntityByClassname( NULL, "env_particlesmokegrenade" );
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pSGren;
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pSGren = gEntList.FindEntityByClassname( pSGren, "env_particlesmokegrenade" ) )
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{
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ParticleSmokeGrenade *pPSG =( ParticleSmokeGrenade* ) pSGren;
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if ( gpGlobals->curtime > pPSG->m_flSpawnTime + pPSG->m_FadeStartTime ) // ignore the smoke grenade if it's fading.
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continue;
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float flHit1, flHit2;
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float flInnerRadius = SMOKEGRENADE_PARTICLERADIUS;
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// float flOutterRadius = flInnerRadius + ( 0.5 * SMOKEPARTICLE_SIZE );
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Vector vPos = pSGren->GetAbsOrigin();
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/*debugoverlay->AddBoxOverlay( pSGren->GetAbsOrigin(), Vector( flInnerRadius, flInnerRadius, flInnerRadius ),
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Vector( -flInnerRadius, -flInnerRadius, -flInnerRadius ), QAngle( 0, 0, 0 ), 0, 255, 0, 30, 10 );
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debugoverlay->AddBoxOverlay( pSGren->GetAbsOrigin(), Vector( flOutterRadius, flOutterRadius, flOutterRadius ),
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Vector( -flOutterRadius, -flOutterRadius, -flOutterRadius ), QAngle( 0, 0, 0 ), 255, 0, 0, 30, 10 ); */
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if ( IntersectInfiniteRayWithSphere( pos, vecForward, vPos, flInnerRadius, &flHit1, &flHit2 ) )
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{
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retval *= 0.8;
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}
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/* else if ( IntersectInfiniteRayWithSphere( pos, vecForward, vPos, flOutterRadius, &flHit1, &flHit2 ) )
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{
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retval *= 0.9;
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}
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*/
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}
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return retval;
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}
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// --------------------------------------------------------------------------------------------------- //
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//
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// RadiusDamage - this entity is exploding, or otherwise needs to inflict damage upon entities within a certain range.
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//
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// only damage ents that can clearly be seen by the explosion!
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// --------------------------------------------------------------------------------------------------- //
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void RadiusFlash(
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Vector vecSrc,
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CBaseEntity *pevInflictor,
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CBaseEntity *pevAttacker,
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float flDamage,
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int iClassIgnore,
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int bitsDamageType )
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{
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vecSrc.z += 1;// in case grenade is lying on the ground
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if ( !pevAttacker )
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pevAttacker = pevInflictor;
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trace_t tr;
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float flAdjustedDamage;
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variant_t var;
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Vector vecEyePos;
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float fadeTime, fadeHold;
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Vector vForward;
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Vector vecLOS;
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float flDot;
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CBaseEntity *pEntity = NULL;
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static float flRadius = 1500;
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float falloff = flDamage / flRadius;
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bool bInWater = (UTIL_PointContents( vecSrc ) == CONTENTS_WATER);
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// iterate on all entities in the vicinity.
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while ((pEntity = gEntList.FindEntityInSphere( pEntity, vecSrc, flRadius )) != NULL)
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{
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bool bPlayer = pEntity->IsPlayer();
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bool bHostage = ( Q_stricmp( pEntity->GetClassname(), "hostage_entity" ) == 0 );
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if( !bPlayer && !bHostage )
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continue;
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vecEyePos = pEntity->EyePosition();
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// blasts don't travel into or out of water
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if ( bInWater && pEntity->GetWaterLevel() == 0)
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continue;
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if (!bInWater && pEntity->GetWaterLevel() == 3)
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continue;
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float percentageOfFlash = PercentageOfFlashForPlayer(pEntity, vecSrc, pevInflictor);
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if ( percentageOfFlash > 0.0 )
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{
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// decrease damage for an ent that's farther from the grenade
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flAdjustedDamage = flDamage - ( vecSrc - pEntity->EyePosition() ).Length() * falloff;
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if ( flAdjustedDamage > 0 )
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{
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// See if we were facing the flash
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AngleVectors( pEntity->EyeAngles(), &vForward );
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vecLOS = ( vecSrc - vecEyePos );
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float flDistance = vecLOS.Length();
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// Normalize both vectors so the dotproduct is in the range -1.0 <= x <= 1.0
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vecLOS.NormalizeInPlace();
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flDot = DotProduct (vecLOS, vForward);
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float startingAlpha = 255;
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// if target is facing the bomb, the effect lasts longer
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if( flDot >= 0.5 )
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{
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// looking at the flashbang
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fadeTime = flAdjustedDamage * 2.5f;
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fadeHold = flAdjustedDamage * 1.25f;
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}
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else if( flDot >= -0.5 )
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{
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// looking to the side
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fadeTime = flAdjustedDamage * 1.75f;
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fadeHold = flAdjustedDamage * 0.8f;
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}
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else
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{
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// facing away
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fadeTime = flAdjustedDamage * 1.0f;
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fadeHold = flAdjustedDamage * 0.75f;
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startingAlpha = 200;
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}
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fadeTime *= percentageOfFlash;
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fadeHold *= percentageOfFlash;
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if ( bPlayer )
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{
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// blind players and bots
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CCSPlayer *player = static_cast< CCSPlayer * >( pEntity );
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//=============================================================================
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// HPE_BEGIN:
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// [tj] Store who was responsible for the most recent flashbang blinding.
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//=============================================================================
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CCSPlayer *attacker = ToCSPlayer (pevAttacker);
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if (attacker && player)
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{
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player->SetLastFlashbangAttacker(attacker);
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}
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//=============================================================================
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// HPE_END
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//=============================================================================
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player->Blind( fadeHold, fadeTime, startingAlpha );
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// deafen players and bots
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player->Deafen( flDistance );
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}
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else if ( bHostage )
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{
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variant_t val;
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val.SetFloat( fadeTime );
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pEntity->AcceptInput( "flashbang", pevInflictor, pevAttacker, val, 0 );
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}
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}
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}
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}
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CPVSFilter filter(vecSrc);
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te->DynamicLight( filter, 0.0, &vecSrc, 255, 255, 255, 2, 400, 0.1, 768 );
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}
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// --------------------------------------------------------------------------------------------------- //
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// CFlashbangProjectile implementation.
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// --------------------------------------------------------------------------------------------------- //
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CFlashbangProjectile* CFlashbangProjectile::Create(
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const Vector &position,
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const QAngle &angles,
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const Vector &velocity,
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const AngularImpulse &angVelocity,
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CBaseCombatCharacter *pOwner )
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{
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CFlashbangProjectile *pGrenade = (CFlashbangProjectile*)CBaseEntity::Create( "flashbang_projectile", position, angles, pOwner );
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// Set the timer for 1 second less than requested. We're going to issue a SOUND_DANGER
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// one second before detonation.
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pGrenade->SetAbsVelocity( velocity );
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pGrenade->SetupInitialTransmittedGrenadeVelocity( velocity );
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pGrenade->SetThrower( pOwner );
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pGrenade->m_flDamage = 100;
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pGrenade->ChangeTeam( pOwner->GetTeamNumber() );
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pGrenade->SetTouch( &CBaseGrenade::BounceTouch );
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pGrenade->SetThink( &CBaseCSGrenadeProjectile::DangerSoundThink );
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pGrenade->SetNextThink( gpGlobals->curtime );
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pGrenade->SetDetonateTimerLength( 1.5 );
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pGrenade->ApplyLocalAngularVelocityImpulse( angVelocity );
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pGrenade->SetGravity( BaseClass::GetGrenadeGravity() );
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pGrenade->SetFriction( BaseClass::GetGrenadeFriction() );
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pGrenade->SetElasticity( BaseClass::GetGrenadeElasticity() );
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pGrenade->m_pWeaponInfo = GetWeaponInfo( WEAPON_FLASHBANG );
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return pGrenade;
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}
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void CFlashbangProjectile::Spawn()
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{
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SetModel( GRENADE_MODEL );
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BaseClass::Spawn();
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}
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void CFlashbangProjectile::Precache()
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{
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PrecacheModel( GRENADE_MODEL );
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PrecacheScriptSound( "Flashbang.Explode" );
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PrecacheScriptSound( "Flashbang.Bounce" );
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BaseClass::Precache();
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}
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void CFlashbangProjectile::Detonate()
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{
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RadiusFlash ( GetAbsOrigin(), this, GetThrower(), 4, CLASS_NONE, DMG_BLAST );
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EmitSound( "Flashbang.Explode" );
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// tell the bots a flashbang grenade has exploded
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CCSPlayer *player = ToCSPlayer(GetThrower());
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if ( player )
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{
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IGameEvent * event = gameeventmanager->CreateEvent( "flashbang_detonate" );
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if ( event )
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{
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event->SetInt( "userid", player->GetUserID() );
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event->SetFloat( "x", GetAbsOrigin().x );
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event->SetFloat( "y", GetAbsOrigin().y );
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event->SetFloat( "z", GetAbsOrigin().z );
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gameeventmanager->FireEvent( event );
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}
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}
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UTIL_Remove( this );
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}
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//TODO: Let physics handle the sound!
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void CFlashbangProjectile::BounceSound( void )
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{
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EmitSound( "Flashbang.Bounce" );
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}
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