1HEADmaster

1 files changed, 517 insertions, 0 deletions

diff --git a/game/shared/cstrike/weapon_knife.cpp b/game/shared/cstrike/weapon_knife.cpp
new file mode 100644
index 0000000..9bc549b
--- /dev/null
+++ b/game/shared/cstrike/weapon_knife.cpp
@@ -0,0 +1,517 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "weapon_knife.h"
+#include "cs_gamerules.h"
+
+#if defined( CLIENT_DLL )
+	#include "c_cs_player.h"
+#else
+	#include "cs_player.h"
+	#include "ilagcompensationmanager.h"
+	#include "cs_gamestats.h"
+#endif
+
+
+#define	KNIFE_BODYHIT_VOLUME 128
+#define	KNIFE_WALLHIT_VOLUME 512
+
+
+Vector head_hull_mins( -16, -16, -18 );
+Vector head_hull_maxs( 16, 16, 18 );
+
+#ifndef CLIENT_DLL
+	//-----------------------------------------------------------------------------
+	// Purpose: Only send to local player if this weapon is the active weapon
+	// Input  : *pStruct - 
+	//			*pVarData - 
+	//			*pRecipients - 
+	//			objectID - 
+	// Output : void*
+	//-----------------------------------------------------------------------------
+	void* SendProxy_SendActiveLocalKnifeDataTable( const SendProp *pProp, const void *pStruct, const void *pVarData, CSendProxyRecipients *pRecipients, int objectID )
+	{
+		// Get the weapon entity
+		CBaseCombatWeapon *pWeapon = (CBaseCombatWeapon*)pVarData;
+		if ( pWeapon )
+		{
+			// Only send this chunk of data to the player carrying this weapon
+			CBasePlayer *pPlayer = ToBasePlayer( pWeapon->GetOwner() );
+			if ( pPlayer /*&& pPlayer->GetActiveWeapon() == pWeapon*/ )
+			{
+				pRecipients->SetOnly( pPlayer->GetClientIndex() );
+				return (void*)pVarData;
+			}
+		}
+		
+		return NULL;
+	}
+	REGISTER_SEND_PROXY_NON_MODIFIED_POINTER( SendProxy_SendActiveLocalKnifeDataTable );
+#endif
+
+// ----------------------------------------------------------------------------- //
+// CKnife tables.
+// ----------------------------------------------------------------------------- //
+
+IMPLEMENT_NETWORKCLASS_ALIASED( Knife, DT_WeaponKnife )
+
+BEGIN_NETWORK_TABLE_NOBASE( CKnife, DT_LocalActiveWeaponKnifeData )
+	#if !defined( CLIENT_DLL )
+		SendPropTime( SENDINFO( m_flSmackTime ) ),
+	#else
+		RecvPropTime( RECVINFO( m_flSmackTime ) ),
+	#endif
+END_NETWORK_TABLE()
+
+
+BEGIN_NETWORK_TABLE( CKnife, DT_WeaponKnife )
+	#if !defined( CLIENT_DLL )
+		SendPropDataTable("LocalActiveWeaponKnifeData", 0, &REFERENCE_SEND_TABLE(DT_LocalActiveWeaponKnifeData), SendProxy_SendActiveLocalKnifeDataTable ),
+	#else
+		RecvPropDataTable("LocalActiveWeaponKnifeData", 0, 0, &REFERENCE_RECV_TABLE(DT_LocalActiveWeaponKnifeData)),
+	#endif
+END_NETWORK_TABLE()
+
+
+#if defined CLIENT_DLL
+BEGIN_PREDICTION_DATA( CKnife )
+	DEFINE_PRED_FIELD( m_flSmackTime, FIELD_FLOAT, FTYPEDESC_INSENDTABLE ),
+END_PREDICTION_DATA()
+#endif
+
+
+LINK_ENTITY_TO_CLASS( weapon_knife, CKnife );
+PRECACHE_WEAPON_REGISTER( weapon_knife );
+
+#ifndef CLIENT_DLL
+
+	BEGIN_DATADESC( CKnife )
+		DEFINE_THINKFUNC( Smack )
+	END_DATADESC()
+
+#endif
+
+// ----------------------------------------------------------------------------- //
+// CKnife implementation.
+// ----------------------------------------------------------------------------- //
+
+CKnife::CKnife()
+{
+}
+
+
+bool CKnife::HasPrimaryAmmo()
+{
+	return true;
+}
+
+
+bool CKnife::CanBeSelected()
+{
+	return true;
+}
+
+void CKnife::Precache()
+{
+	BaseClass::Precache();
+
+	PrecacheScriptSound( "Weapon_Knife.Deploy" );
+	PrecacheScriptSound( "Weapon_Knife.Slash" );
+	PrecacheScriptSound( "Weapon_Knife.Stab" );
+	PrecacheScriptSound( "Weapon_Knife.Hit" );
+}
+
+void CKnife::Spawn()
+{
+	Precache();
+
+	m_iClip1 = -1;
+	BaseClass::Spawn();
+}
+
+
+bool CKnife::Deploy()
+{
+	CPASAttenuationFilter filter( this );
+	filter.UsePredictionRules();
+	EmitSound( filter, entindex(), "Weapon_Knife.Deploy" );
+
+	return BaseClass::Deploy();
+}
+
+void CKnife::Holster( int skiplocal )
+{
+	if ( GetPlayerOwner() )
+	{
+		GetPlayerOwner()->m_flNextAttack = gpGlobals->curtime + 0.5;
+	}
+}
+
+void CKnife::WeaponAnimation ( int iAnimation )
+{
+	/*
+	int flag;
+	#if defined( CLIENT_WEAPONS )
+		flag = FEV_NOTHOST;
+	#else
+		flag = 0;
+	#endif
+
+	PLAYBACK_EVENT_FULL( flag, pPlayer->edict(), m_usKnife,
+		0.0, (float *)&g_vecZero, (float *)&g_vecZero, 
+		0.0,
+		0.0,
+		iAnimation, 2, 3, 4 );
+	*/
+}
+
+void FindHullIntersection( const Vector &vecSrc, trace_t &tr, const Vector &mins, const Vector &maxs, CBaseEntity *pEntity )
+{
+	int			i, j, k;
+	float		distance;
+	Vector minmaxs[2] = {mins, maxs};
+	trace_t tmpTrace;
+	Vector		vecHullEnd = tr.endpos;
+	Vector		vecEnd;
+
+	distance = 1e6f;
+
+	vecHullEnd = vecSrc + ((vecHullEnd - vecSrc)*2);
+	UTIL_TraceLine( vecSrc, vecHullEnd, MASK_SOLID, pEntity, COLLISION_GROUP_NONE, &tmpTrace );
+	if ( tmpTrace.fraction < 1.0 )
+	{
+		tr = tmpTrace;
+		return;
+	}
+
+	for ( i = 0; i < 2; i++ )
+	{
+		for ( j = 0; j < 2; j++ )
+		{
+			for ( k = 0; k < 2; k++ )
+			{
+				vecEnd.x = vecHullEnd.x + minmaxs[i][0];
+				vecEnd.y = vecHullEnd.y + minmaxs[j][1];
+				vecEnd.z = vecHullEnd.z + minmaxs[k][2];
+
+				UTIL_TraceLine( vecSrc, vecEnd, MASK_SOLID, pEntity, COLLISION_GROUP_NONE, &tmpTrace );
+				if ( tmpTrace.fraction < 1.0 )
+				{
+					float thisDistance = (tmpTrace.endpos - vecSrc).Length();
+					if ( thisDistance < distance )
+					{
+						tr = tmpTrace;
+						distance = thisDistance;
+					}
+				}
+			}
+		}
+	}
+}
+
+
+void CKnife::PrimaryAttack()
+{
+	CCSPlayer *pPlayer = GetPlayerOwner();
+	if ( pPlayer )
+	{
+#if !defined (CLIENT_DLL)
+		// Move other players back to history positions based on local player's lag
+		lagcompensation->StartLagCompensation( pPlayer, pPlayer->GetCurrentCommand() );
+#endif
+		SwingOrStab( false );
+#if !defined (CLIENT_DLL)
+		lagcompensation->FinishLagCompensation( pPlayer );
+#endif
+	}
+}
+
+void CKnife::SecondaryAttack()
+{
+	CCSPlayer *pPlayer = GetPlayerOwner();
+	if ( pPlayer && !pPlayer->m_bIsDefusing && !CSGameRules()->IsFreezePeriod() )
+	{
+#if !defined (CLIENT_DLL)
+		// Move other players back to history positions based on local player's lag
+		lagcompensation->StartLagCompensation( pPlayer, pPlayer->GetCurrentCommand() );
+#endif
+		SwingOrStab( true );
+#if !defined (CLIENT_DLL)
+		lagcompensation->FinishLagCompensation( pPlayer );
+#endif
+	}
+}
+
+#include "effect_dispatch_data.h"
+
+void CKnife::Smack( void )
+{
+	if ( !GetPlayerOwner() )
+		return;
+
+	m_trHit.m_pEnt = m_pTraceHitEnt;
+
+	if ( !m_trHit.m_pEnt || (m_trHit.surface.flags & SURF_SKY) )
+		return;
+
+	if ( m_trHit.fraction == 1.0 )
+		return;
+
+	if ( m_trHit.m_pEnt )
+	{
+		CPASAttenuationFilter filter( this );
+		filter.UsePredictionRules();
+
+		if( m_trHit.m_pEnt->IsPlayer()  )
+		{
+			EmitSound( filter, entindex(), m_bStab?"Weapon_Knife.Stab":"Weapon_Knife.Hit" );
+		}
+		else
+		{
+			EmitSound( filter, entindex(), "Weapon_Knife.HitWall" );
+		}
+	}
+
+	CEffectData data;
+	data.m_vOrigin = m_trHit.endpos;
+	data.m_vStart = m_trHit.startpos;
+	data.m_nSurfaceProp = m_trHit.surface.surfaceProps;
+	data.m_nDamageType = DMG_SLASH;
+	data.m_nHitBox = m_trHit.hitbox;
+#ifdef CLIENT_DLL
+	data.m_hEntity = m_trHit.m_pEnt->GetRefEHandle();
+#else
+	data.m_nEntIndex = m_trHit.m_pEnt->entindex();
+#endif
+
+	CPASFilter filter( data.m_vOrigin );
+	
+#ifndef CLIENT_DLL
+	filter.RemoveRecipient( GetPlayerOwner() );
+#endif
+
+	data.m_vAngles = GetPlayerOwner()->GetAbsAngles();
+	data.m_fFlags = 0x1;	//IMPACT_NODECAL;
+	te->DispatchEffect( filter, 0.0, data.m_vOrigin, "KnifeSlash", data );
+}
+
+void CKnife::WeaponIdle()
+{
+	if (m_flTimeWeaponIdle > gpGlobals->curtime)
+		return;
+
+	CCSPlayer *pPlayer = GetPlayerOwner();
+	if ( !pPlayer )
+		return;
+
+	if ( pPlayer->IsShieldDrawn() )
+		 return;
+
+	SetWeaponIdleTime( gpGlobals->curtime + 20 );
+
+	// only idle if the slid isn't back
+	SendWeaponAnim( ACT_VM_IDLE );
+}
+
+//=============================================================================
+// HPE_BEGIN:
+// [tj] Hacky cheat code to control knife damage
+//=============================================================================
+#ifndef CLIENT_DLL
+	ConVar KnifeDamageScale("knife_damage_scale", "100", FCVAR_DEVELOPMENTONLY);
+#endif
+
+//=============================================================================
+// HPE_END
+//=============================================================================
+
+
+bool CKnife::SwingOrStab( bool bStab )
+{
+	CCSPlayer *pPlayer = GetPlayerOwner();
+	if ( !pPlayer )
+		return false;
+
+	float fRange = bStab ? 32 : 48; // knife range
+	
+	Vector vForward; AngleVectors( pPlayer->EyeAngles(), &vForward );
+	Vector vecSrc	= pPlayer->Weapon_ShootPosition();
+	Vector vecEnd	= vecSrc + vForward * fRange;
+
+	trace_t tr;
+	UTIL_TraceLine( vecSrc, vecEnd, MASK_SOLID, pPlayer, COLLISION_GROUP_NONE, &tr );
+
+	//check for hitting glass - TODO - fix this hackiness, doesn't always line up with what FindHullIntersection returns
+#ifndef CLIENT_DLL
+	CTakeDamageInfo glassDamage( pPlayer, pPlayer, 42.0f, DMG_BULLET | DMG_NEVERGIB );
+	TraceAttackToTriggers( glassDamage, tr.startpos, tr.endpos, vForward );
+#endif
+
+	if ( tr.fraction >= 1.0 )
+	{
+		UTIL_TraceHull( vecSrc, vecEnd, head_hull_mins, head_hull_maxs, MASK_SOLID, pPlayer, COLLISION_GROUP_NONE, &tr );
+		if ( tr.fraction < 1.0 )
+		{
+			// Calculate the point of intersection of the line (or hull) and the object we hit
+			// This is and approximation of the "best" intersection
+			CBaseEntity *pHit = tr.m_pEnt;
+			if ( !pHit || pHit->IsBSPModel() )
+				FindHullIntersection( vecSrc, tr, VEC_DUCK_HULL_MIN, VEC_DUCK_HULL_MAX, pPlayer );
+			vecEnd = tr.endpos;	// This is the point on the actual surface (the hull could have hit space)
+		}
+	}
+
+	bool bDidHit = tr.fraction < 1.0f;
+
+#ifndef CLIENT_DLL
+	bool bFirstSwing = (m_flNextPrimaryAttack + 0.4) < gpGlobals->curtime;
+#endif
+
+	float fPrimDelay, fSecDelay;
+
+	if ( bStab )
+	{
+		SendWeaponAnim( bDidHit ? ACT_VM_HITCENTER : ACT_VM_MISSCENTER );
+
+		fPrimDelay = fSecDelay = bDidHit ? 1.1f : 1.0f;
+
+		pPlayer->DoAnimationEvent( PLAYERANIMEVENT_FIRE_GUN_PRIMARY );
+	}
+	else // swing
+	{
+		SendWeaponAnim( bDidHit ? ACT_VM_HITCENTER : ACT_VM_MISSCENTER );
+
+		fPrimDelay = bDidHit ? 0.5f : 0.4f;
+		fSecDelay = bDidHit ? 0.5f : 0.5f;
+
+		pPlayer->DoAnimationEvent( PLAYERANIMEVENT_FIRE_GUN_SECONDARY );
+	}
+
+	if ( pPlayer->HasShield() )
+	{
+		fPrimDelay += 0.7f; // 0.7 seconds slower if we carry a shield
+		fSecDelay += 0.7f;
+	}
+
+	m_flNextPrimaryAttack = gpGlobals->curtime + fPrimDelay;
+	m_flNextSecondaryAttack = gpGlobals->curtime + fSecDelay;
+	SetWeaponIdleTime( gpGlobals->curtime + 2 );
+	
+	if ( !bDidHit )
+	{
+		// play wiff or swish sound
+		CPASAttenuationFilter filter( this );
+		filter.UsePredictionRules();
+		EmitSound( filter, entindex(), "Weapon_Knife.Slash" );
+	}
+
+#ifndef CLIENT_DLL
+
+	float flDamage = 0.0f;
+	if ( bDidHit )
+	{
+		// play thwack, smack, or dong sound
+
+		CBaseEntity *pEntity = tr.m_pEnt;
+				
+		// player "shoot" animation
+		pPlayer->SetAnimation( PLAYER_ATTACK1 );
+
+		ClearMultiDamage();
+		
+		flDamage = 42.0f;
+
+		if ( bStab )
+		{
+			flDamage = 65.0f;
+
+			if ( pEntity && pEntity->IsPlayer() )
+			{
+				Vector vTragetForward;
+
+				AngleVectors( pEntity->GetAbsAngles(), &vTragetForward );
+				
+				Vector2D vecLOS = (pEntity->GetAbsOrigin() - pPlayer->GetAbsOrigin()).AsVector2D();
+				Vector2DNormalize( vecLOS );
+
+				float flDot = vecLOS.Dot( vTragetForward.AsVector2D() );
+
+				//Triple the damage if we are stabbing them in the back.
+				if ( flDot > 0.80f )
+					 flDamage *= 3;
+			}
+		}
+		else
+		{
+			if ( bFirstSwing )
+			{
+				// first swing does full damage
+				flDamage = 20;
+			}
+			else
+			{
+				// subsequent swings do less	
+				flDamage = 15;
+			}
+		}
+
+        //=============================================================================
+        // HPE_BEGIN:
+        // [tj] Hacky cheat to lower knife damage for testing
+        //=============================================================================
+         
+        flDamage *= (KnifeDamageScale.GetInt() / 100.0f);
+         
+        //=============================================================================
+        // HPE_END
+        //=============================================================================
+        
+
+		CTakeDamageInfo info( pPlayer, pPlayer, flDamage, DMG_BULLET | DMG_NEVERGIB );
+
+		CalculateMeleeDamageForce( &info, vForward, tr.endpos, 1.0f/flDamage );
+		pEntity->DispatchTraceAttack( info, vForward, &tr ); 
+		ApplyMultiDamage();
+	}
+
+	CCS_GameStats.Event_KnifeUse( pPlayer, bStab, flDamage );
+
+#endif
+
+	if ( bDidHit )
+	{
+		// delay the decal a bit
+		m_trHit = tr;
+		
+		// Store the ent in an EHANDLE, just in case it goes away by the time we get into our think function.
+		m_pTraceHitEnt = tr.m_pEnt; 
+
+		m_bStab = bStab;	//store this so we know what hit sound to play
+
+		m_flSmackTime = gpGlobals->curtime + (bStab?0.2f:0.1f);
+	}
+
+	return bDidHit;
+}
+
+void CKnife::ItemPostFrame( void )
+{
+	if( m_flSmackTime > 0 && gpGlobals->curtime > m_flSmackTime )
+	{
+		Smack();
+		m_flSmackTime = -1;
+	}
+
+	BaseClass::ItemPostFrame();
+}
+
+bool CKnife::CanDrop()
+{
+	return false;
+}
+
+