First version of the SOurce SDK 2013

1 files changed, 363 insertions, 0 deletions

diff --git a/sp/src/game/shared/sdk/sdk_weapon_melee.cpp b/sp/src/game/shared/sdk/sdk_weapon_melee.cpp
new file mode 100644
index 00000000..76baa638
--- /dev/null
+++ b/sp/src/game/shared/sdk/sdk_weapon_melee.cpp
@@ -0,0 +1,363 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//

+//

+// Purpose: Base code for any melee based weapon

+//

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

+

+#include "cbase.h"

+

+#include "weapon_sdkbase.h"

+#include "sdk_weapon_melee.h"

+

+#include "sdk_gamerules.h"

+#include "ammodef.h"

+#include "mathlib/mathlib.h"

+#include "in_buttons.h"

+#include "animation.h"

+

+#if defined( CLIENT_DLL )

+	#include "c_sdk_player.h"

+#else

+	#include "sdk_player.h"

+	#include "ndebugoverlay.h"

+	#include "te_effect_dispatch.h"

+	#include "ilagcompensationmanager.h"

+#endif

+

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

+#include "tier0/memdbgon.h"

+

+IMPLEMENT_NETWORKCLASS_ALIASED( WeaponSDKMelee, DT_WeaponSDKMelee )

+

+BEGIN_NETWORK_TABLE( CWeaponSDKMelee, DT_WeaponSDKMelee )

+END_NETWORK_TABLE()

+

+BEGIN_PREDICTION_DATA( CWeaponSDKMelee )

+END_PREDICTION_DATA()

+

+#define MELEE_HULL_DIM		16

+

+static const Vector g_meleeMins(-MELEE_HULL_DIM,-MELEE_HULL_DIM,-MELEE_HULL_DIM);

+static const Vector g_meleeMaxs(MELEE_HULL_DIM,MELEE_HULL_DIM,MELEE_HULL_DIM);

+

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

+// Constructor

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

+CWeaponSDKMelee::CWeaponSDKMelee()

+{

+	m_bFiresUnderwater = true;

+}

+

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

+// Purpose: Spawn the weapon

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

+void CWeaponSDKMelee::Spawn( void )

+{

+	m_fMinRange1	= 0;

+	m_fMinRange2	= 0;

+	m_fMaxRange1	= 64;

+	m_fMaxRange2	= 64;

+	//Call base class first

+	BaseClass::Spawn();

+}

+

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

+// Purpose: Precache the weapon

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

+void CWeaponSDKMelee::Precache( void )

+{

+	//Call base class first

+	BaseClass::Precache();

+}

+

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

+// Purpose : Update weapon

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

+void CWeaponSDKMelee::ItemPostFrame( void )

+{

+	CSDKPlayer *pPlayer = GetPlayerOwner();

+	if ( pPlayer == NULL )

+		return;

+

+	if ( (pPlayer->m_nButtons & IN_ATTACK) && (m_flNextPrimaryAttack <= gpGlobals->curtime) && pPlayer->CanAttack() )

+	{

+		PrimaryAttack();

+	} 

+	else if ( (pPlayer->m_nButtons & IN_ATTACK2) && (m_flNextSecondaryAttack <= gpGlobals->curtime) && pPlayer->CanAttack() )

+	{

+		SecondaryAttack();

+	}

+	else 

+	{

+		WeaponIdle();

+	}

+}

+

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

+// Purpose :

+// Input   :

+// Output  :

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

+void CWeaponSDKMelee::PrimaryAttack()

+{

+	

+#ifndef CLIENT_DLL

+	CSDKPlayer *pPlayer = ToSDKPlayer( GetPlayerOwner() );

+	// Move other players back to history positions based on local player's lag

+	lagcompensation->StartLagCompensation( pPlayer, pPlayer->GetCurrentCommand() );

+#endif

+	Swing( false );

+#ifndef CLIENT_DLL

+	// Move other players back to history positions based on local player's lag

+	lagcompensation->FinishLagCompensation( pPlayer );

+#endif

+

+}

+

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

+// Purpose :

+// Input   :

+// Output  :

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

+void CWeaponSDKMelee::SecondaryAttack()

+{

+	Swing( true );

+}

+

+

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

+// Purpose: Implement impact function

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

+void CWeaponSDKMelee::Hit( trace_t &traceHit, Activity nHitActivity )

+{

+	CSDKPlayer *pPlayer = ToSDKPlayer( GetOwner() );

+	

+	//Do view kick

+//	AddViewKick();

+

+	CBaseEntity	*pHitEntity = traceHit.m_pEnt;

+

+	//Apply damage to a hit target

+	if ( pHitEntity != NULL )

+	{

+		Vector hitDirection;

+		pPlayer->EyeVectors( &hitDirection, NULL, NULL );

+		VectorNormalize( hitDirection );

+

+#ifndef CLIENT_DLL

+		CTakeDamageInfo info( GetOwner(), GetOwner(), GetDamageForActivity( nHitActivity ), DMG_CLUB );

+

+		if( pPlayer && pHitEntity->IsNPC() )

+		{

+			// If bonking an NPC, adjust damage.

+			info.AdjustPlayerDamageInflictedForSkillLevel();

+		}

+

+		CalculateMeleeDamageForce( &info, hitDirection, traceHit.endpos );

+

+		pHitEntity->DispatchTraceAttack( info, hitDirection, &traceHit ); 

+		ApplyMultiDamage();

+

+		// Now hit all triggers along the ray that... 

+		TraceAttackToTriggers( info, traceHit.startpos, traceHit.endpos, hitDirection );

+#endif

+		WeaponSound( MELEE_HIT );

+	}

+

+	// Apply an impact effect

+	ImpactEffect( traceHit );

+}

+

+Activity CWeaponSDKMelee::ChooseIntersectionPointAndActivity( trace_t &hitTrace, const Vector &mins, const Vector &maxs, CSDKPlayer *pOwner )

+{

+	int			i, j, k;

+	float		distance;

+	const float	*minmaxs[2] = {mins.Base(), maxs.Base()};

+	trace_t		tmpTrace;

+	Vector		vecHullEnd = hitTrace.endpos;

+	Vector		vecEnd;

+

+	distance = 1e6f;

+	Vector vecSrc = hitTrace.startpos;

+

+	vecHullEnd = vecSrc + ((vecHullEnd - vecSrc)*2);

+	UTIL_TraceLine( vecSrc, vecHullEnd, MASK_SHOT_HULL, pOwner, COLLISION_GROUP_NONE, &tmpTrace );

+	if ( tmpTrace.fraction == 1.0 )

+	{

+		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_SHOT_HULL, pOwner, COLLISION_GROUP_NONE, &tmpTrace );

+					if ( tmpTrace.fraction < 1.0 )

+					{

+						float thisDistance = (tmpTrace.endpos - vecSrc).Length();

+						if ( thisDistance < distance )

+						{

+							hitTrace = tmpTrace;

+							distance = thisDistance;

+						}

+					}

+				}

+			}

+		}

+	}

+	else

+	{

+		hitTrace = tmpTrace;

+	}

+

+

+	return ACT_VM_HITCENTER;

+}

+

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

+// Purpose: 

+// Input  : &traceHit - 

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

+bool CWeaponSDKMelee::ImpactWater( const Vector &start, const Vector &end )

+{

+	//FIXME: This doesn't handle the case of trying to splash while being underwater, but that's not going to look good

+	//		 right now anyway...

+	

+	// We must start outside the water

+	if ( UTIL_PointContents( start ) & (CONTENTS_WATER|CONTENTS_SLIME))

+		return false;

+

+	// We must end inside of water

+	if ( !(UTIL_PointContents( end ) & (CONTENTS_WATER|CONTENTS_SLIME)))

+		return false;

+

+	trace_t	waterTrace;

+

+	UTIL_TraceLine( start, end, (CONTENTS_WATER|CONTENTS_SLIME), GetOwner(), COLLISION_GROUP_NONE, &waterTrace );

+

+	if ( waterTrace.fraction < 1.0f )

+	{

+#ifndef CLIENT_DLL

+		CEffectData	data;

+

+		data.m_fFlags  = 0;

+		data.m_vOrigin = waterTrace.endpos;

+		data.m_vNormal = waterTrace.plane.normal;

+		data.m_flScale = 8.0f;

+

+		// See if we hit slime

+		if ( waterTrace.contents & CONTENTS_SLIME )

+		{

+			data.m_fFlags |= FX_WATER_IN_SLIME;

+		}

+

+		DispatchEffect( "watersplash", data );			

+#endif

+	}

+

+	return true;

+}

+

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

+// Purpose: 

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

+void CWeaponSDKMelee::ImpactEffect( trace_t &traceHit )

+{

+	// See if we hit water (we don't do the other impact effects in this case)

+	if ( ImpactWater( traceHit.startpos, traceHit.endpos ) )

+		return;

+

+	//FIXME: need new decals

+	UTIL_ImpactTrace( &traceHit, DMG_CLUB );

+}

+

+

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

+// Purpose : Starts the swing of the weapon and determines the animation

+// Input   : bIsSecondary - is this a secondary attack?

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

+void CWeaponSDKMelee::Swing( int bIsSecondary )

+{

+	trace_t traceHit;

+

+	// Try a ray

+	CSDKPlayer *pOwner = ToSDKPlayer( GetOwner() );

+	if ( !pOwner )

+		return;

+

+	Vector swingStart = pOwner->Weapon_ShootPosition( );

+	Vector forward;

+

+	pOwner->EyeVectors( &forward, NULL, NULL );

+

+	Vector swingEnd = swingStart + forward * GetRange();

+	UTIL_TraceLine( swingStart, swingEnd, MASK_SHOT_HULL, pOwner, COLLISION_GROUP_NONE, &traceHit );

+	Activity nHitActivity = ACT_VM_HITCENTER;

+

+#ifndef CLIENT_DLL

+	// Like bullets, melee traces have to trace against triggers.

+	CTakeDamageInfo triggerInfo( GetOwner(), GetOwner(), GetDamageForActivity( nHitActivity ), DMG_CLUB );

+	TraceAttackToTriggers( triggerInfo, traceHit.startpos, traceHit.endpos, vec3_origin );

+#endif

+

+	if ( traceHit.fraction == 1.0 )

+	{

+		float meleeHullRadius = 1.732f * MELEE_HULL_DIM;  // hull is +/- 16, so use cuberoot of 2 to determine how big the hull is from center to the corner point

+

+		// Back off by hull "radius"

+		swingEnd -= forward * meleeHullRadius;

+

+		UTIL_TraceHull( swingStart, swingEnd, g_meleeMins, g_meleeMaxs, MASK_SHOT_HULL, pOwner, COLLISION_GROUP_NONE, &traceHit );

+		if ( traceHit.fraction < 1.0 && traceHit.m_pEnt )

+		{

+			Vector vecToTarget = traceHit.m_pEnt->GetAbsOrigin() - swingStart;

+			VectorNormalize( vecToTarget );

+

+			float dot = vecToTarget.Dot( forward );

+

+			// YWB:  Make sure they are sort of facing the guy at least...

+			if ( dot < 0.70721f )

+			{

+				// Force amiss

+				traceHit.fraction = 1.0f;

+			}

+			else

+			{

+				nHitActivity = ChooseIntersectionPointAndActivity( traceHit, g_meleeMins, g_meleeMaxs, pOwner );

+			}

+		}

+	}

+

+	WeaponSound( SINGLE );

+

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

+	//	Miss

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

+	if ( traceHit.fraction == 1.0f )

+	{

+		nHitActivity = bIsSecondary ? ACT_VM_MISSCENTER2 : ACT_VM_MISSCENTER;

+

+		// We want to test the first swing again

+		Vector testEnd = swingStart + forward * GetRange();

+		

+		// See if we happened to hit water

+		ImpactWater( swingStart, testEnd );

+	}

+	else

+	{

+		Hit( traceHit, nHitActivity );

+	}

+

+	// Send the anim

+	SendWeaponAnim( nHitActivity );

+

+	pOwner->DoAnimationEvent( PLAYERANIMEVENT_ATTACK_PRIMARY );

+

+	//Setup our next attack times

+	m_flNextPrimaryAttack = gpGlobals->curtime + GetFireRate();

+	m_flNextSecondaryAttack = gpGlobals->curtime + SequenceDuration();

+}

+