initial

game/server/player_pickup.cpp

@@ -0,0 +1,179 @@
+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cbase.h"
+#include "player_pickup.h"
+
+#ifdef PORTAL
+#include "portal_player.h"
+#endif
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+// player pickup utility routine
+void Pickup_ForcePlayerToDropThisObject( CBaseEntity *pTarget )
+{
+	if ( pTarget == NULL )
+		return;
+
+	IPhysicsObject *pPhysics = pTarget->VPhysicsGetObject();
+	
+	if ( pPhysics == NULL )
+		return;
+
+	if ( pPhysics->GetGameFlags() & FVPHYSICS_PLAYER_HELD )
+	{
+		CBasePlayer *pPlayer = UTIL_GetLocalPlayer();
+		pPlayer->ForceDropOfCarriedPhysObjects( pTarget );
+	}
+}
+
+
+void Pickup_OnPhysGunDrop( CBaseEntity *pDroppedObject, CBasePlayer *pPlayer, PhysGunDrop_t Reason )
+{
+	IPlayerPickupVPhysics *pPickup = dynamic_cast<IPlayerPickupVPhysics *>(pDroppedObject);
+	if ( pPickup )
+	{
+		pPickup->OnPhysGunDrop( pPlayer, Reason );
+	}
+}
+
+
+void Pickup_OnPhysGunPickup( CBaseEntity *pPickedUpObject, CBasePlayer *pPlayer, PhysGunPickup_t reason )
+{
+	IPlayerPickupVPhysics *pPickup = dynamic_cast<IPlayerPickupVPhysics *>(pPickedUpObject);
+	if ( pPickup )
+	{
+		pPickup->OnPhysGunPickup( pPlayer, reason );
+	}
+
+	// send phys gun pickup item event, but only in single player
+	if ( !g_pGameRules->IsMultiplayer() )
+	{
+		IGameEvent *event = gameeventmanager->CreateEvent( "physgun_pickup" );
+		if ( event )
+		{
+			event->SetInt( "entindex", pPickedUpObject->entindex() );
+			gameeventmanager->FireEvent( event );
+		}
+	}
+}
+
+bool Pickup_OnAttemptPhysGunPickup( CBaseEntity *pPickedUpObject, CBasePlayer *pPlayer, PhysGunPickup_t reason )
+{
+	IPlayerPickupVPhysics *pPickup = dynamic_cast<IPlayerPickupVPhysics *>(pPickedUpObject);
+	if ( pPickup )
+	{
+		return pPickup->OnAttemptPhysGunPickup( pPlayer, reason );
+	}
+	return true;
+}
+
+CBaseEntity	*Pickup_OnFailedPhysGunPickup( CBaseEntity *pPickedUpObject, Vector vPhysgunPos )
+{
+	IPlayerPickupVPhysics *pPickup = dynamic_cast<IPlayerPickupVPhysics *>(pPickedUpObject);
+	if ( pPickup )
+	{
+		return pPickup->OnFailedPhysGunPickup( vPhysgunPos );
+	}
+
+	return NULL;
+}
+
+bool Pickup_GetPreferredCarryAngles( CBaseEntity *pObject, CBasePlayer *pPlayer, matrix3x4_t &localToWorld, QAngle &outputAnglesWorldSpace )
+{
+	IPlayerPickupVPhysics *pPickup = dynamic_cast<IPlayerPickupVPhysics *>(pObject);
+	if ( pPickup )
+	{
+		if ( pPickup->HasPreferredCarryAnglesForPlayer( pPlayer ) )
+		{
+			outputAnglesWorldSpace = TransformAnglesToWorldSpace( pPickup->PreferredCarryAngles(), localToWorld );
+			return true;
+		}
+	}
+	return false;
+}
+
+bool Pickup_ForcePhysGunOpen( CBaseEntity *pObject, CBasePlayer *pPlayer )
+{
+	IPlayerPickupVPhysics *pPickup = dynamic_cast<IPlayerPickupVPhysics *>(pObject);
+	if ( pPickup )
+	{
+		return pPickup->ForcePhysgunOpen( pPlayer );
+	}
+	return false;
+}
+
+AngularImpulse Pickup_PhysGunLaunchAngularImpulse( CBaseEntity *pObject, PhysGunForce_t reason )
+{
+	IPlayerPickupVPhysics *pPickup = dynamic_cast<IPlayerPickupVPhysics *>(pObject);
+	if ( pPickup != NULL && pPickup->ShouldPuntUseLaunchForces( reason ) )
+	{
+		return pPickup->PhysGunLaunchAngularImpulse();
+	}
+	return RandomAngularImpulse( -600, 600 );
+}
+
+Vector Pickup_DefaultPhysGunLaunchVelocity( const Vector &vecForward, float flMass )
+{
+#ifdef HL2_DLL
+	// Calculate the velocity based on physcannon rules
+	float flForceMax = physcannon_maxforce.GetFloat();
+	float flForce = flForceMax;
+
+	float mass = flMass;
+	if ( mass > 100 )
+	{
+		mass = MIN( mass, 1000 );
+		float flForceMin = physcannon_minforce.GetFloat();
+		flForce = SimpleSplineRemapValClamped( mass, 100, 600, flForceMax, flForceMin );
+	}
+
+	return ( vecForward * flForce );
+#endif
+
+	// Do the simple calculation
+	return ( vecForward * flMass );
+}
+
+Vector Pickup_PhysGunLaunchVelocity( CBaseEntity *pObject, const Vector &vecForward, PhysGunForce_t reason )
+{
+	// The object must be valid
+	if ( pObject == NULL )
+	{
+		Assert( 0 );
+		return vec3_origin;
+	}
+
+	// Shouldn't ever get here with a non-vphysics object.
+	IPhysicsObject *pPhysicsObject = pObject->VPhysicsGetObject();
+	if ( pPhysicsObject == NULL )
+	{
+		Assert( 0 );
+		return vec3_origin;
+	}
+
+	// Call the pickup entity's callback
+	IPlayerPickupVPhysics *pPickup = dynamic_cast<IPlayerPickupVPhysics *>(pObject);
+	if ( pPickup != NULL && pPickup->ShouldPuntUseLaunchForces( reason ) )
+		return pPickup->PhysGunLaunchVelocity( vecForward, pPhysicsObject->GetMass() );
+
+	// Do our default behavior
+	return Pickup_DefaultPhysGunLaunchVelocity(	vecForward, pPhysicsObject->GetMass() );
+}
+
+bool Pickup_ShouldPuntUseLaunchForces( CBaseEntity *pObject, PhysGunForce_t reason )
+{
+	IPlayerPickupVPhysics *pPickup = dynamic_cast<IPlayerPickupVPhysics *>(pObject);
+	if ( pPickup )
+	{
+		return pPickup->ShouldPuntUseLaunchForces( reason );
+	}
+	return false;
+}
+