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game/server/tf2/tf_shield_flat.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "tf_shield_flat.h"
+#include "tf_shieldshared.h"
+
+
+//-----------------------------------------------------------------------------
+// Data tables
+//-----------------------------------------------------------------------------
+LINK_ENTITY_TO_CLASS( shield_flat, CShieldFlat );
+
+IMPLEMENT_SERVERCLASS_ST(CShieldFlat, DT_Shield_Flat)
+
+	SendPropInt		(SENDINFO(m_ShieldState),	2, SPROP_UNSIGNED ),
+	SendPropFloat	(SENDINFO(m_Width), 8, 0, 0, 256 ),
+	SendPropFloat	(SENDINFO(m_Height), 8, 0, 0, 256 ),
+
+END_SEND_TABLE()
+
+
+//-----------------------------------------------------------------------------
+// Spawn
+//-----------------------------------------------------------------------------
+void CShieldFlat::Spawn( )
+{
+	BaseClass::Spawn();
+	m_ShieldState = 0;
+	ShieldMoved();
+}
+
+
+//-----------------------------------------------------------------------------
+// Computes the shield bounding box
+//-----------------------------------------------------------------------------
+void CShieldFlat::ShieldMoved( void )
+{
+	Vector forward, right, up;
+	AngleVectors( GetAbsAngles(), &forward, &right, &up );
+
+	VectorMA( GetAbsOrigin(), -m_Width * 0.5, right, m_Pos[0] );
+	VectorMA( m_Pos[0], -m_Height * 0.5, up, m_Pos[0] );
+	VectorMA( m_Pos[0], m_Width, right, m_Pos[1] );
+	VectorMA( m_Pos[0], m_Height, up, m_Pos[2] );
+	VectorMA( m_Pos[2], m_Width, right, m_Pos[3] );
+
+	m_LastAngles = GetAbsAngles();
+	m_LastPosition = GetAbsOrigin();
+}
+
+
+//-----------------------------------------------------------------------------
+// Shield size
+//-----------------------------------------------------------------------------
+void CShieldFlat::SetSize( float w, float h )
+{
+	m_Width = w;
+	m_Height = h;
+	Vector mins( -1.0/16.0f, -w * 0.5f, -h * 0.5f );
+	Vector maxs(  1.0/16.0f,  w * 0.5f,  h * 0.5f );
+	UTIL_SetSize( this, mins, maxs );
+	ShieldMoved();
+}
+
+
+//-----------------------------------------------------------------------------
+// Compute world axis-aligned bounding box
+//-----------------------------------------------------------------------------
+void CShieldFlat::ComputeWorldSpaceSurroundingBox( Vector *pWorldMins, Vector *pWorldMaxs )
+{
+	TransformAABB( CollisionProp()->CollisionToWorldTransform(), 
+		CollisionProp()->OBBMins(), CollisionProp()->OBBMaxs(), *pWorldMins, *pWorldMaxs );
+}
+
+
+//-----------------------------------------------------------------------------
+// Shield points
+//-----------------------------------------------------------------------------
+const Vector& CShieldFlat::GetPoint( int x, int y ) 
+{
+	if ((m_LastAngles != GetAbsAngles()) || (m_LastPosition != GetAbsOrigin() ))
+	{
+		ShieldMoved();
+	}
+
+	int i = (x >= 1);
+	i += (y >= 1) * 2;
+	return m_Pos[i];
+}
+
+
+//-----------------------------------------------------------------------------
+// Called when the shield is EMPed
+//-----------------------------------------------------------------------------
+void CShieldFlat::SetEMPed( bool isEmped )
+{
+	CShield::SetEMPed(isEmped);
+	if (IsEMPed())
+	{
+		m_ShieldState |= SHIELD_FLAT_EMP;
+	}
+	else
+	{
+		m_ShieldState &= ~SHIELD_FLAT_EMP;
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Shield is killed here
+//-----------------------------------------------------------------------------
+void CShieldFlat::Activate( bool active )
+{
+	if (active)
+	{
+		m_ShieldState &= ~SHIELD_FLAT_INACTIVE;
+	}
+	else
+	{
+		m_ShieldState |= SHIELD_FLAT_INACTIVE;
+	}
+	ActivateCollisions( active );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Create a mobile version of the shield
+//-----------------------------------------------------------------------------
+CShieldFlat* CreateFlatShield( CBaseEntity *pOwner, float w, float h, const Vector& relOrigin, const QAngle &relAngles )
+{
+	CShieldFlat *pShield = (CShieldFlat*)CreateEntityByName("shield_flat");
+
+	pShield->SetParent( pOwner );
+	pShield->SetOwnerEntity( pOwner );
+	UTIL_SetOrigin( pShield, relOrigin );
+
+	// Compute relative angles....
+	pShield->SetLocalAngles( relAngles );
+	pShield->ChangeTeam( pOwner->GetTeamNumber() );
+	pShield->Spawn();
+	pShield->SetSize( w , h );
+
+	return pShield;
+}
+