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public/cmodel.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef CMODEL_H
+#define CMODEL_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "trace.h"
+#include "tier0/dbg.h"
+#include "basehandle.h"
+
+struct edict_t;
+struct model_t;
+
+/*
+==============================================================
+
+COLLISION DETECTION
+
+==============================================================
+*/
+
+#include "bspflags.h"
+//#include "mathlib/vector.h"
+
+// gi.BoxEdicts() can return a list of either solid or trigger entities
+// FIXME: eliminate AREA_ distinction?
+#define	AREA_SOLID		1
+#define	AREA_TRIGGERS	2
+
+#include "vcollide.h"
+
+struct cmodel_t
+{
+	Vector		mins, maxs;
+	Vector		origin;		// for sounds or lights
+	int			headnode;
+
+	vcollide_t	vcollisionData;
+};
+
+struct csurface_t
+{
+	const char	*name;
+	short		surfaceProps;
+	unsigned short	flags;		// BUGBUG: These are declared per surface, not per material, but this database is per-material now
+};
+
+//-----------------------------------------------------------------------------
+// A ray...
+//-----------------------------------------------------------------------------
+
+struct Ray_t
+{
+	VectorAligned  m_Start;	// starting point, centered within the extents
+	VectorAligned  m_Delta;	// direction + length of the ray
+	VectorAligned  m_StartOffset;	// Add this to m_Start to get the actual ray start
+	VectorAligned  m_Extents;	// Describes an axis aligned box extruded along a ray
+	bool	m_IsRay;	// are the extents zero?
+	bool	m_IsSwept;	// is delta != 0?
+
+	void Init( Vector const& start, Vector const& end )
+	{
+		VectorSubtract( end, start, m_Delta );
+
+		m_IsSwept = (m_Delta.LengthSqr() != 0);
+
+		VectorClear( m_Extents );
+		m_IsRay = true;
+
+		// Offset m_Start to be in the center of the box...
+		VectorClear( m_StartOffset );
+		VectorCopy( start, m_Start );
+	}
+
+	void Init( Vector const& start, Vector const& end, Vector const& mins, Vector const& maxs )
+	{
+		VectorSubtract( end, start, m_Delta );
+
+		m_IsSwept = (m_Delta.LengthSqr() != 0);
+
+		VectorSubtract( maxs, mins, m_Extents );
+		m_Extents *= 0.5f;
+		m_IsRay = (m_Extents.LengthSqr() < 1e-6);
+
+		// Offset m_Start to be in the center of the box...
+		VectorAdd( mins, maxs, m_StartOffset );
+		m_StartOffset *= 0.5f;
+		VectorAdd( start, m_StartOffset, m_Start );
+		m_StartOffset *= -1.0f;
+	}
+
+	// compute inverse delta
+	Vector InvDelta() const
+	{
+		Vector vecInvDelta;
+		for ( int iAxis = 0; iAxis < 3; ++iAxis )
+		{
+			if ( m_Delta[iAxis] != 0.0f )
+			{
+				vecInvDelta[iAxis] = 1.0f / m_Delta[iAxis];
+			}
+			else
+			{
+				vecInvDelta[iAxis] = FLT_MAX;
+			}
+		}
+		return vecInvDelta;
+	}
+
+private:
+};
+
+
+#endif // CMODEL_H
+
+	
+#include "gametrace.h"
+