initial

public/gametrace.h

@@ -0,0 +1,111 @@
+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef GAMETRACE_H
+#define GAMETRACE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "cmodel.h"
+#include "utlvector.h"
+#include "ihandleentity.h"
+#include "ispatialpartition.h"
+
+#if defined( CLIENT_DLL )
+	class C_BaseEntity;
+#else
+	class CBaseEntity;
+#endif
+
+
+//-----------------------------------------------------------------------------
+// Purpose: A trace is returned when a box is swept through the world
+// NOTE: eventually more of this class should be moved up into the base class!!
+//-----------------------------------------------------------------------------
+class CGameTrace : public CBaseTrace
+{
+public:
+
+	// Returns true if hEnt points at the world entity.
+	// If this returns true, then you can't use GetHitBoxIndex().
+	bool DidHitWorld() const;
+	
+	// Returns true if we hit something and it wasn't the world.
+	bool DidHitNonWorldEntity() const;
+
+	// Gets the entity's network index if the trace has hit an entity.
+	// If not, returns -1.
+	int GetEntityIndex() const;
+
+	// Returns true if there was any kind of impact at all
+	bool DidHit() const;
+
+	// The engine doesn't know what a CBaseEntity is, so it has a backdoor to 
+	// let it get at the edict.
+#if defined( ENGINE_DLL )
+	void SetEdict( edict_t *pEdict );
+	edict_t* GetEdict() const;
+#endif	
+
+
+public:
+
+	float			fractionleftsolid;	// time we left a solid, only valid if we started in solid
+	csurface_t		surface;			// surface hit (impact surface)
+
+	int				hitgroup;			// 0 == generic, non-zero is specific body part
+
+	short			physicsbone;		// physics bone hit by trace in studio
+	unsigned short	worldSurfaceIndex;	// Index of the msurface2_t, if applicable
+
+#if defined( CLIENT_DLL )
+		C_BaseEntity *m_pEnt;
+#else
+		CBaseEntity *m_pEnt;
+#endif
+
+	// NOTE: this member is overloaded.
+	// If hEnt points at the world entity, then this is the static prop index.
+	// Otherwise, this is the hitbox index.
+	int			hitbox;					// box hit by trace in studio
+
+	CGameTrace() : m_pEnt(NULL) {}
+
+private:
+	// No copy constructors allowed
+	CGameTrace(const CGameTrace& vOther);
+};
+
+
+//-----------------------------------------------------------------------------
+// Returns true if there was any kind of impact at all
+//-----------------------------------------------------------------------------
+inline bool CGameTrace::DidHit() const 
+{ 
+	return fraction < 1 || allsolid || startsolid; 
+}
+
+
+typedef CGameTrace trace_t;
+
+//=============================================================================
+
+class ITraceListData
+{
+public:
+	virtual ~ITraceListData() {}
+
+	virtual void Reset() = 0;
+	virtual bool IsEmpty() = 0;
+	// CanTraceRay will return true if the current volume encloses the ray
+	// NOTE: The leaflist trace will NOT check this.  Traces are intersected
+	// against the culled volume exclusively.
+	virtual bool CanTraceRay( const Ray_t &ray ) = 0;
+};
+#endif // GAMETRACE_H
+