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f0bcdd7a9f
git-svn-id: https://unknownworlds.svn.cloudforge.com/ns1@266 67975925-1194-0748-b3d5-c16f83f1a3a1
104 lines
No EOL
4.5 KiB
C++
104 lines
No EOL
4.5 KiB
C++
#ifndef COLLISIONCHECKER_H
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#define COLLISIONCHECKER_H
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//-----------------------------------------------------------------------------
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// Begin NS collision detection replacement
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//
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// Class is not reentrant, declare 1 per thread if necessary
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// Implementation is split into three files -- [x]Shared, [x]Client, and [x]Server
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// Client and Server code provides identical functionality under the same function
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// names, but are written to address the peculiarities of each environment
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//-----------------------------------------------------------------------------
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typedef float nspoint_t[3]; //do this because vec3_t is inconsistantly defined.
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struct OBBox
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{
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nspoint_t mExtents;
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nspoint_t mOrigin;
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nspoint_t mAxis[3];
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};
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class CollisionTest; //implemented internally for each collision hull type/shape
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class CollisionChecker
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{
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public:
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CollisionChecker(const playermove_t* pmove);
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CollisionChecker(const playermove_t* pmove, int ns_hull_number, int hull_type_mask, bool ignore_players, int ignore_entity_class, int entity_index_to_ignore);
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void SetIgnorePlayers(bool ignore_players);
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void SetIgnoreEntityClass(int ignore_entity_class);
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void SetEntityToIgnore(int entity_index_to_ignore);
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void ClearEntityToIgnore(void);
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void SetHullNumber(int ns_hull_number);
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void SetHullTypeMask(int hull_type_mask);
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int GetContentsAtPoint(const nspoint_t& point) const;
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int GetSingleEntityContentsAtPoint(const nspoint_t& point, int pmove_index) const;
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int GetWorldContentsAtPoint(const nspoint_t& point) const;
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int GetAllEntityContentsAtPoint(const nspoint_t& point) const;
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int GetContentsInAABB(const nspoint_t& mins, const nspoint_t& maxs) const;
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int GetSingleEntityContentsInAABB(const nspoint_t& mins, const nspoint_t& maxs, int entity_index) const;
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int GetWorldContentsInAABB(const nspoint_t& mins, const nspoint_t& maxs) const;
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int GetAllEntityContentsInAABB(const nspoint_t& mins, const nspoint_t& maxs) const;
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int GetContentsInOBB(const OBBox& bounding_box) const;
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int GetSingleEntityConentsInOBB(const OBBox& bounding_box, int entity_index) const;
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int GetWorldContentsInOBB(const OBBox& bounding_box) const;
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int GetAllEntityContentsInOBB(const OBBox& bounding_box) const;
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int GetContentsInSphere(const nspoint_t& origin, const float radius) const;
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int GetSingleEntityContentsInSphere(const nspoint_t& origin, const float radius, int entity_index) const;
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int GetWorldContentsInSphere(const nspoint_t& origin, const float radius) const;
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int GetAllEntityContentsInSphere(const nspoint_t& origin, const float radius) const;
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int GetContentsInCylinder(const nspoint_t& base, const float radius, const float height) const;
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int GetSingleEntityContentsInCylinder(const nspoint_t& base, const float radius, const float height, int entity_index) const;
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int GetWorldContentsInCylinder(const nspoint_t& base, const float radius, const float height) const;
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int GetAllEntityContentsInCylinder(const nspoint_t& base, const float radius, const float height) const;
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//for use in passing values into the system
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const static int NO_ENTITY;
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const static int WORLD_ENTITY;
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const static int IGNORE_NONE;
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const static int IGNORE_INVISIBLE;
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const static int IGNORE_INTANGIBLE;
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const static bool IGNORE_PLAYERS_FALSE;
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const static bool IGNORE_PLAYERS_TRUE;
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//for use in internal tests
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const static int INTERSECTION_RELATION_NONE;
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const static int INTERSECTION_RELATION_FRONT;
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const static int INTERSECTION_RELATION_BACK;
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const static int INTERSECTION_RELATION_BOTH;
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const static int HULL_TYPE_BSP;
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const static int HULL_TYPE_BBOX;
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const static int HULL_TYPE_ALL;
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private:
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int CombineContents(const int old_contents, const int new_contents) const;
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int GetHullContent(const hull_t* hull, int current_node, const CollisionTest* test) const;
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int GetContents(const CollisionTest* test) const;
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int GetSingleEntityContents(const CollisionTest* test, int entity_index) const;
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int GetAllEntityContents(const CollisionTest* test) const;
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//client/server specific
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void UpdateNumEntities() const; //called once per GetAllEntityContents, sets internal entity counter
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const physent_t* GetPhysentForIndex(int entity_index) const; //called by GetSingleEntityContents
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const playermove_t* pmove_;
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mutable physent_t local_ent;
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bool ignore_players_;
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int entity_index_to_ignore_;
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int valve_hull_number_;
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int ignore_entity_class_;
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int hull_type_mask_;
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mutable int entity_count_;
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mutable std::vector<int> intersected_nodes_; //used for DFS hull intersect code
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};
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#endif |