104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
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#ifndef __GAME_BRITTLEFRACTURE_H__
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#define __GAME_BRITTLEFRACTURE_H__
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/*
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===============================================================================
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B-rep Brittle Fracture - Static entity using the boundary representation
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of the render model which can fracture.
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===============================================================================
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*/
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typedef struct shard_s {
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idClipModel * clipModel;
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idFixedWinding winding;
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idList<idFixedWinding *> decals;
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idList<bool> edgeHasNeighbour;
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idList<struct shard_s *> neighbours;
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idPhysics_RigidBody physicsObj;
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int droppedTime;
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bool atEdge;
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int islandNum;
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} shard_t;
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class idBrittleFracture : public idEntity {
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public:
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CLASS_PROTOTYPE( idBrittleFracture );
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idBrittleFracture( void );
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virtual ~idBrittleFracture( void );
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void Save( idSaveGame *savefile ) const;
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void Restore( idRestoreGame *savefile );
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void Spawn( void );
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virtual void Present( void );
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virtual void Think( void );
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virtual void ApplyImpulse( idEntity *ent, int id, const idVec3 &point, const idVec3 &impulse, bool splash = false );
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virtual void AddForce( idEntity *ent, int id, const idVec3 &point, const idVec3 &force );
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virtual void AddDamageEffect( const trace_t &collision, const idVec3 &velocity, const char *damageDefName, idEntity* inflictor );
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virtual void Killed( idEntity *inflictor, idEntity *attacker, int damage, const idVec3 &dir, int location );
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void ProjectDecal( const idVec3 &point, const idVec3 &dir, const int time, const char *damageDefName );
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bool IsBroken( void ) const;
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enum {
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EVENT_PROJECT_DECAL = idEntity::EVENT_MAXEVENTS,
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EVENT_SHATTER,
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EVENT_MAXEVENTS
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};
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virtual void ClientPredictionThink( void );
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virtual bool ClientReceiveEvent( int event, int time, const idBitMsg &msg );
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private:
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// setttings
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const idMaterial * material;
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const idMaterial * decalMaterial;
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float decalSize;
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float maxShardArea;
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float maxShatterRadius;
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float minShatterRadius;
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float linearVelocityScale;
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float angularVelocityScale;
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float shardMass;
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float density;
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float friction;
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float bouncyness;
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idStr fxFracture;
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// state
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idPhysics_StaticMulti physicsObj;
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idList<shard_t *> shards;
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idBounds bounds;
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bool disableFracture;
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// for rendering
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mutable int lastRenderEntityUpdate;
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mutable bool changed;
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bool UpdateRenderEntity( renderEntity_s *renderEntity, const renderView_t *renderView ) const;
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static bool ModelCallback( renderEntity_s *renderEntity, const renderView_t *renderView );
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void AddShard( idClipModel *clipModel, idFixedWinding &w );
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void RemoveShard( int index );
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void DropShard( shard_t *shard, const idVec3 &point, const idVec3 &dir, const float impulse, const int time );
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void Shatter( const idVec3 &point, const idVec3 &impulse, const int time );
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void DropFloatingIslands( const idVec3 &point, const idVec3 &impulse, const int time );
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void Break( void );
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void Fracture_r( idFixedWinding &w );
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void CreateFractures( const idRenderModel *renderModel );
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void FindNeighbours( void );
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void Event_Activate( idEntity *activator );
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void Event_Touch( idEntity *other, trace_t *trace );
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};
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#endif /* !__GAME_BRITTLEFRACTURE_H__ */
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