Initial Prey Game integration support.

2026-08-21 05:02:28 +02:00 · 2026-05-05 15:01:01 -07:00
parent a6c6f1ed26
commit 8d5f678b25
552 changed files with 265551 additions and 209 deletions
@@ -0,0 +1,116 @@
+// Copyright (C) 2004 Id Software, Inc.
+//
+
+#ifndef __GAME_BRITTLEFRACTURE_H__
+#define __GAME_BRITTLEFRACTURE_H__
+
+
+/*
+===============================================================================
+
+B-rep Brittle Fracture - Static entity using the boundary representation
+of the render model which can fracture.
+
+===============================================================================
+*/
+
+typedef struct shard_s {
+	idClipModel *				clipModel;
+	idFixedWinding				winding;
+	idList<idFixedWinding *>	decals;
+	idList<bool>				edgeHasNeighbour;
+	idList<struct shard_s *>	neighbours;
+	idPhysics_RigidBody			physicsObj;
+	int							droppedTime;
+	bool						atEdge;
+	int							islandNum;
+	//HUMANHEAD rww
+	bool						isCheap;
+	//HUMANHEAD END
+} shard_t;
+
+
+class idBrittleFracture : public idEntity {
+
+public:
+	CLASS_PROTOTYPE( idBrittleFracture );
+
+								idBrittleFracture( void );
+	virtual						~idBrittleFracture( void );
+
+	void						Save( idSaveGame *savefile ) const;
+	void						Restore( idRestoreGame *savefile );
+
+	void						Spawn( void );
+
+	virtual void				Present( void );
+	virtual void				Think( void );
+	virtual void				ApplyImpulse( idEntity *ent, int id, const idVec3 &point, const idVec3 &impulse );
+	virtual void				AddForce( idEntity *ent, int id, const idVec3 &point, const idVec3 &force );
+	virtual void				AddDamageEffect( const trace_t &collision, const idVec3 &velocity, const char *damageDefName, bool broadcast = false ); //HUMANHEAD rww - added broadcast
+	virtual void				Killed( idEntity *inflictor, idEntity *attacker, int damage, const idVec3 &dir, int location );
+
+	void						ProjectDecal( const idVec3 &point, const idVec3 &dir, const int time, const char *damageDefName );
+	bool						IsBroken( void ) const;
+
+	enum {
+		EVENT_PROJECT_DECAL = idEntity::EVENT_MAXEVENTS,
+		EVENT_SHATTER,
+		EVENT_MAXEVENTS
+	};
+
+	virtual void				ClientPredictionThink( void );
+	virtual bool				ClientReceiveEvent( int event, int time, const idBitMsg &msg );
+
+private:
+	// setttings
+	const idMaterial *			material;
+	const idMaterial *			decalMaterial;
+	float						decalSize;
+	float						maxShardArea;
+	float						maxShatterRadius;
+	float						minShatterRadius;
+	float						linearVelocityScale;
+	float						angularVelocityScale;
+	float						shardMass;
+	float						density;
+	float						friction;
+	float						bouncyness;
+	idStr						fxFracture;
+	//HUMANHEAD rww
+	int							cheapShards;
+	int							cheapShardsTime;
+	//HUMANHEAD END
+
+	// state
+	idPhysics_StaticMulti		physicsObj;
+	idList<shard_t *>			shards;
+	idBounds					bounds;
+	bool						disableFracture;
+
+#if _HH_RENDERDEMO_HACKS //HUMANHEAD rww - demos need unique names per fracture entity
+	char						uniqueFractureName[64];
+#endif //HUMANHEAD END
+
+	// for rendering
+	mutable int					lastRenderEntityUpdate;
+	mutable bool				changed;
+
+	bool						UpdateRenderEntity( renderEntity_s *renderEntity, const renderView_t *renderView ) const;
+	static bool					ModelCallback( renderEntity_s *renderEntity, const renderView_t *renderView );
+
+	void						AddShard( idClipModel *clipModel, idFixedWinding &w );
+	void						RemoveShard( int index );
+	void						DropShard( shard_t *shard, const idVec3 &point, const idVec3 &dir, const float impulse, const int time );
+	void						Shatter( const idVec3 &point, const idVec3 &impulse, const int time );
+	void						DropFloatingIslands( const idVec3 &point, const idVec3 &impulse, const int time );
+	void						Break( void );
+	void						Fracture_r( idFixedWinding &w );
+	void						CreateFractures( const idRenderModel *renderModel );
+	void						FindNeighbours( void );
+
+	void						Event_Activate( idEntity *activator );
+	void						Event_Touch( idEntity *other, trace_t *trace );
+};
+
+#endif /* !__GAME_BRITTLEFRACTURE_H__ */