From 7a373c3f1fb8ea9dbef7690154bbe332fc386eca Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Mon, 18 Oct 2010 23:41:41 +0000
Subject: bullet ActionInterface for controlable entities, KeepAlive flag and
 g_keepalive

---
 src/core/entity.h | 53 +++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 45 insertions(+), 8 deletions(-)

(limited to 'src/core/entity.h')

diff --git a/src/core/entity.h b/src/core/entity.h
index 057ffb2..f6ee1d7 100644
--- a/src/core/entity.h
+++ b/src/core/entity.h
@@ -41,8 +41,10 @@ class Entity : public Label
 	friend class Extension;
 
 public:
-	/// Entity flags
-	enum Flags {Static = 1, Solid = 2, Bright = 4, Dockable = 8, ShowOnMap = 16};
+	/**
+	 * @brief entity flags
+	 */
+	enum Flags {Static = 1, Solid = 2, Bright = 4, Dockable = 8, ShowOnMap = 16, KeepAlive = 32};
 
 	/// Entity type constants
 	enum Type {Default = 0, Dynamic = 1, Controlable = 2, Globe = 3};
@@ -492,7 +494,17 @@ public:
 		return entity_timer;
 	}
 
-/*----- mutators -------------------------------------------------- */
+	/// time when the entity was last alive
+	inline const float keepalive_time() const {
+		return entity_keepalive_time;
+	}
+	
+	/// keepalive timeout
+	inline const float keepalive_timeout() const {
+		return entity_keepalive_timeout;
+	}	
+	
+	/*----- mutators -------------------------------------------------- */
 
 	/// mass of the entity
 	inline void set_mass(const float mass) {
@@ -528,6 +540,12 @@ public:
 
 	/// set event state
 	virtual void set_state(int state);
+	
+	/// set the time when the entity was last alive, in game time seconds
+	void set_keepalive_time(float time);
+	
+	/// set the timeout after which the entitie is deleted, in seconds
+	void set_keepalive_timeout(float timeout);
 
 	/// runs one game frame for the entity
 	/**
@@ -542,6 +560,8 @@ public:
 	virtual void reset();
 
 protected:
+	float			entity_keepalive_time;
+	float			entity_keepalive_timeout;
 	float			entity_timer;
 	int			entity_state;
 };
@@ -551,6 +571,20 @@ class EntityControlable : public EntityDynamic
 {
 	friend class Player;
 public:
+	/// bullet action interface class
+	class ActionInterface: public btActionInterface {
+	public:
+		ActionInterface(EntityControlable *entity);
+		virtual ~ActionInterface();
+ 
+         	virtual void updateAction( btCollisionWorld* collisionWorld, btScalar deltaTimeStep);
+ 
+         	virtual void debugDraw(btIDebugDraw* debugDrawer);
+		
+	private:
+		EntityControlable *actioninterface_entity;
+	};
+	
 	/// server-side constructor, create a controlable entity
 	EntityControlable();
 
@@ -581,9 +615,9 @@ public:
 		return entity_movement;
 	}
 
-	/// physics  vehicle container
-	inline btRaycastVehicle *vehicle() {
-		return entity_vehicle;
+	/// physics action
+	inline ActionInterface *actioninterface() {
+		return entity_actioninterface;
 	}
 	
 	/*----- serializers ----------------------------------------------- */
@@ -655,6 +689,10 @@ public:
 	float			entity_thrust;
 
 protected:
+	
+	/// physics action interface callback
+	virtual void action (btScalar seconds);
+	
 	/* target_ variables can be set by the client */
 	
 	/**
@@ -688,8 +726,7 @@ protected:
 
 	float 			entity_movement;
 
-	btRaycastVehicle::btVehicleTuning entity_vehicletuning;
-	btRaycastVehicle	*entity_vehicle;
+	ActionInterface		*entity_actioninterface;	
 	
 private:
 	// owner of the entity
-- 
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