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App/v8world/BulletContact.h

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+/* Copyright 2003-2005 ROBLOX Corporation, All Rights Reserved */
+
+#pragma once
+
+#include "v8kernel/ContactConnector.h"
+#include "v8world/Contact.h"
+#include "v8world/CellContact.h"
+
+#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h"
+#include "BulletCollision/CollisionDispatch/btCollisionObject.h"
+
+class btPersistentManifold;
+
+namespace RBX {
+
+class BulletConnector: public ContactConnector, public Allocator<BulletConnector>
+{
+public:
+	BulletConnector(Body* b0, Body* b1, const ContactParams& contactParams, int manifoldIndex, int cacheIndex);
+
+	int bulletManifoldIndex;
+	int bulletPointCacheIndex;
+};
+
+typedef FixedArray<BulletConnector*, 4> BulletConnectorArray;
+
+class BulletContact: public Contact
+{
+public:
+	BulletContact(World* world, Primitive* p0, Primitive* p1);
+	~BulletContact();
+	
+	// Contact
+	void deleteAllConnectors() override;
+	int numConnectors() const override;
+	ContactConnector* getConnector(int i) override;
+
+	bool computeIsColliding(float overlapIgnored) override;
+	bool stepContact() override;
+	
+	void invalidateContactCache() override;
+
+private:
+    World* world;
+
+    btCollisionAlgorithm* algorithm;
+
+    btManifoldArray manifoldArray;
+	BulletConnectorArray connectors;
+};
+
+class BulletCellContact: public CellContact
+{
+public:
+    BulletCellContact(World* world, Primitive* p0, Primitive* p1, const Vector3int32& feature, const shared_ptr<btCollisionShape>& cellShape);
+    ~BulletCellContact();
+
+    // Contact
+    void deleteAllConnectors() override;
+    int numConnectors() const override;
+    ContactConnector* getConnector(int i) override;
+    
+    bool computeIsColliding(float overlapIgnored) override;
+    bool stepContact() override;
+    
+    void invalidateContactCache() override;
+	void onPrimitiveContactParametersChanged() override;   
+
+private:
+    World* world;
+    
+    btCollisionAlgorithm* algorithm;
+    
+    btManifoldArray manifoldArray;
+    BulletConnectorArray connectors;
+
+    btCollisionObject cellCollisionObject; // collision object for the cell involved in contact
+    shared_ptr<btCollisionShape> cellShape;
+
+	void updateContactParemeters(btCollisionObject* cellObj);
+};
+
+} // namespace