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App/v8world/BulletShapeCellContact.h

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+/* Copyright 2003-2005 ROBLOX Corporation, All Rights Reserved */
+
+#pragma once
+
+#include "V8World/CellContact.h"
+#include "V8World/Mesh.h"
+#include "Voxel/Util.h"
+
+#include "BulletCollision/CollisionDispatch/btCollisionDispatcher.h"
+#include "BulletCollision/CollisionDispatch/btCollisionObject.h"
+#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h"
+
+
+class btPersistentManifold;
+class bulletNPAlgorithm;
+class btConvexHullShape;
+namespace RBX {
+	class PolyConnector;
+	class BulletShapeCellConnector;
+	class BulletShapeCellContact : public CellMeshContact
+	{
+	public:
+		typedef RBX::FixedArray<BulletShapeCellConnector*, BULLET_CONTACT_ARRAY_SIZE> BulletConnectorArray;
+
+	private:
+		btCollisionAlgorithm* bulletNPAlgorithm;
+
+		btCollisionObject bulletCollisionObject; // collision object for the cell involved in contact
+
+		shared_ptr<btCollisionShape> customShape;
+
+		BulletConnectorArray polyConnectors;
+
+		World* world;
+
+		void removeAllConnectorsFromKernel();
+		void putAllConnectorsInKernel();
+		void updateClosestFeatures();
+		float worstFeatureOverlap();
+		void deleteConnectors(BulletConnectorArray& deleteConnectors);
+		void matchClosestFeatures(BulletConnectorArray& newConnectors);
+		BulletShapeCellConnector* matchClosestFeature(BulletShapeCellConnector* newConnector);
+		// Terrain Materials
+		void updateContactParemeters(btCollisionObject* cellObj, BulletConnectorArray& connectors);
+
+
+		// use a BulletShapeConnector to represent this connector (we don't need a specific BulletShapeCellConnector)
+		BulletShapeCellConnector* newBulletShapeCellConnector(btCollisionObject* bulletColObj0, btCollisionObject* bulletColObj1,
+															  btCollisionAlgorithm* algo, int manifoldIndex, int contactIndex);
+
+		void updateContactPoints();
+		void computeManifoldsWithBulletNarrowPhase(btManifoldArray& manifoldArray);
+
+		// Contact
+        void deleteAllConnectors() override;
+		int numConnectors() const override					{return polyConnectors.size();}
+        ContactConnector* getConnector(int i) override;
+        bool computeIsColliding(float overlapIgnored) override;
+        bool stepContact() override;
+
+		void invalidateContactCache() override;
+
+		void findClosestFeatures(ConnectorArray& newConnectors) override {RBXASSERT(0);} // don't use this when using btCompound Narrow Phase
+																							  // since it generates too many connectors
+		void findClosestBulletCellFeatures(BulletConnectorArray& newConnectors);
+
+	public:
+        BulletShapeCellContact(Primitive* p0, Primitive* p1, const Vector3int16& cell, World* contactWorld);
+        BulletShapeCellContact(Primitive* p0, Primitive* p1, const Vector3int32& feature, const shared_ptr<btCollisionShape>& customShape, World* contactWorld);
+		~BulletShapeCellContact();
+	};
+} // namespace