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App/v8world/GlueJoint.h

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+/* Copyright 2003-2005 ROBLOX Corporation, All Rights Reserved */
+
+#pragma once
+
+#include "V8World/MultiJoint.h"
+#include <vector>
+
+namespace RBX {
+    class Constraint;
+	class GlueJoint : public MultiJoint
+	{
+	private:
+		typedef MultiJoint Super;
+		Face faceInJointSpace;
+
+        // Used when PGS is on
+        std::vector< Constraint* > constraints;
+
+		float getMaxForce();
+
+		// Joint
+		/*override*/ JointType getJointType() const	{return Joint::GLUE_JOINT;}
+		/*override*/ bool isBreakable() const {return true;}
+        /*override*/ bool isBroken() const;
+
+		static bool compatibleSurfaces(
+						Primitive* p0, 
+						Primitive* p1, 
+						NormalId nId0, 
+						NormalId nId1);
+	protected:
+		// Edge
+		/*override*/ void putInKernel(Kernel* kernel);
+        /*override*/ void removeFromKernel();
+	public:
+		GlueJoint();
+
+		GlueJoint(
+			Primitive*	p0,
+			Primitive*	p1,
+			const CoordinateFrame& jointCoord0,
+			const CoordinateFrame& jointCoord1,
+			const Face& faceInJointSpace);
+
+		const Vector3& getFacePoint(int i) const {			// in joint space (common to both P0 and P1)
+			RBXASSERT(i >= 0 && i < 4);
+			return faceInJointSpace[i];
+		}
+
+		void setFacePoint(int i, const Vector3& value) {		// in joint space
+			RBXASSERT(i >= 0 && i < 4);
+			faceInJointSpace[i] = value;
+		}
+
+		static GlueJoint* canBuildJoint(
+				Primitive* p0, 
+				Primitive* p1, 
+				NormalId nId0, 
+				NormalId nId1);
+
+	};
+
+	class ManualGlueJoint : public GlueJoint
+	{
+	private:
+		typedef GlueJoint Super;
+		size_t surface0;	// surface from primitive 0
+		size_t surface1;	// surface from primitive 1
+
+		/*override*/ virtual JointType getJointType() const	{return MANUAL_GLUE_JOINT;}
+		/*override*/ void putInKernel(Kernel* kernel);
+		/*override*/ void computeIntersectingSurfacePoints(void);
+
+	public:
+		ManualGlueJoint()	{surface0 = (size_t)-1; surface1 = (size_t)-1;}
+		ManualGlueJoint(size_t s0, size_t s1, Primitive* prim0, Primitive* prim1, const CoordinateFrame& c0, const CoordinateFrame &c1, const Face& faceInJointSpace) 
+			: GlueJoint(prim0, prim1, c0, c1, faceInJointSpace)
+		{surface0 = s0; surface1 = s1;}
+
+		~ManualGlueJoint() {}
+		
+		size_t getSurface0(void) const {return surface0;}
+		size_t getSurface1(void) const {return surface1;}
+		void setSurface0(size_t surfId) {surface0 = surfId;}
+		void setSurface1(size_t surfId) {surface1 = surfId;}
+	};
+
+
+} // namespace