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74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
/* Copyright 2003-2005 ROBLOX Corporation, All Rights Reserved */
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#pragma once
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#include "V8Tree/Instance.h"
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namespace RBX {
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class Joint;
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class PartInstance;
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class ContactManager;
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class RunDragger;
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extern const char* const sLuaDragger;
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class LuaDragger
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: public DescribedCreatable<LuaDragger, Instance, sLuaDragger>
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{
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private:
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typedef enum {NO_PARTS, MOUSE_DOWN, DRAGGING, MOUSE_UP_DRAGGED, MOUSE_UP_NO_DRAG} DragPhase;
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DragPhase dragPhase;
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std::vector<shared_ptr<Joint> > jointsIMade;
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weak_ptr<PartInstance> rootPart;
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std::auto_ptr<RunDragger> runDragger; // only if we have one part
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float hitPointHeight;
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typedef std::vector<weak_ptr<PartInstance> > WeakParts;
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WeakParts dragParts;
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weak_ptr<PartInstance> mousePart;
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Vector3 pointOnMousePart;
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void tryStartDragging(const RbxRay& unitMouseRay);
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void startDragging();
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void doDrag(const RbxRay& unitMouseRay);
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bool getSnapHitPoint(PartInstance* part, const RbxRay& unitMouseRay, Vector3& hitPoint);
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ContactManager& getContactManager(PartInstance* partInstance);
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const float breakFreeDistance() {return 1.5f;} // distance in studs at the mouse down point before movement
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void addPart(shared_ptr<const Instance> part);
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/*override*/ bool askSetParent(const Instance* instance) const { return false; }
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public:
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LuaDragger();
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~LuaDragger();
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void mouseDownPublic(shared_ptr<Instance> _mousePart,
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Vector3 _pointOnMousePart,
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shared_ptr<const Instances> _dragParts);
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void mouseDown( shared_ptr<PartInstance> _mousePart,
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const Vector3& _pointOnMousePart,
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const std::vector<weak_ptr<PartInstance> > _dragParts);
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void mouseMove(RbxRay mouseRay); // inefficient, but easier to have just one version
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void mouseUp();
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const WeakParts& getParts() {return dragParts;}
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void rotateOnSnapFace(Vector3::Axis, const Matrix3& rotMatrix);
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void axisRotate(Vector3::Axis axis);
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bool isDragging() const {return dragPhase == DRAGGING;}
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bool didDrag() const {return dragPhase == MOUSE_UP_DRAGGED;}
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void alignPartToGrid( void );
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};
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} // namespace RBX
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