fiore@3: #pragma once
fiore@3: #include "stdAfx.h"
fiore@3: #include <time.h>
fiore@3: #include "HapticException.h"
fiore@3: #include "CollectionsManager.h"
fiore@3: 
fiore@3: #define NOVIBRATION
fiore@3: 
fiore@3: /* The haptic manager draws the diagram openGL scene haptically.    *
fiore@3:  * In order to get all the data about the diagram it's constructed  *
fiore@3:  * passing a reference to the CollectionManager                     */
fiore@3: class HapticManager
fiore@3: {
fiore@3: 	enum AttractionStatus  {START_ATTRACTION, DOING_ATTRACTION, NO_ATTRACTION, STOP_ATTRACTION};
fiore@3: 	enum SpringStatus { DRAGGING, RELEASED, START_DRAGGING, STOP_DRAGGING };
fiore@3: 	enum VibrationStatus { START_VIBRATION , DOING_VIBRATION , NO_VIBRATION, CAN_VIBRATE};
fiore@3: 	
fiore@3: 
fiore@3: 	/* Haptic device and rendering context handles. */
fiore@3: 	HLuint wall1Id;
fiore@3: 	HLuint wall2Id;
fiore@3: 	HLuint frictionFX;
fiore@3: 	HLuint vibrationFX;
fiore@3: 	HLuint attractionFX;
fiore@3: 	HLuint springFX;
fiore@3: 	VibrationStatus vibrationStatus;
fiore@3: 	AttractionStatus attractionStatus; 
fiore@3: 	SpringStatus springStatus;
fiore@3: #ifdef VIBRATION
fiore@3: 	static const HDdouble VIBRATION_AMPLITUDE;
fiore@3: 	static const HDint VIBRATION_FREQUENCY;
fiore@3: 	static const unsigned int VIBRATION_DURATION;
fiore@3: #endif	
fiore@3: 	static const double EDGE_SHORTEND_VAL;
fiore@3: 	static const double EDGE_SPEECH_DISTANCE_WHEN_LEAVING_NODE;
fiore@3: 	static const unsigned int CLICK_INTERVAL;
fiore@3: 	clock_t clickStart;
fiore@3: 	clock_t vibrationEnd;
fiore@3: 	HDdouble forceBeforeVibration[3];
fiore@3: 	CollectionsManager *collectionsManager;
fiore@3: 	bool wall;
fiore@3: 	jint attractToHapticId;
fiore@3: 	bool alreadyTouchingAttractingElement;
fiore@3: 	jdouble attractToCoord[3];
fiore@3: 	// this is needed to calulate the distance between the proxy and the last touched node
fiore@3: 	HLdouble lastTouchedNodePosition[3];
fiore@3: 	HLint lastTouchedNodeID;
fiore@3: 	HLint lastTouchedEdgeID;
fiore@3: 	jint lastTouchedEdgeStipplePattern;
fiore@3: 	HLint lastHighlightElementID;
fiore@3: 	HLint draggedElementID;
fiore@3: 	/* when dropping a node after moving it, unless one detouches and touches again the node, 
fiore@3: 		the hlGetShapeBooleanv(HL_PROXY_IS_TOUCHING) routine will return a false value when
fiore@3: 		one tries to hook the node again. Even tough the touch and untouch callback are called
fiore@3: 		correctly. this variable keeps track of the last moved element, setting it to HL_OBJECT_ANY
fiore@3: 		on the detouch callback so that this "buggy" behaviour is worked around
fiore@3: 	*/
fiore@3: 	HLuint lastMovedElement;
fiore@3: 	bool stillTouchingLastMovedElement;
fiore@3: 	/*  this variable is to workaround the HL_PROXY_IS_TOUCHNIG problem to fix issue of stipple pattern:
fiore@3: 		when dropping a node after having picked it up, then the hlGetShapeBooleanv may return false 
fiore@3: 		for all the edges attached to a moved node or for a moved edge. Because of that the stipple 
fiore@3: 		pattern for dotted and dashed lines might not be enabled. The check is however necessary to stop the 
fiore@3: 		effect when actually untouching the node or when changing tab after the pick up and drop.
fiore@3: 		The variable is set/unset in the touching callbacks which works fine.
fiore@3: 	*/
fiore@3: 	bool lastTouchedEdgeIsUntouched;
fiore@3: 	HLdouble springStart[3];
fiore@3: 	GLuint displayList1;
fiore@3: 	GLuint displayList2;
fiore@3: 	bool frictionDisabled;
fiore@3: 	bool doneOnce;
fiore@3: 	bool secondClick;
fiore@3: 	bool stickyMode;
fiore@3: 	bool doubleClick;
fiore@3: 	void drawPlane(float offset);
fiore@3: 	void (*executeCommand)(const jchar cmd, const jint ID, const jdouble startx, const jdouble starty, const jdouble endx, const jdouble endy);
fiore@3: 
fiore@3: 	static void HLCALLBACK hlButton1CB(HLenum event, HLuint object, HLenum thread,
fiore@3:                                      HLcache *cache, void *userdata);
fiore@3: 	static void HLCALLBACK hlButton2CB(HLenum event, HLuint object, HLenum thread,
fiore@3:                                      HLcache *cache, void *userdata);
fiore@3: 	static void HLCALLBACK hlTouchCB(HLenum event, HLuint object, HLenum thread,
fiore@3:                                      HLcache *cache, void *userdata);
fiore@3: 	static void HLCALLBACK hlUntouchCB(HLenum event, HLuint object, HLenum thread,
fiore@3:                                      HLcache *cache, void *userdata);
fiore@3: 	static void HLCALLBACK hlMotionCB(HLenum event, HLuint object, HLenum thread,
fiore@3: 										   HLcache *cache, void *userdata);
fiore@3: #ifdef VIBRATION
fiore@3: 	static void HLCALLBACK vibrationCB(HDdouble force[3], HLcache *cache, void *userdata);
fiore@3: 
fiore@3: 	static void HLCALLBACK beforeVibrationCB(HLcache *cache, void *userdata);
fiore@3: 
fiore@3: 	static void HLCALLBACK afterVibrationCB(HLcache *cache, void *userdata);
fiore@3: #endif
fiore@3: 
fiore@3: public:
fiore@3: 
fiore@3: 	enum ClickStatus { NO_CLICK, ONE_CLICK, TWO_CLICK };
fiore@3: 
fiore@3: 	static HHD ghHD;
fiore@3: 	static HHLRC ghHLRC;
fiore@3: 	HapticManager(CollectionsManager * cManager, void (*func)(const jchar cmd, const jint ID, const jdouble startx, const jdouble starty, const jdouble endx, const jdouble endy)) 
fiore@3: 		: executeCommand(func), wall(true), collectionsManager(cManager), vibrationStatus(NO_VIBRATION), springStatus(RELEASED), alreadyTouchingAttractingElement(false),
fiore@3: 		  doneOnce(false), attractionStatus(NO_ATTRACTION), frictionDisabled(false), secondClick(false), clickStart(0), stickyMode(true),
fiore@3: 			lastMovedElement(HL_OBJECT_ANY),stillTouchingLastMovedElement(false),lastTouchedEdgeIsUntouched(false){};
fiore@3: 	~HapticManager(void) {}
fiore@3: 	void init(void) throw(HapticException);
fiore@3: 	void draw(void);
fiore@3: 	void setAttractTo(jint hapticId);
fiore@3: 	void pickUp(jint hapticId);
fiore@3: 	bool wasAlreadyTouchingAttractingElement(void);
fiore@3: 
fiore@3: 	void enableWall(void){ wall = true; }
fiore@3: 	void disableWall(void){ wall = false; }
fiore@3: 
fiore@3: 	bool isDraggingNode() const { return springStatus == DRAGGING && collectionsManager->isNode(draggedElementID); }
fiore@3: 	bool isDraggingEdge() const { return springStatus == DRAGGING && collectionsManager->isEdge(draggedElementID); }
fiore@3: 	ClickStatus getButton1Status();
fiore@3: 	void doButton1Click(bool doubleClick);
fiore@3: 	
fiore@3: };