public void GenerateNewMaze(int sizeRows, int sizeCols,
TriggerEventHandler startCallback = null, TriggerEventHandler goalCallback = null, TriggerEventHandler healthCallback = null)
{
if (sizeRows % 2 == 0 && sizeCols % 2 == 0)
{
Debug.LogError("Odd numbers work better for dungeon size.");
}
DisposeOldMaze();
data = dataGenerator.FromDimensions(sizeRows, sizeCols);
FindStartPosition();
FindGoalPosition();
FindHealthPosition();
// store values used to generate this mesh
hallWidth = 1;
hallHeight = 1;
DisplayMaze();
PlaceStartTrigger(startCallback);
PlaceGoalTrigger(goalCallback);
PlaceHealthTrigger(healthCallback);
FindAndPlaceEnemies();
}
public void GenerateNewMaze(int rows, int columns, float trapChance,
TriggerEventHandler startCallback = null, TriggerEventHandler goalCallback = null)
{
if (rows % 2 == 0 && columns % 2 == 0)
{
Debug.LogError("Use odd numbers for dungeon size.");
}
bool valid = false;
while (!valid)
{
DestroyPrevMaze();
data = mazeGenerator.FromDimensions(rows, columns, trapChance);
GenerateStart();
GenerateGoal();
valid = mazeGenerator.validMaze(startRow, startColumn, goalRow, goalColumn);
//Debug.Log("valid: " + valid);
}
Debug.Log("Maze Start!");
corridorWidth = meshGenerator.width;
corridorHeight = meshGenerator.height;
DisplayMaze();
PlaceStartTrigger(startCallback);
PlaceGoalTrigger(goalCallback);
}
public void GenerateNewMaze(int sizeRows, int sizeCols,
TriggerEventHandler startCallback = null, TriggerEventHandler goalCallback = null)
{
if (sizeRows % 2 == 0 && sizeCols % 2 == 0)
{
Debug.LogError("Odd numbers work better for dungeon size.");
}
DisposeOldMaze();
data = dataGenerator.FromDimensions(sizeRows, sizeCols);
// store values used to generate this mesh
hallWidth = meshGenerator.width;
hallHeight = meshGenerator.height;
Debug.Log("HallWidth" + hallWidth);
Debug.Log("HallHeight" + hallHeight);
FindStartPosition1();
PlaceStartTrigger(startCallback);
FindStartPosition2();
PlaceStartTrigger(startCallback);
FindStartPosition3();
PlaceStartTrigger(startCallback);
FindStartPosition4();
PlaceStartTrigger(startCallback);
FindGoalPosition();
DisplayMaze();
PlaceGoalTrigger(goalCallback);
}
// parameters data taken form gamecontroller
public void GenerateNewMaze(int sizeRows, int sizeCols,
TriggerEventHandler startCallback = null, TriggerEventHandler goalCallback = null)
{
// if the ints are divisible by 2, log an error & reduce by one to prevent errors
if (sizeRows % 2 == 0)
{
sizeRows--;
Debug.Log(sizeRows + " Odd numbers work better for dungeon size.");
}
if (sizeCols % 2 == 0)
{
sizeCols--;
Debug.Log(sizeCols + " Odd numbers work better for dungeon size.");
}
// run func
DisposeOldMaze();
// data is equal to the fromdimensions func output with the sizerows and sizecols parameters from gamecontroller
data = dataGenerator.FromDimensions(sizeRows, sizeCols);
FindStartPosition();
FindGoalPosition();
// store values used to generate this mesh
hallWidth = meshGenerator.width;
hallHeight = meshGenerator.height;
// run function that adds colliders, meshrenderers etc to new gameobjects
DisplayMaze();
PlaceStartTrigger(startCallback);
PlaceGoalTrigger(goalCallback);
}
public void GenerateNewMaze(int maxRows, int maxCols,
TriggerEventHandler startCallback = null, TriggerEventHandler goalCallback = null,
TriggerEventHandler gunCallback = null)
{
if (maxCols % 2 == 0 || maxRows % 2 == 0)
{
//This is because the maze is surrounded by walls
Debug.LogWarning("Odd numbers work better for maze size");
}
DisposeOldMaze();
data = dataGenerator.FromDimensions(maxRows, maxCols);
FindStartPosition();
FindGoalPosition();
hallHeight = floor.GetComponentInChildren <MeshRenderer>().bounds.size[0];
hallWidth = floor.GetComponentInChildren <MeshRenderer>().bounds.size[1];
GlobalVars.hallHeight = hallHeight;
GlobalVars.hallWidth = hallWidth;
DisplayMaze();
PlaceStartTrigger(startCallback);
PlaceGoalTrigger(goalCallback);
PlaceGunPickup(gunCallback);
PlaceLandmarks();
GlobalVars.freeSpots = freeSpots;
}
public void GenerateNewMaze(int sizeRows, int sizeCols,
TriggerEventHandler startCallback = null, TriggerEventHandler goalCallback = null)
{
//Генерация стен
// Предупреждение о том, что лучше использовать нечетные числа для генерации лабиринта
if (sizeRows % 2 == 0 && sizeCols % 2 == 0)
{
Debug.LogError("Odd numbers work better for dungeon size.");
}
DisposeOldMaze();
data = dataGenerator.FromDimensions(sizeRows, sizeCols);
FindStartPosition();
FindGoalPosition();
// store values used to generate this mesh
hallWidth = meshGenerator.width;
hallHeight = meshGenerator.height;
DisplayMaze();
PlaceStartTrigger(startCallback);
PlaceGoalTrigger(goalCallback);
}
public int GenerateNewMaze(int sizeRows, int sizeCols, int lvl, TriggerEventHandler startCallback = null, TriggerEventHandler goalCallback = null)
{
if (sizeRows % 2 == 0 && sizeCols % 2 == 0)
{
Debug.Log("Odd numbers work better for dungeon size");
}
DisposeOldMaze();
int pointOfGate = 0;
data = dataGenerator.FromDimensions(sizeRows, sizeCols, ref pointOfGate);
sizeOfRows = sizeRows;
sizeOfCols = sizeCols;
FindStartPosition();
FindGoalPosition();
hallWidth = meshGenerator.width;
hallHeight = meshGenerator.height;
DisplayMaze();
PlaceStartTrigger(startCallback, lvl);
PlaceGoalTrigger(goalCallback, lvl);
return(pointOfGate);
}
void PlaceStartTrigger(Vector3 position, TriggerEventHandler callback)
{
var go = GameObject.CreatePrimitive(PrimitiveType.Cube);
go.transform.position = position;
go.name = "Start trigger";
go.GetComponent <BoxCollider>().isTrigger = true;
go.GetComponent <MeshRenderer>().sharedMaterial = reachedTriggerMat;
var tc = go.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
//Create object for start trigger and fill its properties
public void PlaceStartTrigger(TriggerEventHandler callback)
{
GameObject gObj = Instantiate(startPortal,
new Vector3(startCol * hallWidth, 0, startRow * hallHeight), Quaternion.identity);
gObj.name = "Start Trigger";
gObj.tag = "Generated";
gObj.GetComponent <BoxCollider>().isTrigger = true;
TriggerEventRouter tc = gObj.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
//Create object for treasure and fill its properties
public void PlaceGoalTrigger(TriggerEventHandler callback)
{
GameObject gObj = Instantiate(treasure, new Vector3(goalCol * hallWidth, 0, goalRow * hallHeight), Quaternion.identity);
GlobalVars.goalPos = new Vector3(gObj.transform.position.x, 1, gObj.transform.position.z);
gObj.name = "Treasure";
gObj.tag = "Generated";
gObj.layer = LayerMask.NameToLayer("AIGuard");
TriggerEventRouter tc = gObj.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
private void PlaceStartTrigger(TriggerEventHandler callback)
{
GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);
go.transform.position = new Vector3(startColumn * corridorWidth, .5f, startRow * corridorWidth);
go.name = "Start Trigger";
go.tag = "Generated";
go.GetComponent <BoxCollider>().isTrigger = true;
go.GetComponent <MeshRenderer>().sharedMaterial = startMat;
TriggerEventRouter tc = go.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
private void EnemyTest(TriggerEventHandler callback)
{
GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);
go.transform.position = new Vector3(10 * hallWidth, 2f, 5 * hallWidth);
go.name = "Enemy";
go.tag = "Generated";
go.GetComponent <BoxCollider>().isTrigger = true;
go.GetComponent <MeshRenderer>().sharedMaterial = enemyMat;
TriggerEventRouter tc = go.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
// 主线程循环
internal static void MainThreadUpdate()
{
FocusEventHandler.MainThreadUpdate();
ScreenResizeEventHandler.MainThreadUpdate();
CollisionEventHandler.MainThreadUpdate();
TriggerEventHandler.MainThreadUpdate();
PointerEventHandlerForScreen.MainThreadUpdate();
PointerEventHandlerForUI.MainThreadUpdate();
PointerEventHandlerForMesh.MainThreadUpdate();
KeyboardEventHandler.MainThreadUpdate();
FrameLoopEventHandler.MainThreadUpdate();
IntervalEventHandler.MainThreadUpdate();
CustomEventHandler.MainThreadUpdate();
TraceEventHandler.MainThreadUpdate();
}
private void PlaceGoalTrigger(TriggerEventHandler callback)
{
GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);
go.transform.position = new Vector3(goalCol * hallWidth, .5f, goalRow * hallWidth);
go.name = "Treasure";
go.tag = "Generated";
go.GetComponent <BoxCollider>().isTrigger = true;
go.GetComponent <MeshRenderer>().sharedMaterial = treasureMat;
TriggerEventRouter tc = go.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
// Создание визуального элемента конечной точки
private void PlaceGoalTrigger(TriggerEventHandler callback)
{
GameObject go = GameObject.Instantiate(foodObject, new Vector3(goalCol * hallWidth, .5f, goalRow * hallWidth), foodObject.transform.rotation);
go.transform.position = new Vector3(goalCol * hallWidth, .5f, goalRow * hallWidth);
go.name = "Treasure";
go.tag = "Generated";
go.GetComponent <BoxCollider>().isTrigger = true;
go.GetComponent <MeshRenderer>().sharedMaterial = foodMat;
TriggerEventRouter tc = go.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
private void PlaceHealthTrigger(TriggerEventHandler callback)
{
GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);
go.transform.position = new Vector3(healthCol * hallWidth, -0.5f, healthRow * hallWidth);
go.name = "Health";
go.tag = "Health";
go.transform.localScale = new Vector3(1f, 0.5f, 1f);
go.GetComponent <BoxCollider>().isTrigger = true;
go.GetComponent <MeshRenderer>().sharedMaterial = healthMat;
TriggerEventRouter tc = go.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
public void GenerateNewMaze(int sizeRows, int sizeCols,
TriggerEventHandler startCallback = null, TriggerEventHandler goalCallback = null)
{
DisposeOldMaze();
data = dataGenerator.FromDimensions(sizeRows, sizeCols);
FindStartPosition();
FindGoalPosition();
hallWidth = meshGenerator.width;
hallHeight = meshGenerator.height;
DisplayMaze();
PlaceStartTrigger(startCallback);
PlaceGoalTrigger(goalCallback);
}
public void PlaceGunPickup(TriggerEventHandler callback)
{
int randomPlace = Random.Range(0, freeSpots.Count);
int gunRow = freeSpots[randomPlace][0];
int gunCol = freeSpots[randomPlace][1];
// int gunRow = freeSpots[0][0];
// int gunCol = freeSpots[0][1];
GameObject gObj = Instantiate(gunPickup, new Vector3(gunCol * hallWidth, 0, gunRow * hallHeight), Quaternion.identity);
gObj.name = "GunPickup";
gObj.tag = "Generated";
freeSpots.RemoveAt(randomPlace);
TriggerEventRouter tc = gObj.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
private void PlaceGoalTrigger(TriggerEventHandler callback)
{
var gameObjects = Resources.FindObjectsOfTypeAll(typeof(GameObject));
GameObject open_chest = (GameObject)gameObjects.SingleOrDefault(o => o.name == "chest_open");
//GameObject coins = (GameObject)gameObjects.SingleOrDefault(o => o.name == "coins");
//GameObject open_chest = (GameObject)Resources.Load("ChestFree/chest_open", typeof(GameObject));
GameObject go = (GameObject)Instantiate(open_chest, new Vector3(goalCol * hallWidth, .5f, goalRow * hallWidth), new Quaternion(0, 0, 0, 0));
//go.AddComponent<Component>();
go.name = "Treasure";
go.tag = "Generated";
go.GetComponent <BoxCollider>().isTrigger = true;
TriggerEventRouter tc = go.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
private void PlaceStartTrigger(TriggerEventHandler callback)
{
GameObject go = startPrefab;
var startPostion = go.transform.position;
startPostion = new Vector3(startCol * hallWidth, .15f, startRow * hallWidth);
Quaternion startRotation = Quaternion.identity;
go.name = "Start Trigger";
go.GetComponent <BoxCollider>().isTrigger = true;
Debug.Log("starttriggerassigned");
Instantiate(go, startPostion, startRotation);
TriggerEventRouter tc = go.GetComponent <TriggerEventRouter>();
tc.callback = callback;
}
private void PlaceGoalTrigger(TriggerEventHandler callback)
{
GameObject go = treasurePrefab;
var treasurePostion = go.transform.position;
treasurePostion = new Vector3(goalCol * hallWidth, .2f, goalRow * hallWidth);
Quaternion treasureRotation = Quaternion.identity;
go.name = "Treasure";
go.GetComponent <BoxCollider>().isTrigger = true;
Debug.Log("goaltriggerassigned");
Instantiate(go, treasurePostion, treasureRotation);
TriggerEventRouter tc = go.GetComponent <TriggerEventRouter>();
tc.callback = callback;
}
private void PlaceGoalTrigger(TriggerEventHandler callback)
{
Instantiate(portal, new Vector3(7.0f * hallWidth, 2f, 5.0f * hallWidth), Quaternion.identity);
GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);
Debug.Log("GoalRow" + "" + goalRow);
Debug.Log("GoalCol" + "" + goalCol);
go.transform.position = new Vector3(goalCol * hallWidth, .5f, goalRow * hallWidth);
go.name = "Treasure";
go.tag = "Generated";
go.GetComponent <BoxCollider>().isTrigger = true;
go.GetComponent <MeshRenderer>().sharedMaterial = treasureMat;
TriggerEventRouter tc = go.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
public void GenerateNewMaze(int sizeCols, int sizeRows,
TriggerEventHandler startCallback = null, TriggerEventHandler goalCallback = null)
{
if (sizeRows % 2 == 0 && sizeCols % 2 == 0)
{
Debug.LogError("Odd numbers work better for dungeon size.");
}
// DisposeOldMaze();
data = dataGenerator.FromDimensions(sizeRows, sizeCols);
// FindStartPosition();
// FindGoalPosition();
DisplayMaze();
// PlaceStartTrigger(startCallback);
// PlaceGoalTrigger(goalCallback);
}
// place trigger in the scene at the start
private void PlaceStartTrigger(TriggerEventHandler callback)
{
GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);
Collider goC = go.GetComponent <Collider>();
GameObject go2 = GameObject.FindGameObjectWithTag("Player");
Collider go2C = go2.GetComponent <Collider>();
//sets start block
go.transform.position = new Vector3(startCol * hallWidth, .5f, startRow * hallWidth); // new Vector3(startCol * hallWidth, startRow * hallWidth, -1f);
go.name = "Start Trigger";
go.tag = "Generated";
//so that play and collider don't collide
Physics.IgnoreCollision(goC, go2C);
go.GetComponent <BoxCollider>().isTrigger = true;
go.GetComponent <MeshRenderer>().sharedMaterial = startMat;
TriggerEventRouter tc = go.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
private void PlaceStartTrigger(TriggerEventHandler callback, int lvl)
{
GameObject go = Instantiate(startGate);
float x = startCol * hallWidth;
float y = -5.00f;
float z = startRow * hallWidth;
go.transform.position = new Vector3(x - 10.82f, y, z - 3.15f);
go.tag = "Generated";
go.AddComponent <BoxCollider>();
if (PlayerPrefs.GetString("QuizzesDataTable" + (lvl - 1)).Length > 5)
{
QuizEntry quiz = new QuizEntry();
quiz = JsonUtility.FromJson <QuizEntry>(PlayerPrefs.GetString("QuizzesDataTable" + (lvl - 1)));
go.transform.Find("Cube (3)").GetComponent <Transform>().Find("Cube").GetComponent <Transform>().Find("Canvas").GetComponent <Transform>().Find("Button").GetComponent <Transform>().Find("Text").GetComponent <Text>().text = quiz.question;
}
// Set is trigger
//mc.convex = true;
GameObject startSphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
startSphere.transform.position = new Vector3(startCol * hallWidth, .5f, startRow * hallWidth);
startSphere.name = "Start Trigger";
startSphere.tag = "Generated";
// Set is trigger
startSphere.GetComponent <SphereCollider>().isTrigger = true;
// Set material
startSphere.GetComponent <MeshRenderer>().enabled = false;
TriggerEventRouter tc = startSphere.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
public void GenerateNewMaze(int sizeRows, int sizeCols,
TriggerEventHandler startCallback = null, TriggerEventHandler goalCallback = null)
{
if (sizeRows % 2 == 0 && sizeCols % 2 == 0)
{
Debug.LogError("Odd numbers work better for dungeon size.");//Для размеров лучше использовать нечётные числа, потому что сгенерированный лабиринт будет окружён стенами.
}
DisposeOldMaze(); //Вызываем метод DisposeOldMaze() для удаления лабиринта
data = dataGenerator.FromDimensions(sizeRows, sizeCols); //Вызываем FromDimensions() в GenerateNewMaze() передавая размер сетки и сохраняя получившиеся данные.
FindStartPosition(); //находим стартовую позицию для игрока
FindGoalPosition(); //находим позицию для цели
// store values used to generate this mesh
hallWidth = meshGenerator.width;
hallHeight = meshGenerator.height;
DisplayMaze(); //Вызываем метод DisplayMaze() для отображения лабиринта
PlaceStartTrigger(startCallback); //устанавливаем стартовые координаты игрока
PlaceGoalTrigger(goalCallback); //устанавливаем координаты цели
}
public void CreateDoors(TriggerEventHandler startCallback, TriggerEventHandler reachCallback, string name = null)
{
bool hadStart = false;
var targetList = new List <Vector3>();
var start = new Vector3();
for (int i = 0; i < 4; i++)
{
if (GetToTarget[i] != null)
{
if (roomInstance.lastNode != null && roomInstance.lastNode == GetToTarget[i])
{
start = GetToTarget[i].worldPosition;
PlaceStartTrigger(start, startCallback);
hadStart = true;
}
else
{
var pos = GetToTarget[i].worldPosition;
// var pos = GetToTarget[i].worldPosition + new Vector3(SizeWidth * gridOffset, 0, SizeWidth * gridOffset);
PlaceReachTrigger(pos, reachCallback);
targetList.Add(pos);
}
}
}
if (!hadStart)
{
start = GetToTarget[4].worldPosition;
PlaceStartTrigger(start, startCallback);
}
targetPathCount = targetList.Count;
PathFinder(targetList, start);
}
/// <summary> 添加触发器事件侦听 ( Mesh ) </summary> /// <param name="target">侦听对象 ( Mesh GameObject ) </param> /// <param name="listener">触发器事件侦听函数 ( Params - 侦听对象，触发器事件类型，触发触发器的对象 ) </param> /// <param name="priority">设置侦听函数执行优先级，数值越高优先级越高。同数值情况下，先添加的侦听函数优先级更高，默认为 0 </param> public void AddTriggerListenerForMesh(GameObject target, Action <GameObject, TriggerEventType, GameObject> listener, int priority = 0) => TriggerEventHandler.AddListener(target, listener, priority);
void Start()
{
teh = triggerHandler.GetComponent<TriggerEventHandler> ();
}
private void PlaceGoalTrigger(TriggerEventHandler callback, int lvl)
{
bool isSecond = false;
Debug.Log("Count of goald = " + goalPos.Count);
foreach (Point point in goalPos)
{
GameObject go = Instantiate(exitGate);
float x = point.posY * hallWidth;
float y = 14.18f;
float z = point.posX * hallWidth;
if (point.posX == 0)
{
go.transform.position = new Vector3(x - 0.41f, y, z + 9.845f);
go.transform.eulerAngles = new Vector3(
go.transform.eulerAngles.x,
go.transform.eulerAngles.y - 180f,
go.transform.eulerAngles.z);
}
else if (point.posY == sizeOfCols - 1)
{
go.transform.position = new Vector3(x - 9.81f, y, z - 0.49f);
go.transform.eulerAngles = new Vector3(
go.transform.eulerAngles.x,
go.transform.eulerAngles.y + 90f,
go.transform.eulerAngles.z);
}
else
{
go.transform.position = new Vector3(x + 0.43f, y, z - 9.845f);
}
go.tag = "Generated";
if (point.type == Identificators.TRUE_EXIT_GATE)
{
go.name = ("Exit Gate T");
if (PlayerPrefs.GetString("QuizzesDataTable" + (lvl - 1)).Length > 5)
{
QuizEntry quiz = new QuizEntry();
quiz = JsonUtility.FromJson <QuizEntry>(PlayerPrefs.GetString("QuizzesDataTable" + (lvl - 1)));
go.transform.Find("Cube (3)").GetComponent <Transform>().Find("Cube").GetComponent <Transform>().Find("Canvas").GetComponent <Transform>().Find("Button").GetComponent <Transform>().Find("Text").GetComponent <Text>().text = quiz.correctAnswer;
}
}
else
{
go.name = ("Exit Gate " + point.posX);
if (PlayerPrefs.GetString("QuizzesDataTable" + (lvl - 1)).Length > 5)
{
QuizEntry quiz = new QuizEntry();
quiz = JsonUtility.FromJson <QuizEntry>(PlayerPrefs.GetString("QuizzesDataTable" + (lvl - 1)));
string temp;
if (isSecond)
{
temp = quiz.wrongAnswer2;
}
else
{
temp = quiz.wrongAnswer;
}
go.transform.Find("Cube (3)").GetComponent <Transform>().Find("Cube").GetComponent <Transform>().Find("Canvas").GetComponent <Transform>().Find("Button").GetComponent <Transform>().Find("Text").GetComponent <Text>().text = temp;
}
isSecond = true;
}
//
Debug.Log("Goal point is detected" + point.posX + " " + point.posY);
GameObject goal = GameObject.CreatePrimitive(PrimitiveType.Cube);
goal.transform.position = new Vector3(point.posY * hallWidth, .5f, point.posX * hallWidth);
if (point.type == Identificators.TRUE_EXIT_GATE)
{
goal.name = ("True Exit");
}
else
{
goal.name = ("Exit" + point.posX);
}
goal.tag = "Generated";
BoxCollider bc = goal.GetComponent <BoxCollider>();
bc.isTrigger = true;
bc.size = new Vector3(bc.size.x + 2, bc.size.y, bc.size.z);
goal.GetComponent <MeshRenderer>().enabled = false;
TriggerEventRouter tc = goal.AddComponent <TriggerEventRouter>();
tc.callback = callback;
}
}
/// <summary> 移除触发器事件侦听 ( Mesh ) </summary> /// <param name="target">侦听对象 ( Mesh GameObject ) </param> /// <param name="listener">触发器事件侦听函数 ( Params - 侦听对象，触发器事件类型，触发触发器的对象 ) </param> public void RemoveTriggerListenerForMesh(GameObject target, Action <GameObject, TriggerEventType, GameObject> listener) => TriggerEventHandler.RemoveListener(target, listener);