public override void InitTower(int ID)
{
base.InitTower(ID);
subClass = _UnitSubClass.Hero;
gameObject.layer = LayerManager.LayerTower();
}
public static Vector3 ClickOnTerrain(Vector3 pointer)
{
int layer = LayerManager.LayerTower();
LayerMask mask = 1 << LayerManager.LayerTerrain();
Ray ray = Camera.main.ScreenPointToRay(pointer);
RaycastHit hit;
if (!Physics.Raycast(ray, out hit, Mathf.Infinity, mask))
{
return(Vector3.zero);
}
return(hit.point);
}
public static UnitTower Select(Vector3 pointer)
{
int layer = LayerManager.LayerTower();
LayerMask mask = 1 << layer;
Ray ray = Camera.main.ScreenPointToRay(pointer);
RaycastHit hit;
if (!Physics.Raycast(ray, out hit, Mathf.Infinity, mask))
{
return(null);
}
Unit unit = hit.transform.GetComponent <Unit>();
if (unit.IsTower() || unit.IsHero())
{
SelectTower((UnitTower)unit);
}
return(instance.selectedTower);
}
//called in every frame, execute if there's an ability is selected and pending target selection
//use only mouse input atm.
void SelectAbilityTarget()
{
if (selectedAbilityID < 0)
{
return;
}
//only cast on terrain and platform
LayerMask mask = 1 << LayerManager.LayerPlatform();
int terrainLayer = LayerManager.LayerTerrain();
if (terrainLayer >= 0)
{
mask |= 1 << terrainLayer;
}
Ability ability = abilityList[selectedAbilityID];
if (ability.singleUnitTargeting)
{
if (ability.targetType == Ability._TargetType.Hybrid)
{
mask |= 1 << LayerManager.LayerTower();
mask |= 1 << LayerManager.LayerCreep();
}
else if (ability.targetType == Ability._TargetType.Friendly)
{
mask |= 1 << LayerManager.LayerTower();
}
else if (ability.targetType == Ability._TargetType.Hostile)
{
mask |= 1 << LayerManager.LayerCreep();
}
}
#if UNITY_IPHONE || UNITY_ANDROID || UNITY_WP8
Unit targetUnit = null;
if (Input.touchCount >= 1)
{
Camera mainCam = Camera.main;
if (mainCam != null)
{
Ray ray = mainCam.ScreenPointToRay(Input.touches[0].position);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, Mathf.Infinity, mask))
{
currentIndicator.position = hit.point + new Vector3(0, 0.1f, 0);
validTarget = true;
if (ability.singleUnitTargeting)
{
targetUnit = hit.transform.GetComponent <Unit>();
if (targetUnit != null)
{
currentIndicator.position = targetUnit.thisT.position;
}
else
{
validTarget = false;
}
}
}
else
{
validTarget = false;
}
}
}
else
{
if (validTarget)
{
ActivateAbility(ability, currentIndicator.position, targetUnit);
}
else
{
GameControl.DisplayMessage("Invalid target for ability");
}
ClearSelectedAbility();
}
#else
Camera mainCam = Camera.main;
if (mainCam != null)
{
Ray ray = mainCam.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, Mathf.Infinity, mask))
{
currentIndicator.position = hit.point + new Vector3(0, 0.1f, 0);
Unit targetUnit = null;
validTarget = true;
if (ability.singleUnitTargeting)
{
targetUnit = hit.transform.GetComponent <Unit>();
if (targetUnit != null)
{
currentIndicator.position = targetUnit.thisT.position;
}
else
{
validTarget = false;
}
}
if (Input.GetMouseButtonDown(0))
{
if (validTarget)
{
ActivateAbility(ability, currentIndicator.position, targetUnit);
ClearSelectedAbility();
}
else
{
GameControl.DisplayMessage("Invalid target for ability");
}
}
}
}
if (Input.GetMouseButtonDown(1))
{
ClearSelectedAbility();
}
#endif
}
public static NodeTD[] GenerateNode(PlatformTD platform, float heightOffset)
{
if (instance == null)
{
Init();
}
Transform platformT = platform.thisT;
float gridSize = BuildManager.GetGridSize();
float scaleX = platform.thisT.localScale.x;
float scaleZ = platform.thisT.localScale.z;
int countX = (int)(scaleX / gridSize);
int countZ = (int)(scaleZ / gridSize);
float x = -scaleX / 2 / scaleX;
float z = -scaleZ / 2 / scaleZ;
Vector3 point = platformT.TransformPoint(new Vector3(x, 0, z));
thisT.position = point;
thisT.rotation = platformT.rotation;
thisT.position = thisT.TransformPoint(new Vector3(gridSize / 2, heightOffset, gridSize / 2));
NodeTD[] nodeGraph = new NodeTD[countZ * countX];
int counter = 0;
for (int i = 0; i < countZ; i++)
{
for (int j = 0; j < countX; j++)
{
Vector3 pos = thisT.position;
pos.y = pos.y + 5000;
LayerMask mask = 1 << LayerManager.LayerTower();
RaycastHit hit1;
if (Physics.Raycast(pos, Vector3.down, out hit1, Mathf.Infinity, ~mask))
{
nodeGraph[counter] = new NodeTD(new Vector3(pos.x, hit1.point.y + heightOffset, pos.z), counter);
}
else
{
nodeGraph[counter] = new NodeTD(pos, counter);
nodeGraph[counter].walkable = false;
}
counter += 1;
thisT.position = thisT.TransformPoint(new Vector3(gridSize, 0, 0));
}
thisT.position = thisT.TransformPoint(new Vector3(-(countX) * gridSize, 0, gridSize));
}
thisT.position = Vector3.zero;
thisT.rotation = Quaternion.identity;
counter = 0;
foreach (NodeTD cNode in nodeGraph)
{
if (cNode.walkable)
{
//check if there's anything within the point
LayerMask mask = 1 << LayerManager.LayerPlatform();
mask |= 1 << LayerManager.LayerTower();
if (LayerManager.LayerTerrain() >= 0)
{
mask |= 1 << LayerManager.LayerTerrain();
}
Collider[] cols = Physics.OverlapSphere(cNode.pos, gridSize * 0.45f, ~mask);
if (cols.Length > 0)
{
cNode.walkable = false;
counter += 1;
}
}
}
float neighbourDistance = 0;
float neighbourRange;
if (instance.connectDiagonalNeighbour)
{
neighbourRange = gridSize * 1.5f;
}
else
{
neighbourRange = gridSize * 1.1f;
}
counter = 0;
//assign the neighouring node for each node in the grid
foreach (NodeTD currentNode in nodeGraph)
{
//only if that node is walkable
if (currentNode.walkable)
{
//create an empty array
List <NodeTD> neighbourNodeList = new List <NodeTD>();
List <float> neighbourCostList = new List <float>();
NodeTD[] neighbour = new NodeTD[8];
int id = currentNode.ID;
if (id > countX - 1 && id < countX * countZ - countX)
{
//print("middle rows");
if (id != countX)
{
neighbour[0] = nodeGraph[id - countX - 1];
}
neighbour[1] = nodeGraph[id - countX];
neighbour[2] = nodeGraph[id - countX + 1];
neighbour[3] = nodeGraph[id - 1];
neighbour[4] = nodeGraph[id + 1];
neighbour[5] = nodeGraph[id + countX - 1];
neighbour[6] = nodeGraph[id + countX];
if (id != countX * countZ - countX - 1)
{
neighbour[7] = nodeGraph[id + countX + 1];
}
}
else if (id <= countX - 1)
{
//print("first row");
if (id != 0)
{
neighbour[0] = nodeGraph[id - 1];
}
if (nodeGraph.Length > id + 1)
{
neighbour[1] = nodeGraph[id + 1];
}
if (countZ > 0)
{
if (nodeGraph.Length > id + countX - 1)
{
neighbour[2] = nodeGraph[id + countX - 1];
}
if (nodeGraph.Length > id + countX)
{
neighbour[3] = nodeGraph[id + countX];
}
if (nodeGraph.Length > id + countX + 1)
{
neighbour[4] = nodeGraph[id + countX + 1];
}
}
}
else if (id >= countX * countZ - countX)
{
//print("last row");
neighbour[0] = nodeGraph[id - 1];
if (id != countX * countZ - 1)
{
neighbour[1] = nodeGraph[id + 1];
}
if (id != countX * (countZ - 1))
{
neighbour[2] = nodeGraph[id - countX - 1];
}
neighbour[3] = nodeGraph[id - countX];
neighbour[4] = nodeGraph[id - countX + 1];
}
//scan through all the node in the grid
foreach (NodeTD node in neighbour)
{
//if this the node is not currentNode
if (node != null && node.walkable)
{
//if this node is within neighbour node range
neighbourDistance = GetHorizontalDistance(currentNode.pos, node.pos);
if (neighbourDistance < neighbourRange)
{
//if nothing's in the way between these two
LayerMask mask = 1 << LayerManager.LayerPlatform();
mask |= 1 << LayerManager.LayerTower();
if (!Physics.Linecast(currentNode.pos, node.pos, ~mask))
{
//if the slop is not too steep
//if(Mathf.Abs(GetSlope(currentNode.pos, node.pos))<=maxSlope){
//add to list
//if(!node.walkable) Debug.Log("error");
neighbourNodeList.Add(node);
neighbourCostList.Add(neighbourDistance);
//}//else print("too steep");
} //else print("something's in the way");
} //else print("out of range "+neighbourDistance);
} //else print("unwalkable");
}
//set the list as the node neighbours array
currentNode.SetNeighbour(neighbourNodeList, neighbourCostList);
//if(neighbourNodeList.Count==0)
//Debug.Log("no heighbour. node number "+counter+" "+neighbourNodeList.Count);
}
counter += 1;
}
return(nodeGraph);
}