private int getTileClearCost(EnvironmentTile tile)
{
//Get the cost to remove the tile or the sell price of the turret if tile is a turret
//Decrement turret cost of the tile to get the price that was paid for it
incrementTurretCost(tile, -1);
Turret turret = tile.GetComponentInChildren <Turret>();
int cost;
if (turret is MachineGun)
{
cost = (int)(-(machineGunCost + tile.costToRemove) * sellMoneyBackPercent);
}
else if (turret is Mortar)
{
cost = (int)(-(mortarCost + tile.costToRemove) * sellMoneyBackPercent);
}
else
{
cost = tile.costToRemove;
}
//Increment cost again to ensure turret cost stays the same
incrementTurretCost(tile, 1);
return(cost);
}
private void useDestroyTool()
{
//Remove a turret or obstacle when player clicks on it
//Enable destroy icon
Vector3 pos = MainCamera.ScreenToViewportPoint(Input.mousePosition);
pos.x = (pos.x - 0.5f) * hudCanvas.sizeDelta.x;
pos.y = (pos.y - 0.5f) * hudCanvas.sizeDelta.y;
destroyIcon.localPosition = pos;
destroyIcon.gameObject.SetActive(true);
//Check if highlighted tile can be cleared
if (currentTile.canBeDestroyed && !currentTile.IsAccessible)
{
//Get cost to remove tile and colour it red
int cost = getTileClearCost(currentTile);
setBuyText(cost);
currentTile.GetComponent <ColorSwapper>().swapColour(Color.red);
//If left click pressed
if (Input.GetMouseButtonDown(0))
{
//Check if player can afford it
if (cost <= money)
{
//If player can afford it then update player money and clear the tile
buyItem(cost);
mMap.clearTile(currentTile);
incrementTurretCost(currentTile, -1);
Turret turret = currentTile.GetComponentInChildren <Turret>();
if (turret != null)
{
turrets.Remove(turret);
}
//Re calculate enemy route
foreach (Spawner spawner in spawners)
{
spawner.route = mMap.Solve(spawner.spawnExitPoint, mMap.houseEntrance);
}
}
else
{
sendMessage("Can't afford");
}
}
}
}
private int getTurretCost(EnvironmentTile tile)
{
//get the cost to build a turret
Turret turret = tile.GetComponentInChildren <Turret>();
if (turret is MachineGun)
{
return(machineGunCost);
}
else if (turret is Mortar)
{
return(mortarCost);
}
throw new System.Exception("No turret on selected tile");
}
private void incrementTurretCost(EnvironmentTile tile, int increment)
{
//Increase or decrease cost of turrets by increment
Turret turret = tile.GetComponentInChildren <Turret>();
if (turret != null)
{
if (turret is MachineGun)
{
numberOfMachineGuns += increment;
machineGunCost = (int)((float)machineGunBaseCost * Mathf.Pow(machineGunIncrement, numberOfMachineGuns));
machineGunCostText.text = "$" + machineGunCost.ToString();
}
else if (turret is Mortar)
{
numberOfMortars += increment;
mortarCost = (int)((float)mortarBaseCost * Mathf.Pow(mortarIncrement, numberOfMortars));
mortarCostText.text = "$" + mortarCost.ToString();
}
}
}
private void usePlaceTool()
{
//Place a turret down on the selected tile if possible
//Show rotate icon
Vector3 pos = MainCamera.ScreenToViewportPoint(Input.mousePosition);
pos.x = (pos.x - 0.5f) * hudCanvas.sizeDelta.x;
pos.y = (pos.y - 0.5f) * hudCanvas.sizeDelta.y;
rotateIcon.localPosition = pos;
rotateIcon.gameObject.SetActive(true);
//Enable the turret preview object
objectToPlace.SetActive(true);
objectToPlace.transform.position = currentTile.Position;
//Check if the tile is accessible
if (currentTile.IsAccessible && currentTile.canBeDestroyed)
{
//set preview object to green if it is valid
objectToPlace.GetComponent <ColorSwapper>().swapColour(Color.green);
Turret turret = tilePrefab.GetComponentInChildren <Turret>();
int turretCost = 0;
//Set the cost of the turret
if (turret != null)
{
turretCost = getTurretCost(tilePrefab);
setBuyText(turretCost);
}
//If left click pressed
if (Input.GetMouseButtonDown(0))
{
//If player can afford it
if (turretCost <= money)
{
//Swap tile for turret
currentTile = mMap.swapTile(currentTile, tilePrefab, true, false);
currentTile.costToRemove = 0;
currentTile.transform.GetChild(0).transform.Rotate(new Vector3(0, 1, 0), 90 * tileRotation);
//Check if tile position is valid
if (mMap.checkIfHouseAccesible())
{
//If position is valid then set the turret up and recalculate enemy routes
turret = currentTile.GetComponentInChildren <Turret>();
if (turret != null)
{
turret.setSpawners(spawners);
turret.setGame(this);
int cost = getTurretCost(currentTile);
buyItem(cost);
incrementTurretCost(currentTile, 1);
turrets.Add(turret);
showRange(turret, false);
}
foreach (Spawner spawner in spawners)
{
spawner.route = mMap.Solve(spawner.spawnExitPoint, mMap.houseEntrance);
}
}
else
{
//If position isn't valid then reset the tile
sendMessage("Can't block path");
mMap.clearTile(currentTile);
}
}
else
{
//If player can't afford then send error message
sendMessage("Can't afford");
}
}
}
else
{
//Set preview object to red if not a valid position
objectToPlace.GetComponent <ColorSwapper>().swapColour(Color.red);
}
}
// Make a specific tile inaccessible (at point x,y and of specific type)
// Types (more for possible expansion):
// 0 = rocks
// 1 = stone
// 2 = trees
// 3 = logs
// 4 = water
// 5 = player base
// 6 = enemy base
public void MakeTileInaccessible(int x, int y, int type)
{
// Get transform pos of where to make inaccessible
finalPosition = mMap[x][y].transform.position;
// Create new tile initially to the first inaccessible tile type in list
EnvironmentTile prefabNa = InaccessibleTiles[0];
// Define what type of inaccessible tile this will be
switch (type)
{
case 0: prefabNa = InaccessibleTiles[Random.Range(4, 10)]; break; // Rocks
case 1: prefabNa = InaccessibleTiles[Random.Range(10, 16)]; break; // Stone
case 2: prefabNa = InaccessibleTiles[Random.Range(2, 4)]; break; // Trees
case 3: prefabNa = InaccessibleTiles[Random.Range(0, 2)]; break; // Logs
case 4: prefabNa = InaccessibleTiles[16]; break; // Water
case 5: prefabNa = InaccessibleTiles[17]; break; // Player Base
case 6: prefabNa = InaccessibleTiles[18]; break; // Enemy Base
}
// Get reference to tile on map
var t = mMap[x][y];
// Change mesh of tile to be the type of inaccessible tile
t.GetComponent <MeshFilter>().sharedMesh = prefabNa.GetComponent <MeshFilter>().sharedMesh;
t.GetComponent <MeshRenderer>().materials = prefabNa.GetComponent <MeshRenderer>().sharedMaterials;
// Using rocks and player/enemy base objects, requires instantiation of extra object (e.g the actual rock)
if (type == 0 || type == 5 || type == 6)
{
Instantiate(prefabNa.GetComponentInChildren <MeshFilter>(), finalPosition, mMap[x][y].transform.rotation, t.transform);
}
// Make this tile not accessible
t.IsAccessible = false;
// Define tile type string and health (if appropriate)
switch (type)
{
case 0: t.Type = "rock";
t.Health = 100; break;
case 1: t.Type = "stone";
t.Health = 100; break;
case 2: t.Type = "tree";
t.Health = 100; break;
case 3: t.Type = "logs";
t.Health = 100; break;
case 4: t.Type = "water"; break;
case 5: t.Type = "player base"; break;
case 6: t.Type = "enemy base"; break;
default: t.Type = "error"; break;
}
// Replace tile in the map tile list
if (mAll.FindIndex(ind => ind.Equals(mMap[x][y])) != -1)
{
mAll[mAll.FindIndex(ind => ind.Equals(mMap[x][y]))] = t;
}
// Change this tile to be the new inaccessible tile
mMap[x][y] = t;
}