// Update is called once per frame
void Update()
{
//Test for selecting buildings
if (Input.GetKeyDown(KeyCode.Alpha0))
{
selectedBuilding = 0;
}
if (Input.GetKeyDown(KeyCode.Alpha1))
{
selectedBuilding = 1;
}
//if (Input.GetKeyDown(KeyCode.Alpha2))
//{
// selectedBuilding = 2;
//}
//if (Input.GetKeyDown(KeyCode.Alpha3))
//{
// selectedBuilding = 3;
//}
//Range check, checks selected building is valid ID
if (selectedBuilding >= 1 && selectedBuilding < buildings.Length + 1)
{
//Makes sure this code is only executed upon building selection change
if (lastSelectedBuilding != selectedBuilding)
{
//Destroy previous building ghost
if (ghostBuilding != null)
{
Destroy(ghostBuilding);
}
//Get mouse position and spawn new ghost building
RaycastHit hit = JUCLPhysicsUtils.GetMousePositionRaycastData(Camera.main, layersToCheck);
ghostBuilding = Instantiate(buildings[selectedBuilding - 1].buildingPrefab, hit.point, Quaternion.identity);
lastSelectedBuilding = selectedBuilding;
}
}
//If building is selected
if (ghostBuilding != null)
{
//Get mouse position and move object to mouse cursor
RaycastHit hit = JUCLPhysicsUtils.GetMousePositionRaycastData(Camera.main, layersToCheck);
//Snap to grid
if (Input.GetKey(KeyCode.LeftControl))
{
//Snap position
ghostBuilding.transform.position = new Vector3(
Mathf.Round(hit.point.x / snapGridSize) + snapGridSize / 2,
Mathf.Round(hit.point.y / snapGridSize) + snapGridSize / 2,
Mathf.Round(hit.point.z / snapGridSize) + snapGridSize / 2);
}
else
{
//Don't snap to grid
ghostBuilding.transform.position = hit.point;
}
//Rotating the building to be placed.
if (Input.GetKeyDown(KeyCode.E))
{
ghostBuilding.transform.Rotate(0, 45, 0);
}
if (Input.GetKeyDown(KeyCode.Q))
{
ghostBuilding.transform.Rotate(0, -45, 0);
}
//Resource cost check
if (buildings[selectedBuilding - 1].goldCost <= GameResources.GetGoldAmount())
{
ChangeBuildingMaterial(ghostValidMat);
//If user clicks to place object
if (Input.GetMouseButtonDown(0))
{
//Create new object and remove gold from player resources
GameObject go = Instantiate(buildings[selectedBuilding - 1].buildingPrefab, ghostBuilding.transform.position, ghostBuilding.transform.rotation);
Building building = go.GetComponent <Building>();
building.CreateScaffolding();
building.AddBuilder();
GameResources.RemoveGoldAmount(buildings[selectedBuilding - 1].goldCost);
//Destroy ghost building if shift is not held down, also reset selection
if (!Input.GetKey(KeyCode.LeftShift))
{
Destroy(ghostBuilding);
selectedBuilding = 0;
lastSelectedBuilding = 0;
}
}
}
else
{
ChangeBuildingMaterial(ghostInvalidMat);
}
//Destroy ghostbuilding if escape pressed, reset selection.
if (Input.GetKeyDown(KeyCode.Escape))
{
Destroy(ghostBuilding);
selectedBuilding = 0;
lastSelectedBuilding = 0;
}
}
}
