private void Awake()
{
m_boxCollider2D = GetComponent <BoxCollider2D>();
m_spriteRenderer = transform.Find("Sprite").GetComponent <SpriteRenderer>();
m_buildingTypeholder = GetComponent <BuildingTypeHolder>();
m_constructionMaterial = m_spriteRenderer.material;
PlayBuildParticles(transform.position);
}
private bool CanSpawnBuilding(BuildingTypeSO buildingType, Vector3 position, out string errorMessage)
{
BoxCollider2D boxCollider2D = buildingType.prefab.GetComponent <BoxCollider2D>();
Collider2D[] collider2DArray = Physics2D.OverlapBoxAll(position + (Vector3)boxCollider2D.offset, boxCollider2D.size, 0f);
bool isAreaClear = collider2DArray.Length == 0;
if (!isAreaClear)
{
errorMessage = "Area is not clear!";
return(false);
}
collider2DArray = Physics2D.OverlapCircleAll(position, buildingType.minConstructionRadius);
foreach (Collider2D collider in collider2DArray)
{
// Colliders inside construction radius:
BuildingTypeHolder buildingTypeHolder = collider.GetComponent <BuildingTypeHolder>();
// Have a building and it is same type, then we can't build here:
if (buildingTypeHolder != null)
{
if (buildingTypeHolder.buildingType == buildingType)
{
errorMessage = "To close to another building of the same type!";
return(false);
}
}
}
if (buildingType.hasResourceGeneratorData)
{
int nearbyResourceAmount = ResourceGenerator.GetNearbyResourceAmount(buildingType.resourceGeneratorData, position);
if (nearbyResourceAmount == 0)
{
errorMessage = "No nearby resources!";
return(false);
}
}
// Check to see if there is a building within the maxConstructionRadius:
collider2DArray = Physics2D.OverlapCircleAll(position, m_maxConstructionRadius);
foreach (Collider2D collider in collider2DArray)
{
// Colliders inside construction radius:
BuildingTypeHolder buildingTypeHolder = collider.GetComponent <BuildingTypeHolder>();
// Have a building so it is okay to build:
if (buildingTypeHolder != null)
{
errorMessage = "";
return(true);
}
}
// To far away from another building, can't build:
errorMessage = "Too far from from any other building!";
return(false);
}