/// <summary>
/// returns a valid spawn location
/// </summary>
private Vector2 RandomSpawnLocation()
{
int x = rng.getInt(0, currentMap.width - 1);
int y = rng.getInt(0, currentMap.height - 1);
Vector2 spawnLoc = new Vector2(x, y);
return(currentMap.GetNearestValidMove(spawnLoc));
}
public bool Event_ThrowItem(ComponentEvent e)
{
AreaMap map = Engine.instance.world.currentMap;
var throwEvent = ((EThrowItem)e);
string itemType = throwEvent.itemName;
// try to find the item on the entity to throw it
var consumeItemEvent = (EConsumeItem)owner.FireEvent(new EConsumeItem()
{
itemName = itemType
});
if (!consumeItemEvent.hasItem)
{
return(true);
}
// This enttiy did have the item to throw
Entity projectile = consumeItemEvent.consumedItem;
// Get the thrwoer strength and item weight, in order to calc both damage and max throw distance
var getStrength = (EGetAttributeLevel)owner.FireEvent(new EGetAttributeLevel()
{
target = "strength"
});
int strength = getStrength.level;
float strRatio = (strength / 100.0f);
var getWeight = (EGetWeight)owner.FireEvent(new EGetWeight());
int thrownWeight = getWeight.weight;
float maxDistance = CombatEngine.GetThrowRange(owner, projectile);
int throwDamage = (int)(strRatio * thrownWeight);
// if the target position is farther than the max distance, select the nearest point in that direction
Vector2 targetLoc = throwEvent.targetLocation;
Vector2 toTarget = targetLoc - owner.position;
if (toTarget.Magnitude() > maxDistance)
{
Vector2 dir = toTarget.Normalized();
targetLoc = owner.position + (dir * maxDistance);
}
// check where the item hits, if there is something in the way
Vector2 hitNormal;
Vector2 endPosition = map.CollisionPointFromTo(owner.position, targetLoc, out hitNormal);
// find the target to hit, and apply some damage and knock them back
Entity[] targets = map.GetAllObjectsAt(endPosition.X, endPosition.Y);
foreach (Entity hit in targets)
{
CombatInstance combat = new CombatInstance(owner, hit)
{
{ "damage", throwDamage },
{ "weapon", projectile }
};
CombatEngine.ProcessCombat(combat);
}
// the thrown item ends up next to the target location, or the nearest valid location
toTarget = Vector2.OrthoNormal(toTarget);
endPosition = endPosition - toTarget;
endPosition = map.GetNearestValidMove(endPosition);
Engine.instance.world.SpawnExisting(projectile, endPosition);
return(true);
}