//Decide which terrain rule to apply
public void UpdateTerrainRule()
{
if (MoveToNextTerrainRule())
{
//If we reach the end but we are looping rules, go back to the first one
TerrainRule lastTerrainRule = TerrainRules[TerrainRules.Count - 1];
if (CurrentTerrainRule == lastTerrainRule)
{
if (LoopRules)
{
CurrentTerrainRule = TerrainRules[0];
//Track where our rule is starting
RuleStartLocation = CurrentLocation;
}
else
{
CurrentTerrainRule = null;
}
}
else
{
CurrentTerrainRule = TerrainRules[GetCurrentTerrainRuleIndex() + 1];
//Track where our rule is starting
RuleStartLocation = CurrentLocation;
}
//Reset this
RepeatingPointsAtTop = false;
}
}
public void PlacePrefabs(TerrainManager tm)
{
terrainManager = tm;
InstantiatePrefabManagerObject(ManagerName);
List <PrefabQueue> prefabsToAdd = new List <PrefabQueue>();
for (int i = 0; i < terrainManager.AllFrontTopVerticies.Count(); i++)
{
Vector3 current = terrainManager.AllFrontTopVerticies[i];
for (int j = 0; j < settings.PrefabRules.Count(); j++)
{
PrefabRule rule = settings.PrefabRules[j];
//Can't do anything without a prefab
if (rule.PrefabToClone == null)
{
Debug.LogWarning("PrefabToClone required");
break;
}
//If we haven't started yet, set our initial values
if (rule.LastPrefabLocation == Vector3.zero)
{
rule.LastPrefabLocation = current;
}
rule.CurrentLocation = current;
//Save it because it is randomized and changes every time
float repeatDistance = rule.RepeatDistance;
if (rule.AddPrefab(repeatDistance))
{
//Find the location of the first prefab
float nextXLocation = rule.NextPrefabXLocation(repeatDistance);
Vector3 nextLocation = FindLocationAlongTerrain(nextXLocation);
float angle = FindSlopeAngle(nextLocation.x);
//Store a list of the prefabs to add. Only add them if every prefab in this ruleset can be added.
//If they can't, add them at the start of the next mesh
bool addAllPrefabs = true;
prefabsToAdd.Clear();
prefabsToAdd.Add(new PrefabQueue()
{
location = nextLocation, angle = angle
});
if (rule.GroupSize > 1)
{
float increase = 0;
for (int k = 1; k < rule.GroupSize; k++)
{
//Find the location of the next prefab in this group
increase = increase + rule.GroupSpacing;
nextLocation = FindLocationAlongTerrain(nextXLocation + increase);
//We can't place all prefabs. Break out
if (nextLocation == Vector3.zero)
{
addAllPrefabs = false;
break;
}
else
{
//Store the location of these prefabs as well
angle = FindSlopeAngle(nextXLocation + increase);
prefabsToAdd.Add(new PrefabQueue()
{
location = nextLocation, angle = angle
});
}
}
}
//Can we add all the prefabs? Then go ahead and instatiate them
if (addAllPrefabs)
{
for (int k = 0; k < prefabsToAdd.Count(); k++)
{
PrefabQueue pq = prefabsToAdd[k];
//Determine if this prefab is allowed to be placed on this terrain rule
TerrainRule currentRule = tm.VertexGen.CurrentTerrainRule;
bool allowedForThisTerrainRule = currentRule.AllowedPrefabs.Where(ap => ap.Allowed && ap.Index == j).Any();
bool meetsDistanceReqs = true;
//Determine if this prefab is within the distance rules
if (rule.UseMinDistance)
{
if (pq.location.x < rule.MinDistance)
{
meetsDistanceReqs = false;
}
}
if (rule.UseMaxDistance)
{
if (pq.location.x > rule.MaxDistance)
{
meetsDistanceReqs = false;
}
}
//Only add if it is within the slope limits
if (pq.angle >= rule.MinSlope && pq.angle <= rule.MaxSlope && allowedForThisTerrainRule && meetsDistanceReqs)
{
rule.InstantiatePrefab(pq.location, PrefabManagerObject, Pool, pq.angle);
rule.LastPrefabLocation = pq.location;
}
else
{
//Just update this so we can keep placing prefabs, but don't actually create the prefab
rule.LastPrefabLocation = pq.location;
}
}
}
}
}
}
}