public static bool GetSpawnCoords(ImprovedSpawnGroup spawnGroup, Vector3D startCoords, out Vector3D spawnCoords)
{
spawnCoords = Vector3D.Zero;
SpawnResources.RefreshEntityLists();
MyPlanet planet = SpawnResources.GetNearestPlanet(startCoords);
var planetEntity = planet as IMyEntity;
double extraDistance = 0;
double terrainVarianceCheckTarget = Settings.PlanetaryInstallations.SmallTerrainCheckDistance;
if (planetEntity == null || planet == null)
{
Logger.AddMsg("Planet Somehow Doesn't Exist... Even Though It Should If Script Got Here...", true);
return(false);
}
if (spawnGroup.PlanetaryInstallationType == "Medium")
{
extraDistance = Settings.PlanetaryInstallations.MediumSpawnDistanceIncrement;
terrainVarianceCheckTarget = Settings.PlanetaryInstallations.MediumTerrainCheckDistance;
}
if (spawnGroup.PlanetaryInstallationType == "Large")
{
extraDistance = Settings.PlanetaryInstallations.LargeSpawnDistanceIncrement;
terrainVarianceCheckTarget = Settings.PlanetaryInstallations.LargeTerrainCheckDistance;
}
var startDist = Settings.PlanetaryInstallations.MinimumSpawnDistanceFromPlayers + extraDistance;
var endDist = Settings.PlanetaryInstallations.MaximumSpawnDistanceFromPlayers + extraDistance;
var upDir = Vector3D.Normalize(startCoords - planetEntity.GetPosition());
var forwardDir = Vector3D.Normalize(MyUtils.GetRandomPerpendicularVector(ref upDir));
var searchMatrix = MatrixD.CreateWorld(startCoords, forwardDir, upDir);
//Searches in 8 directions from the player position
var searchDirections = new List <Vector3D>();
searchDirections.Add(searchMatrix.Forward);
searchDirections.Add(searchMatrix.Backward);
searchDirections.Add(searchMatrix.Left);
searchDirections.Add(searchMatrix.Right);
if (Settings.PlanetaryInstallations.AggressivePathCheck == true)
{
searchDirections.Add(Vector3D.Normalize(searchMatrix.Forward + searchMatrix.Left));
searchDirections.Add(Vector3D.Normalize(searchMatrix.Forward + searchMatrix.Right));
searchDirections.Add(Vector3D.Normalize(searchMatrix.Backward + searchMatrix.Left));
searchDirections.Add(Vector3D.Normalize(searchMatrix.Backward + searchMatrix.Right));
}
int debugSpawnPointAttempts = 0;
int searchDirectionAttempts = 0;
foreach (var searchDirection in searchDirections)
{
searchDirectionAttempts++;
double searchIncrement = startDist;
while (searchIncrement < endDist)
{
debugSpawnPointAttempts++;
var checkCoords = searchDirection * searchIncrement + startCoords;
var surfaceCoords = SpawnResources.GetNearestSurfacePoint(checkCoords, planet);
if (SpawnResources.IsPositionNearEntity(surfaceCoords, Settings.PlanetaryInstallations.MinimumSpawnDistanceFromOtherGrids) == true || SpawnResources.IsPositionInSafeZone(surfaceCoords) == true)
{
searchIncrement += Settings.PlanetaryInstallations.SearchPathIncrement;
continue;
}
var checkUpDir = Vector3D.Normalize(surfaceCoords - planetEntity.GetPosition());
var checkForwardDir = Vector3D.Normalize(MyUtils.GetRandomPerpendicularVector(ref checkUpDir));
var checkMatrix = MatrixD.CreateWorld(surfaceCoords, checkForwardDir, checkUpDir);
var checkDirections = new List <Vector3D>();
checkDirections.Add(checkMatrix.Forward);
checkDirections.Add(checkMatrix.Backward);
checkDirections.Add(checkMatrix.Left);
checkDirections.Add(checkMatrix.Right);
if (Settings.PlanetaryInstallations.AggressiveTerrainCheck == true)
{
checkDirections.Add(Vector3D.Normalize(checkMatrix.Forward + checkMatrix.Left));
checkDirections.Add(Vector3D.Normalize(checkMatrix.Forward + checkMatrix.Right));
checkDirections.Add(Vector3D.Normalize(checkMatrix.Backward + checkMatrix.Left));
checkDirections.Add(Vector3D.Normalize(checkMatrix.Backward + checkMatrix.Right));
}
var distToCore = Vector3D.Distance(surfaceCoords, planetEntity.GetPosition());
bool badPosition = false;
if (spawnGroup.SkipTerrainCheck == false)
{
foreach (var checkDirection in checkDirections)
{
double terrainCheckIncrement = 0;
while (terrainCheckIncrement < terrainVarianceCheckTarget)
{
var checkTerrainCoords = checkDirection * terrainCheckIncrement + surfaceCoords;
var checkTerrainSurfaceCoords = SpawnResources.GetNearestSurfacePoint(checkTerrainCoords, planet);
var checkDistToCore = Vector3D.Distance(checkTerrainSurfaceCoords, planetEntity.GetPosition());
var elevationDiff = checkDistToCore - distToCore;
if (elevationDiff < Settings.PlanetaryInstallations.MinimumTerrainVariance || elevationDiff > Settings.PlanetaryInstallations.MaximumTerrainVariance)
{
badPosition = true;
break;
}
terrainCheckIncrement += Settings.PlanetaryInstallations.TerrainCheckIncrementDistance;
}
if (badPosition == true)
{
break;
}
}
}
if (badPosition == false)
{
spawnCoords = surfaceCoords;
Logger.AddMsg("Found Installation Site After: " + debugSpawnPointAttempts.ToString() + " Attempts", true);
Logger.AddMsg("Search Directions Used: " + searchDirectionAttempts.ToString(), true);
return(true);
}
searchIncrement += Settings.PlanetaryInstallations.SearchPathIncrement;
}
}
Logger.AddMsg("Could Not Find Installation Site After: " + debugSpawnPointAttempts.ToString() + " Attempts", true);
return(false);
}