private static void BuildOreProbabilities(MyPlanetDefinition planetDefinition)
{
m_oreCummulativeProbability = 0.0f;
if (planetDefinition.MetalsOreProbability != null)
{
foreach (var oreProbability in planetDefinition.MetalsOreProbability)
{
MyOreProbability probability = new MyOreProbability();
probability.Probability = MyRandom.Instance.NextFloat(oreProbability.Min, oreProbability.Max);
m_oreCummulativeProbability += probability.Probability;
probability.CummulativeProbability = m_oreCummulativeProbability;
probability.OreName = oreProbability.OreName;
m_oreProbalities.Add(probability);
}
}
}
private static MyMaterialLayer[] CreateMaterialLayers(MyPlanetDefinition planetDefinition, bool isHostile, MyRandom random, float averagePlanetRadius, float hillHalfDeviation, float canyonHalfDeviation, ref float outerRadius, ref float innerRadius)
{
int numLayers = random.Next((int)planetDefinition.NumLayers.Min, (int)planetDefinition.NumLayers.Max);
float startHeight = averagePlanetRadius - canyonHalfDeviation;
outerRadius = averagePlanetRadius + hillHalfDeviation;
innerRadius = averagePlanetRadius - canyonHalfDeviation;
int layerOffset = 0;
MyMaterialLayer southPoleLayer = CreatePoleLayer(random, planetDefinition.SouthPole, startHeight, outerRadius, ref layerOffset);
MyMaterialLayer northPoleLayer = CreatePoleLayer(random, planetDefinition.NorthPole, startHeight, outerRadius, ref layerOffset);
MyMaterialLayer[] materialLayers = new MyMaterialLayer[numLayers + layerOffset];
float endAngle = 1;
float startAngle = -1;
int currentLayer = 0;
if (southPoleLayer != null)
{
materialLayers[currentLayer] = southPoleLayer;
endAngle = southPoleLayer.StartAngle;
currentLayer++;
}
if (northPoleLayer != null)
{
materialLayers[currentLayer] = northPoleLayer;
northPoleLayer.EndAngle = northPoleLayer.StartAngle;
northPoleLayer.StartAngle = -1.0f;
northPoleLayer.AngleEndDeviation = northPoleLayer.AngleStartDeviation;
northPoleLayer.AngleStartDeviation = 0.0f;
startAngle = northPoleLayer.EndAngle;
}
float step = (outerRadius - innerRadius) / materialLayers.Length;
float organicHeightEnd = random.NextFloat(planetDefinition.OrganicHeightEnd.Min, planetDefinition.OrganicHeightEnd.Max);
float metalsHeightEnd = random.NextFloat(planetDefinition.MetalsHeightEndHostile.Min, planetDefinition.MetalsHeightEndHostile.Max);
float floraMaterialSpawnProbability = random.NextFloat(planetDefinition.FloraMaterialSpawnProbability.Min, planetDefinition.FloraMaterialSpawnProbability.Max);
float metalsSpawnProbability = random.NextFloat(planetDefinition.MetalsSpawnProbability.Min, planetDefinition.MetalsSpawnProbability.Max);
float metalsSpawnValue = random.NextFloat(0, 1);
for (int i = layerOffset; i < materialLayers.Length; ++i)
{
float layerHeight = random.NextFloat(0, step);
materialLayers[i] = new MyMaterialLayer();
materialLayers[i].StartHeight = startHeight;
materialLayers[i].EndHeight = startHeight + layerHeight;
materialLayers[i].StartAngle = startAngle;
materialLayers[i].EndAngle = endAngle;
materialLayers[i].HeightStartDeviation = random.NextFloat(0, 100.0f / (float)(i + 1));
materialLayers[i].AngleStartDeviation = 0;
materialLayers[i].HeightEndDeviation = random.NextFloat(0, 100.0f / (float)(i + 1));
materialLayers[i].AngleEndDeviation = 0;
MyVoxelMaterialDefinition materialDefinition = null;
if (m_materialsByOreType.ContainsKey("Stone") == true)
{
materialDefinition = m_materialsByOreType["Stone"][random.Next() % m_materialsByOreType["Stone"].Count];
}
if (planetDefinition.HasAtmosphere && isHostile == false)
{
if ((outerRadius - startHeight) > ((outerRadius - innerRadius) * (1 - organicHeightEnd)))
{
float value = random.NextFloat(0, 1);
if (value > floraMaterialSpawnProbability)
{
materialDefinition = m_organicMaterials[random.Next() % m_organicMaterials.Count];
}
else
{
materialDefinition = m_spawningMaterials[random.Next() % m_spawningMaterials.Count];
}
}
}
else
{
if (metalsSpawnValue < metalsSpawnProbability)
{
if ((outerRadius - startHeight) > ((outerRadius - innerRadius) * (1 - metalsHeightEnd)))
{
MyOreProbability probablity = GetOre(random.NextFloat(0, 1));
if (probablity != null)
{
materialLayers[i].EndHeight = materialLayers[i].StartHeight - 1;
materialLayers[i].HeightStartDeviation *= probablity.Probability;
materialLayers[i].HeightEndDeviation *= probablity.Probability;
materialDefinition = m_materialsByOreType[probablity.OreName][random.Next() % m_materialsByOreType[probablity.OreName].Count];
}
}
}
}
materialLayers[i].MaterialDefinition = materialDefinition;
startHeight += layerHeight;
}
return materialLayers;
}