/// <summary>
/// Draw gizmos
/// </summary>
void OnDrawGizmosSelected()
{
if (m_resources == null)
{
return;
}
if (m_spawner == null)
{
return;
}
if (m_terrainHeightMap == null)
{
return;
}
//Lets visualise fitness
float x, y = transform.position.y, z;
float xStart = transform.position.x - m_range;
float xEnd = transform.position.x + m_range;
float zStart = transform.position.z - m_range;
float zEnd = transform.position.z + m_range;
float ballsize = Mathf.Clamp(m_resolution * 0.25f, 0.5f, 5f);
m_spawner.m_spawnRange = m_range;
m_spawner.m_spawnerBounds = new Bounds(transform.position, new Vector3(m_range * 2f, m_range * 20f, m_range * 2f));
SpawnInfo spawnInfo = new SpawnInfo();
Vector3 location = new Vector3();
float fitness = 0f;
//Create caches
if ((DateTime.Now - m_lastCacheUpdateDate).TotalSeconds > 5)
{
m_lastCacheUpdateDate = DateTime.Now;
m_spawner.DeleteSpawnCaches();
m_spawner.CreateSpawnCaches(m_selectedResourceType, m_selectedResourceIdx);
//Also update the location so make moving it easier
Terrain terrain = TerrainHelper.GetTerrain(transform.position);
if (terrain != null)
{
transform.position = new Vector3(transform.position.x, terrain.SampleHeight(transform.position) + 5f, transform.position.z);
}
}
//Set up the texture layer array in spawn info
spawnInfo.m_textureStrengths = new float[Terrain.activeTerrain.terrainData.alphamapLayers];
//Now visualise fitness
for (x = xStart; x < xEnd; x += m_resolution)
{
for (z = zStart; z < zEnd; z += m_resolution)
{
location.Set(x, y, z);
if (m_spawner.CheckLocation(location, ref spawnInfo))
{
fitness = GetFitness(ref spawnInfo);
if (fitness < m_minimumFitness)
{
continue;
}
Gizmos.color = Color.Lerp(m_unfitColour, m_fitColour, fitness);
Gizmos.DrawSphere(spawnInfo.m_hitLocationWU, ballsize);
}
}
}
//Now draw water
//Water
if (m_resources != null)
{
Bounds bounds = new Bounds();
if (TerrainHelper.GetTerrainBounds(transform.position, ref bounds) == true)
{
bounds.center = new Vector3(bounds.center.x, m_resources.m_seaLevel, bounds.center.z);
bounds.size = new Vector3(bounds.size.x, 0.05f, bounds.size.z);
Gizmos.color = new Color(Color.blue.r, Color.blue.g, Color.blue.b, Color.blue.a / 4f);
Gizmos.DrawCube(bounds.center, bounds.size);
}
}
}
/// <summary>
/// Return fitness of the spawninfo object - not ideal as it forces closer coupling
/// </summary>
/// <param name="spawnInfo">Spawn infor object</param>
/// <returns>Fitness at that location 0..1</returns>
public float GetFitness(ref SpawnInfo spawnInfo)
{
//Make sure we are initialised
if (!m_isInitialised)
{
Initialise(spawnInfo.m_spawner);
}
//Check for active or not
if (!m_isActive)
{
return(0f);
}
//Check for virgin (clear terrain)
if (m_virginTerrain == true)
{
if (spawnInfo.m_wasVirginTerrain != true)
{
return(0f);
}
}
//Set default fitness
float fitness = 1f;
//Check height
if (m_checkHeight)
{
fitness = Mathf.Min(fitness, GetHeightFitness(spawnInfo.m_terrainHeightWU, GaiaSessionManager.GetSessionManager().GetSeaLevel()));
}
//Check slope
if (m_checkSlope && fitness > 0f)
{
if (m_checkType == GaiaConstants.SpawnerLocationCheckType.PointCheck)
{
fitness = Mathf.Min(fitness, GetSlopeFitness(spawnInfo.m_terrainSlopeWU));
}
else
{
//fitness = Mathf.Min(fitness, GetSlopeFitness(spawnInfo.m_areaHitSlopeWU));
fitness = Mathf.Min(fitness, GetSlopeFitness(spawnInfo.m_areaAvgSlopeWU));
}
}
//Check textures
if (m_checkTexture && fitness > 0f)
{
fitness = Mathf.Min(fitness, GetTextureFitness(spawnInfo.m_textureStrengths));
}
//Check proximity
if (m_checkProximity && fitness > 0f)
{
Rect area = new Rect(spawnInfo.m_hitLocationWU.x - m_maxProximity, spawnInfo.m_hitLocationWU.z - m_maxProximity, m_maxProximity * 2f, m_maxProximity * 2f);
GameObject closestObject = null; //spawnInfo.m_spawner.GetClosestObject(m_proximityTag, area);
if (closestObject != null)
{
fitness = Mathf.Min(fitness, GetProximityFitness(Vector3.Distance(closestObject.transform.position, spawnInfo.m_hitLocationWU)));
}
else
{
fitness = 0f;
}
}
//Exit with final fitness
return(fitness);
}
/// <summary>
/// Return the value of the least fittest object in the spawn criteria
/// </summary>
/// <param name="spawner">The spawner we belong to</param>
/// <param name="location">The location we are checking</param>
/// <param name="slope"></param>
/// <returns>Fitness in range 0..1f</returns>
public float GetMinFitness(ref SpawnInfo spawnInfo)
{
//Get the filters
SpawnCritera[] filters;
switch (m_selectedResourceType)
{
case GaiaConstants.SpawnerResourceType.TerrainDetail:
{
if (m_selectedResourceIdx >= spawnInfo.m_spawner.m_resources.m_detailPrototypes.Length)
{
return(0f);
}
filters = spawnInfo.m_spawner.m_resources.m_detailPrototypes[m_selectedResourceIdx].m_spawnCriteria;
break;
}
case GaiaConstants.SpawnerResourceType.TerrainTexture:
{
if (m_selectedResourceIdx >= spawnInfo.m_spawner.m_resources.m_texturePrototypes.Length)
{
return(0f);
}
filters = spawnInfo.m_spawner.m_resources.m_texturePrototypes[m_selectedResourceIdx].m_spawnCriteria;
break;
}
case GaiaConstants.SpawnerResourceType.TerrainTree:
{
if (m_selectedResourceIdx >= spawnInfo.m_spawner.m_resources.m_treePrototypes.Length)
{
return(0f);
}
filters = spawnInfo.m_spawner.m_resources.m_treePrototypes[m_selectedResourceIdx].m_spawnCriteria;
break;
}
default:
{
if (m_selectedResourceIdx >= spawnInfo.m_spawner.m_resources.m_gameObjectPrototypes.Length)
{
return(0f);
}
filters = spawnInfo.m_spawner.m_resources.m_gameObjectPrototypes[m_selectedResourceIdx].m_spawnCriteria;
break;
}
}
//Drop out if we have no filters
if (filters == null || filters.Length == 0)
{
return(0f);
}
//Now calculate fitness
float minFitness = float.MaxValue;
int filterIdx;
SpawnCritera filter;
float fitness = 0f;
for (filterIdx = 0; filterIdx < filters.Length; filterIdx++)
{
filter = filters[filterIdx];
//Check to see of this filter needs a bounds check
if (filter.m_checkType == GaiaConstants.SpawnerLocationCheckType.BoundedAreaCheck)
{
if (!spawnInfo.m_spawner.CheckLocationBounds(ref spawnInfo, GetMaxScaledRadius(ref spawnInfo)))
{
return(0f);
}
}
//Now calculate and process fitness
fitness = filter.GetFitness(ref spawnInfo);
if (fitness < minFitness)
{
minFitness = fitness;
if (minFitness <= 0f)
{
return(minFitness);
}
}
}
if (minFitness == float.MaxValue)
{
return(0f);
}
else
{
return(minFitness);
}
}
/// <summary>
/// Call this to get the degree of completion in range 0..1.
/// </summary>
/// <param name="spawner">The spawner this is for</param>
/// <param name="objSpawned">The object that was spawned in the spawn step (if relevant)</param>
/// <returns>Return the completion in range of 0 (not started) .. 1 (completed)</returns>
public override void PostSpawn(SpawnRule spawnRule, ref SpawnInfo spawnInfo)
{
//See if we can load the texture
if (m_textureHM == null || !m_textureHM.HasData())
{
return;
}
//Get the terrain
Terrain t = Gaia.TerrainHelper.GetTerrain(spawnInfo.m_hitLocationWU);
if (t == null)
{
return;
}
//Get the cached texture maps
List <HeightMap> txtMaps = spawnInfo.m_spawner.GetTextureMaps(spawnInfo.m_hitTerrain.GetInstanceID());
if (txtMaps == null || m_textureIndex >= txtMaps.Count)
{
return;
}
//Make some speedy calculations
float widthWU = spawnInfo.m_hitTerrain.terrainData.size.x;
float depthWU = spawnInfo.m_hitTerrain.terrainData.size.z;
float radiusWU = spawnRule.GetMaxScaledRadius(ref spawnInfo) * m_scaleMask;
float xStartWU = spawnInfo.m_hitLocationWU.x - (radiusWU / 2f);
float zStartWU = spawnInfo.m_hitLocationWU.z - (radiusWU / 2f);
float xEndWU = xStartWU + radiusWU;
float zEndWU = zStartWU + radiusWU;
float stepWU = 0.5f;
Vector3 locationWU = Vector3.zero;
float xRotNU = 0f, zRotNU = 0f;
float currStrength = 0f, newStrength = 1f;
for (float x = xStartWU; x < xEndWU; x += stepWU)
{
for (float z = zStartWU; z < zEndWU; z += stepWU)
{
//Need to rotate x,z around the pivot by the rotation angle
locationWU = new Vector3(x, spawnInfo.m_hitLocationWU.y, z);
locationWU = Gaia.Utils.RotatePointAroundPivot(locationWU, spawnInfo.m_hitLocationWU, new Vector3(0f, spawnInfo.m_spawnRotationY, 0f));
//Now normalise the result
xRotNU = (locationWU.x / widthWU) + 0.5f;
zRotNU = (locationWU.z / depthWU) + 0.5f;
//Drop out if out of bounds
if (xRotNU < 0f || xRotNU >= 1f || zRotNU < 0f || zRotNU > 1f)
{
continue;
}
//Only interested in increasing values
currStrength = txtMaps[m_textureIndex][zRotNU, xRotNU];
newStrength = m_textureHM[(x - xStartWU) / radiusWU, (z - zStartWU) / radiusWU];
if (newStrength > currStrength)
{
float delta = newStrength - currStrength;
float theRest = 1f - currStrength;
float adjustment = 0f;
if (theRest != 0f)
{
adjustment = 1f - (delta / theRest);
}
for (int idx = 0; idx < txtMaps.Count; idx++)
{
if (idx == m_textureIndex)
{
txtMaps[idx][zRotNU, xRotNU] = newStrength;
}
else
{
txtMaps[idx][zRotNU, xRotNU] *= adjustment;
}
}
}
}
}
spawnInfo.m_spawner.SetTextureMapsDirty();
}