private void CreateNavMesh()
{
MsgGetTerrainEntity getTerrainMsg = ObjectPool.Aquire <MsgGetTerrainEntity>();
getTerrainMsg.UniqueTarget = this.Game.TerrainID;
this.Game.SendMessage(getTerrainMsg);
if (getTerrainMsg.TerrainEntity == null)
{
throw new Exception("The terrain must be initialized before a NavMesh can be generated");
}
this.terrain = getTerrainMsg.TerrainEntity;
this.terrainComp = this.terrain.GetComponentByType(ComponentType.TerrainComponent) as TerrainComponent;
meshGenerator.GenerateNavMesh(this.terrain);
if (meshGenerator.MeshGenerated)
{
meshChunks = meshGenerator.chunkDictionary;
meshGenerator.nodeDictionary.Clear();
meshGenerator.nodeDictionary = null;
foreach (NavMeshChunk chunk in meshChunks.Values)
{
chunk.UpdateAABB();
}
}
}
/// <summary>
/// Send a message directly to an Entity through this method.
/// </summary>
/// <param name="message">Message to send</param>
/// <returns>Returns true if message was handled</returns>
public override bool ExecuteMessage(IMessage message)
{
if (message.UniqueTarget != this.parentEntity.UniqueID)
{
return(false);
}
switch (message.Type)
{
case MessageType.GetTerrainHeightAtXZ:
{
MsgGetTerrainHeight getHeightMsg = message as MsgGetTerrainHeight;
message.TypeCheck(getHeightMsg);
getHeightMsg.PositionAboveTerrain = IsAboveTerrain(getHeightMsg.XPos, getHeightMsg.ZPos);
if (getHeightMsg.PositionAboveTerrain)
{
getHeightMsg.OutHeight = GetTerrainHeight(getHeightMsg.XPos, getHeightMsg.ZPos);
}
}
return(true);
case MessageType.GetTerrainEntity:
{
MsgGetTerrainEntity getTerrainMsg = message as MsgGetTerrainEntity;
message.TypeCheck(getTerrainMsg);
getTerrainMsg.TerrainEntity = this.parentEntity;
}
return(true);
case MessageType.ToggleTerrainDisplayBoundingBoxes:
{
MsgToggleDisplayBoundingBoxes msgDisplayBoxes = message as MsgToggleDisplayBoundingBoxes;
message.TypeCheck(msgDisplayBoxes);
// Toggle display of bounding boxes
displayBoundingBoxes = !displayBoundingBoxes;
}
return(true);
case MessageType.GetTerrainProperties:
{
MsgGetTerrainProperties msgTerrain = message as MsgGetTerrainProperties;
message.TypeCheck(msgTerrain);
msgTerrain.HeightMap = this.heightMap;
msgTerrain.MinHeight = this.MinimumHeight;
msgTerrain.MaxHeight = this.MaximumHeight;
msgTerrain.TerrainScale = this.ScaleFactor;
msgTerrain.ElevationStrength = this.ElevationStrength;
msgTerrain.Size = this.size;
}
return(true);
default:
return(false);
}
}
