private static string GetAreaEnumValuesAsText(ref string[] areaNames)
{
var increment = 0;
var output = new StringBuilder();
var seenKeys = new HashSet <string>();
foreach (var name in areaNames)
{
var enumKey = string.Concat(name.Where(char.IsLetterOrDigit));
var value = 1 << NavMesh.GetAreaFromName(name);
output.Append(seenKeys.Contains(name)
? $"{(enumKey + increment++)} = {value}, "
: $"{enumKey} = {value}, ");
seenKeys.Add(enumKey);
}
return(output.ToString());
}
void AddObstacles(List <NavMeshBuildSource> sources)
{
// ---------Terrain trees-- - ------
Terrain terrain = Terrain.activeTerrain;
TerrainData terrainData = terrain.terrainData;
Vector3 size = Terrain.activeTerrain.terrainData.size;
Vector3 terrainPos = terrain.GetPosition();
//Debug.Log("terrainPos = " + terrainPos);
int treesArea = NavMesh.GetAreaFromName("Not Walkable");
if (treesArea < 0)
{
Debug.LogError("Unrecognized area name! The default area will be used instead.");
treesArea = 0;
}
TreePrototype[] treePrototypes = terrainData.treePrototypes;
TreeInstance[] treeInstances = terrainData.treeInstances;
for (int i = 0; i < treeInstances.Length; i++)
{
//treeInstances[i] is the current ACTUAL tree we're going over.
//the tree prototype is the "template" used by this tree.
TreePrototype prototype = treePrototypes[treeInstances[i].prototypeIndex];
GameObject prefab = prototype.prefab;
NavMeshObstacle obstacle = prefab.GetComponent <NavMeshObstacle>();
if (obstacle == null)
{
continue;
}
//Debug.Log("treeInstances[" + i + "] info:\n" + treeInstances[i].position + " " + treeInstances[i].rotation + " " + treeInstances[i].widthScale + " " + treeInstances[i].heightScale);
Vector3 worldTreePos = terrainPos + Vector3.Scale(treeInstances[i].position, size)
+ obstacle.center;
Quaternion worldTreeRot = Quaternion.Euler(0, treeInstances[i].rotation * Mathf.Rad2Deg, 0);
Vector3 worldTreeScale = new Vector3(treeInstances[i].widthScale, treeInstances[i].heightScale, treeInstances[i].widthScale);
//Debug.Log("CREATED MATRIX FOR TRS:\nworldTreePos = " + worldTreePos + "\nworldTreeRot = " + worldTreeRot + "\nworldTreeScale = " + worldTreeScale);
NavMeshBuildSource src = new NavMeshBuildSource();
src.transform = Matrix4x4.TRS(worldTreePos, worldTreeRot, worldTreeScale);
switch (obstacle.shape)
{
case NavMeshObstacleShape.Capsule:
src.shape = NavMeshBuildSourceShape.Capsule;
//Unity 2019.2.0f1: BUG!! navMeshObstacle.height returns exactly HALF of the actual height of the obstacle.
//Use the size property instead.
src.size = obstacle.size;
break;
case NavMeshObstacleShape.Box:
src.shape = NavMeshBuildSourceShape.Box;
src.size = obstacle.size;
break;
default:
Debug.LogError("Unsupported type of " + typeof(NavMeshObstacleShape).Name
+ " for the building of the " + typeof(NavMeshSurface).Name + "! (" + obstacle.shape + ")");
break;
}
src.size = Vector3.Scale(src.size, prefab.transform.localScale);
//Debug.Log("src.size = " + src.size);
src.area = treesArea;
sources.Add(src);
}
// --- --- --- End of Terrain trees --- --- ---
}
List <NavMeshBuildSource> CollectSources()
{
var sources = new List <NavMeshBuildSource>();
var markups = new List <NavMeshBuildMarkup>();
List <NavMeshModifier> modifiers;
if (m_CollectObjects == CollectObjects.Children)
{
modifiers = new List <NavMeshModifier>(GetComponentsInChildren <NavMeshModifier>());
modifiers.RemoveAll(x => !x.isActiveAndEnabled);
}
else
{
modifiers = NavMeshModifier.activeModifiers;
}
foreach (var m in modifiers)
{
if ((m_LayerMask & (1 << m.gameObject.layer)) == 0)
{
continue;
}
if (!m.AffectsAgentType(m_AgentTypeID))
{
continue;
}
var markup = new NavMeshBuildMarkup();
markup.root = m.transform;
markup.overrideArea = m.overrideArea;
markup.area = m.area;
markup.ignoreFromBuild = m.ignoreFromBuild;
markups.Add(markup);
}
#if UNITY_EDITOR
if (!EditorApplication.isPlaying)
{
if (m_CollectObjects == CollectObjects.All)
{
UnityEditor.AI.NavMeshBuilder.CollectSourcesInStage(
null, m_LayerMask, m_UseGeometry, m_DefaultArea, markups, gameObject.scene, sources);
}
else if (m_CollectObjects == CollectObjects.Children)
{
UnityEditor.AI.NavMeshBuilder.CollectSourcesInStage(
transform, m_LayerMask, m_UseGeometry, m_DefaultArea, markups, gameObject.scene, sources);
}
else if (m_CollectObjects == CollectObjects.Volume)
{
Matrix4x4 localToWorld = Matrix4x4.TRS(transform.position, transform.rotation, Vector3.one);
var worldBounds = GetWorldBounds(localToWorld, new Bounds(m_Center, m_Size));
UnityEditor.AI.NavMeshBuilder.CollectSourcesInStage(
worldBounds, m_LayerMask, m_UseGeometry, m_DefaultArea, markups, gameObject.scene, sources);
}
}
else
#endif
{
if (m_CollectObjects == CollectObjects.All)
{
NavMeshBuilder.CollectSources(null, m_LayerMask, m_UseGeometry, m_DefaultArea, markups, sources);
}
else if (m_CollectObjects == CollectObjects.Children)
{
NavMeshBuilder.CollectSources(transform, m_LayerMask, m_UseGeometry, m_DefaultArea, markups, sources);
}
else if (m_CollectObjects == CollectObjects.Volume)
{
Matrix4x4 localToWorld = Matrix4x4.TRS(transform.position, transform.rotation, Vector3.one);
var worldBounds = GetWorldBounds(localToWorld, new Bounds(m_Center, m_Size));
NavMeshBuilder.CollectSources(worldBounds, m_LayerMask, m_UseGeometry, m_DefaultArea, markups, sources);
}
}
// --- --- --- Terrain trees --- --- ---
Terrain[] terrains = GameObject.FindObjectsOfType <Terrain>();
if (terrains.Length > 0)
{
foreach (Terrain item in terrains)
{
Terrain terrain = item.GetComponent <Terrain>();
TerrainData terrainData = terrain.terrainData;
Vector3 size = Terrain.activeTerrain.terrainData.size;
Vector3 terrainPos = terrain.GetPosition();
if (m_Debug)
{
Debug.Log("terrainPos = " + terrainPos);
}
int treesArea = NavMesh.GetAreaFromName("Not Walkable");
if (treesArea < 0)
{
Debug.LogError("Unrecognized area name! The default area will be used instead.");
treesArea = 0;
}
TreePrototype[] treePrototypes = terrainData.treePrototypes;
TreeInstance[] treeInstances = terrainData.treeInstances;
if (m_Debug)
{
Debug.Log("trees found = " + treeInstances.Length);
}
for (int i = 0; i < treeInstances.Length; i++)
{
//treeInstances[i] is the current ACTUAL tree we're going over.
//the tree prototype is the "template" used by this tree.
TreePrototype prototype = treePrototypes[treeInstances[i].prototypeIndex];
GameObject prefab = prototype.prefab;
NavMeshObstacle obstacle = prefab.GetComponent <NavMeshObstacle>();
Collider collider = prefab.GetComponentInChildren <Collider>();
bool obstacleBool = obstacle != null && (m_SelectionType == SelectionType.All || m_SelectionType == SelectionType.Obstacles);
bool colliderBool = collider != null && (m_SelectionType == SelectionType.All || m_SelectionType == SelectionType.Colliders);
if (obstacleBool || colliderBool)
{
Vector3 center = Vector3.zero;
if (obstacle != null)
{
center = obstacle.center;
}
else if (collider != null)
{
center = collider.bounds.center;
}
if (m_Debug)
{
Debug.Log("treeInstances[" + i + "] info:\n" + treeInstances[i].position + " " + treeInstances[i].rotation + " " + treeInstances[i].widthScale + " " + treeInstances[i].heightScale);
}
Vector3 worldTreePos = terrainPos + Vector3.Scale(treeInstances[i].position, size) + center;
Quaternion worldTreeRot = Quaternion.Euler(0, treeInstances[i].rotation * Mathf.Rad2Deg, 0);
Vector3 worldTreeScale = new Vector3(treeInstances[i].widthScale, treeInstances[i].heightScale, treeInstances[i].widthScale);
if (m_Debug)
{
Debug.Log("CREATED MATRIX FOR TRS:\nworldTreePos = " + worldTreePos + "\nworldTreeRot = " + worldTreeRot + "\nworldTreeScale = " + worldTreeScale);
}
NavMeshBuildSource src = new NavMeshBuildSource();
src.transform = Matrix4x4.TRS(worldTreePos, worldTreeRot, worldTreeScale);
if (obstacleBool)
{
switch (obstacle.shape)
{
case NavMeshObstacleShape.Capsule:
src.shape = NavMeshBuildSourceShape.Capsule;
//Unity 2019.2.0f1: BUG!! navMeshObstacle.height returns exactly HALF of the actual height of the obstacle.
//Use the size property instead.
src.size = obstacle.size;
break;
case NavMeshObstacleShape.Box:
src.shape = NavMeshBuildSourceShape.Box;
src.size = obstacle.size;
break;
default:
Debug.LogError("Unsupported type of " + typeof(NavMeshObstacleShape).Name
+ " for the building of the " + typeof(NavMeshSurface).Name + "! (" + obstacle.shape + ")");
break;
}
}
else if (colliderBool)
{
if (collider is CapsuleCollider)
{
src.shape = NavMeshBuildSourceShape.Capsule;
//Unity 2019.2.0f1: BUG!! navMeshObstacle.height returns exactly HALF of the actual height of the obstacle.
//Use the size property instead.
src.size = ((CapsuleCollider)collider).radius * Vector3.one * m_ColliderTolerance;
}
else if (collider is BoxCollider)
{
src.shape = NavMeshBuildSourceShape.Box;
src.size = collider.bounds.size * m_ColliderTolerance;
}
else
{
Debug.LogError("Unsupported type of " + typeof(NavMeshObstacleShape).Name
+ " for the building of the " + typeof(NavMeshSurface).Name + "! (" + obstacle.shape + ")");
}
}
// Scale size
src.size = Vector3.Scale(src.size, prefab.transform.localScale);
if (m_Debug)
{
Debug.Log("src.size = " + src.size);
}
src.area = treesArea;
sources.Add(src);
}
}
}
}
// --- --- --- End of Terrain trees --- --- ---
if (m_IgnoreNavMeshAgent)
{
sources.RemoveAll((x) => (x.component != null && x.component.gameObject.GetComponent <NavMeshAgent>() != null));
}
if (m_IgnoreNavMeshObstacle)
{
sources.RemoveAll((x) => (x.component != null && x.component.gameObject.GetComponent <NavMeshObstacle>() != null));
}
AppendModifierVolumes(ref sources);
return(sources);
}
