public override void OnSceneGUI()
{
Bounds editBounds = new Bounds();
bool updateVegetation = false;
_terrain = (Terrain)target;
int buttonIndex = GetActiveButton();
Event current = Event.current;
int controlId = GUIUtility.GetControlID(EditorInstance.GetHashCode(), FocusType.Passive);
var currentEventType = current.GetTypeForControl(controlId);
if (buttonIndex <= 3)
{
switch (currentEventType)
{
case EventType.MouseDown:
case EventType.MouseUp:
case EventType.MouseDrag:
if (current.button == 0)
{
var size = EditorPrefs.GetInt("TerrainBrushSize");
Ray ray = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
RaycastHit raycastHit;
if (_terrain.GetComponent <Collider>().Raycast(ray, out raycastHit, float.PositiveInfinity))
{
var pos = raycastHit.point;
float sizeScale = 5f;
editBounds = new Bounds(pos, new Vector3(size * sizeScale, size, size * sizeScale));
updateVegetation = true;
}
}
break;
}
if (currentEventType == EventType.MouseDown)
{
_combindedBounds = new Bounds(editBounds.center, editBounds.size);
}
else if (currentEventType == EventType.MouseDrag || currentEventType == EventType.MouseUp)
{
_combindedBounds.Encapsulate(editBounds);
}
}
base.OnSceneGUI();
if (updateVegetation)
{
if (buttonIndex < 3)
{
if (currentEventType == EventType.MouseUp)
{
_combindedBounds.Expand(4f);
VegetationStudioManager.RefreshTerrainHeightMap(_combindedBounds);
}
}
else
{
editBounds.Expand(1f);
VegetationStudioManager.ClearCache(editBounds);
}
}
}
void DrawSettingsInspector()
{
GUILayout.BeginVertical("box");
EditorGUILayout.LabelField("Settings", LabelStyle);
EditorGUI.BeginChangeCheck();
GUILayout.BeginHorizontal();
_meshTerrain.MeshTerrainData = EditorGUILayout.ObjectField("Mesh terrain data", _meshTerrain.MeshTerrainData, typeof(MeshTerrainData), true) as MeshTerrainData;
if (GUILayout.Button("Create MeshTerrainData object"))
{
CreateMeshTerrainDataObject();
}
GUILayout.EndHorizontal();
if (EditorGUI.EndChangeCheck())
{
if (_meshTerrain.MeshTerrainData)
{
_meshTerrain.RefreshTerrainData();
}
}
EditorGUILayout.HelpBox(
"Create and drop a MeshTerrainData object here. This will store the generated mesh terrain data.",
MessageType.Info);
GUILayout.EndVertical();
GUILayout.BeginVertical("box");
EditorGUILayout.LabelField("Spawning", LabelStyle);
EditorGUI.BeginChangeCheck();
_meshTerrain.MultiLevelRaycast =
EditorGUILayout.Toggle("Multi level spawning", _meshTerrain.MultiLevelRaycast);
EditorGUILayout.HelpBox(
"Enabling multi level spawning will spawn vegetation on all intercecting levels in the mesh.",
MessageType.Info);
if (EditorGUI.EndChangeCheck())
{
VegetationStudioManager.ClearCache();
EditorUtility.SetDirty(_meshTerrain);
}
GUILayout.EndVertical();
GUILayout.BeginVertical("box");
_meshTerrain.AutoAddToVegegetationSystem =
EditorGUILayout.Toggle("Add/Remove at Enable/Disable", _meshTerrain.AutoAddToVegegetationSystem);
EditorGUILayout.HelpBox("When set the terrain will add and remove itself when enabled/disabled. This will only work if automatic area calculation is disabled on the VegetationSystem. This is only done in playmode and builds", MessageType.Info);
//_meshTerrain.ApplyFloatingOriginOffset = EditorGUILayout.Toggle("Apply floating origin at enable.", _meshTerrain.ApplyFloatingOriginOffset);
//EditorGUILayout.HelpBox("Disable this if the loaded terrain is instantiated at original location and then moved to match floating origin.", MessageType.Info);
GUILayout.EndVertical();
GUILayout.BeginVertical("box");
EditorGUILayout.LabelField("Info", LabelStyle);
MeshTerrainData meshTerrainData = _meshTerrain.MeshTerrainData;
if (meshTerrainData != null)
{
EditorGUILayout.LabelField("Nodes: " + meshTerrainData.lNodes.Count, LabelStyle);
EditorGUILayout.LabelField("Triangles: " + meshTerrainData.lPrims.Count, LabelStyle);
}
GUILayout.EndVertical();
}
public void RefreshTerrain(Bounds bounds)
{
VegetationStudioManager.RefreshTerrainArea(bounds);
VegetationStudioManager.ClearCache(bounds);
}
void DrawSourceInspector()
{
GUILayout.BeginVertical("box");
EditorGUILayout.LabelField("Add terrain sources", LabelStyle);
bool addMesh = false;
GUILayout.BeginHorizontal();
DropZoneTools.DrawMeshTerrainDropZone(DropZoneType.MeshRenderer, _meshTerrain, ref addMesh);
//DropZoneTools.DrawMeshTerrainDropZone(DropZoneType.Terrain, _meshTerrain, ref addMesh);
GUILayout.EndHorizontal();
EditorGUILayout.HelpBox(
"Drop a mesh renderers or Unity terrains to add them to the terrain source data.",
MessageType.Info);
_meshTerrain.Filterlods = EditorGUILayout.Toggle("Skip LODs", _meshTerrain.Filterlods);
EditorGUILayout.HelpBox("When checked import will skip all meshes with the name containing LOD1,LOD2 or LOD3.",
MessageType.Info);
GUILayout.EndVertical();
if (addMesh)
{
EditorUtility.SetDirty(target);
return;
}
GUILayout.BeginVertical("box");
EditorGUILayout.LabelField("Included sources", LabelStyle);
EditorGUILayout.Space();
int removeIndex = -1;
if (_meshTerrain.MeshTerrainMeshSourceList.Count > 0)
{
EditorGUILayout.LabelField("Meshes", LabelStyle);
for (int i = 0; i <= _meshTerrain.MeshTerrainMeshSourceList.Count - 1; i++)
{
GUILayout.BeginHorizontal();
MeshTerrainMeshSource meshTerrainMeshSource = _meshTerrain.MeshTerrainMeshSourceList[i];
EditorGUI.BeginChangeCheck();
EditorGUILayout.LabelField("Mesh: ", LabelStyle, GUILayout.Width(50));
meshTerrainMeshSource.MeshRenderer = EditorGUILayout.ObjectField("", meshTerrainMeshSource.MeshRenderer, typeof(MeshRenderer), true, GUILayout.Width(150)) as MeshRenderer;
meshTerrainMeshSource.TerrainSourceID = (TerrainSourceID)EditorGUILayout.EnumPopup("", meshTerrainMeshSource.TerrainSourceID, GUILayout.Width(150));
if (GUILayout.Button("Remove"))
{
removeIndex = i;
}
if (EditorGUI.EndChangeCheck())
{
_meshTerrain.MeshTerrainMeshSourceList[i] = meshTerrainMeshSource;
_meshTerrain.NeedGeneration = true;
EditorUtility.SetDirty(target);
}
GUILayout.EndHorizontal();
}
}
if (removeIndex > -1)
{
_meshTerrain.MeshTerrainMeshSourceList.RemoveAt(removeIndex);
_meshTerrain.NeedGeneration = true;
EditorUtility.SetDirty(target);
//HandleUtility.Repaint();
}
if (_meshTerrain.MeshTerrainTerrainSourceList.Count > 0)
{
EditorGUILayout.LabelField("Terrains", LabelStyle);
}
GUILayout.EndVertical();
if (_meshTerrain.MeshTerrainData)
{
GUILayout.BeginVertical("box");
EditorGUILayout.LabelField("Generate terrain data", LabelStyle);
if (_meshTerrain.NeedGeneration)
{
EditorGUILayout.HelpBox(
"The terrain sources have changed. Mesh terrain data needs to be regenerated.",
MessageType.Warning);
}
if (GUILayout.Button("Generate terrain data"))
{
_meshTerrain.GenerateMeshTerrain();
_meshTerrain.NeedGeneration = false;
VegetationStudioManager.ClearCache();
}
EditorGUILayout.HelpBox(
"The generated data will be stored in the assigned MeshTerrainData object.",
MessageType.Info);
GUILayout.EndVertical();
}
else
{
EditorGUILayout.HelpBox(
"You need to create and assign a mesh terrain data in order to generate the BVH tree.",
MessageType.Warning);
}
}
