static void RenderGizmos(TerrainSettings resizer, GizmoType gizmoType) // TODO remove this render gizmo stuff
{
Terrain terrain = resizer.GetComponent <Terrain>();
TerrainData terrainData = terrain.terrainData;
bool bAdjustPlane = EditorPrefs.GetBool(PrefName_AdjustPlane, false);
bool bAdjustHeight = EditorPrefs.GetBool(PrefName_AdjustHeight, false);
bool bShowHalfSize = EditorPrefs.GetBool(PrefName_ShowHalfSize, false);
// Border
if (bAdjustPlane || bAdjustHeight)
{
DrawBox(terrain, Vector3.zero, terrainData.size, Color.white);
}
// Half size
if (bAdjustPlane && bShowHalfSize)
{
float minX = terrainData.size.x * 0.25f;
float minZ = terrainData.size.z * 0.25f;
float maxX = terrainData.size.x - minX;
float maxZ = terrainData.size.z - minZ;
DrawBox(terrain, new Vector3(minX, 0, minZ), new Vector3(maxX, terrainData.size.y, maxZ), Color.yellow);
}
}
void OnSceneGUI()
{
TerrainSettings terrainResizer = (TerrainSettings)target;
Terrain terrain = terrainResizer.GetComponent <Terrain>();
// Draw bounds
Handles.color = Color.yellow;
Vector3 size = Vector3.Scale(terrain.terrainData.size, terrainResizer.transform.localScale);
Handles.DrawWireCube(terrainResizer.transform.position + size * 0.5f, size);
}
public override void OnInspectorGUI()
{
int smallButtonSize = 50;
int largeButtonSize = smallButtonSize * 2 + 4;
TerrainSettings terrainResizer = (TerrainSettings)target;
Terrain terrain = terrainResizer.GetComponent <Terrain>();
if (terrain == null)
{
EditorGUILayout.HelpBox("TerrainResizer needs to be attached to gameobject with a Terrain component", MessageType.Error);
return;
}
TerrainData terrainData = terrain.terrainData;
if (terrainData == null)
{
EditorGUILayout.HelpBox("Terrain has no valid terrain data", MessageType.Error);
return;
}
// Plane
{
// bool show = DrawEditorPrefFoldout("Plane (XZ-axis)",PrefName_AdjustPlane);
// if (show)
{
EditorGUILayout.LabelField("Planar Size (XZ-axis):", EditorStyles.boldLabel);
// EditorGUI.indentLevel++;
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Size:", GUILayout.Width(100));
GUILayout.FlexibleSpace();
if (GUILayout.Button(new GUIContent("Double", "Doubles terrain size while maintaining terrain feature proportions"), GUILayout.Width(smallButtonSize)))
{
Vector3 oldPlaneSize = terrainData.size;
oldPlaneSize.y = 0.0f;
EditorSceneManager.MarkAllScenesDirty();
float defaultHeight = 0;
TerrainSettingsHelper.GetEdgeHeight(terrain, out defaultHeight);
// TODO: find border material
TerrainSettingsHelper.DoubleTerrainPlaneSize(terrain, defaultHeight, 0);
TerrainSettingsHelper.AdjustTransform(terrain, -oldPlaneSize * 0.5f, EditorPrefs.GetBool(PrefName_KeepFeatureWorldPos), EditorPrefs.GetBool(PrefName_UpdateChildPosition));
}
if (GUILayout.Button(new GUIContent("Halve", "Halves terrain size while maintaining proportions of terrain features at the center of the terrain. This is an destructive action."), GUILayout.Width(smallButtonSize)))
{
Vector3 oldPlaneSize = terrainData.size;
oldPlaneSize.y = 0.0f;
if (EditorUtility.DisplayDialog("Halve terrain size?",
"Are you sure you want to halve terrain size? This is a destructive action and all data outside center half of the terrain will be lost. Please use halfsize indicator to verify before continuing.", "Do it!", "Cancel"))
{
EditorSceneManager.MarkAllScenesDirty();
TerrainSettingsHelper.HalveTerrainPlaneSize(terrain);
TerrainSettingsHelper.AdjustTransform(terrain, oldPlaneSize * 0.25f, EditorPrefs.GetBool(PrefName_KeepFeatureWorldPos), EditorPrefs.GetBool(PrefName_UpdateChildPosition));
}
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Center features:", GUILayout.Width(100));
GUILayout.FlexibleSpace();
if (GUILayout.Button("Center", GUILayout.Width(largeButtonSize)))
{
if (EditorUtility.DisplayDialog("Center Features?",
"Are you sure you want to center all terrain features. Only height data is used to determine extend of features so non-height data might end up outside terrain and be lost.", "Do it!", "Cancel"))
{
EditorSceneManager.MarkAllScenesDirty();
float edgeHeight;
TerrainSettingsHelper.GetEdgeHeight(terrain, out edgeHeight);
Rect bounds = new Rect();
TerrainSettingsHelper.GetHeightDataBounds(terrainData, edgeHeight, ref bounds);
int heightOffsetX = (terrainData.heightmapResolution - 1) / 2 - (int)Mathf.Floor(bounds.center.x);
int heightOffsetY = (terrainData.heightmapResolution - 1) / 2 - (int)Mathf.Floor(bounds.center.y);
TerrainSettingsHelper.MoveData(terrainData, edgeHeight, 0, heightOffsetX, heightOffsetY);
Vector2 deltaCenterDataSpace = new Vector2(terrainData.heightmapResolution * 0.5f, terrainData.heightmapResolution * 0.5f) - bounds.center;
Vector3 deltaCenterWorldSpace = new Vector3(deltaCenterDataSpace.y * terrainData.heightmapScale.x, 0.0f, deltaCenterDataSpace.x * terrainData.heightmapScale.z);
TerrainSettingsHelper.AdjustTransform(terrain, deltaCenterWorldSpace, EditorPrefs.GetBool(PrefName_KeepFeatureWorldPos), EditorPrefs.GetBool(PrefName_UpdateChildPosition));
}
}
EditorGUILayout.EndHorizontal();
// EditorGUI.indentLevel--;
}
}
// Height
{
// bool show = DrawEditorPrefFoldout("Height (Y-axis):",PrefName_AdjustHeight);
// if (show)
{
EditorGUILayout.LabelField("Height (Y-axis):", EditorStyles.boldLabel);
// EditorGUI.indentLevel ++;
// TODO Auto adjust ceiling/floor
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Adjust ceiling", GUILayout.Width(100));
GUILayout.FlexibleSpace();
if (GUILayout.Button("Up", GUILayout.Width(smallButtonSize)))
{
EditorSceneManager.MarkAllScenesDirty();
float delta = 10.0f;
TerrainSettingsHelper.AdjustCeiling(terrainData, delta);
}
if (GUILayout.Button("Down", GUILayout.Width(smallButtonSize)))
{
EditorSceneManager.MarkAllScenesDirty();
float delta = -10.0f;
TerrainSettingsHelper.AdjustCeiling(terrainData, delta);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Adjust floor", GUILayout.Width(100));
GUILayout.FlexibleSpace();
if (GUILayout.Button("Up", GUILayout.Width(smallButtonSize)))
{
EditorSceneManager.MarkAllScenesDirty();
// Vector3 oldSize = terrainData.size;
float delta = 10.0f;
if (TerrainSettingsHelper.AdjustFloor(terrainData, delta))
{
TerrainSettingsHelper.AdjustTransform(terrain, new Vector3(0, delta, 0), EditorPrefs.GetBool(PrefName_KeepFeatureWorldPos), EditorPrefs.GetBool(PrefName_UpdateChildPosition));
}
}
if (GUILayout.Button("Down", GUILayout.Width(smallButtonSize)))
{
EditorSceneManager.MarkAllScenesDirty();
// Vector3 oldSize = terrainData.size;
float delta = -10f;
if (TerrainSettingsHelper.AdjustFloor(terrainData, delta))
{
TerrainSettingsHelper.AdjustTransform(terrain, new Vector3(0, delta, 0), EditorPrefs.GetBool(PrefName_KeepFeatureWorldPos), EditorPrefs.GetBool(PrefName_UpdateChildPosition));
}
}
EditorGUILayout.EndHorizontal();
// EditorGUI.indentLevel --;
}
}
// Resolution
{
// bool show = DrawEditorPrefFoldout("Resolution",PrefName_AdjustResolution);
// if (show)
{
int minWidth = 20;
int valueWidth = 60;
EditorGUILayout.LabelField("Resolution:", EditorStyles.boldLabel);
// EditorGUI.indentLevel ++;
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Heightmap", GUILayout.MinWidth(minWidth));
GUILayout.FlexibleSpace();
EditorGUI.BeginDisabledGroup(true);
EditorGUILayout.FloatField(terrainData.heightmapResolution, GUILayout.Width(valueWidth));
EditorGUI.EndDisabledGroup();
if (GUILayout.Button("Double", GUILayout.Width(smallButtonSize)))
{
EditorSceneManager.MarkAllScenesDirty();
Texture2D texture = null;
TerrainSettingsHelper.HeightDataDouble(terrainData, ref texture);
// TerrainResizerHelper.DoubleHeightResolution(terrainData);
}
if (GUILayout.Button("Halve", GUILayout.Width(smallButtonSize)))
{
EditorSceneManager.MarkAllScenesDirty();
// TODO: destructive warning
Texture2D texture = null;
TerrainSettingsHelper.HeightDataHalve(terrainData, ref texture);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Control (Material)", GUILayout.MinWidth(minWidth));
GUILayout.FlexibleSpace();
EditorGUI.BeginDisabledGroup(true);
EditorGUILayout.FloatField(terrainData.alphamapResolution, GUILayout.Width(valueWidth));
EditorGUI.EndDisabledGroup();
if (GUILayout.Button("Double", GUILayout.Width(smallButtonSize)))
{
EditorSceneManager.MarkAllScenesDirty();
TerrainSettingsHelper.ChangeAlphaMapResolution(terrainData, terrainData.alphamapResolution * 2);
}
if (GUILayout.Button("Halve", GUILayout.Width(smallButtonSize)))
{
EditorSceneManager.MarkAllScenesDirty();
TerrainSettingsHelper.ChangeAlphaMapResolution(terrainData, terrainData.alphamapResolution / 2);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Detail", GUILayout.MinWidth(minWidth));
GUILayout.FlexibleSpace();
EditorGUI.BeginDisabledGroup(true);
EditorGUILayout.FloatField(terrainData.detailResolution, GUILayout.Width(valueWidth));
EditorGUI.EndDisabledGroup();
if (GUILayout.Button("Double", GUILayout.Width(smallButtonSize)))
{
EditorSceneManager.MarkAllScenesDirty();
// TODO
}
if (GUILayout.Button("Halve", GUILayout.Width(smallButtonSize)))
{
EditorSceneManager.MarkAllScenesDirty();
// TODO
}
EditorGUILayout.EndHorizontal();
// EditorGUI.indentLevel --;
}
}
// Resolution
{
{
EditorGUILayout.LabelField("Settings:", EditorStyles.boldLabel);
DrawEditorPrefToggle(new GUIContent("Show half size", "Show box indicating half size of terrain. Use this to visualize what data is lost when halving size"), PrefName_ShowHalfSize);
DrawEditorPrefToggle(new GUIContent("Keep feature world location", "Ensure all terrain features will keep world location by adjusting terrain origin when modifying terrain"), PrefName_KeepFeatureWorldPos);
DrawEditorPrefToggle(new GUIContent("Children follow features", "Ensure location of children are updated so they follow terrain features when terrain is modified"), PrefName_UpdateChildPosition);
}
}
if (GUILayout.Button("X axis"))
{
var map = terrain.terrainData.GetHeights(0, 0, terrain.terrainData.heightmapWidth, terrain.terrainData.heightmapHeight);
for (int i = 0; i < 50; i++)
{
map[i, 0] = 1;
}
terrain.terrainData.SetHeights(0, 0, map);
}
if (GUILayout.Button("Y axis"))
{
var map = terrain.terrainData.GetHeights(0, 0, terrain.terrainData.heightmapWidth, terrain.terrainData.heightmapHeight);
for (int i = 0; i < 50; i++)
{
map[0, i] = 1;
}
terrain.terrainData.SetHeights(0, 0, map);
}
}