public Texture2D GetRenderTexture(bool doRender = false)
{
if (PreviewGenerator != null)
{
PreviewGenerator.Initialize();
if (doRender)
{
PreviewGenerator.RenderPreviewTexture();
renderTextureChanged = false;
}
return(PreviewGenerator.PreviewTexture);
}
return(null);
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
PreviewGenerator previewGenerator =
(PreviewGenerator)fieldInfo.GetValue(property.serializedObject.targetObject);
// need to updated values with Serialization for Undo and Changes
SerializedProperty PanOffsetProperty = property.FindPropertyRelative("PanOffset");
SerializedProperty ZoomLevelProperty = property.FindPropertyRelative("ZoomLevel");
SerializedProperty ViewDirectionProperty = property.FindPropertyRelative("ViewDirection");
SerializedProperty ViewRightProperty = property.FindPropertyRelative("ViewRightDirection");
SerializedProperty ViewUpProperty = property.FindPropertyRelative("ViewUpDirection");
SerializedProperty RenderWidthProperty = property.FindPropertyRelative("RenderWidth");
SerializedProperty RenderHeightProperty = property.FindPropertyRelative("RenderHeight");
mouseOverTexture = texRect.Contains(Event.current.mousePosition);
if (mouseOverTexture && (Event.current.type == EventType.MouseDrag))
{
// do pan if the control key is pressed
if (Event.current.control)
{
Vector2 panOffset = PanOffsetProperty.vector2Value;
panOffset.x += Event.current.delta.x * panSpeed;
panOffset.y += Event.current.delta.y * panSpeed;
PanOffsetProperty.vector2Value = panOffset;
}
else if (Event.current.shift)
{
float newZoom = previewGenerator.ZoomLevel - Event.current.delta.y * zoomSpeed;
if (previewGenerator.OrthographicCamera)
{
newZoom = Mathf.Min(.999999f, newZoom);
}
ZoomLevelProperty.floatValue = newZoom;
}
else
{
Vector3 viewDirection = ViewDirectionProperty.vector3Value;
viewDirection += ViewRightProperty.vector3Value * (-Event.current.delta.x * rotSpeed * Mathf.Deg2Rad) +
ViewUpProperty.vector3Value * (-Event.current.delta.y * rotSpeed * Mathf.Deg2Rad);
viewDirection.Normalize();
ViewRightProperty.vector3Value = Vector3.Cross(ViewUpProperty.vector3Value, viewDirection).normalized;
// and new up Vector
ViewUpProperty.vector3Value = Vector3.Cross(viewDirection, ViewRightProperty.vector3Value).normalized;
ViewDirectionProperty.vector3Value = viewDirection;
}
if ((previewGenerator != null) && (previewGenerator.GameObjectToRender != null))
{
// allows high frame rate in inspector
previewGenerator.bRepaintNeeded = true;
}
return;
}
if ((Event.current.type == EventType.ValidateCommand) &&
(Event.current.commandName == "UndoRedoPerformed"))
{
if ((previewGenerator != null) && (previewGenerator.GameObjectToRender != null))
{
previewGenerator.bRepaintNeeded = true;
}
return;
}
// should we only do this during layout and paint events?
EditorGUI.BeginChangeCheck();
{
if (property.hasVisibleChildren)
{
property.NextVisible(true);
do
{
EditorGUILayout.PropertyField(property, true);
} while (property.NextVisible(false));
}
}
if (EditorGUI.EndChangeCheck())
{
// do these outside the drag, since the user may have added new entries manually
ViewDirectionProperty.vector3Value.Normalize();
// get new right Vector
ViewRightProperty.vector3Value =
Vector3.Cross(ViewUpProperty.vector3Value.normalized, ViewDirectionProperty.vector3Value);
// and new up Vector
ViewUpProperty.vector3Value =
Vector3.Cross(ViewDirectionProperty.vector3Value, ViewRightProperty.vector3Value.normalized);
// This can happen when the user is editing the View Direction with keyboard.
if (ViewUpProperty.vector3Value == Vector3.zero)
{
ViewUpProperty.vector3Value = Vector3.up;
}
if (previewGenerator.OrthographicCamera)
{
ZoomLevelProperty.floatValue = Mathf.Min(.999999f, ZoomLevelProperty.floatValue);
}
RenderWidthProperty.intValue = Mathf.Min(Mathf.Max(RenderWidthProperty.intValue, MinTextureSize), MaxTextureSize);
RenderHeightProperty.intValue = Mathf.Min(Mathf.Max(RenderHeightProperty.intValue, MinTextureSize), MaxTextureSize);
previewGenerator.bRepaintNeeded = true;
}
if ((previewGenerator != null) && (previewGenerator.GameObjectToRender != null) &&
(Event.current.type == EventType.Repaint) && previewGenerator.bRepaintNeeded)
{
previewGenerator.RenderPreviewTexture();
previewGenerator.bRepaintNeeded = false;
}
Texture2D previewTexture = previewGenerator.PreviewTexture;
EditorGUILayout.Space();
if (GUILayout.Button(" Save PNG... ", GUILayout.ExpandWidth(false)))
{
string path = Path.GetDirectoryName(previewGenerator.LastPNGPathName);
string filename = Path.GetFileName(previewGenerator.LastPNGPathName);
path = EditorUtility.SaveFilePanel("Save Texture as PNG", path, filename, "png");
if (path.Length != 0)
{
previewGenerator.SavePNG(path);
}
}
EditorGUILayout.Space();
float boxHeight = Mathf.Min(EditorGUIUtility.currentViewWidth - 36, previewGenerator.RenderHeight);
GUILayout.Box(previewTexture,
GUILayout.Height(boxHeight), GUILayout.Width(EditorGUIUtility.currentViewWidth - 36));
if (Event.current.type == EventType.Repaint)
{
texRect = GUILayoutUtility.GetLastRect();
}
EditorGUILayout.Space();
}