public void DrawDefault(Rect currentRect)
{
DrawTerrainPreview(currentRect);
EditorGUILayout.BeginHorizontal();
{
previewType = (PWGraphTerrainPreviewType)EditorGUILayout.EnumPopup("Camera mode", previewType);
}
EditorGUILayout.EndHorizontal();
//draw main graph settings
EditorGUILayout.BeginVertical(GUILayout.ExpandWidth(true));
{
DrawGraphSettings(currentRect);
}
EditorGUILayout.EndVertical();
}
public void DrawTerrainPreview(Rect previewRect, PWGraphTerrainPreviewType previewType)
{
Profiler.BeginSample("[PW] Rendering terrain preview");
UpdatePreviewScene(previewType);
if (previewCamera != null && first)
{
previewCamera.Render();
}
//draw preview texture:
GUI.DrawTexture(previewRect, previewCameraRenderTexture);
//activate drag when mouse down inside preview rect:
if (e.type == EventType.MouseDown && previewRect.Contains(e.mousePosition))
{
previewMouseDrag = true;
e.Use();
}
if (previewMouseDrag && e.rawType == EventType.MouseUp)
{
previewMouseDrag = false;
}
//mouse controls:
if (e.type == EventType.MouseDrag && previewMouseDrag)
{
Vector2 move = new Vector2(-e.delta.x / 8, e.delta.y / 8);
//camera pan movement
previewCamera.transform.position += new Vector3(move.x, 0, move.y);
//move the terrain materializer so it generate terrain around the camera
if (PWGraphTerrainManager.terrainReference != null)
{
PWGraphTerrainManager.terrainReference.position = previewCamera.transform.position;
}
e.Use();
}
first = false;
Profiler.EndSample();
}
void UpdatePreviewScene(PWGraphTerrainPreviewType previewType)
{
//if preview scene was destroyed or preview type was changed, reload preview game objects
if (previewScene == null || loadedPreviewType != previewType)
{
ReloadPreviewPrefab(previewType);
}
if (previewCamera == null)
{
previewCamera = previewScene.GetComponentInChildren <Camera>();
}
if (previewCameraRenderTexture == null)
{
previewCameraRenderTexture = new RenderTexture(800, 800, 10000, RenderTextureFormat.ARGB32);
previewCamera.targetTexture = previewCameraRenderTexture;
}
}
void ReloadPreviewPrefab(PWGraphTerrainPreviewType newPreviewType)
{
string previewObjectName = previewTypeToPrefabNames[newPreviewType];
//find and delete old preview object if existing
if ((previewScene = GameObject.Find(previewTypeToPrefabNames[loadedPreviewType])) != null)
{
GameObject.DestroyImmediate(previewScene);
}
if ((previewScene = GameObject.Find(previewTypeToPrefabNames[newPreviewType])) != null)
{
GameObject.DestroyImmediate(previewScene);
}
//instantiate the new object prefab
previewScene = PrefabUtility.InstantiatePrefab(Resources.Load <Object>(previewObjectName)) as GameObject;
previewScene.name = previewObjectName;
loadedPreviewType = newPreviewType;
}
