void OnGUI()
{
Event e = Event.current;
selectedObject = Selection.activeGameObject;
if (selectedObject == null)
{
GUI.color = Color.gray;
EditorGUILayout.HelpBox("Select the object...", MessageType.Warning);
canDrawView = false;
}
else
{
if (selectedObject.GetComponent <MeshFilter>() != null | selectedObject.GetComponent <SkinnedMeshRenderer>() != null)
{
GUI.color = Color.green;
EditorGUILayout.HelpBox("Selected object: " + selectedObject.name, MessageType.None);
GUI.color = Color.white;
canDrawView = true;
if (selectedObject.GetComponent <SkinnedMeshRenderer>() == null)
{
m = selectedObject.GetComponent <MeshFilter>().sharedMesh;
}
else
{
m = selectedObject.GetComponent <SkinnedMeshRenderer>().sharedMesh;
}
if (m != null)
{
if (m.uv2.Length > 0)
{
selectedUV = GUILayout.Toolbar(selectedUV, selectedUVStrings);
}
else
{
selectedUV = 0;
GUILayout.BeginHorizontal();
EditorGUILayout.HelpBox("Mesh is not have UV 2. You can generate it", MessageType.None);
if (GUILayout.Button("Generate UV2"))
{
Unwrapping.GenerateSecondaryUVSet(m);
EditorApplication.Beep();
EditorUtility.DisplayDialog("Done", "Process is done!", "OK");
}
GUILayout.EndHorizontal();
}
tris = m.triangles;
if (selectedUV == 0)
{
uvs = m.uv;
}
else
{
uvs = m.uv2;
}
}
}
else
{
GUI.color = Color.gray;
EditorGUILayout.HelpBox("Object must have a Mesh Filter or Skinned Mesh Renderer", MessageType.Warning);
canDrawView = false;
}
}
if (e.mousePosition.x > uvPreviewRect.x & e.mousePosition.x <uvPreviewRect.width + sideSpace& e.mousePosition.y> uvPreviewRect.y & e.mousePosition.y < uvPreviewRect.height + sideSpace + ySpace)
{
mousePositionInsidePreview = true;
}
else
{
mousePositionInsidePreview = false;
}
if (mousePositionInsidePreview)
{
if (e.type == EventType.MouseDrag)
{
xPanShift += e.delta.x;
yPanShift += e.delta.y;
}
if (e.type == EventType.ScrollWheel)
{
scale += -(e.delta.y * 0.02f);
}
}
uvPreviewRect = new Rect(new Rect(sideSpace, ySpace + sideSpace, uvPreviewWindow.position.width - (sideSpace * 2), uvPreviewWindow.position.height - ySpace - (sideSpace * 2)));
GUI.DrawTexture(new Rect(0, 0, uvPreviewWindow.position.width, ySpace), fillTextureGray);
if (canDrawView)
{
GUI.DrawTexture(uvPreviewRect, fillTextureDark);
//GRID
for (int i = 1; i < 4096; i += (int)(gridStep))
{
int x1h = (int)(uvPreviewRect.x - 1);
int x2h = (int)(uvPreviewRect.width + sideSpace);
int yh = i + (ySpace + sideSpace) - 1;
int y1v = ySpace + sideSpace;
int y2v = (int)(uvPreviewRect.height + ySpace + sideSpace);
int xv = i + sideSpace - 1;
if (yh < uvPreviewRect.height + ySpace + sideSpace)
{
DrawLine(x1h, yh, x2h, yh, new Color(1, 1, 1, 0.15f));
}
if (xv < uvPreviewRect.width + sideSpace)
{
DrawLine(xv, y1v, xv, y2v, new Color(1, 1, 1, 0.15f));
}
}
//UV
for (int i = 0; i < tris.Length; i += 3)
{
int line1x1 = (int)(uvs[tris[i]].x * (scale * windowDefaultSize) + sideSpace + xPanShift);
int line1y1 = (int)(-uvs[tris[i]].y * (scale * windowDefaultSize) + ySpace + sideSpace + yPanShift) + windowDefaultSize;
int line1x2 = (int)(uvs[tris[i + 1]].x * (scale * windowDefaultSize) + sideSpace + xPanShift);
int line1y2 = (int)(-uvs[tris[i + 1]].y * (scale * windowDefaultSize) + sideSpace + ySpace + yPanShift + windowDefaultSize);
int line2x1 = (int)(uvs[tris[i + 1]].x * (scale * windowDefaultSize) + sideSpace + xPanShift);
int line2y1 = (int)(-uvs[tris[i + 1]].y * (scale * windowDefaultSize) + ySpace + sideSpace + yPanShift) + windowDefaultSize;
int line2x2 = (int)(uvs[tris[i + 2]].x * (scale * windowDefaultSize) + sideSpace + xPanShift);
int line2y2 = (int)(-uvs[tris[i + 2]].y * (scale * windowDefaultSize) + sideSpace + ySpace + yPanShift) + windowDefaultSize;
int line3x1 = (int)(uvs[tris[i + 2]].x * (scale * windowDefaultSize) + sideSpace + xPanShift);
int line3y1 = (int)(-uvs[tris[i + 2]].y * (scale * windowDefaultSize) + ySpace + sideSpace + yPanShift) + windowDefaultSize;
int line3x2 = (int)(uvs[tris[i]].x * (scale * windowDefaultSize) + sideSpace + xPanShift);
int line3y2 = (int)(-uvs[tris[i]].y * (scale * windowDefaultSize) + sideSpace + ySpace + yPanShift) + windowDefaultSize;
Rect cropRect = new Rect(uvPreviewRect.x, uvPreviewRect.y, uvPreviewRect.width + sideSpace, uvPreviewRect.height + ySpace + sideSpace);
DrawLine(line1x1, line1y1, line1x2, line1y2, new Color(0, 1, 1, 1), true, cropRect);
DrawLine(line2x1, line2y1, line2x2, line2y2, new Color(0, 1, 1, 1), true, cropRect);
DrawLine(line3x1, line3y1, line3x2, line3y2, new Color(0, 1, 1, 1), true, cropRect);
}
DrawLine(0, ySpace - 1, (int)uvPreviewWindow.position.width, ySpace - 1, Color.gray);
DrawHollowRectangle((int)uvPreviewRect.x, (int)uvPreviewRect.y, (int)uvPreviewRect.width + sideSpace, (int)uvPreviewRect.height + ySpace + sideSpace, Color.gray);
DrawHollowRectangle((int)uvPreviewRect.x, (int)uvPreviewRect.y, (int)uvPreviewRect.width + sideSpace, (int)uvPreviewRect.height + ySpace + sideSpace, Color.gray, 1);
DrawHollowRectangle((int)uvPreviewRect.x, (int)uvPreviewRect.y, (int)uvPreviewRect.width + sideSpace, (int)uvPreviewRect.height + ySpace + sideSpace, Color.gray, 2);
EditorGUIUtility.AddCursorRect(uvPreviewRect, MouseCursor.Pan);
if (GUILayout.Button("Save To PNG"))
{
UVSaveWindow uvSaveWindow = (UVSaveWindow)EditorWindow.GetWindow(typeof(UVSaveWindow));
uvSaveWindow.titleContent = new GUIContent("Save to PNG");
uvSaveWindow.maxSize = new Vector2(256, 125);
uvSaveWindow.minSize = new Vector2(256, 124);
uvSaveWindow.uvsToRender = uvs;
uvSaveWindow.trianglesToRender = tris;
}
}
Repaint();
}
protected static void Start()
{
uvSaveWindow = (UVSaveWindow)EditorWindow.GetWindow(typeof(UVSaveWindow));
}