void OnGUI()
{
if (m_Mesh == null)
{
GUILayout.Label("Select a GameObject in the scene with a MeshRenderer");
return;
}
Event e = Event.current;
m_MousePos = e.mousePosition;
m_MousePos.x -= m_ViewPort.x;
m_MousePos.y -= m_ViewPort.y;
var UV = (m_MousePos - m_Offset) / m_Width;
UV.y = 1.0f - UV.y;
var TexArea = new Rect(m_Offset.x, m_Offset.y, m_Width, m_Width);
if (e.type == EventType.Layout)
{
m_Texture = m_Submesh.m_Material.mainTexture;
}
GUILayout.BeginHorizontal();
for (int i = 0; i < m_Submeshes.Count; i++)
{
if (SelectButton("Submesh_" + i, m_Submesh == m_Submeshes[i]))
{
m_Submesh = m_Submeshes[i];
}
}
if (GUILayout.Toggle(m_ShowTriangleList, "TriangleList", "Button", GUILayout.ExpandWidth(false)))
{
m_ShowTriangleList = true;
SceneView.RepaintAll();
}
else
{
m_ShowTriangleList = false;
SceneView.RepaintAll();
}
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
DrawZoomGUI();
m_DrawLines = GUILayout.Toggle(m_DrawLines, "DrawLines", "Button", GUILayout.Width(100));
m_DrawTriangles = GUILayout.Toggle(m_DrawTriangles, "DrawTriangles", "Button", GUILayout.Width(100));
if (GUILayout.Button("" + m_TextureMode))
{
while (true)
{
m_TextureMode = m_TextureMode + 1;
if ((int)m_TextureMode > 6)
{
m_TextureMode = 0;
break;
}
if (("" + m_TextureMode).Length > 2)
{
break;
}
}
}
bool tmpWrap = GUILayout.Toggle(m_ShowWrap, "Wrap", "Button", GUILayout.Width(50));
if (tmpWrap != m_ShowWrap)
{
if (e.button == 0)
{
m_ShowWrap = tmpWrap;
}
else
{
m_WrapCount = 5;
}
}
if (GUILayoutUtility.GetLastRect().Contains(e.mousePosition) && e.type == EventType.ScrollWheel)
{
if (e.delta.y < 0)
{
m_WrapCount = Mathf.Max(m_WrapCount - 1, 0);
}
else
{
m_WrapCount = Mathf.Min(m_WrapCount + 1, 5000);
}
}
m_ClearBackGround = GUILayout.Toggle(m_ClearBackGround, "ClearBK", "Button", GUILayout.Width(60));
m_BackGroundColor = EditorGUILayout.ColorField(m_BackGroundColor, GUILayout.Width(50));
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
var oldColor = GUI.color;
for (int i = 0; i < m_UV.Count; i++)
{
if (m_UV[i] == null)
{
GUI.color = new Color(1, 0.6f, 0.6f, 0.8f);
GUILayout.Label("No uv" + i, "Button");
}
else
{
GUI.color = oldColor;
if (SelectButton("uv" + i, m_CurrentUVSet == i))
{
m_CurrentUVSet = i;
}
}
}
GUI.color = oldColor;
GUILayout.Label("Front:", GUILayout.Width(50));
m_FrontFaceColor = EditorGUILayout.ColorField(m_FrontFaceColor, GUILayout.Width(50));
GUILayout.Label("Back:", GUILayout.Width(50));
m_BackFaceColor = EditorGUILayout.ColorField(m_BackFaceColor, GUILayout.Width(50));
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label("Offset: " + m_Offset);
GUILayout.Label("viewSize: " + m_ViewPort);
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
var R = GUILayoutUtility.GetRect(50, 10000, 50, 10000);
if (m_ShowTriangleList)
{
DrawTriangleList();
}
GUILayout.EndHorizontal();
if (e.type != EventType.Layout)
{
m_ViewPort = R;
}
if (e.type == EventType.MouseDrag && GUIUtility.hotControl == 0)
{
m_Offset += e.delta;
MyRepaint();
}
if (e.type == EventType.MouseMove)
{
Repaint();
}
if (e.type == EventType.Repaint)
{
Drawing.EditorWindowViewport(position, m_ViewPort);
if (m_ClearBackGround)
{
GL.Clear(true, true, m_BackGroundColor);
}
if (m_Texture != null)
{
var old = m_Texture.filterMode;
if (m_TextureMode != TextureMode.HideTexture)
{
if (((int)m_TextureMode & 4) != 0)
{
m_Texture.filterMode = FilterMode.Bilinear;
}
else
{
m_Texture.filterMode = FilterMode.Point;
}
if (m_ShowWrap)
{
Rect Rtmp = TexArea;
var center = Rtmp.center;
Rtmp.width *= 1 + m_WrapCount * 2;
Rtmp.height *= 1 + m_WrapCount * 2;
Rtmp.center = center;
GUI.color = new Color(1, 1, 1, 0.5f * m_BackGroundColor.a);
Graphics.DrawTexture(Rtmp, m_Texture, new Rect(-m_WrapCount, -m_WrapCount, 1 + m_WrapCount * 2, 1 + m_WrapCount * 2), 0, 0, 0, 0, GUI.color, m_TextureMapAlphaOnly);
}
GUI.color = new Color(1, 1, 1, /*0.5f */ m_BackGroundColor.a);
Graphics.DrawTexture(TexArea, m_Texture, new Rect(0, 0, 1, 1), 0, 0, 0, 0, GUI.color, m_TextureMapNormal);
}
m_Texture.filterMode = old;
}
Drawing.BeginGL(new Color(1, 1, 1, 0.2f), GL.LINES);
if (m_ShowWrap)
{
for (int i = -m_WrapCount; i <= m_WrapCount + 1; i++)
{
GL.Vertex(new Vector2(m_Offset.x + m_Width * i, 0));
GL.Vertex(new Vector2(m_Offset.x + m_Width * i, 10000));
GL.Vertex(new Vector2(0, m_Offset.y + m_Width * i));
GL.Vertex(new Vector2(10000, m_Offset.y + m_Width * i));
}
}
GL.Color(new Color(1, 1, 0, 0.2f));
for (int i = 0; i < 2; i++)
{
GL.Vertex(new Vector2(m_Offset.x + m_Width * i, 0));
GL.Vertex(new Vector2(m_Offset.x + m_Width * i, 10000));
GL.Vertex(new Vector2(0, m_Offset.y + m_Width * i));
GL.Vertex(new Vector2(10000, m_Offset.y + m_Width * i));
}
GL.End();
if (m_CurrentUVSet >= 0)
{
if (m_DrawLines)
{
var tmpRand = new System.Random(5);
Drawing.BeginGL(Color.red, GL.LINES);
for (int i = 0; i < m_Submesh.m_Indices.Length; i += 3)
{
GL.Color(new Color((float)tmpRand.NextDouble(), (float)tmpRand.NextDouble(), (float)tmpRand.NextDouble()));
var P1 = m_UV[m_CurrentUVSet][m_Submesh.m_Indices[i + 0]];
var P2 = m_UV[m_CurrentUVSet][m_Submesh.m_Indices[i + 1]];
var P3 = m_UV[m_CurrentUVSet][m_Submesh.m_Indices[i + 2]];
P1.y = 1.0f - P1.y;
P2.y = 1.0f - P2.y;
P3.y = 1.0f - P3.y;
P1 = Vector2.Scale(P1, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
P2 = Vector2.Scale(P2, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
P3 = Vector2.Scale(P3, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
GL.Vertex(P1);
GL.Vertex(P2);
GL.Vertex(P2);
GL.Vertex(P3);
GL.Vertex(P3);
GL.Vertex(P1);
}
GL.End();
}
if (m_DrawTriangles)
{
var tmpRand = new System.Random(5);
Drawing.BeginGL(new Color(1, 0, 0, 0.2f), GL.TRIANGLES);
for (int i = 0; i < m_Submesh.m_Indices.Length; i += 3)
{
var P1 = m_UV[m_CurrentUVSet][m_Submesh.m_Indices[i + 0]];
var P2 = m_UV[m_CurrentUVSet][m_Submesh.m_Indices[i + 1]];
var P3 = m_UV[m_CurrentUVSet][m_Submesh.m_Indices[i + 2]];
P1.y = 1.0f - P1.y;
P2.y = 1.0f - P2.y;
P3.y = 1.0f - P3.y;
P1 = Vector2.Scale(P1, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
P2 = Vector2.Scale(P2, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
P3 = Vector2.Scale(P3, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
var FColor = m_FrontFaceColor;
FColor *= 0.5f + (float)(tmpRand.NextDouble() * 0.5);
FColor.a = m_FrontFaceColor.a;
var BColor = m_BackFaceColor;
BColor *= 0.5f + (float)(tmpRand.NextDouble() * 0.5);
BColor.a = m_BackFaceColor.a;
GL.Color(FColor);
GL.Vertex(P1);
GL.Vertex(P2);
GL.Vertex(P3);
GL.Color(BColor);
GL.Vertex(P2);
GL.Vertex(P1);
GL.Vertex(P3);
}
GL.End();
}
if (m_SelectedTriangle >= 0 && m_SelectedTriangle < m_Triangles.Length)
{
Drawing.BeginGL(new Color(1, 0, 0, 0.2f), GL.TRIANGLES);
var P1 = m_UV[m_CurrentUVSet][m_Triangles[m_SelectedTriangle * 3 + 0]];
var P2 = m_UV[m_CurrentUVSet][m_Triangles[m_SelectedTriangle * 3 + 1]];
var P3 = m_UV[m_CurrentUVSet][m_Triangles[m_SelectedTriangle * 3 + 2]];
P1.y = 1.0f - P1.y;
P2.y = 1.0f - P2.y;
P3.y = 1.0f - P3.y;
P1 = Vector2.Scale(P1, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
P2 = Vector2.Scale(P2, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
P3 = Vector2.Scale(P3, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
GL.Color(new Color(0, 0, 1, 0.5f));
GL.Vertex(P2);
GL.Vertex(P1);
GL.Vertex(P3);
GL.Color(new Color(1, 0, 1, 0.5f));
GL.Vertex(P1);
GL.Vertex(P2);
GL.Vertex(P3);
GL.End();
}
if (m_SelectedVertex >= 0 && m_Submesh != null && m_Submesh.m_Indices != null)
{
m_CurrentUVSet = Mathf.Clamp(m_CurrentUVSet, 0, m_UV.Count - 1);
m_SelectedVertex = Mathf.Clamp(m_SelectedVertex, 0, m_Submesh.m_Indices.Length - 1);
var P1 = m_UV[m_CurrentUVSet][m_Submesh.m_Indices[m_SelectedVertex]];
P1.y = 1.0f - P1.y;
P1 = Vector2.Scale(P1, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
Drawing.BeginGL(new Color(1, 0, 0, 0.2f), GL.QUADS);
GL.Color(new Color(1, 1, 1, 0.7f));
GL.Vertex(P1 - Vector2.up * 5 + Vector2.right * 5);
GL.Vertex(P1 + Vector2.up * 5 + Vector2.right * 5);
GL.Vertex(P1 + Vector2.up * 5 - Vector2.right * 5);
GL.Vertex(P1 - Vector2.up * 5 - Vector2.right * 5);
GL.End();
}
if (m_SelectedVertTriangle >= 0 && m_Submesh != null && m_Submesh.m_Indices != null)
{
m_CurrentUVSet = Mathf.Clamp(m_CurrentUVSet, 0, m_UV.Count - 1);
m_SelectedVertTriangle = Mathf.Clamp(m_SelectedVertTriangle, 0, m_Submesh.m_Indices.Length / 3 - 1);
var P1 = m_UV[m_CurrentUVSet][m_Submesh.m_Indices[m_SelectedVertTriangle * 3 + 0]];
var P2 = m_UV[m_CurrentUVSet][m_Submesh.m_Indices[m_SelectedVertTriangle * 3 + 1]];
var P3 = m_UV[m_CurrentUVSet][m_Submesh.m_Indices[m_SelectedVertTriangle * 3 + 2]];
P1.y = 1.0f - P1.y;
P2.y = 1.0f - P2.y;
P3.y = 1.0f - P3.y;
P1 = Vector2.Scale(P1, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
P2 = Vector2.Scale(P2, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
P3 = Vector2.Scale(P3, new Vector2(TexArea.width, TexArea.height)) + new Vector2(TexArea.x, TexArea.y);
Drawing.BeginGL(new Color(1, 0, 0, 0.2f), GL.QUADS);
GL.Color(new Color(1, 1, 1, 0.7f));
GL.Vertex(P1 - Vector2.up * 5 + Vector2.right * 5);
GL.Vertex(P1 + Vector2.up * 5 + Vector2.right * 5);
GL.Vertex(P1 + Vector2.up * 5 - Vector2.right * 5);
GL.Vertex(P1 - Vector2.up * 5 - Vector2.right * 5);
GL.Vertex(P2 - Vector2.up * 5 + Vector2.right * 5);
GL.Vertex(P2 + Vector2.up * 5 + Vector2.right * 5);
GL.Vertex(P2 + Vector2.up * 5 - Vector2.right * 5);
GL.Vertex(P2 - Vector2.up * 5 - Vector2.right * 5);
GL.Vertex(P3 - Vector2.up * 5 + Vector2.right * 5);
GL.Vertex(P3 + Vector2.up * 5 + Vector2.right * 5);
GL.Vertex(P3 + Vector2.up * 5 - Vector2.right * 5);
GL.Vertex(P3 - Vector2.up * 5 - Vector2.right * 5);
GL.End();
}
}
if (e.control)
{
Drawing.BeginGL(new Color(0, 1, 0, 0.5f), GL.LINES);
GL.Vertex(m_MousePos + Vector2.up * 7);
GL.Vertex(m_MousePos - Vector2.up * 7);
GL.Vertex(m_MousePos + Vector2.right * 7);
GL.Vertex(m_MousePos - Vector2.right * 7);
m_CurrentIndex = FindClosestVertex(UV);
if (m_CurrentIndex >= 0)
{
var p = m_UV[m_CurrentUVSet][m_CurrentIndex];
p.y = 1.0f - p.y;
var pDraw = p * m_Width + m_Offset;
GL.Color(new Color(1, 1, 1, 0.8f));
GL.Vertex(pDraw + Vector2.up * 70);
GL.Vertex(pDraw - Vector2.up * 70);
GL.Vertex(pDraw + Vector2.right * 70);
GL.Vertex(pDraw - Vector2.right * 70);
GL.Vertex(m_MousePos);
GL.Vertex(pDraw);
GL.Color(new Color(1, 1, 1, 0.3f));
foreach (var vert in Drawing.GetCircleLinePoints(m_MousePos, (pDraw - m_MousePos).magnitude, 60))
{
GL.Vertex(vert);
}
GL.End();
GUI.color = new Color(1, 1, 1, 0.8f);
GUI.Label(new Rect(m_MousePos.x + 10, m_MousePos.y - 25 - 2, 200, 25), "closest U:" + p.x.ToString("0.0000") + " V:" + p.y.ToString("0.0000"), "box");
}
else
{
GL.End();
}
GUI.Label(new Rect(m_MousePos.x + 10, m_MousePos.y + 2, 200, 25), "mouse U:" + UV.x.ToString("0.0000") + " V:" + UV.y.ToString("0.0000"), "box");
EditorGUIUtility.AddCursorRect(m_ViewPort, (MouseCursor)(-1));
SceneView.RepaintAll();
}
}
else if (e.type == EventType.KeyDown)
{
if (m_Submesh != null && m_Submesh.m_Indices != null)
{
if (e.keyCode == KeyCode.UpArrow)
{
if (m_SelectedVertex >= 0)
{
m_SelectedVertex = Mathf.Clamp(m_SelectedVertex - 3, 0, m_Submesh.m_Indices.Length - 1);
}
if (m_SelectedVertTriangle >= 0)
{
m_SelectedVertTriangle = Mathf.Clamp(m_SelectedVertTriangle - 1, 0, m_Submesh.m_Indices.Length / 3 - 1);
}
}
else if (e.keyCode == KeyCode.DownArrow)
{
if (m_SelectedVertex >= 0)
{
m_SelectedVertex = Mathf.Clamp(m_SelectedVertex + 3, 0, m_Submesh.m_Indices.Length - 1);
}
if (m_SelectedVertTriangle >= 0)
{
m_SelectedVertTriangle = Mathf.Clamp(m_SelectedVertTriangle + 1, 0, m_Submesh.m_Indices.Length / 3 - 1);
}
}
else if (e.keyCode == KeyCode.LeftArrow)
{
if (m_SelectedVertex >= 0)
{
m_SelectedVertex = Mathf.Clamp(m_SelectedVertex - 1, 0, m_Submesh.m_Indices.Length - 1);
}
}
else if (e.keyCode == KeyCode.RightArrow)
{
if (m_SelectedVertex >= 0)
{
m_SelectedVertex = Mathf.Clamp(m_SelectedVertex + 1, 0, m_Submesh.m_Indices.Length - 1);
}
}
MyRepaint();
}
}
if (GUI.changed)
{
MyRepaint();
}
}
void UpdateMesh()
{
if (m_TempCollider != null)
{
DestroyImmediate(m_TempCollider);
}
m_Mesh = null;
try
{
var GO = Selection.activeGameObject;
if (GO == null)
{
return;
}
// do not tinker with prefab assets.
if (PrefabUtility.IsPartOfPrefabAsset(GO))
{
return;
}
var MF = GO.GetComponent <MeshFilter>();
if (MF != null)
{
m_Mesh = MF.sharedMesh;
}
else
{
var SMR = GO.GetComponent <SkinnedMeshRenderer>();
if (SMR != null)
{
m_Mesh = SMR.sharedMesh;
}
}
if (m_Mesh == null)
{
return;
}
m_Renderer = GO.GetComponent <Renderer>();
if (GO.GetComponent <MeshCollider>() == null)
{
m_TempCollider = GO.AddComponent <MeshCollider>();
m_TempCollider.hideFlags = HideFlags.HideAndDontSave | HideFlags.HideInInspector;
}
if (m_Renderer == null)
{
return;
}
var materials = m_Renderer.sharedMaterials;
m_Submeshes.Clear();
for (int i = 0; i < m_Mesh.subMeshCount; i++)
{
var SM = new UV_SubMesh();
m_Submeshes.Add(SM);
SM.m_Indices = m_Mesh.GetIndices(i);
SM.m_Material = materials[i % materials.Length];
}
m_Triangles = m_Mesh.triangles;
m_Vertices = m_Mesh.vertices;
m_Normals = m_Mesh.normals;
m_UV.Clear();
if (m_Mesh.uv != null && m_Mesh.uv.Length > 0)
{
m_UV.Add(m_Mesh.uv);
}
else
{
m_UV.Add(null);
}
if (m_Mesh.uv2 != null && m_Mesh.uv2.Length > 0)
{
m_UV.Add(m_Mesh.uv2);
}
else
{
m_UV.Add(null);
}
if (m_Mesh.uv3 != null && m_Mesh.uv3.Length > 0)
{
m_UV.Add(m_Mesh.uv3);
}
else
{
m_UV.Add(null);
}
if (m_Mesh.uv4 != null && m_Mesh.uv4.Length > 0)
{
m_UV.Add(m_Mesh.uv4);
}
else
{
m_UV.Add(null);
}
m_CurrentUVSet = -1;
for (int i = 0; i < m_UV.Count; i++)
{
if (m_UV[i] != null)
{
m_CurrentUVSet = i;
break;
}
}
m_Submesh = m_Submeshes[0];
m_Texture = m_Submesh.m_Material.mainTexture;
m_SelectedVertex = -1;
m_SelectedVertTriangle = -1;
}
finally
{
MyRepaint();
}
}