Merge pull request #1 from goto01/master

Adding the scaling and export options.

Merging the changes made.
Sub-meshes export bug-fix.
Export window changes.
New texture scaling function.

(TODO: some old code cleanup.)

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Data/MA_TextureAtlasserProQuad.cs

@@ -53,7 +53,10 @@ namespace MA_TextureAtlasserPro
 
 			GUILayout.BeginHorizontal();
 			GUILayout.FlexibleSpace();
-			GUILayout.Label(this.name);		
+			var tempColor = GUI.backgroundColor;
+			GUI.backgroundColor = Color.white;
+			GUILayout.Label(this.name, GUI.skin.box);
+			GUI.backgroundColor = tempColor;
 			GUILayout.FlexibleSpace();
 			GUILayout.EndHorizontal();
 

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Utils/MA_TextureAtlasserProUtils.cs

@@ -315,6 +315,25 @@ namespace MA_TextureAtlasserPro
 			}
 		}
 
+		public static void ModifyMeshes(MA_TextureAtlasserProAtlas atlas)
+		{
+			if (atlas == null || atlas.textureQuads == null) return;
+			var quads = atlas.textureQuads;
+			for (var index = 0; index < quads.Count; index++)
+			{
+				var quad = quads[index];
+				if (quad.meshes == null) continue;
+				var meshes = quad.meshes;
+				for (var meshIndex = 0; meshIndex < quad.meshes.Count; meshIndex++)
+				{
+					if (meshes[meshIndex] == null) continue;
+					MA_MeshUtils.MA_UVReMap(meshes[meshIndex], atlas.textureAtlasSize, quad.guiRect);
+					EditorUtility.SetDirty(meshes[meshIndex]);
+				}
+			}
+			AssetDatabase.SaveAssets();
+		}
+
 		// public static void ExportAtlasTexturePNG(MA_TextureAtlasserProAtlas atlas, string savePath = EXPORTASSETPATH)
 		// {
 		// 	if(atlas != null && atlas.textureQuads != null)
@@ -363,7 +382,7 @@ namespace MA_TextureAtlasserPro
 							//Create new texture part
 							Texture2D newTexturePart = (Texture2D)MA_Texture.MA_TextureUtils.ConvertToReadableTexture(q.textureGroups[i].texture);
 							//Scale it
-							newTexturePart = newTexturePart.MA_Scale32D((int)q.guiRect.width, (int)q.guiRect.height);
+							newTexturePart = newTexturePart.ScaleTexture((int)q.guiRect.width, (int)q.guiRect.height, true);
 							//Add it
 							newTexture = newTexture.MA_Combine2D(newTexturePart, (int)q.guiRect.x, (int)q.guiRect.y);
 						}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Windows/MA_TextureAtlasserProExportWindow.cs

@@ -9,6 +9,16 @@ namespace MA_TextureAtlasserPro
 {
 	public class MA_TextureAtlasserProExportWindow : EditorWindow
 	{
+		private const int WindowHeight = 215;
+		
+		private enum  ExportMode
+		{
+			None,
+			D3,
+			D2,
+			Meshes,
+		}
+		
 		//Editor
 		private static MA_TextureAtlasserProExportWindow thisWindow;
 		public static MA_TextureAtlasserProWindow curWindow;
@@ -16,7 +26,11 @@ namespace MA_TextureAtlasserPro
 		//Data
 		private static bool isLoaded = false;       //Make sure we wait a frame at the start to setup and don't draw.
 
+		private ExportMode _selectedExportMode;
+		private bool _showAdvancedEditor;
+		
 		private bool exportObjDefault = false;
+		private bool _replaceMeshes = false;
 		private bool exportPngDefault = false;
 		private bool exportSprite = false;
 		private bool exportSliceSprite = false;
@@ -26,8 +40,8 @@ namespace MA_TextureAtlasserPro
         {
 			GetCurrentWindow();
 
-			thisWindow.minSize = new Vector2(420, 200);
+			thisWindow.minSize = new Vector2(420, WindowHeight);
-			thisWindow.maxSize = new Vector2(420, 200);
+			thisWindow.maxSize = new Vector2(420, WindowHeight);
 
 			thisWindow.titleContent.text = "MA_ExportTextureAtlas";
 
@@ -40,8 +54,8 @@ namespace MA_TextureAtlasserPro
 
 			GetCurrentWindow();
 
-			thisWindow.minSize = new Vector2(420, 200);
+			thisWindow.minSize = new Vector2(420, WindowHeight);
-			thisWindow.maxSize = new Vector2(420, 200);
+			thisWindow.maxSize = new Vector2(420, WindowHeight);
 
 			thisWindow.titleContent.text = "MA_ExportTextureAtlas";
 
@@ -101,45 +115,13 @@ namespace MA_TextureAtlasserPro
 				{
 					//Export
 					GUILayout.BeginVertical();
-					GUILayout.BeginHorizontal(EditorStyles.helpBox);
 
-					if (GUILayout.Button("3D", GUILayout.ExpandWidth(false)))
+					DrawExportModeEditor();
-					{
+					DrawAdvancedEditor();
-						exportObjDefault = true;
-						exportPngDefault = true;
-						exportSprite = false;
-						exportSliceSprite = false;
-					}
-
-					if (GUILayout.Button("2D", GUILayout.ExpandWidth(false)))
-					{
-						exportObjDefault = false;
-						exportPngDefault = true;
-						exportSprite = true;
-						exportSliceSprite = true;
-					}
-
-					GUILayout.EndHorizontal();
-
-					GUILayout.Label("Meshes:");
-					exportObjDefault = GUILayout.Toggle(exportObjDefault, "OBJ default.");
-
-					GUILayout.Label("Textures:");
-					GUILayout.BeginHorizontal();
-					exportPngDefault = GUILayout.Toggle(exportPngDefault, "PNG default.");
-					if(exportPngDefault)
-					{
-						exportSprite = GUILayout.Toggle(exportSprite, "Sprite.");
-						if (exportSprite)
-						{
-							exportSliceSprite = GUILayout.Toggle(exportSliceSprite, "Slice sprites.");
-						}
-					}
-					GUILayout.FlexibleSpace();
-					GUILayout.EndHorizontal();
 
 					GUILayout.BeginHorizontal(EditorStyles.helpBox);
 
+					GUI.enabled = _selectedExportMode != ExportMode.None;
 					if (GUILayout.Button("Export", GUILayout.ExpandWidth(true), GUILayout.Height(37)))
 					{
 						if(exportObjDefault)
@@ -147,6 +129,9 @@ namespace MA_TextureAtlasserPro
 							MA_TextureAtlasserProUtils.ExportAtlasMeshesObj(curWindow.textureAtlas);
 						}
 
+						if (_replaceMeshes)
+							MA_TextureAtlasserProUtils.ModifyMeshes(curWindow.textureAtlas);
+
 						if(exportPngDefault)
 						{
 							if(exportSprite)
@@ -160,6 +145,8 @@ namespace MA_TextureAtlasserPro
 						}
 					}
 
+					GUI.enabled = true;
+					
 					GUILayout.EndHorizontal();
 					GUILayout.EndVertical();
 				}
@@ -187,6 +174,79 @@ namespace MA_TextureAtlasserPro
 			if(e.type == EventType.Repaint)
 				isLoaded = true;
 		}
+
+		private void DrawExportModeEditor()
+		{
+			GUILayout.BeginHorizontal(EditorStyles.helpBox);
+			GUILayout.FlexibleSpace();
+			var value = GUILayout.Toggle(_selectedExportMode == ExportMode.D3, "3D", EditorStyles.miniButtonLeft, 
+				GUILayout.ExpandWidth(false));
+			if (value && _selectedExportMode != ExportMode.D3)
+			{
+				_selectedExportMode = ExportMode.D3;
+				exportObjDefault = true;
+				_replaceMeshes = false;
+				exportPngDefault = true;
+				exportSprite = false;
+				exportSliceSprite = false;
+			}
+			value = GUILayout.Toggle(_selectedExportMode == ExportMode.D2, "2D", EditorStyles.miniButtonMid, 
+				GUILayout.ExpandWidth(false));
+			if (value && _selectedExportMode != ExportMode.D2)
+			{
+				_selectedExportMode = ExportMode.D2;
+				exportObjDefault = false;
+				_replaceMeshes = false;
+				exportPngDefault = true;
+				exportSprite = true;
+				exportSliceSprite = true;
+			}
+			value = GUILayout.Toggle(_selectedExportMode == ExportMode.Meshes, "Replace source meshes", EditorStyles.miniButtonRight, 
+				GUILayout.ExpandWidth(false));
+			if (value && _selectedExportMode != ExportMode.Meshes)
+			{
+				_selectedExportMode = ExportMode.Meshes;
+				exportObjDefault = false;
+				_replaceMeshes = true;
+				exportPngDefault = true;
+				exportSprite = false;
+				exportSliceSprite = false;
+			}
+			GUILayout.FlexibleSpace();
+			GUILayout.EndHorizontal();
+		}
+
+		private void DrawAdvancedEditor()
+		{
+			EditorGUILayout.BeginVertical(EditorStyles.helpBox);
+			_showAdvancedEditor = EditorGUILayout.Foldout(_showAdvancedEditor, "Advanced editor");
+			if (!_showAdvancedEditor)
+			{
+				EditorGUILayout.EndVertical();	
+				return;
+			}
+
+			GUILayout.Label("Meshes:", EditorStyles.miniBoldLabel);
+			EditorGUILayout.BeginHorizontal();
+			exportObjDefault = GUILayout.Toggle(exportObjDefault, "OBJ default.");
+			_replaceMeshes = GUILayout.Toggle(_replaceMeshes, "Replace meshes");
+			EditorGUILayout.EndHorizontal();
+			
+			GUILayout.Label("Textures:", EditorStyles.miniBoldLabel);
+			GUILayout.BeginHorizontal();
+			exportPngDefault = GUILayout.Toggle(exportPngDefault, "PNG default.");
+			if(exportPngDefault)
+			{
+				exportSprite = GUILayout.Toggle(exportSprite, "Sprite.");
+				if (exportSprite)
+				{
+					exportSliceSprite = GUILayout.Toggle(exportSliceSprite, "Slice sprites.");
+				}
+			}
+			GUILayout.FlexibleSpace();
+			GUILayout.EndHorizontal();
+			EditorGUILayout.EndVertical();
+		}
 	}
 }
 #endif

MA_ToolBox/MA_Utilities/MeshUtils/MA_MeshUtils.cs

@@ -9,6 +9,7 @@ using System.IO;
 using System.Text;
 using System.Collections;
 using System.Collections.Generic;
+using System.Linq;
 using UnityEngine;
 using UnityEditor;
 
@@ -39,12 +40,16 @@ namespace MA_Mesh
 		public static Mesh MA_DuplicateMesh(Mesh mesh)
 		{
 			Mesh newMesh = new Mesh();
-
+			newMesh.name = mesh.name;
 			newMesh.SetVertices(new List<Vector3>(mesh.vertices));
+			newMesh.bounds = mesh.bounds;
+			newMesh.colors = mesh.colors.ToArray();
+			newMesh.subMeshCount = mesh.subMeshCount;
 			for (int i = 0; i < mesh.subMeshCount; i++)
 			{
 				newMesh.SetTriangles(mesh.GetTriangles(i), i);
 			}
+			newMesh.subMeshCount = mesh.subMeshCount;
 			newMesh.SetNormals(new List<Vector3>(mesh.normals));
 			newMesh.SetUVs(0, new List<Vector2>(mesh.uv));
 			newMesh.SetTangents(new List<Vector4>(mesh.tangents));
@@ -92,14 +97,14 @@ namespace MA_Mesh
 			{
 				if(flipY)
 				{
-					//Debug.Log("01" + uvs[i].x);
+					uvs[i] = new Vector2((uvs[i].x / atlasSize.x * textureRect.width) + (1 / atlasSize.x * textureRect.x), 
-					uvs[i] = new Vector2((uvs[i].x / atlasSize.x * textureRect.width) + (1 / atlasSize.x * textureRect.x), (uvs[i].y / atlasSize.y * textureRect.height) + (1 / atlasSize.y * (atlasSize.y - textureRect.height - textureRect.y)));
+						(uvs[i].y / atlasSize.y * textureRect.height) + (1 / atlasSize.y * (atlasSize.y - textureRect.height - textureRect.y)));
-					//Debug.Log("02" + uvs[i].x);
 				}
 				else
 				{			
 					//Debug.Log("01" + uvs[i].x);
-					uvs[i] = new Vector2((uvs[i].x / atlasSize.x * textureRect.width) + (1 / atlasSize.x * textureRect.x), (uvs[i].y / atlasSize.y * textureRect.height) + (1 / atlasSize.y * textureRect.y));
+					uvs[i] = new Vector2((uvs[i].x / atlasSize.x * textureRect.width) + (1 / atlasSize.x * textureRect.x), 
+						(uvs[i].y / atlasSize.y * textureRect.height) + (1 / atlasSize.y * textureRect.y));
 					//Debug.Log("02" + uvs[i].x);
 				}
 			}
@@ -176,7 +181,6 @@ namespace MA_Mesh
 			using (StreamWriter sw = new StreamWriter(savePath + filename + ".obj")) 
 			{
 				sw.Write(MeshToString(mesh));
-				Debug.Log(savePath + filename);
 			}			
 		}
 		//End

MA_ToolBox/MA_Utilities/TextureUtils/MA_TextureUtils.cs

@@ -44,6 +44,7 @@ namespace MA_Texture
             // Copy the pixels from the RenderTexture to the new Texture
             myTexture2D.ReadPixels(new Rect(0, 0, tmp.width, tmp.height), 0, 0);
             myTexture2D.Apply();
+            myTexture2D.name = texture.name;
 
             // Reset the active RenderTexture
             RenderTexture.active = previous;
@@ -179,6 +180,13 @@ namespace MA_Texture
 			newTexture.Apply();
 			return newTexture;
 		}
+
+        public static Texture2D ScaleTexture(this Texture2D texture, int width, int height, bool bilinear)
+        {
+            TextureScaler.Scale(texture, width, height, bilinear);
+            return texture;
+        }
+        
         #endregion
 
         #region combine
@@ -191,7 +199,7 @@ namespace MA_Texture
                     //Y is 'flipped' because textures are made from left to right, bottom to top. We want to draw from left to right and top to bottom.
                     for (int y = combineTexture.height; y > 0; y--)
                     {
-                        texture.SetPixel(x + offsetX, texture.height - y - offsetY, combineTexture.GetPixel(x, texture.height - y));
+                        texture.SetPixel(x + offsetX, y + (texture.height - offsetY - combineTexture.height), combineTexture.GetPixel(x, y));
                     }
                 }
                 else

MA_ToolBox/MA_Utilities/TextureUtils/TextureScaler.cs

@@ -0,0 +1,103 @@
+using System.Threading;
+using UnityEngine;
+
+namespace MA_Texture
+{
+	public static class TextureScaler
+	{
+		public class ThreadData
+		{
+			public int start;
+			public int end;
+			public ThreadData (int s, int e) {
+				start = s;
+				end = e;
+			}
+		}
+	 
+		private static Color[] texColors;
+		private static Color[] newColors;
+		private static int w;
+		private static float ratioX;
+		private static float ratioY;
+		private static int w2;
+		private static int finishCount;
+	 
+		public static void Scale (Texture2D tex, int newWidth, int newHeight, bool useBilinear)
+		{
+			texColors = tex.GetPixels();
+			newColors = new Color[newWidth * newHeight];
+			if (useBilinear)
+			{
+				ratioX = 1.0f / ((float)newWidth / (tex.width-1));
+				ratioY = 1.0f / ((float)newHeight / (tex.height-1));
+			}
+			else {
+				ratioX = ((float)tex.width) / newWidth;
+				ratioY = ((float)tex.height) / newHeight;
+			}
+			w = tex.width;
+			w2 = newWidth;
+			finishCount = 0;
+			if (useBilinear)
+			{
+				BilinearScale(0, newHeight);
+			}
+			else
+			{
+				PointScale(0, newHeight);
+			}
+			
+	 
+			tex.Resize(newWidth, newHeight);
+			tex.SetPixels(newColors);
+			tex.Apply();
+	 
+			texColors = null;
+			newColors = null;
+		}
+	 
+		public static void BilinearScale (int start, int end)
+		{
+			for (var y = start; y < end; y++)
+			{
+				int yFloor = (int)Mathf.Floor(y * ratioY);
+				var y1 = yFloor * w;
+				var y2 = (yFloor+1) * w;
+				var yw = y * w2;
+	 
+				for (var x = 0; x < w2; x++) {
+					int xFloor = (int)Mathf.Floor(x * ratioX);
+					var xLerp = x * ratioX-xFloor;
+					newColors[yw + x] = ColorLerpUnclamped(ColorLerpUnclamped(texColors[y1 + xFloor], texColors[y1 + xFloor+1], xLerp),
+														   ColorLerpUnclamped(texColors[y2 + xFloor], texColors[y2 + xFloor+1], xLerp),
+														   y*ratioY-yFloor);
+				}
+			}
+	 
+			finishCount++;
+		}
+	 
+		public static void PointScale (int start, int end)
+		{
+			for (var y = start; y < end; y++)
+			{
+				var thisY = (int)(ratioY * y) * w;
+				var yw = y * w2;
+				for (var x = 0; x < w2; x++) {
+					newColors[yw + x] = texColors[(int)(thisY + ratioX*x)];
+				}
+			}
+	 
+			finishCount++;
+		}
+	 
+		private static Color ColorLerpUnclamped (Color c1, Color c2, float value)
+		{
+			return new Color (c1.r + (c2.r - c1.r)*value, 
+							  c1.g + (c2.g - c1.g)*value, 
+							  c1.b + (c2.b - c1.b)*value, 
+							  c1.a + (c2.a - c1.a)*value);
+		}
+	}
+}