/// <summary> /// Replace the sprites within the atlas. /// </summary> static void ReplaceSprites(NGUIAtlas atlas, List <SpriteEntry> sprites) { // Get the list of sprites we'll be updating List <NGUIAtlas.Sprite> spriteList = atlas.spriteList; List <NGUIAtlas.Sprite> kept = new List <NGUIAtlas.Sprite>(); // The atlas must be in pixels atlas.coordinates = NGUIAtlas.Coordinates.Pixels; // Run through all the textures we added and add them as sprites to the atlas for (int i = 0; i < sprites.Count; ++i) { SpriteEntry se = sprites[i]; NGUIAtlas.Sprite sprite = AddSprite(spriteList, se); kept.Add(sprite); } // Remove unused sprites for (int i = spriteList.Count; i > 0;) { NGUIAtlas.Sprite sp = spriteList[--i]; if (!kept.Contains(sp)) { spriteList.RemoveAt(i); } } atlas.MarkAsDirty(); }
/// <summary> /// Update the sprite atlas, keeping only the sprites that are on the specified list. /// </summary> static void UpdateAtlas(NGUIAtlas atlas, List <SpriteEntry> sprites) { if (sprites.Count > 0) { // Combine all sprites into a single texture and save it if (UpdateTexture(atlas, sprites)) { // Replace the sprites within the atlas ReplaceSprites(atlas, sprites); // Release the temporary textures ReleaseSprites(sprites); } else { return; } } else { atlas.spriteList.Clear(); string path = NGUIEditorTools.GetSaveableTexturePath(atlas); atlas.spriteMaterial.mainTexture = null; if (!string.IsNullOrEmpty(path)) { AssetDatabase.DeleteAsset(path); } } atlas.MarkAsDirty(); Debug.Log("The atlas has been updated. Don't forget to save the scene to write the changes!"); }
/// <summary> /// Mark all widgets associated with this atlas as having changed. /// </summary> public void MarkAsDirty() { #if UNITY_EDITOR UnityEditor.EditorUtility.SetDirty(gameObject); #endif if (mReplacement != null) { mReplacement.MarkAsDirty(); } NGUISprite[] list = NGUITools.FindActive <NGUISprite>(); for (int i = 0, imax = list.Length; i < imax; ++i) { NGUISprite sp = list[i]; if (CheckIfRelated(this, sp.atlas)) { NGUIAtlas atl = sp.atlas; sp.atlas = null; sp.atlas = atl; #if UNITY_EDITOR UnityEditor.EditorUtility.SetDirty(sp); #endif } } NGUIFont[] fonts = Resources.FindObjectsOfTypeAll(typeof(NGUIFont)) as NGUIFont[]; for (int i = 0, imax = fonts.Length; i < imax; ++i) { NGUIFont font = fonts[i]; if (CheckIfRelated(this, font.atlas)) { NGUIAtlas atl = font.atlas; font.atlas = null; font.atlas = atl; #if UNITY_EDITOR UnityEditor.EditorUtility.SetDirty(font); #endif } } NGUILabel[] labels = NGUITools.FindActive <NGUILabel>(); for (int i = 0, imax = labels.Length; i < imax; ++i) { NGUILabel lbl = labels[i]; if (lbl.font != null && CheckIfRelated(this, lbl.font.atlas)) { NGUIFont font = lbl.font; lbl.font = null; lbl.font = font; #if UNITY_EDITOR UnityEditor.EditorUtility.SetDirty(lbl); #endif } } }
/// <summary> /// Update the sprite atlas, keeping only the sprites that are on the specified list. /// </summary> static void UpdateAtlas(NGUIAtlas atlas, List<SpriteEntry> sprites) { if (sprites.Count > 0) { // Combine all sprites into a single texture and save it if (UpdateTexture(atlas, sprites)) { // Replace the sprites within the atlas ReplaceSprites(atlas, sprites); // Release the temporary textures ReleaseSprites(sprites); } else return; } else { atlas.spriteList.Clear(); string path = NGUIEditorTools.GetSaveableTexturePath(atlas); atlas.spriteMaterial.mainTexture = null; if (!string.IsNullOrEmpty(path)) AssetDatabase.DeleteAsset(path); } atlas.MarkAsDirty(); Debug.Log("The atlas has been updated. Don't forget to save the scene to write the changes!"); }
/// <summary> /// Replace the sprites within the atlas. /// </summary> static void ReplaceSprites(NGUIAtlas atlas, List<SpriteEntry> sprites) { // Get the list of sprites we'll be updating List<NGUIAtlas.Sprite> spriteList = atlas.spriteList; List<NGUIAtlas.Sprite> kept = new List<NGUIAtlas.Sprite>(); // The atlas must be in pixels atlas.coordinates = NGUIAtlas.Coordinates.Pixels; // Run through all the textures we added and add them as sprites to the atlas for (int i = 0; i < sprites.Count; ++i) { SpriteEntry se = sprites[i]; NGUIAtlas.Sprite sprite = AddSprite(spriteList, se); kept.Add(sprite); } // Remove unused sprites for (int i = spriteList.Count; i > 0; ) { NGUIAtlas.Sprite sp = spriteList[--i]; if (!kept.Contains(sp)) spriteList.RemoveAt(i); } atlas.MarkAsDirty(); }
/// <summary> /// Draw the inspector widget. /// </summary> public override void OnInspectorGUI() { EditorGUIUtility.LookLikeControls(80f); mAtlas = target as NGUIAtlas; NGUIEditorTools.DrawSeparator(); if (mAtlas.replacement != null) { mType = AtlasType.Reference; mReplacement = mAtlas.replacement; } AtlasType after = (AtlasType)EditorGUILayout.EnumPopup("Atlas Type", mType); if (mType != after) { if (after == AtlasType.Normal) { OnSelectAtlas(null); } else { mType = AtlasType.Reference; } } if (mType == AtlasType.Reference) { ComponentSelector.Draw<NGUIAtlas>(mAtlas.replacement, OnSelectAtlas); NGUIEditorTools.DrawSeparator(); EditorGUILayout.HelpBox("You can have one atlas simply point to " + "another one. This is useful if you want to be " + "able to quickly replace the contents of one " + "atlas with another one, for example for " + "swapping an SD atlas with an HD one, or " + "replacing an English atlas with a Chinese " + "one. All the sprites referencing this atlas " + "will update their references to the new one.", MessageType.Info); if (mReplacement != mAtlas && mAtlas.replacement != mReplacement) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mAtlas.replacement = mReplacement; UnityEditor.EditorUtility.SetDirty(mAtlas); } return; } if (!mConfirmDelete) { NGUIEditorTools.DrawSeparator(); Material mat = EditorGUILayout.ObjectField("Material", mAtlas.spriteMaterial, typeof(Material), false) as Material; if (mAtlas.spriteMaterial != mat) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mAtlas.spriteMaterial = mat; // Ensure that this atlas has valid import settings if (mAtlas.texture != null) NGUIEditorTools.ImportTexture(mAtlas.texture, false, false); mAtlas.MarkAsDirty(); mConfirmDelete = false; } if (mat != null) { TextAsset ta = EditorGUILayout.ObjectField("TP Import", null, typeof(TextAsset), false) as TextAsset; if (ta != null) { // Ensure that this atlas has valid import settings if (mAtlas.texture != null) NGUIEditorTools.ImportTexture(mAtlas.texture, false, false); NGUIEditorTools.RegisterUndo("Import Sprites", mAtlas); NGUIJson.LoadSpriteData(mAtlas, ta); if (mSprite != null) mSprite = mAtlas.GetSprite(mSprite.name); mAtlas.MarkAsDirty(); } NGUIAtlas.Coordinates coords = (NGUIAtlas.Coordinates)EditorGUILayout.EnumPopup("Coordinates", mAtlas.coordinates); if (coords != mAtlas.coordinates) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mAtlas.coordinates = coords; mConfirmDelete = false; } float pixelSize = EditorGUILayout.FloatField("Pixel Size", mAtlas.pixelSize, GUILayout.Width(120f)); if (pixelSize != mAtlas.pixelSize) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mAtlas.pixelSize = pixelSize; mConfirmDelete = false; } } } if (mAtlas.spriteMaterial != null) { Color blue = new Color(0f, 0.7f, 1f, 1f); Color green = new Color(0.4f, 1f, 0f, 1f); if (mConfirmDelete) { if (mSprite != null) { // Show the confirmation dialog NGUIEditorTools.DrawSeparator(); GUILayout.Label("Are you sure you want to delete '" + mSprite.name + "'?"); NGUIEditorTools.DrawSeparator(); GUILayout.BeginHorizontal(); { GUI.backgroundColor = Color.green; if (GUILayout.Button("Cancel")) mConfirmDelete = false; GUI.backgroundColor = Color.red; if (GUILayout.Button("Delete")) { NGUIEditorTools.RegisterUndo("Delete Sprite", mAtlas); mAtlas.spriteList.Remove(mSprite); mConfirmDelete = false; } GUI.backgroundColor = Color.white; } GUILayout.EndHorizontal(); } else mConfirmDelete = false; } else { if (mSprite == null && mAtlas.spriteList.Count > 0) { string spriteName = EditorPrefs.GetString("NGUI Selected Sprite"); if (!string.IsNullOrEmpty(spriteName)) mSprite = mAtlas.GetSprite(spriteName); if (mSprite == null) mSprite = mAtlas.spriteList[0]; } if (!mConfirmDelete && mSprite != null) { NGUIEditorTools.DrawSeparator(); NGUIEditorTools.AdvancedSpriteField(mAtlas, mSprite.name, SelectSprite, true); if (mSprite == null) return; Texture2D tex = mAtlas.spriteMaterial.mainTexture as Texture2D; if (tex != null) { Rect inner = mSprite.inner; Rect outer = mSprite.outer; if (mAtlas.coordinates == NGUIAtlas.Coordinates.Pixels) { GUI.backgroundColor = green; outer = NGUIEditorTools.IntRect("Dimensions", mSprite.outer); Vector4 border = new Vector4( mSprite.inner.xMin - mSprite.outer.xMin, mSprite.inner.yMin - mSprite.outer.yMin, mSprite.outer.xMax - mSprite.inner.xMax, mSprite.outer.yMax - mSprite.inner.yMax); GUI.backgroundColor = blue; border = NGUIEditorTools.IntPadding("Border", border); GUI.backgroundColor = Color.white; inner.xMin = mSprite.outer.xMin + border.x; inner.yMin = mSprite.outer.yMin + border.y; inner.xMax = mSprite.outer.xMax - border.z; inner.yMax = mSprite.outer.yMax - border.w; } else { // Draw the inner and outer rectangle dimensions GUI.backgroundColor = green; outer = EditorGUILayout.RectField("Outer Rect", mSprite.outer); GUI.backgroundColor = blue; inner = EditorGUILayout.RectField("Inner Rect", mSprite.inner); GUI.backgroundColor = Color.white; } if (outer.xMax < outer.xMin) outer.xMax = outer.xMin; if (outer.yMax < outer.yMin) outer.yMax = outer.yMin; if (outer != mSprite.outer) { float x = outer.xMin - mSprite.outer.xMin; float y = outer.yMin - mSprite.outer.yMin; inner.x += x; inner.y += y; } // Sanity checks to ensure that the inner rect is always inside the outer inner.xMin = Mathf.Clamp(inner.xMin, outer.xMin, outer.xMax); inner.xMax = Mathf.Clamp(inner.xMax, outer.xMin, outer.xMax); inner.yMin = Mathf.Clamp(inner.yMin, outer.yMin, outer.yMax); inner.yMax = Mathf.Clamp(inner.yMax, outer.yMin, outer.yMax); bool changed = false; if (mSprite.inner != inner || mSprite.outer != outer) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mSprite.inner = inner; mSprite.outer = outer; MarkSpriteAsDirty(); changed = true; } EditorGUILayout.Separator(); if (mAtlas.coordinates == NGUIAtlas.Coordinates.Pixels) { int left = Mathf.RoundToInt(mSprite.paddingLeft * mSprite.outer.width); int right = Mathf.RoundToInt(mSprite.paddingRight * mSprite.outer.width); int top = Mathf.RoundToInt(mSprite.paddingTop * mSprite.outer.height); int bottom = Mathf.RoundToInt(mSprite.paddingBottom * mSprite.outer.height); NGUIEditorTools.IntVector a = NGUIEditorTools.IntPair("Padding", "Left", "Top", left, top); NGUIEditorTools.IntVector b = NGUIEditorTools.IntPair(null, "Right", "Bottom", right, bottom); if (changed || a.x != left || a.y != top || b.x != right || b.y != bottom) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mSprite.paddingLeft = a.x / mSprite.outer.width; mSprite.paddingTop = a.y / mSprite.outer.height; mSprite.paddingRight = b.x / mSprite.outer.width; mSprite.paddingBottom = b.y / mSprite.outer.height; MarkSpriteAsDirty(); } } else { // Create a button that can make the coordinates pixel-perfect on click GUILayout.BeginHorizontal(); { GUILayout.Label("Correction", GUILayout.Width(75f)); Rect corrected0 = outer; Rect corrected1 = inner; if (mAtlas.coordinates == NGUIAtlas.Coordinates.Pixels) { corrected0 = NGUIMath.MakePixelPerfect(corrected0); corrected1 = NGUIMath.MakePixelPerfect(corrected1); } else { corrected0 = NGUIMath.MakePixelPerfect(corrected0, tex.width, tex.height); corrected1 = NGUIMath.MakePixelPerfect(corrected1, tex.width, tex.height); } if (corrected0 == mSprite.outer && corrected1 == mSprite.inner) { GUI.color = Color.grey; GUILayout.Button("Make Pixel-Perfect"); GUI.color = Color.white; } else if (GUILayout.Button("Make Pixel-Perfect")) { outer = corrected0; inner = corrected1; GUI.changed = true; } } GUILayout.EndHorizontal(); } } // This functionality is no longer used. It became obsolete when the Atlas Maker was added. /*NGUIEditorTools.DrawSeparator(); GUILayout.BeginHorizontal(); { EditorGUILayout.PrefixLabel("Add/Delete"); if (GUILayout.Button("Clone Sprite")) { NGUIEditorTools.RegisterUndo("Add Sprite", mAtlas); NGUIAtlas.Sprite newSprite = new NGUIAtlas.Sprite(); if (mSprite != null) { newSprite.name = "Copy of " + mSprite.name; newSprite.outer = mSprite.outer; newSprite.inner = mSprite.inner; } else { newSprite.name = "New Sprite"; } mAtlas.spriteList.Add(newSprite); mSprite = newSprite; } // Show the delete button GUI.backgroundColor = Color.red; if (mSprite != null && GUILayout.Button("Delete", GUILayout.Width(55f))) { mConfirmDelete = true; } GUI.backgroundColor = Color.white; } GUILayout.EndHorizontal();*/ if (NGUIEditorTools.previousSelection != null) { NGUIEditorTools.DrawSeparator(); GUI.backgroundColor = Color.green; if (GUILayout.Button("<< Return to " + NGUIEditorTools.previousSelection.name)) { NGUIEditorTools.SelectPrevious(); } GUI.backgroundColor = Color.white; } } } } }
/// <summary> /// Draw the inspector widget. /// </summary> public override void OnInspectorGUI() { EditorGUIUtility.LookLikeControls(80f); mAtlas = target as NGUIAtlas; NGUIEditorTools.DrawSeparator(); if (mAtlas.replacement != null) { mType = AtlasType.Reference; mReplacement = mAtlas.replacement; } AtlasType after = (AtlasType)EditorGUILayout.EnumPopup("Atlas Type", mType); if (mType != after) { if (after == AtlasType.Normal) { OnSelectAtlas(null); } else { mType = AtlasType.Reference; } } if (mType == AtlasType.Reference) { ComponentSelector.Draw <NGUIAtlas>(mAtlas.replacement, OnSelectAtlas); NGUIEditorTools.DrawSeparator(); EditorGUILayout.HelpBox("You can have one atlas simply point to " + "another one. This is useful if you want to be " + "able to quickly replace the contents of one " + "atlas with another one, for example for " + "swapping an SD atlas with an HD one, or " + "replacing an English atlas with a Chinese " + "one. All the sprites referencing this atlas " + "will update their references to the new one.", MessageType.Info); if (mReplacement != mAtlas && mAtlas.replacement != mReplacement) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mAtlas.replacement = mReplacement; UnityEditor.EditorUtility.SetDirty(mAtlas); } return; } if (!mConfirmDelete) { NGUIEditorTools.DrawSeparator(); Material mat = EditorGUILayout.ObjectField("Material", mAtlas.spriteMaterial, typeof(Material), false) as Material; if (mAtlas.spriteMaterial != mat) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mAtlas.spriteMaterial = mat; // Ensure that this atlas has valid import settings if (mAtlas.texture != null) { NGUIEditorTools.ImportTexture(mAtlas.texture, false, false); } mAtlas.MarkAsDirty(); mConfirmDelete = false; } if (mat != null) { TextAsset ta = EditorGUILayout.ObjectField("TP Import", null, typeof(TextAsset), false) as TextAsset; if (ta != null) { // Ensure that this atlas has valid import settings if (mAtlas.texture != null) { NGUIEditorTools.ImportTexture(mAtlas.texture, false, false); } NGUIEditorTools.RegisterUndo("Import Sprites", mAtlas); NGUIJson.LoadSpriteData(mAtlas, ta); if (mSprite != null) { mSprite = mAtlas.GetSprite(mSprite.name); } mAtlas.MarkAsDirty(); } NGUIAtlas.Coordinates coords = (NGUIAtlas.Coordinates)EditorGUILayout.EnumPopup("Coordinates", mAtlas.coordinates); if (coords != mAtlas.coordinates) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mAtlas.coordinates = coords; mConfirmDelete = false; } float pixelSize = EditorGUILayout.FloatField("Pixel Size", mAtlas.pixelSize, GUILayout.Width(120f)); if (pixelSize != mAtlas.pixelSize) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mAtlas.pixelSize = pixelSize; mConfirmDelete = false; } } } if (mAtlas.spriteMaterial != null) { Color blue = new Color(0f, 0.7f, 1f, 1f); Color green = new Color(0.4f, 1f, 0f, 1f); if (mConfirmDelete) { if (mSprite != null) { // Show the confirmation dialog NGUIEditorTools.DrawSeparator(); GUILayout.Label("Are you sure you want to delete '" + mSprite.name + "'?"); NGUIEditorTools.DrawSeparator(); GUILayout.BeginHorizontal(); { GUI.backgroundColor = Color.green; if (GUILayout.Button("Cancel")) { mConfirmDelete = false; } GUI.backgroundColor = Color.red; if (GUILayout.Button("Delete")) { NGUIEditorTools.RegisterUndo("Delete Sprite", mAtlas); mAtlas.spriteList.Remove(mSprite); mConfirmDelete = false; } GUI.backgroundColor = Color.white; } GUILayout.EndHorizontal(); } else { mConfirmDelete = false; } } else { if (mSprite == null && mAtlas.spriteList.Count > 0) { string spriteName = EditorPrefs.GetString("NGUI Selected Sprite"); if (!string.IsNullOrEmpty(spriteName)) { mSprite = mAtlas.GetSprite(spriteName); } if (mSprite == null) { mSprite = mAtlas.spriteList[0]; } } if (!mConfirmDelete && mSprite != null) { NGUIEditorTools.DrawSeparator(); NGUIEditorTools.AdvancedSpriteField(mAtlas, mSprite.name, SelectSprite, true); if (mSprite == null) { return; } Texture2D tex = mAtlas.spriteMaterial.mainTexture as Texture2D; if (tex != null) { Rect inner = mSprite.inner; Rect outer = mSprite.outer; if (mAtlas.coordinates == NGUIAtlas.Coordinates.Pixels) { GUI.backgroundColor = green; outer = NGUIEditorTools.IntRect("Dimensions", mSprite.outer); Vector4 border = new Vector4( mSprite.inner.xMin - mSprite.outer.xMin, mSprite.inner.yMin - mSprite.outer.yMin, mSprite.outer.xMax - mSprite.inner.xMax, mSprite.outer.yMax - mSprite.inner.yMax); GUI.backgroundColor = blue; border = NGUIEditorTools.IntPadding("Border", border); GUI.backgroundColor = Color.white; inner.xMin = mSprite.outer.xMin + border.x; inner.yMin = mSprite.outer.yMin + border.y; inner.xMax = mSprite.outer.xMax - border.z; inner.yMax = mSprite.outer.yMax - border.w; } else { // Draw the inner and outer rectangle dimensions GUI.backgroundColor = green; outer = EditorGUILayout.RectField("Outer Rect", mSprite.outer); GUI.backgroundColor = blue; inner = EditorGUILayout.RectField("Inner Rect", mSprite.inner); GUI.backgroundColor = Color.white; } if (outer.xMax < outer.xMin) { outer.xMax = outer.xMin; } if (outer.yMax < outer.yMin) { outer.yMax = outer.yMin; } if (outer != mSprite.outer) { float x = outer.xMin - mSprite.outer.xMin; float y = outer.yMin - mSprite.outer.yMin; inner.x += x; inner.y += y; } // Sanity checks to ensure that the inner rect is always inside the outer inner.xMin = Mathf.Clamp(inner.xMin, outer.xMin, outer.xMax); inner.xMax = Mathf.Clamp(inner.xMax, outer.xMin, outer.xMax); inner.yMin = Mathf.Clamp(inner.yMin, outer.yMin, outer.yMax); inner.yMax = Mathf.Clamp(inner.yMax, outer.yMin, outer.yMax); bool changed = false; if (mSprite.inner != inner || mSprite.outer != outer) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mSprite.inner = inner; mSprite.outer = outer; MarkSpriteAsDirty(); changed = true; } EditorGUILayout.Separator(); if (mAtlas.coordinates == NGUIAtlas.Coordinates.Pixels) { int left = Mathf.RoundToInt(mSprite.paddingLeft * mSprite.outer.width); int right = Mathf.RoundToInt(mSprite.paddingRight * mSprite.outer.width); int top = Mathf.RoundToInt(mSprite.paddingTop * mSprite.outer.height); int bottom = Mathf.RoundToInt(mSprite.paddingBottom * mSprite.outer.height); NGUIEditorTools.IntVector a = NGUIEditorTools.IntPair("Padding", "Left", "Top", left, top); NGUIEditorTools.IntVector b = NGUIEditorTools.IntPair(null, "Right", "Bottom", right, bottom); if (changed || a.x != left || a.y != top || b.x != right || b.y != bottom) { NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas); mSprite.paddingLeft = a.x / mSprite.outer.width; mSprite.paddingTop = a.y / mSprite.outer.height; mSprite.paddingRight = b.x / mSprite.outer.width; mSprite.paddingBottom = b.y / mSprite.outer.height; MarkSpriteAsDirty(); } } else { // Create a button that can make the coordinates pixel-perfect on click GUILayout.BeginHorizontal(); { GUILayout.Label("Correction", GUILayout.Width(75f)); Rect corrected0 = outer; Rect corrected1 = inner; if (mAtlas.coordinates == NGUIAtlas.Coordinates.Pixels) { corrected0 = NGUIMath.MakePixelPerfect(corrected0); corrected1 = NGUIMath.MakePixelPerfect(corrected1); } else { corrected0 = NGUIMath.MakePixelPerfect(corrected0, tex.width, tex.height); corrected1 = NGUIMath.MakePixelPerfect(corrected1, tex.width, tex.height); } if (corrected0 == mSprite.outer && corrected1 == mSprite.inner) { GUI.color = Color.grey; GUILayout.Button("Make Pixel-Perfect"); GUI.color = Color.white; } else if (GUILayout.Button("Make Pixel-Perfect")) { outer = corrected0; inner = corrected1; GUI.changed = true; } } GUILayout.EndHorizontal(); } } // This functionality is no longer used. It became obsolete when the Atlas Maker was added. /*NGUIEditorTools.DrawSeparator(); * * GUILayout.BeginHorizontal(); * { * EditorGUILayout.PrefixLabel("Add/Delete"); * * if (GUILayout.Button("Clone Sprite")) * { * NGUIEditorTools.RegisterUndo("Add Sprite", mAtlas); * NGUIAtlas.Sprite newSprite = new NGUIAtlas.Sprite(); * * if (mSprite != null) * { * newSprite.name = "Copy of " + mSprite.name; * newSprite.outer = mSprite.outer; * newSprite.inner = mSprite.inner; * } * else * { * newSprite.name = "New Sprite"; * } * * mAtlas.spriteList.Add(newSprite); * mSprite = newSprite; * } * * // Show the delete button * GUI.backgroundColor = Color.red; * * if (mSprite != null && GUILayout.Button("Delete", GUILayout.Width(55f))) * { * mConfirmDelete = true; * } * GUI.backgroundColor = Color.white; * } * GUILayout.EndHorizontal();*/ if (NGUIEditorTools.previousSelection != null) { NGUIEditorTools.DrawSeparator(); GUI.backgroundColor = Color.green; if (GUILayout.Button("<< Return to " + NGUIEditorTools.previousSelection.name)) { NGUIEditorTools.SelectPrevious(); } GUI.backgroundColor = Color.white; } } } } }