public override void OnPreviewGUI(Rect rect, GUIStyle background)
{
base.OnPreviewGUI(rect, background);
if (mSelectedSprites.Count == 1)
{
var atlas = target as AtlasRaw;
var bin = atlas.bins[mSelectedSprites[0].bin];
var sprite = bin.sprites[mSelectedSprites[0].sprite];
var borderRect = AtlasEditorUtil.DrawSpriteInRect(bin.main, bin.addition, sprite, rect, new Vector2(100, 100));
if (mShowBorder)
{
OnSpriteBorderGUI(rect, borderRect, sprite);
}
var titleRect = new Rect(rect.x, rect.y, rect.width, 20);
OnPreivewTitleGUI(titleRect, sprite);
OnPreviewInfoGUI(rect, sprite);
var controlID = GUIUtility.GetControlID(FocusType.Passive);
var eventType = Event.current.GetTypeForControl(controlID);
if (eventType == EventType.MouseDown &&
rect.Contains(Event.current.mousePosition) &&
!titleRect.Contains(Event.current.mousePosition))
{
GUI.FocusControl("");
Event.current.Use();
}
}
else if (mSelectedSprites.Count >= 2)
{
OnPreviewSpritesGUI(rect, mSelectedSprites);
}
}
private void OnPreviewSpritesGUI(Rect rect, List <SpriteIndex> sprites)
{
var atlas = target as AtlasRaw;
var margin = new Vector2(60, 60);
var size = 100;
var space = 20;
var columns = Mathf.FloorToInt((rect.width + space - margin.x) / (size + space));
columns = Mathf.Clamp(columns, 1, sprites.Count);
var rows = Mathf.FloorToInt((rect.height + space - margin.y) / (size + space));
rows = Mathf.Clamp(rows, 1, Mathf.CeilToInt((float)sprites.Count / columns));
var width = (rect.width - margin.x - (columns - 1) * space) / columns;
var height = (rect.height - margin.y - (rows - 1) * space) / rows;
for (int row = 0; row < rows; row++)
{
for (int column = 0; column < columns; column++)
{
int index = row * columns + column;
if (index < sprites.Count)
{
var bin = atlas.bins[sprites[index].bin];
var sprite = bin.sprites[sprites[index].sprite];
AtlasEditorUtil.DrawSpriteInRect(bin.main, bin.addition, sprite,
new Rect(rect.x + margin.x * 0.5f + (width + space) * column,
rect.y + margin.y * 0.5f + (height + space) * row,
width,
height),
new Vector2(0, 0));
}
}
}
var bottomInfo = new GUIContent(string.Format("Previewing {0} of {1} objects", Mathf.Min(rows * columns, sprites.Count), sprites.Count));
var bottomInfoSize = EditorStyles.boldLabel.CalcSize(bottomInfo);
EditorGUI.LabelField(new Rect(rect.x + rect.width * 0.5f - bottomInfoSize.x * 0.5f, rect.yMax, bottomInfoSize.x, bottomInfoSize.y), bottomInfo, EditorStyles.boldLabel);
}
private void DrawSpriteList()
{
var rect = new Rect(mVSplit + 5, 20, position.width - mVSplit - 5, position.height - 20);
var titleRect = new Rect(rect.x - 5, rect.y, rect.width + 5, EditorStyles.toolbar.fixedHeight);
AtlasEditorUtil.TitleBar(titleRect, new GUIContent("Sprite"));
var padding = new Vector2(20, 20);
var itemSize = new Vector2(100, 120);
var itemSpace = new Vector2(20, 20);
var columns = Mathf.Max(Mathf.FloorToInt((titleRect.width - padding.x) / (itemSize.x + itemSpace.x)), 1);
var rows = Mathf.CeilToInt((float)(mFilter.Length + 1) / columns);
var viewRect = new Rect(0, 0, titleRect.width, position.height - titleRect.y - titleRect.height);
var contentRect = new Rect(rect.x, titleRect.y + titleRect.height, viewRect.width, padding.y + Mathf.Max((itemSize.y + itemSpace.y) * rows, viewRect.height));
GUI.BeginGroup(contentRect);
var controlId = GUIUtility.GetControlID(FocusType.Passive);
var eventType = Event.current.GetTypeForControl(controlId);
var index = 0;
var count = Mathf.CeilToInt(viewRect.height / (itemSize.y + itemSpace.y)) * columns;
count = Mathf.Min(mFilter.Length + 1, count);
for (int i = 0; i < count; i++)
{
var clicked = false;
if (i == 0)
{
var previewRect = new Rect(padding.x, padding.y, itemSize.x, 100);
AtlasEditorUtil.DrawGrid(previewRect);
var selectedRect = new Rect(previewRect.x, previewRect.y + previewRect.height + 2, previewRect.width, 18);
if (selectedSprite == null)
{
EditorGUI.DrawRect(selectedRect, ColorSelected);
}
var labelRect = new Rect(selectedRect.x, selectedRect.y, selectedRect.width, selectedRect.height);
EditorGUI.LabelField(labelRect, "None", GetSpritItemLabelStyle());
var clickRect = new Rect(previewRect.x, previewRect.y, previewRect.width, itemSize.y);
if (eventType == EventType.MouseDown &&
clickRect.Contains(Event.current.mousePosition))
{
selectedSprite = null;
clicked = true;
Event.current.Use();
}
index += 1;
}
else
{
var spriteIndex = mFilter[i - 1];
AtlasRaw atlas;
BinRaw bin;
SpriteRaw sprite;
if (mCache.Fetch(spriteIndex, out atlas, out bin, out sprite))
{
var row = index / columns;
var column = index % columns;
var previewRect = new Rect(
padding.x + column * (itemSize.x + itemSpace.x),
padding.y + row * (itemSize.y + itemSpace.y),
itemSize.x, 100);
AtlasEditorUtil.DrawSpriteInRect(bin.main, bin.addition, sprite, previewRect, Vector2.zero);
var selectedRect = new Rect(previewRect.x, previewRect.y + previewRect.height + 2, previewRect.width, 18);
if (spriteIndex.Equals(selectedSprite))
{
EditorGUI.DrawRect(selectedRect, ColorSelected);
}
var labelRect = new Rect(selectedRect.x, selectedRect.y, selectedRect.width, selectedRect.height);
EditorGUI.LabelField(labelRect, sprite.name, GetSpritItemLabelStyle());
var clickRect = new Rect(previewRect.x, previewRect.y, previewRect.width, itemSize.y);
if (eventType == EventType.MouseDown &&
clickRect.Contains(Event.current.mousePosition))
{
selectedSprite = new SpriteIndex(spriteIndex.atlas, spriteIndex.bin, spriteIndex.sprite);
clicked = true;
Event.current.Use();
}
index += 1;
}
}
if (clicked && Event.current.clickCount == 2)
{
MarkCloseWindow();
}
}
var countLabel = new GUIContent((count - 1) + "/" + mFilter.Length);
var countSize = EditorStyles.miniLabel.CalcSize(countLabel);
var countRect = new Rect(viewRect.xMax - countSize.x - 10, viewRect.yMax - countSize.y, countSize.x, countSize.y);
GUI.Label(countRect, countLabel, EditorStyles.miniLabel);
GUI.EndGroup();
}