public void OnGUI(Rect rect, AtlasRaw atlas, BinRaw bin, List <SpriteIndex> selected)
{
GUI.BeginClip(rect);
var localRect = new Rect(0, 0, rect.width, rect.height);
var texDragOffset = mOffset;
var texScale = mScale;
var texScaleOffset = new Vector2(
localRect.width * (texScale - 1) * 0.5f,
localRect.height * (texScale - 1) * 0.5f);
var texOffset = texDragOffset - texScaleOffset;
var texSize = localRect.size * texScale;
AtlasEditorUtil.DrawGrid(localRect);
AtlasEditorUtil.DrawSprite(localRect, bin.main, bin.addition,
new Rect(-texOffset.x / texSize.x, (texDragOffset.y + texScaleOffset.y) / texSize.y, localRect.width / texSize.x, localRect.height / texSize.y));
int controlID = GUIUtility.GetControlID(FocusType.Passive);
var eventType = Event.current.GetTypeForControl(controlID);
switch (eventType)
{
case EventType.ScrollWheel:
{
if (localRect.Contains(Event.current.mousePosition))
{
var scaleDelta = 15;
texScale -= Event.current.delta.y / scaleDelta;
texScale = Mathf.Max(texScale, 1);
texScaleOffset = new Vector2(localRect.width * (texScale - 1) * 0.5f,
localRect.height * (texScale - 1) * 0.5f);
texDragOffset.x = Mathf.Clamp(texDragOffset.x, -texScaleOffset.x, texScaleOffset.x);
texDragOffset.y = Mathf.Clamp(texDragOffset.y, -texScaleOffset.y, texScaleOffset.y);
Event.current.Use();
}
break;
}
case EventType.MouseDown:
{
var pos = GUIUtility.GetStateObject(typeof(List <int>), controlID) as List <int>;
pos.Clear();
pos.Add((int)Event.current.mousePosition.x);
pos.Add((int)Event.current.mousePosition.y);
GUIUtility.hotControl = controlID;
break;
}
case EventType.MouseDrag:
{
if (GUIUtility.hotControl == controlID)
{
var pos = GUIUtility.QueryStateObject(typeof(List <int>), controlID) as List <int>;
if (pos[0] <= localRect.width && pos[1] <= localRect.height)
{
texDragOffset.x += Event.current.delta.x;
texDragOffset.y += Event.current.delta.y;
texDragOffset.x = Mathf.Clamp(texDragOffset.x, -texScaleOffset.x, texScaleOffset.x);
texDragOffset.y = Mathf.Clamp(texDragOffset.y, -texScaleOffset.y, texScaleOffset.y);
Event.current.Use();
}
}
break;
}
case EventType.MouseUp:
{
if (GUIUtility.hotControl == controlID)
{
var pos = GUIUtility.QueryStateObject(typeof(List <int>), controlID) as List <int>;
if (pos != null &&
Mathf.Abs(pos[0] - (int)Event.current.mousePosition.x) <= 1 &&
Mathf.Abs(pos[1] - (int)Event.current.mousePosition.y) <= 1)
{
var rPos = new Vector2(
(pos[0] - texOffset.x) / texSize.x,
(pos[1] - texOffset.y) / texSize.y
);
for (var i = 0; i < bin.sprites.Length; i++)
{
var sprite = bin.sprites[i];
var spriteRect = sprite.rect;
var rRect = new Rect(
spriteRect.x / bin.main.width,
(bin.main.height - spriteRect.y - spriteRect.height) / bin.main.height,
spriteRect.width / bin.main.width,
spriteRect.height / bin.main.height
);
if (rRect.Contains(rPos))
{
var index = new SpriteIndex(0, sprite.bin, i);
if (Event.current.button == 0)
{
if (!mMultiSelectEnabled ||
!Event.current.control)
{
selected.Clear();
selected.Add(index);
}
else
{
if (selected.Any(s => s.bin == index.bin && s.sprite == index.sprite))
{
selected.RemoveAll(s => s.bin == index.bin && s.sprite == index.sprite);
}
else
{
selected.Add(index);
}
}
GUI.FocusControl("");
Event.current.Use();
}
break;
}
}
}
GUIUtility.hotControl = 0;
}
break;
}
}
foreach (var index in selected)
{
if (atlas.bins[index.bin] == bin)
{
var sprite = bin.sprites[index.sprite];
var spriteRect = sprite.rect;
var rRect = new Rect(
spriteRect.x / bin.main.width,
(bin.main.height - spriteRect.y - spriteRect.height) / bin.main.height,
spriteRect.width / bin.main.width,
spriteRect.height / bin.main.height
);
var tRect = new Rect(
rRect.x * texSize.x + texOffset.x,
rRect.y * texSize.y + texOffset.y,
rRect.width * texSize.x,
rRect.height * texSize.y
);
Handles.color = Color.green;
Handles.DrawPolyLine(new Vector3[] {
new Vector3(tRect.x, tRect.y, 0),
new Vector3(tRect.xMax, tRect.y, 0),
new Vector3(tRect.xMax, tRect.yMax, 0),
new Vector3(tRect.x, tRect.yMax, 0),
new Vector3(tRect.x, tRect.y, 0)
});
Handles.color = Color.white;
}
}
GUI.EndClip();
mOffset = texDragOffset;
mScale = texScale;
}
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();
}