private static bool DrawTexture(SerializedProperty sequence, Rect firstFrameRect, SerializedProperty frames, SerializedProperty fps, Texture2D firstFrameTexture, SerializedProperty firstFrame, SerializedProperty stickerName, SerializedObject sticker, ref bool updateIndexes)
{
if (sequence.boolValue)
{
GUI.Box(firstFrameRect, GUIContent.none);
var frameIndex = StickerEditor.AnimatedIndex(frames, fps);
var texture = firstFrameTexture;
if (texture == null)
{
return(true);
}
if (frameIndex < frames.arraySize)
{
texture = frames.GetArrayElementAtIndex(frameIndex).objectReferenceValue as Texture2D ?? firstFrameTexture;
}
EditorGUI.DrawTextureTransparent(firstFrameRect, texture);
}
else
{
EditorGUI.BeginChangeCheck();
var texture = EditorGUI.ObjectField(firstFrameRect, firstFrame.objectReferenceValue as Texture2D, typeof(Texture2D), false);
if (EditorGUI.EndChangeCheck())
{
firstFrame.objectReferenceValue = texture;
if (texture != null)
{
stickerName.stringValue = texture.name;
sticker.targetObject.name = texture.name;
updateIndexes = true;
}
}
}
return(false);
}
public override void OnPreviewGUI(Rect r, GUIStyle background)
{
if (r.width < 60 || r.height < 60)
{
return;
}
var firstSticker = stickers.GetArrayElementAtIndex(0);
var firstStickerObject = new SerializedObject(firstSticker.objectReferenceValue);
var frames = firstStickerObject.FindProperty("Frames");
var firstFrame = frames.GetArrayElementAtIndex(0);
var firstFrameTexture = firstFrame.objectReferenceValue as Texture2D;
var size = new Vector2(firstFrameTexture != null ? firstFrameTexture.width : 0, firstFrameTexture != null ? firstFrameTexture.height : 0);
var sizeIndex = 0;
for (var index = 0; index < ValidSizes.Length; index++)
{
var validSize = ValidSizes[index];
if (validSize <= size.x)
{
sizeIndex = index;
}
}
var stickersToDrawPerRow = StickerPerRow[sizeIndex];
var viewRect = new Rect(r);
viewRect.width -= 18;
var pixelWidth = viewRect.width / stickersToDrawPerRow;
var x = viewRect.xMin;
var y = viewRect.yMin;
var stickerCounter = 0;
viewRect.height = Mathf.CeilToInt(stickers.arraySize / 3f) * pixelWidth;
previewScroll = GUI.BeginScrollView(r, previewScroll, viewRect, false, true);
var sequence = false;
for (int i = 0; i < stickers.arraySize; i++)
{
var sticker = stickers.GetArrayElementAtIndex(i);
firstStickerObject = new SerializedObject(sticker.objectReferenceValue);
frames = firstStickerObject.FindProperty("Frames");
var fps = firstStickerObject.FindProperty("Fps");
GUI.Box(new Rect(x, y, pixelWidth, pixelWidth), GUIContent.none);
var firstFrameRect = new Rect(x + 2, y + 2, pixelWidth - 4, pixelWidth - 4);
var frameIndex = StickerEditor.AnimatedIndex(frames, fps);
var texture = firstFrameTexture;
if (texture == null)
{
continue;
}
if (frameIndex < frames.arraySize)
{
texture = frames.GetArrayElementAtIndex(frameIndex).objectReferenceValue as Texture2D ?? firstFrameTexture;
}
if (firstStickerObject.FindProperty("Sequence").boolValue)
{
sequence = true;
}
EditorGUI.DrawTextureTransparent(firstFrameRect, texture);
x += pixelWidth;
stickerCounter++;
if (stickerCounter >= stickersToDrawPerRow)
{
x = r.xMin;
y += pixelWidth;
stickerCounter = 0;
}
}
GUI.EndScrollView();
if (sequence)
{
Repaint();
}
}