using UnityEngine;

namespace EnergyBarToolkit
{
	[ExecuteInEditMode]
	[RequireComponent(typeof(EnergyBar))]
	public class TransformRenderer3D : EnergyBar3DBase
	{
		public Texture2D objectTexture;

		public string objectAtlasTextureGUID;

		public Color objectTint = Color.white;

		public Vector2 objectAnchor = new Vector2(0.5f, 0.5f);

		public bool transformTranslate;

		public bool transformRotate;

		public bool transformScale;

		public TranslateFunction translateFunction = new TranslateFunction();

		public RotateFunction rotateFunction = new RotateFunction();

		public ScaleFunction scaleFunction = new ScaleFunction();

		private int lastRebuildHash;

		private bool dirty = true;

		private MadSprite objectSprite;

		public override Rect DrawAreaRect
		{
			get
			{
				Rect result = AnyBackgroundOrForegroundSpriteSize();
				if (result.width == 0f && objectSprite != null && objectSprite.CanDraw())
				{
					result = objectSprite.GetTransformedBounds();
				}
				return result;
			}
		}

		protected override void Start()
		{
			base.Start();
			if (RebuildNeeded())
			{
				Rebuild();
			}
		}

		protected override void Update()
		{
			base.Update();
			if (RebuildNeeded())
			{
				Rebuild();
			}
			if (!(panel == null))
			{
				UpdateColor();
				UpdateTransform();
			}
		}

		private void UpdateColor()
		{
			if (objectSprite != null)
			{
				objectSprite.tint = ComputeColor(objectTint);
			}
		}

		private void UpdateTransform()
		{
			if (transformTranslate)
			{
				Vector2 vector = translateFunction.Value(ValueF2);
				Rect bounds = objectSprite.GetBounds();
				objectSprite.transform.localPosition = new Vector2(vector.x * bounds.width, vector.y * bounds.height);
			}
			if (transformRotate)
			{
				Quaternion rotation = rotateFunction.Value(ValueF2);
				objectSprite.transform.localRotation = Quaternion.identity * Quaternion.Inverse(rotation);
			}
			if (transformScale)
			{
				Vector3 localScale = scaleFunction.Value(ValueF2);
				objectSprite.transform.localScale = localScale;
			}
		}

		private bool RebuildNeeded()
		{
			if (panel == null)
			{
				return false;
			}
			MadHashCode madHashCode = new MadHashCode();
			madHashCode.Add(textureMode);
			madHashCode.Add(atlas);
			madHashCode.Add(objectTexture);
			madHashCode.Add(objectAtlasTextureGUID);
			madHashCode.Add(objectAnchor);
			madHashCode.AddEnumerable(texturesBackground);
			madHashCode.AddEnumerable(atlasTexturesBackground);
			madHashCode.AddEnumerable(texturesForeground);
			madHashCode.AddEnumerable(atlasTexturesForeground);
			madHashCode.Add(transformTranslate);
			madHashCode.Add(transformRotate);
			madHashCode.Add(transformScale);
			madHashCode.Add(translateFunction);
			madHashCode.Add(rotateFunction);
			madHashCode.Add(scaleFunction);
			madHashCode.Add(labelEnabled);
			madHashCode.Add(labelFont);
			madHashCode.Add(premultipliedAlpha);
			int hashCode = madHashCode.GetHashCode();
			if (hashCode != lastRebuildHash || dirty)
			{
				lastRebuildHash = hashCode;
				dirty = false;
				return true;
			}
			return false;
		}

		protected override void Rebuild()
		{
			base.Rebuild();
			if (objectSprite != null)
			{
				MadGameObject.SafeDestroy(objectSprite.gameObject);
			}
			int depth = guiDepth * 32;
			depth = BuildBackgroundTextures(depth);
			depth = BuildObject(depth);
			depth = BuildForegroundTextures(depth);
			depth = RebuildLabel(depth);
			UpdateContainer();
		}

		private int BuildObject(int nextDepth)
		{
			objectSprite = CreateHidden<MadSprite>("object");
			objectSprite.guiDepth = nextDepth++;
			SetTexture(objectSprite, objectTexture, objectAtlasTextureGUID);
			objectSprite.pivotPoint = MadSprite.PivotPoint.Custom;
			objectSprite.customPivotPoint = new Vector2(objectAnchor.x, 1f - objectAnchor.y);
			return nextDepth;
		}
	}
}