LayerPixelPaint.cs

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using System;
using Empyrean.ColorPicker;
using SFB;
using UnityEngine;
using UnityEngine.UI;
 
public class LayerPixelPaint : ELayer
{
    public PixelPaint paint;
 
    public GridLayoutGroup layoutColors;
 
    public ColorPicker picker;
 
    public Action onApply;
 
    private void Update()
    {
        if (Input.GetKeyDown(KeyCode.Escape))
        {
            Close();
        }
    }
 
    public void SetCanvas(TraitCanvas c)
    {
        onApply = delegate
        {
            c.owner.PlaySound(c.owner.material.GetSoundImpact());
            c.owner.renderer.PlayAnime(AnimeID.Shiver);
            Thing thing = c.owner.Split(1);
            thing.c_textureData = paint.tex.EncodeToPNG();
            thing.isModified = true;
            thing.ClearPaintSprite();
            thing.GetPaintSprite();
            thing.renderer.RefreshSprite();
            Close();
        };
        paint.scale = c.SizeGrid;
        paint.size = new Vector2Int(c.Width, c.Height);
        InitPaint();
        if (c.owner.c_textureData != null)
        {
            paint.tex.LoadImage(c.owner.c_textureData);
        }
        paint.imageMask.texture = c.owner.GetSprite().texture;
        paint.imageMask.SetNativeSize();
        paint.imagePreview.SetNativeSize();
    }
 
    public void InitPaint()
    {
        UIItem t = layoutColors.CreateMold<UIItem>();
        for (int i = 0; i < 8; i++)
        {
            UIItem item = Util.Instantiate(t, layoutColors);
            int _i = i;
            item.button1.icon.color = IntColor.FromInt(ELayer.core.config.colors[_i]);
            item.button1.SetOnClick(delegate
            {
                picker.SelectColor(item.button1.icon.color);
            });
            item.button2.SetOnClick(delegate
            {
                item.button1.icon.color = picker.SelectedColor;
                ELayer.core.config.colors[_i] = IntColor.ToInt(picker.SelectedColor);
                SE.Tab();
            });
        }
        layoutColors.RebuildLayout();
        windows[0].AddBottomButton("apply", delegate
        {
            onApply?.Invoke();
        });
        windows[0].AddBottomButton("loadImage", delegate
        {
            DialogLoad(delegate
            {
            });
        });
        windows[0].AddBottomButton("cancel", delegate
        {
            Close();
        });
        paint.Init();
    }
 
    public void DialogLoad(Action onLoad = null)
    {
        ELayer.core.WaitForEndOfFrame(delegate
        {
            string[] array = StandaloneFileBrowser.OpenFilePanel("Load PNG Image", CorePath.CustomDrawing, "png", multiselect: false);
            if (array.Length != 0)
            {
                Texture2D texture2D = IO.LoadPNG(array[0]);
                if (texture2D != null)
                {
                    int num = (paint.size.x - texture2D.width) / 2;
                    int num2 = (paint.size.y - texture2D.height) / 2;
                    if (num < 0)
                    {
                        num = 0;
                    }
                    if (num2 < 0)
                    {
                        num2 = 0;
                    }
                    for (int i = 0; i < texture2D.height && i < paint.size.y; i++)
                    {
                        for (int j = 0; j < texture2D.width && j < paint.size.x; j++)
                        {
                            paint.tex.SetPixel(num + j, num2 + i, texture2D.GetPixel(j, i));
                        }
                    }
                    paint.tex.Apply();
                    SE.Change();
                    UnityEngine.Object.Destroy(texture2D);
                }
            }
        });
    }
}