87 lines
2.9 KiB
C#
87 lines
2.9 KiB
C#
using System.Collections.Generic;
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using System.IO;
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using Data;
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using UnityEngine;
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namespace Managers
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{
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public class PackagesImageManager : Utils.Singleton<PackagesImageManager>
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{
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public Dictionary<string, Texture2D> packagesImages = new();
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public Dictionary<string, Sprite> sprites = new();
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public void Init()
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{
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if (packagesImages.Count > 0)
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return;
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var imageDef = Managers.DefineManager.Instance.QueryDefinesByType<ImageDef>();
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foreach (var ima in imageDef)
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{
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if (ima.path == null)
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continue;
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var pack = Managers.DefineManager.Instance.GetDefinePackage(ima);
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var path = Path.Combine(pack.packRootPath, ima.path);
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var texture = Configs.ConfigProcessor.LoadTextureByIO(path);
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if (texture == null)
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continue;
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packagesImages.Add(ima.name, texture);
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SplitTextureIntoSprites(ima.name, texture, ima.hCount, ima.wCount, ima.pixelsPerUnit);
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}
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}
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void SplitTextureIntoSprites(string name, Texture2D texture, int rows, int cols, int pixelsPerUnit)
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{
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if (texture == null || rows <= 0 || cols <= 0)
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{
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Debug.LogError("Invalid parameters for splitting texture.");
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return;
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}
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var textureWidth = texture.width;
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var textureHeight = texture.height;
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var tileWidth = textureWidth / cols;
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var tileHeight = textureHeight / rows;
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// 确保纹理可以被整除
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if (tileWidth * cols != textureWidth || tileHeight * rows != textureHeight)
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{
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Debug.LogError("Texture dimensions are not divisible by the specified rows and columns.");
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return;
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}
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// 遍历每一行和每一列
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for (var row = 0; row < rows; row++)
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{
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for (var col = 0; col < cols; col++)
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{
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// 计算当前小块的矩形区域
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var spriteRect = new Rect(col * tileWidth, row * tileHeight, tileWidth, tileHeight);
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// 创建Sprite
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var sprite = Sprite.Create(texture, (Rect)spriteRect, new Vector2(0.5f, 0.5f), pixelsPerUnit);
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var index = (rows - row - 1) * cols + col;
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sprites[name + $"_{index}"] = sprite;
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}
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}
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}
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public void Reload()
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{
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packagesImages.Clear();
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Init();
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}
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public Sprite GetSprite(string name)
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{
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return sprites.GetValueOrDefault(name, null);
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}
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public Sprite GetSprite(string name, int index)
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{
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name += $"_{index}";
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return GetSprite(name);
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}
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}
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} |