mirror of
https://github.com/Outer-Wilds-New-Horizons/new-horizons.git
synced 2025-12-11 20:15:44 +01:00
525 lines
20 KiB
C#
525 lines
20 KiB
C#
using HarmonyLib;
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using NewHorizons.Utility.OWML;
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using OWML.Common;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using UnityEngine;
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using UnityEngine.Events;
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using UnityEngine.Networking;
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namespace NewHorizons.Utility.Files
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{
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public static class ImageUtilities
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{
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// key is path + applied effects
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private static readonly Dictionary<string, Texture> _textureCache = new();
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public static bool CheckCachedTexture(string key, out Texture existingTexture) => _textureCache.TryGetValue(key, out existingTexture);
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public static void TrackCachedTexture(string key, Texture texture) => _textureCache.Add(key, texture);
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private static string GetKey(string path) => path.Substring(Main.Instance.ModHelper.OwmlConfig.ModsPath.Length);
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public static bool IsTextureLoaded(IModBehaviour mod, string filename)
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{
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var path = Path.Combine(mod.ModHelper.Manifest.ModFolderPath, filename);
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var key = GetKey(path);
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return _textureCache.ContainsKey(key);
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}
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// needed for backwards compat :P
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public static Texture2D GetTexture(IModBehaviour mod, string filename, bool useMipmaps, bool wrap) => GetTexture(mod, filename, useMipmaps, wrap, false);
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// bug: cache only considers file path, not wrap/mips/linear. oh well
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public static Texture2D GetTexture(IModBehaviour mod, string filename, bool useMipmaps = true, bool wrap = false, bool linear = false)
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{
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if (mod == null)
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{
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NHLogger.LogError("Couldn't get texture, mod is null.");
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return null;
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}
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// Copied from OWML but without the print statement lol
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var path = Path.Combine(mod.ModHelper.Manifest.ModFolderPath, filename);
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var key = GetKey(path);
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if (_textureCache.TryGetValue(key, out var existingTexture))
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{
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NHLogger.LogVerbose($"Already loaded image at path: {path}");
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return (Texture2D)existingTexture;
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}
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NHLogger.LogVerbose($"Loading image at path: {path}");
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try
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{
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var data = File.ReadAllBytes(path);
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var texture = new Texture2D(2, 2, TextureFormat.RGBA32, useMipmaps, linear);
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texture.name = key;
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texture.wrapMode = wrap ? TextureWrapMode.Repeat : TextureWrapMode.Clamp;
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texture.LoadImage(data);
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_textureCache.Add(key, texture);
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return texture;
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}
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catch (Exception ex)
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{
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// Half the time when a texture doesn't load it doesn't need to exist so just log verbose
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NHLogger.LogVerbose($"Exception thrown while loading texture [{filename}]:\n{ex}");
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return null;
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}
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}
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public static void DeleteTexture(IModBehaviour mod, string filename, Texture2D texture)
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{
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var path = Path.Combine(mod.ModHelper.Manifest.ModFolderPath, filename);
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var key = GetKey(path);
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if (_textureCache.ContainsKey(key))
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{
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if (_textureCache[key] == texture)
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{
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_textureCache.Remove(key);
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UnityEngine.Object.Destroy(texture);
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}
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}
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UnityEngine.Object.Destroy(texture);
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}
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public static void ClearCache()
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{
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NHLogger.LogVerbose("Clearing image cache");
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foreach (var texture in _textureCache.Values)
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{
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if (texture == null) continue;
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UnityEngine.Object.Destroy(texture);
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}
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_textureCache.Clear();
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}
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/// <summary>
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/// used specifically for projected slides.
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/// also adds a border (to prevent weird visual bug) and makes the texture linear (otherwise the projected image is too bright).
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/// </summary>
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public static Texture2D Invert(Texture2D texture)
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{
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var key = $"{texture.name} > invert";
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if (_textureCache.TryGetValue(key, out var existingTexture)) return (Texture2D)existingTexture;
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var pixels = texture.GetPixels();
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for (int i = 0; i < pixels.Length; i++)
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{
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var x = i % texture.width;
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var y = (int)Mathf.Floor(i / texture.height);
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// Needs a black border
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if (x == 0 || y == 0 || x == texture.width - 1 || y == texture.height - 1)
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{
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pixels[i].r = 1;
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pixels[i].g = 1;
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pixels[i].b = 1;
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pixels[i].a = 1;
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}
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else
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{
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pixels[i].r = 1f - pixels[i].r;
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pixels[i].g = 1f - pixels[i].g;
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pixels[i].b = 1f - pixels[i].b;
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}
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}
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var newTexture = new Texture2D(texture.width, texture.height, texture.format, texture.mipmapCount != 1, true);
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newTexture.name = key;
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newTexture.SetPixels(pixels);
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newTexture.Apply();
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newTexture.wrapMode = texture.wrapMode;
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_textureCache.Add(key, newTexture);
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return newTexture;
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}
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public static Texture2D MakeReelTexture(Texture2D[] textures)
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{
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var key = $"SlideReelAtlas of {textures.Join(x => x.name)}";
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if (_textureCache.TryGetValue(key, out var existingTexture)) return (Texture2D)existingTexture;
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var size = 256;
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var texture = new Texture2D(size * 4, size * 4, TextureFormat.ARGB32, false);
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texture.name = key;
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var fillPixels = new Color[size * size * 4 * 4];
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for (int xIndex = 0; xIndex < 4; xIndex++)
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{
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for (int yIndex = 0; yIndex < 4; yIndex++)
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{
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int index = yIndex * 4 + xIndex;
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var srcTexture = index < textures.Length ? textures[index] : null;
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for (int i = 0; i < size; i++)
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{
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for (int j = 0; j < size; j++)
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{
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var colour = Color.black;
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if (srcTexture)
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{
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var srcX = i * srcTexture.width / (float)size;
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var srcY = j * srcTexture.height / (float)size;
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if (srcX >= 0 && srcX < srcTexture.width && srcY >= 0 && srcY < srcTexture.height)
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{
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colour = srcTexture.GetPixel((int)srcX, (int)srcY);
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}
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}
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var x = xIndex * size + i;
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// Want it to start from the first row from the bottom then go down then modulo around idk
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// 5 because no pos mod idk
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var y = (5 - yIndex) % 4 * size + j;
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var pixelIndex = x + y * size * 4;
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if (pixelIndex < fillPixels.Length && pixelIndex >= 0) fillPixels[pixelIndex] = colour;
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}
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}
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}
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}
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texture.SetPixels(fillPixels);
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texture.Apply();
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_textureCache.Add(key, texture);
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return texture;
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}
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public static Texture2D MakeOutline(Texture2D texture, Color color, int thickness)
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{
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var key = $"{texture.name} > outline {color} {thickness}";
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if (_textureCache.TryGetValue(key, out var existingTexture)) return (Texture2D)existingTexture;
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var outline = new Texture2D(texture.width, texture.height, texture.format, texture.mipmapCount != 1);
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outline.name = key;
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var outlinePixels = new Color[texture.width * texture.height];
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var pixels = texture.GetPixels();
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for (int x = 0; x < texture.width; x++)
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{
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for (int y = 0; y < texture.height; y++)
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{
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var fillColor = new Color(0, 0, 0, 0);
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if (pixels[x + y * texture.width].a == 1 && CloseToTransparent(pixels, texture.width, texture.height, x, y, thickness))
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{
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fillColor = color;
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}
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outlinePixels[x + y * texture.width] = fillColor;
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}
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}
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outline.SetPixels(outlinePixels);
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outline.Apply();
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outline.wrapMode = texture.wrapMode;
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_textureCache.Add(key, outline);
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return outline;
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}
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private static bool CloseToTransparent(Color[] pixels, int width, int height, int x, int y, int thickness)
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{
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// Check nearby
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var minX = Math.Max(0, x - thickness / 2);
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var minY = Math.Max(0, y - thickness / 2);
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var maxX = Math.Min(width, x + thickness / 2);
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var maxY = Math.Min(height, y + thickness / 2);
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for (int i = minX; i < maxX; i++)
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{
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for (int j = minY; j < maxY; j++)
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{
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if (pixels[i + j * width].a < 1) return true;
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}
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}
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return false;
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}
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public static Texture2D TintImage(Texture2D image, Color tint)
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{
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var key = $"{image.name} > tint {tint}";
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if (_textureCache.TryGetValue(key, out var existingTexture)) return (Texture2D)existingTexture;
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if (image == null)
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{
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NHLogger.LogError($"Tried to tint null image");
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return null;
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}
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var pixels = image.GetPixels();
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for (int i = 0; i < pixels.Length; i++)
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{
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pixels[i].r *= tint.r;
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pixels[i].g *= tint.g;
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pixels[i].b *= tint.b;
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}
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var newImage = new Texture2D(image.width, image.height, image.format, image.mipmapCount != 1);
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newImage.name = key;
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newImage.SetPixels(pixels);
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newImage.Apply();
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newImage.wrapMode = image.wrapMode;
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_textureCache.Add(key, newImage);
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return newImage;
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}
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public static Texture2D LerpGreyscaleImage(Texture2D image, Color lightTint, Color darkTint)
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{
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var key = $"{image.name} > lerp greyscale {lightTint} {darkTint}";
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if (_textureCache.TryGetValue(key, out var existingTexture)) return (Texture2D)existingTexture;
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var pixels = image.GetPixels();
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for (int i = 0; i < pixels.Length; i++)
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{
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pixels[i].r = Mathf.Lerp(darkTint.r, lightTint.r, pixels[i].r);
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pixels[i].g = Mathf.Lerp(darkTint.g, lightTint.g, pixels[i].g);
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pixels[i].b = Mathf.Lerp(darkTint.b, lightTint.b, pixels[i].b);
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}
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var newImage = new Texture2D(image.width, image.height, image.format, image.mipmapCount != 1);
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newImage.name = key;
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newImage.SetPixels(pixels);
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newImage.Apply();
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newImage.wrapMode = image.wrapMode;
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_textureCache.Add(key, newImage);
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return newImage;
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}
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public static Color LerpColor(Color start, Color end, float amount)
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{
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return new Color(Mathf.Lerp(start.r, end.r, amount), Mathf.Lerp(start.g, end.g, amount), Mathf.Lerp(start.b, end.b, amount));
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}
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public static Texture2D LerpGreyscaleImageAlongX(Texture2D image, Color lightTintStart, Color darkTintStart, Color lightTintEnd, Color darkTintEnd)
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{
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var key = $"{image.name} > lerp greyscale {lightTintStart} {darkTintStart} {lightTintEnd} {darkTintEnd}";
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if (_textureCache.TryGetValue(key, out var existingTexture)) return (Texture2D)existingTexture;
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var pixels = image.GetPixels();
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for (int i = 0; i < pixels.Length; i++)
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{
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var amount = (i % image.width) / (float) image.width;
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var lightTint = LerpColor(lightTintStart, lightTintEnd, amount);
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var darkTint = LerpColor(darkTintStart, darkTintEnd, amount);
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pixels[i].r = Mathf.Lerp(darkTint.r, lightTint.r, pixels[i].r);
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pixels[i].g = Mathf.Lerp(darkTint.g, lightTint.g, pixels[i].g);
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pixels[i].b = Mathf.Lerp(darkTint.b, lightTint.b, pixels[i].b);
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}
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var newImage = new Texture2D(image.width, image.height, image.format, image.mipmapCount != 1);
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newImage.name = key;
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newImage.SetPixels(pixels);
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newImage.Apply();
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newImage.wrapMode = image.wrapMode;
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_textureCache.Add(key, newImage);
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return newImage;
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}
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public static Texture2D ClearTexture(int width, int height, bool wrap = false)
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{
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var key = $"Clear {width} {height} {wrap}";
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if (_textureCache.TryGetValue(key, out var existingTexture)) return (Texture2D)existingTexture;
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var tex = new Texture2D(1, 1, TextureFormat.ARGB32, false);
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tex.name = key;
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var fillColor = Color.clear;
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var fillPixels = new Color[tex.width * tex.height];
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for (int i = 0; i < fillPixels.Length; i++)
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{
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fillPixels[i] = fillColor;
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}
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tex.SetPixels(fillPixels);
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tex.Apply();
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tex.wrapMode = wrap ? TextureWrapMode.Repeat : TextureWrapMode.Clamp;
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_textureCache.Add(key, tex);
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return tex;
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}
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public static Texture2D CanvasScaled(Texture2D src, int width, int height)
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{
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var key = $"{src.name} > canvas scaled {width} {height}";
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if (_textureCache.TryGetValue(key, out var existingTexture)) return (Texture2D)existingTexture;
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var tex = new Texture2D(width, height, src.format, src.mipmapCount != 1);
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tex.name = key;
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var fillPixels = new Color[tex.width * tex.height];
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for (int i = 0; i < tex.width; i++)
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{
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for (int j = 0; j < tex.height; j++)
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{
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var x = i + (src.width - width) / 2;
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var y = j + (src.height - height) / 2;
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var colour = Color.black;
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if (x < src.width && y < src.height) colour = src.GetPixel(i, j);
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fillPixels[i + j * tex.width] = colour;
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}
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}
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tex.SetPixels(fillPixels);
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tex.Apply();
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tex.wrapMode = src.wrapMode;
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_textureCache.Add(key, tex);
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return tex;
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}
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public static Color GetAverageColor(Texture2D src)
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{
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var pixels = src.GetPixels32();
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var r = 0f;
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var g = 0f;
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var b = 0f;
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var length = pixels.Length;
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for (int i = 0; i < pixels.Length; i++)
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{
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var color = pixels[i];
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r += (float)color.r / length;
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g += (float)color.g / length;
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b += (float)color.b / length;
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}
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return new Color(r / 255, g / 255, b / 255);
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}
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public static Texture2D MakeSolidColorTexture(int width, int height, Color color)
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{
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var pixels = new Color[width * height];
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for (int i = 0; i < pixels.Length; i++)
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{
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pixels[i] = color;
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}
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var newTexture = new Texture2D(width, height);
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newTexture.SetPixels(pixels);
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newTexture.Apply();
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return newTexture;
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}
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public static Sprite GetButtonSprite(JoystickButton button) => GetButtonSprite(ButtonPromptLibrary.SharedInstance.GetButtonTexture(button));
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public static Sprite GetButtonSprite(KeyCode key) => GetButtonSprite(ButtonPromptLibrary.SharedInstance.GetButtonTexture(key));
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private static Sprite GetButtonSprite(Texture2D texture)
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{
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var sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0.5f, 0.5f), 100, 0, SpriteMeshType.FullRect, Vector4.zero, false);
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sprite.name = texture.name;
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return sprite;
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}
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// Modified from https://stackoverflow.com/a/69141085/9643841
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public class AsyncImageLoader : MonoBehaviour
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{
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public List<(int index, string path)> PathsToLoad { get; private set; } = new();
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public class ImageLoadedEvent : UnityEvent<Texture2D, int> { }
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public ImageLoadedEvent imageLoadedEvent = new();
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private readonly object _lockObj = new();
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public bool FinishedLoading { get; private set; }
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private int _loadedCount = 0;
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// TODO: set up an optional “StartLoading” and “StartUnloading” condition on AsyncTextureLoader,
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// and make use of that for at least for projector stuff (require player to be in the same sector as the slides
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// for them to start loading, and unload when the player leaves)
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void Start()
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{
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imageLoadedEvent.AddListener(OnImageLoaded);
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foreach (var (index, path) in PathsToLoad)
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{
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StartCoroutine(DownloadTexture(path, index));
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}
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}
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private void OnImageLoaded(Texture texture, int index)
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{
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lock (_lockObj)
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{
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_loadedCount++;
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if (_loadedCount >= PathsToLoad.Count)
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{
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NHLogger.LogVerbose($"Finished loading all textures for {gameObject.name} (one was {PathsToLoad.FirstOrDefault()}");
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FinishedLoading = true;
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}
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}
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}
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IEnumerator DownloadTexture(string url, int index)
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{
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var key = GetKey(url);
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lock (_textureCache)
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{
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if (_textureCache.TryGetValue(key, out var existingTexture))
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{
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NHLogger.LogVerbose($"Already loaded image {index}:{url}");
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imageLoadedEvent?.Invoke((Texture2D)existingTexture, index);
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yield break;
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}
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}
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using UnityWebRequest uwr = UnityWebRequestTexture.GetTexture(url);
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yield return uwr.SendWebRequest();
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var hasError = uwr.error != null && uwr.error != "";
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if (hasError)
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{
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NHLogger.LogError($"Failed to load {index}:{url} - {uwr.error}");
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}
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else
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{
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var texture = new Texture2D(2, 2, TextureFormat.RGBA32, false);
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texture.name = key;
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texture.wrapMode = TextureWrapMode.Clamp;
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|
|
var handler = (DownloadHandlerTexture)uwr.downloadHandler;
|
|
texture.LoadImage(handler.data);
|
|
|
|
lock (_textureCache)
|
|
{
|
|
if (_textureCache.TryGetValue(key, out var existingTexture))
|
|
{
|
|
NHLogger.LogVerbose($"Already loaded image {index}:{url}");
|
|
Destroy(texture);
|
|
texture = (Texture2D)existingTexture;
|
|
}
|
|
else
|
|
{
|
|
_textureCache.Add(key, texture);
|
|
}
|
|
|
|
imageLoadedEvent?.Invoke(texture, index);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|