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83 lines
3.2 KiB
C#
83 lines
3.2 KiB
C#
using System;
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using UnityEngine;
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namespace ConformalDecals.MaterialModifiers {
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public class MaterialTextureProperty : MaterialProperty {
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public Texture2D texture;
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public bool IsNormal { get; }
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public bool IsMain { get; }
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public bool AutoScale { get; }
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private readonly Rect _tileRect;
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public float AspectRatio => _tileRect.height / _tileRect.width;
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private readonly Vector2 _textureOffset;
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private readonly Vector2 _textureScale;
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public MaterialTextureProperty(ConfigNode node) : base(node) {
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IsNormal = ParsePropertyBool(node, "isNormalMap", true, PropertyName == "_BumpMap");
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IsMain = ParsePropertyBool(node, "isMain", true);
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AutoScale = ParsePropertyBool(node, "autoScale", true);
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var textureUrl = node.GetValue("textureURL");
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if ((textureUrl == null && IsNormal) || textureUrl == "Bump") {
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texture = Texture2D.normalTexture;
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}
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else if ((textureUrl == null && !IsNormal) || textureUrl == "White") {
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texture = Texture2D.whiteTexture;
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}
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else if (textureUrl == "Black") {
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texture = Texture2D.blackTexture;
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}
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else {
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var textureInfo = GameDatabase.Instance.GetTextureInfo(textureUrl);
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if (textureInfo == null) throw new Exception($"Cannot find texture: '{textureUrl}'");
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texture = IsNormal ? textureInfo.normalMap : textureInfo.texture;
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}
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if (texture == null) throw new Exception($"Cannot get texture from texture info '{textureUrl}' isNormalMap = {IsNormal}");
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_tileRect = ParsePropertyRect(node, "tileRect", true, new Rect(0, 0, texture.width, texture.height));
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_textureScale.x = _tileRect.width / texture.width;
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_textureScale.y = _tileRect.height / texture.height;
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_textureOffset.x = _tileRect.x / texture.width;
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_textureOffset.y = _tileRect.y / texture.height;
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}
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public MaterialTextureProperty(string name, Texture2D texture, Rect tileRect = default,
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bool isNormal = false, bool isMain = false, bool autoScale = false) : base(name) {
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this.texture = texture;
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_tileRect = tileRect == default ? new Rect(0, 0, this.texture.width, this.texture.height) : tileRect;
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IsNormal = isNormal;
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IsMain = isMain;
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AutoScale = autoScale;
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_textureScale.x = _tileRect.width / this.texture.width;
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_textureScale.y = _tileRect.height / this.texture.height;
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_textureOffset.x = _tileRect.x / this.texture.width;
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_textureOffset.y = _tileRect.y / this.texture.height;
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}
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public override void Modify(Material material) {
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material.SetTexture(_propertyID, texture);
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material.SetTextureOffset(_propertyID, _textureOffset);
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material.SetTextureScale(_propertyID, _textureScale);
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}
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public void UpdateScale(Material material, Vector2 scale) {
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if (AutoScale) {
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material.SetTextureScale(_propertyID, new Vector2(_textureScale.x * scale.x, _textureScale.y * scale.y));
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}
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}
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}
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} |