James Seibel
121 lines
2.9 KiB
Java
121 lines
2.9 KiB
Java
/*
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* This file is part of the LOD Mod, licensed under the GNU GPL v3 License.
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*
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* Copyright (C) 2020 James Seibel
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.seibel.lod.handlers;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import com.seibel.lod.enums.FogQuality;
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import com.seibel.lod.proxy.ClientProxy;
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import com.seibel.lod.wrappers.MinecraftWrapper;
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/**
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* This object is used to get variables from methods
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* where they are private. Specifically the fog setting
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* in Optifine.
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*
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* @author James Seibel
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* @version 9-25-2021
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*/
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public class ReflectionHandler
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{
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public static final ReflectionHandler INSTANCE = new ReflectionHandler();
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private MinecraftWrapper mc = MinecraftWrapper.INSTANCE;
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public Field ofFogField = null;
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public Method vertexBufferUploadMethod = null;
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private ReflectionHandler()
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{
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setupFogField();
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}
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/**
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* finds the Optifine fog type field
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*/
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private void setupFogField()
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{
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// get every variable from the entity renderer
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Field[] optionFields = mc.getOptions().getClass().getDeclaredFields();
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// try and find the ofFogType variable in gameSettings
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for (Field field : optionFields)
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{
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if (field.getName().equals("ofFogType"))
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{
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ofFogField = field;
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return;
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}
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}
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// we didn't find the field,
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// either optifine isn't installed, or
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// optifine changed the name of the variable
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ClientProxy.LOGGER.info(ReflectionHandler.class.getSimpleName() + ": unable to find the Optifine fog field. If Optifine isn't installed this can be ignored.");
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}
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/**
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* Get what type of fog optifine is currently set to render.
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*/
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public FogQuality getFogQuality()
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{
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if (ofFogField == null)
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{
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// either optifine isn't installed,
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// the variable name was changed, or
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// the setup method wasn't called yet.
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return FogQuality.FANCY;
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}
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int returnNum = 0;
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try
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{
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returnNum = (int) ofFogField.get(mc.getOptions());
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}
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catch (IllegalArgumentException | IllegalAccessException e)
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{
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e.printStackTrace();
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}
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switch (returnNum)
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{
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default:
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case 0:
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// optifine's "default" option,
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// it should never be called in this case
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return FogQuality.FAST;
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// normal options
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case 1:
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return FogQuality.FAST;
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case 2:
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return FogQuality.FANCY;
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case 3:
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return FogQuality.OFF;
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}
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}
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}
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