Remove Node from the names of LodRenderer, BufferBuilder, LodTemplates, and LodBuilder
This commit is contained in:
James Seibel
@@ -0,0 +1,537 @@
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/*
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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.builders;
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import java.awt.Color;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import com.seibel.lod.enums.DistanceGenerationMode;
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import com.seibel.lod.enums.LodDetail;
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import com.seibel.lod.handlers.LodConfig;
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import com.seibel.lod.objects.LevelPos;
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import com.seibel.lod.objects.LodDataPoint;
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import com.seibel.lod.objects.LodDimension;
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import com.seibel.lod.objects.LodWorld;
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import com.seibel.lod.util.LodThreadFactory;
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import com.seibel.lod.util.LodUtil;
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import net.minecraft.block.AbstractPlantBlock;
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import net.minecraft.block.BlockState;
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import net.minecraft.block.Blocks;
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import net.minecraft.block.BushBlock;
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import net.minecraft.block.GrassBlock;
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import net.minecraft.block.IGrowable;
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import net.minecraft.block.LeavesBlock;
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import net.minecraft.block.material.MaterialColor;
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import net.minecraft.world.DimensionType;
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import net.minecraft.world.IWorld;
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import net.minecraft.world.biome.Biome;
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import net.minecraft.world.chunk.ChunkSection;
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import net.minecraft.world.chunk.IChunk;
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import net.minecraft.world.gen.Heightmap;
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/**
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* This object is in charge of creating Lod related objects. (specifically: Lod
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* World, Dimension, Region, and Chunk objects)
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*
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* @author Leonardo Amato
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* @author James Seibel
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* @version 8-17-2021
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*/
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public class LodBuilder
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{
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private ExecutorService lodGenThreadPool = Executors.newSingleThreadExecutor(new LodThreadFactory(this.getClass().getSimpleName()));
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public static final int CHUNK_DATA_WIDTH = LodUtil.CHUNK_WIDTH;
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public static final int CHUNK_SECTION_HEIGHT = CHUNK_DATA_WIDTH;
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public static final Heightmap.Type DEFAULT_HEIGHTMAP = Heightmap.Type.WORLD_SURFACE_WG;
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/**
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* How wide LodDimensions should be in regions
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*/
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public int defaultDimensionWidthInRegions = 5;
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public LodBuilder()
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{
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}
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public void generateLodNodeAsync(IChunk chunk, LodWorld lodWorld, IWorld world)
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{
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generateLodNodeAsync(chunk, lodWorld, world, DistanceGenerationMode.SERVER);
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}
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public void generateLodNodeAsync(IChunk chunk, LodWorld lodWorld, IWorld world, DistanceGenerationMode generationMode)
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{
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if (lodWorld == null || !lodWorld.getIsWorldLoaded())
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return;
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// don't try to create an LOD object
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// if for some reason we aren't
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// given a valid chunk object
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if (chunk == null)
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return;
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Thread thread = new Thread(() ->
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{
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try
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{
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DimensionType dim = world.dimensionType();
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LodDimension lodDim;
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if (lodWorld.getLodDimension(dim) == null)
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{
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lodDim = new LodDimension(dim, lodWorld, defaultDimensionWidthInRegions);
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lodWorld.addLodDimension(lodDim);
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} else
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{
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lodDim = lodWorld.getLodDimension(dim);
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}
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generateLodNodeFromChunk(lodDim, chunk, new LodBuilderConfig(generationMode), LodDetail.FULL);
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} catch (IllegalArgumentException | NullPointerException e)
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{
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e.printStackTrace();
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// if the world changes while LODs are being generated
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// they will throw errors as they try to access things that no longer
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// exist.
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}
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});
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lodGenThreadPool.execute(thread);
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return;
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}
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/**
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* Creates a LodChunk for a chunk in the given world.
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*
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* @throws IllegalArgumentException thrown if either the chunk or world is null.
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*/
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public void generateLodNodeFromChunk(LodDimension lodDim, IChunk chunk, LodDetail detailLevel) throws IllegalArgumentException
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{
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generateLodNodeFromChunk(lodDim, chunk, new LodBuilderConfig(),detailLevel);
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}
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/**
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* Creates a LodChunk for a chunk in the given world.
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*
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* @throws IllegalArgumentException thrown if either the chunk or world is null.
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*/
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public void generateLodNodeFromChunk(LodDimension lodDim, IChunk chunk, LodBuilderConfig config, LodDetail detail)
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throws IllegalArgumentException
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{
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if (chunk == null)
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throw new IllegalArgumentException("generateLodFromChunk given a null chunk");
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for (int i = 0; i < detail.dataPointLengthCount * detail.dataPointLengthCount; i++)
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{
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int startX = detail.startX[i];
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int startZ = detail.startZ[i];
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int endX = detail.endX[i];
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int endZ = detail.endZ[i];
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Color color = generateLodColorForArea(chunk, config, startX, startZ, endX, endZ);
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short height;
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short depth;
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if (!config.useHeightmap)
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{
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height = determineHeightPointForArea(chunk.getSections(), startX, startZ, endX, endZ);
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depth = determineBottomPointForArea(chunk.getSections(), startX, startZ, endX, endZ);
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} else
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{
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height = determineHeightPoint(chunk.getOrCreateHeightmapUnprimed(LodUtil.DEFAULT_HEIGHTMAP), startX,
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startZ, endX, endZ);
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depth = 0;
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}
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LevelPos levelPos = new LevelPos((byte) 0,
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chunk.getPos().x * 16 + startX,
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chunk.getPos().z * 16 + startZ);
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LodDataPoint data = new LodDataPoint(height, depth, color);
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lodDim.addData(levelPos.convert((byte) detail.detailLevel),
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data,
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config.distanceGenerationMode,
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true,
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false);
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}
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}
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// =====================//
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// constructor helpers //
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// =====================//
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/**
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* Find the lowest valid point from the bottom.
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*
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* @param chunkSections
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* @param startX
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* @param startZ
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* @param endX
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* @param endZ
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*/
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private short determineBottomPointForArea(ChunkSection[] chunkSections, int startX, int startZ, int endX, int endZ)
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{
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int numberOfBlocksRequired = ((endX - startX) * (endZ - startZ) / 2);
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// search from the bottom up
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for (int section = 0; section < CHUNK_DATA_WIDTH; section++)
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{
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for (int y = 0; y < CHUNK_SECTION_HEIGHT; y++)
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{
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int numberOfBlocksFound = 0;
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for (int x = startX; x < endX; x++)
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{
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for (int z = startZ; z < endZ; z++)
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{
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if (isLayerValidLodPoint(chunkSections, section, y, x, z))
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{
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numberOfBlocksFound++;
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if (numberOfBlocksFound >= numberOfBlocksRequired)
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{
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// we found
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// enough blocks in this
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// layer to count as an
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// LOD point
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return (short) (y + (section * CHUNK_SECTION_HEIGHT));
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}
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}
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}
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}
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}
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}
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// we never found a valid LOD point
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return -1;
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}
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/**
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* Find the lowest valid point from the bottom.
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*/
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@SuppressWarnings("unused")
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private short determineBottomPoint(Heightmap heightmap)
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{
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// the heightmap only shows how high the blocks go, it
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// doesn't have any info about how low they go
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return 0;
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}
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/**
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* Find the highest valid point from the Top
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*
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* @param chunkSections
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* @param startX
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* @param startZ
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* @param endX
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* @param endZ
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*/
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private short determineHeightPointForArea(ChunkSection[] chunkSections, int startX, int startZ, int endX, int endZ)
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{
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int numberOfBlocksRequired = ((endX - startX) * (endZ - startZ) / 2);
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// search from the top down
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for (int section = chunkSections.length - 1; section >= 0; section--)
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{
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for (int y = CHUNK_DATA_WIDTH - 1; y >= 0; y--)
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{
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int numberOfBlocksFound = 0;
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for (int x = startX; x < endX; x++)
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{
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for (int z = startZ; z < endZ; z++)
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{
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if (isLayerValidLodPoint(chunkSections, section, y, x, z))
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{
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numberOfBlocksFound++;
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if (numberOfBlocksFound >= numberOfBlocksRequired)
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{
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// we found
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// enough blocks in this
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// layer to count as an
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// LOD point
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return (short) (y + 1 + (section * CHUNK_SECTION_HEIGHT));
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}
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}
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}
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}
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}
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}
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// we never found a valid LOD point
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return -1;
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}
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/**
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* Find the highest point from the Top
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*/
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private short determineHeightPoint(Heightmap heightmap, int startX, int startZ, int endX, int endZ)
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{
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short highest = 0;
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for (int x = startX; x < endX; x++)
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{
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for (int z = startZ; z < endZ; z++)
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{
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short newHeight = (short) heightmap.getFirstAvailable(x, z);
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if (newHeight > highest)
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highest = newHeight;
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}
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}
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return highest;
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}
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/**
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* Generate the color for the given chunk using biome water color, foliage
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* color, and grass color.
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*
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* @param config_useSolidBlocksInColorGen <br>
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* If true we look down from the top of
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* the <br>
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* chunk until we find a non-invisible
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* block, and then use <br>
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* its color. If false we generate the
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* color immediately for <br>
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* each x and z.
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* @param config_useBiomeColors <br>
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* If true use biome foliage, water, and
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* grass colors, <br>
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* otherwise only use the block's
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* material color
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*/
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private Color generateLodColorForArea(IChunk chunk, LodBuilderConfig config, int startX, int startZ, int endX,
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int endZ)
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{
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ChunkSection[] chunkSections = chunk.getSections();
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int numbOfBlocks = 0;
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int red = 0;
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int green = 0;
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int blue = 0;
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for (int x = startX; x < endX; x++)
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{
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for (int z = startZ; z < endZ; z++)
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{
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boolean foundBlock = false;
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// go top down
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for (int i = chunkSections.length - 1; !foundBlock && i >= 0; i--)
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{
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if (!foundBlock && (chunkSections[i] != null || !config.useSolidBlocksInColorGen))
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{
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for (int y = CHUNK_SECTION_HEIGHT - 1; !foundBlock && y >= 0; y--)
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{
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int colorInt = 0;
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BlockState blockState = null;
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if (chunkSections[i] != null)
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{
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blockState = chunkSections[i].getBlockState(x, y, z);
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colorInt = blockState.materialColor.col;
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}
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if (colorInt == 0 && config.useSolidBlocksInColorGen)
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{
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// skip air or invisible blocks
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continue;
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}
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if (config.useBiomeColors)
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{
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// I have no idea why I need to bit shift to the right, but
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// if I don't the biomes don't show up correctly.
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Biome biome = chunk.getBiomes().getNoiseBiome(x >> 2, y + 1 * chunkSections.length >> 2,
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z >> 2);
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colorInt = getColorForBiome(x, z, biome);
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} else
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{
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// the bit shift is equivalent to dividing by 4
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Biome biome = chunk.getBiomes().getNoiseBiome(x >> 2, y + i * chunkSections.length >> 2,
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z >> 2);
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colorInt = getColorForBlock(x, z, blockState, biome);
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}
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Color c = LodUtil.intToColor(colorInt);
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red += c.getRed();
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green += c.getGreen();
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blue += c.getBlue();
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numbOfBlocks++;
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// we found a valid block, skip to the
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// next x and z
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foundBlock = true;
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}
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}
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}
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}
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}
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if (numbOfBlocks == 0)
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numbOfBlocks = 1;
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red /= numbOfBlocks;
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green /= numbOfBlocks;
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blue /= numbOfBlocks;
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return new Color(red, green, blue);
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}
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/**
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* Returns a color int for a given block.
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*/
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private int getColorForBlock(int x, int z, BlockState blockState, Biome biome)
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{
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int colorInt = 0;
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// block special cases
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if (blockState == Blocks.AIR.defaultBlockState())
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{
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Color tmp = LodUtil.intToColor(biome.getGrassColor(x, z));
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tmp = tmp.darker();
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colorInt = LodUtil.colorToInt(tmp);
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} else if (blockState == Blocks.MYCELIUM.defaultBlockState())
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{
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colorInt = MaterialColor.COLOR_LIGHT_GRAY.col;
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}
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// plant life
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else if (blockState.getBlock() instanceof LeavesBlock)
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{
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Color leafColor = LodUtil.intToColor(biome.getFoliageColor()).darker();
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colorInt = LodUtil.colorToInt(leafColor);
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}
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else if ((blockState.getBlock() instanceof GrassBlock || blockState.getBlock() instanceof AbstractPlantBlock
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|| blockState.getBlock() instanceof BushBlock || blockState.getBlock() instanceof IGrowable)
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&& !(blockState.getBlock() == Blocks.BROWN_MUSHROOM || blockState.getBlock() == Blocks.RED_MUSHROOM))
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{
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Color tmp = LodUtil.intToColor(biome.getGrassColor(x, z));
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tmp = tmp.darker();
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colorInt = LodUtil.colorToInt(tmp);
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}
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// water
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else if (blockState.getBlock() == Blocks.WATER)
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{
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colorInt = biome.getWaterColor();
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}
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// everything else
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else
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{
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colorInt = blockState.materialColor.col;
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}
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return colorInt;
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}
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/**
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* Returns a color int for the given biome.
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*/
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private int getColorForBiome(int x, int z, Biome biome)
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{
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int colorInt = 0;
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switch (biome.getBiomeCategory())
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{
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case NETHER:
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colorInt = Blocks.BEDROCK.defaultBlockState().materialColor.col;
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break;
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case THEEND:
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colorInt = Blocks.END_STONE.defaultBlockState().materialColor.col;
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break;
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case BEACH:
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case DESERT:
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colorInt = Blocks.SAND.defaultBlockState().materialColor.col;
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break;
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case EXTREME_HILLS:
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colorInt = Blocks.STONE.defaultMaterialColor().col;
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break;
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case MUSHROOM:
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colorInt = MaterialColor.COLOR_LIGHT_GRAY.col;
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break;
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case ICY:
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colorInt = Blocks.SNOW.defaultMaterialColor().col;
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break;
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case MESA:
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colorInt = Blocks.RED_SAND.defaultMaterialColor().col;
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break;
|
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case OCEAN:
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||||
case RIVER:
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||||
colorInt = biome.getWaterColor();
|
||||
break;
|
||||
|
||||
case NONE:
|
||||
case FOREST:
|
||||
case TAIGA:
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||||
case JUNGLE:
|
||||
case PLAINS:
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||||
case SAVANNA:
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||||
case SWAMP:
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||||
default:
|
||||
Color tmp = LodUtil.intToColor(biome.getGrassColor(x, z));
|
||||
tmp = tmp.darker();
|
||||
colorInt = LodUtil.colorToInt(tmp);
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
return colorInt;
|
||||
}
|
||||
|
||||
/**
|
||||
* Is the layer between the given X, Z, and dataIndex values a valid LOD point?
|
||||
*/
|
||||
private boolean isLayerValidLodPoint(ChunkSection[] chunkSections, int sectionIndex, int y, int x, int z)
|
||||
{
|
||||
if (chunkSections[sectionIndex] == null)
|
||||
{
|
||||
// this section doesn't have any blocks,
|
||||
// it is not a valid section
|
||||
return false;
|
||||
} else
|
||||
{
|
||||
if (chunkSections[sectionIndex].getBlockState(x, y, z) != null
|
||||
&& chunkSections[sectionIndex].getBlockState(x, y, z).getBlock() != Blocks.AIR)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user