104 lines
4.1 KiB
Java
104 lines
4.1 KiB
Java
/*
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*
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* MIT License
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*
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* Copyright (c) 2020 TerraForged
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.terraforged.mod.biome.surface;
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import com.terraforged.api.biome.surface.MaskedSurface;
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import com.terraforged.api.biome.surface.Surface;
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import com.terraforged.api.biome.surface.SurfaceContext;
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import com.terraforged.api.material.layer.LayerMaterial;
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import com.terraforged.mod.biome.provider.DesertBiomes;
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import com.terraforged.mod.biome.provider.TerraBiomeProvider;
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import com.terraforged.mod.chunk.TerraContext;
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import com.terraforged.core.cell.Cell;
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import com.terraforged.n2d.Module;
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import com.terraforged.n2d.Source;
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import com.terraforged.n2d.func.CellFunc;
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import com.terraforged.n2d.util.NoiseUtil;
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import com.terraforged.world.heightmap.Levels;
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import com.terraforged.world.terrain.Terrains;
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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.util.math.BlockPos;
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import net.minecraft.world.gen.Heightmap;
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public class DunesSurface implements MaskedSurface {
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private final int maxHeight;
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private final Levels levels;
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private final Module module;
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private final Terrains terrains;
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private final DesertBiomes deserts;
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private final BlockPos.Mutable pos = new BlockPos.Mutable();
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public DunesSurface(TerraContext context, int maxHeight, DesertBiomes deserts) {
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Module dunes = Source.cell(context.seed.next(), 80, CellFunc.DISTANCE)
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.warp(context.seed.next(), 70, 1, 70);
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this.terrains = context.terrain;
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this.levels = context.levels;
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this.maxHeight = maxHeight;
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this.deserts = deserts;
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this.module = dunes;
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}
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@Override
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public float getMask(Cell cell) {
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return NoiseUtil.map(cell.biomeEdge, 0, 0.7F, 0.7F) * NoiseUtil.map(cell.riverMask, 0.5F, 0.95F, 0.45F);
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}
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@Override
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public void buildSurface(int x, int z, int surface, float mask, SurfaceContext ctx) {
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float value = module.getValue(x, z) * mask;
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float baseHeight = ctx.chunk.getTopBlockY(Heightmap.Type.WORLD_SURFACE_WG, x & 15, z & 15);
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float duneHeight = baseHeight + value * maxHeight;
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int duneBase = (int) baseHeight;
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int duneTop = (int) duneHeight + 1;
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if (duneTop < levels.waterLevel || duneTop <= baseHeight) {
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return;
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}
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LayerMaterial material = deserts.getSandLayers(ctx.biome);
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if (material == null) {
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fill(x, z, duneBase - 4, duneTop, ctx, ctx.chunk, Blocks.SAND.getDefaultState());
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return;
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}
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fill(x, z, duneBase, duneTop, ctx, ctx.chunk, material.getFull());
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float depth = material.getDepth(duneHeight);
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int levels = material.getLevel(depth);
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BlockState top = material.getState(levels);
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ctx.chunk.setBlockState(pos.setPos(x, duneTop, z), top, false);
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}
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public static Surface create(TerraContext context, TerraBiomeProvider provider) {
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return create(context, provider.getModifierManager().getDesertBiomes());
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}
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public static Surface create(TerraContext context, DesertBiomes desertBiomes) {
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return new DunesSurface(context, 25, desertBiomes);
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}
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}
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