add range checks to FastChunk

TerraForgedCore/src/main/java/com/terraforged/core/world/heightmap/Levels.java

@@ -62,6 +62,13 @@ public class Levels {
         water = NoiseUtil.div(waterY, worldHeight);
     }
 
+    public int scale(float value) {
+        if (value >= 1F) {
+            return worldHeight - 1;
+        }
+        return (int) (value * worldHeight);
+    }
+
     public float scale(int level) {
         return NoiseUtil.div(level, worldHeight);
     }

TerraForgedMod/src/main/java/com/terraforged/mod/chunk/FastChunk.java

@@ -37,6 +37,7 @@ public class FastChunk implements ChunkDelegate {
 
     @Override
     public BlockState setBlockState(BlockPos pos, BlockState state, boolean falling) {
+        if (pos.getY() >= 0 && pos.getY() < 256) {
             ChunkSection section = primer.getSection(pos.getY() >> 4);
             section.lock();
             int dx = pos.getX() & 15;
@@ -54,6 +55,8 @@ public class FastChunk implements ChunkDelegate {
             section.unlock();
             return replaced;
         }
+        return Blocks.AIR.getDefaultState();
+    }
 
     public void setBiomes(BiomeContainer biomes) {
         primer.func_225548_a_(biomes);

TerraForgedMod/src/main/java/com/terraforged/mod/chunk/TerraChunkGenerator.java

@@ -155,7 +155,7 @@ public class TerraChunkGenerator extends ObfHelperChunkGenerator<GenerationSetti
         container.getChunkReader().iterate(context, (cell, dx, dz, ctx) -> {
             int px = ctx.blockX + dx;
             int pz = ctx.blockZ + dz;
-            int py = (int) (cell.value * getMaxHeight());
+            int py = ctx.levels.scale(cell.value);
             ctx.cell = cell;
             ctx.biome = container.getBiome(dx, dz);
             ChunkPopulator.INSTANCE.decorate(ctx.chunk, ctx, px, py, pz);
@@ -182,7 +182,7 @@ public class TerraChunkGenerator extends ObfHelperChunkGenerator<GenerationSetti
 
             getSurfaceManager().getSurface(ctx).buildSurface(px, pz, top, ctx);
 
-            int py = (int) (cell.value * getMaxHeight());
+            int py = ctx.levels.scale(cell.value);
             for (ColumnDecorator processor : getBaseDecorators()) {
                 processor.decorate(ctx.buffer, ctx, px, py, pz);
             }
@@ -238,7 +238,7 @@ public class TerraChunkGenerator extends ObfHelperChunkGenerator<GenerationSetti
         int chunkZ = Size.blockToChunk(z);
         ChunkReader chunk = getChunkReader(chunkX, chunkZ);
         Cell<?> cell = chunk.getCell(x, z);
-        return (int) (cell.value * getMaxHeight());
+        return context.levels.scale(cell.value);
     }
 
     @Override

TerraForgedMod/src/main/java/com/terraforged/mod/decorator/base/RiverDecorator.java

@@ -1,84 +0,0 @@
-/*
- *
- * MIT License
- *
- * Copyright (c) 2020 TerraForged
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package com.terraforged.mod.decorator.base;
-
-import com.terraforged.api.chunk.column.ColumnDecorator;
-import com.terraforged.api.chunk.column.DecoratorContext;
-import com.terraforged.api.material.state.States;
-import com.terraforged.core.util.Seed;
-import com.terraforged.core.world.heightmap.Levels;
-import com.terraforged.core.world.terrain.Terrain;
-import com.terraforged.mod.chunk.TerraContext;
-import me.dags.noise.Module;
-import me.dags.noise.Source;
-import net.minecraft.block.BlockState;
-import net.minecraft.world.chunk.IChunk;
-
-public class RiverDecorator implements ColumnDecorator {
-
-    private final Levels levels;
-    private final Terrain river;
-    private final Terrain riverBank;
-
-    private final BlockState dirt;
-    private final BlockState sand;
-    private final BlockState gravel;
-
-    private final Module noise1;
-
-    public RiverDecorator(TerraContext context) {
-        Seed seed = context.seed.nextSeed();
-        this.levels = context.levels;
-        this.river = context.terrain.river;
-        this.riverBank = context.terrain.riverBanks;
-        this.dirt = States.DIRT.get();
-        this.sand = States.SAND.get();
-        this.gravel = States.GRAVEL.get();
-        this.noise1 = Source.perlin(seed.next(), 50, 1);
-    }
-
-    @Override
-    public void decorate(IChunk chunk, DecoratorContext context, int x, int y, int z) {
-        if (context.cell.tag == river) {
-            chunk.setBlockState(context.pos.setPos(x, y, z), dirt, false);
-            return;
-        }
-        if (context.cell.tag == riverBank) {
-            float value = noise1.getValue(x, z) * 5;
-            if (y + value >= levels.waterY) {
-                if (context.cell.steepness > 0.5) {
-                    chunk.setBlockState(context.pos.setPos(x, y, z), gravel, false);
-                } else if (context.cell.steepness < 0.3) {
-                    chunk.setBlockState(context.pos.setPos(x, y, z), sand, false);
-                } else {
-                    chunk.setBlockState(context.pos.setPos(x, y, z), dirt, false);
-                }
-            } else {
-                chunk.setBlockState(context.pos.setPos(x, y, z), dirt, false);
-            }
-        }
-    }
-}

TerraForgedMod/src/main/java/com/terraforged/mod/decorator/surface/FrozenOcean.java

@@ -28,12 +28,10 @@ package com.terraforged.mod.decorator.surface;
 import com.terraforged.api.chunk.surface.Surface;
 import com.terraforged.api.chunk.surface.SurfaceContext;
 import com.terraforged.api.material.state.States;
-import com.terraforged.core.cell.Cell;
 import com.terraforged.core.world.heightmap.Levels;
 import com.terraforged.mod.chunk.TerraContext;
 import me.dags.noise.Module;
 import me.dags.noise.Source;
-import me.dags.noise.util.NoiseUtil;
 import net.minecraft.block.BlockState;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.gen.surfacebuilders.SurfaceBuilder;
@@ -94,7 +92,7 @@ public class FrozenOcean implements Surface {
         }
 
         // set ocean floor to gravel
-        int floorBed = (int) (ctx.cell.value * ctx.levels.worldHeight);
+        int floorBed = ctx.levels.scale(ctx.cell.value);
         int floorDepth = (int) (seaFloor.getValue(x, z) * levels.worldHeight);
         for (int dy = 0; dy < floorDepth; dy++) {
             pos.setY(floorBed - dy);
@@ -108,8 +106,4 @@ public class FrozenOcean implements Surface {
         }
         return States.PACKED_ICE.get();
     }
-
-    private static float getMask(Cell<?> cell) {
-        return NoiseUtil.map(cell.biomeTypeMask * cell.riverMask, 0F, 0.3F, 0.3F);
-    }
 }

gradle.properties

@@ -1,4 +1,4 @@
-mod_version=0.0.7
+mod_version=0.0.8
 mc_version=1.15.2
 forge_version=31.1.1
 mcp_channel=snapshot