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

116 lines
4.4 KiB
Java

/*
*
* 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.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;
public class FrozenOcean implements Surface {
private final Module up;
private final Module down;
private final Module fadeUp;
private final Module bergTop;
private final Module seaFloor;
private final Levels levels;
public FrozenOcean(TerraContext context, int height, int depth) {
Levels levels = context.levels;
Module shape = Source.perlin(context.seed.next(), 65, 3)
.warp(context.seed.next(), 15, 1, 10)
.cache();
Module mask = shape.threshold(0.6).cache();
Module fadeDown = shape.clamp(0.6, 0.725).map(0, 1);
this.levels = levels;
this.fadeUp = shape.clamp(0.6, 0.65).map(0, 1);
this.up = Source.ridge(context.seed.next(), 50, 3)
.mult(mask)
.mult(fadeUp)
.scale(levels.scale(height));
this.down = Source.ridge(context.seed.next(), 60, 3)
.mult(mask)
.mult(fadeDown)
.scale(levels.scale(depth));
this.bergTop = Source.perlin(context.seed.next(), 25, 2)
.scale(levels.scale(3))
.bias(levels.scale(2));
this.seaFloor = Source.perlin(context.seed.next(), 50, 1)
.scale(levels.scale(3))
.bias(levels.scale(1));
}
@Override
public void buildSurface(int x, int z, int height, SurfaceContext ctx) {
int center = levels.waterLevel - 5;
int top = center + (int) (up.getValue(x, z) * levels.worldHeight);
int topDepth = (int) (bergTop.getValue(x, z) * levels.worldHeight);
int bottom = center - (int) (down.getValue(x, z) * levels.worldHeight);
// set iceberg materials
BlockPos.Mutable pos = new BlockPos.Mutable(x, height, z);
for (int dy = top; dy > bottom; dy--) {
pos.setY(dy);
BlockState state = getMaterial(x, dy, z, top, topDepth);
ctx.chunk.setBlockState(pos, state, false);
}
// set ocean floor to gravel
int floorBed = (int) (ctx.cell.value * ctx.levels.worldHeight);
int floorDepth = (int) (seaFloor.getValue(x, z) * levels.worldHeight);
for (int dy = 0; dy < floorDepth; dy++) {
pos.setY(floorBed - dy);
ctx.chunk.setBlockState(pos, SurfaceBuilder.GRAVEL, false);
}
}
private BlockState getMaterial(int x, int y, int z, int top, int topDepth) {
if (y >= top - topDepth && fadeUp.getValue(x, z) == 1) {
return States.SNOW_BLOCK.get();
}
return States.PACKED_ICE.get();
}
private static float getMask(Cell<?> cell) {
return NoiseUtil.map(cell.biomeTypeMask * cell.riverMask, 0F, 0.3F, 0.3F);
}
}