NaturesAura/src/main/java/de/ellpeck/naturesaura/gen/WorldGenAncientTree.java
2018-10-13 23:46:30 +02:00

138 lines
5.5 KiB
Java

package de.ellpeck.naturesaura.gen;
import de.ellpeck.naturesaura.blocks.ModBlocks;
import net.minecraft.block.Block;
import net.minecraft.block.BlockLeaves;
import net.minecraft.block.BlockLog;
import net.minecraft.block.BlockLog.EnumAxis;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.world.World;
import net.minecraft.world.gen.feature.WorldGenAbstractTree;
import java.util.Random;
public class WorldGenAncientTree extends WorldGenAbstractTree {
public WorldGenAncientTree(boolean notify) {
super(notify);
}
@Override
public boolean generate(World world, Random rand, BlockPos pos) {
int height = rand.nextInt(3) + 5;
BlockPos trunkTop = pos.up(height);
//Roots
int rootsAmount = rand.nextInt(4) + 5;
for (int i = 0; i < rootsAmount; i++) {
int length = rand.nextInt(3) + 3;
float angle = 2F * (float) Math.PI * (i / (float) rootsAmount);
float x = (float) Math.sin(angle) * length;
float z = (float) Math.cos(angle) * length;
BlockPos goal = pos.add(x, 0, z);
while (!world.getBlockState(goal).isFullBlock()) {
goal = goal.down();
}
this.makeBranch(world, pos.up(rand.nextInt(1)), goal, ModBlocks.ANCIENT_BARK.getDefaultState(), false);
}
//Trunk
for (int x = 0; x <= 1; x++) {
for (int z = 0; z <= 1; z++) {
for (int i = height - (x + z) * (rand.nextInt(2) + 2); i >= 0; i--) {
BlockPos goal = pos.add(x, i, z);
if (this.isReplaceable(world, goal)) {
this.setBlockAndNotifyAdequately(world, goal,
ModBlocks.ANCIENT_LOG.getDefaultState().withProperty(BlockLog.LOG_AXIS, EnumAxis.Y));
}
}
}
}
this.makeLeaves(world, trunkTop.up(rand.nextInt(2) - 1),
ModBlocks.ANCIENT_LEAVES.getDefaultState().withProperty(BlockLeaves.CHECK_DECAY, false), rand.nextInt(2) + 3, rand);
//Branches
int branchAmount = rand.nextInt(3) + 4;
for (int i = 0; i < branchAmount; i++) {
int length = rand.nextInt(2) + 3;
float angle = 2F * (float) Math.PI * (i / (float) branchAmount);
float x = (float) Math.sin(angle) * length;
float z = (float) Math.cos(angle) * length;
BlockPos goal = trunkTop.add(x, rand.nextInt(3) + 1, z);
this.makeBranch(world, trunkTop, goal, ModBlocks.ANCIENT_LOG.getDefaultState(), true);
this.makeLeaves(world, goal,
ModBlocks.ANCIENT_LEAVES.getDefaultState().withProperty(BlockLeaves.CHECK_DECAY, false), rand.nextInt(2) + 2, rand);
}
return true;
}
@Override
protected boolean canGrowInto(Block blockType) {
if (super.canGrowInto(blockType)) {
return true;
} else {
Material material = blockType.getDefaultState().getMaterial();
return material == Material.VINE || material == Material.PLANTS;
}
}
private void makeBranch(World world, BlockPos first, BlockPos second, IBlockState state, boolean hasAxis) {
BlockPos pos = second.add(-first.getX(), -first.getY(), -first.getZ());
int length = this.getHighestCoord(pos);
float stepX = (float) pos.getX() / (float) length;
float stepY = (float) pos.getY() / (float) length;
float stepZ = (float) pos.getZ() / (float) length;
for (int i = 0; i <= length; i++) {
BlockPos goal = first.add((0.5F + i * stepX), (0.5F + i * stepY), (0.5F + i * stepZ));
if (this.isReplaceable(world, goal)) {
if (hasAxis) {
EnumAxis axis = this.getLogAxis(first, goal);
this.setBlockAndNotifyAdequately(world, goal, state.withProperty(BlockLog.LOG_AXIS, axis));
} else {
this.setBlockAndNotifyAdequately(world, goal, state);
}
}
}
}
private void makeLeaves(World world, BlockPos pos, IBlockState state, int radius, Random rand) {
for (int x = -radius; x <= radius; x++) {
for (int y = -radius; y <= radius; y++) {
for (int z = -radius; z <= radius; z++) {
BlockPos goal = pos.add(x, y, z);
if (pos.distanceSq(goal) <= radius * radius + rand.nextInt(3) - 1) {
if (this.isReplaceable(world, goal) && !(world.getBlockState(goal).getBlock() instanceof BlockLog)) {
this.setBlockAndNotifyAdequately(world, goal, state);
}
}
}
}
}
}
private int getHighestCoord(BlockPos pos) {
return Math.max(MathHelper.abs(pos.getX()), Math.max(MathHelper.abs(pos.getY()), MathHelper.abs(pos.getZ())));
}
private EnumAxis getLogAxis(BlockPos pos, BlockPos goal) {
EnumAxis axis = EnumAxis.Y;
int x = Math.abs(goal.getX() - pos.getX());
int y = Math.abs(goal.getZ() - pos.getZ());
int highest = Math.max(x, y);
if (highest > 0) {
if (x == highest) {
axis = EnumAxis.X;
} else if (y == highest) {
axis = EnumAxis.Z;
}
}
return axis;
}
}