BetterEnd/src/main/java/ru/betterend/util/PortalFrameHelper.java
2020-10-25 01:29:51 +03:00

208 lines
7.3 KiB
Java

package ru.betterend.util;
import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.server.world.ServerWorld;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.world.World;
import ru.betterend.registry.BlockRegistry;
import ru.betterend.registry.FeatureRegistry;
public class PortalFrameHelper {
public static boolean checkPortalFrame(ServerWorld world, BlockPos pos, Block frameBlock) {
if (world == null || pos == null) return false;
if (!world.getBlockState(pos).isOf(frameBlock)) return false;
BlockPos bottomCorner = findBottomCorner(world, pos, frameBlock);
BlockPos topCorner = findTopCorner(world, pos, frameBlock);
if (bottomCorner == null || topCorner == null) return false;
boolean valid = true;
int width = 1, height = 1;
Direction.Axis axis = Direction.Axis.X;
BlockPos checkPos = bottomCorner.up();
Direction moveDir = Direction.UP;
while(valid && !checkPos.equals(bottomCorner)) {
valid = world.getBlockState(checkPos).isOf(frameBlock);
if (!valid) {
switch(moveDir) {
case UP: {
checkPos = checkPos.down();
if (world.getBlockState(checkPos.east()).isOf(frameBlock)) {
checkPos = checkPos.east();
moveDir = Direction.EAST;
valid = true;
} else if (world.getBlockState(checkPos.south()).isOf(frameBlock)) {
axis = Direction.Axis.Z;
checkPos = checkPos.south();
moveDir = Direction.SOUTH;
valid = true;
}
break;
}
case DOWN: {
checkPos = checkPos.up();
if (world.getBlockState(checkPos.west()).isOf(frameBlock)) {
checkPos = checkPos.west();
moveDir = Direction.WEST;
valid = true;
} else if (world.getBlockState(checkPos.north()).isOf(frameBlock)) {
checkPos = checkPos.north();
moveDir = Direction.NORTH;
valid = true;
}
break;
}
case SOUTH:
case EAST: {
checkPos = moveDir.equals(Direction.SOUTH) ? checkPos.north() : checkPos.west();
if (world.getBlockState(checkPos.down()).isOf(frameBlock)) {
checkPos = checkPos.down();
moveDir = Direction.DOWN;
valid = true;
}
break;
}
default:
return false;
}
if (!valid) return false;
} else {
switch(moveDir) {
case UP: {
height++;
checkPos = checkPos.up();
break;
}
case DOWN: {
checkPos = checkPos.down();
break;
}
case NORTH: {
checkPos = checkPos.north();
break;
}
case SOUTH: {
width++;
checkPos = checkPos.south();
break;
}
case EAST: {
width++;
checkPos = checkPos.east();
break;
}
case WEST: {
checkPos = checkPos.west();
break;
}
}
}
}
if (width < 4 || height < 5 || width > 40 || height > 40) return false;
if (axis.equals(Direction.Axis.X)) {
if(!checkIsAreaEmpty(world, bottomCorner.add(1, 1, 0), topCorner.add(-1, -1, 0))) return false;
} else {
if(!checkIsAreaEmpty(world, bottomCorner.add(0, 1, 1), topCorner.add(0, -1, -1))) return false;
}
if (valid) {
if (world.getBlockState(bottomCorner).isOf(BlockRegistry.FLAVOLITE_RUNED)) {
generatePortalFrame(world, bottomCorner, axis, width, height, true);
} else {
generateEternalPortalFrame(world, bottomCorner, axis, width, height, true);
}
}
return valid;
}
public static BlockPos findBottomCorner(World world, BlockPos pos, Block frameBlock) {
BlockState up = world.getBlockState(pos.up());
BlockState down = world.getBlockState(pos.down());
BlockState north = world.getBlockState(pos.north());
BlockState south = world.getBlockState(pos.south());
BlockState west = world.getBlockState(pos.west());
BlockState east = world.getBlockState(pos.east());
if (up.isOf(frameBlock) && !down.isOf(frameBlock)) {
if (south.isOf(frameBlock) || east.isOf(frameBlock)) {
return pos;
} else if (west.isOf(frameBlock)) {
return findBottomCorner(world, pos.west(), frameBlock);
} else if (north.isOf(frameBlock)){
return findBottomCorner(world, pos.north(), frameBlock);
}
return null;
} else if (down.isOf(frameBlock)) {
if (west.isOf(frameBlock)) {
return findBottomCorner(world, pos.west(), frameBlock);
} else if (north.isOf(frameBlock)) {
return findBottomCorner(world, pos.north(), frameBlock);
} else {
return findBottomCorner(world, pos.down(), frameBlock);
}
} else if (west.isOf(frameBlock)) {
return findBottomCorner(world, pos.west(), frameBlock);
} else if (north.isOf(frameBlock)) {
return findBottomCorner(world, pos.north(), frameBlock);
}
return null;
}
public static BlockPos findTopCorner(World world, BlockPos pos, Block frameBlock) {
BlockState up = world.getBlockState(pos.up());
BlockState down = world.getBlockState(pos.down());
BlockState north = world.getBlockState(pos.north());
BlockState south = world.getBlockState(pos.south());
BlockState west = world.getBlockState(pos.west());
BlockState east = world.getBlockState(pos.east());
if (!up.isOf(frameBlock) && down.isOf(frameBlock)) {
if (north.isOf(frameBlock) || west.isOf(frameBlock)) {
return pos;
} else if (east.isOf(frameBlock)) {
return findTopCorner(world, pos.east(), frameBlock);
} else if (south.isOf(frameBlock)){
return findTopCorner(world, pos.south(), frameBlock);
}
return null;
} else if (up.isOf(frameBlock)) {
if (east.isOf(frameBlock)) {
return findTopCorner(world, pos.east(), frameBlock);
} else if (south.isOf(frameBlock)){
return findTopCorner(world, pos.south(), frameBlock);
} else {
return findTopCorner(world, pos.up(), frameBlock);
}
} else if (east.isOf(frameBlock)) {
return findTopCorner(world, pos.east(), frameBlock);
} else if (south.isOf(frameBlock)){
return findTopCorner(world, pos.south(), frameBlock);
}
return null;
}
private static boolean checkIsAreaEmpty(World world, BlockPos bottom, BlockPos top) {
boolean valid = true;
for (BlockPos current : BlockPos.iterate(bottom, top)) {
BlockState state = world.getBlockState(current);
valid &= state.isAir();
}
return valid;
}
public static void generatePortalFrame(ServerWorld world, BlockPos pos, Direction.Axis axis, int width, int height, boolean active) {
FeatureRegistry.END_PORTAL.configure(axis, width, height, active).getFeatureConfigured().generate(world, world.getChunkManager().getChunkGenerator(), new Random(), pos);
}
public static void generateEternalPortalFrame(ServerWorld world, BlockPos pos, Direction.Axis axis, int width, int height, boolean active) {
FeatureRegistry.END_PORTAL_ETERNAL.configure(axis, width, height, active).getFeatureConfigured().generate(world, world.getChunkManager().getChunkGenerator(), new Random(), pos);
}
public static void generatePortalFrame(ServerWorld world, BlockPos pos, Direction.Axis axis, boolean active) {
FeatureRegistry.END_PORTAL.configure(axis, active).getFeatureConfigured().generate(world, world.getChunkManager().getChunkGenerator(), new Random(), pos);
}
public static void generateEternalPortalFrame(ServerWorld world, BlockPos pos, Direction.Axis axis, boolean active) {
FeatureRegistry.END_PORTAL_ETERNAL.configure(axis, active).getFeatureConfigured().generate(world, world.getChunkManager().getChunkGenerator(), new Random(), pos);
}
}