improved ascend and descend

Author: Redart15

gradle.properties

@@ -19,9 +19,9 @@ loom_version = 1.13.0-bta
 java_version = 8
 ##########################################################################
 # Mod Properties
-mod_version = 1.1.4+7.3_04
+mod_version = 1.1.5+7.3_04
 mod_group = redart15
-mod_name = Commandly
+mod_name = commandly
 ##########################################################################
 # Mod Dependencies
 # Check this on https://github.com/Turnip-Labs/ModMenu/releases/latest/

src/main/java/redart15/commandly/command/CommandAscend.java

@@ -3,6 +3,8 @@
 import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
 import net.minecraft.core.net.command.CommandManager;
+import redart15.commandly.command.cend.CommandAscend;
+import redart15.commandly.command.cend.CommandDescend;
 
 public class CommandlyCommands {
 

src/main/java/redart15/commandly/command/CommandDescend.java

@@ -0,0 +1,49 @@
+package redart15.commandly.command.cend;
+
+import com.mojang.brigadier.context.CommandContext;
+import net.minecraft.core.block.material.MaterialDecoration;
+import net.minecraft.core.entity.player.Player;
+import net.minecraft.core.net.command.CommandSource;
+import net.minecraft.core.world.World;
+import net.minecraft.core.world.chunk.ChunkCoordinates;
+
+import java.util.function.BiFunction;
+
+public class CendUtil {
+	private CendUtil() {}
+
+	public static ChunkCoordinates canPlacePlayer(World world, double dx, double dy, double dz) {
+		int y = (int) Math.ceil(dy);
+		int minX = (int) Math.floor(dx);
+		int maxX = (int) Math.ceil(dx);
+		int minZ = (int) Math.floor(dz);
+		int maxZ = (int) Math.ceil(dz);
+
+		for (; minX < maxX; minX++) {
+			for (; minZ < maxZ; minZ++) {
+				if (world.isAirBlock(minX, y, minZ) && world.isAirBlock(minX, y - 1, minZ) && canTeleportTo(world, minX, y, minZ)) {
+					return new ChunkCoordinates(minX, y, minZ);
+				}
+			}
+		}
+		return null;
+	}
+
+	private static boolean canTeleportTo(World world, int x, int y, int z) {
+		if (world.getBlockMaterial(x, y - 2, z).isSolid()) {
+			return true;
+		}
+		return world.getBlockMaterial(x, y - 2, z) instanceof MaterialDecoration && world.getBlockMaterial(x, y - 3, z).isSolid();
+	}
+
+	protected static int cend(CommandContext<Object> context, BiFunction<CommandSource, Player, Integer> cend) {
+		CommandSource source = (CommandSource) context.getSource();
+		Player player;
+		try {
+			player = context.getArgument("player", Player.class);
+		} catch (IllegalArgumentException e) {
+			player = source.getSender();
+		}
+		return cend.apply(source, player);
+	}
+}

src/main/java/redart15/commandly/command/CommandlyCommands.java

@@ -0,0 +1,40 @@
+package redart15.commandly.command.cend;
+
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.builder.ArgumentBuilderLiteral;
+import com.mojang.brigadier.builder.ArgumentBuilderRequired;
+import net.minecraft.core.entity.player.Player;
+import net.minecraft.core.net.command.CommandManager;
+import net.minecraft.core.net.command.CommandSource;
+import net.minecraft.core.net.command.arguments.ArgumentTypeEntity;
+import net.minecraft.core.world.World;
+import net.minecraft.core.world.chunk.ChunkCoordinates;
+
+import static redart15.commandly.command.CommandlyCommands.ReturnValues.*;
+
+@SuppressWarnings("ALL") //cause this drives me nuts
+public class CommandAscend implements CommandManager.CommandRegistry {
+
+	@Override
+	public void register(CommandDispatcher<CommandSource> dispatcher) {
+		dispatcher.register((ArgumentBuilderLiteral) ((ArgumentBuilderLiteral) ArgumentBuilderLiteral.literal("ascend")
+				.requires((t) -> ((CommandSource) t).hasAdmin())
+				.executes(ctx -> CendUtil.cend(ctx, CommandAscend::ascend))
+				.then(ArgumentBuilderRequired.argument("player", ArgumentTypeEntity.username())
+					.executes(ctx -> CendUtil.cend(ctx, CommandAscend::ascend)))));
+	}
+
+	private static int ascend(CommandSource source, Player player) {
+		World world = player.world;
+		for (double y = player.y; y <= world.getHeightBlocks(); y++) {
+			ChunkCoordinates telePos = CendUtil.canPlacePlayer(world, player.x, y, player.z);
+			if (telePos != null) {
+				source.teleportPlayerToPos(player, telePos.x, telePos.y + 1.0f, telePos.z);
+				source.sendTranslatableMessage("commandly.ascend.up");
+				return code(OK);
+			}
+		}
+		source.sendTranslatableMessage("commandly.ascend.fail");
+		return code(FAIL);
+	}
+}

src/main/java/redart15/commandly/command/cend/CendUtil.java

@@ -0,0 +1,41 @@
+package redart15.commandly.command.cend;
+
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.builder.ArgumentBuilderLiteral;
+import com.mojang.brigadier.builder.ArgumentBuilderRequired;
+import net.minecraft.core.entity.player.Player;
+import net.minecraft.core.net.command.CommandManager;
+import net.minecraft.core.net.command.CommandSource;
+import net.minecraft.core.net.command.arguments.ArgumentTypeEntity;
+import net.minecraft.core.world.World;
+import net.minecraft.core.world.chunk.ChunkCoordinates;
+
+import static redart15.commandly.command.CommandlyCommands.ReturnValues.*;
+
+@SuppressWarnings("ALL") //cause this drives me nuts
+public class CommandDescend implements CommandManager.CommandRegistry {
+
+	@Override
+	public void register(CommandDispatcher<CommandSource> dispatcher) {
+		dispatcher.register((ArgumentBuilderLiteral) ((ArgumentBuilderLiteral) ArgumentBuilderLiteral.literal("descend")
+				.requires((t) -> ((CommandSource) t).hasAdmin())
+				.executes(ctx -> CendUtil.cend(ctx, CommandDescend::descend))
+				.then(ArgumentBuilderRequired.argument("player", ArgumentTypeEntity.username())
+					.executes(ctx -> CendUtil.cend(ctx, CommandDescend::descend)))));
+	}
+
+	private static int descend(CommandSource source, Player player) {
+		World world = player.world;
+		for (double y = player.y - player.bbHeight; y > 0; y--) {
+			ChunkCoordinates telePos = CendUtil.canPlacePlayer(world, player.x, y, player.z);
+			if (telePos != null) {
+				source.teleportPlayerToPos(player, telePos.x, telePos.y + 1.0f, telePos.z);
+				source.sendTranslatableMessage("commandly.descend.down");
+				return code(OK);
+			}
+		}
+		source.sendTranslatableMessage("commandly.descend.fail");
+		return code(FAIL);
+	}
+
+}