moved a bunch of stuff

src/main/java/carpet/commands/PerimeterInfoCommand.java

@@ -0,0 +1,75 @@
+package carpet.commands;
+
+import carpet.CarpetSettings;
+import carpet.utils.Messenger;
+import carpet.utils.PerimeterDiagnostics;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.builder.LiteralArgumentBuilder;
+import net.minecraft.command.suggestion.SuggestionProviders;
+import net.minecraft.entity.EntityType;
+import net.minecraft.entity.mob.MobEntity;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.command.arguments.BlockPosArgumentType;
+import net.minecraft.command.arguments.EntitySummonArgumentType;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.util.math.BlockPos;
+
+import static net.minecraft.server.command.CommandManager.argument;
+import static net.minecraft.server.command.CommandManager.literal;
+
+public class PerimeterInfoCommand
+{
+    public static void register(CommandDispatcher<ServerCommandSource> dispatcher)
+    {
+        LiteralArgumentBuilder<ServerCommandSource> command = literal("perimeterinfo").
+                requires((player) -> CarpetSettings.getBool("commandPerimeterInfo")).
+                executes( (c) -> perimeterDiagnose(
+                        c.getSource(),
+                        new BlockPos(c.getSource().getPosition()),
+                        null)).
+                then(argument("center position", BlockPosArgumentType.create()).
+                        executes( (c) -> perimeterDiagnose(
+                                c.getSource(),
+                                BlockPosArgumentType.getBlockPos(c, "center position"),
+                                null)).
+                        then(argument("mob",EntitySummonArgumentType.create()).
+                                suggests(SuggestionProviders.SUMMONABLE_ENTITIES).
+                                executes( (c) -> perimeterDiagnose(
+                                        c.getSource(),
+                                        BlockPosArgumentType.getBlockPos(c, "center position"),
+                                        EntitySummonArgumentType.getEntitySummon(c, "mob").toString()
+                                ))));
+        dispatcher.register(command);
+    }
+
+    private static int perimeterDiagnose(ServerCommandSource source, BlockPos pos, String mobId)
+    {
+        CompoundTag nbttagcompound = new CompoundTag();
+        MobEntity entityliving = null;
+        if (mobId != null)
+        {
+            nbttagcompound.putString("id", mobId);
+            entityliving = (MobEntity) EntityType.loadEntityWithPassengers(nbttagcompound, source.getWorld(), (entity_1x) -> {
+                entity_1x.setPositionAndAngles(pos.getX(), pos.getY(), pos.getZ(), entity_1x.yaw, entity_1x.pitch);
+                return !source.getWorld().method_18768(entity_1x) ? null : entity_1x;
+            });
+            if (entityliving == null)
+            {
+                Messenger.m(source, "r Failed to spawn test entity");
+                return 0;
+            }
+        }
+        PerimeterDiagnostics.Result res = PerimeterDiagnostics.countSpots(source.getWorld(), pos, entityliving);
+
+        Messenger.m(source, "w Spawning spaces around ",Messenger.tp("c",pos), "w :");
+        Messenger.m(source, "w   potential in-liquid: ","wb "+res.liquid);
+        Messenger.m(source, "w   potential on-ground: ","wb "+res.ground);
+        if (entityliving != null)
+        {
+            Messenger.m(source, "w   ", entityliving.getDisplayName() ,"w : ","wb "+res.specific);
+            res.samples.forEach(bp -> Messenger.m(source, "w   ", Messenger.tp("c", bp)));
+            entityliving.remove();
+        }
+        return 1;
+    }
+}