Merge branch 'dev' of https://git.fantabos.co/bscv into dev

19 files changed, 609 insertions, 99 deletions

diff --git a/src/main/java/ftbsc/bscv/Boscovicino.java b/src/main/java/ftbsc/bscv/Boscovicino.java
index a720cb0..930e457 100644
--- a/src/main/java/ftbsc/bscv/Boscovicino.java
+++ b/src/main/java/ftbsc/bscv/Boscovicino.java
@@ -8,6 +8,7 @@ import ftbsc.bscv.api.IModule;
 import ftbsc.bscv.patches.CommandsPatch.CommandsBuiltEvent;
 import ftbsc.bscv.system.Friends;
 import ftbsc.bscv.system.ModManager;
+import ftbsc.bscv.system.Ruler;
 import net.minecraft.client.gui.screen.IngameMenuScreen;
 import net.minecraft.client.gui.widget.button.Button;
 import net.minecraft.command.CommandSource;
@@ -42,6 +43,9 @@ public class Boscovicino implements ICommons {
 	private static Friends friends;
 	public static Friends friends() { return Boscovicino.friends; }
 
+	@SuppressWarnings("unused") // it just needs to exist to be used by player
+	private static Ruler ruler;
+
 	public Boscovicino() {
 		FMLJavaModLoadingContext.get().getModEventBus().addListener(this::onSetupComplete);
 
@@ -53,6 +57,8 @@ public class Boscovicino implements ICommons {
 
 		Boscovicino.modManager.finish();
 
+		Boscovicino.ruler = new Ruler();
+
 		Boscovicino.spec = cfg.build();
 
 		ForgeConfigSpec.Builder friendSpec = new ForgeConfigSpec.Builder();
diff --git a/src/main/java/ftbsc/bscv/commands/BlockSearch.java b/src/main/java/ftbsc/bscv/commands/BlockSearch.java
new file mode 100644
index 0000000..dd5f663
--- /dev/null
+++ b/src/main/java/ftbsc/bscv/commands/BlockSearch.java
@@ -0,0 +1,57 @@
+package ftbsc.bscv.commands;
+
+import com.google.auto.service.AutoService;
+import com.mojang.brigadier.arguments.IntegerArgumentType;
+import com.mojang.brigadier.builder.LiteralArgumentBuilder;
+
+import ftbsc.bscv.api.ILoadable;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.command.CommandSource;
+import net.minecraft.command.Commands;
+
+import static ftbsc.bscv.Boscovicino.log;
+
+@AutoService(ILoadable.class)
+public class BlockSearch extends AbstractCommand {
+
+	@Override
+	public String getName() { return "block"; }
+
+	public LiteralArgumentBuilder<CommandSource> register(LiteralArgumentBuilder<CommandSource> builder) {
+		return builder
+			.then(
+				Commands.literal("search")
+					.then(
+						Commands.argument("id", IntegerArgumentType.integer(0))
+							.executes( ctx -> {
+								int block_id = ctx.getArgument("id", Integer.class);
+								int block_number = block_id >> 4;
+								int block_meta   = block_id & 0b1111;
+								BlockState state = Block.stateById(block_id);
+								log("block #[%d:%d]::%d >> %s", block_number, block_meta, block_id, state.toString());
+								return 1;
+							})
+					)
+					.then(
+						Commands.argument("number", IntegerArgumentType.integer(0))
+							.then(
+								Commands.argument("meta", IntegerArgumentType.integer(0))
+									.executes( ctx -> {
+										int block_number = ctx.getArgument("number", Integer.class);
+										int block_meta   = ctx.getArgument("meta", Integer.class);
+										int block_id = (block_number << 4) | block_meta;
+										BlockState state = Block.stateById(block_id);
+										log("block #[%d:%d]::%d >> %s", block_number, block_meta, block_id, state.toString());
+										return 1;
+									})
+							)
+					)
+			)
+			.executes(ctx -> {
+				log("no block specified");
+				return 0;
+			});
+	}
+
+}
diff --git a/src/main/java/ftbsc/bscv/commands/Cursor.java b/src/main/java/ftbsc/bscv/commands/Cursor.java
index 49a93aa..a54433d 100644
--- a/src/main/java/ftbsc/bscv/commands/Cursor.java
+++ b/src/main/java/ftbsc/bscv/commands/Cursor.java
@@ -4,6 +4,7 @@ import com.google.auto.service.AutoService;
 import com.mojang.brigadier.builder.LiteralArgumentBuilder;
 
 import ftbsc.bscv.api.ILoadable;
+import net.minecraft.block.BlockState;
 import net.minecraft.command.CommandSource;
 import net.minecraft.command.Commands;
 import net.minecraft.util.Direction;
@@ -18,17 +19,18 @@ public class Cursor extends AbstractCommand {
 	public LiteralArgumentBuilder<CommandSource> register(LiteralArgumentBuilder<CommandSource> builder) {
 		return builder
 			.then(
-				Commands.literal("pos")
+				Commands.literal("info")
 					.executes(ctx -> {
 						switch (MC.hitResult.getType()) {
 							case BLOCK:
 								BlockRayTraceResult result = (BlockRayTraceResult) MC.hitResult;
 								Direction dir = result.getDirection();
-								BlockPos pos =result.getBlockPos();
-								log("Block @ %s (%s)", pos.toString(), dir.toString());
+								BlockPos pos = result.getBlockPos();
+								BlockState state = MC.level.getBlockState(pos);
+								log("Block @ %s (%s): %s", pos.toString(), dir.toString(), state.toString());
 								return 1;
 							case ENTITY:
-								log("Entity @ %s", MC.hitResult.getLocation().toString());
+								log("Entity @ %s (TODO!)", MC.hitResult.getLocation().toString());
 								return 1;
 							default:
 							case MISS:
diff --git a/src/main/java/ftbsc/bscv/commands/Item.java b/src/main/java/ftbsc/bscv/commands/ItemCommand.java
index 2d4bd7f..e1e1b80 100644
--- a/src/main/java/ftbsc/bscv/commands/Item.java
+++ b/src/main/java/ftbsc/bscv/commands/ItemCommand.java
@@ -1,6 +1,7 @@
 package ftbsc.bscv.commands;
 
 import com.google.auto.service.AutoService;
+import com.mojang.brigadier.arguments.IntegerArgumentType;
 import com.mojang.brigadier.builder.LiteralArgumentBuilder;
 
 import ftbsc.bscv.api.ILoadable;
@@ -8,11 +9,15 @@ import ftbsc.bscv.tools.Inventory;
 import net.minecraft.command.CommandSource;
 import net.minecraft.command.Commands;
 import net.minecraft.inventory.container.Slot;
+import net.minecraft.item.Item;
 
 import static ftbsc.bscv.Boscovicino.log;
 
 @AutoService(ILoadable.class)
-public class Item extends AbstractCommand {
+public class ItemCommand extends AbstractCommand {
+
+	@Override
+	public String getName() { return "item"; }
 
 	public LiteralArgumentBuilder<CommandSource> register(LiteralArgumentBuilder<CommandSource> builder) {
 		return builder
@@ -32,6 +37,17 @@ public class Item extends AbstractCommand {
 						return 1;
 					})
 			)
+			.then(
+				Commands.literal("search")
+					.then(
+						Commands.argument("id", IntegerArgumentType.integer(0))
+							.executes(ctx -> {
+								int item_id = ctx.getArgument("id", Integer.class);
+								log("item #[%d] >> %s", item_id, Item.byId(item_id).toString());
+								return 1;
+							})
+					)
+			)
 			.executes(ctx -> {
 				Slot slot = Inventory.hotbar(MC.player).get(MC.player.inventory.selected);
 				if (!slot.hasItem()) return 0;
diff --git a/src/main/java/ftbsc/bscv/commands/ModCommands.java b/src/main/java/ftbsc/bscv/commands/ModCommands.java
index 82e8661..57e1887 100644
--- a/src/main/java/ftbsc/bscv/commands/ModCommands.java
+++ b/src/main/java/ftbsc/bscv/commands/ModCommands.java
@@ -9,7 +9,7 @@ import ftbsc.bscv.api.IModule;
 import net.minecraft.command.CommandSource;
 import net.minecraft.command.Commands;
 
-import static ftbsc.bscv.Boscovicino.log;
+import java.util.stream.Collectors;
 
 @AutoService(ILoadable.class)
 public class ModCommands extends AbstractCommand {
@@ -43,8 +43,11 @@ public class ModCommands extends AbstractCommand {
 					})
 			)
 			.executes(ctx -> {
-				log("no args specified");
-				return 0;
+				String mods = Boscovicino.modManager.mods.stream()
+					.map(x -> x.getName())
+					.collect(Collectors.joining(","));
+				Boscovicino.log("[ %s ]", mods);
+				return 1;
 			});
 	}
 
diff --git a/src/main/java/ftbsc/bscv/modules/QuickModule.java b/src/main/java/ftbsc/bscv/modules/QuickModule.java
index 009a057..648b020 100644
--- a/src/main/java/ftbsc/bscv/modules/QuickModule.java
+++ b/src/main/java/ftbsc/bscv/modules/QuickModule.java
@@ -1,6 +1,7 @@
 package ftbsc.bscv.modules;
 
 import ftbsc.bscv.Boscovicino;
+import ftbsc.bscv.tools.Keybind;
 import net.minecraft.client.settings.KeyBinding;
 import net.minecraft.client.util.InputMappings;
 import net.minecraftforge.client.event.InputEvent;
@@ -51,7 +52,7 @@ public abstract class QuickModule extends AbstractModule {
 	public QuickModule() {
 		super();
 
-		this.keybind = new KeyBinding(key_name(this.getName()), this.getDefaultKey(), key_category());
+		this.keybind = new KeyBinding(Keybind.name(this.getName()), this.getDefaultKey(), Keybind.category());
 		ClientRegistry.registerKeyBinding(this.keybind);
 
 		// register a separate subclass on the hook, so that it's always listening
@@ -76,12 +77,4 @@ public abstract class QuickModule extends AbstractModule {
 		// );
 	}
 
-	private static String key_name(String name) {
-		return String.format("key.%s.%s", Boscovicino.MOD_ID, name);
-	}
-
-	private static String key_category() {
-		return String.format("key.category.%s", Boscovicino.MOD_ID);
-	}
-
 }
diff --git a/src/main/java/ftbsc/bscv/modules/defense/Aura.java b/src/main/java/ftbsc/bscv/modules/defense/Aura.java
index f031f2c..e38be1e 100644
--- a/src/main/java/ftbsc/bscv/modules/defense/Aura.java
+++ b/src/main/java/ftbsc/bscv/modules/defense/Aura.java
@@ -52,7 +52,7 @@ public class Aura extends QuickModule {
 
 		this.reach = Setting.Decimal.builder()
 			.min(0.)
-			.fallback(5.)
+			.fallback(4.)
 			.name("reach")
 			.comment("aura attack reach")
 			.build(this);
diff --git a/src/main/java/ftbsc/bscv/modules/hud/Highlighter.java b/src/main/java/ftbsc/bscv/modules/hud/Highlighter.java
index a5fa0e5..f5cc542 100644
--- a/src/main/java/ftbsc/bscv/modules/hud/Highlighter.java
+++ b/src/main/java/ftbsc/bscv/modules/hud/Highlighter.java
@@ -4,6 +4,7 @@ import com.mojang.blaze3d.matrix.MatrixStack;
 import com.mojang.blaze3d.systems.RenderSystem;
 
 import ftbsc.bscv.modules.AbstractModule;
+import ftbsc.bscv.tools.Inventory;
 import ftbsc.bscv.tools.Setting;
 import net.minecraft.client.gui.screen.inventory.ContainerScreen;
 import net.minecraft.inventory.container.Slot;
@@ -48,38 +49,6 @@ public class Highlighter extends AbstractModule {
 		this.pattern = Pattern.compile(this.query.get());
 	}
 
-	private List<String> enchantments(ItemStack stack) {
-		final ListNBT tags;
-		if (Items.ENCHANTED_BOOK.equals(stack.getItem())) {
-			tags = EnchantedBookItem.getEnchantments(stack); // special case to also search book enchants
-		} else {
-			tags = stack.getEnchantmentTags();
-		}
-
-		List<String> out = new ArrayList<>();
-		for (int i = 0; i < tags.size(); i++) {
-			CompoundNBT tag = tags.getCompound(i);
-			out.add(String.format("%s %s", tag.getString("id"), tag.getInt("lvl")));
-		}
-
-		return out;
-	}
-
-	private boolean matches(ItemStack stack) {
-		if (stack.isEmpty()) return false;
-
-		String displayName = stack.getDisplayName().getString();
-		if (this.pattern.matcher(displayName).find()) return true;
-
-		if (Items.ENCHANTED_BOOK.equals(stack.getItem()) || stack.isEnchanted()) {
-			for (String ench : this.enchantments(stack)) {
-				if (this.pattern.matcher(ench).find()) return true;
-			}
-		}
-
-		return false;
-	}
-
 	@SubscribeEvent
 	public void onGuiContainerDraw(GuiContainerEvent.DrawBackground event) {
 		MatrixStack matrix = event.getMatrixStack();
@@ -91,7 +60,7 @@ public class Highlighter extends AbstractModule {
 
 		for (Slot slot : screen.getMenu().slots) {
 			ItemStack stack = slot.getItem();
-			if (this.matches(stack)) {
+			if (Inventory.matchItem(this.pattern, stack)) {
 				GuiUtils.drawGradientRect(
 					matrix.last().pose(), 0,
 					slot.x, slot.y, slot.x + 16, slot.y + 16,
diff --git a/src/main/java/ftbsc/bscv/modules/motion/VanillaFlight.java b/src/main/java/ftbsc/bscv/modules/motion/VanillaFlight.java
index df00eda..0d1d736 100644
--- a/src/main/java/ftbsc/bscv/modules/motion/VanillaFlight.java
+++ b/src/main/java/ftbsc/bscv/modules/motion/VanillaFlight.java
@@ -40,24 +40,24 @@ public class VanillaFlight extends QuickModule {
 		this.force = Setting.Bool.builder()
 			.name("force")
 			.comment("force enable flight on user")
-			.fallback(false)
+			.fallback(true)
 			.build(this);
 
 		this.drift = Setting.Bool.builder()
 			.name("drift")
 			.comment("gradually reduce momentum")
-			.fallback(true)
+			.fallback(false)
 			.build(this);
 
 		this.speed = Setting.Decimal.builder()
 			.min(0.)
-			.fallback(0.05)
+			.fallback(0.1)
 			.name("speed")
 			.comment("flight speed to set")
 			.build(this);
 
 		this.antikick = Setting.Switch.builder(AntikickMode.class)
-			.fallback(AntikickMode.NONE)
+			.fallback(AntikickMode.PACKET)
 			.name("antikick")
 			.comment("prevent vanilla flight kick by descending")
 			.build(this);
diff --git a/src/main/java/ftbsc/bscv/modules/self/AutoTool.java b/src/main/java/ftbsc/bscv/modules/self/AutoTool.java
index 1474085..c37a8a2 100644
--- a/src/main/java/ftbsc/bscv/modules/self/AutoTool.java
+++ b/src/main/java/ftbsc/bscv/modules/self/AutoTool.java
@@ -1,11 +1,14 @@
 package ftbsc.bscv.modules.self;
 
 import com.google.auto.service.AutoService;
+
+import ftbsc.bscv.Boscovicino;
 import ftbsc.bscv.api.ILoadable;
 import ftbsc.bscv.modules.AbstractModule;
 import ftbsc.bscv.tools.Inventory;
 import ftbsc.bscv.tools.Setting;
 import net.minecraft.block.BlockState;
+import net.minecraft.enchantment.Enchantments;
 import net.minecraft.inventory.container.Slot;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.math.BlockRayTraceResult;
@@ -19,6 +22,7 @@ import java.util.List;
 public class AutoTool extends AbstractModule {
 
 	public final ForgeConfigSpec.ConfigValue<Integer> limit;
+	public final ForgeConfigSpec.ConfigValue<Boolean> prefer_looting;
 
 	public AutoTool() {
 		super();
@@ -28,6 +32,12 @@ public class AutoTool extends AbstractModule {
 			.comment("durability limit for tools, set to 0 to destroy them")
 			.fallback(1)
 			.build(this);
+
+		this.prefer_looting = Setting.Bool.builder()
+			.name("prefer-looting")
+			.comment("when picking best weapon, prefer looting over slight more DPS")
+			.fallback(true)
+			.build(this);
 	}
 
 	private boolean itemIsTooDamaged(ItemStack item) {
@@ -47,6 +57,12 @@ public class AutoTool extends AbstractModule {
 			}
 
 			double damage = Inventory.itemDPS(item);
+
+			int looting = Inventory.getEnchLevel(item, Enchantments.MOB_LOOTING);
+			if (this.prefer_looting.get() && looting > 0) {
+				damage += 0.1 * looting;
+			}
+
 			if (damage > current_damage) {
 				current_slot = i;
 				current_damage = damage;
diff --git a/src/main/java/ftbsc/bscv/modules/self/ContainerCleaner.java b/src/main/java/ftbsc/bscv/modules/self/ContainerCleaner.java
new file mode 100644
index 0000000..c53fed0
--- /dev/null
+++ b/src/main/java/ftbsc/bscv/modules/self/ContainerCleaner.java
@@ -0,0 +1,79 @@
+package ftbsc.bscv.modules.self;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.google.auto.service.AutoService;
+
+import ftbsc.bscv.api.ILoadable;
+import ftbsc.bscv.modules.AbstractModule;
+import ftbsc.bscv.tools.Inventory;
+import ftbsc.bscv.tools.Setting;
+import net.minecraft.client.gui.screen.inventory.ContainerScreen;
+import net.minecraft.command.arguments.ItemArgument;
+import net.minecraft.command.arguments.ItemInput;
+import net.minecraft.inventory.container.ClickType;
+import net.minecraft.inventory.container.Slot;
+import net.minecraft.item.Item;
+import net.minecraftforge.common.ForgeConfigSpec;
+import net.minecraftforge.event.TickEvent.ClientTickEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+
+@AutoService(ILoadable.class)
+public class ContainerCleaner extends AbstractModule {
+
+	public final ForgeConfigSpec.ConfigValue<Integer> cooldown;
+	public final ForgeConfigSpec.ConfigValue<Boolean> limit;
+	public final ForgeConfigSpec.ConfigValue<Boolean> all;
+	public final ForgeConfigSpec.ConfigValue<List<? extends Integer>> blacklist;
+	private int counter;
+
+	public ContainerCleaner() {
+		super();
+
+		this.counter = 0;
+		this.cooldown = Setting.Number.builder()
+			.fallback(0)
+			.name("cooldown")
+			.comment("ticks before throwing next item")
+			.build(this);
+
+		this.limit = Setting.Bool.builder()
+			.fallback(true)
+			.name("limit")
+			.comment("limit to one action per tick")
+			.build(this);
+
+		this.all = Setting.Bool.builder()
+			.fallback(true)
+			.name("all")
+			.comment("throw whole stacks instead of single items")
+			.build(this);
+
+		this.blacklist = new Setting.Many<ItemInput, Integer>(ItemArgument.item(), ItemInput.class)
+			.writer(x -> Item.getId(x.getItem()))
+			.fallback(new ArrayList<Integer>())
+			.name("blacklist")
+			.comment("items to throw away")
+			.build(this);
+	}
+
+	@SubscribeEvent
+	public void onTick(ClientTickEvent event) {
+		if (MC.screen == null) return;
+		if (!(MC.screen instanceof ContainerScreen)) return;
+		if (this.counter > 0) {
+			this.counter -= 1;
+			return;
+		}
+		ContainerScreen<?> screen = (ContainerScreen<?>) MC.screen;
+		for (Slot slot : screen.getMenu().slots) {
+			if (this.blacklist.get().contains(Item.getId(slot.getItem().getItem()))) {
+				int button = this.all.get() ? 1 : 0;
+				Inventory.clickSlot(screen.getMenu().containerId, slot.index, button, ClickType.THROW);
+				this.counter = this.cooldown.get();
+				if (this.limit.get()) return; // only throw one item per tick
+			}
+		}
+	}
+}
diff --git a/src/main/java/ftbsc/bscv/modules/self/FastCraft.java b/src/main/java/ftbsc/bscv/modules/self/FastCraft.java
new file mode 100644
index 0000000..d4aaa77
--- /dev/null
+++ b/src/main/java/ftbsc/bscv/modules/self/FastCraft.java
@@ -0,0 +1,39 @@
+package ftbsc.bscv.modules.self;
+
+import com.google.auto.service.AutoService;
+import ftbsc.bscv.api.ILoadable;
+import ftbsc.bscv.modules.AbstractModule;
+import ftbsc.bscv.tools.Inventory;
+import ftbsc.bscv.tools.Setting;
+import net.minecraft.client.gui.screen.inventory.InventoryScreen;
+import net.minecraft.inventory.container.ClickType;
+import net.minecraftforge.common.ForgeConfigSpec;
+import net.minecraftforge.event.TickEvent.ClientTickEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+
+@AutoService(ILoadable.class)
+public class FastCraft extends AbstractModule {
+
+	public final ForgeConfigSpec.ConfigValue<Boolean> drop;
+
+	public FastCraft() {
+		super();
+
+		this.drop = Setting.Bool.builder()
+			.fallback(false)
+			.name("drop")
+			.comment("throw cradted items away instead of moving them back in inventory")
+			.build(this);
+	}
+
+	@SubscribeEvent
+	public void onTick(ClientTickEvent event) {
+		if (MC.screen == null) return;
+		if (!(MC.screen instanceof InventoryScreen)) return;
+		InventoryScreen inventory = (InventoryScreen) MC.screen;
+		if (inventory.getMenu().slots.get(0).hasItem()) {
+			// TODO can we throw them all? like this it throws one by one
+			Inventory.clickSlot(0, this.drop.get() ? ClickType.THROW : ClickType.QUICK_MOVE);
+		}
+	}
+}
diff --git a/src/main/java/ftbsc/bscv/modules/self/HandChanger.java b/src/main/java/ftbsc/bscv/modules/self/HandChanger.java
new file mode 100644
index 0000000..c7f8a03
--- /dev/null
+++ b/src/main/java/ftbsc/bscv/modules/self/HandChanger.java
@@ -0,0 +1,72 @@
+package ftbsc.bscv.modules.self;
+
+import com.google.auto.service.AutoService;
+import ftbsc.bscv.api.ILoadable;
+import ftbsc.bscv.modules.AbstractModule;
+import ftbsc.bscv.tools.Setting;
+import net.minecraftforge.client.event.RenderHandEvent;
+import net.minecraftforge.common.ForgeConfigSpec;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+
+@AutoService(ILoadable.class)
+public class HandChanger extends AbstractModule {
+
+	public final ForgeConfigSpec.ConfigValue<Double> main;
+	public final ForgeConfigSpec.ConfigValue<Double> off;
+	public final ForgeConfigSpec.ConfigValue<Boolean> cancel_main;
+	public final ForgeConfigSpec.ConfigValue<Boolean> cancel_off;
+
+	public HandChanger() {
+		super();
+
+		this.main = Setting.Decimal.builder()
+			.min(0.)
+			.max(1.)
+			.name("main")
+			.comment("height of main hand")
+			.fallback(1.)
+			.build(this);
+
+		this.off = Setting.Decimal.builder()
+			.min(0.)
+			.max(1.)
+			.name("off")
+			.comment("height of off hand")
+			.fallback(1.)
+			.build(this);
+
+		this.cancel_main = Setting.Bool.builder()
+			.name("cancel-main")
+			.comment("completely prevent main hand rendering")
+			.fallback(false)
+			.build(this);
+
+		this.cancel_off = Setting.Bool.builder()
+			.name("cancel-off")
+			.comment("completely prevent off hand rendering")
+			.fallback(false)
+			.build(this);
+	}
+
+	@SubscribeEvent
+	public void onRenderHands(RenderHandEvent event) {
+		switch (event.getHand()) {
+			case MAIN_HAND:
+				if (this.cancel_main.get()) {
+					event.setCanceled(true);
+				} else if (this.main.get() != 1.0) {
+					MC.gameRenderer.itemInHandRenderer.mainHandHeight = this.main.get().floatValue(); // ACCESSTRANSFORMER public net.minecraft.client.renderer.FirstPersonRenderer field_187469_f
+					MC.gameRenderer.itemInHandRenderer.oMainHandHeight = this.main.get().floatValue(); // ACCESSTRANSFORMER public net.minecraft.client.renderer.FirstPersonRenderer field_187469_f
+				}
+				break;
+			case OFF_HAND:
+				if (this.cancel_off.get()) {
+					event.setCanceled(true);
+				} else if (this.off.get() != 1.0) {
+					MC.gameRenderer.itemInHandRenderer.offHandHeight = this.off.get().floatValue(); // ACCESSTRANSFORMER public net.minecraft.client.renderer.FirstPersonRenderer field_187470_g
+					MC.gameRenderer.itemInHandRenderer.oOffHandHeight = this.off.get().floatValue(); // ACCESSTRANSFORMER public net.minecraft.client.renderer.FirstPersonRenderer field_187470_g
+				}
+				break;
+		}
+	}
+}
diff --git a/src/main/java/ftbsc/bscv/modules/hud/NoOverlay.java b/src/main/java/ftbsc/bscv/modules/self/NoOverlay.java
index 474c759..d2b02cf 100644
--- a/src/main/java/ftbsc/bscv/modules/hud/NoOverlay.java
+++ b/src/main/java/ftbsc/bscv/modules/self/NoOverlay.java
@@ -1,4 +1,4 @@
-package ftbsc.bscv.modules.hud;
+package ftbsc.bscv.modules.self;
 
 import com.google.auto.service.AutoService;
 
diff --git a/src/main/java/ftbsc/bscv/system/Ruler.java b/src/main/java/ftbsc/bscv/system/Ruler.java
new file mode 100644
index 0000000..bb4c012
--- /dev/null
+++ b/src/main/java/ftbsc/bscv/system/Ruler.java
@@ -0,0 +1,85 @@
+package ftbsc.bscv.system;
+
+import ftbsc.bscv.ICommons;
+import ftbsc.bscv.tools.Keybind;
+import net.minecraft.client.settings.KeyBinding;
+import net.minecraft.client.util.InputMappings;
+import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.RayTraceResult.Type;
+import net.minecraftforge.client.event.InputEvent;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.client.registry.ClientRegistry;
+
+import static ftbsc.bscv.Boscovicino.log;
+
+public class Ruler implements ICommons {
+
+	public final KeyBinding keybind;
+
+	public Ruler() {
+		super();
+
+		this.keybind = new KeyBinding(Keybind.name("Ruler"), InputMappings.UNKNOWN.getValue(), Keybind.category());
+		ClientRegistry.registerKeyBinding(this.keybind);
+
+		// register a separate subclass on the hook, so that it's always listening
+		MinecraftForge.EVENT_BUS.register(new ToggleHook(this.keybind));
+
+		// dispatcher.register(
+		// 	Commands.literal(this.name.toLowerCase())
+		// 		.then(
+		// 			Commands.literal("bind")
+		// 				.then(
+		// 					Commands.argument("key", StringArgumentType.word())
+		// 						.executes( ctx -> {
+		// 							this.keybind.setKey(
+		// 								InputMappings.getKey( // TODO it's not this easy!
+		// 									StringArgumentType.getString(ctx, "key")
+		// 								)
+		// 							);
+		// 							return 1;
+		// 						})
+		// 				)
+		// 		)
+		// );
+	}
+
+	public static void measure() {
+		RayTraceResult aim = MC.player.pick(1024, 0, false); // will 1024 be enough?
+		double distance = Math.sqrt(aim.distanceTo(MC.player));
+		if (aim.getType() == Type.BLOCK) {
+			log("distance: %.1fm", distance);
+		}
+	}
+
+	// TODO can this be made an util or a global event listener?
+	private class ToggleHook {
+		private final KeyBinding key;
+		private       boolean    debounce;
+		// TODO all examples show isPressed() to get a debounced value
+		//  but it seems to be missing? making my own debounce for now
+		protected ToggleHook(KeyBinding key) {
+			this.key = key;
+			this.debounce = false;
+		}
+
+		private void onInput() {
+			if (this.debounce) {
+				if (!this.key.isDown()) {
+					this.debounce = false;
+				}
+			} else {
+				if (this.key.isDown()) {
+					Ruler.measure();
+					this.debounce = true;
+				}
+			}
+		}
+
+		@SubscribeEvent
+		public void onKeyPress(InputEvent.KeyInputEvent event) { this.onInput(); }
+		@SubscribeEvent
+		public void onKeyPress(InputEvent.MouseInputEvent event) { this.onInput(); }
+	}
+}
diff --git a/src/main/java/ftbsc/bscv/tools/Inventory.java b/src/main/java/ftbsc/bscv/tools/Inventory.java
index 8f1e2f5..ec36e89 100644
--- a/src/main/java/ftbsc/bscv/tools/Inventory.java
+++ b/src/main/java/ftbsc/bscv/tools/Inventory.java
@@ -7,13 +7,19 @@ import net.minecraft.enchantment.Enchantments;
 import net.minecraft.entity.ai.attributes.AttributeModifier;
 import net.minecraft.entity.ai.attributes.Attributes;
 import net.minecraft.inventory.EquipmentSlotType;
+import net.minecraft.inventory.container.ClickType;
 import net.minecraft.inventory.container.Slot;
+import net.minecraft.item.EnchantedBookItem;
 import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
 import net.minecraft.nbt.CompoundNBT;
 import net.minecraft.nbt.INBT;
+import net.minecraft.nbt.ListNBT;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
+import java.util.regex.Pattern;
 
 public class Inventory implements ICommons {
 
@@ -68,4 +74,44 @@ public class Inventory implements ICommons {
 
 		return damage / (1. + speed);
 	}
+
+	public static List<String> itemEnchantments(ItemStack stack) {
+		final ListNBT tags;
+		if (Items.ENCHANTED_BOOK.equals(stack.getItem())) {
+			tags = EnchantedBookItem.getEnchantments(stack); // special case to also search book enchants
+		} else {
+			tags = stack.getEnchantmentTags();
+		}
+
+		List<String> out = new ArrayList<>();
+		for (int i = 0; i < tags.size(); i++) {
+			CompoundNBT tag = tags.getCompound(i);
+			out.add(String.format("%s %s", tag.getString("id"), tag.getInt("lvl")));
+		}
+
+		return out;
+	}
+
+	public static void clickSlot(int slot_index, ClickType click) { clickSlot(0, slot_index, 0, click); }
+	public static void clickSlot(Slot slot, int button, ClickType click) { clickSlot(0, slot.index, button, click); }
+	public static void clickSlot(int container, int slot_index, ClickType click) { clickSlot(container, slot_index, 0, click); }
+
+	public static void clickSlot(int container, int slot_index, int button, ClickType click) {
+		MC.gameMode.handleInventoryMouseClick(container, slot_index, button, click, MC.player);
+	}
+
+	public static boolean matchItem(Pattern pattern, ItemStack stack) {
+		if (stack.isEmpty()) return false;
+
+		String displayName = stack.getDisplayName().getString();
+		if (pattern.matcher(displayName).find()) return true;
+
+		if (Items.ENCHANTED_BOOK.equals(stack.getItem()) || stack.isEnchanted()) {
+			for (String ench : itemEnchantments(stack)) {
+				if (pattern.matcher(ench).find()) return true;
+			}
+		}
+
+		return false;
+	}
 }
diff --git a/src/main/java/ftbsc/bscv/tools/Keybind.java b/src/main/java/ftbsc/bscv/tools/Keybind.java
new file mode 100644
index 0000000..64fe1ad
--- /dev/null
+++ b/src/main/java/ftbsc/bscv/tools/Keybind.java
@@ -0,0 +1,13 @@
+package ftbsc.bscv.tools;
+
+import ftbsc.bscv.Boscovicino;
+
+public class Keybind {
+	public static String name(String name) {
+		return String.format("key.%s.%s", Boscovicino.MOD_ID, name);
+	}
+
+	public static String category() {
+		return String.format("key.category.%s", Boscovicino.MOD_ID);
+	}
+}
diff --git a/src/main/java/ftbsc/bscv/tools/Setting.java b/src/main/java/ftbsc/bscv/tools/Setting.java
index 99f5480..427e22e 100644
--- a/src/main/java/ftbsc/bscv/tools/Setting.java
+++ b/src/main/java/ftbsc/bscv/tools/Setting.java
@@ -1,23 +1,28 @@
 package ftbsc.bscv.tools;
 
+import com.google.common.collect.Lists;
 import com.mojang.brigadier.arguments.*;
+
 import ftbsc.bscv.api.IModule;
 import net.minecraft.command.Commands;
 import net.minecraftforge.common.ForgeConfigSpec;
 import net.minecraftforge.server.command.EnumArgument;
 
+import java.io.Serializable;
+import java.util.List;
 import java.util.Optional;
 import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.function.Predicate;
 
 import static ftbsc.bscv.Boscovicino.log;
 
-public abstract class Setting<T> {
+public abstract class Setting<T, I> {
 
 	protected Optional<String> name;
 	protected Optional<String> comment;
 	protected Optional<T> fallback;
-	protected Optional<Consumer<T>> callback;
-
+	protected Optional<Consumer<I>> callback;
 
 	Setting() {
 		this.name = Optional.empty();
@@ -26,68 +31,75 @@ public abstract class Setting<T> {
 		this.callback = Optional.empty();
 	}
 
-	public Setting<T> name(String name) {
+	public Setting<T, I> name(String name) {
 		this.name = Optional.of(name);
 		return this;
 	}
 
-	public Setting<T> comment(String comment) {
+	public Setting<T, I> comment(String comment) {
 		this.comment = Optional.of(comment);
 		return this;
 	}
 
-	public Setting<T> fallback(T fallback) {
+	public Setting<T, I> fallback(T fallback) {
 		this.fallback = Optional.of(fallback);
 		return this;
 	}
 
-	public Setting<T> callback(Consumer<T> callback) {
+	public Setting<T, I> callback(Consumer<I> callback) {
 		this.callback = Optional.of(callback);
 		return this;
 	}
 
 	abstract ForgeConfigSpec.ConfigValue<T> value(ForgeConfigSpec.Builder builder);
 
-	abstract ArgumentType<T> argument();
+	abstract ArgumentType<I> argument();
+
+	public abstract ForgeConfigSpec.ConfigValue<T> build(IModule module);
+
 
-	abstract Class<T> clazz();
 
-	public ForgeConfigSpec.ConfigValue<T> build(IModule module) {
-		ForgeConfigSpec.ConfigValue<T> conf = this.value(module.getConfigBuilder());
+	private static abstract class ValueSetting<T> extends Setting<T, T> {
+		
+		abstract Class<T> clazz();
 
-		String optName = this.name.get();
-		Class<T> clazz = this.clazz();
-		ArgumentType<T> arg = this.argument();
-		Consumer<T> cb = this.callback.isPresent() ? this.callback.get() : null;
+		public ForgeConfigSpec.ConfigValue<T> build(IModule module) {
+			ForgeConfigSpec.ConfigValue<T> conf = this.value(module.getConfigBuilder());
 
-		module.getDispatcher().register(
-			Commands.literal(module.getName().toLowerCase())
-				.then(
-					Commands.literal(optName)
+			String optName = this.name.get();
+			Class<T> clazz = this.clazz();
+			ArgumentType<T> arg = this.argument();
+			Consumer<T> cb = this.callback.isPresent() ? this.callback.get() : null;
+
+			module.getDispatcher().register(
+				Commands.literal(module.getName().toLowerCase())
 					.then(
-						Commands.argument(optName, arg)
-							.executes( ctx -> {
-								T value = ctx.getArgument(optName, clazz);
-								if (cb != null) {
-									cb.accept(value);
-								}
-								conf.set(value);
-								conf.save();
-								log(String.format("> %s -> %s <", String.join(".", conf.getPath()), conf.get().toString()));
-								return 1;
-							}))
-					.executes(ctx -> {
-						log(String.format("> %s: %s <", optName, conf.get().toString()));
-						return 1;
-					})
-				)
-		);
-
-		return conf;
+						Commands.literal(optName)
+						.then(
+							Commands.argument(optName, arg)
+								.executes( ctx -> {
+									T value = ctx.getArgument(optName, clazz);
+									if (cb != null) {
+										cb.accept(value);
+									}
+									conf.set(value);
+									conf.save();
+									log(String.format("> %s -> %s <", String.join(".", conf.getPath()), conf.get().toString()));
+									return 1;
+								}))
+						.executes(ctx -> {
+							log(String.format("> %s: %s <", optName, conf.get().toString()));
+							return 1;
+						})
+					)
+			);
+
+			return conf;
+		}
 
 	}
 
-	public static class Bool extends Setting<Boolean> {
+	public static class Bool extends ValueSetting<Boolean> {
 		public static Bool builder() { return new Bool(); }
 
 		public Class<Boolean> clazz() { return Boolean.class; }
@@ -101,7 +113,7 @@ public abstract class Setting<T> {
 	}
 
 
-	public static class Decimal extends Setting<Double> {
+	public static class Decimal extends ValueSetting<Double> {
 		protected Optional<Double> min;
 		protected Optional<Double> max;
 
@@ -133,7 +145,7 @@ public abstract class Setting<T> {
 	}
 
 
-	public static class Number extends Setting<Integer> {
+	public static class Number extends ValueSetting<Integer> {
 		protected Optional<Integer> min;
 		protected Optional<Integer> max;
 
@@ -165,7 +177,7 @@ public abstract class Setting<T> {
 	}
 
 
-	public static class Str extends Setting<String> {
+	public static class Str extends ValueSetting<String> {
 		public static Str builder() { return new Str(); }
 
 		protected boolean greedy = false;
@@ -190,7 +202,7 @@ public abstract class Setting<T> {
 	}
 
 
-	public static class Switch<T extends Enum<T>> extends Setting<T> {
+	public static class Switch<T extends Enum<T>> extends ValueSetting<T> {
 		private final Class<T> enumClazz;
 
 		public static<T extends Enum<T>> Switch<T> builder(Class<T> type) { return new Switch<T>(type); }
@@ -214,4 +226,102 @@ public abstract class Setting<T> {
 		}
 	}
 
+	public static class Many<T, S extends Serializable> extends Setting<List<? extends S>, T> {
+		private Predicate<Object> validator;
+		private Function<T, S> writer;
+		private final ArgumentType<T> argument_type;
+		private final Class<T> clazz;
+
+		// TODO can we infer clazz from the argument type without needing the second argument???
+		public Many(ArgumentType<T> argument, Class<T> clazz) {
+			super();
+			this.validator = x -> true;
+			this.writer = x -> (S) x; // TODO this works ootb if it's just the same type but crashes at runtime for everything else
+			this.argument_type = argument;
+			this.clazz = clazz;
+		}
+
+		public static<T, S extends Serializable> Many<T, S> builder(ArgumentType<T> argument, Class<T> clazz) { return new Many<T, S>(argument, clazz); }
+
+		public Many<T, S> validator(Predicate<Object> validator) {
+			this.validator = validator;
+			return this;
+		}
+
+		public Many<T, S> writer(Function<T, S> writer) {
+			this.writer = writer;
+			return this;
+		}
+
+		public ArgumentType<T> argument() {
+			return this.argument_type;
+		}
+
+		public ForgeConfigSpec.ConfigValue<List<? extends S>> value(ForgeConfigSpec.Builder builder) {
+			return builder
+				.comment(this.comment.get())
+				.defineList(
+					this.name.get(),
+					this.fallback.get(),
+					this.validator
+				);
+		}
+
+		public ForgeConfigSpec.ConfigValue<List<? extends S>> build(IModule module) {
+			ForgeConfigSpec.ConfigValue<List<? extends S>> conf = this.value(module.getConfigBuilder());
+
+			String optName = this.name.get();
+			ArgumentType<T> arg = this.argument();
+			Consumer<T> cb = this.callback.isPresent() ? this.callback.get() : null;
+
+			module.getDispatcher().register(
+				Commands.literal(module.getName().toLowerCase())
+					.then(
+						Commands.literal(optName)
+						.then(
+							Commands.literal("add")
+							.then(
+								Commands.argument(optName, arg)
+									.executes( ctx -> {
+										T value = ctx.getArgument(optName, this.clazz);
+										if (cb != null) {
+											cb.accept(value);
+										}
+										List<S> botch = Lists.newArrayList(conf.get());
+										botch.add(this.writer.apply(value));
+										conf.set(botch);
+										conf.save();
+										log(String.format("> %s -++> %s <", String.join(".", conf.getPath()), conf.get().toString()));
+										return 1;
+									})
+							)
+						)
+						.then(
+							Commands.literal("remove")
+								.then(
+									Commands.argument(optName, arg)
+										.executes( ctx -> {
+											T value = ctx.getArgument(optName, clazz);
+											if (cb != null) {
+												cb.accept(value);
+											}
+											List<S> botch = Lists.newArrayList(conf.get());
+											boolean removed = botch.remove(this.writer.apply(value));
+											conf.set(botch);
+											conf.save();
+											log(String.format("> %s -%s> %s <", String.join(".", conf.getPath()), removed ? "//" : "--", conf.get().toString()));
+											return 1;
+										})
+								)
+						)
+						.executes(ctx -> {
+							log(String.format("> %s: %s <", optName, conf.get().toString()));
+							return 1;
+						})
+					)
+			);
+
+			return conf;
+		}
+	}
 }
diff --git a/src/main/resources/META-INF/accesstransformer.cfg b/src/main/resources/META-INF/accesstransformer.cfg
index 5be5b4b..9e08035 100644
--- a/src/main/resources/META-INF/accesstransformer.cfg
+++ b/src/main/resources/META-INF/accesstransformer.cfg
@@ -5,3 +5,7 @@ public net.minecraft.network.play.client.CPlayerPacket field_149474_g # onGround
 public net.minecraft.network.play.client.CPlayerPacket field_149477_b # y
 public net.minecraft.client.multiplayer.PlayerController func_78750_j()V # ensureHasSentCarriedItem()
 public net.minecraft.client.Minecraft field_71467_ac # rightClickDelay
+public net.minecraft.client.renderer.FirstPersonRenderer field_187469_f # mainHandHeight
+public net.minecraft.client.renderer.FirstPersonRenderer field_187470_g # oMainHandHeight
+public net.minecraft.client.renderer.FirstPersonRenderer field_187471_h # offHandHeight
+public net.minecraft.client.renderer.FirstPersonRenderer field_187472_i # oOffHandHeight