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IceTankIceTank
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AutoSign module (#236)
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4 files changed

+129
-4
lines changed

4 files changed

+129
-4
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‎src/main/java/com/lambda/mixin/entity/ClientPlayerEntityMixin.java‎

Lines changed: 9 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -18,10 +18,7 @@
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package com.lambda.mixin.entity;
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import com.lambda.event.EventFlow;
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import com.lambda.event.events.MovementEvent;
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import com.lambda.event.events.PlayerEvent;
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import com.lambda.event.events.PlayerPacketEvent;
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import com.lambda.event.events.TickEvent;
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import com.lambda.event.events.*;
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import com.lambda.interaction.managers.rotating.RotationManager;
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import com.lambda.module.modules.movement.ElytraFly;
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import com.lambda.module.modules.movement.NoJumpCooldown;
@@ -35,6 +32,7 @@
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import com.llamalad7.mixinextras.sugar.Share;
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import com.llamalad7.mixinextras.sugar.ref.LocalRef;
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import com.mojang.authlib.GameProfile;
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import net.minecraft.block.entity.SignBlockEntity;
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import net.minecraft.client.gui.screen.Screen;
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import net.minecraft.client.input.Input;
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import net.minecraft.client.network.AbstractClientPlayerEntity;
@@ -78,6 +76,13 @@ private void injectTick(CallbackInfo ci, @Share(namespace = "shared_rotations",
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}
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}
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@Inject(method = "openEditSignScreen", at = @At("HEAD"), cancellable = true)
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private void onOpenEditSignScreen(SignBlockEntity sign, boolean front, CallbackInfo ci) {
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if (EventFlow.post(new GuiEvent.SignEditorOpen(sign, front)).isCanceled()) {
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ci.cancel();
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}
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}
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@WrapOperation(method = "move", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/network/AbstractClientPlayerEntity;move(Lnet/minecraft/entity/MovementType;Lnet/minecraft/util/math/Vec3d;)V"))
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private void wrapMove(ClientPlayerEntity instance, MovementType movementType, Vec3d vec3d, Operation<Void> original) {
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EventFlow.post(new MovementEvent.Player.Pre(movementType, vec3d));

‎src/main/kotlin/com/lambda/event/events/GuiEvent.kt‎

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Original file line numberDiff line numberDiff line change
@@ -18,6 +18,9 @@
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package com.lambda.event.events
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import com.lambda.event.Event
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import com.lambda.event.callback.Cancellable
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import com.lambda.event.callback.ICancellable
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import net.minecraft.block.entity.SignBlockEntity
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sealed class GuiEvent {
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/**
@@ -33,4 +36,12 @@ sealed class GuiEvent {
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* By default, the game's framebuffer is bound.
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*/
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data object EndFrame : Event
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/**
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* Triggered when the sign editor GUI is opened. Can be canceled.
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*/
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data class SignEditorOpen(
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var sign: SignBlockEntity,
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var front: Boolean
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) : ICancellable by Cancellable()
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}

‎src/main/kotlin/com/lambda/module/modules/player/AutoSign.kt‎

Lines changed: 108 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,108 @@
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/*
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* Copyright 2026 Lambda
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.lambda.module.modules.player
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import com.ibm.icu.util.Calendar
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import com.lambda.event.events.GuiEvent
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import com.lambda.event.listener.SafeListener.Companion.listen
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import com.lambda.module.Module
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import com.lambda.module.tag.ModuleTag
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import com.lambda.threading.runConcurrent
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import com.lambda.threading.runSafeGameScheduled
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import kotlinx.coroutines.delay
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import net.minecraft.block.entity.HangingSignBlockEntity
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import net.minecraft.client.gui.screen.ingame.AbstractSignEditScreen
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import net.minecraft.client.gui.screen.ingame.HangingSignEditScreen
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import net.minecraft.client.gui.screen.ingame.SignEditScreen
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import net.minecraft.network.packet.c2s.play.UpdateSignC2SPacket
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import java.util.*
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@Suppress("unused")
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class AutoSign : Module(
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name = "AutoSign",
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description = """Auto fills signs with customizable text. Leave lines empty to skip them. Supports data formatting with:
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|<d> - Day of month (1-31)
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|<dd> - Day of month (01-31)
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|<M> - Month (1-12)
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|<MM> - Month (01-12)
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|<MMM> - Month (short name, e.g., Jan)
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|<MMMM> - Month (full name, e.g., January)
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|<yy> - Year (last two digits, e.g., 26)
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|<yyyy> - Year (e.g., 2026)
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|<HH> - Hour (00-23)
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|<mm> - Minute (00-59)
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|<ss> - Second (00-59)
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""".trimMargin(),
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tag = ModuleTag.PLAYER
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) {
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var autoWrite by setting("Auto Write", true)
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var line1 by setting("Line 1", "Welcome to Lambda!") { autoWrite }
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var line2 by setting("Line 2", "Enjoy your stay.") { autoWrite }
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var line3 by setting("Line 3", "Have fun!") { autoWrite }
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var line4 by setting("Line 4", "Lambda <dd>/<M>/<yy>") { autoWrite }
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var writeOnFront by setting("Write Front", true, description = "Write on front side of the sign") { autoWrite }
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var autoClose by setting("Auto Close", true)
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var signWriteDelay by setting("Sign Write Delay", 400L, 100L..1000L, 50L, description = "Delay in milliseconds before sending the sign text to the server") { autoClose }
62+
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init {
64+
listen<GuiEvent.SignEditorOpen> { event ->
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val lines = Array(4) { i -> event.component1().frontText.getMessages(false)[i].string }
66+
if (autoWrite) {
67+
var formatLines = arrayOf(line1, line2, line3, line4)
68+
val calendar = Calendar.getInstance()
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val month = calendar.get(Calendar.MONTH) + 1 // Months are 0-based in Calendar
70+
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for (i in 0 until 4) {
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val formattedLine = formatLines[i]
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.replace("<dd>", String.format($$"%1$td", Date()))
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.replace("<d>", String.format($$"%1$te", Date()))
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.replace("<M>", month.toString())
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.replace("<MM>", String.format("%02d", month))
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.replace("<MMM>", String.format($$"%1$tb", Date()))
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.replace("<MMMM>", String.format($$"%1$tB", Date()))
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.replace("<yy>", String.format($$"%1$ty", Date()))
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.replace("<yyyy>", String.format($$"%1$tY", Date()))
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.replace("<HH>", String.format($$"%1$tH", Date()))
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.replace("<mm>", String.format($$"%1$tM", Date()))
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.replace("<ss>", String.format($$"%1$tS", Date()))
84+
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if (formattedLine.isNotEmpty()) lines[i] = String.format(formattedLine, Date())
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}
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}
88+
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var editor: AbstractSignEditScreen = if (event.sign is HangingSignBlockEntity) HangingSignEditScreen(event.sign, event.front, mc.shouldFilterText())
90+
else SignEditScreen(event.sign, event.front, mc.shouldFilterText())
91+
for (i in 0 until 4) editor.messages[i] = lines[i]
92+
if (autoClose) {
93+
val pos = event.sign.pos
94+
val messages = editor.messages.copyOf()
95+
runConcurrent {
96+
delay(signWriteDelay)
97+
runSafeGameScheduled {
98+
if (writeOnFront) connection.sendPacket(UpdateSignC2SPacket(pos, true, messages[0], messages[1], messages[2], messages[3]))
99+
else connection.sendPacket(UpdateSignC2SPacket(pos, false, messages[0], messages[1], messages[2], messages[3]))
100+
}
101+
}
102+
} else {
103+
mc.setScreen(editor)
104+
}
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event.cancel()
106+
}
107+
}
108+
}

‎src/main/resources/lambda.accesswidener‎

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Original file line numberDiff line numberDiff line change
@@ -154,3 +154,4 @@ transitive-accessible method net/minecraft/item/BlockItem getPlacementState (Lne
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transitive-accessible method net/minecraft/block/AbstractBlock getPickStack (Lnet/minecraft/world/WorldView;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;Z)Lnet/minecraft/item/ItemStack;
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transitive-accessible field net/minecraft/client/gui/screen/ingame/HandledScreen focusedSlot Lnet/minecraft/screen/slot/Slot;
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transitive-accessible field net/minecraft/registry/SimpleRegistry frozen Z
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transitive-accessible field net/minecraft/client/gui/screen/ingame/AbstractSignEditScreen messages [Ljava/lang/String;

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