From 69dc83ba029dc725a490060f8289d99dac68ed95 Mon Sep 17 00:00:00 2001
From: MelanX <info@melanx.de>
Date: Sat, 30 Mar 2024 15:20:15 +0100
Subject: [PATCH] add feature to move outline of structure saver by using
 numpad arrows

---
 .../skyblockbuilder/SkyblockBuilder.java      |  5 ++
 .../client/ClientEventListener.java           | 58 +++++++++++++++++++
 2 files changed, 63 insertions(+)

diff --git a/src/main/java/de/melanx/skyblockbuilder/SkyblockBuilder.java b/src/main/java/de/melanx/skyblockbuilder/SkyblockBuilder.java
index 7f3a059a..461f627a 100644
--- a/src/main/java/de/melanx/skyblockbuilder/SkyblockBuilder.java
+++ b/src/main/java/de/melanx/skyblockbuilder/SkyblockBuilder.java
@@ -2,6 +2,7 @@
 
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import de.melanx.skyblockbuilder.client.ClientEventListener;
 import de.melanx.skyblockbuilder.compat.minemention.MineMentionCompat;
 import de.melanx.skyblockbuilder.config.common.PermissionsConfig;
 import de.melanx.skyblockbuilder.datagen.BlockStatesProvider;
@@ -12,7 +13,9 @@
 import de.melanx.skyblockbuilder.template.TemplateLoader;
 import de.melanx.skyblockbuilder.util.SkyPaths;
 import net.minecraft.Util;
+import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.fml.DistExecutor;
 import net.minecraftforge.fml.ModList;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent;
@@ -42,6 +45,8 @@ public SkyblockBuilder() {
         this.network = new SkyNetwork();
         this.logger = LoggerFactory.getLogger(SkyblockBuilder.class);
 
+        DistExecutor.unsafeRunWhenOn(Dist.CLIENT, () -> ClientEventListener::new);
+
         SkyPaths.createDirectories();
         MinecraftForge.EVENT_BUS.register(new SpawnProtectionEvents());
 
diff --git a/src/main/java/de/melanx/skyblockbuilder/client/ClientEventListener.java b/src/main/java/de/melanx/skyblockbuilder/client/ClientEventListener.java
index e1f55e8c..0431f0f6 100644
--- a/src/main/java/de/melanx/skyblockbuilder/client/ClientEventListener.java
+++ b/src/main/java/de/melanx/skyblockbuilder/client/ClientEventListener.java
@@ -1,18 +1,33 @@
 package de.melanx.skyblockbuilder.client;
 
+import com.mojang.blaze3d.platform.InputConstants;
 import de.melanx.skyblockbuilder.ModBlocks;
 import de.melanx.skyblockbuilder.ModItems;
 import de.melanx.skyblockbuilder.Registration;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.player.LocalPlayer;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.NbtUtils;
 import net.minecraft.world.item.CreativeModeTabs;
+import net.minecraft.world.item.ItemStack;
 import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.client.event.InputEvent;
 import net.minecraftforge.client.event.RegisterPresetEditorsEvent;
+import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.event.BuildCreativeModeTabContentsEvent;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
 import net.minecraftforge.fml.common.Mod;
+import org.lwjgl.glfw.GLFW;
 
 @Mod.EventBusSubscriber(modid = "skyblockbuilder", value = Dist.CLIENT, bus = Mod.EventBusSubscriber.Bus.MOD)
 public class ClientEventListener {
 
+    public ClientEventListener() {
+        MinecraftForge.EVENT_BUS.addListener(this::onKeyInput);
+    }
+
     @SubscribeEvent
     public static void onRegisterPresetEditors(RegisterPresetEditorsEvent event) {
         event.register(Registration.skyblockKey, ScreenCustomizeSkyblock::new);
@@ -25,4 +40,47 @@ public static void buildCreativeTabs(BuildCreativeModeTabContentsEvent event) {
             event.accept(() -> ModBlocks.spawnBlock);
         }
     }
+
+    private void onKeyInput(InputEvent.Key event) {
+        if (event.getAction() != InputConstants.PRESS) {
+            return;
+        }
+
+        LocalPlayer player = Minecraft.getInstance().player;
+        if (player == null) {
+            return;
+        }
+
+        ItemStack stack = player.getMainHandItem();
+        if (!stack.is(ModItems.structureSaver)) {
+            return;
+        }
+
+        CompoundTag tag = stack.getOrCreateTag();
+        if (!tag.contains("Position1") || !tag.contains("Position2")) {
+            return;
+        }
+
+        Direction direction = switch (event.getKey()) {
+            case GLFW.GLFW_KEY_KP_8 -> player.getDirection();
+            case GLFW.GLFW_KEY_KP_2 -> player.getDirection().getOpposite();
+            case GLFW.GLFW_KEY_KP_4 -> player.getDirection().getCounterClockWise();
+            case GLFW.GLFW_KEY_KP_6 -> player.getDirection().getClockWise();
+            case GLFW.GLFW_KEY_KP_9 -> Direction.UP;
+            case GLFW.GLFW_KEY_KP_3 -> Direction.DOWN;
+            default -> null;
+        };
+
+        if (direction == null) {
+            return;
+        }
+
+        BlockPos pos1 = NbtUtils.readBlockPos(tag.getCompound("Position1"));
+        BlockPos pos2 = NbtUtils.readBlockPos(tag.getCompound("Position2"));
+
+        tag.put("Position1", NbtUtils.writeBlockPos(pos1.relative(direction)));
+        tag.put("Position2", NbtUtils.writeBlockPos(pos2.relative(direction)));
+
+        stack.setTag(tag);
+    }
 }