From 6d8839d5ab12d68a25b467438279907c387e04f5 Mon Sep 17 00:00:00 2001
From: pietru <jabartek2004.bob@gmail.com>
Date: Thu, 10 Oct 2024 13:45:56 +0200
Subject: [PATCH] add region and area basics

---
 .../net/pietru/cookie_utils/api/Area.java     | 20 +++++++++++
 .../net/pietru/cookie_utils/api/Region.java   | 26 ++++++++++++++
 .../cookie_utils/mixins/BlockBreakMixin.java  |  4 ++-
 .../cookie_utils/mixins/BlockPlaceMixin.java  | 36 +++++++++++++++++++
 src/main/resources/cookie_utils.mixins.json   |  3 +-
 5 files changed, 87 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/net/pietru/cookie_utils/api/Area.java
 create mode 100644 src/main/java/net/pietru/cookie_utils/api/Region.java
 create mode 100644 src/main/java/net/pietru/cookie_utils/mixins/BlockPlaceMixin.java

diff --git a/src/main/java/net/pietru/cookie_utils/api/Area.java b/src/main/java/net/pietru/cookie_utils/api/Area.java
new file mode 100644
index 0000000..9e98759
--- /dev/null
+++ b/src/main/java/net/pietru/cookie_utils/api/Area.java
@@ -0,0 +1,20 @@
+package net.pietru.cookie_utils.api;
+
+import com.badlogic.gdx.math.Vector3;
+import com.badlogic.gdx.math.collision.BoundingBox;
+
+public class Area {
+    BoundingBox space = new BoundingBox();
+
+    public BoundingBox getBox() {
+        return space;
+    }
+
+    public void setCorners(Vector3 a, Vector3 b){
+        space.set(a,b);
+    }
+
+    public boolean does_intersect(Vector3 c){
+        return space.contains(c);
+    }
+}
diff --git a/src/main/java/net/pietru/cookie_utils/api/Region.java b/src/main/java/net/pietru/cookie_utils/api/Region.java
new file mode 100644
index 0000000..b7bd39f
--- /dev/null
+++ b/src/main/java/net/pietru/cookie_utils/api/Region.java
@@ -0,0 +1,26 @@
+package net.pietru.cookie_utils.api;
+
+import com.badlogic.gdx.math.Vector3;
+import com.badlogic.gdx.utils.Array;
+import finalforeach.cosmicreach.blocks.BlockPosition;
+import finalforeach.cosmicreach.world.Zone;
+
+public class Region {
+
+    public static Array<Area> areas = new Array<>();
+
+    public static boolean can_edit_block(BlockPosition position){
+        Zone z = position.getZone();
+        Vector3 g_position = new Vector3(position.getGlobalX(),position.getGlobalY(),position.getGlobalZ());
+        boolean can = true;
+
+        for (Area a : areas){
+            if (a.does_intersect(g_position)){
+                can=false;
+                break;
+            }
+        }
+
+        return can;
+    }
+}
diff --git a/src/main/java/net/pietru/cookie_utils/mixins/BlockBreakMixin.java b/src/main/java/net/pietru/cookie_utils/mixins/BlockBreakMixin.java
index 0e26b89..ba34513 100644
--- a/src/main/java/net/pietru/cookie_utils/mixins/BlockBreakMixin.java
+++ b/src/main/java/net/pietru/cookie_utils/mixins/BlockBreakMixin.java
@@ -14,6 +14,8 @@ import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
+import static net.pietru.cookie_utils.api.Region.can_edit_block;
+
 @Mixin(BreakBlockPacket.class)
 public class BlockBreakMixin {
     @Shadow
@@ -26,7 +28,7 @@ public class BlockBreakMixin {
     @Inject(method = "handle", at = @At("HEAD"), cancellable = true)
     private void event_block_break(@Local NetworkIdentity identity, @Local ChannelHandlerContext ctx, CallbackInfo ci){
         if (identity.getSide() != NetworkSide.CLIENT) {
-            if (this.blockPos.getBlockState() == this.brokenBlockState) {
+            if (!can_edit_block(blockPos)) {
                 ci.cancel();
             }
         }
diff --git a/src/main/java/net/pietru/cookie_utils/mixins/BlockPlaceMixin.java b/src/main/java/net/pietru/cookie_utils/mixins/BlockPlaceMixin.java
new file mode 100644
index 0000000..fd3b7e2
--- /dev/null
+++ b/src/main/java/net/pietru/cookie_utils/mixins/BlockPlaceMixin.java
@@ -0,0 +1,36 @@
+package net.pietru.cookie_utils.mixins;
+
+import com.llamalad7.mixinextras.sugar.Local;
+import finalforeach.cosmicreach.blocks.BlockPosition;
+import finalforeach.cosmicreach.blocks.BlockState;
+import finalforeach.cosmicreach.networking.common.NetworkIdentity;
+import finalforeach.cosmicreach.networking.common.NetworkSide;
+import finalforeach.cosmicreach.networking.netty.packets.blocks.PlaceBlockPacket;
+import finalforeach.cosmicreach.world.Zone;
+import io.netty.channel.ChannelHandlerContext;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import static net.pietru.cookie_utils.api.Region.can_edit_block;
+
+@Mixin(PlaceBlockPacket.class)
+public class BlockPlaceMixin {
+    @Shadow
+    Zone zone;
+    @Shadow
+    BlockPosition blockPos;
+    @Shadow
+    BlockState targetBlockState;
+
+    @Inject(method = "handle", at = @At("HEAD"), cancellable = true)
+    private void event_block_place(@Local NetworkIdentity identity, @Local ChannelHandlerContext ctx, CallbackInfo ci){
+        if (identity.getSide() != NetworkSide.CLIENT) {
+            if (!can_edit_block(blockPos)) {
+                ci.cancel();
+            }
+        }
+    }
+}
diff --git a/src/main/resources/cookie_utils.mixins.json b/src/main/resources/cookie_utils.mixins.json
index 797b910..53a608b 100644
--- a/src/main/resources/cookie_utils.mixins.json
+++ b/src/main/resources/cookie_utils.mixins.json
@@ -4,7 +4,8 @@
   "package": "net.pietru.cookie_utils.mixins",
   "compatibilityLevel": "JAVA_17",
   "mixins": [
-    "BlockBreakMixin"
+    "BlockBreakMixin",
+    "BlockPlaceMixin"
   ],
   "client": [],
   "injectors": {