add deleting block entities

examples/deleteBlockEntity.php

@@ -0,0 +1,114 @@
+<?php
+
+require_once __DIR__ . "/../vendor/autoload.php";
+
+use Aternos\Hawk\File;
+use Aternos\Hawk\Hawk;
+use Aternos\Hawk\McCoordinatesFloat;
+use Aternos\Hawk\Region;
+
+
+if (!isset($argc)) {
+    echo "argc and argv disabled. check php.ini " . PHP_EOL;
+    return;
+}
+
+$yes = ["Y", "y", false];
+$no = ["N", "n"];
+
+switch ($argc) {
+    case 1:
+    case 2:
+    case 3:
+        echo "too few params given. 
+        \targument 1: path of world folder " . PHP_EOL . "
+        \targument 2: name of block entity e.g. 'minecraft:chest' " . PHP_EOL . "
+        \targument 3: block entity coordinates(x,y,z) " . PHP_EOL;
+        return;
+
+    case 4:
+        if (!file_exists($argv[1])) {
+            echo "directory does not exist. " . PHP_EOL;
+            return;
+        }
+        break;
+
+    default:
+        echo "too many params given. choose: " . PHP_EOL . "
+        \targument 1: path of world folder " . PHP_EOL . "
+        \targument 2: name of block entity e.g. 'minecraft:chest' " . PHP_EOL . "
+        \targument 3: block entity coordinates(x,y,z) " . PHP_EOL;
+        return;
+}
+
+$inputPath = $argv[1];
+$entityName = $argv[2];
+$coordinates = explode(",", $argv[3]);
+if (count($coordinates) !== 3) {
+    echo "Wrong coordinates " . PHP_EOL;
+    return;
+}
+$entityPos = new McCoordinatesFloat($coordinates[0], $coordinates[1], $coordinates[2]);
+
+$fileName = Region::getRegionFileNameFromBlock(McCoordinatesFloat::get3DCoordinates($entityPos));
+$blockPath = $inputPath . "/region/" . $fileName;
+
+$blockFiles = (file_exists($blockPath)) ? [new File($blockPath)] : [];
+
+$hawk = new Hawk(blockFiles: $blockFiles);
+$entities = $hawk->getBlockEntities($entityName, $entityPos);
+switch (count($entities)) {
+    case 0:
+        throw new Exception("How did you get here?");
+    case 1:
+        $hawk->deleteBlockEntity($entities[0]);
+        echo "1 entity deleted " . PHP_EOL;
+        save();
+        return;
+    default:
+        $count = count($entities);
+        foreach ($entities as $index => $entity) {
+            echo $index . ": " . $entity->getName() . " at " . $entity->getCoordinates() . " " . PHP_EOL;
+        }
+        echo $count . ": delete all " . PHP_EOL;
+        $answer = "";
+        while (true) {
+            $answer = readline("Choose which entity will be deleted. -1 will cancel. " . PHP_EOL);
+            if (!is_numeric($answer) || intval($answer) > $count) {
+                echo "Wrong input try again. " . PHP_EOL;
+                continue;
+            }
+            switch (intval($answer)) {
+                case -1:
+                    echo "Exiting... " . PHP_EOL;
+                    closeFiles();
+                    return;
+                case $count:
+                    foreach ($entities as $entity) {
+                        $hawk->deleteBlockEntity($entity);
+                    }
+                    save();
+                    return;
+                default:
+                    $hawk->deleteBlockEntity($entities[intval($answer)]);
+                    save();
+                    return;
+            }
+
+        }
+}
+
+function save(): void
+{
+    global $hawk;
+    $hawk->save();
+    closeFiles();
+}
+
+function closeFiles(): void
+{
+    global $blockFiles;
+    foreach ($blockFiles as $file) {
+        $file->close();
+    }
+}

examples/getAllBlockEntitiesInChunk.php

@@ -0,0 +1,66 @@
+<?php
+
+require_once __DIR__ . "/../vendor/autoload.php";
+
+use Aternos\Hawk\Chunk;
+use Aternos\Hawk\File;
+use Aternos\Hawk\Hawk;
+use Aternos\Hawk\McCoordinates3D;
+use Aternos\Hawk\Region;
+
+
+if (!isset($argc)) {
+    echo "argc and argv disabled. check php.ini " . PHP_EOL;
+    return;
+}
+
+$yes = ["Y", "y", false];
+$no = ["N", "n"];
+
+switch ($argc) {
+    case 1:
+    case 2:
+        echo "too few params given. 
+        \targument 1: path of world folder " . PHP_EOL . "
+        \targument 2: block coordinates(x,y,z) " . PHP_EOL;
+        return;
+
+    case 3:
+        if (!file_exists($argv[1])) {
+            echo "$argv[1] does not exist. " . PHP_EOL;
+            return;
+        }
+        break;
+
+    default:
+        echo "too many params given. choose: " . PHP_EOL . "
+        \targument 1: path of word folder " . PHP_EOL . "
+        \targument 2: block coordinates(x,y,z) " . PHP_EOL;
+        return;
+}
+
+$inputPath = $argv[1];
+$coordinates = explode(",", $argv[2]);
+if(count($coordinates) !== 3){
+    echo "Wrong coordinates " . PHP_EOL;
+    return;
+}
+$blockPos = new McCoordinates3D($coordinates[0], $coordinates[1], $coordinates[2]);
+
+$fileName = Region::getRegionFileNameFromBlock($blockPos);
+$blockPath = $inputPath . "/region/" . $fileName;
+
+$blockFiles = (file_exists($blockPath)) ? [new File($blockPath)] : [];
+
+$hawk = new Hawk(blockFiles: $blockFiles);
+$entities = $hawk->getAllBlockEntitiesFromChunk($blockPos);
+foreach ($entities as $entity){
+    echo $entity . " " . PHP_EOL;
+}
+echo count($entities) . " entities in chunk " . Chunk::getChunkCoordinatesFromBlock($blockPos) . " " . PHP_EOL;
+
+// Close files
+
+foreach ($blockFiles as $file){
+    $file->close();
+}

examples/getBlockEntity.php

@@ -0,0 +1,76 @@
+<?php
+
+require_once __DIR__ . "/../vendor/autoload.php";
+
+use Aternos\Hawk\File;
+use Aternos\Hawk\Hawk;
+use Aternos\Hawk\McCoordinatesFloat;
+use Aternos\Hawk\Region;
+
+
+if (!isset($argc)) {
+    echo "argc and argv disabled. check php.ini " . PHP_EOL;
+    return;
+}
+
+$yes = ["Y", "y", false];
+$no = ["N", "n"];
+
+switch ($argc) {
+    case 1:
+    case 2:
+    case 3:
+        echo "too few params given. 
+        \targument 1: path of world folder " . PHP_EOL . "
+        \targument 2: name of block entity e.g. 'minecraft:chest' " . PHP_EOL . "
+        \targument 3: block entity coordinates(x,y,z) " . PHP_EOL;
+        return;
+
+    case 4:
+        if (!file_exists($argv[1])) {
+            echo "directory does not exist. " . PHP_EOL;
+            return;
+        }
+        break;
+
+    default:
+        echo "too many params given. 
+        \targument 1: path of world folder " . PHP_EOL . "
+        \targument 2: name of block entity e.g. 'minecraft:chest' " . PHP_EOL . "
+        \targument 3: block entity coordinates(x,y,z) " . PHP_EOL;
+        return;
+}
+
+$inputPath = $argv[1];
+$entityName = $argv[2];
+$coordinates = explode(",", $argv[3]);
+if(count($coordinates) !== 3){
+    echo "Wrong coordinates " . PHP_EOL;
+    return;
+}
+$entityPos = new McCoordinatesFloat($coordinates[0], $coordinates[1], $coordinates[2]);
+
+$fileName = Region::getRegionFileNameFromBlock(McCoordinatesFloat::get3DCoordinates($entityPos));
+$blockPath = $inputPath . "/region/" . $fileName;
+
+$blockFiles = (file_exists($blockPath)) ? [new File($blockPath)] : [];
+
+$hawk = new Hawk(blockFiles: $blockFiles);
+$entities = $hawk->getBlockEntities($entityName,$entityPos);
+
+foreach ($entities as $index => $entity) {
+    echo $index . ": " . $entity->getName() . " at " . $entity->getCoordinates() . " " . PHP_EOL;
+}
+
+$count = count($entities);
+$message = " entity found " . PHP_EOL;
+if($count !== 1){
+    $message = " entities found " . PHP_EOL;
+}
+echo $count . $message;
+
+// Close files
+
+foreach ($blockFiles as $file){
+    $file->close();
+}

src/BlockChunk.php

@@ -58,7 +58,7 @@ public function loadSections(): void
         if ($sectionsTag !== null) {
             foreach ($sectionsTag as $sectionTag) {
                 $section = $this->newSectionFromTag($sectionTag, $this->coordinates, $this->version);
-                if($section !== null){
+                if ($section !== null) {
                     $this->sections[] = $section;
                 }
             }
@@ -135,19 +135,20 @@ public function replaceBlock(McCoordinates3D $coordinates, string $blockName = "
             $section = $this->addEmptySection($coordinates);
         }
         $section->replaceBlock($coordinates, $blockName);
-        $this->deleteBlockEntity($coordinates);
+        $blockEntities = $this->getBlockEntities($blockName, $coordinates);
+        foreach ($blockEntities as $blockEntity) {
+            $this->deleteBlockEntity($blockEntity);
+        }
     }
 
     /**
-     * Deletes block entity
-     *
-     * @param McCoordinates3D $coordinates
+     * @param BlockEntity $entity
      * @return void
      */
-    public function deleteBlockEntity(McCoordinates3D $coordinates): void
+    public function deleteBlockEntity(BlockEntity $entity): void
     {
         foreach ($this->blockEntities as $index => $blockEntity) {
-            if ($coordinates->equals($blockEntity->getCoordinates())) {
+            if ($blockEntity === $entity) {
                 unset($this->blockEntities[$index]);
                 return;
             }
@@ -187,7 +188,19 @@ public function replaceTags(): void
     /**
      * @return BlockEntity[]
      */
-    public function getBlockEntities(): array
+    public function getBlockEntities(string $name, McCoordinates $coordinates): array
+    {
+        $blockEntities = [];
+        foreach ($this->blockEntities as $blockEntity) {
+            $pos = $blockEntity->getCoordinates()->equals($coordinates);
+            if ($blockEntity->getName() === $name && $pos) {
+                $blockEntities[] = $blockEntity;
+            }
+        }
+        return $blockEntities;
+    }
+
+    public function getAllBlockEntities(): array
     {
         return $this->blockEntities;
     }
@@ -217,7 +230,7 @@ public function setTags(): void
         $this->tag->set($this->sectionsTagName, $this->createSectionsTag());
         $this->tag->set($this->blockEntitiesTagName, $this->createBlockEntitiesTag());
         $this->tag->set($this->entitiesTagName, $this->createEntitiesTag());
-        if($this->hasLevelTag){
+        if ($this->hasLevelTag) {
             $tag = new CompoundTag();
             $tag->set("Level", $this->tag);
             $tag->set("DataVersion", (new IntTag())->setValue($this->version));
@@ -240,6 +253,7 @@ protected function createBlockEntitiesTag(): ListTag
         }
         return $blockEntities;
     }
+
     /**
      * Creates "entities" tag
      *

src/BlockEntity.php

@@ -11,6 +11,8 @@ class BlockEntity
 {
     protected McCoordinates3D $coordinates;
 
+    protected string $name;
+
     protected CompoundTag $tag;
 
     /**
@@ -23,6 +25,7 @@ public function __construct(Tag $tag)
         }
         $this->coordinates = new McCoordinates3D($tag->getInt("x")->getValue(),$tag->getInt("y")->getValue(),$tag->getInt("z")->getValue());
         $this->tag = $tag;
+        $this->name = $this->tag["id"]->getValue();
     }
 
     /**
@@ -33,11 +36,27 @@ public function getCoordinates(): McCoordinates3D
         return $this->coordinates;
     }
 
+    /**
+     * @return string
+     */
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
     /**
      * @return CompoundTag|ListTag
      */
     public function createTag(): CompoundTag|ListTag
     {
         return $this->tag;
     }
+
+    /**
+     * @return string
+     */
+    public function __toString(): string
+    {
+        return $this->name . " at: " . $this->coordinates;
+    }
 }