From fe4ff3325b91121531eded2a8d4c7a066db50bb5 Mon Sep 17 00:00:00 2001
From: "Dylan K. Taylor" <dktapps@pmmp.io>
Date: Tue, 7 Jun 2022 19:05:49 +0100
Subject: [PATCH] Add tool to dump JSON specification for block palettes this
 makes for easier reading to determine available properties.

---
 tools/generate-block-palette-spec.php | 70 +++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 tools/generate-block-palette-spec.php

diff --git a/tools/generate-block-palette-spec.php b/tools/generate-block-palette-spec.php
new file mode 100644
index 000000000..f8365f86a
--- /dev/null
+++ b/tools/generate-block-palette-spec.php
@@ -0,0 +1,70 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\tools\generate_block_palette_spec;
+
+use pocketmine\nbt\tag\ByteTag;
+use pocketmine\nbt\tag\IntTag;
+use pocketmine\nbt\tag\StringTag;
+use pocketmine\network\mcpe\convert\BlockStateDictionary;
+use pocketmine\utils\AssumptionFailedError;
+
+require dirname(__DIR__) . '/vendor/autoload.php';
+
+if(count($argv) !== 3){
+	fwrite(STDERR, "Required arguments: input palette file path, output JSON file path\n");
+	exit(1);
+}
+$palette = BlockStateDictionary::loadFromString(file_get_contents($argv[1]));
+
+$reportMap = [];
+
+foreach($palette->getStates() as $state){
+	$name = $state->getName();
+	foreach($state->getStates() as $propertyName => $value){
+		if($value instanceof IntTag || $value instanceof StringTag){
+			$rawValue = $value->getValue();
+		}elseif($value instanceof ByteTag){
+			$rawValue = match($value->getValue()){
+				0 => false,
+				1 => true,
+				default => throw new AssumptionFailedError("Unexpected ByteTag value for $name -> $propertyName ($value)")
+			};
+		}else{
+			throw new AssumptionFailedError("Unexpected tag type for $name -> $propertyName ($value)");
+		}
+		$reportMap[$name][$propertyName][get_class($value) . ":" . $value->getValue()] = $rawValue;
+	}
+}
+
+foreach($reportMap as $blockName => $propertyList){
+	foreach($propertyList as $propertyName => $propertyValues){
+		ksort($reportMap[$blockName][$propertyName]);
+		$reportMap[$blockName][$propertyName] = array_values($propertyValues);
+	}
+}
+ksort($reportMap, SORT_STRING);
+
+file_put_contents($argv[2], json_encode($reportMap, JSON_PRETTY_PRINT));
+
+