From d1c95742ddd83899bb35051de9d731d38aba80a4 Mon Sep 17 00:00:00 2001
From: E14 <1640391+E14@users.noreply.github.com>
Date: Sun, 22 Sep 2019 22:57:54 +0200
Subject: Add ProtocolBlockTypePalette (#4391)

---
 Tools/BlockTypePaletteGenerator/Readme.md | 63 +++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Tools/BlockTypePaletteGenerator/Readme.md

(limited to 'Tools/BlockTypePaletteGenerator/Readme.md')

diff --git a/Tools/BlockTypePaletteGenerator/Readme.md b/Tools/BlockTypePaletteGenerator/Readme.md
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+++ b/Tools/BlockTypePaletteGenerator/Readme.md
@@ -0,0 +1,63 @@
+This generator crafts an intermediate index format to be read by cuberite
+
+# Running
+
+Run `lua ./Generator.lua`, pass `blocks.json` as first argument to the script
+and the desired output location as 2nd argument.
+
+Make sure to run the Generator from within its directory (`cd` into the path
+where `Generator.lua` is.)
+
+## Examples
+
+```bash
+SERVER=/path/to/server.jar
+java -cp "$SERVER" net.minecraft.data.Main --reports &&
+lua Generator.lua \
+	generated/reports/blocks.json \
+	../../Server/Protocol/1.13/ProtocolBlockTypePalette.json 
+```
+
+```bash
+SERVER=/path/to/server.jar
+java -cp "$SERVER" net.minecraft.data.Main --reports &&
+lua Generator.lua - -\
+	< generated/reports/blocks.json \
+	> ../Server/Protocol/1.13/ProtocolBlockTypePalette.json
+```
+
+## Output format
+
+The Format is a `JSON` document containing an object with at least two keys at
+the top level: `Metadata` and `Palette`.
+
+`Metadata` contains document metadata, namely a key `"ProtocolBlockType": 1`.
+
+`Palette` contains an array of objects. Each of these objects has at least the
+keys `id`, `name` and an optional `props` key that contains the individual
+properties of the current state. These properties are a KV dict of pure strings.
+
+The order of the array or object elements is not significant. `id` is unique.
+
+```json
+{
+  "Metadata": {
+    "ProtocolBlockType": 1
+  },
+  "Palette": [{
+      "id": 0,
+      "name": "minecraft:air"
+    }, {
+      "id": 1,
+      "name": "minecraft:stone"
+    }, {
+      "id": 221,
+      "name": "minecraft:dark_oak_leaves",
+      "props": {
+        "persistent": "false",
+        "distance": "4"
+      }
+    }
+  ]
+}
+```
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