From 6ba732b304cead56fe6c599c72802743836114c3 Mon Sep 17 00:00:00 2001
From: izawartka <59137928+izawartka@users.noreply.github.com>
Date: Mon, 9 Jun 2025 14:32:38 +0200
Subject: [PATCH] Added SceneryInfo parsing

+Added scv (SceneryInfo) block parser and scenery format version check. If the block is invalid, an error is thrown, if the version is not 29, a warning is logged
+Added errors to SceneryParserLog
---
 src/helpers/constants.js        |  7 ++++++-
 src/model/scenery-info.js       | 33 +++++++++++++++++++++++++++++++++
 src/model/scenery-parser-log.js |  4 ++++
 src/model/scenery.js            | 31 ++++++++++++++++++++++++++++++-
 4 files changed, 73 insertions(+), 2 deletions(-)
 create mode 100644 src/model/scenery-info.js

diff --git a/src/helpers/constants.js b/src/helpers/constants.js
index 7a207e0..37b77b8 100644
--- a/src/helpers/constants.js
+++ b/src/helpers/constants.js
@@ -5,7 +5,8 @@ const Constants = {
     },
     parser: {
         forceAutoSwitches: false,
-        logNewAutoSwitches: true
+        logNewAutoSwitches: true,
+        sceneryInfoVersion: 29
     },
     warnings: {
         all: false, // enable all warnings
@@ -20,6 +21,10 @@ const Constants = {
         switchInvalidDataFormat: true,
         switchNoModel: true,
         signalBoxUndefinedPrefabName: true,
+        invalidSceneryInfoVersion: true,
+    },
+    errors: {
+        invalidSceneryInfo: true
     },
     layers: [
         {
diff --git a/src/model/scenery-info.js b/src/model/scenery-info.js
new file mode 100644
index 0000000..12c478e
--- /dev/null
+++ b/src/model/scenery-info.js
@@ -0,0 +1,33 @@
+export default class SceneryInfo {
+    name;
+    version;
+    description;
+    link;
+    author;
+    main_signalbox;
+
+    constructor(name, version, description, link, author, main_signalbox) {
+        Object.assign(this, {
+            name,
+            version,
+            description,
+            link,
+            author,
+            main_signalbox
+        });
+    }
+
+    static fromText(text) {
+        const values = text.split(";");
+        const sceneryInfo = new SceneryInfo(
+            values[1], // name
+            parseInt(values[2]), // version
+            values[3], // description
+            values[4], // link
+            values[5], // author
+            values[6]  // main_signalbox
+        );
+
+        return sceneryInfo;
+    }
+}
\ No newline at end of file
diff --git a/src/model/scenery-parser-log.js b/src/model/scenery-parser-log.js
index 6e279aa..cd631c6 100644
--- a/src/model/scenery-parser-log.js
+++ b/src/model/scenery-parser-log.js
@@ -6,4 +6,8 @@ export default class SceneryParserLog {
 
         console.warn(`[SceneryParserLog] ${message}`);
     }
+
+    static error(type, message) {
+        throw new Error(`[SceneryParserLog] ${message}`);
+    }
 }
diff --git a/src/model/scenery.js b/src/model/scenery.js
index 6cb3264..cdeb0d7 100644
--- a/src/model/scenery.js
+++ b/src/model/scenery.js
@@ -7,9 +7,19 @@ import Route from './route';
 import Misc from './misc';
 import SceneryParserLog from './scenery-parser-log';
 import SignalBox from './signalbox';
+import Constants from '../helpers/constants';
+import SceneryInfo from './scenery-info';
+
+/*
+TODO: move parsers to another static class
+TODO: add support for scenery info entries
+TODO: add support for WorldRotation and WorldTranslation
+TODO: check CameraHome and MainCamera
+*/
 
 export default class Scenery
 {
+    sceneryInfo = null; // SceneryInfo object
     objects = {};
     signalBoxes = [];
     spawnSignals = [];
@@ -25,8 +35,13 @@ export default class Scenery
         const lines = scText.split("\n").map(line => line.trim());
         const scenery = new Scenery();
 
-        lines.forEach(line => {
+        lines.forEach((line, index) => {
             if(!line?.length) return; 
+            if(index === 0) {
+                this.sceneryInfo = Scenery._parseSceneryInfo(line);
+                return;
+            }
+
             const object = Scenery._parseObject(line);
             if(!object) return; // skip null objects
             scenery.addObject(object);
@@ -87,6 +102,20 @@ export default class Scenery
         return this.trackAliases[idOrAlias] || idOrAlias;
     }
 
+    static _parseSceneryInfo(text) {
+        const infoHeader = text.split(";", 2)[0];
+        if(!infoHeader.startsWith("scv")) {
+            SceneryParserLog.error('invalidSceneryInfo', `Invalid scenery info header: ${infoHeader}`);
+        }
+
+        const version = parseInt(infoHeader.split("v")[1]);
+        if(version !== Constants.parser.sceneryInfoVersion) {
+            SceneryParserLog.warn('invalidSceneryInfoVersion', `Invalid scenery info version: ${version}. Expected: ${Constants.parser.sceneryInfoVersion}`);
+        }
+
+        return SceneryInfo.fromText(text);
+    }        
+
     static _parseObject(text) {
         const type = text.split(";", 2)[0];
         switch(type) {