Add Steamworks 1/4

src/locales/en.json

@@ -457,11 +457,11 @@
       "string": "Zip, combine assets into single file (not recommended)"
     },
     "application-win32": {
-      "string": "{type} Windows application (32-bit or 64-bit)",
+      "string": "{type} Windows application (32-bit)",
       "context": "type will become something like 'NW.js' or 'Electron'. Do not translate 'Windows'."
     },
     "application-win64": {
-      "string": "{type} Windows application (64-bit only, not recommended)",
+      "string": "{type} Windows application (64-bit)",
       "context": "type will become something like 'NW.js' or 'Electron'. Do not translate 'Windows'."
     },
     "application-win-arm": {
@@ -473,7 +473,7 @@
       "context": "type will become something like 'NW.js' or 'Electron'. Do not translate 'macOS'."
     },
     "application-linux64": {
-      "string": "{type} Linux application (64-bit only)",
+      "string": "{type} Linux application (64-bit)",
       "context": "type will become something like 'NW.js' or 'Electron'. Do not translate 'Linux'."
     },
     "application-linux-arm32": {
@@ -521,6 +521,39 @@
     "maxTextureDimension": {
       "string": "Increase max vector costume resolution to make large costumes look better. May increase memory use and cause crashes."
     },
+    "steamworksExtension": {
+      "string": "Steamworks Extension",
+      "context": "Title of section that appears when using the Steamworks extension"
+    },
+    "steamworksMacWarning": {
+      "string": "Warning: macOS games published on Steam need to be notarized by Apple, which the packager doesn't support. You can still test your game on a Mac, but you won't be able to publish it for macOS yet.",
+      "developer_comment": "When using the Steamworks extension, warning that appears whenever macOS support is used or mentioned."
+    },
+    "steamworksDocumentation": {
+      "string": "See the extension's documentation for more details.",
+      "context": "Link to more documentation about the Steamworks extension"
+    },
+    "steamworksUnavailable": {
+      "string": "To enable the Steamworks extension, you must use one of these environments:"
+    },
+    "steamworksAvailable": {
+      "string": "This project is using the Steamworks extension. You can find your game's App ID in Steamworks, or use {n} for testing with the Steamworks demo game."
+    },
+    "steamworksAppId": {
+      "string": "App ID"
+    },
+    "steamworksOnError": {
+      "string": "If there is an error initializing Steamworks"
+    },
+    "steamworksIgnore": {
+      "string": "Do nothing"
+    },
+    "steamworksWarning": {
+      "string": "Show a warning but continue"
+    },
+    "steamworksError": {
+      "string": "Show an error and exit"
+    },
     "package": {
       "string": "Package",
       "context": "Button to package the project"
@@ -620,4 +653,4 @@
       "description": "Button to cancel import"
     }
   }
-}
+}

src/p4/PackagerOptions.svelte

@@ -151,6 +151,8 @@
         thing = 'Electron';
       } else if (detail.asset === 'webview-mac') {
         thing = 'WKWebView';
+      } else if (detail.asset === 'steamworks.js') {
+        thing = 'Steamworks.js';
       }
       if (thing) {
         task.setProgressText($_('progress.loadingLargeAsset').replace('{thing}', thing));
@@ -1022,6 +1024,54 @@
   </div>
 {/if}
 
+{#if projectData.project.analysis.usesSteamworks}
+  <Section
+    accent="#136C9F"
+    reset={() => {
+      resetOptions([
+        'steamworks'
+      ]);
+    }}
+  >
+    <h2>{$_('options.steamworksExtension')}</h2>
+    {#if ['electron-win64', 'electron-linux64', 'electron-mac'].includes($options.target)}
+      <p>{$_('options.steamworksAvailable').replace('{n}', '480')}</p>
+      <label class="option">
+        {$_('options.steamworksAppId')}
+        <input pattern="\d+" minlength="1" bind:value={$options.steamworks.appId}>
+      </label>
+      <label class="option">
+        {$_('options.steamworksOnError')}
+        <select bind:value={$options.steamworks.onError}>
+          <option value="ignore">{$_('options.steamworksIgnore')}</option>
+          <option value="warning">{$_('options.steamworksWarning')}</option>
+          <option value="error">{$_('options.steamworksError')}</option>
+        </select>
+      </label>
+
+      {#if $options.target === 'electron-mac'}
+        <p class="warning">
+          {$_('options.steamworksMacWarning')}
+        </p>
+      {/if}
+    {:else}
+      <p>{$_('options.steamworksUnavailable')}</p>
+      <ul>
+        <li>{$_('options.application-win64').replace('{type}', 'Electron')}</li>
+        <li>
+          {$_('options.application-mac').replace('{type}', 'Electron')}
+          <br>
+          {$_('options.steamworksMacWarning')}
+        </li>
+        <li>{$_('options.application-linux64').replace('{type}', 'Electron')}</li>
+      </ul>
+    {/if}
+  </Section>
+{/if}
+
+    <p>
+      <a href="https://extensions.turbowarp.org/steamworks">{$_('options.steamworksDocumentation')}</a>
+    </p>
 <Section>
   <DropArea on:drop={(e) => importOptionsFromDataTransfer(e.detail)}>
     <div class="buttons">

src/packager/download-project.js

@@ -5,6 +5,7 @@ const unknownAnalysis = () => ({
   stageVariables: [],
   stageComments: [],
   usesMusic: true,
+  usesSteamworks: false,
   extensions: []
 });
 
@@ -40,6 +41,7 @@ const analyzeScratch3 = (projectData) => {
     .map((i) => i.text);
   // TODO: usesMusic has possible false negatives
   const usesMusic = projectData.extensions.includes('music');
+  const usesSteamworks = projectData.extensions.includes('steamworks');
   const extensions = projectData.extensionURLs ? Object.values(projectData.extensionURLs) : [];
   return {
     ...unknownAnalysis(),