feat: update book for DragonRuby v7

.github/FUNDING.yml

@@ -1,2 +1,5 @@
-patreon: brettchalupa
-custom: ["https://www.buymeacoffee.com/brettchalupa", "https://paypal.me/brettchalupa"]
+custom:
+  [
+    "https://www.buymeacoffee.com/brettchalupa",
+    "https://paypal.me/brettchalupa",
+  ]

.github/workflows/gh-pages.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1
         with:
-          mdbook-version: '0.4.22'
+          mdbook-version: "0.5.2"
           # mdbook-version: 'latest'
 
       - run: mdbook build
@@ -26,7 +26,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@359bebbc29cbe6c87da6bc9ea3bc930432750108
         with:
-          ruby-version: '3.1'
+          ruby-version: "3.1"
       - name: Install dependencies
         run: bundle install
 

.gitignore

@@ -1,3 +1,4 @@
 book
 high-score.txt
 .DS_Store
+errors/

LICENSE.md

@@ -1,43 +1,45 @@
 # License
 
-_Building Games with DragonRuby_ falls under two licenses for different content within it.
+_Building Games with DragonRuby_ falls under two licenses for different content
+within it.
 
 ## Code Snippets
 
-First off, the code snippets. The code examples and sample projects contained in this book are licensed under The Unlicense. You can do whatever you want with the game code from the book.
+First off, the code snippets. The code examples and sample projects contained in
+this book are licensed under The Unlicense. You can do whatever you want with
+the game code from the book.
 
 This is free and unencumbered software released into the public domain.
 
-Anyone is free to copy, modify, publish, use, compile, sell, or
-distribute this software, either in source code form or as a compiled
-binary, for any purpose, commercial or non-commercial, and by any
-means.
-
-In jurisdictions that recognize copyright laws, the author or authors
-of this software dedicate any and all copyright interest in the
-software to the public domain. We make this dedication for the benefit
-of the public at large and to the detriment of our heirs and
-successors. We intend this dedication to be an overt act of
-relinquishment in perpetuity of all present and future rights to this
-software under copyright law.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
+Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
+software, either in source code form or as a compiled binary, for any purpose,
+commercial or non-commercial, and by any means.
+
+In jurisdictions that recognize copyright laws, the author or authors of this
+software dedicate any and all copyright interest in the software to the public
+domain. We make this dedication for the benefit of the public at large and to
+the detriment of our heirs and successors. We intend this dedication to be an
+overt act of relinquishment in perpetuity of all present and future rights to
+this software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 For more information, please refer to <http://unlicense.org/>
 
 ## The Written Words
 
-The actual text of the book where the code is described falls under a different license:
+The actual text of the book where the code is described falls under a different
+license:
 
- <p xmlns:cc="http://creativecommons.org/ns#" xmlns:dct="http://purl.org/dc/terms/"><a property="dct:title" rel="cc:attributionURL" href="https://book.dragonriders.community">Building Games with DragonRuby</a> by <a rel="cc:attributionURL dct:creator" property="cc:attributionName" href="https://www.brettchalupa.com">Brett Chalupa</a> is licensed under <a href="http://creativecommons.org/licenses/by-nc-sa/4.0/?ref=chooser-v1" target="_blank" rel="license noopener noreferrer" style="display:inline-block;">Attribution-NonCommercial-ShareAlike 4.0 International<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/cc.svg?ref=chooser-v1"><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/by.svg?ref=chooser-v1"><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/nc.svg?ref=chooser-v1"><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/sa.svg?ref=chooser-v1"></a></p>
+<p xmlns:cc="http://creativecommons.org/ns#" xmlns:dct="http://purl.org/dc/terms/"><a property="dct:title" rel="cc:attributionURL" href="https://book.dragonriders.community">Building Games with DragonRuby</a> by <a rel="cc:attributionURL dct:creator" property="cc:attributionName" href="https://www.brettchalupa.com">Brett Chalupa</a> is licensed under <a href="http://creativecommons.org/licenses/by-nc-sa/4.0/?ref=chooser-v1" target="_blank" rel="license noopener noreferrer" style="display:inline-block;">Attribution-NonCommercial-ShareAlike 4.0 International<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/cc.svg?ref=chooser-v1"><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/by.svg?ref=chooser-v1"><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/nc.svg?ref=chooser-v1"><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/sa.svg?ref=chooser-v1"></a></p>
 
-Examples of what you can do with the book under this license as long as it maintains the same license and gives proper credit:
+Examples of what you can do with the book under this license as long as it
+maintains the same license and gives proper credit:
 
 - Translate it
 - Reformat it

README.md

@@ -1,33 +1,49 @@
 # Building Games with DragonRuby
 
-An open-source book by Brett Chalupa and the Dragon Rider Community that walks you through how to build games with [DragonRuby Game Toolkit](https://dragonruby.org/toolkit/game).
+An open-source book by Brett Chalupa and the Dragon Rider Community that walks
+you through how to build games with
+[DragonRuby Game Toolkit](https://dragonruby.org/toolkit/game).
 
 [Play the game you'll be building, right in the browser.](https://dragonridersunite.itch.io/dragonruby-book)
 
 [Support the creation and expansion of this book.](https://buymeacoffee.com/brettchalupa)
 
 ## Developing
 
-The book is authored and published with [mdBook](https://rust-lang.github.io/mdBook/guide/installation.html). Follow the installation instructions to get the `mdbook` binary installed.
+The book is authored and published with
+[mdBook](https://rust-lang.github.io/mdBook/guide/installation.html). Follow the
+installation instructions to get the `mdbook` binary installed.
 
 Run `mdbook serve` to boot up the web server that handles compiling everything.
 
-When the code is pushed to the `main` branch on GitHub, an action runs that deploys it to the `gh-pages` branch.
+When the code is pushed to the `main` branch on GitHub, an action runs that
+deploys it to the `gh-pages` branch.
+
+Download DragonRuby GTK for your platform, unzip it, and then clone the
+repository inside of the new folder:
+
+```
+cd dragonruby
+git clone git@github.com:DragonRidersUnite/book.git
+```
 
 ## Key Versions
 
-- DragonRuby Game Toolkit: v3.x, v4.x, v5.x
-- mdBook: v0.4.22
+- DragonRuby Game Toolkit: v7.x; might work for previous versions
+- mdBook: v0.5.x
 
 ## Running Samples
 
-The repository contains complete games for each separate code sample to ensure the code works and runs.
+The repository contains complete games for each separate code sample to ensure
+the code works and runs.
 
-Code samples live in `src/code` and then are organized by chapter and then sections within a chapter.
+Code samples live in `src/code` and then are organized by chapter and then
+sections within a chapter.
 
-Clone this book repository into a DragonRuby GTK engine directory and run the samples with:
+Clone this book repository into a DragonRuby GTK engine directory and run the
+samples with:
 
-``` console
+```console
 ./dragonruby book/src/code/chapter_03/01_input
 ```
 

book.toml

@@ -1,10 +1,9 @@
 [book]
 authors = ["Brett Chalupa", "Dragon Rider Community"]
 language = "en"
-multilingual = false
 src = "src"
 title = "Building Games with DragonRuby"
-description = "A free book about making 2D games with DragonRuby Game Toolkit."
+description = "A beginner-friendly guide to programming 2D games with DragonRuby Game Toolkit."
 
 [output.html]
 git-repository-url = "https://github.com/DragonRidersUnite/book"