Added AppStream support

CMakeLists.txt

@@ -36,8 +36,10 @@ else()
     set(DATADIR "${SHAREDIR}/openblok" CACHE STRING "Install location of the data files")
     if(UNIX AND NOT APPLE AND NOT CYGWIN)
         option(INSTALL_DESKTOPICON "Install desktop shortcut and icon" ON)
+        option(INSTALL_APPSTREAM "Install AppStream metainfo" ON)
         set(ICONDIR "${SHAREDIR}/pixmaps" CACHE STRING "Install location of the icon file")
         set(DESKTOPDIR "${SHAREDIR}/applications" CACHE STRING "Install location of the desktop shortcut")
+        set(APPSTREAMDIR "${SHAREDIR}/metainfo" CACHE STRING "Install location of the AppStream metainfo")
     endif()
 endif()
 
@@ -100,6 +102,9 @@ if(INSTALL_DESKTOPICON)
     install(FILES etc/linux/openblok.desktop DESTINATION ${DESKTOPDIR})
     install(FILES data/icon.png DESTINATION ${ICONDIR} RENAME openblok.png)
 endif()
+if(INSTALL_APPSTREAM)
+    install(FILES etc/linux/openblok.appdata.xml DESTINATION ${APPSTREAMDIR})
+endif()
 
 
 # Package
@@ -129,4 +134,7 @@ message(STATUS "|  - data dir:       ${DATADIR}")
 if(INSTALL_DESKTOPICON)
     message(STATUS "|  - shortcut, icon: yes")
 endif()
+if(INSTALL_APPSTREAM)
+    message(STATUS "|  - appstream:      yes")
+endif()
 message(STATUS "|")

etc/linux/openblok.appdata.xml

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8"?>
+​<!-- Copyright 2017 Mátyás Mustoha -->
+​<component type="desktop-application">
+​  <id>openblok</id>
+​  <metadata_license>CC0</metadata_license>
+​  <project_license>GPL-3.0+</project_license>
+​  <name>OpenBlok</name>
+​  <summary>A falling block puzzle game</summary>
+
+​  <description>
+​    <p>
+​      A customizable, cross platform, open-source falling block game,
+      packed with a bunch of features.
+​    </p>
+    <p>Gameplay features:</p>
+    <ul>
+      <li>Ghost piece support</li>
+      <li>Hold piece support</li>
+      <li>Customizable next pieces support</li>
+      <li>Customizable DAS support</li>
+      <li>SRS, TGM and Classic rotation</li>
+      <li>Full wall- and floor kick support</li>
+      <li>7-piece bag random generator</li>
+      <li>Classic, Extended and Infinity lock support</li>
+      <li>Sonic drop and Zangi-move support</li>
+      <li>T-Spin and Mini T-Spin support</li>
+      <li>Combo support</li>
+      <li>Battle mode, Sprint and Ultra</li>
+      <li>Proper menu, configuration and stats</li>
+      <li>Gamepad support</li>
+      <li>Music and sound effects</li>
+      <li>Big screen, small screen support</li>
+      <li>Theme support</li>
+    </ul>
+
+​  </description>
+
+  <categories>
+    <category>Game</category>
+    <category>BlocksGame</category>
+  </categories>
+​
+​  <screenshots>
+​    <screenshot type="default">
+​      <caption>Gameplay</caption>
+​      <image>https://gitcdn.xyz/repo/mmatyas/openblok/b0491168/etc/promo/screenshot01.png</image>
+​    </screenshot>
+​    <screenshot>
+​      <caption>Main menu</caption>
+​      <image>https://gitcdn.xyz/repo/mmatyas/openblok/b0491168/etc/promo/screenshot_mainmenu.png</image>
+​    </screenshot>
+​    <screenshot>
+​      <caption>Multiplayer</caption>
+​      <image>https://gitcdn.xyz/repo/mmatyas/openblok/b0491168/etc/promo/screenshot02.png</image>
+​    </screenshot>
+​  </screenshots>
+​
+​  <url type="homepage">https://github.com/mmatyas/openblok</url>
+
+  <developer_name>Mátyás Mustoha</developer_name>
+  <update_contact/>matyas.mustoha_AT_gmail.com</component>
+​
+​  <releases>
+​    <release version="0.7.0" date="2017-02-27">
+​      <description>
+​        <p>See https://github.com/mmatyas/openblok/releases/tag/v0.7.0</p>
+​      </description>
+​    </release>
+​  </releases>
+​</component>