Improve .desktop files and add Hellfire flavor to CMake build system (#1127)

CMakeLists.txt

@@ -823,11 +823,14 @@ if(CPACK)
     set(CPACK_STRIP_FILES TRUE)
     install(TARGETS ${BIN_TARGET} DESTINATION bin)
     set(desktop_file "${PROJECT_SOURCE_DIR}/Packaging/nix/${project_name}.desktop")
+    set(desktop_file_hellfire "${PROJECT_SOURCE_DIR}/Packaging/nix/${project_name}-hellfire.desktop")
 
     find_program(DFI desktop-file-install)
     if(DFI)
       execute_process(COMMAND ${DFI} --dir=${CMAKE_BINARY_DIR} ${desktop_file})
       set(desktop_file "${CMAKE_BINARY_DIR}/${project_name}.desktop")
+      execute_process(COMMAND ${DFI} --dir=${CMAKE_BINARY_DIR} ${desktop_file_hellfire})
+      set(desktop_file_hellfire "${CMAKE_BINARY_DIR}/${project_name}-hellfire.desktop")
     endif()
 
     install(FILES "${PROJECT_SOURCE_DIR}/Packaging/resources/devilutionx.mpq"
@@ -836,6 +839,9 @@ if(CPACK)
     install(FILES "${desktop_file}"
       DESTINATION "share/applications"
     )
+    install(FILES "${desktop_file_hellfire}"
+      DESTINATION "share/applications"
+    )
     install(FILES "${PROJECT_SOURCE_DIR}/Packaging/nix/README.txt"
       DESTINATION "share/diasurgical/${project_name}"
     )
@@ -843,6 +849,10 @@ if(CPACK)
       DESTINATION "share/icons/hicolor/512x512/apps"
       RENAME "${project_name}.png"
     )
+    install(FILES "${PROJECT_SOURCE_DIR}/Packaging/resources/hellfire.png"
+      DESTINATION "share/icons/hicolor/512x512/apps"
+      RENAME "${project_name}-hellfire.png"
+    )
     install(FILES "${PROJECT_SOURCE_DIR}/Packaging/resources/CharisSILB.ttf"
       DESTINATION "share/fonts/truetype"
     )

Packaging/fedora/devilutionx-hellfire.desktop

@@ -1,5 +1,5 @@
 [Desktop Entry]
-Name=devilutionx hellfire
+Name=DevilutionX Hellfire
 GenericName=DevilutionX Hellfire
 Comment=Play Diablo: Hellfire on Linux
 Comment[da]=Spil Diablo: Hellfire på Linux

Packaging/fedora/devilutionx.desktop

@@ -1,10 +1,10 @@
 [Desktop Entry]
-Name=devilutionx
+Name=DevilutionX
 GenericName=DevilutionX
 Comment=Play Diablo I on Linux
 Comment[da]=Spil Diablo I på Linux
 Comment[hr]=Igrajte Diablo I na Linuxu
-Comment[it]= Gioca a Diablo I su Linux
+Comment[it]=Gioca a Diablo I su Linux
 Exec=devilutionx --diablo
 Icon=devilutionx
 Terminal=false

Packaging/nix/devilutionx-hellfire.desktop

@@ -0,0 +1,14 @@
+[Desktop Entry]
+Name=DevilutionX Hellfire
+GenericName=DevilutionX Hellfire
+Comment=Play Diablo: Hellfire on Linux
+Comment[da]=Spil Diablo: Hellfire på Linux
+Comment[hr]=Igrajte Diablo: Hellfire na Linuxu
+Comment[it]=Gioca a Diablo: Hellfire su Linux
+Exec=devilutionx
+Icon=devilutionx-hellfire
+Terminal=false
+Type=Application
+X-DCOP-ServiceType=Multi
+X-KDE-StartupNotify=true
+Categories=Game;RolePlaying;

Packaging/nix/devilutionx.desktop

@@ -1,10 +1,11 @@
 [Desktop Entry]
-Name=devilutionx
+Name=DevilutionX
 GenericName=DevilutionX
 Comment=Play Diablo I on Linux
 Comment[da]=Spil Diablo I på Linux
 Comment[hr]=Igrajte Diablo I na Linuxu
-Exec=devilutionx
+Comment[it]=Gioca a Diablo I su Linux
+Exec=devilutionx --diablo
 Icon=devilutionx
 Terminal=false
 Type=Application