Initial attempt at packaging Mindustrymindustry

Mindustry uses Gradle for building, which seems very hard to package
reproducibly, as it downloads a bunch of stuff when invoked.

Nix has packaged it, but apparently not by building from source.

1 files changed, 102 insertions, 0 deletions

diff --git a/tw/packages/games.scm b/tw/packages/games.scm
index abe855ad..2d8d7e41 100644
--- a/tw/packages/games.scm
+++ b/tw/packages/games.scm
@@ -2,10 +2,13 @@
   #:use-module (guile)   ; for `geiser-eval-buffer-and-go' to work properly
   #:use-module ((ice-9 string-fun) #:select (string-replace-substring))
   #:use-module (gnu packages audio)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages bash)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages fontutils)
   #:use-module (gnu packages guile)
   #:use-module (gnu packages image)
+  #:use-module (gnu packages java)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages sdl)
   #:use-module (gnu packages textutils)
@@ -19,6 +22,9 @@
   #:use-module (guix modules)
   #:use-module (guix packages))
 
+
+;; Simutrans
+
 (define-public simutrans-pak128
   ;; Install paks as propagated-inputs of simutrans, so they go in
   ;; Simutrans' data directory, where Simutrans expects them.
@@ -166,5 +172,101 @@ directory as assets from the base game, such as music files.")
   (simutrans-pak-union "simutrans-with-pak128"
                        (list simutrans-pak128)))
 
+
+;; Widelands
+
 ;; TODO: package Widelands 1.1
 ;; https://github.com/widelands/widelands/releases/tag/v1.1
+
+
+;; Mindustry
+
+(define-public gradle
+  (package
+    (name "gradle")
+    (version "7.5.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://services.gradle.org/distributions/gradle-"
+                           version "-all.zip"))   ; *-bin.zip is the binary distribution
+       ;; (sha256 (base32 "1i4fikapjrxha4bpfkdjycj68154da0jkwlj3rch3rfc21mmkf7n"))  ; *-bin.zip
+       (sha256 (base32 "06923j2cri0ay3knkqv5csrrwvqri46yhs9c55h1zxk3xl8q576v"))))   ; *-all.zip
+    (build-system trivial-build-system)
+    (arguments
+     `(#:builder
+       ,#~(begin)))
+    (home-page "https://gradle.org/")
+    (synopsis "Enterprise-grade Java build tool")
+    (description "Gradle is an open-source build automation tool focused on
+flexibility and performance.  Gradle build scripts are written using a Groovy
+or Kotlin DSL.")
+    (license license:asl2.0)))
+
+(define-public mindustry
+  (package
+    (name "mindustry")
+    (version "141.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/Anuken/Mindustry/archive/refs/tags/v" version ".tar.gz"))
+       (sha256 (base32 "03gmg7mgxrlzn1jzz62k14008whaj0gib97svqa0yay8d5swxfpg"))))
+    (build-system trivial-build-system)
+
+    (arguments
+     `(#:modules ,(source-module-closure
+                   '((guix build utils)
+                     (guix build gnu-build-system)))
+       #:builder
+       ,#~(begin
+            (use-modules (guix build utils)
+                         ((guix build gnu-build-system) #:prefix gnu:))
+            ;; Gradle puts stuff in ~/.gradle. Do this now because "unpack" chdir's.
+            (setenv "HOME" (getcwd))
+            ;; Gradle needs JAVA_HOME to be set.
+            (setenv "JAVA_HOME" #$openjdk)
+
+            ;; Unpack source tarball.
+            (set-path-environment-variable
+             "PATH" '("bin" "sbin")
+             '#+(list openjdk bash-minimal sed coreutils tar gzip))
+            ((assq-ref gnu:%standard-phases 'unpack) #:source #$source)
+
+            ;; Patch build scripts to refer to offline gradle dependencies.
+            #|
+            sed -ie "1ipluginManagement { repositories { maven { url '${deps}' } } }; " Mindustry/settings.gradle
+            sed -ie "s#mavenLocal()#mavenLocal(); maven { url '${deps}' }#g" Mindustry/build.gradle
+            sed -ie "s#mavenCentral()#mavenCentral(); maven { url '${deps}' }#g" Arc/build.gradle
+            sed -ie "s#wget.*freetype.* -O #cp ${freetypeSource} #" Arc/extensions/freetype/build.gradle
+            sed -ie "/curl.*glew/{;s#curl -o #cp ${glewSource} #;s# -L http.*\.zip##;}" Arc/backends/backend-sdl/build.gradle
+            sed -ie "/curl.*sdlmingw/{;s#curl -o #cp ${SDLmingwSource} #;s# -L http.*\.tar.gz##;}" Arc/backends/backend-sdl/build.gradle
+            |#
+
+            (let ((maven-url #+mindustry-maven-deps))
+              (substitute* "settings.gradle"
+                (("(^if\\(JavaVersion\\.current)" line)   ; match the beginning of the first line
+                 (format #f "pluginManagement { repositories { maven { url '~a' } } }\n~a" maven-url line)))
+              (substitute* "build.gradle"
+                (("mavenLocal\\(\\)")
+                 "mavenLocal(); maven { url '~a' }" maven-url)))
+
+            ;; Now run the actual build scripts.
+            (invoke "sh" "gradlew" "tools:pack")
+            (invoke "sh" "gradlew" "desktop:dist"))))
+
+    ;; (inputs (list openjdk17))   ; plain `openjdk' ought to work too?
+    ;; (native-inputs (list bash-minimal sed coreutils   ; for gradlew
+    ;;                      tar gzip))                   ; for unpack
+    (home-page "https://mindustrygame.github.io/")
+    (synopsis "The automation tower defense RTS game")
+    (description "Mindustry: A sandbox tower-defense game.
+@itemize
+@item Defend your base from waves of powerful enemies.
+@item Build complex designs for processing materials.
+@item Build and fight with other players on multiplayer servers.
+@end itemize
+")
+    (license (list license:gpl3         ; Mindustry itself
+                   license:asl2.0))))   ; gradlew build script