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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 Vinicius Monego <monego@posteo.net>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix build godot-build-system)
#:use-module ((guix build gnu-build-system) #:prefix gnu:)
#:use-module (guix build utils)
#:use-module (ice-9 match)
#:use-module (ice-9 format)
#:use-module (ice-9 ftw)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (%standard-phases
godot-build))
(define* (configure #:key project-directory #:allow-other-keys)
;; Projects may have the 'project.godot' file in different directories. The
;; project-directory key contains the path string to the directory where it
;; is located.
(chdir project-directory)
(setenv "HOME" (getcwd))
;; Not all projects ship with export_presets.cfg because it may contain
;; confidential information such as CI keys. In that case, we check if
;; this file exists, and if it doesn't we use this generic template below.
;; There is ongoing effort to separate the keys from that file. See:
;; https://github.com/godotengine/godot-demo-projects/issues/329 and
;; https://github.com/godotengine/godot/pull/35930. Until that is fixed and
;; developers start to provide the file, we have to use our own template.
(let ((export-presets "export_presets.cfg"))
(when (not (file-exists? export-presets))
(with-output-to-file export-presets
(lambda ()
(display
"[preset.0]
name=\"Guix\"
platform=\"Linux/X11\"
runnable=true
custom_features=\"\"
export_filter=\"all_resources\"
include_filter=\"\"
exclude_filter=\"\"
export_path=\"\"
patch_list=PoolStringArray( )
script_export_mode=1
script_encryption_key=\"\"
[preset.0.options]
texture_format/bptc=false
texture_format/s3tc=true
texture_format/etc=false
texture_format/etc2=false
texture_format/no_bptc_fallbacks=true
binary_format/64_bits=false
binary_format/embed_pck=false
custom_template/release=\"\"
custom_template/debug=\"\""))))))
(define* (build #:key inputs game export-name #:allow-other-keys)
(let ((godot (assoc-ref inputs "godot-headless")))
(invoke (string-append godot "/bin/godot_server")
"--export-pack" export-name (string-append game ".pck")
"project.godot")))
(define* (install #:key inputs outputs game #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(bin (string-append out "/bin"))
(share (string-append out "/share"))
(data (string-append share "/" game))
(icons (string-append share "/icons/hicolor/256x256/apps")))
(install-file (string-append game ".pck") data)
(mkdir-p bin)
(call-with-output-file (string-append bin "/" game)
(lambda (port)
(format port
"#!/bin/sh~@
exec ~a/bin/godot --main-pack ~a/~a.pck~%"
(assoc-ref inputs "godot") data game)
(chmod port #o755)))
(mkdir-p icons)
(copy-file "icon.png" (string-append icons "/" game ".png"))))
(define %standard-phases
(modify-phases gnu:%standard-phases
(delete 'bootstrap)
(replace 'configure configure)
(replace 'build build)
(delete 'check)
(replace 'install install)))
(define* (godot-build #:key inputs (phases %standard-phases)
#:allow-other-keys #:rest args)
"Build the given Godot package, applying all of PHASES in order."
(apply gnu:gnu-build #:inputs inputs #:phases phases args))
|