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|
{ stdenv, fetchurl, makeWrapper, fetchHumbleBundle, writeText
, SDL2, libGL, glew, freeimage
}:
let
oldGLEW = glew.overrideDerivation (stdenv.lib.const rec {
name = "glew-1.12.0";
src = fetchurl {
url = "mirror://sourceforge/glew/${name}.tgz";
sha256 = "1gz4917k9iyv3s8k0fxylzrwdnlf7dcszlsfzbkl7d1490zi0n5g";
};
});
in stdenv.mkDerivation {
name = "brigador-1.0";
src = fetchHumbleBundle {
machineName = "brigador_linux";
suffix = "tar";
md5 = "61af4a5f037b85bf6acc5ca76d295d09";
};
preloader = writeText "brigador-preloader.c" ''
#define _GNU_SOURCE
#include <dlfcn.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#define MANGLE_PATH(call, ...) \
if (strncmp(path, "assets.pack", 12) == 0 || \
strncmp(path, "assets/", 7) == 0 || \
strncmp(path, "fonts/", 6) == 0 || \
strncmp(path, "shaders/", 8) == 0 || \
strncmp(path, "sounds/", 7) == 0) { \
char buf[1024]; \
snprintf(buf, sizeof(buf), "%s/%s", LIBEXEC_PATH, path); \
return call(buf, __VA_ARGS__); \
}
${stdenv.lib.concatMapStrings (fun: ''
FILE *${fun}(const char *path, const char *mode) {
static FILE *(*_${fun}) (const char *, const char *) = NULL;
if (_${fun} == NULL) _${fun} = dlsym(RTLD_NEXT, "${fun}");
MANGLE_PATH(_${fun}, mode);
return _${fun}(path, mode);
}
'') [ "fopen" "fopen64" ]}
int open(const char *path, int flags, ...) {
va_list ap;
mode_t mode;
static int (*_open) (const char *, int, mode_t) = NULL;
if (_open == NULL) _open = dlsym(RTLD_NEXT, "open");
va_start(ap, flags);
mode = va_arg(ap, mode_t);
va_end(ap);
MANGLE_PATH(_open, (flags & ~O_RDWR) | O_RDONLY, mode);
return _open(path, flags, mode);
}
'';
patchPhase = let
fmodRpath = stdenv.lib.makeLibraryPath [ "$out" stdenv.cc.cc ];
rpath = stdenv.lib.makeLibraryPath [ "$out" SDL2 libGL oldGLEW freeimage ];
in ''
for fmod in lib/libfmod*.so*; do
patchelf --set-rpath "${fmodRpath}" "$fmod"
done
patchelf \
--set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
--set-rpath "${rpath}" brigador
'';
buildPhase = ''
cc -Werror -shared "$preloader" -o preloader.so -ldl -fPIC \
-DLIBEXEC_PATH=\"$out/libexec/brigador\"
'';
buildInputs = [ makeWrapper ];
installPhase = ''
for fmod in lib/libfmod*.so*; do
install -vD "$fmod" "$out/lib/$(basename "$fmod")"
done
install -vD brigador "$out/libexec/brigador/brigador"
install -vD preloader.so "$out/libexec/brigador/preloader.so"
install -vD -m 0644 assets.pack "$out/libexec/brigador/assets.pack"
cp -rt "$out/libexec/brigador" assets fonts shaders sounds
makeWrapper "$out/libexec/brigador/brigador" "$out/bin/brigador" \
--set LD_PRELOAD "$out/libexec/brigador/preloader.so" \
--run 'XDG_DATA_HOME="''${XDG_DATA_HOME:-$HOME/.local/share}"' \
--run 'mkdir -p "$XDG_DATA_HOME/brigador"' \
--run 'cd "$XDG_DATA_HOME/brigador"'
'';
dontStrip = true;
}
|
