1 files changed, 177 insertions, 0 deletions
diff --git a/pkgs/games/humblebundle/grim-fandango.nix b/pkgs/games/humblebundle/grim-fandango.nix
new file mode 100644
index 00000000..c2b450e5
--- /dev/null
+++ b/pkgs/games/humblebundle/grim-fandango.nix
@@ -0,0 +1,177 @@
+{ stdenv, fetchHumbleBundle, mesa, libpulseaudio, alsaLib, SDL2, writeText
+, xorg
+}:
+
+stdenv.mkDerivation rec {
+  name = "grim-fandango-remastered-${version}";
+  version = "1.4.0";
+
+  src = fetchHumbleBundle {
+    machineName = "grimfandango_linux";
+    suffix = "tar.gz";
+    md5 = "52e0590850102a1ae0db907bef413e57";
+  };
+
+  preloader = writeText "grim-preloader.c" ''
+    #define _GNU_SOURCE
+    #include <dlfcn.h>
+    #include <dirent.h>
+    #include <fcntl.h>
+    #include <unistd.h>
+    #include <stdlib.h>
+    #include <stdio.h>
+    #include <string.h>
+    #include <sys/stat.h>
+    #include <sys/types.h>
+
+    int chdir(const char *path) {
+      static int (*_chdir) (const char *) = NULL;
+      if (_chdir == NULL) {
+        _chdir = dlsym(RTLD_NEXT, "chdir");
+        return _chdir(GRIM_DATADIR);
+      }
+      return _chdir(path);
+    }
+
+    #define CONCAT_ENV(path) \
+      if (asprintf(&result, "%s/%s", env, path) == -1) { \
+        perror("asprintf"); \
+        exit(1); \
+      }
+
+    static char *getSaveDir(void) {
+      const char *env;
+      static char *result = NULL;
+
+      if (result == NULL) {
+        if ((env = getenv("XDG_DATA_HOME")) != NULL) {
+          CONCAT_ENV("grim-fandango");
+        } else if ((env = getenv("HOME")) != NULL) {
+          CONCAT_ENV(".local/share/grim-fandango");
+        } else {
+          fputs("Unable to determine XDG_DATA_HOME or HOME.\n", stderr);
+          exit(1);
+        }
+      }
+
+      return result;
+    }
+
+    static void makedirs(char *path)
+    {
+      int pathlen = strlen(path);
+
+      static int (*_mkdir) (const char *, mode_t) = NULL;
+      if (_mkdir == NULL) _mkdir = dlsym(RTLD_NEXT, "mkdir");
+
+      for (int i = 1; i < pathlen; ++i) {
+        if (path[i] == '/') {
+          path[i] = '\0';
+          _mkdir(path, 0777);
+          path[i] = '/';
+        }
+      }
+    }
+
+    static char *mkSavePath(const char *path)
+    {
+      int savelen, pathlen;
+      char *buf, *savedir;
+
+      savedir = getSaveDir();
+      savelen = strlen(savedir);
+      pathlen = strlen(path);
+      buf = malloc(savelen + pathlen + 1);
+      strncpy(buf, savedir, savelen);
+      strncpy(buf + savelen, path, pathlen + 1);
+
+      return buf;
+    }
+
+    int mkdir(const char *pathname, mode_t mode) {
+      return 0;
+    }
+
+    FILE *fopen64(const char *path, const char *mode) {
+      FILE *fp;
+      char *buf;
+
+      static FILE *(*_fopen) (const char *, const char *) = NULL;
+      if (_fopen == NULL) _fopen = dlsym(RTLD_NEXT, "fopen64");
+
+      if (strncmp(path, "./Saves/", 8) == 0) {
+        path += 7;
+        buf = mkSavePath(path);
+        if ((fp = _fopen(buf, mode)) == NULL) {
+          makedirs(buf);
+          fp = _fopen(buf, mode);
+        }
+        free(buf);
+        return fp;
+      }
+
+      return _fopen(path, mode);
+    }
+
+    DIR *opendir(const char *name) {
+      DIR *dp;
+      char *buf;
+
+      static DIR *(*_opendir) (const char *) = NULL;
+      if (_opendir == NULL) _opendir = dlsym(RTLD_NEXT, "opendir");
+
+      if (strncmp(name, "./Saves/", 8) == 0) {
+        name += 7;
+        buf = mkSavePath(name);
+        if ((dp = _opendir(buf)) == NULL) {
+          makedirs(buf);
+          dp = _opendir(buf);
+        }
+        free(buf);
+        return dp;
+      }
+
+      return _opendir(name);
+    }
+  '';
+
+  rpath = stdenv.lib.makeLibraryPath [
+    mesa stdenv.cc.cc libpulseaudio alsaLib.out SDL2 xorg.libX11
+  ];
+
+  buildPhase = ''
+    cc -Werror -Wall -std=gnu11 -shared "$preloader" -o preload.so -fPIC \
+      -DGRIM_DATADIR="\"$out/share/grim-fandango\""
+    patchelf --set-rpath "$rpath" bin/libchore.so
+    patchelf --set-rpath "$rpath" bin/libLua.so
+    patchelf \
+      --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
+      --add-needed "$out/libexec/grim-fandango/libgrim-preload.so" \
+      bin/GrimFandango
+    patchelf --replace-needed libSDL2-2.0.so.1 libSDL2.so bin/GrimFandango
+    patchelf --set-rpath "$out/libexec/grim-fandango:$rpath" bin/GrimFandango
+  '';
+
+  installPhase = ''
+    install -vsD preload.so "$out/libexec/grim-fandango/libgrim-preload.so"
+    install -vD bin/libchore.so "$out/libexec/grim-fandango/libchore.so"
+    install -vD bin/libLua.so "$out/libexec/grim-fandango/libLua.so"
+    install -vD bin/GrimFandango "$out/bin/grim-fandango"
+    if ldd "$out/bin/grim-fandango" | grep -F 'not found'; then exit 1; fi
+
+    mkdir -p "$out/share/grim-fandango"
+    find bin -maxdepth 1 -mindepth 1 \
+      \( -path bin/i386 \
+      -o -path bin/amd64 \
+      -o -path bin/common-licenses \
+      -o -path bin/scripts \
+      -o -path bin/GrimFandango \
+      -o -name '*.so' \
+      -o -name '*.so.*' \
+      -o -name '*.txt' \
+      \) -prune -o -print | xargs cp -vrt "$out/share/grim-fandango"
+  '';
+
+  dontStrip = true;
+  dontPatchELF = true;
+}