ref: 309a199f761549c53219e88a1040948a1b9a71f9
parent: 69cd2345e29316f8bfb247b2f1f97c4076b47d27
author: Simon Howard <fraggle@gmail.com>
date: Mon Aug 6 21:19:49 EDT 2007
Autodetect IWADs installed by Steam. Subversion-branch: /trunk/chocolate-doom Subversion-revision: 945
--- a/src/d_iwad.c
+++ b/src/d_iwad.c
@@ -140,6 +140,24 @@
"Ultimate Doom",
};
+// Location where Steam is installed
+
+static registry_value_t steam_install_location =
+{+ HKEY_LOCAL_MACHINE,
+ "Software\\Valve\\Steam",
+ "InstallPath",
+};
+
+// Subdirs of the steam install directory where IWADs are found
+
+static char *steam_install_subdirs[] =
+{+ "steamapps\\common\\doom 2",
+ "steamapps\\common\\ultimate doom",
+ "steamapps\\common\\final doom\\base",
+};
+
static char *GetRegistryString(registry_value_t *reg_val)
{HKEY key;
@@ -251,6 +269,41 @@
free(install_path);
}
+
+// Check for Doom downloaded via Steam
+
+static void CheckSteamEdition(void)
+{+ char *install_path;
+ char *subpath;
+ int i;
+
+ install_path = GetRegistryString(&steam_install_location);
+
+ if (install_path == NULL)
+ {+ return;
+ }
+
+ for (i=0; i<arrlen(steam_install_subdirs); ++i)
+ {+ subpath = malloc(strlen(install_path)
+ + strlen(steam_install_subdirs[i]) + 5);
+
+ sprintf(subpath, "%s%s", install_path, steam_install_subdirs[i]);
+
+ if (M_FileExists(subpath))
+ {+ AddIWADDir(subpath);
+ }
+ else
+ {+ free(subpath);
+ }
+ }
+}
+
+
#endif
static struct
@@ -417,6 +470,7 @@
CheckUninstallStrings();
CheckCollectorsEdition();
+ CheckSteamEdition();
#else