forked from 0ad/0ad
82 lines
1.6 KiB
C++
Executable File
82 lines
1.6 KiB
C++
Executable File
#include "precompiled.h"
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#include "res.h"
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#include "file.h"
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#ifdef _WIN32
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#include "sysdep/win/wfam.h"
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#else
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#include <fam.h>
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#endif
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int res_reload(const char* const fn)
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{
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return h_reload(fn);
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}
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static FAMConnection fc;
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static bool initialized;
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// path: portable and relative, must add current directory and convert to native
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// better to use a cached string from rel_chdir - secure
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int res_watch_dir(const char* const path, uint* const reqnum)
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{
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if(!initialized)
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{
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CHECK_ERR(FAMOpen2(&fc, "lib_res"));
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atexit2((void *)FAMClose, (uintptr_t)&fc);
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initialized = true;
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}
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char n_full_path[PATH_MAX];
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CHECK_ERR(file_make_native_path(path, n_full_path));
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FAMRequest req;
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if(FAMMonitorDirectory(&fc, n_full_path, &req, (void*)0) < 0)
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return -1; // no way of getting error?
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*reqnum = req.reqnum;
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return 0;
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}
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int res_cancel_watch(const uint reqnum)
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{
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if(!initialized)
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{
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debug_warn("res_cancel_watch before res_watch_dir");
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return -1;
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}
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FAMRequest req;
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req.reqnum = reqnum;
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return FAMCancelMonitor(&fc, &req);
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}
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// purpose of this routine (intended to be called once a frame):
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// file notification may come at any time. by forcing the reloads
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// to take place here, we don't require everything to be thread-safe.
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int res_reload_changed_files()
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{
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if(!initialized)
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return -1;
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FAMEvent e;
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while(FAMPending(&fc) > 0)
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if(FAMNextEvent(&fc, &e) == 0)
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{
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char path[PATH_MAX];
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char vfs_path[VFS_MAX_PATH];
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CHECK_ERR(file_make_portable_path(e.filename, path));
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CHECK_ERR(vfs_get_path(path, vfs_path));
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res_reload(vfs_path);
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}
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return 0;
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}
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