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/*
* Copyright © 2024 Michael Smith <mikesmiffy128@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "con_.h"
#include "engineapi.h"
#include "errmsg.h"
#include "feature.h"
#include "gamedata.h"
#include "hook.h"
#include "langext.h"
#include "mem.h"
#include "os.h"
#include "vcall.h"
FEATURE("inactive window sleep adjustment")
REQUIRE_GAMEDATA(vtidx_SleepUntilInput)
REQUIRE_GLOBAL(inputsystem)
DEF_CVAR_UNREG(engine_no_focus_sleep,
"Delay while tabbed out (SST reimplementation)", 50,
CON_ARCHIVE | CON_HIDDEN)
static void **vtable;
typedef void (*VCALLCONV SleepUntilInput_func)(void *this, int timeout);
static SleepUntilInput_func orig_SleepUntilInput;
static void VCALLCONV hook_SleepUntilInput(void *this, int timeout) {
orig_SleepUntilInput(this, con_getvari(engine_no_focus_sleep));
}
PREINIT {
if (con_findvar("engine_no_focus_sleep")) return false;
con_reg(engine_no_focus_sleep);
return true;
}
INIT {
vtable = mem_loadptr(inputsystem);
if_cold (!os_mprot(vtable + vtidx_SleepUntilInput, sizeof(void *),
PAGE_READWRITE)) {
errmsg_errorx("couldn't make virtual table writable");
return false;
}
orig_SleepUntilInput = (SleepUntilInput_func)hook_vtable(vtable,
vtidx_SleepUntilInput, (void *)&hook_SleepUntilInput);
engine_no_focus_sleep->base.flags &= ~CON_HIDDEN;
return true;
}
END {
unhook_vtable(vtable, vtidx_SleepUntilInput, (void *)orig_SleepUntilInput);
}
// vi: sw=4 ts=4 noet tw=80 cc=80
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