From 117f3ad6ae3fb6df54bc553bd1efbab080d39606 Mon Sep 17 00:00:00 2001 From: Michael Smith Date: Mon, 25 Apr 2022 04:24:52 +0100 Subject: Add engine_no_focus_sleep backport, fix codegen Default gamedata values actually work the way they're supposed to now. --- src/nosleep.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 src/nosleep.c (limited to 'src/nosleep.c') diff --git a/src/nosleep.c b/src/nosleep.c new file mode 100644 index 0000000..db206e0 --- /dev/null +++ b/src/nosleep.c @@ -0,0 +1,73 @@ +/* + * Copyright © 2022 Michael Smith + * + * 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 + +#include "con_.h" +#include "hook.h" +#include "factory.h" +#include "gamedata.h" +#include "os.h" +#include "vcall.h" + +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)); +} + +bool nosleep_init(void) { + struct con_var *v = con_findvar("engine_no_focus_sleep"); + if (v) return false; // no need! + con_reg(engine_no_focus_sleep); + // TODO(featgen): auto-check these factories + if (!factory_inputsystem) { + con_warn("nosleep: missing required factories\n"); + return false; + } + if (!gamedata_has_vtidx_SleepUntilInput) { + con_warn("nosleep: missing gamedata entries for this engine\n"); + return false; + } + void *insys = factory_inputsystem("InputSystemVersion001", 0); + if (!insys) { + con_warn("nosleep: couldn't get intput system interface\n"); + return false; + } + vtable = *(void ***)insys; + if (!os_mprot(vtable + gamedata_vtidx_SleepUntilInput, + sizeof(void *), PAGE_EXECUTE_READWRITE)) { + con_warn("nosleep: couldn't make memory writeable\n"); + return false; + } + orig_SleepUntilInput = (SleepUntilInput_func)hook_vtable(vtable, + gamedata_vtidx_SleepUntilInput, (void *)&hook_SleepUntilInput); + engine_no_focus_sleep->base.flags &= ~CON_HIDDEN; + return true; +} + +void nosleep_end(void) { + unhook_vtable(vtable, gamedata_vtidx_SleepUntilInput, + (void *)orig_SleepUntilInput); +} + +// vi: sw=4 ts=4 noet tw=80 cc=80 -- cgit v1.2.3