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Add bxt_emit_sound (#83)
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* Add bxt_emit_sound

* switch to S_StartDynamicSound

* add windows pattern and change text

* Fix crash

* SV_StartSound is back as the option

* changes requested

* changes suggested

* changes requested

* changes requested
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@khanghugo
khanghugo authored Jul 28, 2024
1 parent 2a33154 commit 525e935
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Showing 3 changed files with 341 additions and 0 deletions.
97 changes: 97 additions & 0 deletions src/hooks/engine.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -484,6 +484,7 @@ pub static idum: Pointer<*mut c_int> = Pointer::empty(
// Not a real symbol name.
b"idum\0",
);
pub static listener_origin: Pointer<*mut [f32; 3]> = Pointer::empty(b"listener_origin\0");
pub static Memory_Init: Pointer<unsafe extern "C" fn(*mut c_void, c_int) -> c_int> =
Pointer::empty_patterns(
b"Memory_Init\0",
Expand Down Expand Up @@ -685,6 +686,51 @@ pub static S_PaintChannels: Pointer<unsafe extern "C" fn(c_int)> = Pointer::empt
]),
my_S_PaintChannels as _,
);
pub static S_PrecacheSound: Pointer<unsafe extern "C" fn(*const c_char) -> *mut sfx_s> =
Pointer::empty_patterns(
b"S_PrecacheSound\0",
// To find, search for "Cannot continue without sound". You are in CL_PrecacheResources().
// The string will be inside a condition block. That condition block is also inside
// another condition block. There are 3 calls inside the outer conditon block. The
// second call with one argument will be S_PrecacheSound().
Patterns(&[
// 8684
pattern!(55 8B EC A1 ?? ?? ?? ?? 56 85 C0 74 ?? D9 05),
]),
null_mut(),
);
pub static S_Say: Pointer<unsafe extern "C" fn()> = Pointer::empty_patterns(
b"S_Say\0",
// To find, search for "Start profiling 10,000 calls to DSP".
Patterns(&[
// 8684
pattern!(55 8B EC 81 EC 00 01 00 00 D9 05 ?? ?? ?? ?? D8 1D ?? ?? ?? ?? 53),
]),
null_mut(),
);
pub static S_StartDynamicSound: Pointer<
unsafe extern "C" fn(c_int, c_int, *mut sfx_s, *const c_float, c_float, c_float, c_int, c_int),
> = Pointer::empty_patterns(
b"S_StartDynamicSound\0",
// To find, search for "S_StartDynamicSound: ".
Patterns(&[
// 8684
pattern!(55 8B EC 83 EC 48 A1 ?? ?? ?? ?? 53),
]),
null_mut(),
);
pub static S_StopSound: Pointer<unsafe extern "C" fn(c_int, c_int)> = Pointer::empty_patterns(
b"S_StopSound\0",
// To find, search for "Voice - compress: ". You are in Voice_Idle(). Look an else block with
// exactly 1 line of 1 call inside with `1` as an argument. That will be Voice_EndChannel().
// Inside Voice_EndChannel(), there will be an if block with eaxctly 1 line of 1 call with 1
// argument. That will be VoiceSE_EndChannel() and it is a wrapper for S_StopSound() call.
Patterns(&[
// 8684
pattern!(55 8B EC A1 ?? ?? ?? ?? 57 BF 04 00 00 00),
]),
null_mut(),
);
pub static S_TransferStereo16: Pointer<unsafe extern "C" fn(c_int)> = Pointer::empty_patterns(
b"S_TransferStereo16\0",
// To find, find S_PaintChannels(), go into the last call before the while () condition in the
Expand Down Expand Up @@ -734,6 +780,14 @@ pub static SCR_DrawPause: Pointer<unsafe extern "C" fn()> = Pointer::empty_patte
pub static scr_fov_value: Pointer<*mut c_float> = Pointer::empty(b"scr_fov_value\0");
pub static shm: Pointer<*mut *mut dma_t> = Pointer::empty(b"shm\0");
pub static sv: Pointer<*mut c_void> = Pointer::empty(b"sv\0");
pub static sv_edicts: Pointer<*mut *mut edict_s> = Pointer::empty(
// Not a real symbol name.
b"sv_edicts\0",
);
pub static sv_num_edicts: Pointer<*mut c_int> = Pointer::empty(
// Not a real symbol name.
b"sv_num_edicts\0",
);
pub static svs: Pointer<*mut server_static_s> = Pointer::empty(b"svs\0");
pub static sv_areanodes: Pointer<*mut c_void> = Pointer::empty(b"sv_areanodes\0");
pub static SV_AddLinksToPM: Pointer<unsafe extern "C" fn(*mut c_void, *const [f32; 3])> =
Expand Down Expand Up @@ -795,6 +849,18 @@ pub static SV_RunCmd: Pointer<unsafe extern "C" fn(*mut usercmd_s, c_int)> =
]),
null_mut(),
);
pub static SV_StartSound: Pointer<
unsafe extern "C" fn(c_int, *mut edict_s, c_int, *const c_char, c_int, c_float, c_int, c_int),
> = Pointer::empty_patterns(
b"SV_StartSound\0",
// To find, search for "EMIT_SOUND: volume = ". You are in PF_sound_I(). The last call with `0`
// in its argument in that function will be SV_StartSound().
Patterns(&[
// 8684
pattern!(55 8B EC 83 EC 0C 53 8B 5D ?? 56 57 33 C9),
]),
null_mut(),
);
pub static Sys_VID_FlipScreen: Pointer<unsafe extern "C" fn()> = Pointer::empty_patterns(
b"_Z18Sys_VID_FlipScreenv\0",
// To find, search for "Sys_InitLauncherInterface()". Go into function right after the one that
Expand Down Expand Up @@ -971,6 +1037,7 @@ static POINTERS: &[&dyn PointerTrait] = &[
&hudGetViewAngles,
&idum,
&movevars,
&listener_origin,
&Memory_Init,
&Mem_Free,
&paintbuffer,
Expand All @@ -993,19 +1060,26 @@ static POINTERS: &[&dyn PointerTrait] = &[
&R_LoadSkys,
&R_PreDrawViewModel,
&S_PaintChannels,
&S_PrecacheSound,
&S_Say,
&S_StartDynamicSound,
&S_StopSound,
&S_TransferStereo16,
&SCR_DrawLoading,
&SCR_DrawPause,
&scr_fov_value,
&shm,
&sv,
&sv_edicts,
&sv_num_edicts,
&svs,
&sv_areanodes,
&SV_AddLinksToPM,
&SV_AddLinksToPM_,
&SV_ExecuteClientMessage,
&SV_Frame,
&SV_RunCmd,
&SV_StartSound,
&Sys_VID_FlipScreen,
&Sys_VID_FlipScreen_old,
&tri,
Expand Down Expand Up @@ -1227,6 +1301,14 @@ pub struct ref_params_s {
pub waterlevel: c_int,
}

#[repr(C)]
#[derive(Debug, Clone, Copy)]
pub struct sfx_s {
pub name: [c_char; 64],
pub cache: *mut c_void,
pub servercount: c_int,
}

impl SCREENINFO {
pub const fn zeroed() -> Self {
Self {
Expand Down Expand Up @@ -1423,6 +1505,8 @@ unsafe fn find_pointers(marker: MainThreadMarker) {
r_refdef_vieworg.set(marker, r_refdef.offset(marker, 112));
r_refdef_viewangles.set(marker, r_refdef_vieworg.offset(marker, 12));
client_s_edict_offset.set(marker, Some(19076));
sv_edicts.set(marker, sv.offset(marker, 244824));
sv_num_edicts.set(marker, sv.offset(marker, 0x3bc50));

for pointer in POINTERS {
pointer.log(marker);
Expand Down Expand Up @@ -1627,12 +1711,16 @@ pub unsafe fn find_pointers(marker: MainThreadMarker, base: *mut c_void, size: u
// 6153
Some(0) => {
sv.set(marker, ptr.by_offset(marker, 19));
sv_edicts.set(marker, sv.offset(marker, 0x3bc60));
sv_num_edicts.set(marker, sv.offset(marker, 0x3bc58));
cls.set(marker, ptr.by_offset(marker, 69));
Con_Printf.set_if_empty(marker, ptr.by_relative_call(marker, 33));
}
// CoF-5936
Some(1) => {
sv.set(marker, ptr.by_offset(marker, 50));
sv_edicts.set(marker, sv.offset(marker, 0x52160));
sv_num_edicts.set(marker, sv.offset(marker, 0x52158));
cls.set(marker, ptr.by_offset(marker, 105));
Con_Printf.set_if_empty(marker, ptr.by_relative_call(marker, 34));
}
Expand Down Expand Up @@ -1788,6 +1876,15 @@ pub unsafe fn find_pointers(marker: MainThreadMarker, base: *mut c_void, size: u
_ => (),
}

let ptr = &S_Say;
match ptr.pattern_index(marker) {
// 8684
Some(0) => {
listener_origin.set(marker, ptr.by_offset(marker, 335));
}
_ => (),
}

let ptr = &S_TransferStereo16;
match ptr.pattern_index(marker) {
// 6153
Expand Down
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