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Use signature instead of doing netprop±offset (#1158)

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NukoOoOoOoO 2022-07-26 02:47:25 +08:00 committed by GitHub
parent 578636d528
commit 21c6204062
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2 changed files with 44 additions and 72 deletions
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41
addons/sourcemod/gamedata/shavit.games.txt
View File

@ -44,6 +44,14 @@
"csgo"
{
"Addresses"
{
"m_surfaceFriction"
{
"signature" "CBasePlayer->m_surfaceFriction"
"read" "4" // skip the first 4 bytes
}
}
"Offsets"
{
// search string: "func_pushable" and you can find CBaseTrigger::PassesTriggerFilters / CBaseVPhysicsTrigger::PassesTriggerFilters. Follow references to these functions to find the vtable and then calculate the offset...
@ -134,11 +142,30 @@
"windows" "\x55\x8B\xEC\x83\xEC\x0C\x57\x8B\xF9\x8B\x87\x2A\x2A\x2A\x2A\xD1\xE8\xA8\x01\x0F\x84"
"linux" "\x55\x89\xE5\x57\x56\x53\x83\xEC\x5C\x8B\x55\x08\xC7\x44\x24\x2A\x2A\x2A\x2A\x2A\x89\x14\x24\xE8"
}
// search string: "sv_friction", look for instruction like this: "mov some_register, offset sv_friction_cvar"
// xref sv_friction_cvar, look for the place that it gets called and has this:
// *(float*)(a1[1] + some_offset) * (float(__thiscall)(void*))(*(uintptr_t*)sv_friction + GetFloatIndex*sizeof(void*))(sv_friction)
// make a signature for some_offset
// if it's unclear: https://youtu.be/xiNQ00X4R_I
"CBasePlayer->m_surfaceFriction"
{
"windows" "\xF3\x0F\x10\x80\x2A\x2A\x2A\x2A\xF3\x0F\x59\x45\x2A\xF3\x0F\x11\x45"
"linux" "\xF3\x0F\x59\xB2\x2A\x2A\x2A\x2A\xF3\x0F\x59\xF0"
}
}
}
"cstrike"
{
"Addresses"
{
"m_surfaceFriction"
{
"signature" "CBasePlayer->m_surfaceFriction"
"read" "2" // skip the first 2 bytes
}
}
"Offsets"
{
// https://asherkin.github.io/vtable/
@ -174,12 +201,6 @@
"windows" "358"
"linux" "359"
}
// TODO
"m_surfaceFriction"
{
"windows" "104"
"linux" "104"
}
// find in CCSGameMovement::CheckForLadders which references CCSPlayer::CanGrabLadder
"CCSPlayer::m_lastStandingPos"
{
@ -266,6 +287,14 @@
"windows" "\x55\x8B\xEC\x83\xEC\x08\x57\x8B\x7D\x08\x8B\x87\x2A\x2A\x2A\x2A\xD1\xE8\xA8\x01\x0F\x84"
"linux" "@_ZN11CBaseEntity24PhysicsRemoveTouchedListEPS_"
}
// look for function CGameMovement::CategorizePosition
// and you will see something something *(_DWORD*)(a1[1] + some_offset) = 0x3F800000
// make a signature at "mov dword ptr[eax+some_offset], 3F800000h"
"CBasePlayer->m_surfaceFriction"
{
"windows" "\xC7\x80\x2A\x2A\x2A\x2A\x2A\x2A\x2A\x2A\x8B\x07\xFF\x90"
"linux" "\xC7\x80\x2A\x2A\x2A\x2A\x2A\x2A\x2A\x2A\x8B\x03\x89\x1C\x24\xFF\x90\x2A\x2A\x2A\x2A\x8B\x53\x04"
}
}
}

75
addons/sourcemod/scripting/shavit-tas.sp
View File

@ -114,9 +114,16 @@ public void OnPluginStart()
GameData gamedata = new GameData("shavit.games");
if ((g_iSurfaceFrictionOffset = gamedata.GetOffset("m_surfaceFriction")) == -1)
Address surfaceFrctionAddress = gamedata.GetAddress("m_surfaceFriction");
if (surfaceFrctionAddress == Address_Null)
{
LogError("[XUTAX] Invalid offset supplied, defaulting friction values");
g_iSurfaceFrictionOffset = -1;
LogError("[XUTAX] The address of m_surfaceFriction is null, defaulting friction values");
}
else
{
g_iSurfaceFrictionOffset = view_as<int>(surfaceFrctionAddress);
}
delete gamedata;
@ -127,18 +134,6 @@ public void OnPluginStart()
ConVar sv_air_max_wishspeed = FindConVar("sv_air_max_wishspeed");
sv_air_max_wishspeed.AddChangeHook(OnWishSpeedChanged);
g_flAirSpeedCap = sv_air_max_wishspeed.FloatValue;
if (g_iSurfaceFrictionOffset != -1)
{
g_iSurfaceFrictionOffset = FindSendPropInfo("CBasePlayer", "m_ubEFNoInterpParity") - g_iSurfaceFrictionOffset;
}
}
else
{
if (g_iSurfaceFrictionOffset != -1)
{
g_iSurfaceFrictionOffset += FindSendPropInfo("CBasePlayer", "m_szLastPlaceName");
}
}
AddCommandListener(CommandListener_Toggler, "+autostrafer");
@ -163,7 +158,6 @@ public void OnPluginStart()
RegConsoleCmd("sm_tasm", Command_TasSettingsMenu, "Opens the TAS settings menu.");
RegConsoleCmd("sm_tasmenu", Command_TasSettingsMenu, "Opens the TAS settings menu.");
RegAdminCmd("sm_xutax_scan", Command_ScanOffsets, ADMFLAG_CHEATS, "Scan for possible offset locations");
//Convar.AutoExecConfig();
@ -616,50 +610,6 @@ public Action OnPlayerRunCmd(int client, int& buttons, int& impulse, float vel[3
return Plugin_Continue;
}
stock void FindNewFrictionOffset(int client, bool logOnly = false)
{
if (gEV_Type == Engine_CSGO)
{
int startingOffset = FindSendPropInfo("CBasePlayer", "m_ubEFNoInterpParity");
for (int i = 16; i >= -128; --i)
{
float friction = GetEntDataFloat(client, startingOffset + i);
if (friction == 0.25 || friction == 1.0)
{
if (logOnly)
{
PrintToConsole(client, "Found offset canidate: %i", i * -1);
}
else
{
g_iSurfaceFrictionOffset = startingOffset - i;
LogError("[XUTAX] Current offset is out of date. Please update to new offset: %i", i * -1);
}
}
}
}
else
{
int startingOffset = FindSendPropInfo("CBasePlayer", "m_szLastPlaceName");
for (int i = 1; i <= 128; ++i)
{
float friction = GetEntDataFloat(client, startingOffset + i);
if (friction == 0.25 || friction == 1.0)
{
if(logOnly)
{
PrintToConsole(client, "Found offset canidate: %i", i);
}
else
{
g_iSurfaceFrictionOffset = startingOffset + i;
LogError("[XUTAX] Current offset is out of date. Please update to new offset: %i", i);
}
}
}
}
}
void OpenTasSettingsMenu(int client, int pos=0)
{
char display[64];
@ -890,13 +840,6 @@ public Action Command_TasSettingsMenu(int client, int args)
return Plugin_Handled;
}
public Action Command_ScanOffsets(int client, int args)
{
FindNewFrictionOffset(client, .logOnly = true);
return Plugin_Handled;
}
// natives
public any Native_SetAutostrafeEnabled(Handle plugin, int numParams)
{