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feat: Force paint in non-paint maps #369

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feat: Force paint in non-paint maps #369

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4008bee
feat: Force paint in non-paint maps
KiIoOnline Jun 29, 2026
814870b
fix: Restore on Shutdown
KiIoOnline Jun 29, 2026
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36 changes: 36 additions & 0 deletions src/Cheats.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ Variable sar_disable_viewmodel_shadows("sar_disable_viewmodel_shadows", "0", 0,
Variable sar_floor_reportals("sar_floor_reportals", "0", "Toggles floor reportals. Requires cheats.\n", FCVAR_CHEAT);
Variable sar_loads_coop_dots("sar_loads_coop_dots", "0", "Toggles the loading screen dots during map transitions in coop.\n");
Variable sar_disable_autograb("sar_disable_autograb", "0", 0, 1, "Disables the auto-grab in coop. Requires host to enable it for everyone that also enables it.\n");
Variable sar_force_enable_paint_in_map("sar_force_enable_paint_in_map", "0", 0, 1, "Forces paint to be enabled on next map load.\n");

Variable sv_laser_cube_autoaim;
Variable ui_loadingscreen_transition_time;
Expand Down Expand Up @@ -258,6 +259,7 @@ ON_EVENT(RENDER) {
ON_EVENT(PRE_TICK) {
Cheats::CheckUICoopDots();
Cheats::CheckAutoGrab();
Cheats::CheckPaintInMap();
}

CON_COMMAND(sar_getpos, "sar_getpos [slot] [server|client] - get the absolute origin and angles of a particular player from either the server or client. Defaults to slot 0 and server.\n") {
Expand Down Expand Up @@ -332,6 +334,7 @@ Memory::Patch *g_coopLoadingDotsPatch;
Memory::Patch *g_autoGrabPatchServer;
Memory::Patch *g_autoGrabPatchClient;
Memory::Patch *g_promoFlagsPatch;
Memory::Patch *g_forcePaintInMap;

void Cheats::Init() {
sv_laser_cube_autoaim = Variable("sv_laser_cube_autoaim");
Expand Down Expand Up @@ -408,6 +411,14 @@ void Cheats::Init() {
g_promoFlagsPatch->Restore();
}

g_forcePaintInMap = new Memory::Patch();
auto paintInMapBool = Memory::Scan(MODULE("engine"), Offsets::CM_RegisterPaintMap_PaintCheck);
if (paintInMapBool) {
unsigned char forcePaintBytes[] = {0xB1, 0x01};
g_forcePaintInMap->Execute(paintInMapBool, forcePaintBytes, 2);
g_forcePaintInMap->Restore();
}

Variable::RegisterAll();
Command::RegisterAll();
}
Expand All @@ -433,6 +444,8 @@ void Cheats::Shutdown() {
SAFE_DELETE(g_autoGrabPatchClient);
g_promoFlagsPatch->Restore();
SAFE_DELETE(g_promoFlagsPatch);
g_forcePaintInMap->Restore();
SAFE_DELETE(g_forcePaintInMap);
}


Expand Down Expand Up @@ -634,3 +647,26 @@ CON_COMMAND_F_COMPLETION(sar_set_promo_items_state, "sar_set_promo_items_state <
g_promoFlagsPatch->Restore();
g_promoFlagsPatch->Execute(&targetFlags, 1);
}

void Cheats::CheckPaintInMap() {
bool enabled = sar_force_enable_paint_in_map.GetBool();
if (enabled && (!g_forcePaintInMap || !g_forcePaintInMap->IsInit())) {
console->Print("sar_force_enable_paint_in_map is not available.\n");
sar_force_enable_paint_in_map.SetValue(0);
return;
}
if (!sv_cheats.GetBool() && enabled) {
console->Print("sar_force_enable_paint_in_map requires sv_cheats 1.\n");
sar_force_enable_paint_in_map.SetValue(0);
enabled = false;
}
if (enabled == g_forcePaintInMap->IsPatched()) {
return;
}

if (enabled) {
g_forcePaintInMap->Execute();
} else {
g_forcePaintInMap->Restore();
}
}
2 changes: 2 additions & 0 deletions src/Cheats.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ class Cheats {
static void CheckFloorReportals();
static void CheckUICoopDots();
static void CheckAutoGrab();
static void CheckPaintInMap();
};

extern Variable sar_autorecord;
Expand All @@ -37,6 +38,7 @@ extern Variable sar_disable_viewmodel_shadows;
extern Variable sar_floor_reportals;
extern Variable sar_loads_coop_dots;
extern Variable sar_disable_autograb;
extern Variable sar_force_enable_paint_in_map;

extern Variable sv_laser_cube_autoaim;
extern Variable ui_loadingscreen_transition_time;
Expand Down
2 changes: 2 additions & 0 deletions src/Offsets/Portal 2 9568.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -469,6 +469,8 @@ SIGSCAN_DEFAULT(Cmd_ShutdownSig, "6A 00 68 ? ? ? ? E8 ? ? ? ? E8 ? ? ? ?",
"C7 44 24 04 00 00 00 00 C7 04 24 ? ? ? ? E8 ? ? ? ? E8 ? ? ? ? C7")
OFFSET_DEFAULT(Cmd_ShutdownOff, 3, 11)
OFFSET_DEFAULT(Cmd_ShutdownOff2, 10, 10)
SIGSCAN_DEFAULT(CM_RegisterPaintMap_PaintCheck, "32 C9 85 C0",
"") // TODO: Linux support. ("paintinmap" -> xref -> CM_RegisterPaintMap -> xor instruction)


// EngineDemoRecorder
Expand Down
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