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Replace IPanel::PaintTraverse hook with IEngineVGui::Paint.

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* Add example watermark text in bottom-right corner.

Signed-off-by: aixxe <me@aixxe.net>
This commit is contained in:
aixxe
2016-12-23 12:13:39 +00:00
parent f94aaad6c3
commit c1738ce42b
6 changed files with 90 additions and 22 deletions
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22
src/Basehook.cpp
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@@ -24,6 +24,7 @@
ICvar* cvar = nullptr;
IPanel* panel = nullptr;
ISurface* matsurface = nullptr;
IEngineVGui* enginevgui = nullptr;
IVModelInfoClient* modelinfo = nullptr;
ILauncherMgr* launchermgr = nullptr;
IInputSystem* inputsystem = nullptr;
@@ -41,9 +42,12 @@ CGlobalVarsBase* globalvars = nullptr;
CRC32_ProcessBufferFn CRC32_ProcessBuffer = NULL;
StartDrawing_t StartDrawing = NULL;
FinishDrawing_t FinishDrawing = NULL;
std::unique_ptr<VMTHook> sdl_hook;
std::unique_ptr<VMTHook> panel_hook;
std::unique_ptr<VMTHook> clientdll_hook;
std::unique_ptr<VMTHook> enginevgui_hook;
std::unique_ptr<VMTHook> modelrender_hook;
std::unique_ptr<VMTHook> inputinternal_hook;
@@ -52,6 +56,7 @@ extern "C" void __attribute__((constructor)) css_basehook_open() {
cvar = GetInterface<ICvar>("bin/libvstdlib.so", "VEngineCvar0");
panel = GetInterface<IPanel>("bin/vgui2.so", "VGUI_Panel0");
matsurface = GetInterface<ISurface>("bin/vguimatsurface.so", "VGUI_Surface0");
enginevgui = GetInterface<IEngineVGui>("bin/engine.so", "VEngineVGui0");
modelinfo = GetInterface<IVModelInfoClient>("bin/engine.so", "VModelInfoClient0");
inputsystem = GetInterface<IInputSystem>("bin/inputsystem.so", "InputSystemVersion0");
inputinternal = GetInterface<IInputInternal>("bin/vgui2.so", "VGUI_InputInternal0");
@@ -73,9 +78,18 @@ extern "C" void __attribute__((constructor)) css_basehook_open() {
clientdll_hook->HookFunction(reinterpret_cast<void*>(Hooks::CreateMove), 21);
clientdll_hook->HookFunction(reinterpret_cast<void*>(Hooks::FrameStageNotify), 35);
// Hook 'PaintTraverse' from IPanel.
panel_hook = std::make_unique<VMTHook>(panel);
panel_hook->HookFunction(reinterpret_cast<void*>(Hooks::PaintTraverse), 42);
// Scan for 'StartDrawing' and 'FinishDrawing' from CMatSystemSurface.
StartDrawing = reinterpret_cast<StartDrawing_t>(
FindPattern("bin/vguimatsurface.so", "\x55\x89\xE5\x53\x83\xEC\x74\x80\x3D\x00\x00\x00\x00\x00", "xxxxxxxxx????x")
);
FinishDrawing = reinterpret_cast<FinishDrawing_t>(
FindPattern("bin/vguimatsurface.so", "\x55\x89\xE5\x53\x83\xEC\x24\xC7\x04\x00\x00\x00\x00\x00\xE8\x00\x00\x00\x00\xA1", "xxxxxxxxx????xx????x")
);
// Hook 'Paint' from IEngineVGui.
enginevgui_hook = std::make_unique<VMTHook>(enginevgui);
enginevgui_hook->HookFunction(reinterpret_cast<void*>(Hooks::Paint), 14);
// Hook 'DrawModelExecute' from IVModelRender.
modelrender_hook = std::make_unique<VMTHook>(modelrender);