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Fix engine draw on windows (#26)

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F1ssi0N 2018-03-23 10:29:02 +00:00 committed by GitHub
parent fd9f56c58d
commit c3404b5ef4
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 4 deletions
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10
src/hooks/engine_vgui.cc
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@ -3,6 +3,7 @@
#include <sdk/draw.hh>
#include <sdk/hooks.hh>
#include <sdk/log.hh>
#include <sdk/platform.hh>
#include <sdk/sdk.hh>
using namespace sdk;
@ -13,7 +14,12 @@ hooks::HookFunction<EngineVgui, 0> *engine_vgui_hook;
using StartDrawing = void(__thiscall *)(void *);
using FinishDrawing = void(__thiscall *)(void *);
void hooked_paint(EngineVgui *instance, u32 paint_method) {
#if doghook_platform_windows()
void __fastcall hooked_paint(EngineVgui *instance, void *edx, u32 paint_method)
#else
void hooked_paint(EngineVgui *instance, u32 paint_method)
#endif
{
engine_vgui_hook->call_original<void>(paint_method);
if (paint_method & 1) {
@ -27,7 +33,7 @@ void hooked_paint(EngineVgui *instance, u32 paint_method) {
void init_all() {
// hook up
engine_vgui_hook = new hooks::HookFunction<EngineVgui, 0>(IFace<EngineVgui>().get(), 14, 14, 14, reinterpret_cast<void *>(&hooked_paint));
engine_vgui_hook = new hooks::HookFunction<EngineVgui, 0>(IFace<EngineVgui>().get(), 13, 14, 14, reinterpret_cast<void *>(&hooked_paint));
}
void shutdown_all() {

6
src/sdk/draw.cc
View File

@ -73,11 +73,13 @@ void start() {
assert(is_surface());
using StartDrawing = void(__thiscall *)(Surface *);
// look for -pixel_offset_x
static StartDrawing start_drawing = []() -> auto {
if constexpr (doghook_platform::linux()) {
return signature::find_pattern<StartDrawing>("vguimatsurface", "55 89 E5 53 81 EC 94 00 00 00", 0);
} else if constexpr (doghook_platform::windows()) {
return nullptr;
return signature::find_pattern<StartDrawing>("vguimatsurface", "55 8B EC 64 A1 ? ? ? ? 6A FF 68 ? ? ? ? 50 64 89 25 ? ? ? ? 83 EC 14", 0);
}
}
();
@ -94,7 +96,7 @@ void finish() {
if constexpr (doghook_platform::linux()) {
return signature::find_pattern<FinishDrawing>("vguimatsurface", "55 89 E5 53 83 EC 24 C7 04 24 00 00 00 00", 0);
} else if constexpr (doghook_platform::windows()) {
return nullptr;
return signature::find_pattern<FinishDrawing>("vguimatsurface", "55 8B EC 6A FF 68 ? ? ? ? 64 A1 ? ? ? ? 50 64 89 25 ? ? ? ? 51 56 6A 00", 0);
}
}
();