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#include "pch.h"
#include "hooks.h"
#include "debugoverlay.h"
#include "dedicated.h"
#include "cvar.h"
struct Vector3
{
float x, y, z;
};
struct QAngle
{
float x, y, z, w;
};
enum OverlayType_t
{
OVERLAY_BOX = 0,
OVERLAY_SPHERE,
OVERLAY_LINE,
OVERLAY_TRIANGLE,
OVERLAY_SWEPT_BOX,
OVERLAY_BOX2,
OVERLAY_CAPSULE
};
struct OverlayBase_t
{
OverlayBase_t()
{
m_Type = OVERLAY_BOX;
m_nServerCount = -1;
m_nCreationTick = -1;
m_flEndTime = 0.0f;
m_pNextOverlay = NULL;
}
OverlayType_t m_Type; // What type of overlay is it?
int m_nCreationTick; // Duration -1 means go away after this frame #
int m_nServerCount; // Latch server count, too
float m_flEndTime; // When does this box go away
OverlayBase_t* m_pNextOverlay;
__int64 m_pUnk;
};
struct OverlayLine_t : public OverlayBase_t
{
OverlayLine_t()
{
m_Type = OVERLAY_LINE;
}
Vector3 origin;
Vector3 dest;
int r;
int g;
int b;
int a;
bool noDepthTest;
};
struct OverlayBox_t : public OverlayBase_t
{
OverlayBox_t()
{
m_Type = OVERLAY_BOX;
}
Vector3 origin;
Vector3 mins;
Vector3 maxs;
QAngle angles;
int r;
int g;
int b;
int a;
};
// this is in cvar.h, don't need it here
/*class Color
{
public:
Color(int r, int g, int b, int a)
{
_color[0] = (unsigned char)r;
_color[1] = (unsigned char)g;
_color[2] = (unsigned char)b;
_color[3] = (unsigned char)a;
}
private:
unsigned char _color[4];
};*/
static HMODULE sEngineModule;
typedef void (*DrawOverlayType)(OverlayBase_t* a1);
DrawOverlayType DrawOverlay;
typedef void (*RenderLineType)(Vector3 v1, Vector3 v2, Color c, bool bZBuffer);
static RenderLineType RenderLine;
typedef void (*RenderBoxType)(Vector3 vOrigin, QAngle angles, Vector3 vMins, Vector3 vMaxs, Color c, bool bZBuffer, bool bInsideOut);
static RenderBoxType RenderBox;
static RenderBoxType RenderWireframeBox;
// engine.dll+0xABCB0
void __fastcall DrawOverlayHook(OverlayBase_t* pOverlay)
{
EnterCriticalSection((LPCRITICAL_SECTION)((char*)sEngineModule + 0x10DB0A38)); // s_OverlayMutex
void* pMaterialSystem = *(void**)((char*)sEngineModule + 0x14C675B0);
switch (pOverlay->m_Type)
{
case OVERLAY_LINE:
{
OverlayLine_t* pLine = static_cast<OverlayLine_t*>(pOverlay);
RenderLine(pLine->origin, pLine->dest, Color(pLine->r, pLine->g, pLine->b, pLine->a), pLine->noDepthTest);
}
break;
case OVERLAY_BOX:
{
OverlayBox_t* pCurrBox = static_cast<OverlayBox_t*>(pOverlay);
if (pCurrBox->a > 0)
{
RenderBox(
pCurrBox->origin,
pCurrBox->angles,
pCurrBox->mins,
pCurrBox->maxs,
Color(pCurrBox->r, pCurrBox->g, pCurrBox->b, pCurrBox->a),
false,
false);
}
if (pCurrBox->a < 255)
{
RenderWireframeBox(
pCurrBox->origin,
pCurrBox->angles,
pCurrBox->mins,
pCurrBox->maxs,
Color(pCurrBox->r, pCurrBox->g, pCurrBox->b, 255),
false,
false);
}
}
break;
}
LeaveCriticalSection((LPCRITICAL_SECTION)((char*)sEngineModule + 0x10DB0A38));
}
ON_DLL_LOAD_CLIENT_RELIESON("engine.dll", DebugOverlay, ConVar, (HMODULE baseAddress)
{
HookEnabler hook;
ENABLER_CREATEHOOK(hook, (char*)baseAddress + 0xABCB0, &DrawOverlayHook, reinterpret_cast<LPVOID*>(&DrawOverlay));
RenderLine = reinterpret_cast<RenderLineType>((char*)baseAddress + 0x192A70);
RenderBox = reinterpret_cast<RenderBoxType>((char*)baseAddress + 0x192520);
RenderWireframeBox = reinterpret_cast<RenderBoxType>((char*)baseAddress + 0x193DA0);
sEngineModule = baseAddress;
// not in g_pCVar->FindVar by this point for whatever reason, so have to get from memory
ConVar* Cvar_enable_debug_overlays = (ConVar*)((char*)baseAddress + 0x10DB0990);
Cvar_enable_debug_overlays->SetValue(false);
Cvar_enable_debug_overlays->m_pszDefaultValue = (char*)"0";
Cvar_enable_debug_overlays->AddFlags(FCVAR_CHEAT);
})
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