Hitmarker/Hitsound

# include <Windows.h>
#pragma comment(lib, "Winmm.lib")
class hitmarker
{
class player_hurt_listener
: public IGameEventListener2
{
public:
void start()
{
if (!g_pGameEventManager->AddListener(this, "player_hurt", false))
{
throw misc::exception("Failed to register the event");
}
}
void stop()
{
g_pGameEventManager->RemoveListener(this);
}
void FireGameEvent(IGameEvent*event) override
{
hitmarker::singleton()->on_fire_event(event);
}
int GetEventDebugID(void) override
{
return EVENT_DEBUG_ID_INIT /*0x2A*/;
}
};
public:
static hitmarker* singleton()
{
static hitmarker* instance = new hitmarker;
return instance;
}
void initialize()
{
_listener.start();
}
void on_fire_event(IGameEvent* event)
{
if (!strcmp(event->GetName(), "player_hurt"))
{
int attacker = event->GetInt("attacker");
if (g_pEngine->GetPlayerForUserID(attacker) == g_pEngine->GetLocalPlayer())
{
//g_pSurface->PlaySound doesnt work for some reason
PlaySoundA(_soundFileName, NULL, SND_ASYNC);
_flHurtTime = g_pGlobalVars->curtime;
}
}
}
void on_paint()
{
auto curtime = g_pGlobalVars->curtime;
auto lineSize = 8;
if (_flHurtTime + 0.25f >= curtime)
{
int screenSizeX, screenCenterX;
int screenSizeY, screenCenterY;
g_pEngine->GetScreenSize(screenSizeX, screenSizeY);
screenCenterX = screenSizeX / 2;
screenCenterY = screenSizeY / 2;
g_pSurface->DrawSetColor(200, 200, 200, 255);
g_pSurface->DrawLine(screenCenterX - lineSize, screenCenterY - lineSize, screenCenterX - (lineSize / 4), screenCenterY - (lineSize / 4));
g_pSurface->DrawLine(screenCenterX - lineSize, screenCenterY + lineSize, screenCenterX - (lineSize / 4), screenCenterY + (lineSize / 4));
g_pSurface->DrawLine(screenCenterX + lineSize, screenCenterY + lineSize, screenCenterX + (lineSize / 4), screenCenterY + (lineSize / 4));
g_pSurface->DrawLine(screenCenterX + lineSize, screenCenterY - lineSize, screenCenterX + (lineSize / 4), screenCenterY - (lineSize / 4));
}
}
private:
player_hurt_listener _listener;
const char* _soundFileName = "csgo\\sound\\hitsound.wav";
float _flHurtTime;
};


USAGE:
void __stdcall PaintTraverse(VPANEL vguiPanel, bool forceRepaint, bool allowForce)
{
static tPaintTraverse oPaintTraverse = g_pPanelHook->get_original<tPaintTraverse>(41);
static VPANEL targetPanel = 0;
if (!targetPanel)
{
if (!strcmp(g_pPanel->GetName(vguiPanel), "MatSystemTopPanel"))
{
targetPanel = vguiPanel;
}
}
else if (targetPanel == vguiPanel)
{
if (g_pEngine->IsInGame())
hitmarker::singleton()->on_paint();
}
return oPaintTraverse(g_pPanel, vguiPanel, forceRepaint, allowForce);
}
DWORD WINAPI DllLoad()
{
//
//bla bla bla boring initialization stuff
//
hitmarker::singleton()->initialize();
//
//bla bla bla boring initialization stuff
//
return TRUE;
}