Server: WRITE_FLOAT, remove type punning with union

src/game/server/enginecallback.h

@@ -82,6 +82,18 @@ inline void MESSAGE_BEGIN(int msg_dest, int msg_type, const float *pOrigin = NUL
 #define WRITE_COORD      (*g_engfuncs.pfnWriteCoord)
 #define WRITE_STRING     (*g_engfuncs.pfnWriteString)
 #define WRITE_ENTITY     (*g_engfuncs.pfnWriteEntity)
+
+inline void WRITE_FLOAT(float val)
+{
+	char bytes[sizeof(val)];
+	std::memcpy(bytes, &val, sizeof(bytes));
+
+	for (int i = 0; i < sizeof(bytes); i++)
+	{
+		g_engfuncs.pfnWriteByte(bytes[i]);
+	}
+}
+
 #define CVAR_REGISTER    (*g_engfuncs.pfnCVarRegister)
 #define CVAR_GET_FLOAT   (*g_engfuncs.pfnCVarGetFloat)
 #define CVAR_GET_STRING  (*g_engfuncs.pfnCVarGetString)
@@ -91,6 +103,7 @@ inline void MESSAGE_BEGIN(int msg_dest, int msg_type, const float *pOrigin = NUL
 #define ALERT            (*g_engfuncs.pfnAlertMessage)
 #define ENGINE_FPRINTF   (*g_engfuncs.pfnEngineFprintf)
 #define ALLOC_PRIVATE    (*g_engfuncs.pfnPvAllocEntPrivateData)
+
 inline void *GET_PRIVATE(edict_t *pent)
 {
 	if (pent)

src/game/server/player.cpp

@@ -4105,23 +4105,11 @@ void CBasePlayer ::UpdateClientData(void)
 				int g = clamp(int(pFog->pev->rendercolor[1]), 0, 255);
 				int b = clamp(int(pFog->pev->rendercolor[2]), 0, 255);
 
-				union
-				{
-					float f;
-					char b[4];
-
-				} density;
-
-				density.f = pFog->m_fDensity;
-
 				MESSAGE_BEGIN(MSG_ONE, gmsgFog, nullptr, pev);
 				WRITE_BYTE(r);
 				WRITE_BYTE(g);
 				WRITE_BYTE(b);
-				WRITE_BYTE(density.b[0]);
-				WRITE_BYTE(density.b[1]);
-				WRITE_BYTE(density.b[2]);
-				WRITE_BYTE(density.b[3]);
+				WRITE_FLOAT(pFog->m_fDensity);
 				MESSAGE_END();
 			}