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c86f0c5c6a
Make sure we always have enough room for new execution markers. Engine normally truncates the head of the vector if out of room; we want to avoid it as this will cause the cookies to shift, and thus cause them to misalign with their respective commands.
117 lines
4.2 KiB
C++
117 lines
4.2 KiB
C++
#include "core/stdafx.h"
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#include "tier1/cmd.h"
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#include "tier1/cvar.h"
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#include "tier1/commandbuffer.h"
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#include "engine/cmd.h"
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CCommandBuffer** s_pCommandBuffer = nullptr; // array size = ECommandTarget_t::CBUF_COUNT.
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LPCRITICAL_SECTION s_pCommandBufferMutex = nullptr;
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//=============================================================================
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// List of execution markers
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//=============================================================================
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CUtlVector<int>* g_pExecutionMarkers = nullptr;
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//-----------------------------------------------------------------------------
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// Purpose: checks if there's room left for execution markers
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// Input : cExecutionMarkers -
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// Output : true if there's room for execution markers, false otherwise
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//-----------------------------------------------------------------------------
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bool Cbuf_HasRoomForExecutionMarkers(const int cExecutionMarkers)
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{
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return (g_pExecutionMarkers->Count() + cExecutionMarkers) < MAX_EXECUTION_MARKERS;
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}
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//-----------------------------------------------------------------------------
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// Purpose: adds command text at the end of the command buffer with execution markers
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// Input : *pText -
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// markerLeft -
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// markerRight -
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// Output : true if there's room for execution markers, false otherwise
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//-----------------------------------------------------------------------------
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bool Cbuf_AddTextWithMarkers(const char* const pText, const ECmdExecutionMarker markerLeft, const ECmdExecutionMarker markerRight)
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{
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if (Cbuf_HasRoomForExecutionMarkers(2))
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{
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Cbuf_AddExecutionMarker(Cbuf_GetCurrentPlayer(), markerLeft);
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Cbuf_AddText(Cbuf_GetCurrentPlayer(), pText, cmd_source_t::kCommandSrcCode);
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Cbuf_AddExecutionMarker(Cbuf_GetCurrentPlayer(), markerRight);
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return true;
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}
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return false;
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}
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//-----------------------------------------------------------------------------
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// Purpose: adds command text at the end of the buffer
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//-----------------------------------------------------------------------------
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//void Cbuf_AddText(ECommandTarget_t eTarget, const char* pText, int nTickDelay)
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//{
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// LOCK_COMMAND_BUFFER();
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// if (!s_pCommandBuffer[(int)eTarget]->AddText(pText, nTickDelay, cmd_source_t::kCommandSrcInvalid))
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// {
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// Error(eDLL_T::ENGINE, NO_ERROR, "%s: buffer overflow\n", __FUNCTION__);
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// }
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//}
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//-----------------------------------------------------------------------------
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// Purpose: Sends the entire command line over to the server
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// Input : *args -
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// Output : true on success, false otherwise
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//-----------------------------------------------------------------------------
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bool Cmd_ForwardToServer(const CCommand* args)
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{
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#ifndef DEDICATED
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// Client -> Server command throttling.
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static double flForwardedCommandQuotaStartTime = -1;
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static int nForwardedCommandQuotaCount = 0;
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// No command to forward.
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if (args->ArgC() == 0)
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return false;
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const double flStartTime = Plat_FloatTime();
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const int nCmdQuotaLimit = cl_quota_stringCmdsPerSecond->GetInt();
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const char* pszCmdString = nullptr;
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// Special case: "cmd whatever args..." is forwarded as "whatever args...";
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// in this case we strip "cmd" from the input.
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if (Q_strcasecmp(args->Arg(0), "cmd") == 0)
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pszCmdString = args->ArgS();
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else
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pszCmdString = args->GetCommandString();
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if (nCmdQuotaLimit)
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{
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if (flStartTime - flForwardedCommandQuotaStartTime >= 1.0)
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{
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flForwardedCommandQuotaStartTime = flStartTime;
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nForwardedCommandQuotaCount = 0;
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}
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++nForwardedCommandQuotaCount;
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if (nForwardedCommandQuotaCount > nCmdQuotaLimit)
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{
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// If we are over quota commands per second, dump this on the floor.
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// If we spam the server with too many commands, it will kick us.
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Warning(eDLL_T::CLIENT, "Command '%s' ignored (submission quota of '%d' per second exceeded!)\n", pszCmdString, nCmdQuotaLimit);
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return false;
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}
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}
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return v_Cmd_ForwardToServer(args);
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#else // !DEDICATED
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return false; // Client only.
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#endif // DEDICATED
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}
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///////////////////////////////////////////////////////////////////////////////
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void VCmd::Attach() const
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{
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DetourAttach((LPVOID*)&v_Cmd_ForwardToServer, &Cmd_ForwardToServer);
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}
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void VCmd::Detach() const
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{
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DetourDetach((LPVOID*)&v_Cmd_ForwardToServer, &Cmd_ForwardToServer);
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}
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