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109 lines
3.3 KiB
C++
109 lines
3.3 KiB
C++
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#ifndef GLOBALVARS_BASE_H
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#define GLOBALVARS_BASE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "threadtools.h"
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enum GlobalVarsUsageWarning_t
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{
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GV_RENDERTIME_CALLED_DURING_SIMULATION,
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GV_CURTIME_CALLED_DURING_RENDERING
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};
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typedef void (*FnGlobalVarsWarningFunc)(GlobalVarsUsageWarning_t);
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//-----------------------------------------------------------------------------
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// Purpose: Global variables used by shared code
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//-----------------------------------------------------------------------------
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class CGlobalVarsBase
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{
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public:
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CGlobalVarsBase();
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public:
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// Absolute time (per frame still - Use Plat_FloatTime() for a high precision real time
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// perf clock, but not that it doesn't obey host_timescale/host_framerate)
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float realtime;
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// Absolute frame counter - continues to increase even if game is paused
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int framecount;
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// Clamped to [0.0001, 0.1]
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float absoluteframetime;
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// Frametime before clamping, also sent as CNETMsg_Tick::host_unfiltered_frametime
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float absoluteframetime_unbounded;
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int maxClients;
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// Index of the tick being simulated within this frame
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int m_nCurrentTickThisFrame;
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// Number of ticks simulated this frame
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int m_nTotalTicksThisFrame;
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// Client only: real time per usercmd tick (tick interval / host_timescale)
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float m_flUsercmdTickInterval;
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// Client only: Plat_FloatTime() at which the current usercmd tick started
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double m_flUsercmdTickStartTime;
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FnGlobalVarsWarningFunc m_pfnWarningFunc;
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// Current time
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//
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// On the client, this (along with tickcount) takes a different meaning based on what
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// piece of code you're in:
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//
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// - While receiving network packets (like in PreDataUpdate/PostDataUpdate and proxies),
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// this is set to the SERVER TICKCOUNT for that packet. There is no interval between
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// the server ticks.
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// [server_current_Tick * tick_interval]
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//
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// - While rendering, this is the exact client clock
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// [client_current_tick * tick_interval + interpolation_amount]
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//
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// - During prediction, this is based on the client's current tick:
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// [client_current_tick * tick_interval]
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float curtime;
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// Time spent on last server or client frame (has nothing to do with think intervals)
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float frametime;
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// Client only, zero during simulation: fraction into the next simulation tick
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float interpolation_amount;
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// Client only, zero during simulation: fraction into the current usercmd tick, stamps subtick moves
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float m_flUsercmdTickFraction;
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bool m_bInSimulation;
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bool m_bEnableAssertions;
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// Simulation ticks - does not increase when game is paused
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int tickcount;
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// Client only: ticks simulated since the client started ticking, reset per connection
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int m_nClientTickCount;
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// Client only: m_nClientTickCount in seconds
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float m_flClientTime;
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// Non-zero when during movement processing, it's the part after the decimal point of the "when" field in player's subtick moves.
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float m_flSubtickFraction;
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bool m_bIsOncePerFrameAsyncWorkPhase;
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ThreadId_t m_nThreadId;
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};
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inline CGlobalVarsBase::CGlobalVarsBase()
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{
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}
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#endif // GLOBALVARS_BASE_H
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