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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of HPL1 Engine.
*/
#include "hpl1/engine/system/LogicTimer.h"
#include "hpl1/engine/system/low_level_system.h"
namespace hpl {
//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
cLogicTimer::cLogicTimer(int alUpdatesPerSec, LowLevelSystem *apLowLevelSystem) {
mlMaxUpdates = alUpdatesPerSec;
mlUpdateCount = 0;
mpLowLevelSystem = apLowLevelSystem;
SetUpdatesPerSec(alUpdatesPerSec);
}
//-----------------------------------------------------------------------
cLogicTimer::~cLogicTimer() {
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
void cLogicTimer::Reset() {
mlLocalTime = (double)GetApplicationTime();
}
//-----------------------------------------------------------------------
bool cLogicTimer::WantUpdate() {
++mlUpdateCount;
if (mlUpdateCount > mlMaxUpdates)
return false;
if (mlLocalTime < (double)GetApplicationTime()) {
Update();
return true;
}
return false;
}
//-----------------------------------------------------------------------
void cLogicTimer::EndUpdateLoop() {
if (mlUpdateCount > mlMaxUpdates) {
Reset();
}
mlUpdateCount = 0;
}
//-----------------------------------------------------------------------
void cLogicTimer::SetUpdatesPerSec(int alUpdatesPerSec) {
mlLocalTimeAdd = 1000.0 / ((double)alUpdatesPerSec);
Reset();
}
//-----------------------------------------------------------------------
void cLogicTimer::SetMaxUpdates(int alMax) {
mlMaxUpdates = alMax;
}
//-----------------------------------------------------------------------
int cLogicTimer::GetUpdatesPerSec() {
return (int)(1000.0 / ((double)mlLocalTimeAdd));
}
//-----------------------------------------------------------------------
float cLogicTimer::GetStepSize() {
return ((float)mlLocalTimeAdd) / 1000.0f;
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PRIVATE METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
void cLogicTimer::Update() {
mlLocalTime += mlLocalTimeAdd;
}
//-----------------------------------------------------------------------
} // namespace hpl
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