mirror of
https://github.com/kevinbentley/Descent3.git
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136 lines
3.4 KiB
C++
136 lines
3.4 KiB
C++
/*
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* Descent 3
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* Copyright (C) 2024 Parallax Software
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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--- HISTORICAL COMMENTS FOLLOW ---
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* $Logfile: /DescentIII/Main/Dmfc/dmfctimer.cpp $
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* $Revision: 1.1.1.1 $
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* $Date: 2003/08/26 03:57:21 $
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* $Author: kevinb $
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*
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* DMFC timer API functions
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*
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* $Log: dmfctimer.cpp,v $
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* Revision 1.1.1.1 2003/08/26 03:57:21 kevinb
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* initial 1.5 import
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*
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*
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* 8 5/23/99 2:21a Jeff
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* fixed timer bugs with intervals
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*
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* 7 5/13/99 4:56p Ardussi
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* changes for compiling on the Mac
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*
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* 6 3/17/99 12:25p Jeff
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* converted DMFC to be COM interface
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*
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* 5 2/11/99 12:51a Jeff
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* changed names of exported variables
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*
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* 4 9/21/98 7:11p Jeff
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* made InputCommand interface API and moved existing input commands to
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* the interface. Changed mprintf/ASSERT so they are valid in DMFC
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*
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* $NoKeywords: $
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*/
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#include "gamedll_header.h"
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#include "DMFC.h"
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#include "dmfcinternal.h"
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// DMFCBase::InitTimers
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//
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// Inializes the timers
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void DMFCBase::InitTimers(void) {
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for (int i = 0; i < MAX_DMFC_TIMERS; i++) {
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Timers[i].inuse = false;
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}
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}
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// DMFCBase::KillAllTimers
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//
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// Kills all running timers
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void DMFCBase::KillAllTimers(void) {
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for (int i = 0; i < MAX_DMFC_TIMERS; i++) {
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KillTimer(i);
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}
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}
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// DMFCBase::SetTimerInterval
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//
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// Starts a timer event running
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int DMFCBase::SetTimerInterval(void (*func)(void), float intval, float longevity, void (*onkill)()) {
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int i;
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// Find a free timer
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for (i = 0; i < MAX_DMFC_TIMERS; i++) {
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if (!Timers[i].inuse)
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break;
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}
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if (i >= MAX_DMFC_TIMERS) {
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return -1; // no free timers
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}
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// insert this timer information
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Timers[i].inuse = true;
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Timers[i].handler = func;
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Timers[i].starttime = *Gametime;
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Timers[i].longevity = longevity;
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Timers[i].intval = intval;
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Timers[i].nexttime = Timers[i].starttime + Timers[i].intval;
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Timers[i].onkill = onkill;
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return i;
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}
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// DMFCBase::KillTimer
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//
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// Kills a timer
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void DMFCBase::KillTimer(int handle) {
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if ((handle >= 0) && (handle < MAX_DMFC_TIMERS)) {
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if (Timers[handle].inuse) {
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Timers[handle].inuse = false;
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if (Timers[handle].onkill)
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(*Timers[handle].onkill)();
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}
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}
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}
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// DMFCBase::ProcessTimers
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//
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// Goes through all the timers and updates them if they need to be updated
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void DMFCBase::ProcessTimers(void) {
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for (int i = 0; i < MAX_DMFC_TIMERS; i++) {
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if (Timers[i].inuse) {
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// we have a running timer here
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float currtime = *Gametime;
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if (Timers[i].nexttime <= currtime) {
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// time to call
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Timers[i].nexttime += Timers[i].intval;
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if (Timers[i].handler)
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(*Timers[i].handler)();
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}
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if (Timers[i].longevity != -1) {
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if (Timers[i].longevity + Timers[i].starttime < currtime) {
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// this timer is over with
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KillTimer(i);
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}
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}
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}
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} // end for
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}
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