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https://github.com/tribes2/engine.git
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450 lines
10 KiB
C++
450 lines
10 KiB
C++
//-----------------------------------------------------------------------------
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// V12 Engine
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//
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// Copyright (c) 2001 GarageGames.Com
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// Portions Copyright (c) 2001 by Sierra Online, Inc.
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//-----------------------------------------------------------------------------
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#include "Platform/platform.h"
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#include "console/simBase.h"
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#include "Core/stringTable.h"
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#include "console/console.h"
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#include "Core/fileStream.h"
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#include "Core/resManager.h"
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#include "Core/fileObject.h"
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#include "console/consoleInternal.h"
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#include "Core/idGenerator.h"
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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namespace Sim
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{
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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// event queue variables:
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SimTime gCurrentTime;
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SimTime gTargetTime;
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SimEvent *gEventQueue;
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U32 gEventSequence;
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//---------------------------------------------------------------------------
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// event queue init/shutdown
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static void initEventQueue()
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{
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gCurrentTime = 0;
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gTargetTime = 0;
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gEventSequence = 1;
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gEventQueue = NULL;
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}
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static void shutdownEventQueue()
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{
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// Delete all pending events
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SimEvent *walk = gEventQueue;
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while(walk)
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{
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SimEvent *temp = walk->nextEvent;
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delete walk;
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walk = temp;
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}
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}
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//---------------------------------------------------------------------------
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// event post
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U32 postEvent(SimObject *destObject, SimEvent* event,U32 time)
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{
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AssertFatal(time >= gCurrentTime,
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"Sim::postEvent: Cannot go back in time.");
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AssertFatal(destObject, "Destination object for event doesn't exist.");
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event->time = time;
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event->destObject = destObject;
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if(!destObject)
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{
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delete event;
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return InvalidEventId;
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}
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event->sequenceCount = gEventSequence++;
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SimEvent **walk = &gEventQueue;
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SimEvent *current;
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while((current = *walk) != NULL && (current->time < event->time))
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walk = &(current->nextEvent);
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event->nextEvent = current;
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*walk = event;
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return event->sequenceCount;
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}
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//---------------------------------------------------------------------------
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// event cancellation
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void cancelEvent(U32 eventSequence)
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{
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SimEvent **walk = &gEventQueue;
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SimEvent *current;
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while((current = *walk) != NULL)
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{
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if(current->sequenceCount == eventSequence)
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{
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*walk = current->nextEvent;
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delete current;
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return;
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}
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else
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walk = &(current->nextEvent);
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}
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}
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static void cancelPendingEvents(SimObject *obj)
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{
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SimEvent **walk = &gEventQueue;
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SimEvent *current;
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while((current = *walk) != NULL)
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{
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if(current->destObject == obj)
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{
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*walk = current->nextEvent;
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delete current;
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}
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else
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walk = &(current->nextEvent);
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}
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}
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//---------------------------------------------------------------------------
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// event pending test
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bool isEventPending(U32 eventSequence)
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{
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for(SimEvent *walk = gEventQueue; walk; walk = walk->nextEvent)
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if(walk->sequenceCount == eventSequence)
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return true;
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return false;
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}
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//---------------------------------------------------------------------------
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// event timing
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void advanceToTime(SimTime targetTime)
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{
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AssertFatal(targetTime >= gCurrentTime, "EventQueue::process: cannot advance to time in the past.");
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gTargetTime = targetTime;
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while(gEventQueue && gEventQueue->time <= targetTime)
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{
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SimEvent *event = gEventQueue;
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gEventQueue = gEventQueue->nextEvent;
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AssertFatal(event->time >= gCurrentTime,
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"SimEventQueue::pop: Cannot go back in time.");
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gCurrentTime = event->time;
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SimObject *obj = event->destObject;
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if(!obj->isDeleted())
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event->process(obj);
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delete event;
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}
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gCurrentTime = targetTime;
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}
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void advanceTime(SimTime delta)
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{
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advanceToTime(gCurrentTime + delta);
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}
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U32 getCurrentTime()
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{
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return gCurrentTime;
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}
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U32 getTargetTime()
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{
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return gTargetTime;
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}
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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SimGroup *gRootGroup = NULL;
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SimManagerNameDictionary *gNameDictionary;
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SimIdDictionary *gIdDictionary;
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U32 gNextObjectId;
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static void initRoot()
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{
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gIdDictionary = new SimIdDictionary;
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gNameDictionary = new SimManagerNameDictionary;
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gRootGroup = new SimGroup();
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gRootGroup->setId(RootGroupId);
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gRootGroup->assignName("RootGroup");
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gRootGroup->registerObject();
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gNextObjectId = DynamicObjectIdFirst;
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}
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static void shutdownRoot()
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{
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gRootGroup->deleteObject();
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delete gNameDictionary;
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delete gIdDictionary;
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}
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//---------------------------------------------------------------------------
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SimObject* findObject(const char* name)
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{
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SimObject *obj;
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char c = *name;
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if(c == '/')
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return gRootGroup->findObject(name + 1 );
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if(c >= '0' && c <= '9')
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{
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// it's an id group
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const char* temp = name + 1;
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for(;;)
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{
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c = *temp++;
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if(!c)
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return findObject(dAtoi(name));
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else if(c == '/')
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{
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obj = findObject(dAtoi(name));
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if(!obj)
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return NULL;
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return obj->findObject(temp);
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}
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}
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}
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S32 len;
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for(len = 0; name[len] != 0 && name[len] != '/'; len++)
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;
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StringTableEntry stName = StringTable->lookupn(name, len);
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if(!stName)
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return NULL;
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obj = gNameDictionary->find(stName);
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if(!name[len])
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return obj;
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if(!obj)
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return NULL;
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return obj->findObject(name + len + 1);
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}
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SimObject* findObject(SimObjectId id)
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{
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return gIdDictionary->find(id);
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}
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SimGroup *getRootGroup()
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{
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return gRootGroup;
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}
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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#define InstantiateNamedSet(set) g##set = new SimSet; g##set->registerObject(#set); gRootGroup->addObject(g##set)
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#define InstantiateNamedGroup(set) g##set = new SimGroup; g##set->registerObject(#set); gRootGroup->addObject(g##set)
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SimDataBlockGroup *gDataBlockGroup;
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SimDataBlockGroup *getDataBlockGroup()
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{
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return gDataBlockGroup;
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}
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void init()
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{
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initEventQueue();
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initRoot();
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InstantiateNamedSet(ActiveActionMapSet);
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InstantiateNamedSet(GhostAlwaysSet);
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InstantiateNamedSet(LightSet);
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InstantiateNamedSet(WayPointSet);
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InstantiateNamedSet(ClientTargetSet);
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InstantiateNamedSet(ServerTargetSet);
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InstantiateNamedSet(FlareSet);
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InstantiateNamedSet(MissileSet);
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InstantiateNamedSet(CommandTargetSet);
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InstantiateNamedSet(ScopeSensorVisibleSet);
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InstantiateNamedGroup(ActionMapGroup);
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InstantiateNamedGroup(ClientGroup);
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InstantiateNamedGroup(GuiGroup);
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InstantiateNamedGroup(GuiDataGroup);
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InstantiateNamedGroup(TCPGroup);
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InstantiateNamedGroup(ClientConnectionGroup);
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gDataBlockGroup = new SimDataBlockGroup();
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gDataBlockGroup->registerObject("DataBlockGroup");
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gRootGroup->addObject(gDataBlockGroup);
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}
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void shutdown()
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{
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shutdownRoot();
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shutdownEventQueue();
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}
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}
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SimDataBlockGroup::SimDataBlockGroup()
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{
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mLastModifiedKey = 0;
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}
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S32 QSORT_CALLBACK SimDataBlockGroup::compareModifiedKey(const void* a,const void* b)
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{
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return (reinterpret_cast<const SimDataBlock* >(a))->getModifiedKey() -
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(reinterpret_cast<const SimDataBlock*>(b))->getModifiedKey();
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}
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void SimDataBlockGroup::sort()
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{
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if(mLastModifiedKey != SimDataBlock::getNextModifiedKey())
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{
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mLastModifiedKey = SimDataBlock::getNextModifiedKey();
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dQsort(objectList.address(),objectList.size(),sizeof(SimObject *),compareModifiedKey);
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}
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}
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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bool SimObject::registerObject()
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{
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mFlags.clear(Deleted | Removed);
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if(!mId)
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mId = Sim::gNextObjectId++;
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Sim::gIdDictionary->insert(this);
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Sim::gNameDictionary->insert(this);
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// Notify object
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bool ret = onAdd();
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if(!ret)
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unregisterObject();
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AssertFatal(!ret || isProperlyAdded(), "Object did not call SimObject::onAdd()");
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return ret;
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}
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//---------------------------------------------------------------------------
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void SimObject::unregisterObject()
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{
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mFlags.set(Removed);
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// Notify object first
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onRemove();
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// Clear out any pending notifications before
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// we call our own, just in case they delete
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// something that we have referenced.
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clearAllNotifications();
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// Notify all objects that are waiting for delete
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// messages
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if (getGroup())
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getGroup()->removeObject(this);
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processDeleteNotifies();
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//
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Sim::gNameDictionary->remove(this);
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Sim::gIdDictionary->remove(this);
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Sim::cancelPendingEvents(this);
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}
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//---------------------------------------------------------------------------
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void SimObject::deleteObject()
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{
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AssertFatal(mFlags.test(Added),
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"SimObject::deleteObject: Object not registered.");
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AssertFatal(!isDeleted(),"SimManger::deleteObject: "
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"Object has already been deleted");
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AssertFatal(!isRemoved(),"SimManger::deleteObject: "
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"Object in the process of being removed");
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mFlags.set(Deleted);
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unregisterObject();
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delete this;
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}
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//---------------------------------------------------------------------------
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void SimObject::setId(SimObjectId newId)
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{
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if(!mFlags.test(Added))
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{
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mId = newId;
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return;
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}
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// get this object out of the id dictionary if it's in it
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Sim::gIdDictionary->remove(this);
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// Free current Id.
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// Assign new one.
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mId = newId ? newId : Sim::gNextObjectId++;
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Sim::gIdDictionary->insert(this);
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}
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void SimObject::assignName(const char *name)
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{
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StringTableEntry newName = NULL;
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if(name[0])
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newName = StringTable->insert(name);
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if(mGroup)
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mGroup->nameDictionary.remove(this);
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if(mFlags.test(Added))
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Sim::gNameDictionary->remove(this);
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objectName = newName;
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if(mGroup)
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mGroup->nameDictionary.insert(this);
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if(mFlags.test(Added))
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Sim::gNameDictionary->insert(this);
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}
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//---------------------------------------------------------------------------
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bool SimObject::registerObject(U32 id)
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{
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setId(id);
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return registerObject();
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}
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bool SimObject::registerObject(const char *name)
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{
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assignName(name);
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return registerObject();
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}
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bool SimObject::registerObject(const char *name, U32 id)
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{
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setId(id);
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assignName(name);
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return registerObject();
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}
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