scummvm/engines/sword1/eventman.cpp
2011-05-12 01:16:22 +02:00

105 lines
3.7 KiB
C++

/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "sword1/eventman.h"
#include "sword1/sworddefs.h"
#include "common/textconsole.h"
#include "common/util.h"
namespace Sword1 {
EventManager::EventManager() {
for (uint8 cnt = 0; cnt < TOTAL_EVENT_SLOTS; cnt++)
_eventPendingList[cnt].delay = _eventPendingList[cnt].eventNumber = 0;
}
void EventManager::serviceGlobalEventList() {
for (uint8 slot = 0; slot < TOTAL_EVENT_SLOTS; slot++)
if (_eventPendingList[slot].delay)
_eventPendingList[slot].delay--;
}
void EventManager::checkForEvent(Object *compact) {
for (uint8 objCnt = 0; objCnt < O_TOTAL_EVENTS; objCnt++) {
if (compact->o_event_list[objCnt].o_event)
for (uint8 globCnt = 0; globCnt < TOTAL_EVENT_SLOTS; globCnt++) {
if (_eventPendingList[globCnt].delay &&
(_eventPendingList[globCnt].eventNumber == compact->o_event_list[objCnt].o_event)) {
compact->o_logic = LOGIC_script; //force into script mode
_eventPendingList[globCnt].delay = 0; //started, so remove from queue
compact->o_tree.o_script_level++;
compact->o_tree.o_script_id[compact->o_tree.o_script_level] =
compact->o_event_list[objCnt].o_event_script;
compact->o_tree.o_script_pc[compact->o_tree.o_script_level] =
compact->o_event_list[objCnt].o_event_script;
}
}
}
}
bool EventManager::eventValid(int32 event) {
for (uint8 slot = 0; slot < TOTAL_EVENT_SLOTS; slot++)
if ((_eventPendingList[slot].eventNumber == event) &&
(_eventPendingList[slot].delay))
return true;
return false;
}
int EventManager::fnCheckForEvent(Object *cpt, int32 id, int32 pause) {
if (pause) {
cpt->o_pause = pause;
cpt->o_logic = LOGIC_pause_for_event;
return SCRIPT_STOP;
}
for (uint8 objCnt = 0; objCnt < O_TOTAL_EVENTS; objCnt++) {
if (cpt->o_event_list[objCnt].o_event)
for (uint8 globCnt = 0; globCnt < TOTAL_EVENT_SLOTS; globCnt++) {
if (_eventPendingList[globCnt].delay &&
(_eventPendingList[globCnt].eventNumber == cpt->o_event_list[objCnt].o_event)) {
cpt->o_logic = LOGIC_script; //force into script mode
_eventPendingList[globCnt].delay = 0; //started, so remove from queue
cpt->o_tree.o_script_level++;
cpt->o_tree.o_script_id[cpt->o_tree.o_script_level] =
cpt->o_event_list[objCnt].o_event_script;
cpt->o_tree.o_script_pc[cpt->o_tree.o_script_level] =
cpt->o_event_list[objCnt].o_event_script;
return SCRIPT_STOP;
}
}
}
return SCRIPT_CONT;
}
void EventManager::fnIssueEvent(Object *compact, int32 id, int32 event, int32 delay) {
uint8 evSlot = 0;
while (_eventPendingList[evSlot].delay)
evSlot++;
if (evSlot >= TOTAL_EVENT_SLOTS)
error("EventManager ran out of event slots");
_eventPendingList[evSlot].delay = delay;
_eventPendingList[evSlot].eventNumber = event;
}
} // End of namespace Sword1