Initial commit

engines/sword1/eventman.cpp

@@ -0,0 +1,105 @@
+/* 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/>.
+ *
+ */
+
+
+#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;
+
+					break;
+				}
+			}
+	}
+}
+
+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