Initial commit

engines/qdengine/minigames/adv/EventManager.cpp

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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/>.
+ *
+ */
+
+#include "common/debug.h"
+
+#include "qdengine/qdengine.h"
+#include "qdengine/minigames/adv/common.h"
+#include "qdengine/minigames/adv/EventManager.h"
+#include "qdengine/minigames/adv/RunTime.h"
+#include "qdengine/minigames/adv/TextManager.h"
+
+namespace QDEngine {
+
+EventManager::EventPreset::EventPreset() {
+	score = 0;
+	fontID = -1;
+	escapeID = -1;
+	triggerEventID = -1;
+}
+
+EventManager::EventManager(MinigameManager *runtime) {
+	_runtime = runtime;
+	_score = 0;
+
+	char str_cache[256];
+
+	for (int idx = 0;; ++idx) {
+		snprintf(str_cache, 127, "register_trigger_%d", idx);
+		if (const char *descr = _runtime->parameter(str_cache, false))
+			_triggerEvents.push_back(_runtime->getObject(descr));
+		else
+			break;
+	}
+	debugC(2, kDebugMinigames, "EventManager(): registered %d trigger objects", _triggerEvents.size());
+
+	_eventPresets.resize(SYSTEM_EVENTS_SIZE);
+	for (int idx = 0; idx < SYSTEM_EVENTS_SIZE; ++idx) {
+		snprintf(str_cache, 127, "system_event_%d", idx);
+		if (const char * descr = _runtime->parameter(str_cache, false)) {
+			EventPreset preset;
+			int read = sscanf(descr, "%d %d", &preset.score, &preset.triggerEventID);
+
+			if (read != 2)
+				warning("EventManager(): Incorrect description string: %s", str_cache);
+
+			if (read == 2) {
+				if (preset.triggerEventID >= (int)_triggerEvents.size())
+					error("EventManager(): Reference to an unregistered trigger in %s", str_cache);
+
+				if (preset.triggerEventID < (int)_triggerEvents.size())
+					_eventPresets[idx] = preset;
+			}
+		}
+	}
+
+	for (int idx = 0;; ++idx) {
+		snprintf(str_cache, 127, "register_event_%d", idx);
+		if (const char * descr = _runtime->parameter(str_cache, false)) {
+			EventPreset preset;
+			int read = sscanf(descr, "%d %d %d %d", &preset.score, &preset.fontID, &preset.escapeID, &preset.triggerEventID);
+
+			if (read != 4)
+				warning("EventManager(): Incorrect event description string: %d", idx);
+
+			if (preset.triggerEventID >= (int)_triggerEvents.size())
+				error("EventManager(): Reference to an unregistered trigger in %s", str_cache);
+
+			if (read == 4 && preset.triggerEventID < (int)_triggerEvents.size())
+				_eventPresets.push_back(preset);
+			else
+				_eventPresets.push_back(EventPreset());
+		} else
+			break;
+	}
+	debugC(2, kDebugMinigames, "EventManager(): registered %d events", _eventPresets.size());
+
+	if (const char * data = _runtime->parameter("allow_negative", false)) {
+		int tmp;
+		sscanf(data, "%d", &tmp);
+		_enableNegative = tmp;
+	} else
+		_enableNegative = false;
+}
+
+void EventManager::sysEvent(int eventID) {
+	assert(eventID >= 0);
+	debugC(6, kDebugMinigames, "EventManager() System event: %d", eventID);
+
+	assert(eventID < SYSTEM_EVENTS_SIZE);
+
+	mgVect2i pos = _runtime->screenSize() / 2;
+	event(eventID - SYSTEM_EVENTS_SIZE, mgVect2f(pos.x, pos.y), 1);
+}
+
+void EventManager::event(int eventID, const mgVect2f& pos, int factor) {
+	debugC(6, kDebugMinigames, "EventManager() Event: %d, pos=(%5.1f, %5.1f), fartor=%d", eventID, pos.x, pos.y, factor);
+
+	eventID += SYSTEM_EVENTS_SIZE;
+
+	if (eventID >= (int)_eventPresets.size())
+		return;
+
+	const EventPreset& pr = _eventPresets[eventID];
+
+	if (pr.triggerEventID >= 0) {
+		assert(pr.triggerEventID < (int)_triggerEvents.size());
+		_triggerEvents[pr.triggerEventID]->set_state("on");
+	}
+
+	if (pr.score) {
+		int diff = addScore(pr.score);
+
+		if (pr.fontID >= 0 && pr.escapeID >= 0 && diff != 0)
+			_runtime->textManager().showNumber(diff, pos, pr.fontID, pr.escapeID);
+	}
+}
+
+int EventManager::addScore(int sc) {
+	int diff = _score;
+
+	_score += sc;
+	if (_score < 0 && !_enableNegative)
+		_score = 0;
+
+	diff = _score - diff;
+
+	if (diff)
+		_runtime->textManager().updateScore(_score);
+
+	return diff;
+}
+
+} // namespace QDEngine