Initial commit

engines/ultima/ultima1/widgets/guard.cpp

@@ -0,0 +1,73 @@
+/* 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 "ultima/ultima1/widgets/guard.h"
+#include "ultima/ultima1/core/resources.h"
+#include "ultima/shared/core/utils.h"
+
+namespace Ultima {
+namespace Ultima1 {
+namespace Widgets {
+
+uint Guard::attackDistance() const {
+	Point diff = _position - _map->_playerWidget->_position;
+	return areGuardsHostile() && ABS(diff.x) < 2 && ABS(diff.y) < 2 ? 1 : 0;
+}
+
+void Guard::movement() {
+	// Don't move if the guards aren't hostile, or they're already within attack distance
+	if (!areGuardsHostile() || attackDistance())
+		return;
+
+	Point diff = _position - _map->_playerWidget->_position;
+	Point delta(SGN(diff.x), SGN(diff.y));
+	int totalDiff = ABS(diff.x) + ABS(diff.y);
+	if (totalDiff >= 13)
+		return;
+
+	// Try moving horizontally or vertically towards the player
+	bool moved = moveBy(Point(delta.x, 0));
+	if (!moved)
+		moved = moveBy(Point(0, delta.y));
+	if (moved)
+		_game->playFX(4);
+}
+
+void Guard::attackParty() {
+	Ultima1Game *game = static_cast<Ultima1Game *>(_game);
+	Shared::Character &c = *game->_party;
+	addInfoMsg(Common::String::format(game->_res->ATTACKED_BY, _name.c_str()));
+	game->playFX(7);
+
+	uint threshold = (c._stamina / 2) + (c._equippedArmour * 8) + 56;
+	if (_game->getRandomNumber(1, 255) > threshold) {
+		int damage = _game->getRandomNumber(2, c._hitPoints / 128 + 15);
+		addInfoMsg(Common::String::format("%s...%2d %s", game->_res->HIT, damage, game->_res->DAMAGE));
+		game->playFX(2);
+		c._hitPoints -= damage;
+	} else {
+		addInfoMsg(game->_res->MISSED);
+	}
+}
+
+} // End of namespace Widgets
+} // End of namespace Ultima1
+} // End of namespace Ultima