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engines/gob/minigames/geisha/evilfish.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/>.
+ *
+ *
+ * This file is dual-licensed.
+ * In addition to the GPLv3 license mentioned above, this code is also
+ * licensed under LGPL 2.1. See LICENSES/COPYING.LGPL file for the
+ * full text of the license.
+ *
+ */
+
+#include "gob/minigames/geisha/evilfish.h"
+
+namespace Gob {
+
+namespace Geisha {
+
+EvilFish::EvilFish(const ANIFile &ani, uint16 screenWidth,
+				   uint16 animSwimLeft, uint16 animSwimRight,
+				   uint16 animTurnLeft, uint16 animTurnRight, uint16 animDie) :
+	ANIObject(ani), _screenWidth(screenWidth),
+	_animSwimLeft(animSwimLeft), _animSwimRight(animSwimRight),
+	_animTurnLeft(animTurnLeft), _animTurnRight(animTurnRight), _animDie(animDie),
+	_shouldLeave(false), _state(kStateNone) {
+
+}
+
+EvilFish::~EvilFish() {
+}
+
+void EvilFish::enter(Direction from, int16 y) {
+	_shouldLeave = false;
+
+	bool left = from == kDirectionLeft;
+
+	setAnimation(left ? _animSwimLeft : _animSwimRight);
+
+	int16 width, height;
+	getFrameSize(width, height);
+
+	setPosition(left ? -width : _screenWidth, y);
+	setVisible(true);
+
+	_state = left ? kStateSwimLeft : kStateSwimRight;
+}
+
+void EvilFish::leave() {
+	if (_state == kStateNone)
+		return;
+
+	_shouldLeave = true;
+}
+
+void EvilFish::die() {
+	if ((_state == kStateNone) || (_state == kStateDie))
+		return;
+
+	int16 x, y;
+	getFramePosition(x, y);
+
+	setAnimation(_animDie);
+	setPosition(x, y);
+
+	_state = kStateDie;
+}
+
+void EvilFish::advance() {
+	if (_state == kStateNone)
+		return;
+
+	bool wasLastFrame = lastFrame();
+
+	int16 oldX, oldY;
+	getPosition(oldX, oldY);
+
+	ANIObject::advance();
+
+	int16 x, y, width, height;
+	getFramePosition(x, y);
+	getFrameSize(width, height);
+
+	switch (_state) {
+	case kStateNone:
+	default:
+		break;
+
+	case kStateSwimLeft:
+		if (!_shouldLeave && (x >= _screenWidth - width)) {
+			setAnimation(_animTurnRight);
+			setPosition(x, oldY);
+			_state = kStateTurnRight;
+		}
+
+		if (_shouldLeave && (x >= _screenWidth)) {
+			setVisible(false);
+
+			_shouldLeave = false;
+			_state       = kStateNone;
+		}
+		break;
+
+	case kStateSwimRight:
+		if (!_shouldLeave && (x <= 0)) {
+			setAnimation(_animTurnLeft);
+			setPosition(x, oldY);
+			_state = kStateTurnLeft;
+		}
+
+		if (_shouldLeave && (x < -width)) {
+			setVisible(false);
+
+			_shouldLeave = false;
+			_state       = kStateNone;
+		}
+		break;
+
+	case kStateTurnLeft:
+		if (wasLastFrame) {
+			setAnimation(_animSwimLeft);
+			_state = kStateSwimLeft;
+		}
+		break;
+
+	case kStateTurnRight:
+		if (wasLastFrame) {
+			setAnimation(_animSwimRight);
+			_state = kStateSwimRight;
+		}
+		break;
+
+	case kStateDie:
+		if (wasLastFrame) {
+			setVisible(false);
+
+			_state = kStateNone;
+		}
+		break;
+	}
+}
+
+void EvilFish::mutate(uint16 animSwimLeft, uint16 animSwimRight,
+					  uint16 animTurnLeft, uint16 animTurnRight, uint16 animDie) {
+
+	_animSwimLeft  = animSwimLeft;
+	_animSwimRight = animSwimRight;
+	_animTurnLeft  = animTurnLeft;
+	_animTurnRight = animTurnRight;
+	_animDie       = animDie;
+
+	switch (_state) {
+	case kStateSwimLeft:
+		setAnimation(_animSwimLeft);
+		break;
+
+	case kStateSwimRight:
+		setAnimation(_animSwimRight);
+		break;
+
+	default:
+		break;
+	}
+}
+
+bool EvilFish::isDead() const {
+	return !isVisible() || (_state == kStateNone) || (_state == kStateDie);
+}
+
+} // End of namespace Geisha
+
+} // End of namespace Gob