1 files changed, 134 insertions, 0 deletions
diff --git a/engines/avalanche/shootemup.h b/engines/avalanche/shootemup.h
new file mode 100644
index 0000000000..3cdcc1d5cd
--- /dev/null
+++ b/engines/avalanche/shootemup.h
@@ -0,0 +1,134 @@
+/* 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.
+ *
+ */
+
+/*
+* This code is based on the original source code of Lord Avalot d'Argent version 1.3.
+* Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
+*/
+
+#ifndef AVALANCHE_SHOOTEMUP_H
+#define AVALANCHE_SHOOTEMUP_H
+
+namespace Avalanche {
+class AvalancheEngine;
+
+class ShootEmUp {
+public:
+	ShootEmUp(AvalancheEngine *vm);
+
+	uint16 run();
+
+private:
+	struct Sprite {
+		int8 _ix, _iy;
+		int16 _x, _y;
+		int8 _p;
+		int16 _timeout;
+		bool _cameo;
+		byte _cameoFrame;
+		bool _missile;
+		bool _wipe;
+	};
+
+	struct Runner {
+		int16 _x, _y;
+		byte _frame;
+		byte _tooHigh;
+		byte _lowest;
+		int8 _ix, _iy;
+		byte _frameDelay;
+	};
+
+	static const byte kStocks;
+	static const byte kAvvyShoots;
+	static const byte kFacingRight;
+	static const byte kFacingLeft;
+	static const long int kFlag;
+	static const byte kFrameDelayMax;
+	static const byte kAvvyY;
+	static const byte kShooting[7];
+	static const byte kTimesASecond;
+	static const byte kFlashTime;
+	static const byte kLeftMargin;
+	static const int16 kRightMargin;
+
+	AvalancheEngine *_vm;
+
+	uint16 _score;
+	byte _time;
+	byte _stockStatus[7];
+	Sprite _sprites[99];
+	byte _rectNum; // Original: 'rsize'
+	Common::Rect _rectangles[99];
+	uint16 _avvyWas;
+	uint16 _avvyPos;
+	byte _avvyAnim;
+	byte _avvyFacing;
+	bool _altWasPressedBefore;
+	byte _throwNext;
+	bool _firing;
+	Runner _running[4];
+	bool _hasEscaped[7];
+	byte _count321;
+	byte _howManyHaveEscaped;
+	uint16 _escapeCount;
+	bool _escaping;
+	byte _timeThisSecond;
+	bool _cp;
+	byte _wasFacing;
+	byte _escapeStock;
+	bool _gotOut;
+
+	bool overlap(uint16 a1x, uint16 a1y, uint16 a2x, uint16 a2y, uint16 b1x, uint16 b1y, uint16 b2x, uint16 b2y);
+	byte getStockNumber(byte index);
+	void blankIt();
+	void moveThem();
+	void blank(Common::Rect rect);
+	void plotThem();
+	void define(int16 x, int16 y, int8 p, int8 ix, int8 iy, int16 time, bool isAMissile, bool doWeWipe);
+	void defineCameo(int16 x, int16 y, int8 p, int16 time);
+	void showStock(byte index);
+	void drawNumber(int number, int size, int x);
+	void showScore();
+	void showTime();
+	void gain(int8 howMuch);
+	void newEscape();
+	void nextPage(); // Internal function of 'instructions' in the original.
+	void instructions();
+	void setup();
+	void initRunner(int16 xx, int16 yy, byte f1, byte f2, int8 ixx, int8 iyy);
+	void moveAvvy();
+	void readKbd();
+	void animate();
+	void collisionCheck();
+	void turnAround(byte who, bool randomX);
+	void bumpFolk();
+	void peopleRunning();
+	void updateTime();
+	void hitPeople();
+	void escapeCheck();
+	void check321();
+};
+
+} // End of namespace Avalanche
+
+#endif // AVALANCHE_SHOOTEMUP_H