added walking functions

svn-id: r10695

1 files changed, 129 insertions, 0 deletions

diff --git a/queen/walk.h b/queen/walk.h
new file mode 100644
index 0000000000..4f6e57624b
--- /dev/null
+++ b/queen/walk.h
@@ -0,0 +1,129 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef QUEENWALK_H
+#define QUEENWALK_H
+
+#include "queen/queen.h"
+#include "queen/structs.h"
+
+namespace Queen {
+
+
+#define MAX_AREAS 11
+
+
+struct WalkData {
+//	int16 sign; // never used
+	int16 dx, dy;
+	int16 area;
+};
+
+struct MovePersonAnim {
+	int16 wx;
+	int16 wy;
+	uint16 firstFrame;
+	uint16 lastFrame;
+	uint16 facing;
+	const Area *walkingArea;
+
+	void setFrames(uint16 ff, uint16 lf, uint16 face) {
+		firstFrame = ff;
+		lastFrame = lf;
+		facing = face;
+	}
+};
+
+
+class Logic;
+class Graphics;
+
+class Walk {
+public:
+
+	Walk(Logic* logic, Graphics* graphics);
+
+	void joeSetup();
+
+	void setCurrentRoomAreas(const Area* roomAreas, uint16 roomAreasCount);
+	
+	//! MOVE_JOE()
+	void joeMove(int dir, uint16 oldx, uint16 oldy, uint16 newx, uint16 newy, bool inCutaway);
+	
+	//! FACE_JOE()
+	uint16 joeFace(uint16 prevFacing, uint16 scale);
+
+
+private:
+
+
+	void joeMoveBlock();
+
+	void animatePersonPrepare();
+
+	void animatePerson();
+
+	//! CALC_X, CALC_Y
+	static uint16 calcC(uint16 c1, uint16 c2, uint16 c3, uint16 c4, uint16 lastc);
+	
+	//! FIND_OLDP, FIND_NEWP
+	int16 findAreaPosition(uint16 *x, uint16 *y, bool recalibrate);
+
+	//! FIND_FREE_AREA, find an area not already struck
+	uint16 findFreeArea(uint16 area) const;
+
+	//! 
+	bool isAreaStruck(uint16 area) const;
+
+	//! CALC_PATH, calculates the path list from oldArea to newArea
+	bool calcPath(uint16 oldArea, uint16 newArea);
+	
+	//! resets path computed in calcPath()
+	void initWalkData();
+	
+	//! CALC_WALK
+	void incWalkData(uint16 px, uint16 py, uint16 x, uint16 y, uint16 area);
+	
+	//! equivalent to l.2432,2469 MOVE_OTHER() and l.2696,2744 MOVE_JOE()
+    void calc(uint16 oldPos, uint16 newPos, uint16 oldx, uint16 oldy, uint16 x, uint16 y);
+
+
+	MovePersonAnim _moveAnim[15];
+
+	uint16 _walkDataCount;
+	WalkData _walkData[16];	
+	
+	uint16 _roomAreasCount;
+	const Area* _roomAreas;
+	uint16 _areaStrikeCount;
+	uint16 _areaStrike[MAX_AREAS + 1];
+	uint16 _areaListCount;
+	uint16 _areaList[MAX_AREAS + 1];
+
+	Logic *_logic;
+	Graphics *_graphics;
+
+};
+
+
+} // End of namespace Queen
+
+#endif