add path view
limit resolve depth ( to avoid infinite ). to complete : horrible
This commit is contained in:
@@ -553,6 +553,50 @@ public class Display extends JFrame
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g.drawLine(x, y, x, y + (int) height);
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}
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public void drawPath(Graphics g, int pX, int pY, short path)
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{
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int x = offsetX + (int) (pX * width);
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int y = offsetY + (int) (pY * height);
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int xm = x+ (int) (width / 2);
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int ym = y+ (int) (height / 2);
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if ( (path & LabyModel.HORIZONTAL) == LabyModel.HORIZONTAL)
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{
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g.drawLine(x, ym, x + (int) width, ym);
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if ( (path & LabyModel.POSITIVE) == LabyModel.POSITIVE )
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{
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g.drawLine(x, ym + (int) (height / 4), x + (int) width, ym);
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}
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if ( (path & LabyModel.NEGATIVE) == LabyModel.NEGATIVE )
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{
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g.drawLine(x, ym , x + (int) width, ym - (int) (height / 4));
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}
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}
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if ((path & LabyModel.VERTICAL) == LabyModel.VERTICAL)
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{
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g.drawLine(xm, y, xm , y + (int) height);
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if ( (path & LabyModel.POSITIVE) == LabyModel.POSITIVE )
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{
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g.drawLine(xm - (int) (width / 4), y , xm, y + (int) height);
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}
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if ( (path & LabyModel.NEGATIVE) == LabyModel.NEGATIVE )
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{
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g.drawLine(xm, y , xm + (int) (width /4), y + (int) (height));
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}
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}
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/*
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if ((path & LabyModel.HORIZONTAL) ==LabyModel.HORIZONTAL)
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{
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y=y+ (int) (height / 2);
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g.drawLine(x + (int) width, y, x + (int) width, y + (int) height);
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}
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if ( (pX == 0 ) && ((path & LabyModel.VERTICAL) == LabyModel.VERTICAL))
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{
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x=x+ (int) (width / 2);
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g.drawLine(x, y, x, y + (int) height);
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}
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*/
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}
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public void drawDot(Graphics g, Position dot, int pX, int pY, int mX, int mY)
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{
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double radius = (height > width) ? width : height;
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@@ -748,6 +792,7 @@ public class Display extends JFrame
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int x = 0;
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int y = 0;
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short walls = 0;
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short path = 0;
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// try to display only visible part...
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// should compute pX, pY, mX, mY based on clip...
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@@ -808,6 +853,9 @@ public class Display extends JFrame
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}
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}
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int aX = pX;
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int aY = pY;
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g.setColor(Color.black);
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// draw all walls within clip bounds horiz first then lines
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@@ -819,7 +867,31 @@ public class Display extends JFrame
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cp.drawWalls(g, pX, pY, walls);
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}
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}
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}
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pX = aX;
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pY = aY;
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// draw all path within clip bounds horiz first then lines
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for (; pY < mY; pY++)
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{
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for (pX = 0; pX < mX; pX++)
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{
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path = map.getPath(pX,pY);
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if ( ( path & LabyModel.SOLVED ) == LabyModel.SOLVED )
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{
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g.setColor(Color.green);
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}
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else
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{
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g.setColor(Color.blue);
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}
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if ( path != 0 )
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{
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cp.drawPath(g,pX,pY,path);
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}
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}
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}
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}
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public boolean notifySearch(Position pPosition)
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@@ -28,13 +28,14 @@ public class LabyModel implements WallsProvider
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private final static short FLAGLENGTH = 7;
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private final static short CLEAR = 0; // mandatory 0 since array creation is
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// initialized with 0.
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private final static short HORIZONTAL = 1;
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private final static short VERTICAL = 2;
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private final static short DIRECTION = 4; // could we get rid of that to
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public final static short HORIZONTAL = 1;
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public final static short VERTICAL = 2;
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public final static short DIRECTION = 4; // could we get rid of that to
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// free one bit for other purpose
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// ?
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private final static short POSITIVE = 8;
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private final static short NEGATIVE = 16;
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public final static short POSITIVE = 8;
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public final static short NEGATIVE = 16;
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private final static short OPEN = 32; // can be reused once generation is
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// completed
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private final static short CLOSED = 64; // can be reused once generation is
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@@ -52,7 +53,7 @@ public class LabyModel implements WallsProvider
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// wall should
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// be open to
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// access this.
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private final static short SOLVED = 64 << FLAGLENGTH; // flag when solution
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public final static short SOLVED = 64 << FLAGLENGTH; // flag when solution
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// is on this path.
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private final static short FREE = 128 << FLAGLENGTH; // free flag
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// remains 2 free bits ( keep one out for sign )
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@@ -545,89 +546,100 @@ public class LabyModel implements WallsProvider
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/**
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* resolve this labrynth using internal representation
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* initial (x,y) is exit, will return list of positions from start to end.
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**/
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public LinkedList<Position> resolve(int x, int y, MazeResolutionListener rlistener)
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{
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long safeguard = width * height;
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int newx = x;
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int newy = y;
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// list of positions from start to end
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LinkedList<Position> backpath = new LinkedList<Position>();
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while (!((newx == 0) && (newy == 0)))
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{
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// position that point to (x,y).
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Position found = null;
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if (( x == newx ) && ( y == newy ))
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{
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System.out.println("[ERROR] path contains same consecutive point" + new Position(newx, newy).toString());
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}
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x = newx;
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y = newy;
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backpath.addFirst(new Position(x, y));
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// should find from all direction one that point to this.
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ArrayList<Short> freeDirection = new ArrayList<Short>();
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// should find from all adjacent cells (directions) one that point to this.
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{
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ArrayList<Short> freeDirection = new ArrayList<Short>();
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for (int didx = 0; didx < 4; didx++)
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{
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int delta = 0;
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short direction = AllDirections[didx];
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short reversedirection = AllDirections[(didx + 2) % 4];
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short pointingdirection = DIRECTION;
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// didx is index of four cell adjacent to this (x,y)
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for (int didx = 0; didx < 4; didx++)
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{
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int delta = 0;
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short direction = AllDirections[didx];
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short reversedirection = AllDirections[(didx + 2) % 4];
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short pointingdirection = DIRECTION;
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if ((direction & POSITIVE) == POSITIVE)
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{
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delta = 1;
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pointingdirection |= NEGATIVE;
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}
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else
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{
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delta = -1;
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pointingdirection |= POSITIVE;
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}
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if ((direction & POSITIVE) == POSITIVE)
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{
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delta = 1;
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pointingdirection |= NEGATIVE;
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}
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else
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{
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delta = -1;
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pointingdirection |= POSITIVE;
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}
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if ((direction & HORIZONTAL) == HORIZONTAL)
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{
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newx = x + delta;
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newy = y;
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pointingdirection |= HORIZONTAL;
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}
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else
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{
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newy = y + delta;
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newx = x;
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pointingdirection |= VERTICAL;
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}
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if ((direction & HORIZONTAL) == HORIZONTAL)
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{
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newx = x + delta;
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newy = y;
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pointingdirection |= HORIZONTAL;
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}
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else
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{
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newy = y + delta;
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newx = x;
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pointingdirection |= VERTICAL;
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}
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// internal GUARD.
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if ((reversedirection & pointingdirection) != pointingdirection)
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{
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System.out.println("Internal ERROR. Please check AllDirections order "
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+ (reversedirection & pointingdirection) + " " + pointingdirection);
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return backpath;
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}
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// internal GUARD.
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if ((reversedirection & pointingdirection) != pointingdirection)
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{
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System.out.println("Internal ERROR. Please check AllDirections order "
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+ (reversedirection & pointingdirection) + " " + pointingdirection);
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return backpath;
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}
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if ((newx >= 0) && (newy >= 0) && (newx < width) && (newy < height))
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{
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if ((t[newx][newy] & reversedirection) == reversedirection)
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{
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if (found != null)
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{
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// could be a unique parent of two paths...
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// but search from other entry/exits than generated
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// from
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// ie entry(0,0) exit(width-1,height-1) not yet
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// implemented.
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if (rlistener != null)
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{
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rlistener.notifySearchError("Model Error : two parents " + found.toString() + " "
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+ new Position(newx, newy).toString());
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}
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return backpath;
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}
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found = new Position(newx, newy);
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if (rlistener != null)
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{
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rlistener.notifySearch(found);
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}
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break;
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}
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}
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}
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if ((newx >= 0) && (newy >= 0) && (newx < width) && (newy < height))
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{
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if ((t[newx][newy] & reversedirection) == reversedirection)
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{
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if (found != null)
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{
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// could be a unique parent of two paths...
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// but search from other entry/exits than generated
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// from
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// ie entry(0,0) exit(width-1,height-1) not yet
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// implemented.
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if (rlistener != null)
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{
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rlistener.notifySearchError("Model Error : two parents " + found.toString() + " "
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+ new Position(newx, newy).toString());
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}
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return backpath;
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}
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found = new Position(newx, newy);
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if (rlistener != null)
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{
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rlistener.notifySearch(found);
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}
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break;
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}
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}
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}
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}
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if (found == null)
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{
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rlistener.notifySearchError("No path found !");
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@@ -636,7 +648,22 @@ public class LabyModel implements WallsProvider
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// System.out.println(found);
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newx = found.getX();
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newy = found.getY();
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t[newx][newy] |= SOLVED;
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if ( ( t[newx][newy] & SOLVED ) == SOLVED )
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{
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System.out.println("[INFO] position already solved" + new Position(newx, newy).toString() + " *length:" + backpath.size());
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}
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else
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{
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t[newx][newy] |= SOLVED;
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}
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safeguard --;
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if ( safeguard < 0 )
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{
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rlistener.notifySearchError("Path too long ( or long overflow ) for width*height:" + (width*height) + " length:" + backpath.size());
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break;
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}
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}
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if (rlistener != null)
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{
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@@ -813,6 +840,16 @@ public class LabyModel implements WallsProvider
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return walls;
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}
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public short getPath(int x, int y)
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{
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short path = 0;
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if (( x < width ) && ( y < height ))
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{
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path = t[x][y];
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}
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return path;
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}
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/**
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* is there a wall in that direction ?
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**/
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Block a user