USARBot.ExpPath

class ExpPath extends Object config(ExpPath);



var config array<int> path;

var int next;

var int offX;

var int offY;

var float scaleX;

var float scaleY;



function int getValue(int i) {

    if (i>path.length) i=i%path.length;

    return path[i];

}



function int nextValue() {

    next+=1;

    if (next>=path.length) next=0;

    return path[next];

}



function setOffset(int x0, int y0) {

    offX=x0;

    offY=y0;

}



function setScale(int w, int h) {

    local int i,mx,my;

    for (i=0;i<path.length;i+=2) {

        if (mx<abs(path[i]-path[0])) mx=abs(path[i]-path[0]);

        if (my<abs(path[i+1]-path[1])) my=abs(path[i+1]-path[1]);

    }

    if (mx>0) scaleX=w/((mx+offX-path[0])*2.0);

    if (my>0) scaleY=h/((mx+offX-path[1])*2.0);

}



function nextPoint(out int X, out int Y) {

    X=(nextValue()-path[0])*scaleX+offX;

    Y=(nextValue()-path[1])*scaleY+offY;

}



function dump() {

    local int i;

    log("<<<dump");

    log("offX="$offX@"offY="$offY);

    log("scaleX="$scaleX@"scaleY="$scaleY);

    for (i=0;i<path.length;i+=2) log("("$path[i]@path[i+1]$")");

    log("dump>>>");

}



defaultproperties {

    next=-1

    offX=0

    offY=0

    scaleX=1.0

    scaleY=1.0

    path(0)=0

    path(1)=10

    path(2)=0

    path(3)=20

}