Cable.cc

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#include "objects.h"

void Cable::setup() {
        c1 = game.RAND(0, net.units-1);
        do {
                c2 = game.RAND(0, net.units-1);
        } while (c2 == c1);
        active = index = 0;
        delay = spark.delay(game.level);
        x1 = net.computers[c1].x + net.width/3;
        x2 = net.computers[c2].x + net.width/3;
        y1 = net.computers[c1].y + net.height/2;
        y2 = net.computers[c2].y + net.height/2;
}

void Cable::update () {
        if (active) {
                if ((net.computers[c1].os == OS.WINGDOWS) ==
                        (net.computers[c2].os == OS.WINGDOWS))
                                active=0;
                else if (net.computers[c1].os == OS.WINGDOWS ||
                        net.computers[c2].os == OS.WINGDOWS)
                {
                        int dir, xdist, ydist,c;
                        float sx, sy;
                        dir = (net.computers[c2].os == OS.WINGDOWS);
                        if (dir)
                                {xdist=x1-x; ydist=y1-y;}
                        else
                                {xdist=x2-x; ydist=y2-y;}
                        sx = xdist >= 0 ? 1.0 : -1.0;
                        sy = ydist >= 0 ? 1.0 : -1.0;
                        xdist = abs(xdist);
                        ydist = abs(ydist);
                        if (xdist==0 && ydist==0) {
                                if (dir==0) c=c2; else c=c1;
                                if (!net.computers[c].busy) {
                                        if (net.computers[c].os == OS.OFF)
                                                net.off--;
                                        else
                                                net.base--;
                                        net.win++;
                                        net.computers[c].os=OS.WINGDOWS;
                                }
                                active=0;
                        }
                        else if (game.MAX (xdist, ydist) < spark.speed) {
                                if (dir)
                                        {x = x1; y = y1;}
                                else
                                        {x = x2; y = y2;}
                        }
                        else {
                                fx+=(xdist*spark.speed*sx)/(xdist+ydist);
                                fy+=(ydist*spark.speed*sy)/(xdist+ydist);
                                x = (int)fx;
                                y = (int)fy;
                        }
                        index = 1 - index;
                }
        }
        else {
                if ((net.computers[c1].os == OS.WINGDOWS) ==
                        (net.computers[c2].os == OS.WINGDOWS))
                                delay = spark.delay(game.level);
                else if (net.computers[c1].os == OS.WINGDOWS ||
                        net.computers[c2].os == OS.WINGDOWS)
                {
                        if (delay>0) delay--;
                        else {
                                active = 1;
                                if (net.computers[c1].os == OS.WINGDOWS)
                                        {fx=x=x1; fy=y=y1;}
                                else
                                        {fx=x=x2; fy=y=y2;}
                        }
                }
        }
}

int Cable::onspark (int locx, int locy) {
        if (!active) return 0;
        return (abs(locx-x) < spark.width
                && abs(locy-y) < spark.height);
}

void Cable::draw() {
        int rx = x - spark.width/2;
        int ry = y - spark.height/2;
        ui.draw_line(x1,y1,x2,y2);
        if (active)
                ui.draw(spark.pictures[index], rx, ry);
}

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