protected void stepWalking(GameWorld world) {
float dx = this.targetX - this.x;
float dy = this.targetY - this.y;
// float d = (float) Math.sqrt(dx * dx + dy * dy);
GameThing thing = null;
if (this.targetUnitID != 0) {
thing = world.getThing(this.targetUnitID);
}
if (thing == null) {
// Target unit doesn't exist so just walk to the location
if (withinRange(this.targetX, this.targetY)) {
finishWalking(world, thing);
return;
}
walkStep(dx, dy);
} else {
if (withinRange(thing)) {
finishWalking(world, thing);
return;
}
dx = thing.getX() - this.x;
dy = thing.getY() - this.y;
walkStep(dx, dy);
// if (withinRange(thing)) {
// finishWalking(world, thing);
// }
}
}
public void harvest(GameThing targetThing) {
this.targetX = targetThing.getX();
this.targetY = targetThing.getY();
this.targetAction = STATE_HARVESTING;
this.targetUnitID = targetThing.getID();
this.direction = (float) Math.atan2(targetY - y, targetX - x);
this.changeState(STATE_HARVESTING);
}
public void attack(GameThing targetThing) {
this.targetX = targetThing.getX();
this.targetY = targetThing.getY();
this.targetAction = STATE_ATTACKING;
this.targetUnitID = targetThing.getID();
this.direction = (float) Math.atan2(targetY - y, targetX - x);
this.changeState(STATE_WALKING);
}
public void follow(GameThing target) {
if (target.getID() == getID()) {
return;
}
this.targetX = target.getX();
this.targetY = target.getY();
this.direction = (float) Math.atan2(targetY - y, targetX - x);
this.targetUnitID = target.getID();
this.targetAction = STATE_WALKING;
this.changeState(STATE_WALKING);
}
public void command(GameThing target) {
int otherPlayerID = target.getPlayerID();
if (otherPlayerID == getPlayerID()) {
follow(target);
return;
}
if (target instanceof Mineral) {
harvest(target);
return;
}
attack(target);
}
protected void walkStep(GameThing target) {
float dx = (target.getX() - this.getX());
float dy = (target.getY() - this.getY());
walkStep(dx, dy);
}