mmb.engine.worlds.world.PlayerPhysicsPipe Maven / Gradle / Ivy
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Dependency for the MultiMachineBuilder, a voxel game about building an industrial empire in a finite world.
THIS RELEASE IS NOT PLAYABLE. To play the game, donwload from >ITCH.IO LINK HERE< or >GH releases link here<
/**
*
*/
package mmb.engine.worlds.world;
import org.joml.Vector2d;
import mmb.NN;
import mmb.content.ppipe.Direction;
import mmb.content.ppipe.PipeTunnel;
import mmb.content.ppipe.PipeTunnelEntry;
import mmb.engine.debug.Debugger;
/**
* @author oskar
*
*/
public class PlayerPhysicsPipe implements PlayerPhysics {
private static final Debugger debug = new Debugger("PLAYER IN PIPE");
//When player reaches end of the pipe, then it returns to beginning
@Override
public void onTick(World w, Player p, double ctrlX, double ctrlY) {
//Transfer to next or previous
boolean check = true;
while(check) {
//Perform checks
boolean below = direction == Direction.BWD && progress < 0;
boolean above = direction == Direction.FWD && progress > pipe.path.length;
check = below || above;
//Some old values
Direction olddir = direction;
double len = pipe.path.length;
//Define replacements
Direction newdir = direction;
double newprog = progress;
double oldprog = progress;
PipeTunnel newpipe = pipe;
if(below) {
PipeTunnelEntry pte = pipe.findPrev();
if(pte == null) {
progress += len;
eject(p);
return;
}
newprog += len;
newpipe = pte.pipe;
newdir = pte.dir;
if(olddir != newdir) newprog = -oldprog;
}
if(above) {
PipeTunnelEntry pte = pipe.findNext();
if(pte == null) {
progress -= len;
eject(p);
return;
}
newprog -= len;
newpipe = pte.pipe;
newdir = pte.dir;
/*
* 0123456789ABCDEFGHIJKLMN
* EDCBA9876543210
* 0 - - - a>||
* |<->|
* pt2
* A 8 6 4 2 0
* ||
* 0 - - - a>||<->|
* pt1 pt2
* |<-------->|
* len travel
*/
if(olddir != newdir) newprog = (len+newpipe.path.length)/2 - newprog;
}
//Update the values
direction = newdir;
progress = newprog;
pipe = newpipe;
}
//Move along the pipe
double speed = p.speed.x;
speed += ACCELRATION * 0.02;
if(speed > MAX_SPEED) speed = MAX_SPEED;
progress += speed * direction.mul * 0.02;
pipe.path.interpolate(progress, p.pos);
p.speed.x = speed;
p.speed.y = 0;
}
private static final double MAX_SPEED = 10.0;
private static final double ACCELRATION = 1.0;
//Ejects the player out of the pipe
private void eject(Player p) {
Vector2d dump = new Vector2d();
progress += 1.5 * direction.mul;
pipe.path.interpolate(progress, dump);
p.pos.set(dump);
p.speed.x = 0;
p.speed.y = 0;
p.physics = new PlayerPhysicsNormal();
debug.printl("Player ejected");
}
public double progress;
public PipeTunnel pipe;
@NN public Direction direction = Direction.FWD;
@Override
public String description() {
return "Direction: "+direction;
}
}