@startuml

skinparam linetype ortho

package utils {
  class Matrix {
    static int getWidth(...)
    static int getHeight(...)
    static boolean isShapeValid(...)
  }
}

package viewer {
  class Viewer {
    final Game
    Viewer(List<Board>)
    void main(String[])
    void eventLoop(ApplicationContext)
    void renderFrame(Graphics2D,ApplicationContext,List<Event>)
  }
}

package context {
  class Context {
    Context(Game,List<Event>,GraphicsContext)
    final Game
    final List<Event>
    final GraphicsContext
    Game getGame()
    List<Event> getEvents()
    GraphicsContext getGraphicsContext()
  }

  class GraphicsContext {
    final Graphics2D
    final ScreenInfo
    paintCircle(Color, Vec2, float)
    paintSquare(Color, Vec2, float, float)
  }

  class InputHandler {
    private final ApplicationContext
    InputHandler(ApplicationContext)
    List<Event> getEvents()
  }

  class ScreenManager {
    private final ApplicationContext
    private final Graphics2D
    ScreenManager(ApplicationContext,Graphics2D)
    GraphicsContext clearScreen()
  }

  class Game {
    Stage
    final List<Controller>
    int indexBoard
    final List<Board>
    bool over
    Game(List<Board>)
    Stage getStage()
    bool isOver()
    void setOver()
    void nextStage()
    void retryStage()
    List<Event> update(Context context)
  }
}

package event {
  interface Event

  interface InputEvent implements Event
  interface GameEvent implements Event

  class DropBombEvent implements InputEvent

  class AddBombEvent implements InputEvent {
    final TileVec2
    AddBombEvent(TileVec2)
    TileVec2 getTile()
  }

  class MoveRobotEvent implements InputEvent {
    final TileVec2
    MoveRobotEvent(TileVec2)
    TileVec2 getTile()
  }

  class ConfirmEvent implements InputEvent
  class GameOverEvent implements Event


  class ExplosionEvent implements GameEvent {
    Block source
    Body source
  }
}

package board {
  class Board {
    Board(width, height)
    BlockType getBlockTypeAt(TileVec2)
    BlockType setBlockTypeAt(TileVec2, BlockType)
    Stream<Map.Entry<TileVec2, BlockType>> stream()
  }

  class BoardParser {
    static Board parse(File)
  }

  class BoardValidator {
    static class Constraint
    Board

    BoardValidator(Board)
    BoardValidator validate(Predicate<Board>, String error)
    Board get()
  }

  class BoardConverter {
    static Board worldToBoard(List<Block>)
    static List<Block> boardToWorld(Board)
  }

  class TileVec2 {
    static final int TILE_DIM
    static TileVec2 fromVec2(Vec2)

    Vec2
    TileVec2(col, row)
    Vec2 toPixelPos()
    List<TileVec2> neighbors()
  }

  class PathFinder {
    Graph

    PathFinder(Board)
    List<TileVec2> findPath(TileVec2 origin, TileVec2 target)
  }
}

package block {
  enum BlockType {
    FREE
    WALL
    TRASH
    GARBAGE
    ROBOT
    BOMB

    boolean isBounding()
    boolean mustBeReachable()
    boolean isTraversable()
    boolean isMovableByExplosion()
  }

  class BlockFactory {
    Block build(BlockType, TileVec2)
  }

  abstract class Block {
    BlockType
    List<Controller>
    Vec2

    Block(BlockType, List<Controller>, Vec2)
    void setPos(Vec2)
    BlockType getBlockType()
    Vec2 getPos()
    TileVec2 getTile()
    List<Event> update(Context)
  }

  class WallBlock extends Block
  class TrashBlock extends Block
  class BombBlock extends Block
  class GarbageBlock extends Block
  class RobotBlock extends Block

  class Stage {
    List<Block>
    Board
    Stage(Board)
    List<Block> getBlocks()
    List<Event> update(Context)
    bool isCleared()
  }
}

package controller {
  interface Controller {
    List<Event> update(Context)
  }

  abstract class BlockController implements Controller {
    Block
    Controller(Block)
  }

  class BlockControllerFactory {
    BlockController build(Block)
  }
  class GameController implements Controller

  abstract class PhysicsController extends BlockController
  abstract class DisplayController extends BlockController

  class WallPhysicsController extends PhysicsController
  class WallDisplayController extends DisplayController

  class TrashPhysicsController extends PhysicsController
  class TrashDisplayController extends DisplayController

  class GarbagePhysicsController extends PhysicsController
  class GarbageDisplayController extends DisplayController

  class RobotPhysicsController extends PhysicsController {
    List<TileVec2> path
  }

  class RobotDisplayController extends DisplayController

  class BombPhysicsController extends PhysicsController
  class BombDisplayController extends DisplayController
}

RobotPhysicsController --> PathFinder
RobotPhysicsController --> BoardConverter

Stage --> BoardConverter

PhysicsController --() JBox2D
Zen5 ()-- Viewer

viewer --> context
viewer --> model

context --> event

model --> controller

board --> model

@enduml