diff --git a/flake.nix b/flake.nix
index 0f12e67..210ee71 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,6 +25,7 @@
             jdk21
             gradle
             jetbrains.idea-community
+            graphviz
           ];
         };
       }
diff --git a/uml.puml b/uml.puml
new file mode 100644
index 0000000..dc05bf9
--- /dev/null
+++ b/uml.puml
@@ -0,0 +1,828 @@
+@startuml
+interface Drawable {
++ void draw()
+}
+
+class Cell {
+~ float width
+~ int x
+~ Character character
++ boolean hasChar()
++ void draw()
+}
+
+
+class AuraBubble {
+~ Fenster window
+~ Random rand
+~ boolean won
+~ boolean nothing
+~ boolean popped
+~ float x
+~ float extent
+~ int color
+~ void change_color()
++ void hit_check()
+~ void run_out_check()
+~ void shrink(float)
+~ void reset()
+~ void pop()
++ void bubble()
++ boolean draw()
+}
+
+
+class Player {
+~ int health
+~ int maxHealth
+~ List<Skill> skills
+~ Skill skill
++ void damage(int)
++ void heal(int)
+- void level_sync()
++ void draw()
+}
+
+
+class ActiveMQBroker {
++ {static} void main(String[])
+}
+
+class Tiles {
+~ Fenster window
+~ Cell[][] tileMap
+~ float tilewidth
+~ Talkable old_dude
+~ Talkable item
+~ Random rand
+~ Character spot
+~ Character empty
+~ Character tree
+~ Character wall
+~ int num_enemies
+~ void settings()
++ void draw()
++ ArrayList<Cell> get(Character)
+~ void enemy_death_check(Cell)
+~ void spawn_zombie()
++ Character get(int,int)
++ Cell get_cell(int,int)
++ Character set(int,int,Character)
+}
+
+
+class FileHandleUtil {
+- {static} FileHandleUtil INSTANCE
+~ String FILE_PATH
++ {static} FileHandleUtil getInstance()
++ List<Score> readScores()
++ List<Score> readLatestScores()
++ void addScore(Score)
++ boolean deleteFile()
++ void createFile()
+}
+
+
+class Bubble {
+~ Fenster window
+~ List<String> text
+~ boolean opened
+~ int index
+~ float real_x
++ void open()
++ void close()
++ boolean toggle()
++ boolean toggle_without_open()
++ void content(List<String>)
++ void draw(float,float,int)
+}
+
+
+interface Drawable {
++ void draw()
+}
+
+class Cell {
+~ float width
+~ int x
+~ Character character
++ boolean hasChar()
++ void draw()
+}
+
+
+class Animation {
+~ Fenster window
+~ Character player
+~ int frame_count
+~ int numPoints
+~ boolean animating
++ boolean animate(float,float,float,float)
+}
+
+
+class Position {
+~ Fenster window
+~ float x
+~ int grid_x
++ PVector get()
++ PVector get_grid()
++ void set(float,float)
++ void set(PVector)
++ void set_on_grid(int,int)
++ void set_grid_x(int)
++ void set_grid_y(int)
++ void grid_x_change(int)
++ void grid_y_change(int)
++ void sync_grid()
+}
+
+
+class UI {
+~ Fenster window
+- void bottomBar(float,float)
++ void healthBar(float,float,int,int)
++ void exp(int,int,float,float)
++ void draw()
+}
+
+
+abstract class Fightable {
+~ int experience
+~ int level
+~ float damage_mult
++ {abstract}void damage(int)
++ {abstract}void heal(int)
+}
+
+
+class FightScreen {
+~ Fenster window
+~ boolean isState
++ boolean active()
++ boolean draw()
++ void keyPressed()
++ void mousePressed()
+}
+
+
+class Enemy {
+~ int health
+~ int maxHealth
++ void damage(int)
++ void heal(int)
++ void draw()
++ void interact()
+}
+
+
+class Score {
+- int rank
+- PVector position
+- int health
+- LocalDateTime date
+- int score
++ int getRank()
++ void setRank(int)
++ LocalDateTime getDate()
++ void setDate(LocalDateTime)
++ int getScore()
++ PVector getPosition()
++ int getHealth()
++ void setScore(int)
++ String toString()
++ {static} Score fromString(String)
+}
+
+
+class Enemy {
+~ int health
+~ int maxHealth
++ void damage(int)
++ void heal(int)
++ void draw()
++ void interact()
+}
+
+
+class Dialog {
+~ Fenster window
+~ Bubble bubbel
+~ Talkable character
++ void interact()
+}
+
+
+class Skill {
+~ Fenster window
+~ Character user
+~ Character target
+~ {static} int power
+~ int numPoints
+~ boolean animating
++ void use(Fightable)
++ void animate()
++ boolean draw()
+}
+
+
+class AuraFight {
+~ Player player
+~ Enemy enemy
+~ AuraBubble my_aura
+~ float player_x
+~ float player_y
+~ float enemy_x
+~ float enemy_y
+~ boolean pos_set
+~ Skill running_move
+~ void drawPlayer()
+~ void drawEnemy()
+~ boolean getRandomBoolean()
++ void draw()
++ void hit_check()
+}
+
+
+class Score {
+- int rank
+- PVector position
+- int health
+- LocalDateTime date
+- int score
++ int getRank()
++ void setRank(int)
++ LocalDateTime getDate()
++ void setDate(LocalDateTime)
++ int getScore()
++ PVector getPosition()
++ int getHealth()
++ void setScore(int)
++ String toString()
++ {static} Score fromString(String)
+}
+
+
+class Tiles {
+~ Fenster window
+~ Cell[][] tileMap
+~ float tilewidth
+~ Talkable old_dude
+~ Random rand
+~ Character spot
+~ Character empty
+~ Character tree
+~ Character wall
+~ int num_enemies
+~ void settings()
++ void draw()
++ ArrayList<Cell> get(Character)
+~ void enemy_death_check(Cell)
+~ void spawn_zombie()
++ Character get(int,int)
++ Cell get_cell(int,int)
++ Character set(int,int,Character)
+}
+
+
+class AniShrink {
+~ int numPoints
+~ boolean playing
++ boolean animate(int,int)
+- int shrink(int,int)
+}
+
+
+class DeathScreen {
+~ Fenster window
+~ int all_gamma
+~ int rect_gamma
+~ boolean all_fade
+~ boolean isState
++ boolean active()
+~ void restart_text()
+~ void restart_rect()
++ boolean draw()
++ void mousePressed()
+}
+
+
+interface Interactable {
++ void interact()
+}
+
+class Fight {
+~ Player player
+~ Enemy enemy
+~ float player_x
+~ float player_y
+~ float enemy_x
+~ float enemy_y
+~ boolean pos_set
+~ Skill running_move
+~ void drawPlayer()
+~ void drawEnemy()
++ void attack()
++ void draw()
+}
+
+
+class Main {
++ {static} void main(String[])
+}
+
+class UI {
+~ Fenster window
+- void bottomBar(float,float)
++ void healthBar(float,float,int,int)
++ void exp(int)
++ void draw()
+}
+
+
+class GameScreen {
+~ Fenster window
+~ boolean isState
+~ Tiles tiles
+~ Player player
+~ UI ui
+~ char up
+~ char left
+~ char down
+~ char right
+~ Character old_player_cell
+~ int old_player_x
+~ int old_player_y
++ boolean active()
++ boolean draw()
++ void keyPressed()
+}
+
+
+class Tritt {
+~ boolean animating
+~ Animation animation
++ void use(Fightable)
++ void animate()
++ boolean draw()
+}
+
+
+class Position {
+~ Fenster window
+~ float x
+~ int grid_x
++ PVector get()
++ PVector get_grid()
++ void set(float,float)
++ void set(PVector)
++ void set_on_grid(int,int)
++ void set_grid_x(int)
++ void set_grid_y(int)
++ void grid_x_change(int)
++ void grid_y_change(int)
++ void sync_grid()
+}
+
+
+class AuraFight {
+~ Player player
+~ Enemy enemy
+~ AuraBubble my_aura
+~ float player_x
+~ float player_y
+~ float enemy_x
+~ float enemy_y
+~ boolean pos_set
+~ Skill running_move
+~ void drawPlayer()
+~ void drawEnemy()
+~ boolean getRandomBoolean()
++ void draw()
++ void hit_check()
+}
+
+
+class Talkable {
+~ Bubble bubble
++ void interact()
++ void draw()
+}
+
+
+class StartScreen {
+~ Fenster window
+~ boolean isState
+~ Bubble startingDialog
+~ AniShrink startingAnimation
++ boolean active()
++ void setup()
++ boolean draw()
++ void keyPressed()
+}
+
+
+interface State {
+~ {static} Fenster window
+~ {static} boolean isState
++ boolean active()
++ boolean draw()
+}
+
+
+class DeathScreen {
+~ Fenster window
+~ int all_gamma
+~ int rect_gamma
+~ boolean all_fade
+~ boolean isState
++ boolean active()
+~ void restart_text()
+~ void restart_rect()
++ boolean draw()
++ void mousePressed()
+}
+
+
+class AniMove {
++ boolean animate(float,float,float,float)
++ PVector move(float,float,float,float)
+}
+
+class AniShrink {
+~ int numPoints
+~ boolean playing
++ boolean animate(int,int)
+- int shrink(int,int)
+}
+
+
+class Skill {
+~ Fenster window
+~ Fightable user
+~ Fightable target
+~ {static} int power
+~ int numPoints
+~ boolean animating
++ void use(Fightable)
++ void animate()
++ boolean draw()
+}
+
+
+class Dialog {
+~ Fenster window
+~ Bubble bubbel
+~ Talkable character
++ void interact()
+}
+
+
+class AniMove {
++ boolean animate(float,float,float,float)
++ PVector move(float,float,float,float)
+}
+
+class Animation {
+~ Fenster window
+~ Character player
+~ int frame_count
+~ int numPoints
+~ boolean animating
++ boolean animate(float,float,float,float)
+}
+
+
+interface Health {
++ void damage(int)
++ void heal(int)
+}
+
+class Tritt {
+~ boolean animating
+~ Animation animation
++ void use(Fightable)
++ void animate()
++ boolean draw()
+}
+
+
+class StartScreen {
+~ Fenster window
+~ boolean isState
+~ Bubble startingDialog
+~ AniShrink startingAnimation
++ boolean active()
++ void setup()
++ boolean draw()
++ void keyPressed()
+}
+
+
+class AuraBubble {
+~ Fenster window
+~ Random rand
+~ boolean won
+~ boolean nothing
+~ boolean popped
+~ float x
+~ float extent
+~ int color
+~ void change_color()
++ void hit_check()
+~ void run_out_check()
+~ void shrink(float)
+~ void reset()
+~ void pop()
++ void bubble()
++ boolean draw()
+}
+
+
+class Player {
+~ int health
+~ int maxHealth
+~ List<Skill> skills
+~ Skill skill
++ void damage(int)
++ void heal(int)
+}
+
+
+abstract class Fightable {
++ {abstract}void damage(int)
++ {abstract}void heal(int)
+}
+
+class Main {
++ {static} void main(String[])
+}
+
+class AuraFail {
+~ void change_color()
+~ void run_out_check()
++ void hit_check()
+}
+
+class AuraFail {
+~ void change_color()
+~ void run_out_check()
++ void hit_check()
+}
+
+class Bubble {
+~ Fenster window
+~ List<String> text
+~ boolean opened
+~ int index
+~ float real_x
++ void open()
++ void close()
++ boolean toggle()
++ boolean toggle_without_open()
++ void content(List<String>)
++ void draw(float,float,int)
+}
+
+
+class Main {
++ {static} void main(String[])
+}
+
+class Talkable {
+~ Bubble bubble
+~ boolean healme
++ void interact()
++ void draw()
+}
+
+
+class FileHandleUtil {
+- {static} FileHandleUtil INSTANCE
+~ String FILE_PATH
++ {static} FileHandleUtil getInstance()
++ List<Score> readScores()
++ List<Score> readLatestScores()
++ void addScore(Score)
++ boolean deleteFile()
++ void createFile()
+}
+
+
+class Fenster {
+~ Score save
+~ FileHandleUtil savefile
+~ Player player
+~ Tiles tiles
+~ int translate_x
+~ int translate_y
+~ float tilewidth
+~ StartScreen startScreen
+~ GameScreen gameScreen
+~ FightScreen fightScreen
+~ DeathScreen deathScreen
+~ SoundFile soundTrack
+~ SoundFile confirm
+~ SoundFile enemyDamage
+~ SoundFile playerDamage
+~ SoundFile healEffect
+~ SoundFile shrinkEffect
+~ SoundFile noHit
+~ SoundFile deathSound
+~ SoundFile restart
+~ boolean gametitel
+~ Fight myfight
+~ AuraFight auraFight
+~ int gametitel_gamma
+~ boolean gametitel_fade
+~ UI ui
++ {static} void main(String[])
++ void settings()
++ void setup()
++ void draw()
++ void keyPressed(processing.event.KeyEvent)
++ void mousePressed()
+~ void setupPlayer()
+~ void closeGame()
+~ void classSetup()
+~ void classSetupWithSave()
++ void dead()
++ void reset()
+}
+
+
+interface State {
+~ {static} Fenster window
+~ {static} boolean isState
++ boolean active()
++ boolean draw()
+}
+
+
+class Character {
+~ Fenster window
+~ String type
+~ int color
+~ boolean collidable
+~ Position pos
+~ int experience
+~ int level
+~ float damage_mult
+~ int textsize
++ void draw()
+}
+
+
+class GameScreen {
+~ Fenster window
+~ boolean isState
+~ Tiles tiles
+~ Player player
+~ UI ui
+~ char up
+~ char left
+~ char down
+~ char right
+~ Character old_player_cell
+~ int old_player_x
+~ int old_player_y
++ boolean active()
++ boolean draw()
++ void keyPressed()
+}
+
+
+interface Interactable {
++ void interact()
+}
+
+interface Health {
++ void damage(int)
++ void heal(int)
+}
+
+class Fight {
+~ Player player
+~ Enemy enemy
+~ float player_x
+~ float player_y
+~ float enemy_x
+~ float enemy_y
+~ boolean pos_set
+~ Skill running_move
+~ void drawPlayer()
+~ void drawEnemy()
++ void attack()
++ void draw()
+}
+
+
+class FightScreen {
+~ Fenster window
+~ boolean isState
++ boolean active()
++ boolean draw()
++ void keyPressed()
++ void mousePressed()
+}
+
+
+class Character {
+~ Fenster window
+~ String type
+~ int color
+~ boolean collidable
+~ Position pos
+~ int textsize
++ void draw()
+}
+
+
+class Fenster {
+~ Score save
+~ FileHandleUtil savefile
+~ Player player
+~ Tiles tiles
+~ float tilewidth
+~ StartScreen startScreen
+~ GameScreen gameScreen
+~ FightScreen fightScreen
+~ DeathScreen deathScreen
+~ SoundFile soundTrack
+~ SoundFile confirm
+~ SoundFile enemyDamage
+~ SoundFile playerDamage
+~ SoundFile healEffect
+~ SoundFile shrinkEffect
+~ SoundFile noHit
+~ SoundFile deathSound
+~ SoundFile restart
+~ boolean gametitel
+~ Fight myfight
+~ AuraFight auraFight
+~ int gametitel_gamma
+~ boolean gametitel_fade
+~ UI ui
++ {static} void main(String[])
++ void settings()
++ void setup()
++ void draw()
++ void keyPressed(processing.event.KeyEvent)
++ void mousePressed()
+~ void setupPlayer()
+~ void closeGame()
+~ void classSetup()
++ void dead()
++ void reset()
+}
+
+
+
+
+Health <|.. Player
+Fightable <|-- Player
+Drawable <|.. Tiles
+Character <|-- Fightable
+State <|.. FightScreen
+Health <|.. Enemy
+Interactable <|.. Enemy
+Fightable <|-- Enemy
+Health <|.. Enemy
+Interactable <|.. Enemy
+Fightable <|-- Enemy
+Interactable <|.. Dialog
+Drawable <|.. AuraFight
+Bubble <|-- AuraFight
+Drawable <|.. Tiles
+Animation <|-- AniShrink
+State <|.. DeathScreen
+Bubble <|-- Fight
+State <|.. GameScreen
+Skill <|-- Tritt
+Drawable <|.. AuraFight
+Bubble <|-- AuraFight
+Interactable <|.. Talkable
+Character <|-- Talkable
+State <|.. StartScreen
+State <|.. DeathScreen
+Animation <|-- AniMove
+Animation <|-- AniShrink
+Interactable <|.. Dialog
+Animation <|-- AniMove
+Skill <|-- Tritt
+State <|.. StartScreen
+Health <|.. Player
+Fightable <|-- Player
+Character <|-- Fightable
+AuraBubble <|-- AuraFail
+AuraBubble <|-- AuraFail
+Interactable <|.. Talkable
+Character <|-- Talkable
+processing.core.PApplet <|-- Fenster
+Drawable <|.. Character
+State <|.. GameScreen
+Bubble <|-- Fight
+State <|.. FightScreen
+Drawable <|.. Character
+processing.core.PApplet <|-- Fenster
+@enduml
\ No newline at end of file