Mirror overworld difficulty (#46)

* chore: Port to 1.20.5 and probably break something important

* chore: Fix commented line

Signed-off-by: Awakened-Redstone <40528665+Awakened-Redstone@users.noreply.github.com>

* chore: Add option to mirror overworld's difficulty

Signed-off-by: Awakened-Redstone <40528665+Awakened-Redstone@users.noreply.github.com>

---------

Signed-off-by: Awakened-Redstone <40528665+Awakened-Redstone@users.noreply.github.com>

src/main/java/xyz/nucleoid/fantasy/RuntimeWorldConfig.java

@@ -30,6 +30,7 @@ public final class RuntimeWorldConfig {
     private Difficulty difficulty = Difficulty.NORMAL;
     private final GameRuleStore gameRules = new GameRuleStore();
     private boolean mirrorOverworldGameRules = false;
+    private boolean mirrorOverworldDifficulty = false;
     private RuntimeWorld.Constructor worldConstructor = RuntimeWorld::new;
 
     private int sunnyTime = Integer.MAX_VALUE;
@@ -203,6 +204,18 @@ public RuntimeWorldConfig setMirrorOverworldGameRules(boolean mirror) {
         return this;
     }
 
+    /**
+     * Defines if the world should follow the overworld difficulty or not
+     *
+     * @param mirror Whenever it should mirror or not
+     *
+     * @return The same instance of RuntimeWorldConfig
+     */
+    public RuntimeWorldConfig setMirrorOverworldDifficulty(boolean mirror) {
+        this.mirrorOverworldDifficulty = mirror;
+        return this;
+    }
+
     /**
      * Modifies the weather to sunny
      *
@@ -336,18 +349,36 @@ public long getTimeOfDay() {
         return this.timeOfDay;
     }
 
+    /**
+     * Gets the current configured difficulty
+     * <br/>
+     * <b>It may not reflect the real difficulty, also check </b>{@link RuntimeWorldConfig#shouldMirrorOverworldDifficulty()}
+     *
+     * @return The current difficulty stored in the config
+     */
     public Difficulty getDifficulty() {
         return this.difficulty;
     }
 
+    /**
+     * Gets the current configured gamerules
+     * <br/>
+     * <b>It may not reflect the real gamerules, also check </b>{@link RuntimeWorldConfig#shouldMirrorOverworldGameRules()}
+     *
+     * @return The current gamerules stored in the config
+     */
     public GameRuleStore getGameRules() {
         return this.gameRules;
     }
 
-    public boolean shouldMirrorOverworldGameRules(){
+    public boolean shouldMirrorOverworldGameRules() {
         return this.mirrorOverworldGameRules;
     }
 
+    public boolean shouldMirrorOverworldDifficulty() {
+        return this.mirrorOverworldDifficulty;
+    }
+
     public int getSunnyTime() {
         return this.sunnyTime;
     }

src/main/java/xyz/nucleoid/fantasy/RuntimeWorldProperties.java

@@ -19,8 +19,9 @@ public RuntimeWorldProperties(SaveProperties saveProperties, RuntimeWorldConfig
 
     @Override
     public GameRules getGameRules() {
-        if (this.config.shouldMirrorOverworldGameRules())
+        if (this.config.shouldMirrorOverworldGameRules()) {
             return super.getGameRules();
+        }
         return this.rules;
     }
 
@@ -86,6 +87,9 @@ public int getThunderTime() {
 
     @Override
     public Difficulty getDifficulty() {
+        if (this.config.shouldMirrorOverworldDifficulty()) {
+            return super.getDifficulty();
+        }
         return this.config.getDifficulty();
     }
 }