#738 Adds RulerSelection enum.

src/main/java/org/openRealmOfStars/player/government/GovernmentType.java

@@ -197,6 +197,51 @@ public int getIndex() {
     return index;
   }
 
+  /**
+   * Get Ruler selection type.
+   * @return Ruler Selection type.
+   */
+  public RulerSelection getRulerSelection() {
+    switch (this) {
+      default:
+      case CLAN:
+      case HORDE:
+      case HIVEMIND:
+      case NEST: {
+        return RulerSelection.STRONG_RULER;
+      }
+      case HIERARCHY:
+      case REGIME: {
+        return RulerSelection.STRONG_RULER;
+      }
+      case EMPIRE:
+      case FEUDALISM:
+      case KINGDOM: {
+        return RulerSelection.HEIR_TO_THRONE;
+      }
+      case GUILD:
+      case ENTERPRISE: {
+        return RulerSelection.CEO_AS_A_RULER;
+      }
+      case DEMOCRACY:
+      case TECHNOCRACY:
+      case UNION: {
+        return RulerSelection.ELECTION_TYPE1;
+      }
+      case FEDERATION:
+      case REPUBLIC: {
+        return RulerSelection.ELECTION_TYPE2;
+      }
+      case UTOPIA:
+      case HEGEMONY: {
+        return RulerSelection.HEGEMONIA_RULER;
+      }
+      case AI:
+      case COLLECTIVE: {
+        return RulerSelection.AI_RULER;
+      }
+    }
+  }
   /**
    * Is government immune to happiness system?
    * Is Government single minded organism?

src/main/java/org/openRealmOfStars/player/government/RulerSelection.java

@@ -0,0 +1,64 @@
+package org.openRealmOfStars.player.government;
+/*
+ * Open Realm of Stars game project
+ * Copyright (C) 2024 Tuomo Untinen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see http://www.gnu.org/licenses/
+ */
+
+/**
+ * Enumeration how ruler is selected for government.
+ *
+ */
+public enum RulerSelection {
+
+  /** Strong ruler is selected which has aggressive perks. Age also matters
+   * and should not be too young or too old. Also if parent has been known
+   * leader this affects.
+   */
+  STRONG_RULER,
+  /** Ruler is being selected based hereditary ranks. If there are not heirs,
+   * then STRONG_RULER is being used.
+   */
+  HEIR_TO_THRONE,
+  /**
+   * Ruler is selected like CEO is being selected for big corporation. Leader
+   * needs to be skillful and willing to make credits. Older candidates are
+   * more likely to be selected.
+   */
+  CEO_AS_A_RULER,
+  /**
+   * Ruler is being elected, charismatic, peaceful and skillful leader is good
+   * chance to be elected. Certain age is good, but too old start dropping the
+   * chances. There is also a bit randomness which is simulating the voting.
+   */
+  ELECTION_TYPE1,
+  /**
+   * Ruler is being elected, charismatic, strong and skillful leader is good
+   * chance to be elected. Old age is good for election.
+   * There is also a bit randomness which is simulating the voting.
+   */
+  ELECTION_TYPE2,
+  /**
+   * Strong minded, charismatic leader has good chance to win. Candidate age
+   * also affects, but too old get negative score.
+   */
+  HEGEMONIA_RULER,
+  /**
+   * Skillful, charismatic leader, but pacifist or peacefull is negative for
+   * leader. Age does not matter at all. Only number of perks.
+   */
+  AI_RULER;
+
+}