started research skills

scripts/skills.gd

@@ -0,0 +1,18 @@
+class_name Skills
+extends Resource
+
+enum ABILITIES { HARVEST_GEM, CORRUPT_RESOURCE, CORRUPT_BUILDING }
+
+var _aquired_skills: Array[ABILITIES] = []
+
+func aquire_skill(skill: ABILITIES) -> void:
+	_aquired_skills.append(skill)
+
+func has_skill(skill: ABILITIES) -> bool:
+	return _aquired_skills.has(skill)
+
+func has_skills(skills: Array[ABILITIES]) -> bool:
+	var _has_skills = true
+	for skill: ABILITIES in skills:
+		_has_skills = _has_skills and has_skill(skill)
+	return _has_skills