Add AttackRequirementDSL and small changes to CombatSpellDSL

data/plugins/combat/attack_requirements.rb

@@ -1,5 +1,6 @@
 java_import 'org.apollo.cache.def.ItemDefinition'
 java_import 'org.apollo.game.model.entity.EquipmentConstants'
+java_import 'org.apollo.game.model.entity.Skill'
 java_import 'org.apollo.cache.def.EquipmentDefinition'
 
 class AttackRequirementException < Exception
@@ -20,6 +21,26 @@ class AttackRequirement
   end
 end
 
+class AttackRequirementDSL
+
+  attr_reader :requirements
+
+  def initialize(&block)
+    @requirements = []
+
+    instance_eval(&block)
+  end
+
+  def rune(type, amount:)
+    requirements << RuneRequirement.new(type, amount)
+  end
+
+  def skill(skill, level:)
+    requirements << LevelRequirement.new(skill, level)
+  end
+  
+end
+
 class SpecialEnergyRequirement < AttackRequirement
   def initialize(amount)
     @amount = amount
@@ -36,15 +57,76 @@ class SpecialEnergyRequirement < AttackRequirement
 
   def apply!(player)
     player.special_energy = player.special_energy - @amount
-    player.using_special  = false
+    player.using_special = false
 
     update_special_bar player
   end
 end
 
+class LevelRequirement < AttackRequirement
+
+  SKILLS = {
+    :magic => Skill::MAGIC
+  }
+
+  def initialize(type, level)
+    fail "Could not find '#{type}' skill." unless SKILLS.has_key?(type)
+
+    @skill = SKILLS[type]
+    @level = level
+  end
+
+  def validate(player)
+    current_level = player.skill_set.current_level(@skill)
+
+    throw AttackRequirementException.new(skill_requirement_message) unless current_level >= @level
+  end
+
+  def apply!(player)
+  end
+
+  private
+
+  def skill_requirement_message
+    "TODO"
+  end
+end
+
+class RuneRequirement < AttackRequirement
+
+  RUNES = {
+    :air => 556, :water => 555, :earth => 557, :fire => 554,
+    :mind => 558, :chaos => 562, :death => 560, :blood => 565,
+    :cosmic => 564, :law => 563, :nature => 561, :soul => 566
+  }
+
+  def initialize(type, amount)
+    fail "Could not find '#{type}' rune." unless RUNES.has_key?(type)
+
+    @rune = RUNES[type]
+    @amount = amount
+  end
+
+  def validate(player)
+    throw AttackRequirementException.new(item_missing_message) unless player.inventory.get_amount(@rune) >= @amount
+  end
+
+  def apply!(player)
+    player.inventory.remove(@rune, @amount)
+  end
+
+  private
+
+  def item_missing_message
+    definition = ItemDefinition.lookup(@rune)
+    
+    "You don't have enough #{definition.name}s"
+  end
+end
+
 class ItemRequirement < AttackRequirement
   def initialize(item, amount)
-    @item   = item
+    @item = item
     @amount = amount
   end
 
@@ -72,10 +154,10 @@ class AmmoRequirement < AttackRequirement
 
   def validate(player)
     equipped_weapon_item = player.equipment.get(EquipmentConstants::WEAPON)
-    equipped_weapon_def  = EquipmentDefinition.lookup(equipped_weapon_item.id)
-    equipped_weapon      = EquipmentUtil.equipped_weapon player
-    equipped_ammo        = EquipmentUtil.equipped_ammo player
-    equipped_ammo_amt    = player.equipment.get(EquipmentConstants::AMMO).amount
+    equipped_weapon_def = EquipmentDefinition.lookup(equipped_weapon_item.id)
+    equipped_weapon = EquipmentUtil.equipped_weapon player
+    equipped_ammo = EquipmentUtil.equipped_ammo player
+    equipped_ammo_amt = player.equipment.get(EquipmentConstants::AMMO).amount
 
     if equipped_ammo.nil?
       fail AttackRequirementException.new('You have no ammo left in your quiver!')