chore: extract battle aglorythm in battleutils

sonic-radiance.love/datas/cbs.lua

@@ -3,4 +3,8 @@ local CONST = {}
 CONST.ACCURACY = 100
 CONST.ATKWRONGTYPE = 0.66
 
+CONST.DAMAGE = {}
+CONST.DAMAGE.DIVISOR = 10
+CONST.DAMAGE.DEFFACTOR = 0.66
+
 return CONST

sonic-radiance.love/game/utils/battle/init.lua

@@ -1,3 +1,41 @@
 local BattleUtils = {}
+local CONSTS = require "datas.cbs"
+
+function BattleUtils.computeLaunchingDamages(base, stats, isSpecial)
+    local damages = base / CONSTS.DAMAGE.DIVISOR
+    if (isSpecial) then
+        damages = damages * stats.power
+    else
+        damages = damages * stats.attack
+    end
+    return damages
+end
+
+function BattleUtils.computeReceivingDamages(base, stats, isSpecial, isDefending)
+    local damages = base
+    if (isSpecial) then
+        damages = damages / stats.mind
+    else
+        damages = damages / stats.defense
+    end
+
+    if (isDefending) then
+        damages = damages * CONSTS.DAMAGE.DEFFACTOR
+    end
+
+    return damages
+end
+
+function BattleUtils.applyProtectTypes(value, type, protectype)
+    if (utils.table.contain(protectype, "aerial") and type == "basic") then
+        value = value * CONSTS.ATKWRONGTYPE
+      end    
+      return value
+end
+
+function BattleUtils.isAttackSuccess(statutList)
+    local accuracy = 100
+    return (math.random(100) <= accuracy)
+end
 
 return BattleUtils

sonic-radiance.love/scenes/battlesystem/controllers/fighters/parent.lua

@@ -1,6 +1,7 @@
 local FighterParent = Object:extend()
 
 local CONST = require "datas.cbs"
+local battleutils = require "game.utils.battle"
 
 function FighterParent:new(owner, isHero, id)
   self.owner = owner
@@ -75,50 +76,32 @@ function FighterParent:haveProtecType(type)
 end
 
 function FighterParent:sendDamage(target, value, type, element, isSpecial)
-  local stats = self:getStats()
+  local damage = battleutils.computeLaunchingDamages(value, self:getStats(), isSpecial)
-  local value = value / 10
 
-  if (isSpecial) then
+  core.debug:print("cbs/battler", "Sending " .. damage .." damage at " .. target.name)
-    value = value * stats.power
+  return target:receiveDamage(damage, type, element, isSpecial, self)
-  else
-    value = value * stats.attack
-  end
-
-  core.debug:print("cbs/battler", "Sending " .. value .." damage at " .. target.name)
-
-  return target:receiveDamage(value, type, element, isSpecial, self)
 end
 
 function FighterParent:receiveDamage(value, type, element, isSpecial, fromWho)
-  local accuracy = 100
+  local damages = battleutils.computeReceivingDamages(value, self:getStats(), isSpecial, self.isDefending)
-  local stats = self:getStats()
+  damages = battleutils.applyProtectTypes(damages, type, self:getProtecTypes())
-  local isSuccess = true
 
-  if (isSpecial) then
+  if (battleutils.isAttackSuccess(nil)) then
-    value = value / stats.mind
+    self:applyDamage(damages)
-  else
-    value = value / stats.defense
-  end
-
-  if (self:haveProtecType("aerial") and type == "basic") then
-    value = value * CONST.ATKWRONGTYPE
-  end
-
-  isSuccess = (math.random(100) <= accuracy)
-
-  if (isSuccess) then
-    core.debug:print("cbs/fighter", "Taken " .. value .. " damage" )
-    if (self.isDefending) then
-      self:setHP(value * -0.66, true)
-    else
-      self:setHP(value * -1, true)
-      self.actor:getHurt()
-    end
   else
     self.actor:avoidedAttack()
+    return false
   end
 
-  return isSuccess
+  return true
+end
+
+function FighterParent:applyDamage(damage)
+  core.debug:print("cbs/fighter", "Taken " .. damage .. " damage" )
+  self:setHP(damage * -1, true)
+  if (not self.isDefending) then
+    self.actor:getHurt()
+  end
 end
 
 function FighterParent:getAbstract()