fantasy-brawl-cd2025/_classes/sp.lua

skillz.register_skill("fbrawl:sp", {
   name = "fbrawl:sp",
   hud = {
      {
         name = "bar",
         hud_elem_type = "image",
         text = "fbrawl_hud_sp_bar.png",
         position = {x=0.51, y=0.909},
         scale = {x=13*16, y=1.1*16},
         alignment = {x=1, y=0.5}
      },
      {
         name = "pointer_status",
         hud_elem_type = "image",
         text = "fbrawl_transparent.png",
         position = {x=0.5, y=0.5},
         offset = {x=-18.75, y = 0},
         scale = {x=2.5, y=2.5},
         alignment = {x=0.5, y=0.5},
      }
   },
   data = {
      amount = 100,
      multiplier = 1
   },
   loop_params = {
      cast_rate = 0.3,
   },
   recharge_duration = 14,


   -- "PUBLIC" FUNCTIONS 
   set = function(self, new_amount)     
      self.data.amount = math.min(math.max(new_amount, 0), 100)
   end,
   add = function(self, amount)
      self:set(self.data.amount + amount)
   end,
   sub = function(self, amount)
      self:set(self.data.amount - amount)
   end,

   get_recharged_sp_per_second = function (self)
      return (100 / self.recharge_duration) * self.data.multiplier
   end,

   -- SKILL LOGIC
   cast = function(self)
      local speed_multiplier = self.data.multiplier
      local recharge_step = 100 / self.recharge_duration * self.loop_params.cast_rate * speed_multiplier

      self:add(recharge_step)
      self:update_bar_size()
      self:update_bar_color()
   end,


   -- "PRIVATE" FUNCTIONS
   update_bar_size = function(self)
      local max_length = 13 * 16
      local progress = self.data.amount/100
      local scale_x = progress * max_length

      self.player:hud_change(self.data._hud["bar"], "scale", {x=scale_x, y=1.1*16})
   end,

   update_bar_color = function(self)
      local wielded_item_name = self.player:get_wielded_item():get_name()
      local skill = self.pl_name:get_skill(wielded_item_name:gsub("fantasy_brawl", "fbrawl"))

      if skill and skill.sp then
         if not fbrawl.has_enough_sp(skill) then
            self.player:hud_change(self.data._hud["bar"], "text", "fbrawl_hud_sp_bar_red.png")
            return
         end
      end

      self.player:hud_change(self.data._hud["bar"], "text", "fbrawl_hud_sp_bar.png")
   end
})



function fbrawl.consume_sp(skill)
   if fbrawl.has_enough_sp(skill) then
      local sp_skill = skill.pl_name:get_skill("fbrawl:sp")
      
      if skill.cooldown_timer > 0 then
         skill:cast()  --
         skill:start() -- this will print an error in the chat
         return false
      end

      sp_skill:sub(skill.sp)

      return true
   else 
      return false
   end
end



function fbrawl.has_enough_sp(skill)
   local sp_skill = skill.pl_name:get_skill("fbrawl:sp")

   if skill.sp and sp_skill and sp_skill.is_active then
      return sp_skill.data.amount >= skill.sp
   else
      return false
   end
end