Standardize potion amount checking

action/battle.lua

@@ -13,28 +13,15 @@ local utils = require "util.utils"
 local inventory = require "storage.inventory"
 local pokemon = require "storage.pokemon"
 
-local function potionsForHit(potion, currHP, maxHP)
+local function potionsForHit(potion, curr_hp, max_hp)
 	if not potion then
 		return
 	end
 	local ours, killAmount = combat.inKillRange()
 	if ours then
-		local potionHP
-		if potion == "full_restore" then
-			potionHP = 999
-		elseif potion == "super_potion" then
-			potionHP = 50
-		else
-			potionHP = 20
-		end
-		if not currHP then
-			currHP = pokemon.index(0, "hp")
-			maxHP = pokemon.index(0, "max_hp")
-		end
-		return math.min(currHP + potionHP, maxHP) >= killAmount - 2
+		return utils.canPotionWith(potion, killAmount, curr_hp, max_hp)
 	end
 end
-battle.potionsForHit = potionsForHit
 
 local function recover()
 	if control.canRecover() then

ai/combat.lua

@@ -163,7 +163,7 @@ local function modPlayerStats(user, enemy, move)
 end
 
 local function calcBestHit(attacker, defender, ours, rng)
-	local bestTurns, bestMinTurns = 9999, 9999
+	local bestTurns, bestMinTurns = 9001, 9001
 	local bestDmg = -1
 	local ourMaxHit
 	local ret = nil
@@ -173,7 +173,7 @@ local function calcBestHit(attacker, defender, ours, rng)
 			if maxDmg then
 				local minTurns, maxTurns
 				if maxDmg <= 0 then
-					minTurns, maxTurns = 9999, 9999
+					minTurns, maxTurns = 9001, 9001
 				else
 					minTurns = math.ceil(defender.hp / maxDmg)
 					maxTurns = math.ceil(defender.hp / minDmg)

ai/strategies.lua

@@ -215,19 +215,12 @@ end
 local function canHealFor(damage)
 	local curr_hp = pokemon.index(0, "hp")
 	local max_hp = pokemon.index(0, "max_hp")
-	if max_hp - curr_hp < 5 then
-		return nil
-	end
-	local healChecks = {
-		{"full_restore", 9001},
-		{"super_potion", 50},
-		{"potion", 20},
-	}
-	for idx,potion in ipairs(healChecks) do
-		local name = potion[1]
-		local result_hp = math.min(curr_hp + potion[2], max_hp)
-		if result_hp >= damage and inventory.contains(name) then
-			return name
+	if max_hp - curr_hp > 3 then
+		local healChecks = {"full_restore", "super_potion", "potion"}
+		for idx,potion in ipairs(healChecks) do
+			if inventory.contains(potion) and utils.canPotionWith(potion, damage, curr_hp, max_hp) then
+				return potion
+			end
 		end
 	end
 end

util/utils.lua

@@ -2,14 +2,12 @@ local utils = {}
 
 local memory = require "util.memory"
 
+-- GENERAL
+
 function utils.dist(x1, y1, x2, y2)
 	return math.sqrt(math.pow(x2 - x1, 2) + math.pow(y2 - y1, 2))
 end
 
-function utils.ingame()
-	return memory.raw(0x020E) > 0
-end
-
 function utils.each(table, func)
 	for key,val in pairs(table) do
 		func(key.." = "..tostring(val)..",")
@@ -44,11 +42,22 @@ function utils.key(needle, haystack)
 	return nil
 end
 
-function utils.igt()
-	local secs = memory.raw(0xDA44)
-	local mins = memory.raw(0xDA43)
-	local hours = memory.raw(0xDA41)
-	return secs + mins * 60 + hours * 3600
+-- GAME
+
+function utils.canPotionWith(potion, forDamage, curr_hp, max_hp)
+	local potion_hp
+	if potion == "full_restore" then
+		potion_hp = 9001
+	elseif potion == "super_potion" then
+		potion_hp = 50
+	else
+		potion_hp = 20
+	end
+	return math.min(curr_hp + potion_hp, max_hp) >= forDamage - 1
+end
+
+function utils.ingame()
+	return memory.raw(0x020E) > 0
 end
 
 function utils.onPokemonSelect(battleMenu)
@@ -57,6 +66,13 @@ end
 
 -- TIME
 
+function utils.igt()
+	local secs = memory.raw(0xDA44)
+	local mins = memory.raw(0xDA43)
+	local hours = memory.raw(0xDA41)
+	return secs + mins * 60 + hours * 3600
+end
+
 local function clockSegment(unit)
 	if unit < 10 then
 		unit = "0"..unit