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https://github.com/bryanthaboi/gen1recomp.git
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bryanthaboi
88 lines
3.2 KiB
Lua
88 lines
3.2 KiB
Lua
-- Parity test (#1519): wStepCounter is zeroed by ClearVariablesOnEnterMap
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-- (engine/overworld/clear_variables.asm:7), reached from EnterMap on a warp
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-- and from the post-battle tail jump (home/overworld.asm:353), but never from
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-- CheckMapConnections (home/overworld.asm:675), so a seam crossing keeps phase.
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-- Self-contained; run via `luajit tests/parity_field_poison_phase.lua`.
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package.path = "./?.lua;./?/init.lua;" .. package.path
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if not _G.love then _G.love = require("tests.love_stub") end
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local Data = require("src.core.Data")
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if not (Data.maps and Data.maps.PALLET_TOWN) then Data:load() end
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local S = require("tests.harness").suite("parity field poison phase")
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local check, eq = S.check, S.eq
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require("src.render.Font").load(Data)
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local Game = require("src.core.Game")
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local Input = require("src.core.Input")
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local StateStack = require("src.core.StateStack")
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local Renderer = require("src.render.Renderer")
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local SaveData = require("src.core.SaveData")
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local Pokemon = require("src.pokemon.Pokemon")
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local OW = require("src.world.OverworldController")
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Game.data = Data
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Game.input = Input; Input:init()
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Game.renderer = Renderer; Renderer:init()
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Game.stack = StateStack; StateStack:init()
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Game.save = SaveData.newGame()
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Game.save.party = { Pokemon.new(Data, "SQUIRTLE", 12) }
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Game.stack:push(OW, "PALLET_TOWN", 5, 6, "down")
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local ow = Game.stack:top()
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Game.overworld = ow
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local mon = Game.save.party[1]
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mon.status = "PSN"
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-- Walk until the poison bites, and report which step it was.
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local function stepsToTick(limit)
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for i = 1, limit or 12 do
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local before = mon.hp
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ow:applyFieldPoison()
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if mon.hp < before then return i end
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end
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return nil
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end
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local function reheal()
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mon.hp = mon.stats.hp
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mon.status = "PSN"
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end
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-- ---- the free-running four-step cycle ------------------------------------
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Game.save.poisonSteps = 0
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eq(stepsToTick(), 4, "a cleared counter bites on the fourth step")
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reheal()
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eq(stepsToTick(), 4, "and every fourth step after that")
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reheal()
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Game.save.poisonSteps = 2
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eq(stepsToTick(), 2, "a counter two steps into the cycle bites two steps later")
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-- ---- a real map load re-phases it ----------------------------------------
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reheal()
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Game.save.poisonSteps = 2
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ow:setMap("PALLET_TOWN", 5, 6, "down", { via = "warp" })
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eq(Game.save.poisonSteps, 0, "setMap clears the counter")
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eq(stepsToTick(), 4, "so the first tick after a warp is four steps out")
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-- ---- a connection crossing does not --------------------------------------
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reheal()
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Game.save.poisonSteps = 2
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ow:setMap("ROUTE_1", 9, 33, "up", { seamless = true, keepMusic = true })
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eq(Game.save.poisonSteps, 2, "a seamless crossing leaves the counter alone")
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eq(stepsToTick(), 2, "so the seam does not delay the tick")
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-- ---- a battle return re-phases it ----------------------------------------
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reheal()
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Game.save.poisonSteps = 2
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ow:afterBattle("win", { kind = "wild" })
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eq(Game.save.poisonSteps, 0, "afterBattle clears the counter")
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eq(stepsToTick(), 4, "so poison always bites four steps after a battle")
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reheal()
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Game.save.poisonSteps = 3
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ow:afterBattle("win", { kind = "trainer", oppClass = "OPP_YOUNGSTER" })
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eq(stepsToTick(), 4, "trainer battles re-phase it the same way")
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S.finish()
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