mirror of
https://github.com/bryanthaboi/gen1recomp.git
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bryanthaboi
f0a88ea473
* audio timing stuff * bug fixes and translation additions * translation stuff * Update modkit.py * better asset resolution
72 lines
2.8 KiB
Lua
72 lines
2.8 KiB
Lua
-- Parity test: which evolutions honour a B press.
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-- Self-contained: run via `luajit tests/parity_evolution_cancel.lua`; also
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-- dofile'd by tests/run_tests.lua's aggregator.
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--
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-- engine/movie/evolution.asm Evolution_CheckForCancel reads the joypad each
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-- flash and, on B, checks wForceEvolution before honouring it:
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--
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-- .pressedB
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-- ld a, [wForceEvolution]
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-- and a
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-- jr nz, .notAllowedToCancel
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--
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-- ItemUseEvoStone sets wForceEvolution before calling TryEvolvingMon, so a
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-- stone evolution reads the press and throws it away (#290). Trade
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-- evolutions never reach the poll at all, since evos_moves.asm routes
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-- LINK_STATE_TRADING past it (#213). That leaves level-up and rare candy,
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-- which run with wForceEvolution clear, as the only cancelable kinds.
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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 evolution cancel")
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local check, eq = S.check, S.eq
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local Game = require("src.core.Game")
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local SaveData = require("src.core.SaveData")
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local StateStack = require("src.core.StateStack")
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Game.data = Data
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Game.save = SaveData.newGame()
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Game.stack = StateStack; StateStack:init()
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require("src.render.Font").load(Data)
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local EvolutionState = require("src.ui.EvolutionState")
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-- `via` is the evolution method id out of Evolution.METHODS, which is also
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-- what data/generated/pokemon.lua stores on each evolution record.
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local function cancelable(via)
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local mon = { species = "PIKACHU", level = 20 }
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local state = EvolutionState.new(Game, mon, "RAICHU", function() end, via)
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return state.cancelable
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end
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eq(cancelable("LEVEL"), true, "level-up evolutions honour B")
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eq(cancelable("ITEM"), false, "stone evolutions ignore B (#290)")
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eq(cancelable("TRADE"), false, "trade evolutions ignore B (#213)")
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-- rare candy walks the same level-up path, so it stays cancelable; an
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-- unknown/mod method has no wForceEvolution equivalent and defaults to the
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-- cancelable branch rather than silently locking the player in
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eq(cancelable(nil), true, "an unspecified method stays cancelable")
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eq(cancelable("MOD_CUSTOM"), true, "a mod method defaults to cancelable")
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-- the stone methods really are the ITEM records, so the id above is the one
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-- the data uses (this is what ties the assertion to real content)
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do
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local stoneEvos, itemMethod = 0, false
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for _, def in pairs(Data.pokemon) do
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for _, evo in ipairs(def.evolutions or {}) do
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if evo.method == "ITEM" then
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stoneEvos = stoneEvos + 1
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if evo.item then itemMethod = true end
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end
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end
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end
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check(stoneEvos > 0, "the dex actually contains stone evolutions")
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check(itemMethod, "stone evolution records name the stone item")
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end
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S.finish()
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