mirror of
https://github.com/bryanthaboi/gen1recomp.git
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bryanthaboi
90 lines
3.4 KiB
Lua
90 lines
3.4 KiB
Lua
-- YES/NO choice box (InitYesNoTextBoxParameters: above the text box, right).
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local Font = require("src.render.Font")
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local Theme = require("src.ui.Theme")
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local Strings = require("src.core.Strings")
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local Timing = require("src.core.Timing")
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local ChoiceBox = {}
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ChoiceBox.__index = ChoiceBox
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function ChoiceBox.new(game, onChoose, opts)
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local self = setmetatable({}, ChoiceBox)
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self.game = game
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self.onChoose = onChoose
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-- some of the original's prompts start on NO (e.g. release)
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self.index = (opts and opts.defaultNo) and 2 or 1
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-- BIT_NO_MENU_BUTTON_SOUND: PC-session prompts stay silent
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self.noSound = (opts and opts.noSound) or false
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-- Only a choice box sitting on top of an ANCHORED dialogue box rides the
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-- anchor with it (TextBox passes it). A bare one -- the battle's switch
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-- offer, a shop or PC confirm -- belongs over the screen that pushed it,
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-- and docking it to the window edge instead tears it off that screen by
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-- however far the letterbox sits from the edge.
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self.anchor = opts and opts.anchor or nil
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local box = Theme.choiceBox
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self.tx = (opts and opts.tx) or box.tx
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self.ty = (opts and opts.ty) or box.ty
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self.tw = (opts and opts.tw) or box.tw
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self.th = (opts and opts.th) or box.th
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return self
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end
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function ChoiceBox:update(dt)
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local input = self.game.input
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-- Both branches of DisplayTwoOptionMenu hold 15 frames with the menu still
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-- on screen before TwoOptionMenu_RestoreScreenTiles hands control back
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-- (engine/menus/text_box.asm:322-323, :333-334).
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if self.pending ~= nil then
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self.holdFrames = self.holdFrames - 1
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if self.holdFrames <= 0 then
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local yes = self.pending
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self.pending = nil
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self.game.stack:pop()
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self.onChoose(yes)
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end
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return
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end
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if input:wasPressed("up") or input:wasPressed("down") then
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self.index = self.index == 1 and 2 or 1
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elseif input:wasPressed("a") then
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-- HandleMenuInput_ (home/window.asm): SFX_PRESS_AB on A and B alike
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if not self.noSound then
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require("src.core.Sound").play(self.game.data, "Press_AB")
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end
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self.pending = (self.index == 1)
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self.holdFrames = Timing.YES_NO_ANSWER
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elseif input:wasPressed("b") then
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if not self.noSound then
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require("src.core.Sound").play(self.game.data, "Press_AB")
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end
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-- .choseSecondMenuItem writes wCurrentMenuItem = 1 before the hold, so
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-- the cursor visibly snaps to NO for those 15 frames
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self.index = 2
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self.pending = false
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self.holdFrames = Timing.YES_NO_ANSWER
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end
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end
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function ChoiceBox:draw()
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local tx, ty, tw, th = self.tx, self.ty, self.tw, self.th
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-- rides the same bottom anchor as the dialogue box it sits above, so the
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-- pair travels together (the anchor keeps each element's gap from the edge)
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local r = self.anchor and self.game and self.game.renderer
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if r and r.setUIAnchor then
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r:setUIAnchor(tx * 8, ty * 8, tw * 8, th * 8, self.anchor)
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end
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-- pokegold home/menu.asm YesNoBox: font-page tiles take the screen's own
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-- BG palette 0 colour 0, same as TextBox.lua's paper fold.
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local paper = self.game and self.game.textboxPaper and self.game:textboxPaper()
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Font.drawBox(tx, ty, tw, th, paper)
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love.graphics.setColor(0, 0, 0, 1)
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Font.draw(Strings("YES"), (tx + 2) * 8, (ty + 1) * 8)
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Font.draw(Strings("NO"), (tx + 2) * 8, (ty + 3) * 8)
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Font.drawCode(Theme.cursor, (tx + 1) * 8,
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(ty + (self.index == 1 and 1 or 3)) * 8)
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love.graphics.setColor(1, 1, 1, 1)
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end
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return ChoiceBox
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