G2 support

src/ui/gen2/CopyrightSplash.lua

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+-- The boot copyright card (pokegold SplashScreen -> Copyright), ~100 frames
+-- then on to the GAME FREAK splash; A/B/START skip it.
+--
+-- The cart's card is the three Nintendo / Creatures / GAME FREAK lines from
+-- CopyrightGFX.  RomExtractorGen2 composes that into title/copyright_splash.png
+-- and this screen draws it.
+
+-- src/render/Assets.lua is the mod-override choke point: a raw
+-- love.graphics.newImage skips overrides/ and AssetTransform output.
+local Assets = require("src.render.Assets")
+local Chrome = require("src.ui.gen2.Chrome")
+local Font = require("src.render.Font")
+local Runtime = require("src.mods.Runtime")
+
+local CopyrightSplash = {}
+CopyrightSplash.__index = CopyrightSplash
+CopyrightSplash.isOpaque = true
+
+local SCREEN_W, SCREEN_H = 160, 144
+local HOLD_FRAMES = 100
+
+-- Rows are the Gen 1 card's, which sit where the cart's own three lines do.
+-- Only used when the extracted splash image is missing.
+local LINE_Y = { 48, 64, 80 }
+
+local function tryImage(path)
+  if not path then return nil end
+  local ok, image = pcall(Assets.image, path)
+  if ok then return image end
+  return nil
+end
+
+function CopyrightSplash:wantsFillScale() return true end
+function CopyrightSplash:drawsWidescreen() return true end
+
+function CopyrightSplash.new(game, opts)
+  opts = opts or {}
+  local self = setmetatable({}, CopyrightSplash)
+  self.game = game
+  self.onDone = opts.onDone
+  local title = opts.title or {}
+  -- Prefer an explicit override, then the extracted splash from title.lua.
+  self.image = tryImage(opts.image)
+    or tryImage(title.copyrightSplash)
+    or tryImage("assets/generated/title/copyright_splash.png")
+  -- Text fallback only when the ROM extract is missing (tests / bare boots).
+  self.lines = opts.lines
+  self.frames = 0
+  self.done = false
+  return self
+end
+
+-- intro.boot.copyright: the first card of the GS boot cinema is on screen.
+--
+-- The four intro.boot.* names are Gen 2 ONLY, and deliberately new rather than
+-- borrowed: Red boots straight into IntroMovie and has no copyright card, no
+-- GAME FREAK splash and no attract movie, so there is no Gen 1 moment for any
+-- of them to share a name with (see docs/mod-api-gen2-compat.md).  One name per
+-- card, emitted the frame the card comes up, because that is the moment a mod
+-- can act on -- swap the art, start its own jingle, or count the boot.  The
+-- card's END needs no name of its own: Game2:showCopyright chains straight into
+-- the next card, so intro.boot.gamefreak IS this card's end.
+function CopyrightSplash:enter()
+  if Runtime.wants("intro.boot.copyright") then
+    Runtime.emit("intro.boot.copyright", { screen = self, game = self.game })
+  end
+end
+
+function CopyrightSplash:update(_dt)
+  self.frames = self.frames + 1
+  local input = self.game.input
+  local skip = input and (input:wasPressed("a") or input:wasPressed("start")
+    or input:wasPressed("b") or input:wasPressed("select"))
+  if skip or self.frames >= HOLD_FRAMES then
+    if self.done then return end
+    self.done = true
+    if self.onDone then self.onDone() end
+  end
+end
+
+function CopyrightSplash:drawPanel()
+  local G = love.graphics
+  G.setColor(1, 1, 1, 1)
+  G.rectangle("fill", 0, 0, SCREEN_W, SCREEN_H)
+  if self.image then
+    G.draw(self.image, 0, 0)
+    return
+  end
+  if not self.lines then return end
+  -- The Gen 2 font is a fixed 8px cell, so centring is a character count.
+  G.setColor(0, 0, 0, 1)
+  for index, line in ipairs(self.lines) do
+    local y = LINE_Y[index]
+    if y then
+      Font.draw(line, math.floor((SCREEN_W - #line * 8) / 2), y)
+    end
+  end
+  G.setColor(1, 1, 1, 1)
+end
+
+function CopyrightSplash:draw()
+  self:drawPanel()
+end
+
+function CopyrightSplash:drawWidescreen(winW, winH)
+  local G = love.graphics
+  G.setColor(1, 1, 1, 1)
+  G.rectangle("fill", 0, 0, winW, winH)
+  local scale = Chrome.fitScale(winW, winH)
+  G.push()
+  G.translate(math.floor((winW - SCREEN_W * scale) / 2),
+    math.floor((winH - SCREEN_H * scale) / 2))
+  G.scale(scale, scale)
+  self:drawPanel()
+  G.pop()
+end
+
+return CopyrightSplash