113 lines
4.3 KiB
Lua
113 lines
4.3 KiB
Lua
-- SongSelectState constants (must match enums.h)
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local STATE_BROWSING = 0
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local STATE_SONG_SELECTED = 1
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local STATE_DIFF_SORTING = 2
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local STATE_SEARCHING = 3
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local STATE_DAN_SELECTED = 4
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SongSelect = {}
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SongSelect.__index = SongSelect
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-- The wheel box drawing (BaseBox/YellowBox/SongBox/FolderBox/BackBox) lives in
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-- file_navigator/, mirroring src/objects/song_select/file_navigator/. Each module adds
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-- its draw_* methods onto SongSelect as a side effect of being required.
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require("song_select/file_navigator/box_base")
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require("song_select/file_navigator/box_song")
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require("song_select/file_navigator/box_folder")
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require("song_select/file_navigator/box_back")
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require("song_select/file_navigator/genre_bg")
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local base = require("song_select/file_navigator/box_base")
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function SongSelect.new()
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local self = setmetatable({}, SongSelect)
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base.reset_yellow_box()
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tex.load_folder("song_select", "global")
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tex.load_folder("song_select", "box")
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tex.load_folder("song_select", "yellow_box")
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tex.load_folder("song_select", "diff_select")
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-- Animations (IDs from song_select/animation.json)
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self.text_fade_in = tex.get_animation(4) -- fade in/out the top-left label text
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self.blue_arrow_fade = tex.get_animation(29) -- blue arrow opacity pulse
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self.blue_arrow_move = tex.get_animation(30) -- blue arrow horizontal drift
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self.blue_arrow_fade:start()
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self.blue_arrow_move:start()
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self.text_fade_in:start()
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-- Cached texture IDs
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self._id_footer = tex.get_texture("song_select/global/footer") or 0
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self._id_arrow = tex.get_texture("song_select/global/arrow") or 0
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self._id_song_num_bg = tex.get_texture("song_select/global/song_num_bg") or 0
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self._id_song_select = tex.get_texture("song_select/global/song_select") or 0
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self._id_difficulty_select = tex.get_texture("song_select/global/difficulty_select") or 0
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return self
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end
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function SongSelect:update(current_ms)
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self.text_fade_in:update(current_ms)
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self.blue_arrow_fade:update(current_ms)
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self.blue_arrow_move:update(current_ms)
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base.update_yellow_box(current_ms)
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end
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-- Call whenever the screen state changes so the label cross-fades correctly.
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function SongSelect:restart_text_fade()
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self.text_fade_in:start()
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end
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function SongSelect:draw_footer()
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tex.draw_texture(self._id_footer)
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end
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-- Draw the navigation arrows and the top-left state label.
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-- state: one of the STATE_* constants above (passed from C++ as an int).
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function SongSelect:draw_overlays(state)
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-- Blue navigation arrows are only shown while browsing.
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if state == STATE_BROWSING then
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local drift = self.blue_arrow_move.attribute * 2
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local fade = self.blue_arrow_fade.attribute
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tex.draw_texture(self._id_arrow, { x = -drift, fade = fade, index = 0 })
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tex.draw_texture(self._id_arrow, { mirror = "horizontal",
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x = drift, fade = fade, index = 1 })
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end
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-- Top-left label: cross-fade between "SONG SELECT" and "DIFFICULTY SELECT".
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local label_fade = self.text_fade_in.attribute
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if state == STATE_SONG_SELECTED then
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tex.draw_texture(self._id_difficulty_select, { fade = label_fade })
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tex.draw_texture(self._id_song_select, { fade = 1 - label_fade })
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else
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tex.draw_texture(self._id_difficulty_select, { fade = 1 - label_fade })
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tex.draw_texture(self._id_song_select, { fade = label_fade })
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end
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end
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function SongSelect:draw_box(box)
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base.track_yellow_box(box)
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local kind = box:lua_kind()
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local state = box:draw_state()
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if kind == "song" then
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if state == "diff_select" then
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self:draw_song_diff_select(box)
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elseif state == "open" then
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self:draw_song_open(box)
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else
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self:draw_song_closed(box)
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end
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elseif kind == "folder" then
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if state == "open" then
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self:draw_folder_open(box)
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else
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self:draw_folder_closed(box)
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end
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elseif kind == "back" then
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if state == "open" then
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self:draw_back_open(box)
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else
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self:draw_back_closed(box)
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end
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end
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end
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