84 lines
2.7 KiB
Lua
84 lines
2.7 KiB
Lua
local SAVE_GAME_BANK = 6
|
|
local SAVE_GAME_MAGIC_VALUE_ADDRESS = 0
|
|
local SAVE_GAME_MAGIC_VALUE = 0xCA
|
|
|
|
--- Global game context.
|
|
--- @section Context
|
|
Context = {}
|
|
|
|
--- Gets initial data for Context.
|
|
--- @within Context
|
|
--- @return result table Initial context data.
|
|
--- @return result.current_menu_item number Index of the currently selected menu item.
|
|
--- @return result.splash_timer number Remaining frames for the splash screen timer.
|
|
--- @return result.popup table Popup window state. Contains: `show` (boolean) whether popup is visible, `content` (table) array of strings to display.
|
|
--- @return result.game_in_progress boolean Whether a game is currently active.
|
|
--- @return result.minigame_ddr table DDR minigame state (see Minigame.get_default_ddr).
|
|
--- @return result.minigame_button_mash table Button mash minigame state (see Minigame.get_default_button_mash).
|
|
--- @return result.minigame_rhythm table Rhythm minigame state (see Minigame.get_default_rhythm).
|
|
--- @return result.meters table Meter values (see Meter.get_initial).
|
|
--- @return result.game table Current game progress state. Contains: `current_screen` (string) active screen ID, `current_situation` (string|nil) active situation ID.
|
|
function Context.initial_data()
|
|
return {
|
|
current_menu_item = 1,
|
|
splash_timer = Config.timing.splash_duration,
|
|
popup = {
|
|
show = false,
|
|
content = {}
|
|
},
|
|
game_in_progress = false,
|
|
minigame_ddr = Minigame.get_default_ddr(),
|
|
minigame_button_mash = Minigame.get_default_button_mash(),
|
|
minigame_rhythm = Minigame.get_default_rhythm(),
|
|
meters = Meter.get_initial(),
|
|
game = {
|
|
current_screen = "home",
|
|
current_situation = nil,
|
|
}
|
|
}
|
|
end
|
|
|
|
--- Resets game context to initial state.
|
|
--- @within Context
|
|
function Context.reset()
|
|
local initial_data = Context.initial_data()
|
|
for k in pairs(Context) do
|
|
if type(Context[k]) ~= "function" then
|
|
Context[k] = nil
|
|
end
|
|
end
|
|
|
|
for k, v in pairs(initial_data) do
|
|
Context[k] = v
|
|
end
|
|
end
|
|
|
|
--- Starts a new game.
|
|
--- @within Context
|
|
function Context.new_game()
|
|
Context.reset()
|
|
Context.game_in_progress = true
|
|
MenuWindow.refresh_menu_items()
|
|
Screen.get_by_id(Context.game.current_screen).init()
|
|
end
|
|
|
|
--- Saves the current game state.
|
|
--- @within Context
|
|
function Context.save_game()
|
|
if not Context.game_in_progress then return end
|
|
mset(SAVE_GAME_MAGIC_VALUE, SAVE_GAME_MAGIC_VALUE_ADDRESS, SAVE_GAME_BANK)
|
|
end
|
|
|
|
--- Loads a saved game state.
|
|
--- @within Context
|
|
function Context.load_game()
|
|
if mget(SAVE_GAME_MAGIC_VALUE_ADDRESS, SAVE_GAME_BANK) ~= SAVE_GAME_MAGIC_VALUE then
|
|
Context.new_game()
|
|
return
|
|
end
|
|
Context.reset()
|
|
Context.game_in_progress = true
|
|
MenuWindow.refresh_menu_items()
|
|
Screen.get_by_id(Context.game.current_screen).init()
|
|
end
|