PyTaikoGreen/Scripts/background/bg_collabs/kobayashi.lua

local DonBG4          = require("background/bg_objects/donbg/4")
local Fever           = require("background/bg_objects/fever")
local Footer          = require("background/bg_objects/footer")
local Dancer          = require("background/bg_objects/dancer")
local RendaController = require("background/bg_objects/renda")
local ChibiController = require("background/bg_objects/chibi")

local COLLAB_PATH     = "background/collab/kobayashi"
local MAX_DANCERS     = 5
local SCREEN_WIDTH    = 1280

local KobayashiBGNormal   = {}
KobayashiBGNormal.__index = KobayashiBGNormal

function KobayashiBGNormal.new()
    local self = setmetatable({}, KobayashiBGNormal)
    self.name = "bg_0"
    tex.load_folder(COLLAB_PATH, "bg_normal/" .. self.name)

    local trim_info = tex.get_texture_info(self.name, "trim")
    local trim_frames = (trim_info and trim_info.frame_count) or 1
    local trim_textures = {}
    for i = 0, trim_frames - 1 do
        table.insert(trim_textures, { i * 300, (i + 1) * 300, i })
    end
    self.trim_blink = anim.texture_change(trim_frames * 300, trim_textures, { loop = true })
    self.trim_blink:start()

    self.bg_texture   = tex.get_texture_info(self.name, "background")
    self.trim_texture = tex.get_texture_info(self.name, "trim")
    self._id_bg   = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "background") or 0
    self._id_trim = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "trim") or 0

    self._id_platform_black = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "platform_black") or 0
    self._id_prop1          = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "prop1") or 0
    self._id_mascot_yellow  = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "mascot_yellow") or 0
    self._id_prop2          = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "prop2") or 0
    self._id_platform_blue  = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "platform_blue") or 0
    self._id_shadow         = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "shadow") or 0
    self._id_sparkle        = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "sparkle") or 0
    self._id_singer         = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "singer") or 0
    return self
end

function KobayashiBGNormal:update(current_time_ms) self.trim_blink:update(current_time_ms) end

function KobayashiBGNormal:draw()
    tex.draw_texture(self._id_bg)
    tex.draw_texture(self._id_bg, { mirror = "horizontal", x = self.bg_texture.width })
    tex.draw_texture(self._id_trim, { frame = self.trim_blink.attribute })
    tex.draw_texture(self._id_trim, {
        frame = self.trim_blink.attribute,
        mirror = "horizontal",
        x = SCREEN_WIDTH - self.trim_texture.width
    })
    tex.draw_texture(self._id_platform_black)
    tex.draw_texture(self._id_shadow)
    tex.draw_texture(self._id_platform_blue)
    tex.draw_texture(self._id_prop1)
    tex.draw_texture(self._id_prop2)
    tex.draw_texture(self._id_mascot_yellow)
    tex.draw_texture(self._id_singer)
    tex.draw_texture(self._id_sparkle)
end

function KobayashiBGNormal:destroy() tex.unload_folder(COLLAB_PATH, "bg_normal/" .. self.name) end

local KobayashiBGFever   = {}
KobayashiBGFever.__index = KobayashiBGFever

function KobayashiBGFever.new()
    local self = setmetatable({}, KobayashiBGFever)
    self.name = "bg_fever_0"
    tex.load_folder(COLLAB_PATH, "bg_fever/" .. self.name)
    self._id_prop1         = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "prop1") or 0
    self._id_platform_blue = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "platform_blue") or 0
    self._id_queen         = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "queen") or 0
    self._id_crane_body    = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "crane_body") or 0
    self._id_crane_wing    = tex.get_texture(COLLAB_PATH .. "/" .. self.name .. "/" .. "crane_wing") or 0
    return self
end

function KobayashiBGFever:start() end
function KobayashiBGFever:update(current_time_ms) end

function KobayashiBGFever:draw()
    tex.draw_texture(self._id_platform_blue)
    tex.draw_texture(self._id_prop1)
    tex.draw_texture(self._id_crane_wing)
    tex.draw_texture(self._id_crane_body)
    tex.draw_texture(self._id_queen)
end

function KobayashiBGFever:destroy() tex.unload_folder(COLLAB_PATH, "bg_fever/" .. self.name) end

-- Background

local KobayashiBackground = {}
KobayashiBackground.__index = KobayashiBackground

function KobayashiBackground.new(player_num, bpm)
    local self          = setmetatable({}, KobayashiBackground)
    self.donbg          = DonBG4.new(1, player_num, COLLAB_PATH)
    self.bg_normal      = KobayashiBGNormal.new()
    self.bg_fever       = KobayashiBGFever.new()
    self.footer         = Footer.new(COLLAB_PATH, -1)
    self.fever          = Fever.create(0, bpm, COLLAB_PATH)
    self.dancer         = Dancer.BaseDancerGroup.new(0, bpm, MAX_DANCERS, COLLAB_PATH)
    for i, d in ipairs(self.dancer.dancers) do
        if d.index == 4 then
            self.dancer.dancers[i], self.dancer.dancers[1] = self.dancer.dancers[1], self.dancer.dancers[i]
            break
        end
    end
    self.renda          = RendaController.new(COLLAB_PATH, 0)
    self.chibi          = ChibiController.new(bpm, COLLAB_PATH, 1)
    self.is_clear       = false
    self.is_rainbow     = false
    self.last_milestone = 1
    return self
end

function KobayashiBackground:update(current_ms, bpm)
    self.donbg:update(current_ms, bpm)
    self.bg_normal:update(current_ms)
    self.fever:update(current_ms, bpm)
    self.dancer:update(current_ms, bpm)
    self.renda:update(current_ms)
    self.chibi:update(current_ms, bpm)
end

function KobayashiBackground:handle_good(player_num) self.chibi:add_chibi(player_num, false) end

function KobayashiBackground:handle_ok(player_num) self.chibi:add_chibi(player_num, false) end

function KobayashiBackground:handle_bad(player_num) self.chibi:add_chibi(player_num, true) end

function KobayashiBackground:handle_drumroll(player_num) self.renda:add_renda() end

function KobayashiBackground:handle_balloon(player_num) self.renda:add_renda() end

function KobayashiBackground:handle_gauge(player_num, progress, is_clear, is_rainbow)
    self.donbg:set_clear(is_clear)
    if is_rainbow and not self.is_rainbow then self.fever:start() end
    if not is_rainbow and self.is_rainbow then self.fever:stop() end
    self.is_clear   = is_clear
    self.is_rainbow = is_rainbow

    local current_milestone
    if is_clear then
        current_milestone = MAX_DANCERS
    else
        current_milestone = math.min(MAX_DANCERS - 1, math.floor(progress * MAX_DANCERS))
    end
    if current_milestone > self.last_milestone then
        for _ = 1, current_milestone - self.last_milestone do self.dancer:add_dancer() end
        self.last_milestone = current_milestone
    elseif current_milestone < self.last_milestone then
        for _ = 1, self.last_milestone - current_milestone do self.dancer:remove_dancer() end
        self.last_milestone = current_milestone
    end
end

function KobayashiBackground:draw_back()
    self.bg_normal:draw()
    if self.is_clear then self.bg_fever:draw() end
    self.donbg:draw()
    self.renda:draw()
    self.dancer:draw()
    self.footer:draw()
    self.fever:draw()
    self.chibi:draw()
end

function KobayashiBackground:draw_fore() end

function KobayashiBackground:destroy()
    self.donbg:destroy()
    self.bg_normal:destroy()
    self.bg_fever:destroy()
    self.fever:destroy()
    self.dancer:destroy()
    self.footer:destroy()
    self.renda:destroy()
    self.chibi:destroy()
end

return KobayashiBackground