Zsolt Tasnadi
0e0815d761
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365 lines
10 KiB
Lua
365 lines
10 KiB
Lua
-- title: Mr Anderson's Adventure
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-- author: Zsolt Tasnadi
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-- desc: Life of a programmer in the Matrix
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-- site: http://teletype.hu
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-- license: MIT License
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-- version: 0.3
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-- script: lua
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--------------------------------------------------------------------------------
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-- Game Configuration
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--------------------------------------------------------------------------------
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local Config = {
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screen = {
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width = 240,
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height = 136
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},
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colors = {
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black = 0,
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light_grey = 13,
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dark_grey = 14,
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green = 6,
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npc = 8
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},
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player = {
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w = 8,
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h = 8,
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start_x = 120,
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start_y = 128,
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},
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physics = {
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gravity = 0.5,
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jump_power = -5,
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move_speed = 1.5,
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max_jumps = 2,
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},
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timing = {
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splash_duration = 120 -- 2 seconds at 60fps
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}
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}
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--------------------------------------------------------------------------------
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-- Game States
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--------------------------------------------------------------------------------
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local GAME_STATE_SPLASH = 0
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local GAME_STATE_MENU = 1
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local GAME_STATE_GAME = 2
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local GAME_STATE_DIALOG = 3
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--------------------------------------------------------------------------------
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-- Modules
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--------------------------------------------------------------------------------
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local Splash = {}
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local Menu = {}
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local Game = {}
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local UI = {}
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local Input = {}
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--------------------------------------------------------------------------------
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-- Game State
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--------------------------------------------------------------------------------
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local State = {
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game_state = GAME_STATE_SPLASH,
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current_screen = 1,
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dialog_text = "",
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splash_timer = Config.timing.splash_duration,
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player = {
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x = Config.player.start_x,
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y = Config.player.start_y,
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w = Config.player.w,
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h = Config.player.h,
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vx = 0,
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vy = 0,
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jumps = 0
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},
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ground = {
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x = 0,
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y = Config.screen.height,
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w = Config.screen.width,
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h = 8
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},
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menu_items = {"Play", "Exit"},
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selected_menu_item = 1,
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-- Screen data
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screens = {
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{ -- Screen 1
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name = "Screen 1",
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platforms = {
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{x = 80, y = 110, w = 40, h = 8},
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{x = 160, y = 90, w = 40, h = 8}
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},
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npcs = {
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{x = 180, y = 82, name = "Trinity"},
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{x = 90, y = 102, name = "Oracle"}
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}
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},
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{ -- Screen 2
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name = "Screen 2",
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platforms = {
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{x = 30, y = 100, w = 50, h = 8},
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{x = 100, y = 80, w = 50, h = 8},
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{x = 170, y = 60, w = 50, h = 8}
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},
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npcs = {
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{x = 120, y = 72, name = "Morpheus"},
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{x = 40, y = 92, name = "Tank"}
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}
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},
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{ -- Screen 3
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name = "Screen 3",
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platforms = {
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{x = 50, y = 110, w = 30, h = 8},
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{x = 100, y = 90, w = 30, h = 8},
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{x = 150, y = 70, w = 30, h = 8},
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{x = 200, y = 50, w = 30, h = 8}
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},
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npcs = {
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{x = 210, y = 42, name = "Agent Smith"},
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{x = 160, y = 62, name = "Cypher"}
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}
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}
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}
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}
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--------------------------------------------------------------------------------
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-- Input Module
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--------------------------------------------------------------------------------
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function Input.up() return btnp(0) end
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function Input.down() return btnp(1) end
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function Input.left() return btn(2) end
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function Input.right() return btn(3) end
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function Input.action() return btnp(4) end
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function Input.back() return btnp(5) end
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--------------------------------------------------------------------------------
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-- UI Module
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--------------------------------------------------------------------------------
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function UI.draw_top_bar(title)
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rect(0, 0, Config.screen.width, 10, Config.colors.black)
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print(title, 3, 2, Config.colors.light_grey)
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end
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function UI.draw_dialog()
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rect(40, 50, 160, 40, Config.colors.black)
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rectb(40, 50, 160, 40, Config.colors.dark_grey)
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print(State.dialog_text, 120 - #State.dialog_text * 2, 68, Config.colors.light_grey)
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end
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--------------------------------------------------------------------------------
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-- Splash Module
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--------------------------------------------------------------------------------
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function Splash.draw()
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cls(Config.colors.black)
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print("Mr. Anderson's", 78, 60, Config.colors.light_grey)
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print("Addventure", 90, 70, Config.colors.light_grey)
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end
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function Splash.update()
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State.splash_timer = State.splash_timer - 1
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if State.splash_timer <= 0 then
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State.game_state = GAME_STATE_MENU
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end
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end
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--------------------------------------------------------------------------------
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-- Menu Module
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--------------------------------------------------------------------------------
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function Menu.draw()
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cls(Config.colors.light_grey)
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UI.draw_top_bar("Main Menu")
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for i, item in ipairs(State.menu_items) do
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local color = Config.colors.dark_grey
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if i == State.selected_menu_item then
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color = Config.colors.green
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end
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print(item, 108, 70 + (i-1)*10, color)
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end
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end
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function Menu.update()
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if Input.up() then
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State.selected_menu_item = State.selected_menu_item - 1
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if State.selected_menu_item < 1 then
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State.selected_menu_item = #State.menu_items
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end
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elseif Input.down() then
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State.selected_menu_item = State.selected_menu_item + 1
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if State.selected_menu_item > #State.menu_items then
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State.selected_menu_item = 1
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end
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end
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if Input.action() or Input.back() then
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if State.selected_menu_item == 1 then -- Play
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-- Reset player state and screen for a new game
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State.player.x = Config.player.start_x
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State.player.y = Config.player.start_y
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State.player.vx = 0
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State.player.vy = 0
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State.player.jumps = 0
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State.current_screen = 1
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State.game_state = GAME_STATE_GAME
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elseif State.selected_menu_item == 2 then -- Exit
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exit()
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end
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end
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end
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--------------------------------------------------------------------------------
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-- Game Module
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--------------------------------------------------------------------------------
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function Game.draw()
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local currentScreenData = State.screens[State.current_screen]
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cls(Config.colors.light_grey)
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UI.draw_top_bar(currentScreenData.name)
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-- Draw platforms
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for _, p in ipairs(currentScreenData.platforms) do
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rect(p.x, p.y, p.w, p.h, Config.colors.dark_grey)
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end
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-- Draw NPCs
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for _, npc in ipairs(currentScreenData.npcs) do
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rect(npc.x, npc.y, Config.player.w, Config.player.h, Config.colors.npc)
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end
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-- Draw ground
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rect(State.ground.x, State.ground.y, State.ground.w, State.ground.h, Config.colors.dark_grey)
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-- Draw player
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rect(State.player.x, State.player.y, State.player.w, State.player.h, Config.colors.green)
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end
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function Game.update()
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-- Handle input
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if Input.left() then
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State.player.vx = -Config.physics.move_speed
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elseif Input.right() then
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State.player.vx = Config.physics.move_speed
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else
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State.player.vx = 0
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end
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if Input.action() and State.player.jumps < Config.physics.max_jumps then
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State.player.vy = Config.physics.jump_power
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State.player.jumps = State.player.jumps + 1
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end
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-- Update player position
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State.player.x = State.player.x + State.player.vx
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State.player.y = State.player.y + State.player.vy
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-- Screen transition
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if State.player.x > Config.screen.width - State.player.w then
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if State.current_screen < #State.screens then
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State.current_screen = State.current_screen + 1
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State.player.x = 0
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else
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State.player.x = Config.screen.width - State.player.w
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end
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elseif State.player.x < 0 then
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if State.current_screen > 1 then
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State.current_screen = State.current_screen - 1
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State.player.x = Config.screen.width - State.player.w
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else
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State.player.x = 0
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end
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end
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-- Apply gravity
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State.player.vy = State.player.vy + Config.physics.gravity
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local currentScreenData = State.screens[State.current_screen]
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-- Collision detection with platforms
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for _, p in ipairs(currentScreenData.platforms) do
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if State.player.vy > 0 and State.player.y + State.player.h >= p.y and State.player.y + State.player.h <= p.y + p.h and State.player.x + State.player.w > p.x and State.player.x < p.x + p.w then
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State.player.y = p.y - State.player.h
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State.player.vy = 0
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State.player.jumps = 0
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end
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end
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-- Collision detection with ground
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if State.player.y + State.player.h > State.ground.y then
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State.player.y = State.ground.y - State.player.h
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State.player.vy = 0
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State.player.jumps = 0
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end
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-- NPC interaction
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if Input.action() then
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for _, npc in ipairs(currentScreenData.npcs) do
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if math.abs(State.player.x - npc.x) < 12 and math.abs(State.player.y - npc.y) < 12 then
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State.dialog_text = npc.name
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State.game_state = GAME_STATE_DIALOG
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end
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end
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end
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end
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function Game.update_dialog()
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if Input.action() or Input.back() then
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State.game_state = GAME_STATE_GAME
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end
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end
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--------------------------------------------------------------------------------
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-- Main Game Loop
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--------------------------------------------------------------------------------
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local STATE_HANDLERS = {
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[GAME_STATE_SPLASH] = function()
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Splash.update()
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Splash.draw()
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end,
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[GAME_STATE_MENU] = function()
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Menu.update()
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Menu.draw()
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end,
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[GAME_STATE_GAME] = function()
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Game.update()
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Game.draw()
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end,
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[GAME_STATE_DIALOG] = function()
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Game.draw() -- Draw game behind dialog
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UI.draw_dialog()
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Game.update_dialog()
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end,
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}
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function TIC()
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local handler = STATE_HANDLERS[State.game_state]
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if handler then
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handler()
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end
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end
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-- <TILES>
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-- 001:eccccccccc888888caaaaaaaca888888cacccccccacc0ccccacc0ccccacc0ccc
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-- 002:ccccceee8888cceeaaaa0cee888a0ceeccca0ccc0cca0c0c0cca0c0c0cca0c0c
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-- 003:eccccccccc888888caaaaaaaca888888cacccccccacccccccacc0ccccacc0ccc
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-- 004:ccccceee8888cceeaaaa0cee888a0ceeccca0cccccca0c0c0cca0c0c0cca0c0c
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-- 017:cacccccccaaaaaaacaaacaaacaaaaccccaaaaaaac8888888cc000cccecccccec
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-- 018:ccca00ccaaaa0ccecaaa0ceeaaaa0ceeaaaa0cee8888ccee000cceeecccceeee
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-- 019:cacccccccaaaaaaacaaacaaacaaaaccccaaaaaaac8888888cc000cccecccccec
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-- 020:ccca00ccaaaa0ccecaaa0ceeaaaa0ceeaaaa0cee8888ccee000cceeecccceeee
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-- </TILES>
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-- <WAVES>
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-- 000:00000000ffffffff00000000ffffffff
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-- 001:0123456789abcdeffedcba9876543210
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-- 002:0123456789abcdef0123456789abcdef
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-- </WAVES>
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-- <SFX>
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-- 000:000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000304000000000
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-- </SFX>
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-- <TRACKS>
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-- 000:100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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-- </TRACKS>
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-- <PALETTE>
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-- 000:1a1c2c5d275db13e53ef7d57ffcd75a7f07038b76425717929366f3b5dc941a6f673eff7f4f4f494b0c2566c86333c57
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-- </PALETTE> |