Module: Doom

Defined in:
lib/doom/benchmark.rb,
lib/doom.rb,
lib/doom/version.rb,
lib/doom/map/data.rb,
lib/doom/wad/flat.rb,
lib/doom/benchmark.rb,
lib/doom/game/menu.rb,
lib/doom/wad/patch.rb,
lib/doom/wad/sound.rb,
lib/doom/game/world.rb,
lib/doom/net/client.rb,
lib/doom/wad/reader.rb,
lib/doom/wad/sprite.rb,
lib/doom/game/combat.rb,
lib/doom/game/player.rb,
lib/doom/game/random.rb,
lib/doom/game/ticcmd.rb,
lib/doom/net/session.rb,
lib/doom/render/font.rb,
lib/doom/wad/palette.rb,
lib/doom/wad/texture.rb,
lib/doom/net/lockstep.rb,
lib/doom/net/protocol.rb,
lib/doom/platform/sdl.rb,
lib/doom/wad/colormap.rb,
lib/doom/game/geometry.rb,
lib/doom/game/snapshot.rb,
lib/doom/net/transport.rb,
lib/doom/wad_downloader.rb,
lib/doom/game/animations.rb,
lib/doom/game/monster_ai.rb,
lib/doom/game/state_hash.rb,
lib/doom/net/game_server.rb,
lib/doom/render/renderer.rb,
lib/doom/game/item_pickup.rb,
lib/doom/wad/hud_graphics.rb,
lib/doom/game/intermission.rb,
lib/doom/game/player_state.rb,
lib/doom/game/sound_engine.rb,
lib/doom/render/status_bar.rb,
lib/doom/render/world_mesh.rb,
lib/doom/net/desync_monitor.rb,
lib/doom/render/screen_melt.rb,
lib/doom/game/player_physics.rb,
lib/doom/game/sector_actions.rb,
lib/doom/game/sector_effects.rb,
lib/doom/platform/gosu_window.rb,
lib/doom/platform/window_logic.rb,
lib/doom/render/ray_tracing/bvh.rb,
lib/doom/render/weapon_renderer.rb,
lib/doom/render/renderer_factory.rb,
lib/doom/render/zbuffer_renderer.rb,
lib/doom/game/framebuffer_blitter.rb,
lib/doom/render/hardware_renderer.rb,
lib/doom/render/ray_tracing_renderer.rb,
lib/doom/render/spinel_native/kernel.rb,
lib/doom/render/spinel_native_renderer.rb,
lib/doom/render/ray_tracing/texture_atlas.rb,
lib/doom/render/ray_tracing/material_state.rb

Overview

Stub Gosu so the renderer's Platform module can load without the gem.

Defined Under Namespace

Modules: Benchmark, Game, Map, Net, Platform, Render, Wad Classes: Error, WadDownloader

Constant Summary collapse

VERSION = 
'0.11.0'

Class Method Summary collapse

Class Method Details

.run(wad_path, map_name: 'E1M1', rubykaigi: false, net: nil, frag_limit: nil, renderer: :classic) ⇒ Object 



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# File 'lib/doom.rb', line 59

def run(wad_path, map_name: 'E1M1', rubykaigi: false, net: nil, frag_limit: nil, renderer: :classic)
  return run_server(wad_path, map_name, net, frag_limit) if net && net[:role] == :serve
  return run_client(wad_path, map_name, net, renderer) if net && net[:role] == :join

  session = build_session(net, map_name)
  if session
    # The host decides the map, seed and mode; a client is told them. Wait
    # for that before loading anything, so both sides load the same level.
    map_name = wait_for_session(session) || map_name
  end

  puts "Loading WAD: #{wad_path}"
  wad = Wad::Reader.new(wad_path)
  puts "  #{wad.type}: #{wad.num_lumps} lumps"

  # If it's a PWAD, we need a base IWAD for resources (palette, textures, etc.)
  if wad.pwad?
    iwad_path = find_iwad
    unless iwad_path
      raise Error,
            'PWAD requires a base IWAD (doom1.wad). Place it in the current directory or ~/.doom/'
    end

    puts "  PWAD detected, loading base IWAD: #{iwad_path}"
    base_wad = Wad::Reader.new(iwad_path)
    base_wad.merge_pwad(wad)
    wad = base_wad

    # Auto-detect map name from PWAD lumps
    pwad_map = wad.directory.find { |e| e.name =~ /^(E\dM\d|MAP\d\d)$/ }
    map_name = pwad_map.name if pwad_map
    puts "  Using map: #{map_name}"
  end

  puts 'Loading palette...'
  palette = Wad::Palette.load(wad)

  puts 'Loading colormap...'
  colormap = Wad::Colormap.load(wad)

  puts 'Loading flats...'
  flats = Wad::Flat.load_all(wad)
  puts "  #{flats.size} flats"

  puts 'Loading textures...'
  textures = Wad::TextureManager.new(wad)
  puts "  #{textures.textures.size} textures, #{textures.pnames.size} patches"

  puts 'Loading sprites...'
  sprites = Wad::SpriteManager.new(wad)

  puts 'Loading HUD graphics...'
  hud_graphics = Wad::HudGraphics.new(wad)

  puts "Loading map #{map_name}..."
  map = Map::MapData.load(wad, map_name)
  puts "  #{map.vertices.size} vertices, #{map.linedefs.size} linedefs"
  puts "  #{map.segs.size} segs, #{map.subsectors.size} subsectors, #{map.nodes.size} nodes"

  # Find player start
  player_start = map.player_start
  if player_start
    puts "  Player start: (#{player_start.x}, #{player_start.y}) angle #{player_start.angle}"
  else
    puts '  Warning: No player start found!'
    Map::Thing.new(0, 0, 90, 1, 0)
  end

  puts 'Initializing animations...'
  flat_names = flats.map(&:name)
  animations = Game::Animations.new(textures.texture_names, flat_names)

  puts 'Creating renderer...'
  # No initial camera pose needed: the world owns the player, and draw aims
  # the camera at it every frame.
  renderer = Render::RendererFactory.build(renderer, wad, map, textures, palette, colormap,
                                           flats, sprites, animations)

  puts 'Building world...'
  sound_mgr = Wad::SoundManager.new(wad)
  sound_engine = Game::SoundEngine.new(sound_mgr)
  # One RNG shared by every subsystem that touches game state -- its index is
  # part of the simulation, so all peers must draw from the same sequence.
  # In a session the seed and mode come from the host, so every peer builds
  # the same world; solo play picks its own.
  random = Game::Random.new(session ? session.seed : 0)
  world = Game::World.new(map, sprites: sprites, sound: sound_engine, random: random,
                               mode: session ? session.mode : :coop,
                               frag_limit: frag_limit)
  ids = session ? session.player_ids : [0]
  ids.each { |id| world.add_player(id: id) }
  player = world.player(session ? session.local_id : 0)
  player_state = player.state

  puts 'Setting up HUD...'
  status_bar = Render::StatusBar.new(hud_graphics, player_state)
  weapon_renderer = Render::WeaponRenderer.new(hud_graphics, player_state)
  doom_font = Render::Font.new(wad, hud_graphics)
  menu = Game::Menu.new(wad, hud_graphics, doom_font)
  menu.instance_variable_set(:@state, Game::Menu::STATE_NONE) if ENV['DOOM_DEBUG_POSE']

  # RubyKaigi mode: god mode, no aggression, benchmark HUD
  if rubykaigi
    menu.options[:rubykaigi_mode] = true
    menu.options[:god_mode] = true
  end

  puts 'Starting game window...'
  window = Platform::GosuWindow.new(renderer, palette, world, status_bar, weapon_renderer,
                                    animations, menu, sound_engine, session: session)
  # A networked game skips the title screen: the other players are already
  # waiting, and there is nothing to configure that the host has not set.
  menu.instance_variable_set(:@state, Game::Menu::STATE_NONE) if session
  window.show
ensure
  session&.quit
end