Class: Doom::Game::Intermission

Inherits:
Object
  • Object
show all
Includes:
FramebufferBlitter
Defined in:
lib/doom/game/intermission.rb

Overview

Intermission screen shown between levels. Displays kill%, item%, secret%, time, and par time.

Constant Summary collapse

PAR_TIMES =

Episode 1 par times in seconds (from Chocolate Doom)

{
  'E1M1' => 30, 'E1M2' => 75, 'E1M3' => 120, 'E1M4' => 90,
  'E1M5' => 165, 'E1M6' => 180, 'E1M7' => 180, 'E1M8' => 30, 'E1M9' => 165
}.freeze
NEXT_MAP =

Next map progression

{
  'E1M1' => 'E1M2', 'E1M2' => 'E1M3', 'E1M3' => 'E1M4', 'E1M4' => 'E1M5',
  'E1M5' => 'E1M6', 'E1M6' => 'E1M7', 'E1M7' => 'E1M8', 'E1M8' => nil,
  'E1M9' => 'E1M4'
}.freeze
COUNT_SPEED =

Counter animation speed (percentage points per tic)

2
TICS_PER_COUNT = 
1

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from FramebufferBlitter

#blit_sprite

Constructor Details

#initialize(_wad, hud_graphics, stats) ⇒ Intermission

Returns a new instance of Intermission.



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# File 'lib/doom/game/intermission.rb', line 31

def initialize(_wad, hud_graphics, stats)
  @gfx = hud_graphics
  @stats = stats # { map:, kills:, total_kills:, items:, total_items:, secrets:, total_secrets:, time_tics: }
  @finished = false
  @next_map = NEXT_MAP[stats[:map]]
  @tic = 0

  # Animated counters (count up from 0 to actual value)
  @kill_count = 0
  @item_count = 0
  @secret_count = 0
  @time_count = 0
  @counting_done = false

  # Target percentages
  @kill_pct = @stats[:total_kills] > 0 ? (@stats[:kills] * 100 / @stats[:total_kills]) : 100
  @item_pct = @stats[:total_items] > 0 ? (@stats[:items] * 100 / @stats[:total_items]) : 100
  @secret_pct = @stats[:total_secrets] > 0 ? (@stats[:secrets] * 100 / @stats[:total_secrets]) : 100
  @time_secs = @stats[:time_tics] / 35

  @par_time = PAR_TIMES[stats[:map]] || 0

  load_graphics
end

Instance Attribute Details

#finished ⇒ Object (readonly)

Returns the value of attribute finished.



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# File 'lib/doom/game/intermission.rb', line 29

def finished
  @finished
end

#next_map ⇒ Object (readonly)

Returns the value of attribute next_map.



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# File 'lib/doom/game/intermission.rb', line 29

def next_map
  @next_map
end

Instance Method Details

#handle_key ⇒ Object 



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# File 'lib/doom/game/intermission.rb', line 123

def handle_key
  if @counting_done
    @finished = true
  else
    # Skip counting animation
    @kill_count = @kill_pct
    @item_count = @item_pct
    @secret_count = @secret_pct
    @time_count = @time_secs
    @counting_done = true
  end
end

#render(framebuffer) ⇒ Object 



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# File 'lib/doom/game/intermission.rb', line 74

def render(framebuffer)
  # Background
  draw_background(framebuffer)

  # "Finished" text + level name
  draw_sprite(framebuffer, @wifinish, 64, 4) if @wifinish
  level_idx = map_to_level_index(@stats[:map])
  lv = @level_names[level_idx]
  draw_sprite(framebuffer, lv, (320 - (lv&.width || 0)) / 2, 24) if lv

  # Kill, Item, Secret percentages
  y = 60
  draw_sprite(framebuffer, @wiostk, 50, y) if @wiostk
  draw_percent(framebuffer, 260, y, @kill_count)

  y += 24
  draw_sprite(framebuffer, @wiosti, 50, y) if @wiosti
  draw_percent(framebuffer, 260, y, @item_count)

  y += 24
  draw_sprite(framebuffer, @wiosts, 50, y) if @wiosts
  draw_percent(framebuffer, 260, y, @secret_count)

  # Time
  y += 30
  draw_sprite(framebuffer, @witime, 16, y) if @witime
  draw_time(framebuffer, 160, y, @time_count)

  # Par time
  draw_sprite(framebuffer, @wipar, 176, y) if @wipar
  draw_time(framebuffer, 292, y, @par_time)

  # "Entering" next level (after counting done)
  if @counting_done && @next_map
    y += 30
    draw_sprite(framebuffer, @wienter, 64, y) if @wienter
    next_idx = map_to_level_index(@next_map)
    nlv = @level_names[next_idx]
    draw_sprite(framebuffer, nlv, (320 - (nlv&.width || 0)) / 2, y + 18) if nlv
  end

  # "Press any key" hint after counting
  return unless @counting_done && (@tic / 17).even?

  # Blink hint via skull
  skull = @skulls[@tic / 8 % 2]
  draw_sprite(framebuffer, skull, 144, 210) if skull
end

#update ⇒ Object 



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# File 'lib/doom/game/intermission.rb', line 56

def update
  @tic += 1
  return if @counting_done

  # Animate counters
  if @kill_count < @kill_pct
    @kill_count = [@kill_count + COUNT_SPEED, @kill_pct].min
  elsif @item_count < @item_pct
    @item_count = [@item_count + COUNT_SPEED, @item_pct].min
  elsif @secret_count < @secret_pct
    @secret_count = [@secret_count + COUNT_SPEED, @secret_pct].min
  elsif @time_count < @time_secs
    @time_count = [@time_count + 3, @time_secs].min
  else
    @counting_done = true
  end
end