Class: RubyArmor::DungeonView

Inherits:
Fidgit::Vertical
  • Object
show all
Defined in:
lib/ruby_armor/dungeon_view.rb

Constant Summary collapse

FACINGS =

Sprites to show based on player facing.

{
    :east => 0,
    :south => 1,
    :west => 2,
    :north => 3,
}
WARRIORS =

Rows in the warriors.png to use for each warrior type.

{
    :valkyrie => 0,
    :mercenary => 1,
    :monk => 2,
    :burglar => 3,
}
FLOOR_COLOR = 
Color.rgba 255, 255, 255, 125
SPRITE_SCALE = 
5
HEALTH_BAR_BORDER = 
0.25

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(packer, warrior_class) ⇒ DungeonView

Returns a new instance of DungeonView.



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# File 'lib/ruby_armor/dungeon_view.rb', line 27

def initialize(packer, warrior_class)
  @warrior_class = warrior_class

  super padding: 0, width: 670, height: 260, parent: packer

  @tiles = SpriteSheet.new "tiles.png", TILE_WIDTH, TILE_HEIGHT, 8
  @warrior_sprites = SpriteSheet.new "warriors.png", SPRITE_WIDTH, SPRITE_HEIGHT, 4
  @mob_sprites = SpriteSheet.new "mobs.png", SPRITE_WIDTH, SPRITE_HEIGHT, 4

  @units_record = Array.new
  @turn = @tile_set = 0
end

Instance Attribute Details

#floor ⇒ Object

Returns the value of attribute floor.



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# File 'lib/ruby_armor/dungeon_view.rb', line 25

def floor
  @floor
end

#tile_set ⇒ Object

Returns the value of attribute tile_set.



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# File 'lib/ruby_armor/dungeon_view.rb', line 25

def tile_set
  @tile_set
end

#turn ⇒ Object

Returns the value of attribute turn.



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# File 'lib/ruby_armor/dungeon_view.rb', line 25

def turn
  @turn
end

Instance Method Details

#draw ⇒ Object 



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# File 'lib/ruby_armor/dungeon_view.rb', line 74

def draw
  $window.translate @level_offset_x, @level_offset_y do
    $window.scale SPRITE_SCALE do
      draw_floor
      draw_walls
      draw_stairs
      draw_entrance
      draw_units
    end
  end
end

#draw_entrance ⇒ Object

Draw trapdoor (entrance)



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# File 'lib/ruby_armor/dungeon_view.rb', line 87

def draw_entrance
  @tiles[6, @tile_set].draw @entry_x * SPRITE_WIDTH, @entry_y * SPRITE_HEIGHT, 0
end

#draw_floor ⇒ Object 



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# File 'lib/ruby_armor/dungeon_view.rb', line 116

def draw_floor
  # Draw floor
  floor.width.times do |x|
    floor.height.times do |y|
      @tiles[(x + y + 1) % 2, @tile_set].draw x * SPRITE_WIDTH, y * SPRITE_HEIGHT, 0, 1, 1, FLOOR_COLOR
    end
  end
end

#draw_stairs ⇒ Object

Draw stairs (exit)



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# File 'lib/ruby_armor/dungeon_view.rb', line 92

def draw_stairs
  if floor.stairs_location[0] == 0
    # flip when on the left hand side.
    @tiles[2, @tile_set].draw (floor.stairs_location[0] + 1) * SPRITE_WIDTH, floor.stairs_location[1] * SPRITE_HEIGHT, 0, -1
  else
    @tiles[2, @tile_set].draw floor.stairs_location[0] * SPRITE_WIDTH, floor.stairs_location[1] * SPRITE_HEIGHT, 0
  end
end

#draw_units ⇒ Object 



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# File 'lib/ruby_armor/dungeon_view.rb', line 125

def draw_units
  @units_record[turn] ||= $window.record 1, 1 do
    floor.units.sort_by {|u| u.position.y }.each do |unit|
      sprite = case unit
                 when RubyWarrior::Units::Warrior
                   @warrior_sprites[FACINGS[unit.position.direction], WARRIORS[@warrior_class]]
                 when RubyWarrior::Units::Wizard
                   @mob_sprites[0, 1]
                 when RubyWarrior::Units::ThickSludge
                   @mob_sprites[2, 1]
                 when RubyWarrior::Units::Sludge
                   @mob_sprites[1, 1]
                 when RubyWarrior::Units::Archer
                   @mob_sprites[3, 1]
                 when RubyWarrior::Units::Captive
                   @mob_sprites[0, 2]
                 when RubyWarrior::Units::Golem
                   @mob_sprites[1, 2]
                 else
                   raise "unknown unit: #{unit.class}"
               end

      # Draw unit itself
      x, y, z_order = unit.position.x * SPRITE_WIDTH, unit.position.y * SPRITE_HEIGHT, unit.position.y
      sprite.draw x, y, z_order

      # Draw health number
      $window.scale 0.25 do
        Font[12].draw unit.health, x * 4, y * 4 - 20, z_order
      end

      # Draw health-bar (black border, with red bar).
      draw_rect x, y - 2, SPRITE_WIDTH, 1, z_order, Color::BLACK
      draw_rect x + HEALTH_BAR_BORDER, y + HEALTH_BAR_BORDER - 2,
                (SPRITE_WIDTH - 1) * unit.health / unit.max_health + HEALTH_BAR_BORDER * 2, 1 - HEALTH_BAR_BORDER * 2,
                z_order, Color::RED

      # Draw binding rope if if it tied up.
      if unit.bound?
        @mob_sprites[2, 2].draw x, y, z_order
      end
    end
  end

  @units_record[turn].draw 0, 0, 0
end

#draw_walls ⇒ Object 



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# File 'lib/ruby_armor/dungeon_view.rb', line 101

def draw_walls
  # Draw horizontal walls.
  floor.width.times do |x|
    light = x % 2
    light = 2 if light == 1 and (Gosu::milliseconds / 500) % 2 == 0
    @tiles[light + 3, @tile_set].draw x * SPRITE_WIDTH, -SPRITE_HEIGHT, 0
    @tiles[3, @tile_set].draw x * SPRITE_WIDTH, floor.height * SPRITE_HEIGHT, floor.height
  end
  # Draw vertical walls.
  (-1..floor.height).each do |y|
    @tiles[3, @tile_set].draw -SPRITE_WIDTH, y * SPRITE_HEIGHT, y
    @tiles[3, @tile_set].draw floor.width * SPRITE_WIDTH, y * SPRITE_HEIGHT, y
  end
end

#tip ⇒ Object

Tip is the unit/object under the cursor ON displayed turn.



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# File 'lib/ruby_armor/dungeon_view.rb', line 187

def tip
  # Find out the grid location of the cursor.
  cursor = $window.current_game_state.cursor
  x = (cursor.x - @level_offset_x) / (SPRITE_SCALE * SPRITE_WIDTH)
  y = (cursor.y - @level_offset_y) / (SPRITE_SCALE * SPRITE_HEIGHT)
  x, y = x.floor, y.floor

  if x == -1 or x == floor.width or y == -1 or y == floor.height
    "Wall"
  else
    @tips[@turn][[x, y]]
  end
end

#tip_for_tile(x, y) ⇒ Object

Tip for the tile at x, y.



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# File 'lib/ruby_armor/dungeon_view.rb', line 202

def tip_for_tile(x, y)
  # Check if the mouse is over a unit.
  unit = floor.units.find {|u| u.position.x == x and u.position.y == y }

  unit_str = if unit
               "#{unit.to_s} (#{unit.health} / #{unit.max_health} health)"
             else
               nil
             end

  unit_str += " (bound)" if unit and unit.bound?

  location_str = case [x, y]
                   when floor.stairs_location
                     "Stairs (level exit) "
                   when [@entry_x, @entry_y]
                     "Trapdoor (level entry) "
                   else
                     nil
                 end

  if unit_str and location_str
    "#{unit_str} on #{location_str}"
  elsif unit_str
    unit_str
  elsif location_str
    location_str
  else
    nil
  end
end

#unit_health_changed(unit, amount) ⇒ Object 



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# File 'lib/ruby_armor/dungeon_view.rb', line 175

def unit_health_changed(unit, amount)
  return unless @level_offset_x # Ignore changes out of order, such as between epic levels.

  color = (amount > 0) ? Color::GREEN : Color::RED
  y_offset = (amount > 0) ? -0.15 : +0.15
  FloatingText.create "#{amount > 0 ? "+" : ""}#{amount}",
                      :color => color,
                      :x => unit.position.x * SPRITE_SCALE * SPRITE_WIDTH  + (SPRITE_SCALE * SPRITE_WIDTH / 2) + @level_offset_x,
                      :y => (unit.position.y + y_offset) * SPRITE_SCALE * SPRITE_HEIGHT + @level_offset_y
end