Class: Doom::Render::RayTracing::MaterialState

Inherits:
Object
  • Object
show all
Defined in:
lib/doom/render/ray_tracing/material_state.rb

Overview

Resolves animated WAD materials and packs per-surface flags into the float shared with sector light level in the GPU triangle texture.

Constant Summary collapse

EMISSIVE_FLAG = 
1_024.0
MASKED_FLAG = 
2_048.0
REFLECTIVE_FLAG = 
4_096.0
REFRACTIVE_FLAG = 
8_192.0
EMISSIVE_PATTERN = 
/\A(?:NUKAGE|SLIME|LAVA)/
LIQUID_PATTERN = 
/\A(?:NUKAGE|SLIME|LAVA|FWATER|SWATER|BLOOD)/
REFLECTIVE_PATTERN = 
/#{LIQUID_PATTERN.source}|(?:METAL|SILVER|COMP|TEK|SUPPORT)/
REFRACTIVE_PATTERN = 
LIQUID_PATTERN

Instance Method Summary collapse

Constructor Details

#initialize(flats, animations) ⇒ MaterialState

Returns a new instance of MaterialState.



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# File 'lib/doom/render/ray_tracing/material_state.rb', line 18

def initialize(flats, animations)
  @flats = flats
  @animations = animations
end

Instance Method Details

#animation_names ⇒ Object 



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# File 'lib/doom/render/ray_tracing/material_state.rb', line 29

def animation_names
  return [] unless @animations
  return @animations.frame_names if @animations.respond_to?(:frame_names)

  [@animations.flat_translation, @animations.texture_translation]
    .flat_map { |translation| translation.keys + translation.values }
end

#animation_signature ⇒ Object 



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# File 'lib/doom/render/ray_tracing/material_state.rb', line 23

def animation_signature
  return nil unless @animations

  [@animations.flat_translation.values, @animations.texture_translation.values]
end

#emissive?(name) ⇒ Boolean

Returns:



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# File 'lib/doom/render/ray_tracing/material_state.rb', line 43

def emissive?(name)
  name&.match?(EMISSIVE_PATTERN) || false
end

#encoded_light(triangle) ⇒ Object 



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# File 'lib/doom/render/ray_tracing/material_state.rb', line 55

def encoded_light(triangle)
  value = triangle.light.to_f
  value += EMISSIVE_FLAG if emissive?(triangle.material)
  value += MASKED_FLAG if triangle.masked
  value += REFLECTIVE_FLAG if reflective?(triangle.material)
  value += REFRACTIVE_FLAG if refractive?(triangle.material)
  value
end

#reflective?(name) ⇒ Boolean

Returns:



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# File 'lib/doom/render/ray_tracing/material_state.rb', line 47

def reflective?(name)
  name&.match?(REFLECTIVE_PATTERN) || false
end

#refractive?(name) ⇒ Boolean

Returns:



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# File 'lib/doom/render/ray_tracing/material_state.rb', line 51

def refractive?(name)
  name&.match?(REFRACTIVE_PATTERN) || false
end

#resolve(name) ⇒ Object 



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# File 'lib/doom/render/ray_tracing/material_state.rb', line 37

def resolve(name)
  return name unless @animations

  @flats.key?(name) ? @animations.translate_flat(name) : @animations.translate_texture(name)
end