mirror of
https://github.com/cyberarm/i-mic-fps.git
synced 2025-12-15 15:42:35 +00:00
Restructured Model loading to enable easier implementation of other parsers
This commit is contained in:
@@ -84,9 +84,11 @@ require_relative "lib/game_objects/entities/skydome"
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require_relative "lib/game_objects/entities/terrain"
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require_relative "lib/model"
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require_relative "lib/wavefront/parser"
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require_relative "lib/wavefront/object"
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require_relative "lib/wavefront/material"
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require_relative "lib/model/parser"
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require_relative "lib/model/model_object"
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require_relative "lib/model/material"
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require_relative "lib/model/parsers/wavefront_parser"
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require_relative "lib/map_parser"
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require_relative "lib/manifest"
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@@ -21,7 +21,7 @@ class IMICFPS
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unless load_model_from_cache
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case @type
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when :obj
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@model = IMICFPS::Model.new(file_path: @model_file, parser: Wavefront::Parser)
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@model = IMICFPS::Model.new(file_path: @model_file)
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else
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raise "Unsupported model type, supported models are: #{@supported_models.join(', ')}"
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end
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@@ -10,14 +10,16 @@ class IMICFPS
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attr_reader :vertex_array_id
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attr_reader :aabb_tree
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def initialize(file_path:, entity: nil, parser:)
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def initialize(file_path:, entity: nil)
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@file_path = file_path
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@entity = entity
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update if @entity
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@file_path = file_path
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@material_file = nil
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@current_object = nil
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@current_material=nil
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@vertex_count = 0
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@objects = []
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@materials= {}
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@vertices = []
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@@ -31,7 +33,7 @@ class IMICFPS
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@bounding_box = BoundingBox.new
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start_time = Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_millisecond)
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parse(parser)
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parse( Model::Parser.find(File.basename(file_path).split(".").last.to_sym) )
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puts "#{@file_path.split('/').last} took #{((Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_millisecond)-start_time)/1000.0).round(2)} seconds to parse" if window.config.get(:debug_options, :stats)
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@@ -1,5 +1,5 @@
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class IMICFPS
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class Wavefront
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class Model
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class Material
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attr_accessor :name, :ambient, :diffuse, :specular
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attr_reader :texture_id
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@@ -1,6 +1,6 @@
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class IMICFPS
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class Wavefront
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class Object
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class Model
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class ModelObject
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attr_reader :name, :vertices, :textures, :normals, :bounding_box, :debug_color
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attr_accessor :faces, :scale
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30
lib/model/parser.rb
Normal file
30
lib/model/parser.rb
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@@ -0,0 +1,30 @@
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class IMICFPS
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class Model
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class Parser
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@@parsers = []
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def self.handles
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raise NotImplementedError, "Model::Parser#handles must return an array of file extensions that this parser supports"
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end
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def self.inherited(parser)
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@@parsers << parser
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end
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def self.find(file_type)
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found_parser = @@parsers.find do |parser|
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parser.handles.include?(file_type)
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end
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return found_parser
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end
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def initialize(model)
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@model = model
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end
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def parse
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end
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end
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end
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end
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180
lib/model/parsers/wavefront_parser.rb
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180
lib/model/parsers/wavefront_parser.rb
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@@ -0,0 +1,180 @@
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class IMICFPS
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class WavefrontParser < Model::Parser
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def self.handles
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[:obj]
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end
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def initialize(model)
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@model = model
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end
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def parse
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lines = 0
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list = File.read(@model.file_path).split("\n")
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list.each do |line|
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lines+=1
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line = line.strip
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array = line.split(' ')
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case array[0]
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when 'mtllib'
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@model.material_file = array[1]
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parse_mtllib
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when 'usemtl'
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set_material(array[1])
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when 'o'
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change_object(array[1])
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when 's'
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set_smoothing(array[1])
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when 'v'
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add_vertex(array)
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when 'vt'
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add_texture_coordinate(array)
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when 'vn'
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add_normal(array)
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when 'f'
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verts = []
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uvs = []
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norms = []
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array[1..3].each do |f|
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verts << f.split("/")[0]
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uvs << f.split("/")[1]
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norms << f.split("/")[2]
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end
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face = Face.new
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face.vertices = []
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face.uvs = []
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face.normals = []
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face.colors = []
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face.material = material
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face.smoothing= @model.smoothing
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mat = face.material.diffuse
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color = Vector.new(mat.red, mat.green, mat.blue)
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verts.each_with_index do |v, index|
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if uvs.first != ""
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face.vertices << @model.vertices[Integer(v)-1]
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face.uvs << @model.uvs[Integer(uvs[index])-1]
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face.normals << @model.normals[Integer(norms[index])-1]
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face.colors << color
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else
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face.vertices << @model.vertices[Integer(v)-1]
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face.uvs << nil
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face.normals << @model.normals[Integer(norms[index])-1]
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face.colors << color
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end
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end
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@model.current_object.faces << face
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@model.faces << face
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end
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end
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puts "Total Lines: #{lines}" if $window.config.get(:debug_options, :stats)
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@model.calculate_bounding_box(@model.vertices, @model.bounding_box)
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@model.objects.each do |o|
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@model.calculate_bounding_box(o.vertices, o.bounding_box)
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end
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end
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def parse_mtllib
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file = File.open(@model.file_path.sub(File.basename(@model.file_path), '')+@model.material_file, 'r')
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file.readlines.each do |line|
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array = line.strip.split(' ')
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case array.first
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when 'newmtl'
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material = Model::Material.new(array.last)
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@model.current_material = array.last
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@model.materials[array.last] = material
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when 'Ns' # Specular Exponent
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when 'Ka' # Ambient color
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@model.materials[@model.current_material].ambient = Color.new(Float(array[1]), Float(array[2]), Float(array[3]))
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when 'Kd' # Diffuse color
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@model.materials[@model.current_material].diffuse = Color.new(Float(array[1]), Float(array[2]), Float(array[3]))
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when 'Ks' # Specular color
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@model.materials[@model.current_material].specular = Color.new(Float(array[1]), Float(array[2]), Float(array[3]))
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when 'Ke' # Emissive
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when 'Ni' # Unknown (Blender Specific?)
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when 'd' # Dissolved (Transparency)
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when 'illum' # Illumination model
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when 'map_Kd' # Diffuse texture
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texture = File.basename(array[1])
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texture_path = "#{File.expand_path("../../", @model.file_path)}/textures/#{texture}"
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@model.materials[@model.current_material].set_texture(texture_path)
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end
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end
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end
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def change_object(name)
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@model.objects << Model::ModelObject.new(name)
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@model.current_object = @model.objects.last
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end
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def set_smoothing(value)
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if value == "1"
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@model.smoothing = true
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else
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@model.smoothing = false
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end
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end
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def set_material(name)
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@model.current_material = name
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end
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def material
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@model.materials[@model.current_material]
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end
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def faces_count
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count = 0
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@model.objects.each {|o| count+=o.faces.count}
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return count
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end
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def add_vertex(array)
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@model.vertex_count+=1
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vert = nil
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if array.size == 5
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vert = Vector.new(Float(array[1]), Float(array[2]), Float(array[3]), Float(array[4]))
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elsif array.size == 4
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vert = Vector.new(Float(array[1]), Float(array[2]), Float(array[3]), 1.0)
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else
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raise
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end
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@model.current_object.vertices << vert
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@model.vertices << vert
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end
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def add_normal(array)
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vert = nil
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if array.size == 5
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vert = Vector.new(Float(array[1]), Float(array[2]), Float(array[3]), Float(array[4]))
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elsif array.size == 4
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vert = Vector.new(Float(array[1]), Float(array[2]), Float(array[3]), 1.0)
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else
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raise
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end
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@model.current_object.normals << vert
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@model.normals << vert
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end
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def add_texture_coordinate(array)
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texture = nil
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if array.size == 4
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texture = Vector.new(Float(array[1]), 1-Float(array[2]), Float(array[3]))
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elsif array.size == 3
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texture = Vector.new(Float(array[1]), 1-Float(array[2]), 1.0)
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else
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raise
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end
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@model.current_object.textures << texture
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@model.uvs << texture
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end
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end
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end
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@@ -1,178 +0,0 @@
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class IMICFPS
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class Wavefront
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class Parser
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def initialize(model)
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@model = model
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end
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def parse
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lines = 0
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list = File.read(@model.file_path).split("\n")
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list.each do |line|
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lines+=1
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line = line.strip
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array = line.split(' ')
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case array[0]
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when 'mtllib'
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@model.material_file = array[1]
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parse_mtllib
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when 'usemtl'
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set_material(array[1])
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when 'o'
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change_object(array[1])
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when 's'
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set_smoothing(array[1])
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when 'v'
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add_vertex(array)
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when 'vt'
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add_texture_coordinate(array)
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when 'vn'
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add_normal(array)
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when 'f'
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verts = []
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uvs = []
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norms = []
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array[1..3].each do |f|
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verts << f.split("/")[0]
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uvs << f.split("/")[1]
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norms << f.split("/")[2]
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end
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face = Face.new
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face.vertices = []
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face.uvs = []
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face.normals = []
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face.colors = []
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face.material = material
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face.smoothing= @model.smoothing
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mat = face.material.diffuse
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color = Vector.new(mat.red, mat.green, mat.blue)
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verts.each_with_index do |v, index|
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if uvs.first != ""
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face.vertices << @model.vertices[Integer(v)-1]
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face.uvs << @model.uvs[Integer(uvs[index])-1]
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face.normals << @model.normals[Integer(norms[index])-1]
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face.colors << color
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else
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face.vertices << @model.vertices[Integer(v)-1]
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face.uvs << nil
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face.normals << @model.normals[Integer(norms[index])-1]
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face.colors << color
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end
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end
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@model.current_object.faces << face
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@model.faces << face
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end
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end
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puts "Total Lines: #{lines}" if $window.config.get(:debug_options, :stats)
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@model.calculate_bounding_box(@model.vertices, @model.bounding_box)
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@model.objects.each do |o|
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@model.calculate_bounding_box(o.vertices, o.bounding_box)
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end
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end
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def parse_mtllib
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file = File.open(@model.file_path.sub(File.basename(@model.file_path), '')+@model.material_file, 'r')
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file.readlines.each do |line|
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array = line.strip.split(' ')
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case array.first
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when 'newmtl'
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material = Material.new(array.last)
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@model.current_material = array.last
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@model.materials[array.last] = material
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when 'Ns' # Specular Exponent
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when 'Ka' # Ambient color
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@model.materials[@model.current_material].ambient = Color.new(Float(array[1]), Float(array[2]), Float(array[3]))
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when 'Kd' # Diffuse color
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@model.materials[@model.current_material].diffuse = Color.new(Float(array[1]), Float(array[2]), Float(array[3]))
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when 'Ks' # Specular color
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@model.materials[@model.current_material].specular = Color.new(Float(array[1]), Float(array[2]), Float(array[3]))
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when 'Ke' # Emissive
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when 'Ni' # Unknown (Blender Specific?)
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when 'd' # Dissolved (Transparency)
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when 'illum' # Illumination model
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when 'map_Kd' # Diffuse texture
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texture = File.basename(array[1])
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texture_path = "#{File.expand_path("../../", @model.file_path)}/textures/#{texture}"
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@model.materials[@model.current_material].set_texture(texture_path)
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end
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end
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end
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def change_object(name)
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@model.objects << Object.new(name)
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@model.current_object = @model.objects.last
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end
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def set_smoothing(value)
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if value == "1"
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@model.smoothing = true
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else
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@model.smoothing = false
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end
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end
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def set_material(name)
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@model.current_material = name
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end
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def material
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@model.materials[@model.current_material]
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end
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def faces_count
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count = 0
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@model.objects.each {|o| count+=o.faces.count}
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return count
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end
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def add_vertex(array)
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@model.vertex_count+=1
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vert = nil
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if array.size == 5
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vert = Vector.new(Float(array[1]), Float(array[2]), Float(array[3]), Float(array[4]))
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elsif array.size == 4
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vert = Vector.new(Float(array[1]), Float(array[2]), Float(array[3]), 1.0)
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else
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raise
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end
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@model.current_object.vertices << vert
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@model.vertices << vert
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end
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def add_normal(array)
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vert = nil
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if array.size == 5
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vert = Vector.new(Float(array[1]), Float(array[2]), Float(array[3]), Float(array[4]))
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elsif array.size == 4
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vert = Vector.new(Float(array[1]), Float(array[2]), Float(array[3]), 1.0)
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else
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raise
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end
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@model.current_object.normals << vert
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@model.normals << vert
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end
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def add_texture_coordinate(array)
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texture = nil
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if array.size == 4
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texture = Vector.new(Float(array[1]), 1-Float(array[2]), Float(array[3]))
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elsif array.size == 3
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texture = Vector.new(Float(array[1]), 1-Float(array[2]), 1.0)
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else
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raise
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end
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@model.current_object.textures << texture
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@model.uvs << texture
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end
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end
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end
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end
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