72 lines
1.6 KiB
Ruby
72 lines
1.6 KiB
Ruby
module Runtime
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class << self
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# Return the base paths to the runtime directories.
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#
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# @return [Array] Current runtime paths.
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def paths
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@paths ||= default_paths
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end
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# Find a runtime file.
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#
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# @param type [Symbol]
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# Type of runtime file to find. Options:
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# - :shader
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# - :font
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# @param name [String]
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# Name of the runtime file to locate.
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#
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# @return [String, nil]
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# Path to the runtime file, or +nil+ if not found.
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def find(type, name)
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path = nil
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paths.find do |runtime_path|
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path = find_in(type, name, runtime_path)
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end
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path
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end
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private
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# Return the default runtime paths.
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#
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# @return [Array] Default runtime paths.
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def default_paths
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[
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File.expand_path("~/.jes"),
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File.expand_path("../../runtime", $0),
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]
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end
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# Find a runtime file within a single runtime path.
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#
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# @param type [Symbol]
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# Type of runtime file to find. Options:
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# - :shader
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# - :font
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# @param name [String]
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# Name of the runtime file to locate.
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# @param runtime_path [String]
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# The runtime path to look in.
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#
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# @return [String, nil]
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# Path to the runtime file, or +nil+ if not found.
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def find_in(type, name, runtime_path)
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path =
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case type
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when :shader
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File.join(runtime_path, "shaders", name)
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else
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raise "Unknown runtime type: #{type.inspect}"
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end
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if File.exists?(path)
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path
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else
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nil
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end
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end
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end
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end
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