43 lines
1.1 KiB
Ruby
43 lines
1.1 KiB
Ruby
#!/usr/bin/env ruby
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require "erb"
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TEMPLATE = <<EOF
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float[2][] vertices = [
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<%= vertices.map {|v| v[0, 2].inspect}.join(",\n ") %>
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];
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<% objects.each_pair do |obj_name, obj_array| %>
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int[][][] <%= obj_name %> = [
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<%= obj_array.map {|oa| "[" + oa.map {|o| o.inspect}.join(",\n ") + "]"}.join(",\n ") %>
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];
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<% end %>
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EOF
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def main(obj_fname, d_fname)
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objects = {}
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vertices = []
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cur_obj = nil
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File.read(obj_fname).each_line do |line|
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if line =~ /^v\s+(\S+)\s+(\S+)/
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vertices << [$1.to_f, $2.to_f]
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elsif line =~ /^o\s+(..)-(\d+)/
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obj_class, obj_class_index = $1, $2.to_i
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objects[obj_class] ||= []
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objects[obj_class][obj_class_index] ||= []
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cur_obj = objects[obj_class][obj_class_index]
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elsif line =~ /^o\s+(.*)/
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raise "Do not know how to handle object #{$1.inspect}"
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elsif line =~ /^f\s+(\d+)\s+(\d+)\s+(\d+)/
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cur_obj << [$1, $2, $3].map(&:to_i)
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elsif line =~ /^l\s+(\d+)\s+(\d+)/
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cur_obj << [$1, $2].map(&:to_i)
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end
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end
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File.open(d_fname, "w") do |fh|
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fh.puts ERB.new(TEMPLATE, nil, "<>").result(binding)
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end
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end
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main(*ARGV)
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