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#!/usr/bin/env python
"""
This script is intended to be run in the same directory as a bunch of .c files;
it outputs .rs files.
"""
import sys
def main():
if len(sys.argv) != 2 or not sys.argv[1].endswith(".c"):
print("I take a single file to convert; must be a .c file")
sys.exit(-1)
fname = sys.argv[1][:-2]
infile = open(fname + ".c", 'r')
outfile = open(fname + ".rs", 'w')
vertices = []
normals = []
for line in infile.readlines():
if line.count(",") != 6:
continue
nums = line.strip().split(",")[:-1]
nums = [n.find(".") != -1 and n or n+".0" for n in nums]
#print(nums)
assert(len(nums) == 6)
normals.append(nums[:3])
vertices.append(nums[3:])
infile.close()
outfile.write("""
// This file auto-generated from %s.c using model_c2rs.py
// Don't edit by hand!
use cow_vertex::Vertex;
pub const %s_VERTICES: [Vertex; %d] = [
""" % (fname, fname.upper(), len(vertices)))
for i in range(len(vertices)):
v = vertices[i]
n = normals [i]
outfile.write(" Vertex { position: (%s, %s, %s),\n" % (v[0], v[1], v[2]));
outfile.write(" normal: (%s, %s, %s), },\n" % (n[0], n[1], n[2]));
outfile.write( "];\n")
outfile.close()
print("Done!")
if __name__ == "__main__":
main()
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