package main

import "core:os"
import "core:io"

PROJECT_DATA_HEADER :: "WOWOWOW THIS IS HEADER WOWOWOW"
PROJECT_DATA_VERSION :: 1

ProjectData :: struct {
	version: u32,
	matrix_count: u32,
	matrices: []f32,
}

WriteProjectError :: union {
	os.Error,
}

WriteProjectErrorType :: enum {
	IncompatibleVersion,
}

project_write :: proc(project: ^ProjectData, path: string) -> os.Error {
	f := os.open(path, {.Create, .Trunc, .Write}) or_return
	w := io.to_writer(os.to_stream(f))
	version: u32 = PROJECT_DATA_VERSION
	io.write_ptr(w, &version, size_of(version))
	io.write_ptr(w, &project.matrix_count, size_of(project.matrix_count))
	io.write_ptr(w, raw_data(project.matrices), int(project.matrix_count) * 9 * size_of(f32))
	os.close(f)
	return nil
}