#!/usr/bin/python3

import math

size = 25 

# converts from even-q vertical layout to world coords
def offset_to_world_coords(offset_coordinate_x, offset_coordinate_y):
    z_offset = 0
    if offset_coordinate_x % 2 != 0:
        z_offset = -math.sqrt(3) * 0.25

    return [
            offset_coordinate_x * 0.75, 
            0., 
            z_offset + offset_coordinate_y * math.sqrt(3) * 0.5]


# [gd_scene load_steps=2 format=2]
# 
# [ext_resource path="res://scenes/HexTile3D.tscn" type="PackedScene" id=1]
# 
# [node name="Spatial" type="Spatial"]
# 
# [node name="HexTile3D1" parent="." instance=ExtResource( 1 )]
# 
# [node name="HexTile3D2" parent="." instance=ExtResource( 1 )]
# transform = Transform( -1.62921e-07, 0, 1, 0, 1, 0, -1, 0, -1.62921e-07, 0, 0, 0.866 )



print ("""
[gd_scene load_steps=2 format=2]

[ext_resource path="res://scenes/HexTile3D.tscn" type="PackedScene" id=1]

[node name="Spatial" type="Spatial"]

"""
)

tile_index = 0
for x_i in range (size):
    for y_i in range (size):
        coord = offset_to_world_coords(x_i, y_i)

        print ("[node name=\"HexTile3D{tile_index}\" parent=\".\" instance=ExtResource( 1)]".format(tile_index = tile_index ))
        print ("transform = Transform( 0, 0, 1, 0, 1, 0, -1, 0, 0, {x_coord}, 0, {z_coord} )".format(x_coord = coord[0], z_coord = coord[2]))

        tile_index = tile_index + 1