tools/bits.py

# Copyright 2020 Project U-Ray Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import re
import sys
import json
# Usage: frames.txt tiles.txt tilegrid.json

frame_line_re = re.compile(r'0x([0-9A-Fa-f]+).*')

frame_rc_height = {}

with open(sys.argv[1], 'r') as f:
	for line in f:
		m = frame_line_re.match(line)
		if not m:
			continue
		frame = int(m.group(1), 16)
		bus = (frame >> 24) & 0x7
		half = (frame >> 23) & 0x1
		row = (frame >> 18) & 0x1F
		col = (frame >> 8) & 0x3FF
		minor = frame & 0xFF
		if bus != 0 or half != 0:
			continue
		if (row, col) not in frame_rc_height:
			frame_rc_height[(row, col, frame & ~0xFF)] = minor + 1
		else:
			frame_rc_height[(row, col, frame & ~0xFF)] = max(frame_rc_height[(row, col)], minor + 1)

tiles_to_xy = {}
with open(sys.argv[2], 'r') as tilef:
	for line in tilef:
		sl = line.strip().split(",")
		if len(sl) < 4:
			continue
		x = int(sl[0])
		y = int(sl[1])
		name = sl[2]
		tiles_to_xy[name] = (x, y)

with open(sys.argv[3]) as tb_f:
	tbj = json.load(tb_f)

frames_to_tiles = {} 
for tilename, tiledata in tbj.items():
	tile_offset = 0
	for chunk in tiledata:
		frame, start, size = chunk
		if frame not in frames_to_tiles:
			frames_to_tiles[frame] = []
		name = tilename.split(":")[0]
		frames_to_tiles[frame].append((start, tiles_to_xy[name][1], tiles_to_xy[name][0], name))
		tile_offset += size

for frame, tiles in frames_to_tiles.items():
	tiles.sort()

for rc, height in sorted(frame_rc_height.items()):
	row, col, frame = rc
	line = "%08x %6d %6d %6d" % (frame, row, col, height)
	print(line)
	frame = (row << 18) | (col << 8)
	last_start = 0;
	if frame in frames_to_tiles and len(frames_to_tiles[frame]) > 0:
		for tile in frames_to_tiles[frame]:
			start, ty, tx, tname = tile
			print("                            %6d (%4d) %6d %6d %s" % (start, start - last_start, tx, ty, tname))
			last_start = start