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#!/usr/bin/env python
__version__ = "1.0"
import sys
from argparse import ArgumentParser
import json
import subprocess
from collections import defaultdict
DEF_ROOM_WIDTH = 20
DEF_ROOM_HEIGHT = 10
def find_name(data, name):
for item in data:
if item.get("name").lower() == name.lower():
return item
raise ValueError("%r not found" % name)
def main():
parser = ArgumentParser(description="Map importer",
epilog="Copyright (C) 2015 Juan J Martinez <jjm@usebox.net>",
)
parser.add_argument("--version", action="version", version="%(prog)s " + __version__)
parser.add_argument("--room-width", dest="rw", default=DEF_ROOM_WIDTH, type=int,
help="room width (default: %s)" % DEF_ROOM_WIDTH)
parser.add_argument("--room-height", dest="rh", default=DEF_ROOM_HEIGHT, type=int,
help="room height (default: %s)" % DEF_ROOM_HEIGHT)
parser.add_argument("-b", dest="bin", action="store_true",
help="output binary data (default: C code)")
parser.add_argument("--ucl", dest="ucl", action="store_true",
help="UCL compress (requires ucl binary in the path)")
parser.add_argument("map_json", help="Map to import")
parser.add_argument("id", help="variable name")
args = parser.parse_args()
with open(args.map_json, "rt") as fd:
data = json.load(fd)
mh = data.get("height", 0)
mw = data.get("width", 0)
if mh < args.rh or mh % args.rh:
parser.error("Map size in not multiple of the room size")
if mw < args.rw or mw % args.rw:
parser.error("Map size in not multiple of the room size")
tilewidth = data["tilewidth"]
tileheight = data["tileheight"]
tile_layer = find_name(data["layers"], "Map")["data"]
def_tileset = find_name(data["tilesets"], "default")
tileprops = def_tileset.get("tileproperties", {})
firstgid = def_tileset.get("firstgid")
out = []
for y in range(0, mh, args.rh):
for x in range(0, mw, args.rw):
current = []
for j in range(args.rh):
for i in range(args.rw / 2):
a = (tile_layer[x + (i * 2) + (y + j) * mw] - firstgid) & 0b111
if str(a) in tileprops and tileprops[str(a)].get("blocked"):
a |= 0b1000
b = (tile_layer[x + (i * 2) + 1 + (y + j) * mw] - firstgid) & 0b111
if str(b) in tileprops and tileprops[str(b)].get("blocked"):
b |= 0b1000
current.append((a << 4) | b)
out.append(current)
if args.ucl:
compressed = []
for block in out:
p = subprocess.Popen(["ucl",], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
output, err = p.communicate(bytearray(block))
compressed.append([ord(b) for b in output])
out = compressed
if args.bin:
sys.stdout.write(bytearray(out))
return
print("#define WMAPS %d" % (mw // args.rw))
if args.ucl:
data_out = ""
for i, block in enumerate(out):
data_out_part = ""
for part in range(0, len(block), args.rw // 2):
if data_out_part:
data_out_part += ",\n"
data_out_part += ', '.join(["0x%02x" % b for b in block[part: part + args.rw // 2]])
data_out += "const unsigned char %s_%d[%d] = {\n" % (args.id, i, len(block))
data_out += data_out_part + "\n};\n"
data_out += "const unsigned char *%s[%d] = { " % (args.id, len(out))
data_out += ', '.join(["%s_%d" % (args.id, i) for i in range(len(out))])
data_out += " };\n"
print(data_out)
else:
data_out = ""
for block in out:
if data_out:
data_out += ",\n"
data_out += "{"
for part in range(0, len(block), args.rw // 2):
if data_out and data_out[-1] != "{":
data_out += ",\n"
data_out += ', '.join(["0x%02x" % b for b in block[part: part + args.rw // 2]])
data_out += "}\n"
print("const unsigned char %s[%d][%d] = {\n%s\n};\n" % (args.id,
len(out), args.rh * args.rw / 2, data_out))
enemies = 0
entities_layer = find_name(data["layers"], "Entities")
if len(entities_layer):
map_ents = defaultdict(list)
ent_tileset = find_name(data["tilesets"], "Entities")
firstgid = ent_tileset.get("firstgid")
for obj in entities_layer["objects"]:
m = ((obj["x"] // tilewidth) // args.rw) \
+ (((obj["y"] // tileheight) // args.rh) * (mw // args.rw))
x = obj["x"] % (args.rw * tilewidth)
y = obj["y"] % (args.rh * tileheight) - ent_tileset["tileheight"]
t = int(ent_tileset["tileproperties"][str(obj["gid"] - firstgid)]["id"])
# enemies start at id 10
if t > 9:
enemies += 1
map_ents[m].extend([t, x, y])
if "teleport" in obj.get("properties", {}):
tele = json.loads(obj["properties"]["teleport"])
tm = ((tele[0] // tilewidth) // args.rw) \
+ (((tele[1] // tileheight) // args.rh) * (mw // args.rw))
map_ents[m].extend([tm, tele[0] % (tilewidth * args.rw), tele[1] % (tileheight * args.rh) - ent_tileset["tileheight"]])
for m, ents in map_ents.items():
data_out = ", ".join(["0x%02x" % e for e in ents]) + ", 0xff"
print("const unsigned char %s_e%d[%d] = { %s };" % (args.id, m, len(ents) + 1, data_out))
map_map = []
for i in range(len(out)):
if i in map_ents:
map_map.append("%s_e%d" % (args.id, i))
else:
map_map.append("(unsigned char *)0")
print("const unsigned char *%s_ents[%d] = { %s };\n" % (args.id,
len(out), ", ".join(map_map)))
print("const unsigned char %s_enemies = %s;" % (args.id, enemies))
if __name__ == "__main__":
main()
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