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MapTiler.py
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MapTiler.py
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# -------------------------------------------------------------
# License
# -------------------------------------------------------------
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the Software
# without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to
# whom the Software is furnished to do so, subject to the
# following conditions:
#
# The above copyright notice and this permission notice shall
# be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# -------------------------------------------------------------
"""
Convert a series of same-sized images into a tile set and tile map that can be
opened in Tiled. This is designed specifically for taking a map constructed
as multiple layers and creating a Tiled file automatically.
Usage: MapTiler.py [--tileWidth=WIDTH]
[--tileHeight=HEIGHT]
[--tileOffX=OFFX]
[--tileOffY=OFFY]
[--tileInsetX=INSETX]
[--tileInsetY=INSETY]
[--filePattern=PATTERN]
[--floorLayer=FLOORLAYER]
[--wallLayer=WALLLAYER]
[--portalLayer=PORTALLAYER]
[--doorLayer=DOORLAYER]
[--forceSquareTileset]
[--overwriteExisting]
[--mergeExisting]
[--outTileset=OUTTILESET]
[--outTiled=OUTTILED]
[--outNavPrefix=OUTNAVPRE]
[--verbose]
[<layerImage>...]
Arguments:
Options:
layerImage A list of image files to be used as
inputs. They will be processed and
placed into the .tmx file in the
order entered. Or sorted if a
search pattern is used.
--tileWidth=WIDTH The tile width in pixels.
[Default: 64]
--tileHeight=HEIGHT The tile height in pixels.
[Default: 64]
--tileOffX=OFFX Offset pixels in the image in the
horizontal direction. May NOT
be negative.
[Default: 0]
--tileOffY=OFFY Offset pixels in the image in the
vertical direction. May NOT
be negative.
[Default: 0]
--tileInsetX=INSETX Offset pixels from the right edge.
[Default: 0]
--tileInsetY=INSETY Offset pixels from the bottom edge.
[Default: 0]
--filePattern=PATTERN A glob pattern for image files.
--outTileset=OUTTILESET The output tileset image file.
[Default: tileset.png]
--outTiled=OUTTILED The output Tiled file in .tmx format.
[Default: tiled.tmx]
--forceSquareTileset If present, the tileset image will be
a square image. The output tileset image
is always a power of 2 in size.
--floorLayer=FLOORLAYER Define the name for the floor layer to be
used in nav map generation. See below.
--wallLayer=WALLLAYER Define the name for the wall layer to be
used in nav map generation. See below.
--portalLayer=PORTALLAYER Define the name for the portal layer to be
used in nav map generation. See below.
--doorLayer=DOORLAYER Define the name for the door layer to be
used in nav map generation.
--outNavPrefix=OUTNAVPRE If the floorLayer, wallLayer, and portalLayer options are
specified, navigation data will be generated. This
option specifies the prefix for the navigation data,
including layers and properties.
[Default: NAV_]
--verbose If present, give output while working.
--overwriteExisting Overwrite output files with new files.
--mergeExisting Overwrite the tileset file and attempt
to merges the layers in the new file
with the existing file. See below.
Merging and Overwriting
------------------------------------------------------------------------------
The script will check if the output files exist first. The default
behavior IS TO FAIL if they do. This is to prevent you from accidentally
overwriting your data files.
If the --overwriteExisting flag is set, the existing files will be overwritten
without checking. If the --mergeExisting option is set, the script will
overwrite the tile set and attempt to merge the tiled file. Ther merge will
fail if the width/height in tiles of the layers has changed.
When failing, the original files will be preserved.
Merge Operations
----------------------------------------------
(1) The merge operation will merge in processed layers with existing
layers already in the file.
It does this by iterating through the existing <data>
tag of the layer (if it can find it) and updating each <tile>
element with the gid of the element from the new set. Otherwise,
it does not touch ANY DATA. If it cannot find the layer in the
existing file, it is added.
If you have other tilesets in the
existing file with a gid = "1", this operation will generate
bad results.
(2) If you created a room map (floorLayer, wallLayer, doorLayer, portalLayer),
then the existing tileset will be scanned and all properties for the outNavPrefix +
"ROOM" will be erased.
The new tiles for rooms will have the property added with
the room number as the value.
The --overwriteExisting and --mergeExisting are mutually exclusive.
Website: http://www.NonlinearIdeas.com
Repository: https://github.com/NonlinearIdeas/Map-Tiler
Report Issues: https://github.com/NonlinearIdeas/Map-Tiler
License: MIT License - See specific text in source code.
Copyright: Copyright (c) 2015 Nonlinear Ideas Inc (contact@nlideas.com)
"""
import glob
import os
import Image
import ImageChops
import ImageDraw
import ImageFont
from lxml import etree
import docopt
import math
import datetime
import random
class MapTiler(object):
# Transformations are numbered 0-7. The transformations
# each have three flags, indicating a flip across the X axis,
# a flip across the y axis, or a diagonal flip. These correspond
# to three bits that are stored in Tiled GIDs for each tile
# when it is put into the layer.
#
# These transformations are also equivalent to a flip along the
# X axis (MirrorX) followed by a rotation of 0 x 90 degrees.
#
# There are two different "transform" approaches because the
# PIL's transform(...) function does not perform a "Flip Diagonal",
# while Tiled's bits do. The former is used to determine which
# transformation is necessary, while the second is used to
# store it in Tiled.
TRANSFORM_LIST = [
# xForm, mirrorX, rot90
(0, False, 0),
(1, False, 1),
(2, False, 2),
(3, False, 3),
(4, True, 0),
(5, True, 1),
(6, True, 2),
(7, True, 3),
]
TRANSFORM_DICT = {
# xForm, flipX, flipY, flipD
0: ( False, False, False),
1: ( False, True, True),
2: ( True, True, False),
3: ( True, False, True),
4: ( True, False, False),
5: ( False, False, True),
6: ( False, True, False),
7: ( True, True, True),
}
FLIPPED_HORIZONTALLY_FLAG = 0x80000000
FLIPPED_VERTICALLY_FLAG = 0x40000000
FLIPPED_DIAGONALLY_FLAG = 0x20000000
PROPERTY_ROOM = "ROOM"
DRAW_FONT = "Transformers Movie.ttf"
def __init__(self):
self.Reset()
def Reset(self):
self.tileProperties = {}
# Updates the gid for a tile based on the rotation
# and flipX flag passed in from the PyxelEdit element.
def UpdateGIDForRotation(self, gid, xForm):
# Constants used in Tiled to indicate flip/rotation
flipX, flipY, flipD = MapTiler.TRANSFORM_DICT[xForm]
if flipX:
gid += MapTiler.FLIPPED_HORIZONTALLY_FLAG
if flipY:
gid += MapTiler.FLIPPED_VERTICALLY_FLAG
if flipD:
gid += MapTiler.FLIPPED_DIAGONALLY_FLAG
return gid
def ExtractTileIndex(self,gid):
return gid & \
MapTiler.FLIPPED_DIAGONALLY_FLAG & \
MapTiler.FLIPPED_HORIZONTALLY_FLAG & \
MapTiler.FLIPPED_DIAGONALLY_FLAG
def CreateLayerFiles(self, inputFilePattern = None, fileList = []):
if inputFilePattern:
files = glob.glob(inputFilePattern)
if len(files) == 0:
print "No files found matching pattern %s." % self.inputFilePattern
return False
else:
files.sort()
fileList += files
# If there are no files to process, we are done.
if len(fileList) == 0:
print "No files to process."
return False
self.layerFiles = []
self.layerNames = []
for file in fileList:
if not os.path.exists(file):
print "File %s does not exist."%file
print "Unable to coninue."
return False
if file != self.outTilesetFile:
self.layerFiles.append(file)
self.layerNames.append(os.path.splitext(os.path.split(file)[1])[0])
return True
def CheckImageSizes(self):
# Open the first file and get its size.
imgFile = self.LoadCroppedImage(self.layerFiles[0])
imageWidth, imageHeight = imgFile.size
if imageWidth % self.tileWidth != 0:
print "File %s's Width %d cannot be divided evenly by tile width %d." % (
self.layerFiles[0], imageWidth, self.tileWidth)
return False
if imageHeight % self.tileHeight != 0:
print "File %s's Height %d cannot be divided evenly by tile height %d." % (
self.layerFiles[0], imageHeight, self.tileHeight)
return False
self.imageWidth = imageWidth
self.imageHeight = imageHeight
self.layerWidth = imageWidth / self.tileWidth
self.layerHeight = imageHeight / self.tileHeight
self.layerTiles = self.layerWidth * self.layerHeight
for other in self.layerFiles[1:]:
imgFile = self.LoadCroppedImage(other)
width, height = imgFile.size
if width != self.imageWidth or height != self.imageHeight:
print "Image %s Size (%d x %d) does not match base size (%d x %d)" % (
other, width, height, self.imageWidth, self.imageHeight)
return False
return True
def CalculateImageIndexFromCell(self, col, row):
index = row * self.layerWidth + col
return index
def CalculateImageRowCell(self, index):
row = index / self.layerWidth
col = index % self.layerWidth
return col, row
def CalculateSubimageRect(self, index):
row = index / self.layerWidth
col = index % self.layerWidth
x0 = col * self.tileWidth
x1 = x0 + self.tileWidth
y0 = row * self.tileHeight
y1 = y0 + self.tileHeight
return (x0, y0, x1, y1)
def ExtractSubimage(self, im, index):
rect = self.CalculateSubimageRect(index)
ex = im.crop(rect)
return ex
def GetOccupiedTiles(self,layerName):
result = []
layerDict = self.layerDict[layerName]
for idx in layerDict:
tileIdx, xForm = layerDict[idx]
if tileIdx > 0:
result.append(idx)
return result
def DrawCenteredText(self,image,text,size=16,color=(0,0,0)):
draw = ImageDraw.Draw(image)
font = ImageFont.truetype(MapTiler.DRAW_FONT,size)
szX,szY = image.size
drX,drY = font.getsize(text)
xPos = (szX - drX)/2
yPos = (szY - drY)/2
draw.text((xPos,yPos),text,color,font)
def CreateRandomColorTile(self,channelMin=64,channelMax=200,opacity=64,text=None):
r = random.randint(channelMin,channelMax)
g = random.randint(channelMin,channelMax)
b = random.randint(channelMin,channelMax)
tile = Image.new("RGBA", (self.tileWidth, self.tileHeight), (r,g,b,opacity))
if text:
self.DrawCenteredText(tile,text,self.tileWidth/3,(0,0,0))
return tile
def ExportNavFiles(self):
pass
def CreateBlockingData(self):
self.blockedList = self.GetOccupiedTiles(self.navWallLayer)
def CreateWalkableData(self):
floorTiles = self.GetOccupiedTiles(self.navFloorLayer)
wallTiles = self.GetOccupiedTiles(self.navWallLayer)
self.walkableList = [idx for idx in floorTiles if idx not in wallTiles]
def CreateRoomData(self):
floorTiles = self.GetOccupiedTiles(self.navFloorLayer)
wallTiles = self.GetOccupiedTiles(self.navWallLayer)
portalTiles = self.GetOccupiedTiles(self.navPortalLayer)
doorTiles = self.GetOccupiedTiles(self.navDoorLayer)
for idx in doorTiles:
if idx not in portalTiles:
portalTiles.append(idx)
walkable = [idx for idx in floorTiles if idx not in wallTiles]
portals = [idx for idx in portalTiles if idx not in wallTiles]
rooms = []
# Use a flood fill algorithm to figure out where the rooms are.
while len(walkable) > 0:
# Start a list for the tiles in this room.
roomTiles = []
# Push the first element in the walkables onto the list.
queue = [walkable[0]]
while len(queue) > 0:
# Pull it off the stack
idx = queue.pop(0)
# It is in the room.
roomTiles.append(idx)
x, y = self.CalculateImageRowCell(idx)
adjacent = [self.CalculateImageIndexFromCell(x, y + 1),
self.CalculateImageIndexFromCell(x, y - 1),
self.CalculateImageIndexFromCell(x + 1, y),
self.CalculateImageIndexFromCell(x - 1, y)]
for adj in adjacent:
if adj in roomTiles:
continue
if adj not in walkable:
# Already considered or not walkable
continue
if adj in queue:
# Already in consideration
continue
if idx in portals and adj in portals:
# Don't expand beyond doors.
continue
queue.append(adj)
# Remove it from walkable...we've looked at it now.
walkable.remove(idx)
rooms.append(roomTiles)
# Cache off the rooms
self.roomDict = {}
for idx in xrange(len(rooms)):
self.roomDict[idx] = rooms[idx]
def CreateRoomsLayer(self):
roomDict = self.roomDict
keys = roomDict.keys()
keys.sort()
# Create the layer
layerDict = { idx:(0,0) for idx in xrange(self.layerTiles) }
for idx in keys:
tile = self.CreateRandomColorTile(opacity=128,text="R%d"%idx)
tileIdx = len(self.imageDict)
self.imageDict[tileIdx] = tile
for roomTile in roomDict[idx]:
layerDict[roomTile] = (tileIdx,0)
self.tileProperties[tileIdx] = [(self.outNavPrefix + MapTiler.PROPERTY_ROOM,"%s"%idx)]
lname = self.outNavPrefix + "Rooms"
self.layerDict[lname] = layerDict
self.layerNames.append(lname)
def CreateWalkableLayer(self):
walkable = self.walkableList
# Add a tile to represent a blocked cell
walkTile = Image.new("RGBA", (self.tileWidth, self.tileHeight), (0, 0, 128, 64))
walkTileIdx = len(self.imageDict)
self.imageDict[walkTileIdx] = walkTile
# Add a layer to represent the blocked layer
lname = self.outNavPrefix + "Walkable"
layerDict = {}
for idx in xrange(self.layerTiles):
if idx in walkable:
layerDict[idx] = (walkTileIdx, 0)
else:
layerDict[idx] = (0, 0)
self.layerDict[lname] = layerDict
self.layerNames.append(lname)
def CreateBlockingLayer(self):
blocked = self.blockedList
# Add a tile to represent a blocked cell
blockedTile = Image.new("RGBA",(self.tileWidth,self.tileHeight), (128,0,0,64))
blockedTileIdx = len(self.imageDict)
self.imageDict[blockedTileIdx] = blockedTile
# Add a layer to represent the blocked layer
lname = self.outNavPrefix + "Blocked"
layerDict = { idx: (0,0) for idx in xrange(self.layerTiles)}
for idx in xrange(self.layerTiles):
if idx in blocked:
layerDict[idx] = (blockedTileIdx,0)
self.layerDict[lname] = layerDict
self.layerNames.append(lname)
def CreateNavData(self):
if self.createNavData:
self.CreateWalkableData()
self.CreateBlockingData()
self.CreateRoomData()
self.CreateWalkableLayer()
self.CreateBlockingLayer()
self.CreateRoomsLayer()
return True
def CreateTileset(self):
self.imageDict = {}
self.layerDict = {}
self.tilesCreated = 0
self.tilesPossible = 0
# Create an empty tile.
# There is almost ALWAYS at least one of these.
emptyTile = Image.new('RGBA', (self.tileWidth, self.tileHeight ), (0, 0, 0, 0))
self.imageDict[0] = emptyTile
self.tilesCreated += 1
subimgIdx = 1
tilesToProcess = len(self.layerFiles)*self.layerTiles
tilesProcessed = 0
lastTileMatchIndex = 0
for fname in self.layerFiles:
lname = os.path.split(fname)[1]
lname = os.path.splitext(lname)[0]
if self.verbose:
print "Creating Subimages for layer %s" % lname
self.layerDict[lname] = {}
img = self.LoadCroppedImage(fname)
foundXform = False
for idx in xrange(self.layerTiles):
subimg = self.ExtractSubimage(img, idx)
foundXform = False
col, row = self.CalculateImageRowCell(idx)
self.tilesPossible += 1
tilesProcessed += 1
# A slight optimization here. Tiles are being scanned
# horizontally and they often repeat. The last tile is
# a good candidate for a match, so check this one first.
# Some "Results"
# Processing a small map (JanHouse.png) changed the process time from 8 seconds to 6 seconds.
# Processing a large mpa (kmare.png) changed the process time from 14:51 to 8:48.
#
# This approach appears to have some merit.
#
xForm = self.FindImageTransformation(subimg, self.imageDict[lastTileMatchIndex])
if xForm != None:
self.layerDict[lname][idx] = (lastTileMatchIndex, xForm)
if self.verbose:
print "[%5.1f%% Complete] [%5.1f%% Eff] Layer %s, Index %d (%d,%d) maps onto image %d, xForm %d." % (
100 * tilesProcessed / tilesToProcess,
100 * (1.0 - self.tilesCreated * 1.0 / self.tilesPossible),
lname, idx, row, col, lastTileMatchIndex, xForm )
continue
for desIdx in self.imageDict.keys():
# Already checked this one.
if desIdx == lastTileMatchIndex:
continue
xForm = self.FindImageTransformation(subimg, self.imageDict[desIdx])
if xForm != None:
# We have an equivalent transformation
self.layerDict[lname][idx] = (desIdx, xForm)
if self.verbose:
print "[%5.1f%% Complete] [%5.1f%% Eff] Layer %s, Index %d (%d,%d) maps onto image %d, xForm %d."%(
100*tilesProcessed/tilesToProcess,
100*(1.0-self.tilesCreated*1.0/self.tilesPossible),
lname,idx,row,col,desIdx,xForm )
foundXform = True
lastTileMatchIndex = desIdx
break
if not foundXform:
# Keep this one.
self.imageDict[subimgIdx] = subimg
self.layerDict[lname][idx] = (subimgIdx, 0)
if self.verbose:
print "[%5.1f%% Complete] [%5.1f%% Eff] Layer %s, Index %d (%d,%d) is a new image."%(
100.0 * tilesProcessed / tilesToProcess,
100 * (1.0 - self.tilesCreated * 1.0 / self.tilesPossible),
lname,idx,row,col)
# Increment the subimage index for the next one.
lastTileMatchIndex = subimgIdx
self.tilesCreated += 1
subimgIdx += 1
return True
def DumpTilemap(self):
print "---------------------------------"
print 'Tile Map'
print "---------------------------------"
for fname in self.layerFiles:
lname = os.path.split(fname)[1]
lname = os.path.splitext(lname)[0]
print "Layer:", lname
for idx in xrange(self.layerTiles):
col, row = self.CalculateImageRowCell(idx)
print " -[%d] (%d, %d) %s" % (idx, col, row, self.layerDict[lname][idx])
print
# Determine if two images are the same by comparing rotations and
# reflections between them. If a transformation can be found that
# turns the first into the second, return it. Otherwise return None.
# This is NOT a trivial operation.
def FindImageTransformation(self, im1org, im2org):
for xForm, mirrorX, rot90 in MapTiler.TRANSFORM_LIST:
im2 = im2org
if mirrorX:
im2 = im2.transpose(Image.FLIP_LEFT_RIGHT)
if rot90 == 1:
im2 = im2.transpose(Image.ROTATE_90)
elif rot90 == 2:
im2 = im2.transpose(Image.ROTATE_180)
elif rot90 == 3:
im2 = im2.transpose(Image.ROTATE_270)
if im1org.size != im2.size:
# Don't compare images that are not the same size.
continue
if ImageChops.difference(im1org, im2).getbbox() is None:
# They are the same now
return xForm
return None
def FindNextPowerOfTwo(self, N):
k = 1
while k < N:
k = k * 2
return k
def ExportTileset(self):
# How many tiles do we have?
tileCount = len(self.imageDict)
# Need to create a "square" image that is a power of 2
# This helps with GPUs, etc.
imageDimWidth = self.FindNextPowerOfTwo(math.sqrt(tileCount))
imageDimHeight = imageDimWidth
if self.forceSquareTileset:
# To save on space, we'll decrement the dimension by 1 until we
# can't fit the tiles.
while imageDimHeight * imageDimWidth > tileCount:
imageDimHeight = imageDimHeight / 2
imageDimHeight = imageDimHeight * 2
imageWidth = imageDimWidth * self.tileWidth
imageHeight = imageDimHeight * self.tileHeight
self.tilesetWidth = imageWidth
self.tilesetHeight = imageHeight
print "The tile size is (%d x %d) pixels wide x high."%(self.tileWidth,self.tileHeight)
print "For %d tiles, the image size will be %d x %d tiles (%d x %d pixels)." % (
tileCount, imageDimWidth, imageDimHeight, imageWidth, imageHeight)
print "Efficiency = 100%%(1-Tiles Created / Tiles Possible) => 100%%(1-%d/%d) = %4.1f%%."%(
self.tilesCreated,
self.tilesPossible,
100*(1.0-self.tilesCreated*1.0/self.tilesPossible))
# Create the output image
imgOut = Image.new('RGBA', (imageWidth, imageHeight), (0, 0, 0, 0))
for idx in xrange(tileCount):
row = idx / imageDimWidth
col = idx % imageDimWidth
x0 = col * self.tileWidth
y0 = row * self.tileHeight
x1 = x0 + self.tileWidth
y1 = y0 + self.tileHeight
imgOut.paste(self.imageDict[idx], (x0, y0, x1, y1))
print "Saving tileset to %s." % self.outTilesetFile
imgOut.save(self.outTilesetFile)
return True
def LoadCroppedImage(self,fileName):
image = Image.open(fileName)
w, h = image.size
x0 = self.tileOffX
y0 = self.tileOffY
x1 = w - self.tileInsetX
y1 = h - self.tileInsetY
img = image.crop((x0, y0, x1, y1))
if img.mode != "RGBA":
img = img.convert("RGBA")
return img
def CreateTiledFile(self):
# Build the root node ("map")
outRoot = etree.Element("map")
outRoot.attrib["version"] = "1.0"
outRoot.attrib["orientation"] = "orthogonal"
outRoot.attrib["renderorder"] = "left-up"
outRoot.attrib["width"] = "%s" % self.layerWidth
outRoot.attrib["height"] = "%s" % self.layerHeight
outRoot.attrib["tilewidth"] = "%s" % self.tileWidth
outRoot.attrib["tileheight"] = "%s" % self.tileHeight
# Build the tileset
tileset = etree.SubElement(outRoot, "tileset")
tileset.attrib["firstgid"] = "1"
tileset.attrib["name"] = os.path.splitext(os.path.split(self.outTilesetFile)[1])[0]
tileset.attrib["tilewidth"] = "%s" % self.tileWidth
tileset.attrib["tileheight"] = "%s" % self.tileHeight
# Add the image information for the tileset
imgElem = etree.SubElement(tileset, "image")
imgElem.attrib["source"] = self.outTilesetFile
imgElem.attrib["width"] = "%s" % self.tilesetWidth
imgElem.attrib["height"] = "%s" % self.tilesetHeight
# Add any special properties that we have put into the tiles.
for tileID in self.tileProperties:
tile = etree.SubElement(tileset,"tile")
tile.attrib["id"] = "%s"%tileID
properties = etree.SubElement(tile,"properties")
for name,value in self.tileProperties[tileID]:
property = etree.SubElement(properties,"property")
property.attrib["name"] = name
property.attrib["value"] = "%s"%value
# Now iterate over the layers and pull out each one.
for lname in self.layerNames:
self.CreateXMLLayer(outRoot,lname)
outTree = etree.ElementTree(outRoot)
return outTree
def CreateXMLLayer(self,outRoot,layerName):
layer = etree.SubElement(outRoot, "layer")
layer.attrib["name"] = layerName
layer.attrib["width"] = "%s" % self.layerWidth
layer.attrib["height"] = "%s" % self.layerHeight
data = etree.SubElement(layer, "data")
# In each layer, there are width x height tiles.
for idx in xrange(self.layerTiles):
tile = etree.SubElement(data, "tile")
gid, xForm = self.layerDict[layerName][idx]
if (gid == 0):
# This is the "empty" tile
tile.attrib["gid"] = "0"
else:
tile.attrib["gid"] = str(self.UpdateGIDForRotation(gid + 1, xForm))
def MergeTiledFiles(self):
outTree = etree.parse(self.outTiledFile)
outRoot = outTree.getroot()
# Remove all the properties for "ROOM" from the existing tileset
# and add the room tags for the new tiles to it, if nav tiles
# were generated.
if self.createNavData:
for tileset in outRoot.findall("tileset"):
if tileset.attrib["firstgid"] == "1":
# Remove ROOM property for tiles.
for tile in tileset.findall("tile"):
for properties in tile.findall("properties"):
for property in properties.findall("property"):
if property.attrib["name"] == self.outNavPrefix + MapTiler.PROPERTY_ROOM:
properties.remove(property)
# Add any special properties that we have put into the tiles.
for tileID in self.tileProperties:
tile = etree.SubElement(tileset, "tile")
tile.attrib["id"] = "%s" % tileID
properties = etree.SubElement(tile, "properties")
for name, value in self.tileProperties[tileID]:
property = etree.SubElement(properties, "property")
property.attrib["name"] = name
property.attrib["value"] = "%s" % value
# Find all the layers in the output tree
layers = outRoot.findall("layer")
outLayers = { layer.attrib['name']:layer for layer in layers }
# For every layer that already exists, just update the GID data.
# Otherwise, add a new layer to the tree with the data.
for lname in self.layerNames:
if lname in outLayers:
if self.verbose:
print "Layer %s will be updated."%lname
data = outLayers[lname].find("data")
tiles = data.findall("tile")
for idx in xrange(len(tiles)):
tile = tiles[idx]
gid, xForm = self.layerDict[lname][idx]
if (gid == 0):
# This is the "empty" tile
tile.attrib["gid"] = "0"
else:
tile.attrib["gid"] = str(self.UpdateGIDForRotation(gid + 1, xForm))
else:
# Regardless of "verbosity", let the user know we are
# adding a whole new layer to their map.
print "Layer %s DOES NOT EXIST in the existing file will be added."%lname
self.CreateXMLLayer(outRoot, lname)
return outTree
def ExportTiledFile(self):
if os.path.exists(self.outTiledFile):
if self.mergeExisting:
outTree = self.MergeTiledFiles()
else:
# Not merging, just overwriting
outTree = self.CreateTiledFile()
else:
outTree = self.CreateTiledFile()
outTree.write(self.outTiledFile, encoding="UTF-8", xml_declaration=True, pretty_print=True)
print "Saving tiled file to %s." % self.outTiledFile
return True
def SecondsToHMS(self,seconds):
hours = divmod(seconds, 3600) # hours
minutes = divmod(hours[1], 60) # minutes
return (hours[0],minutes[0],minutes[1])
# If a merge operation is going to happen, check the existing file
# and find out the layer width/height in tiles. If it is not the
# same, abort the operation. We could check this at the end, but
# this would mean the tile set has been created, and that could
# take a while.
def CheckMergingFiles(self):
if not os.path.exists(self.outTiledFile):
# If the file does not exist, there is nto a problem.
return True
if not self.mergeExisting:
# If we are not merging, there is not a problem.
return True
# Load the existing file.
inTree = etree.parse(self.outTiledFile)
inRoot = inTree.getroot()
# Verify the tile width/height.
layerWidth = int(inRoot.attrib["width"])
layerHeight = int(inRoot.attrib["height"])
if layerWidth != self.layerWidth:
print "Layer width in existing %s = %d which does not match new configuration width %d."%(
self.outTiledFile,
layerWidth,
self.layerWidth)
return False
if layerHeight != self.layerHeight:
print "Layer height in existing %s = %d which does not match new configuration width %d." % (
self.outTiledFile,
layerHeight,
self.layerHeight)
return False
# Currently,this script produces only ONE tileset
# and it will take some work to move them all around
# and merge them. So for now at least, the script will
# fail if the tiled file contains more than one tileset.
tilesets = inRoot.findall("tileset")
if len(tilesets) == 0:
print "Existing Tiled file has no tileset in it. Cannot merge."
return False
if len(tilesets) > 1:
print "Existing Tiled file has more than one tileset in it."
return False
images = tilesets[0].findall("image")
if len(images) == 0:
print "Existing tileset has no image associated with it."
return False
if len(images) > 1:
print "Existing tileset is connected to more than one image."
return False
imageSrc = images[0].attrib['source']
if imageSrc != self.outTilesetFile:
print "Existing tileset uses image %s, not output image %s."%(imageSrc,self.outTilesetFile)
return False
return True
def CheckExistingFiles(self):
if self.mergeExisting and self.overwriteExisting:
print "Cannot have options to merge and overwrite existing files."
return False
if os.path.exists(self.outTilesetFile):
if not self.mergeExisting and not self.overwriteExisting:
print "Output %s exists and would be modified. Use options to control this."%self.outTilesetFile
return False
if os.path.exists(self.outTiledFile):
if not self.mergeExisting and not self.overwriteExisting:
print "Output %s exists and would be modified. Use options to control this."%self.outTiledFile
return False
return True
def CheckNavArguments(self):
self.createNavData = False
if self.navPortalLayer or self.navFloorLayer or self.navWallLayer or self.navDoorLayer:
if self.navPortalLayer == None or self.navWallLayer == None or \
self.navFloorLayer == None or self.navDoorLayer == None:
print "Must specifiy floorLayer, wallLayer, doorLayer, and portalLayer if any are specified."
return False
if self.navFloorLayer not in self.layerNames:
print "Nav Floor Layer %s not in layers."%self.navFloorLayer
return False
if self.navWallLayer not in self.layerNames:
print "Nav Wall Layer %s not in layers." % self.navWallLayer
return False
if self.navPortalLayer not in self.layerNames:
print "Nav Portal Layer %s not in layers." % self.navPortalLayer
return False
self.createNavData = True
return True
def ProcessInputs(self,
tileWidth,
tileHeight,
tileOffX,
tileOffY,
tileInsetX,
tileInsetY,
fileList,
inputFilePattern,
outTilesetFile,
outTiledFile,
forceSquareTileset,
verbose ,
mergeExisting,
overwriteExisting,
floorLayer,
wallLayer,
portalLayer,
doorLayer,
outNavPrefix):
self.Reset()
self.tileOffX = tileOffX
self.tileOffY = tileOffY
self.tileInsetX = tileInsetX
self.tileInsetY = tileInsetY
self.tileWidth = tileWidth
self.tileHeight = tileHeight
self.outTilesetFile = outTilesetFile
self.outTiledFile = outTiledFile
self.forceSquareTileset = forceSquareTileset
self.verbose = verbose
self.mergeExisting = mergeExisting
self.overwriteExisting = overwriteExisting
self.startTime = datetime.datetime.now()
self.outNavPrefix = outNavPrefix
self.navWallLayer = wallLayer
self.navPortalLayer = portalLayer
self.navFloorLayer = floorLayer
self.navDoorLayer = doorLayer
# Main execution path
if not self.CheckExistingFiles():
print "Unable to continue."
return False
if not self.CreateLayerFiles(inputFilePattern,fileList):
print "Unable to continue."
return False
if not self.CheckNavArguments():
print "Unable to continue."
return False
if not self.CheckImageSizes():
print "Unable to continue."
return False
if not self.CheckMergingFiles():
print "Unable to continue."
return False
if not self.CreateTileset():
print "Unable to continue."
return False
if not self.CreateNavData():
print "Unable to continue."
return False
# self.DumpTilemap()
if not self.ExportTileset():
print "Unable to continue."
return False
if not self.ExportTiledFile():
print "Unable to continue."
return False
# Report execution time.
self.stopTime = datetime.datetime.now()
totalSeconds = (self.stopTime-self.startTime).total_seconds()
h,m,s = self.SecondsToHMS(totalSeconds)
print "Started: ",self.startTime
print "Stopped: ",self.stopTime
print "Total Run Time: [%d Hrs: %d Min: %d Sec]"%(h,m,s)
return True
if __name__ == "__main__":
arguments = docopt.docopt(__doc__)
# When testing is done, this is where
# test arguments are inserted.
"""
arguments["<layerImage>"] = ["Floors.png",
"Walls.png",
"Doors.png",
"DoorActivators.png",
"Portals.png",
"Healing.png",
"Ammo.png",
"Weapons.png"]
arguments["--tileWidth"] = "32"
arguments["--tileHeight"] = "32"
arguments["--verbose"] = True
# arguments["--overwriteExisting"] = True
arguments["--mergeExisting"] = True
arguments["--floorLayer"] = "Floors"
arguments["--wallLayer"] = "Walls"
arguments["--portalLayer"] = "Portals"
arguments["--doorLayer"] = "Doors"
"""
print "-----------------------------------"
print "Inputs:"
args = arguments.keys()
args.sort()
for arg in args:
print "%-25s %s"%(arg,arguments[arg])
print "-----------------------------------"
tileWidth = int(arguments['--tileWidth'])
tileHeight = int(arguments['--tileHeight'])
tileOffX = int(arguments['--tileOffX'])
tileOffY = int(arguments['--tileOffY'])
tileInsetX = int(arguments['--tileInsetX'])
tileInsetY = int(arguments['--tileInsetY'])
outTiled = arguments['--outTiled']
outTileset = arguments['--outTileset']
filePattern = arguments["--filePattern"]
forceSquareTileset = arguments['--forceSquareTileset']
fileList = arguments["<layerImage>"]
verbose = arguments['--verbose']
mergeExisting = arguments['--mergeExisting']
overwriteExisting = arguments['--overwriteExisting']
wallLayer = arguments['--wallLayer']
portalLayer = arguments['--portalLayer']
floorLayer = arguments['--floorLayer']
doorLayer = arguments['--doorLayer']
outNavPrefix = arguments['--outNavPrefix']
# Now execute the parser
parser = MapTiler()
parser.ProcessInputs(tileWidth,
tileHeight,
tileOffX,
tileOffY,
tileInsetX,
tileInsetY,
fileList,
filePattern,
outTileset,
outTiled,
forceSquareTileset,
verbose,
mergeExisting,
overwriteExisting,
floorLayer,
wallLayer,
portalLayer,
doorLayer,
outNavPrefix)