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require 'magicmaze/filemap'
require 'json'
require 'fileutils'
class MapExporter
attr_reader :gamemap, :filemap ##< Current map being processed.
def initialize(filemap)
@filemap = filemap
@gamemap = filemap.to_gamemap
end
MAP_X_SIZE = ::MagicMaze::GameMap::MAP_X_SIZE
MAP_Y_SIZE = ::MagicMaze::GameMap::MAP_Y_SIZE
# https://github.com/bjorn/tiled/wiki/JSON-Map-Format
def to_tiled_json
@gamemap ||= filemap.to_gamemap
{
width: MAP_X_SIZE,
height: MAP_Y_SIZE,
tilewidth: 32,
tileheight: 32,
orientation: 'orthogonal',
layers: [
# The Background layer # FIXME: What about invisible walls and hidden passages?
{
width: MAP_X_SIZE,
height: MAP_Y_SIZE,
name: "Background",
opacity: 1.0,
type: "tilelayer",
visible: true,
x: 0,
y: 0,
properties: {},
data: background_layer_to_data
},
# TODO: Foreground layer separate?
# Objects layer
{
width: MAP_X_SIZE,
height: MAP_Y_SIZE,
name: "Objects",
opacity: 1.0,
type: "objectgroup",
visible: true,
x: 0,
y: 0,
properties: {},
objects: object_layer_to_data,
draworder: "topdown",
},
# Entities layer
{
width: MAP_X_SIZE,
height: MAP_Y_SIZE,
name: "Entities",
opacity: 1.0,
type: "objectgroup",
visible: true,
x: 0,
y: 0,
objects: entity_layer_to_data,
draworder: "topdown",
},
],
tilesets: [
{
firstgid: 1, # NOTE: Tiled editor won't open if this is 0....
image: "../../../data/gfx/sprites.png",
imageheight: 288,
imagewidth: 320,
margin: 0,
name: "sprites",
properties:
{
},
spacing: 0,
tileheight: 32,
tilewidth: 32,
transparentcolor: "#000000"
},
],
backgroundcolor: "#222222", # string Hex-formatted color (#RRGGBB) (Optional)
# renderorder: "", # string Rendering direction (orthogonal maps only)
properties: {
start_x: gamemap.start_x,
start_y: gamemap.start_y,
title: filemap.title
},
nextobjectid: 1, # int Auto-increments for each placed object
renderorder: "right-down",
version: 1
}
end
def background_layer_to_data
data = []
(0..gamemap.max_y).each do |y|
(0..gamemap.max_x).each do |x|
tile = gamemap.background.get( x, y )
data << (tile && tile.sprite_id.to_i + 1) || 0
end
end
unless data.size == 128*128
raise "Data size inconsistent! #{ data.size } "
end
data
end
def object_layer_to_data
list = []
filemap.each_row do |row, y|
filemap.each_column do |x|
obj = gamemap.object.get( x, y )
next unless obj
data =
{
gid: obj.sprite_id + 1, # FIXME: + ::MagicMaze::FileMap::MONSTER_NUMBER_BEGIN,
x: x * 32,
y: y * 32,
height: 32, width: 32,
type: obj.class.to_s.split(":").last,
visible: true,
properties: {
},
}
list << data
end
end
list
end
def entity_layer_to_data
gamemap.active_entities.all.collect do |entity|
{
gid: entity.sprite_id + 1, # FIXME: + ::MagicMaze::FileMap::MONSTER_NUMBER_BEGIN,
x: entity.location.x * 32,
y: entity.location.y * 32,
height: 32, width: 32,
type: "Monster", # TODO: Any others here? # WAS: entity.class.to_s,
visible: true,
properties: {
},
}
end
end
module ClassMethods
# Iterate all default maps.
def for_all_default_maps(upto=10)
for_all_default_map_filenames(upto) {|filename|
@filemap = MagicMaze::FileMap.new( filename )
yield @filemap
@filemap = nil
}
end
##
# Iterate all default maps filenames.
def for_all_default_map_filenames(upto=10)
(1..upto).each do|level|
@filename = sprintf "data/maps/mm_map.%03d", level
yield @filename
@filename = nil
end
end
def perform
output_dir = "data/maps/tiled/"
map_count = 0
FileUtils.mkdir_p(output_dir)
for_all_default_maps do |map|
map_count +=1
@filemap = map
filename = output_dir + sprintf("mm_map%03d.json", map_count)
tiled_map = self.new(map).to_tiled_json
File.open(filename, 'w') do |output|
puts "#{filename} ..."
json_str = tiled_map.to_json
# json_str = JSON.pretty_generate(tiled_map) # For debugging.
output.puts json_str
end
@filemap = nil
end
end
end # ClassMethods
extend ClassMethods
end
MapExporter.perform
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