node-wad

### Doom map editing. Does not support nodebuilding yet. ### BufferWriter = require("buffer-utils").BufferWriter Bitfield = require("bitfield") isClockwise = (positions) -> edges = [] for i1 in [0..positions.length - 1] if i1 is positions.length - 1 i2 = 0 else i2 = i1 + 1 edges.push( (positions[i2][0] - positions[i1][0]) * (positions[i2][1] + positions[i1][1]) ) return edges.reduce((x, y) -> x + y) > 0 writeChars = (st, bw, cap, maxLen) -> if not cap? then cap = 0 if not maxLen? then maxLen = st.toString('ascii').length if cap > 0 padding = "\x00".repeat(cap - st.length) else padding = "" for c in st.slice(0, maxLen).toString() + padding data = (new Buffer(c, 'ascii')) bw.writeUInt8(data.readUInt8()) class WSector constructor: (@floorHeight, @ceilHeight, @floorTex, @ceilTex, @lighting, @special, @tag, @index) -> if not @floorHeight? then @floorHeight = 0 if not @ceilHeight? then @ceilHeight = 128 if not @floorTex? then @floorTex = "FLAT1" else @floorTex = @floorTex.toString('ascii') if not @ceilTex? then @ceilTex = "FLAT2" else @ceilTex = @ceilTex.toString('ascii') if not @lighting? then @lighting = 192 if not @special? then @special = 0 if not @tag? then @tag = 0 write: (bw) => bw .writeInt16LE(@floorHeight) .writeInt16LE(@ceilHeight) writeChars(@floorTex, bw, 8) writeChars(@ceilTex, bw, 8) bw .writeInt16LE(@lighting) .writeUInt16LE(@special) .writeUInt16LE(@tag) return @ defaultFlags = new Bitfield(16) defaultFlags.set(0) defaultFlags.set(1) defaultFlags.set(2) defaultFlags.set(8) defaultFlags.set(9) defaultFlags.set(10) defaultFlags = defaultFlags.buffer.readUInt16LE() class WThing constructor: (@xpos, @ypos, @angle, @type, @flags) -> if not @flags? then @flags = defaultFlags if not @angle? then @angle = 0 write: (bw) => bw .writeInt16LE(@xpos) .writeInt16LE(@ypos) .writeUInt16LE(@angle) .writeUInt16LE(@type) .writeUInt16LE(@flags) return @ class WSidedef constructor: (@xoffs, @yoffs, @uptex, @midtex, @lowtex, @frontSector, @index) -> if @frontSector instanceof WSector then @frontSector = @frontSector.index if not @frontSector? then @frontSector = -1 if not @midtex? then @midtex = "STARTAN2" # MWAHAHAHAHAHA if not @uptex? then @uptex = "-" if not @lowtex? then @lowtex = "-" if not @xoffs? then @xoffs = 0 if not @yoffs? then @yoffs = 0 write: (bw) => bw .writeInt16LE(@xoffs) .writeInt16LE(@yoffs) writeChars(@uptex, bw, 8) writeChars(@lowtex, bw, 8) writeChars(@midtex, bw, 8) bw.writeInt16LE(@frontSector) return @ class WLinedef constructor: (@begin, @end, @flags, @linetype, @tag, @frontSidedef, @backSidedef) -> if @begin instanceof WVertex then @begin = @begin.index if @end instanceof WVertex then @end = @end.index if @frontSidedef instanceof WSidedef then @frontSidedef = @frontSidedef.index if @backSidedef instanceof WSidedef then @backSidedef = @backSidedef.index if not @frontSidedef? then @frontSidedef = 0xFFFF if not @backSidedef? then @backSidedef = 0xFFFF if not @flags? then @flags = (if @backSidedef isnt 0xFFFF then 0b100 else 0b001) console.log(@index, @frontSidedef) write: (bw) => bw .writeUInt16LE(@begin) .writeUInt16LE(@end) .writeUInt16LE(@flags) .writeUInt16LE(@linetype) .writeUInt16LE(@tag) .writeUInt16LE(@frontSidedef) .writeUInt16LE(@backSidedef) return @ class WVertex constructor: (@x, @y, @index) -> write: (bw) => bw .writeInt16LE(@x) .writeInt16LE(@y) return @ distanceTo: (v2) => Math.sqrt(Math.abs(Math.pow(v2?.x - @x, 2) + Math.pow(v2?.y - @y, 2))) class MapEdit constructor: (@mapName) -> @vertexes = [] @linedefs = [] @sidedefs = [] @things = [] @sectors = [] @read: (wad, pos) -> # wip m = new MapEdit(wad.lumps[pos].name) return m toLumps: (wad) => wad.addLump(@mapName) vb = new BufferWriter() @things.forEach((s) -> s.write(vb)) wad.addLump("THINGS", vb.getContents()) @linedefs.forEach((l) -> l.write(vb)) wad.addLump("LINEDEFS", vb.getContents()) @sidedefs.forEach((s) -> s.write(vb)) wad.addLump("SIDEDEFS", vb.getContents()) @vertexes.forEach((v) -> v.write(vb)) data = vb.getContents() wad.addLump("VERTEXES", data) @sectors.forEach((v) -> v.write(vb)) wad.addLump("SECTORS", vb.getContents()) return @ # for chaining addVertex: (x, y) => @vertexes.push(new WVertex(x, y, @vertexes.length)) return @ # for chaining addThing: (x, y, type, angle, flags) => @things.push(new WThing(x, y, angle, type, flags)) return @ # for chaining buildSector: (positions, sectorData, lineData) => if not sectorData? then sectorData = {} if not lineData? then lineData = {} newv = [] newlines = [] newpos = @vertexes.length for p in positions if p in @vertexes.map((v) -> [v.x, v.y]) v = @vertexes[@vertexes.map((v2) -> [v2.x, v2.y]).indexOf(p)] else v = new WVertex(p[0], p[1], @vertexes.length) console.log([v.x, v.y], @vertexes .filter((v2) -> dist = v.distanceTo(v2) return dist < 16 ) .map((v2) -> [v2.x, v2.y])) @vertexes.push(v) newv.push(v) vi = 0 sector = new WSector( sectorData.floorHeight, sectorData.ceilHeight, sectorData.floorTex, sectorData.ceilTex, sectorData.light, sectorData.special, sectorData.tag, @sectors.index ) @sectors.push(sector) for v1 in newv v2 = newv[if vi < newv.length - 1 then vi + 1 else 0] side = new WSidedef(lineData.xOff, lineData.yOff, lineData.upTex, lineData.midTex, lineData.lowTex, sector, @sidedefs.length) @sidedefs.push(side) if v1.index >= newpos and v2.index >= newpos line = new WLinedef(v1, v2, lineData.flags, lineData.lineType, lineData.tag, side, null) @linedefs.push(line) else for l in @linedefs if l.begin == v1.index and l.end == v2.index line = l break if line.backSidedef < 0xFFFF # testing stuff line.frontSidedef = side else line.backSidedef = side vi++ return @ module.exports = MapEdit