190 lines
6.7 KiB
Lua
190 lines
6.7 KiB
Lua
-- Note: The x-coordinate is reversed in sign between minetest and minecraft,
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-- and the API compensates for this.
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-- fix path --
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if string.find(package.path, "%\\%?") then
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package.path = package.path .. ";" .. string.gsub(package.path, "bin%\\lua%\\%?%.lua", "mods\\raspberryjammod\\?.lua")
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package.cpath = package.cpath .. ";" .. string.gsub(package.cpath, "bin%\\%?", "mods\\raspberryjammod\\?")
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else
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package.path = package.path .. ";" .. string.gsub(package.path, "bin%/lua%/%?%.lua", "mods/raspberryjammod/?.lua")
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package.cpath = package.cpath .. ";" .. string.gsub(package.cpath, "bin%/%?", "mods/raspberryjammod/?")
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end
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local block = require("block")
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local socket = require("socket")
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local server = socket.bind("*", 4711)
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server:settimeout(0)
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local clientlist = {}
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minetest.register_globalstep(function(dtime)
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local newclient,err = server:accept()
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if not err then
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newclient:settimeout(0)
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table.insert(clientlist, newclient)
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print("RJM client connected")
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end
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for i = 1, #clientlist do
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local err = false
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local line
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while not err do
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line,err = clientlist[i]:receive()
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if err == "closed" then
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table.remove(clientlist,i)
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print("RJM client disconnected")
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elseif not err then
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local response = handle_command(line)
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if response then clientlist[i]:send(response.."\n") end
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end
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end
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end
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end)
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function getplayer(id)
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-- TODO: handle multiplayer
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return minetest.get_connected_players()[1]
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end
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function handle_entity(cmd, id, args)
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entity = getplayer(id)
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if cmd == "getPos" then
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local pos = entity:getpos()
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return ""..(-pos.x)..","..(pos.y)..","..(pos.z)
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elseif cmd == "setPos" then
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entity:setpos({x=-tonumber(args[1]), y=tonumber(args[2]), z=tonumber(args[3])})
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elseif cmd == "getPitch" then
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return ""..(entity:get_look_pitch() * -180 / math.pi)
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elseif cmd == "getRotation" then
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return ""..((90 - entity:get_look_yaw() * 180 / math.pi) % 360)
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elseif cmd == "getDirection" then
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local dir = entity:get_look_dir()
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return ""..(-dir.x)..","..(dir.y)..","..(dir.z)
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end
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return nil
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end
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function parse_node(args, start)
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local nodenum
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if #args < start then
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nodenum = 0
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elseif #args == start then
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nodenum = block.Block(tonumber(args[start]),0)
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else
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nodenum = block.Block(tonumber(args[start]),tonumber(args[start+1]))
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end
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local node = block.BLOCK[nodenum]
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if node == nil then
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node = block.BLOCK[bit.band(nodenum,0xFFF)]
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if not node then
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node = block.BLOCK[STONE]
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end
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end
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return node
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end
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function handle_world(cmd, args)
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if cmd == "setBlock" then
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local node = parse_node(args, 4)
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minetest.set_node({x=tonumber(args[1]),y=tonumber(args[2]),z=tonumber(args[3])},node)
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elseif cmd == "setNode" then
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minetest.set_node({x=tonumber(args[1]),y=tonumber(args[2]),z=tonumber(args[3])},{name=args[4]})
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elseif cmd == "setBlocks" then
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local node = parse_node(args, 7)
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x1 = math.min(-tonumber(args[1]),-tonumber(args[4]))
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x2 = math.max(-tonumber(args[1]),-tonumber(args[4]))
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y1 = math.min(tonumber(args[2]),tonumber(args[5]))
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y2 = math.max(tonumber(args[2]),tonumber(args[5]))
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z1 = math.min(tonumber(args[3]),tonumber(args[6]))
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z2 = math.max(tonumber(args[3]),tonumber(args[6]))
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for ycoord = y1,y2 do
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for xcoord = x1,x2 do
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for zcoord = z1,z2 do
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minetest.set_node({x=xcoord,y=ycoord,z=zcoord},node)
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end
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end
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end
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elseif cmd == "setNodes" then
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local node = {node = args[7]}
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x1 = math.min(-tonumber(args[1]),-tonumber(args[4]))
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x2 = math.max(-tonumber(args[1]),-tonumber(args[4]))
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y1 = math.min(tonumber(args[2]),tonumber(args[5]))
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y2 = math.max(tonumber(args[2]),tonumber(args[5]))
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z1 = math.min(tonumber(args[3]),tonumber(args[6]))
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z2 = math.max(tonumber(args[3]),tonumber(args[6]))
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for ycoord = y1,y2 do
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for xcoord = x1,x2 do
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for zcoord = z1,z2 do
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minetest.set_node({x=xcoord,y=ycoord,z=zcoord},node)
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end
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end
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end
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elseif cmd == "getNode" then
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return minetest.get_node({x=-tonumber(args[1]),y=tonumber(args[2]),z=tonumber(args[3])}).name
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elseif cmd == "getBlockWithData" or cmd == "getBlock" then
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node = minetest.get_node({x=-tonumber(args[1]),y=tonumber(args[2]),z=tonumber(args[3])})
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local id, meta
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if node == "ignore" then
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id = block.AIR
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meta = 0
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else
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id = block.STONE
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meta = 0
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for key,value in pairs(block.BLOCK) do
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if value.name == node.name then
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id = math.floor(bit.band(key,0xFFF))
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meta = math.floor(bit.rshift(key,12))
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break
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end
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end
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end
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if cmd == "getBlock" then
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return ""..id
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else
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return ""..id..","..meta
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end
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elseif cmd == "getHeight" then
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-- TODO: Handle larger heights than 1024
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local xcoord = -tonumber(args[1])
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local zcoord = tonumber(args[2])
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for ycoord = 1024,-1024,-1 do
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name = minetest.get_node({x=xcoord,y=ycoord,z=zcoord}).name
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if name ~= "ignore" and name ~= "air" then
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return ""..ycoord
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end
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end
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return "-1025"
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elseif cmd == "getPlayerId" then
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return "1"
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elseif cmd == "getPlayerIds" then
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return "1"
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end
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return nil
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end
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function handle_command(line)
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local cmd, argtext = string.match(line, "([^(]+)%((.*)%)")
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if not cmd then return end
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local args = {}
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for arg in string.gmatch(argtext, "([^,]+)") do
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table.insert(args, arg)
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end
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if cmd:sub(1,6) == "world." then
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return handle_world(cmd:sub(7),args)
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elseif cmd:sub(1,7) == "player." then
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return handle_entity(cmd:sub(8),1,args)
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elseif cmd:sub(1,7) == "entity." then
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local player = tonumber(args[1])
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table.remove(args,1)
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return handle_entity(cmd:sub(8),player,args)
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elseif cmd == "chat.post" then
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minetest.chat_send_all(argtext)
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end
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return nil
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end
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-- TODO:
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-- world: setting, getPlayerId (need multiplayer support), getPlayerIds (need multiplayer)
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-- entity: getPitch (untested), getRotation (untested), getDirection, getTilePos, setTilePos
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-- events: clear, block.hits, chat.posts, setting
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