diff options
| -rw-r--r-- | docs/gpu.txt | 14 | ||||
| -rw-r--r-- | gpu.lua | 27 |
2 files changed, 41 insertions, 0 deletions
diff --git a/docs/gpu.txt b/docs/gpu.txt index 98df39d..80427ad 100644 --- a/docs/gpu.txt +++ b/docs/gpu.txt @@ -12,6 +12,7 @@ Example: {command="send",buffer=0,channel="example"} } +Invalid commands or commands with missing/invalid parameters will be ignored. Command: createbuffer --------------------- @@ -33,6 +34,19 @@ Parameters: buffer [integer 0-7]: The buffer to send the contents of. channel [string]: The digilines channel to send the message on. +Command: sendregion +------------------- + +Sends part of the contents of a buffer to a digiscreen, rgblightstone panel, or other digilines device. + +Parameters: +buffer [integer 0-7]: The buffer to send part of the contents of. +channel [string]: The digilines channel to send the message on. +x1 [integer 1-64]: The X position of the left side of the region to send. +x2 [integer 1-64]: The X position of the right side of the region to send. +y1 [integer 1-64]: The Y position of the top side of the region to send. +y2 [integer 1-64]: The Y position of the bottom side of the region to send. + Command: drawrect ----------------- @@ -201,6 +201,33 @@ local function runcommand(pos,meta,command) if type(buffer) == "table" then digiline:receptor_send(pos,digiline.rules.default,command.channel,buffer) end + elseif command.command == "sendregion" then + if type(command.buffer) ~= "number" or type(command.channel) ~= "string" then return end + local bufnum = math.floor(command.buffer) + if bufnum < 0 or bufnum > 7 then return end + local buffer = meta:get_string("buffer"..bufnum) + if string.len(buffer) == 0 then return end + buffer = minetest.deserialize(buffer) + if type(buffer) ~= "table" then return end + if type(command.x1) ~= "number" or type(command.x2) ~= "number" or type(command.y1) ~= "number" or type(command.x2) ~= "number" then return end + local x1 = math.min(64,math.floor(command.x1)) + local y1 = math.min(64,math.floor(command.y1)) + local x2 = math.min(64,math.floor(command.x2)) + local y2 = math.min(64,math.floor(command.y2)) + if x1 < 1 or y1 < 1 or x2 < 1 or y2 < 1 then return end + x2 = math.min(x2,buffer.xsize) + y2 = math.min(y2,buffer.ysize) + if x1 > x2 or y1 > y2 then return end + local tempbuf = {} + for y=y1,y2,1 do + local dsty = y-y1+1 + tempbuf[dsty] = {} + for x=x1,x2,1 do + local dstx = x-x1+1 + tempbuf[dsty][dstx] = buffer[y][x] + end + end + digiline:receptor_send(pos,digiline.rules.default,command.channel,tempbuf) elseif command.command == "drawrect" then if type(command.buffer) ~= "number" or type(command.x1) ~= "number" or type(command.y1) ~= "number" or type(command.x2) ~= "number" or type(command.y2) ~= "number" then return end local bufnum = math.floor(command.buffer) |