Added log printing on the screen on startup.

The log library now prints all the logs on startup.

lib/component.lua

@@ -11,7 +11,7 @@ end
 --local ocelot = LLcomponent.proxy(LLcomponent.list("ocelot")())
 --ocelot.log("loaded")
 
-_G.componentlib = {["additions"] = {}, ["removals"] = {}}
+_G.componentlib = { ["additions"] = {}, ["removals"] = {} }
 compLib.virtual = {}
 
 function compLib.virtual.add(address, componentType, proxy)
@@ -23,7 +23,7 @@ function compLib.virtual.add(address, componentType, proxy)
   if _PUBLIC.tsched then
     proc = _PUBLIC.tsched.getCurrentTask()
   end
-  componentlib.additions[address] = {["componentType"] = componentType, ["proxy"] = proxy, ["proc"] = proc}
+  componentlib.additions[address] = { ["componentType"] = componentType, ["proxy"] = proxy, ["proc"] = proc }
   if componentlib.removals[address] then
     componentlib.removals[address] = nil
   end
@@ -49,7 +49,7 @@ end
 
 function compLib.list(componentType)
   checkArg(1, componentType, "string", "nil")
-  local componentList = table.copy(LLcomponent.list(componentType))
+  local componentList = LLcomponent.list(componentType)
   for address, dataTable in pairs(componentlib.additions) do
     if dataTable.componentType == componentType or not componentType then
       componentList[address] = dataTable.componentType
@@ -59,10 +59,12 @@ function compLib.list(componentType)
     componentList[address] = nil
   end
   local i, value
-  setmetatable(componentList, {__call = function(self)
-    i, value = next(self, i)
-    return i, value
-  end})
+  setmetatable(componentList, {
+    __call = function(self)
+      i, value = next(self, i)
+      return i, value
+    end
+  })
   return componentList
 end
 
@@ -93,19 +95,21 @@ function compLib.get(address)
   end
   for currentAddress, name in compLib.list() do
     if currentAddress:find("^" .. address) then
-      return(currentAddress)
+      return (currentAddress)
     end
   end
   return nil, "full address not found"
 end
 
 -- Add main component proxies to the library
-setmetatable(compLib, {["__index"] = function(_, item)
-  if compLib.list(item)() then
-    return compLib.proxy(compLib.list(item)())
-  else
-    return compLib[item]
+setmetatable(compLib, {
+  ["__index"] = function(_, item)
+    if compLib.list(item)() then
+      return compLib.proxy(compLib.list(item)())
+    else
+      return compLib[item]
+    end
   end
-end})
+})
 
 return compLib

lib/log.lua

@@ -1,15 +1,24 @@
-local fs, computer
+local fs, computer, gpu
 local chunkSize = 1024
 if require then
   fs = require("filesystem")
   computer = require("computer")
+  gpu = require("component").gpu
 else
   local loadfile = ...
   fs = loadfile("/lib/filesystem.lua")(loadfile)
   computer = _G.computer
+  gpu = loadfile("/lib/component.lua")(loadfile).gpu
 end
 
+local resX, resY = gpu.getResolution()
 local log = {}
+if not _G.logSettings then
+  _G.logSettings = { -- We have to preload the library just for this :P
+    ["printLogs"] = true,
+    ["printerY"] = 1
+  }
+end
 
 local logFileSizeLimit = 16384
 
@@ -60,6 +69,26 @@ local function writeToLog(path, text)
     readHandle:close()
     writeHandle:close()
   end
+
+  if _G.logSettings.printLogs then
+    -- Print onscreen
+    if text:sub(1, 4) == "INFO" then -- Set color
+      gpu.setForeground(0xFFFFFF)
+    elseif text:sub(1, 4) == "WARN" then
+      gpu.setForeground(0xFFFF00)
+    elseif text:sub(1, 5) == "ERROR" then
+      gpu.setForeground(0xFF0000)
+    end
+    repeat -- Line wrapping
+      if _G.logSettings.printerY > resY then
+        gpu.copy(1, 2, resX, resY - 1, 0, -1)
+        _G.logSettings.printerY = resY
+      end
+      gpu.set(1, _G.logSettings.printerY, text .. string.rep(" ", resX - #text))
+      text = text:sub(resX + 1)
+      _G.logSettings.printerY = _G.logSettings.printerY + 1
+    until text == ""
+  end
 end
 
 setmetatable(log, {
@@ -82,4 +111,9 @@ setmetatable(log, {
   end,
 })
 
+function log.setPrintLogs(setting) -- Yes, this works with the metatable.
+  checkArg(1, setting, "boolean")
+  _G.logSettings.printLogs = setting
+end
+
 return log