3 files changed, 190 insertions, 0 deletions
diff --git a/boot/ccboot/boot.lua b/boot/ccboot/boot.lua
new file mode 100644
index 0000000..f094de0
--- /dev/null
+++ b/boot/ccboot/boot.lua
@@ -0,0 +1,177 @@
+if os.ccboot then
+	term.setTextColor(colors.red);
+	print("Insufficient memory.");
+	error();
+end;
+
+-- Add ccboot identifier to OS variable
+os.ccboot = true;
+os.ccboot_version = "1.0";
+
+-- Define constants
+local VERSION = "1.0";
+local AUTHOR_INFO = "Written by Adrian Ulbrich"
+local INFO_TEXT = { "Use the up and down arrow keys to select", "which entry is highlighted.", "Press enter to boot the selected OS." };
+local TIMEOUT_TEXT = { "The highlighted entry will be executed", "automatically in {TIMEOUT} seconds." };
+local CONFIG_PATH = "boot/ccboot/ccboot.cfg";
+local DEFAULT_SELECTED = 1;
+local DEFAULT_TIMEOUT = -1;
+
+-- Define local variables
+local selected = nil;
+local timeout = nil;
+local entryNames = {};
+local entryPaths = {};
+local configFile;
+local timeoutTimer = nil;
+
+-- Always pull raw events
+local pullEvent = os.pullEvent;
+os.pullEvent = os.pullEventRaw;
+
+-- Get terminal dimensions
+local w, h = term.getSize();
+
+-- Define functions
+function string.startsWith(str, text)
+    return string.sub(str, 1, string.len(text)) == text;
+end;
+
+function fatalError(text)
+	term.setTextColor(colors.red);
+	print(text);
+	term.setTextColor(colors.white);
+	print("press any key to reboot.");
+	os.pullEvent("key");
+	os.reboot();
+end;
+
+function printTimeoutText()
+	for i, v in pairs(TIMEOUT_TEXT) do
+		term.setCursorPos(6, h - 3 + i);
+		write(string.gsub(v, "{TIMEOUT}", timeout));
+	end;
+end;
+
+function removeTimeoutText()
+	term.setTextColor(colors.black);
+	printTimeoutText();
+	term.setTextColor(colors.white);
+end
+
+function bootOS(index)
+	local n = 1;
+	for i, v in pairs(entryPaths) do
+		if n == index then
+			term.clear();
+			term.setCursorPos(1, 1);
+			os.pullEvent = pullEvent;
+			shell.run(v);
+			os.shutdown();
+		end
+		n = n + 1;
+	end;
+end;
+
+-- Clear the screen
+term.clear();
+term.setCursorPos(1, 1);
+
+-- Check if the config file exists
+if not fs.exists(CONFIG_PATH) then
+	fatalError("fatal error: ccboot config file could not be found (\"" .. CONFIG_PATH .. "\").");
+end;
+
+-- Read the config file
+configFile = io.open(CONFIG_PATH, "r");
+if configFile == nil then
+	fatalError("fatal error: ccboot config file could not be opened for reading (\"" .. CONFIG_PATH .. "\").");
+end;
+
+for line in configFile:lines() do
+	if string.startsWith(line, "selected ") then
+		selected = tonumber(string.sub(line, #"selected " + 1));
+	elseif string.startsWith(line, "timeout ") then
+		timeout = tonumber(string.sub(line, #"timeout " + 1));
+	elseif string.startsWith(line, "entry ") then
+		local entry = string.sub(line, #"entry " + 1);
+		local splitPos = string.find(entry, ";");
+		local name = string.sub(entry, 1, splitPos - 1);
+		local path = string.sub(entry, splitPos + 1);
+		table.insert(entryNames, name);
+		table.insert(entryPaths, path);
+	end;
+end;
+
+if selected == nil then selected = DEFAULT_SELECTED end;
+if timeout == nil then timeout = DEFAULT_TIMEOUT end;
+
+io.close(configFile);
+
+local nameString = "CCboot  version " .. VERSION;
+
+-- Print the name at the top
+term.setCursorPos((w - #nameString) / 2, 2);
+write(nameString);
+term.setCursorPos((w - #AUTHOR_INFO) / 2, 3);
+write(AUTHOR_INFO);
+
+for i, v in pairs(INFO_TEXT) do
+	term.setCursorPos(6, h - 6 + i);
+	write(v);
+end;
+
+if timeout > -1 then
+	timeoutTimer = os.startTimer(1);
+	printTimeoutText();
+end;
+
+-- Print the entries and handle keyboard input
+while true do
+	local printIndex = 1;
+	for i, v in pairs(entryNames) do
+		if printIndex == selected then
+			term.setTextColor(colors.black);
+			term.setBackgroundColor(colors.white);
+		end;
+		term.setCursorPos(3, 5 + printIndex - 1);
+		for i=0,w - 6 do write(' ') end
+		term.setCursorPos(3, 5 + printIndex - 1);
+		print(v);
+		if printIndex == selected then
+			term.setTextColor(colors.white);
+			term.setBackgroundColor(colors.black);
+		end;
+		printIndex = printIndex + 1;
+	end
+	
+	local event, val = os.pullEvent();
+	if event == "key" then
+		if val == keys.up then
+			selected = selected - 1;
+			os.cancelTimer(timeoutTimer);
+			removeTimeoutText();
+		elseif val == keys.down then
+			selected = selected + 1;
+			os.cancelTimer(timeoutTimer);
+			removeTimeoutText();
+		elseif val == keys.enter then
+			bootOS(selected);
+		end;
+		
+		if selected < 1 then
+			selected = 1;
+		elseif selected >= printIndex then
+			selected = selected - 1;
+		end;		
+		
+	elseif event == "timer" and val == timeoutTimer then
+		timeout = timeout - 1;
+		printTimeoutText();
+		
+		if timeout == -1 then
+			bootOS(selected);
+		end;
+		timeoutTimer = os.startTimer(1);
+	end;
+end;
diff --git a/boot/ccboot/ccboot.cfg b/boot/ccboot/ccboot.cfg
new file mode 100644
index 0000000..3c7cbd4
--- /dev/null
+++ b/boot/ccboot/ccboot.cfg
@@ -0,0 +1,8 @@
+selected 1
+timeout 5
+
+entry bits-UI;system/boot.lua
+entry bits-UI Update;system/update.lua
+entry bits-UI Recovery;system/recovery/main.lua
+entry CraftOS Regular;rom/programs/shell.lua
+entry CraftOS (MBS);boot/mbs.lua
+\ No newline at end of file
diff --git a/boot/mbs.lua b/boot/mbs.lua
new file mode 100644
index 0000000..a80ee70
--- /dev/null
+++ b/boot/mbs.lua
@@ -0,0 +1,5 @@
+assert(loadfile("/.mbs/bin/mbs.lua", _ENV))('startup')
+term.setTextColor(16)
+print(os.version() .. " (+MBS)")
+term.setCursorPos(1,2)
+term.setTextColor(1)
+\ No newline at end of file