From 97aa36c7263e473b409a8276552aa0155ae6f08b Mon Sep 17 00:00:00 2001
From: rubenwardy <rw@rubenwardy.com>
Date: Tue, 9 Jul 2019 23:55:56 +0100
Subject: [PATCH] Initial commit

---
 .gitignore  |  96 ++++++++++++++++++++++++++++++++++++++++
 .luacheckrc |  12 +++++
 actions.lua |  81 ++++++++++++++++++++++++++++++++++
 api.lua     |  73 +++++++++++++++++++++++++++++++
 gui.lua     | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 init.lua    |   5 +++
 mod.conf    |   3 ++
 7 files changed, 393 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .luacheckrc
 create mode 100644 actions.lua
 create mode 100644 api.lua
 create mode 100644 gui.lua
 create mode 100644 init.lua
 create mode 100644 mod.conf

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0f908bc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,96 @@
+
+# Created by https://www.gitignore.io/api/lua,code,linux,windows
+# Edit at https://www.gitignore.io/?templates=lua,code,linux,windows
+
+### Code ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+### Lua ###
+# Compiled Lua sources
+luac.out
+
+# luarocks build files
+*.src.rock
+*.zip
+*.tar.gz
+
+# Object files
+*.o
+*.os
+*.ko
+*.obj
+*.elf
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Libraries
+*.lib
+*.a
+*.la
+*.lo
+*.def
+*.exp
+
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
+
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex
+
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.gitignore.io/api/lua,code,linux,windows
diff --git a/.luacheckrc b/.luacheckrc
new file mode 100644
index 0000000..37bc099
--- /dev/null
+++ b/.luacheckrc
@@ -0,0 +1,12 @@
+unused_args = false
+allow_defined_top = true
+
+globals = {
+	"classroom",
+}
+
+read_globals = {
+	"minetest",
+	"sfinv",
+	"vector",
+}
diff --git a/actions.lua b/actions.lua
new file mode 100644
index 0000000..b243ce7
--- /dev/null
+++ b/actions.lua
@@ -0,0 +1,81 @@
+classroom.register_action("bring", {
+	title = "Bring",
+	description = "Teleport players to your location",
+	online_required = true,
+	func = function(runner, players)
+		local pos = runner:get_pos()
+
+		for _, name in pairs(players) do
+			local player = minetest.get_player_by_name(name)
+			player:set_pos(pos)
+		end
+	end,
+})
+
+classroom.register_action("look", {
+	title = "Look",
+	description = "Make players look at you",
+	online_required = true,
+	func = function(runner, players)
+		local pos = runner:get_pos()
+
+		for _, name in pairs(players) do
+			local player = minetest.get_player_by_name(name)
+			local pos2 = player:get_pos()
+			player:set_look_horizontal(vector.angle(pos, pos2))
+		end
+	end,
+})
+
+classroom.register_action("mute", {
+	title = "Mute",
+	description = "Revoke shout from players",
+	online_required = false,
+	func = function(runner, players)
+		for _, name in pairs(players) do
+			print("Muting " .. name)
+			local privs = minetest.get_player_privs(name)
+			privs.shout = nil
+			minetest.set_player_privs(name, privs)
+		end
+	end,
+})
+
+classroom.register_action("unmute", {
+	title = "Unmute",
+	description = "Grant shout to players",
+	online_required = false,
+	func = function(runner, players)
+		for _, name in pairs(players) do
+			local privs = minetest.get_player_privs(name)
+			privs.shout = true
+			minetest.set_player_privs(name, privs)
+		end
+	end,
+})
+
+classroom.register_action("fly", {
+	title = "Fly",
+	description = "Grant fly to players",
+	online_required = false,
+	func = function(runner, players)
+		for _, name in pairs(players) do
+			local privs = minetest.get_player_privs(name)
+			privs.fly = true
+			minetest.set_player_privs(name, privs)
+		end
+	end,
+})
+
+classroom.register_action("nofly", {
+	title = "NoFly",
+	description = "Revoke fly from players",
+	online_required = false,
+	func = function(runner, players)
+		for _, name in pairs(players) do
+			local privs = minetest.get_player_privs(name)
+			privs.fly = nil
+			minetest.set_player_privs(name, privs)
+		end
+	end,
+})
diff --git a/api.lua b/api.lua
new file mode 100644
index 0000000..38a2ed0
--- /dev/null
+++ b/api.lua
@@ -0,0 +1,73 @@
+local _groups = {}
+local _action_by_name = {}
+
+function classroom.get_students()
+	local students = {}
+	for _, player in pairs(minetest.get_connected_players()) do
+		students[#students + 1] = player:get_player_name()
+	end
+
+	return students
+end
+
+function classroom.get_group_students(name)
+	local group = classroom.get_group(name)
+	if not group then
+		return nil
+	end
+
+	local students = {}
+	for _, student in pairs(group.students) do
+		if minetest.get_player_by_name(group.students) then
+			students[#students + 1] = student
+		end
+	end
+
+	return students
+end
+
+function classroom.get_all_groups()
+	return _groups
+end
+
+function classroom.get_group(name)
+	return _groups[name]
+end
+
+function classroom.create_group(name)
+	if _groups[name] then
+		return nil
+	end
+
+	local group = {
+		name = name,
+		students = {},
+	}
+
+	_groups[name] = group
+
+	return group
+end
+
+function classroom.register_action(name, def)
+	_action_by_name[name] = def
+end
+
+function classroom.get_actions()
+	return _action_by_name
+end
+
+function classroom.get_students_by_selector(selector)
+	if selector == "*" then
+		return classroom.get_students()
+	elseif selector:sub(1, 6) == "group:" then
+		return classroom.get_group_students(selector:sub(7))
+	else
+		return { selector }
+	end
+end
+
+function classroom.run_action(aname, runner, selector, params)
+	local action = _action_by_name[aname]
+	action.func(runner, classroom.get_students_by_selector(selector))
+end
diff --git a/gui.lua b/gui.lua
new file mode 100644
index 0000000..994d973
--- /dev/null
+++ b/gui.lua
@@ -0,0 +1,123 @@
+local infos = {
+	{
+		title = "Shout?",
+		type = "priv",
+		privs = { shout = true },
+	},
+	{
+		title = "Fly?",
+		type = "priv",
+		privs = { fly = true },
+	},
+	{
+		title = "Fast?",
+		type = "priv",
+		privs = { fast = true },
+	},
+}
+
+local function get_group(context)
+	if context and context.groupname then
+		return classroom.get_group_students(context.groupname)
+	else
+		return classroom.get_students()
+	end
+end
+
+sfinv.register_page("edu", {
+	title = "Classroom",
+	get = function(self, player, context)
+		local fs = {
+			"tablecolumns[color;text"
+		}
+
+		context.select_toggle = context.select_toggle or "all"
+
+		for i, col in pairs(infos) do
+			fs[#fs + 1] = ";color;text,align=center"
+			if i == 1 then
+				fs[#fs + 1] = ",padding=2"
+			end
+		end
+
+		fs[#fs + 1] = "]"
+		fs[#fs + 1] = "tabheader[0.3,1.1;group;All,Group 1;1]"
+		fs[#fs + 1] = "table[0,0.8;5,8;kids;,Name"
+		for _, col in pairs(infos) do
+			fs[#fs + 1] = ",," .. col.title
+		end
+
+		for _, student in pairs(get_group(context)) do
+			fs[#fs + 1] = ",,"
+			fs[#fs + 1] = minetest.formspec_escape(student)
+
+			for _, col in pairs(infos) do
+				local color, value
+				if col.type == "priv" then
+					local has_priv = minetest.check_player_privs(student, col.privs)
+					color = has_priv and "green" or "red"
+					value = has_priv and "Yes" or "No"
+				end
+
+				fs[#fs + 1] = ","
+				fs[#fs + 1] = color
+				fs[#fs + 1] = ","
+				fs[#fs + 1] = minetest.formspec_escape(value)
+			end
+		end
+		fs[#fs + 1] = ";2]"
+
+
+		fs[#fs + 1] = "container[5.25,0]"
+
+		local x = 0
+		local y = 0.8
+		for aname, action in pairs(classroom.get_actions()) do
+			fs[#fs + 1] = "button["
+			fs[#fs + 1] = tostring(x)
+			fs[#fs + 1] = ","
+			fs[#fs + 1] = tostring(y)
+			fs[#fs + 1] = ";1,1;action_"
+			fs[#fs + 1] = aname
+			fs[#fs + 1] = ";"
+			fs[#fs + 1] = minetest.formspec_escape(action.title)
+			fs[#fs + 1] = "]"
+
+			fs[#fs + 1] = "tooltip[action_"
+			fs[#fs + 1] = aname
+			fs[#fs + 1] = ";"
+			fs[#fs + 1] = minetest.formspec_escape(action.description)
+			fs[#fs + 1] = "]"
+
+			if x < 1.5 then
+				x = x + 0.9
+			else
+				x = 0
+				y = y + 0.8
+			end
+		end
+		fs[#fs + 1] = "container_end[]"
+
+		return sfinv.make_formspec(player, context, table.concat(fs, ""), false)
+	end,
+	on_player_receive_fields = function(self, player, context, fields)
+		for aname, action in pairs(classroom.get_actions()) do
+			if fields["action_" .. aname] then
+				local selector
+				if context.select_toggle == "all" then
+					selector = "*"
+				elseif context.select_toggle == "group" then
+					selector = "group:" .. context.groupname
+				elseif context.select_toggle == "selected" then
+					error("Unimplemented")
+				else
+					error("Unknown selector")
+				end
+
+				classroom.run_action(aname, player, selector)
+				sfinv.set_player_inventory_formspec(player)
+				return true
+			end
+		end
+	end,
+})
diff --git a/init.lua b/init.lua
new file mode 100644
index 0000000..66406b0
--- /dev/null
+++ b/init.lua
@@ -0,0 +1,5 @@
+classroom = {}
+
+dofile(minetest.get_modpath("classroom") .. "/api.lua")
+dofile(minetest.get_modpath("classroom") .. "/gui.lua")
+dofile(minetest.get_modpath("classroom") .. "/actions.lua")
diff --git a/mod.conf b/mod.conf
new file mode 100644
index 0000000..743193d
--- /dev/null
+++ b/mod.conf
@@ -0,0 +1,3 @@
+name = classroom
+description = Classroom Manager
+optional_depends = sfinv