Add some functions to the mode creaton 'API'

mods/main/init.lua

@@ -1,7 +1,7 @@
 main = {
 	current_mode = {},
 	modes = {},
-	playing = {},
+	playing = {}, -- main.playing[playername] = true/false
 	mode_interval = 60 * 5,
 	default_drops = {
 		default = "shooter_guns:ammo",
@@ -36,6 +36,10 @@ function main.register_mode(name, def)
 end
 
 function main.start_mode(name)
+	if vc_info.mode_running and main.current_mode.mode.on_end then
+		local _ = main.current_mode.mode.on_end()
+	end
+
 	vc_info.mode_running = false
 
 	main.current_mode.name = name
@@ -62,6 +66,10 @@ function main.start_mode(name)
 		end
 	end
 
+	if main.modes[name].on_start then
+		local _ = main.modes[name].on_start()
+	end
+
 	main.sethud_all("Current mode: "..main.modes[name].full_name..". Current map: "..mapdef.name, 7)
 
 	vc_info.mode_running = true
@@ -101,20 +109,20 @@ end
 minetest.register_on_joinplayer(function(p)
 	p:set_hp(20, {type = "set_hp"})
 
-	if #minetest.get_connected_players() == 1 then
+	if not vc_info.mode_running then
 		main.start_mode("default")
 	else
 		main.join_player(p)
 	end
 end)
 
-minetest.register_on_respawnplayer(function(p)
+function main.on_respawn(p)
 	if not main.current_mode.playerspawns then return false end
 
 	p:set_pos(main.current_mode.playerspawns[math.random(1, #main.current_mode.playerspawns)])
 
 	return true
-end)
+end
 
 minetest.register_on_player_hpchange(function(_, hp_change, reason)
 	if reason.type == "fall" then

mods/main/modes.lua

@@ -1,3 +1,20 @@
+--[[ All mode settings
+
+main.register_mode("modename", {
+	full_name = "Mode Name", <required>
+	min_players = 1, <required>
+	drops = main.default_drops, <required>
+	starter_items = main.default_starter_items, <required>
+	drop_interval = main.default_drop_interval, <required>
+	on_start = function(), <optional>
+	on_end = function(), <optional>
+	on_step = function(dtime), <optional>
+	on_death = function(player, reason), <optional>
+	on_respawn = function(player), <optional>
+})
+
+]]--
+
 main.register_mode("default", {
 	full_name = "PvP Party",
 	min_players = 1,
@@ -38,3 +55,17 @@ minetest.register_globalstep(function(dtime)
 		vc_info.mode_running = false
 	end
 end)
+
+minetest.register_on_dieplayer(function(player, reason)
+	if main.current_mode.mode.on_death and main.playing[player:get_player_name()] then
+		main.current_mode.mode.on_death(player, reason)
+	end
+end)
+
+minetest.register_on_respawnplayer(function(player)
+	if main.current_mode.mode.on_respawn and main.playing[player:get_player_name()] then
+		main.current_mode.mode.on_respawn(player)
+	end
+
+	main.on_respawn(player)
+end)