Don't end respawn immunity on hitting team-mates (#404)

mods/ctf/ctf_respawn_immunity/init.lua

@@ -0,0 +1,62 @@
+respawn_immunity = {}
+
+local IMMUNE_TIME = 15
+local immune_serial = 0
+local immune_players = {}
+
+function respawn_immunity.is_immune(player)
+	return immune_players[player:get_player_name()]
+end
+
+function respawn_immunity.set_immune(player)
+	immune_serial = immune_serial + 1
+	immune_players[player:get_player_name()] = immune_serial
+	minetest.after(1, function()
+		respawn_immunity.update_effects(player)
+	end)
+
+	-- Set time out
+	minetest.after(IMMUNE_TIME, function(name, id)
+		if immune_players[name] == id then
+			immune_players[name] = nil
+			respawn_immunity.update_effects(minetest.get_player_by_name(name))
+		end
+	end, player:get_player_name(), immune_serial)
+end
+
+function respawn_immunity.update_effects(player)
+	-- TODO: transparent player when immune
+	--
+	-- if immune_players[player:get_player_name()] then
+	-- 	player:set_texture_mod("[multiply:#1f1")
+	-- else
+	-- 	player:set_texture_mod(nil)
+	-- end
+end
+
+minetest.register_on_punchplayer(function(player, hitter,
+		time_from_last_punch, tool_capabilities, dir, damage)
+	if not player or not hitter then
+		return false
+	end
+
+	local pname = player:get_player_name()
+	local hname = hitter:get_player_name()
+
+	if player and respawn_immunity.is_immune(player) then
+		minetest.chat_send_player(hname, minetest.colorize("FF8C77", pname ..
+				" just respawned or joined, and is immune to attacks!"))
+		return true
+	end
+
+	if hitter and respawn_immunity.is_immune(hitter) and
+			ctf.player(hname).team ~= ctf.player(pname).team then
+		minetest.chat_send_player(hname, minetest.colorize("#FF8C00",
+				"Your immunity has ended because you attacked a player"))
+		immune_players[hname] = nil
+		respawn_immunity.update_effects(hitter)
+	end
+end)
+
+minetest.register_on_joinplayer(respawn_immunity.set_immune)
+minetest.register_on_respawnplayer(respawn_immunity.set_immune)

mods/ctf/ctf_respawn_immunity/mod.conf

@@ -0,0 +1,2 @@
+name = ctf_respawn_immunity
+depends = ctf