Rework melee damage (#878)

mods/pvp/anticoward/init.lua

@@ -38,12 +38,11 @@ ctf.register_on_attack(function(player, hitter,
 
 		potential_cowards[pname].timer = 0
 		potential_cowards[pname].puncher = hname
-		potential_cowards[pname].wielded_item = hitter:get_wielded_item()
 		potential_cowards[pname].toolcaps = tool_capabilities
 	end
 end)
 
-ctf.register_on_killedplayer(function(victim, killer, _, toolcaps)
+ctf.register_on_killedplayer(function(victim, killer, toolcaps)
 	if toolcaps.damage_groups.combat_log or toolcaps.damage_groups.suicide then
 		return
 	end
@@ -72,7 +71,6 @@ function handle_leave_or_die(pname, leave)
 			ctf.registered_on_killedplayer[i](
 				pname,
 				hname,
-				potential_cowards[pname].wielded_item,
 				potential_cowards[pname].toolcaps
 			)
 		end

mods/pvp/kill_assist/init.lua

@@ -69,7 +69,7 @@ function kill_assist.reward_assists(victim, killer, reward)
 	kill_assist.clear_assists(victim)
 end
 
-ctf.register_on_killedplayer(function(victim, killer, _, toolcaps)
+ctf.register_on_killedplayer(function(victim, killer, toolcaps)
 	local reward = ctf_stats.calculateKillReward(victim, killer, toolcaps)
 	reward = math.floor(reward * 100) / 100
 	kill_assist.reward_assists(victim, killer, reward)

mods/pvp/medkits/init.lua

@@ -133,22 +133,21 @@ end)
 
 -- If player takes damage while healing,
 -- stop regen and revert back to original state
-minetest.register_on_player_hpchange(function(player, hp, reason)
+minetest.register_on_player_hpchange(function(player, hp_change, reason)
 	local name = player:get_player_name()
-	if hp < 0 then
+	if hp_change < 0 then
 		if players[name] then
 			player:hud_remove(players[name].hud)
 			players[name] = nil -- Don't use stop_healing(), it uses set_hp() and won't allocate deaths or score properly
 		end
-		if reason and reason.type == "punch" then
+		if reason.type == "punch" then
 			local hitter = reason.object
 			if hitter and players[hitter:get_player_name()] then
 				stop_healing(hitter, "attack")
 			end
 		end
 	end
-	return hp
-end, true)
+end)
 
 minetest.register_on_leaveplayer(function(player)
 	players[player:get_player_name()] = nil