added energy

mods/classes/skills.lua

@@ -1,5 +1,50 @@
 classes.skills = {}
 classes.skills.all = {}
+classes.skills.energy = {}
+classes.skills.energy_hud = {}
+
+
+minetest.register_on_joinplayer(function(player)
+	if not player then
+		return
+	end
+	classes.skills.energy_hud[player:get_player_name()] = player:hud_add({
+		hud_elem_type = "statbar",
+		position = {x=0.5,y=1.0},
+		size = {x=16, y=16},
+	   	offset = {x=-(32*5), y=-(48*2+32+8)},
+		text = "classes_skills_energy.png",
+		number = 0,
+	})
+	classes.skills.energy[player:get_player_name()] = 40
+end)
+
+function classes.skills.change_energy(player, v)
+	classes.skills.energy[player:get_player_name()] = classes.skills.energy[player:get_player_name()] + v
+	local val = 0
+	if classes.skills.energy[player:get_player_name()] > 39 then
+		val = 0
+	else
+		val = classes.skills.energy[player:get_player_name()]
+	end
+	player:hud_change(classes.skills.energy_hud[player:get_player_name()], "number",val)
+end
+
+local timer = 0
+minetest.register_globalstep(function(dtime)
+	timer = timer + dtime;
+	if timer >=0.5 then
+		for _, player in pairs(minetest.get_connected_players()) do
+			if classes.skills.energy[player:get_player_name()] < 40 then
+				classes.skills.change_energy(player, 1)
+				if classes.skills.energy[player:get_player_name()] > 39 then
+					cmsg.push_message_player(player, "[energy] Your energy is full!")
+				end	
+			end
+		end
+		timer = 0
+	end
+end)
 
 function classes.skills.register_skill(name, def)
 	minetest.register_craftitem("classes:skill_" .. name, {
@@ -10,7 +55,12 @@ function classes.skills.register_skill(name, def)
 			if user == nil then return end
 			if classes.selected[user:get_player_name()] == def.class then	
 				if xp.player_levels[user:get_player_name()] and xp.player_levels[user:get_player_name()] > def.lvl-1 then
-					def.on_use(itemstack, user, pointed_thing)
+					if classes.skills.energy[user:get_player_name()] > def.energy -1 then
+						def.on_use(itemstack, user, pointed_thing)
+						classes.skills.change_energy(user, -def.energy)
+					else
+						cmsg.push_message_player(user, "[WARNING] You dont have enought energy to use this skill!")	
+					end
 				else
 					cmsg.push_message_player(user, "[info] You have to be level "..tostring(def.lvl).. " to use this skill!")	
 				end					
@@ -38,10 +88,11 @@ minetest.register_craftitem("classes:skill_book", {
 table.insert(default.treasure_chest_items, "classes:skill_book")
 
 classes.skills.register_skill("super_jump", {
-	description = "Super Jump\nLevel: 15\nClass: thief\nTime: 7.0\nEffect: gravity = 0.1",
+	description = "Super Jump\nLevel: 15\nClass: thief\nTime: 7.0\nEffect: gravity = 0.1\nEnergy: 10",
 	img = "classes_skills_super_jump.png",
 	class = "thief",
 	lvl = 15,
+	energy = 10,
 	on_use = function(itemstack, user, pointed_thing)
 		user:set_physics_override({
 			gravity = 0.1,
@@ -61,10 +112,11 @@ classes.skills.register_skill("super_jump", {
 })
 
 classes.skills.register_skill("lift", {
-	description = "Lift\nLevel: 25\nClass: thief\nTime: 2.0\nEffect: gravity = -0.5",
-	img = "classes_skills_smooth_fall.png",
+	description = "Lift\nLevel: 25\nClass: thief\nTime: 2.0\nEffect: gravity = -0.5\nEnergy: 20",
+	img = "classes_skills_lift.png",
 	class = "thief",
 	lvl = 25,
+	energy = 20,
 	on_use = function(itemstack, user, pointed_thing)
 		user:set_physics_override({
 			gravity = -0.5,
@@ -84,10 +136,11 @@ classes.skills.register_skill("lift", {
 })
 
 classes.skills.register_skill("heal", {
-	description = "Heal\nLevel: 13\nClass: farmer\nEffect: hp + 4",
+	description = "Heal\nLevel: 13\nClass: farmer\nEffect: hp + 4\nEnergy: 15",
 	img = "classes_skills_heal.png",
 	class = "farmer",
 	lvl = 13,
+	energy = 15,
 	on_use = function(itemstack, user, pointed_thing)
 		user:set_hp(user:get_hp()+4)
 		cmsg.push_message_player(user, "[skill][hp] + 4")