Add hudbars and hbsprint support

Wearing leather armor increases sprint duration and wearing black
mithril armor increases health bar.

depends.txt

@@ -1,2 +1,4 @@
 3d_armor
 shields
+hudbars?
+hbsprint?

init.lua

@@ -26,6 +26,35 @@ for material, _ in pairs(armor.materials) do
 	end
 end
 
+-- Function to change max stamina if hbsprint is present
+local mod_hbsprint = minetest.get_modpath("hbsprint") ~= nil
+local function change_stamina_max(player, value)
+	if mod_hbsprint then
+		local new_max = value + hb.get_hudtable("stamina").hudstate[player:get_player_name()].max
+		local val = player:get_meta():get_float("hbsprint:stamina")
+		if val > new_max then
+			player:get_meta():set_float("hbsprint:stamina", new_max)
+			hb.change_hudbar(player, "stamina", new_max, new_max)
+		elseif val < new_max then
+			hb.unhide_hudbar(player, "stamina")
+			hb.change_hudbar(player, "stamina", nil, new_max)
+		end
+	end
+end
+
+local mod_hb = minetest.get_modpath("hudbars") ~= nil
+local function change_hp_max(player, value)
+	local hp_max = player:get_properties().hp_max
+	local hp = player:get_hp()
+	local new_max = hp_max + value
+	if hp > new_max then
+		player:set_hp(new_max, {type="set_hp", from="mod"})
+		if mod_hb then
+			hb.change_hudbar(player, "health", new_max, new_max)
+		end
+	end
+	player:set_properties({hp_max = new_max})
+end
 
 -- Reinforced Leather
 minetest.register_craftitem(":3d_armor:reinforcedleather", {
@@ -50,7 +79,13 @@ if armor.materials.reinforcedleather then
 			inventory_image = "3d_armor_inv_helmet_reinforcedleather.png",
 			groups = {armor_head=1, armor_use=40, physics_speed=0.02, physics_gravity=-0.02},
 			armor_groups = {fleshy=6},
-			damage_groups = {cracky=2, snappy=1, choppy=1, level=2}
+			damage_groups = {cracky=2, snappy=1, choppy=1, level=2},
+			on_equip = function(player, index, stack)
+				change_stamina_max(player, 2)
+			end,
+			on_unequip = function(player, index, stack)
+				change_stamina_max(player, -2)
+			end,
 	})
 	
 	-- Register chestplates :
@@ -59,7 +94,14 @@ if armor.materials.reinforcedleather then
 		inventory_image = "3d_armor_inv_chestplate_reinforcedleather.png",
 		groups = {armor_torso = 1, armor_use = 40, physics_speed=0.08, physics_gravity=-0.08},
 		armor_groups = {fleshy=11},
-		damage_groups = {cracky=2, snappy=1, choppy=1, level=2}
+		damage_groups = {cracky=2, snappy=1, choppy=1, level=2},
+		on_equip = function(player, index, stack)
+			change_stamina_max(player, 8)
+		end,
+		on_unequip = function(player, index, stack)
+			change_stamina_max(player, -8)
+		end,
+
 	})
 
 	-- Register leggings :
@@ -68,7 +110,13 @@ if armor.materials.reinforcedleather then
 		inventory_image = "3d_armor_inv_leggings_reinforcedleather.png",
 		groups = {armor_legs = 1, armor_use = 40, physics_speed=0.06, physics_gravity=-0.06},
 		armor_groups = {fleshy=11},
-		damage_groups = {cracky=2, snappy=1, choppy=1, level=2}
+		damage_groups = {cracky=2, snappy=1, choppy=1, level=2},
+		on_equip = function(player, index, stack)
+			change_stamina_max(player, 6)
+		end,
+		on_unequip = function(player, index, stack)
+			change_stamina_max(player, -6)
+		end,
 	})
 
 	-- Register boots :
@@ -77,7 +125,13 @@ if armor.materials.reinforcedleather then
 		inventory_image = "3d_armor_inv_boots_reinforcedleather.png",
 		groups = {armor_feet = 1, armor_use = 40, physics_speed=0.02, physics_gravity=-0.02},
 		armor_groups = {fleshy=6},
-		damage_groups = {cracky=2, snappy=1, choppy=1, level=3}
+		damage_groups = {cracky=2, snappy=1, choppy=1, level=3},
+		on_equip = function(player, index, stack)
+			change_stamina_max(player, 2)
+		end,
+		on_unequip = function(player, index, stack)
+			change_stamina_max(player, -2)
+		end,
 	})
 end
 
@@ -105,7 +159,13 @@ if armor.materials.hardenedleather then
 		inventory_image = "3d_armor_inv_helmet_hardenedleather.png",
 		groups = {armor_head = 1, armor_use = 250, physics_speed=0.01, physics_gravity=-0.01},
 		armor_groups = {fleshy=5},
-		damage_groups = {cracky=2, snappy=3, choppy=2, crumbly=1, level=2}
+		damage_groups = {cracky=2, snappy=3, choppy=2, crumbly=1, level=2},
+		on_equip = function(player, index, stack)
+			change_stamina_max(player, 1)
+		end,
+		on_unequip = function(player, index, stack)
+			change_stamina_max(player, -1)
+		end,
 	})
 
 	-- Register chestplates :
@@ -114,7 +174,13 @@ if armor.materials.hardenedleather then
 		inventory_image = "3d_armor_inv_chestplate_hardenedleather.png",
 		groups = {armor_torso = 1, armor_use = 250, physics_speed=0.04, physics_gravity=-0.04},
 		armor_groups = {fleshy=8},
-		damage_groups = {cracky=2, snappy=3, choppy=2, crumbly=1, level=2}
+		damage_groups = {cracky=2, snappy=3, choppy=2, crumbly=1, level=2},
+		on_equip = function(player, index, stack)
+			change_stamina_max(player, 4)
+		end,
+		on_unequip = function(player, index, stack)
+			change_stamina_max(player, -4)
+		end,
 	})
 
 	-- Register leggings :
@@ -123,7 +189,13 @@ if armor.materials.hardenedleather then
 		inventory_image = "3d_armor_inv_leggings_hardenedleather.png",
 		groups = {armor_legs = 1, armor_use = 250, physics_speed=0.03, physics_gravity=-0.03},
 		armor_groups = {fleshy=8},
-		damage_groups = {cracky=2, snappy=3, choppy=2, crumbly=1, level=2}
+		damage_groups = {cracky=2, snappy=3, choppy=2, crumbly=1, level=2},
+		on_equip = function(player, index, stack)
+			change_stamina_max(player, 3)
+		end,
+		on_unequip = function(player, index, stack)
+			change_stamina_max(player, -3)
+		end,
 	})
 
 	-- Register boots :
@@ -132,7 +204,13 @@ if armor.materials.hardenedleather then
 		inventory_image = "3d_armor_inv_boots_hardenedleather.png",
 		groups = {armor_feet = 1, armor_use = 250, physics_speed=0.01, physics_gravity=-0.01},
 		armor_groups = {fleshy=5},
-		damage_groups = {cracky=2, snappy=3, choppy=2, crumbly=1, level=2}
+		damage_groups = {cracky=2, snappy=3, choppy=2, crumbly=1, level=2},
+		on_equip = function(player, index, stack)
+			change_stamina_max(player, 1)
+		end,
+		on_unequip = function(player, index, stack)
+			change_stamina_max(player, -1)
+		end,
 	})
 end
 
@@ -160,7 +238,13 @@ if armor.materials.blackmithril then
 		inventory_image = "3d_armor_inv_helmet_blackmithril.png",
 		groups = {armor_head = 1, armor_heal = 15, armor_use = 40},
 		armor_groups = {fleshy=16},
-		damage_groups = {cracky=2, snappy=1, level=3}
+		damage_groups = {cracky=2, snappy=1, level=3},
+		on_equip = function(player, index, stack)
+			change_hp_max(player, 1)
+		end,
+		on_unequip = function(player, index, stack)
+			change_hp_max(player, -1)
+		end,
 	})
 
 	-- Register chestplates :
@@ -169,7 +253,13 @@ if armor.materials.blackmithril then
 		inventory_image = "3d_armor_inv_chestplate_blackmithril.png",
 		groups = {armor_torso = 1, armor_heal = 15, armor_use = 40},
 		armor_groups = {fleshy=22},
-		damage_groups = {cracky=2, snappy=1, level=3}
+		damage_groups = {cracky=2, snappy=1, level=3},
+		on_equip = function(player, index, stack)
+			change_hp_max(player, 5)
+		end,
+		on_unequip = function(player, index, stack)
+			change_hp_max(player, -5)
+		end,
 	})
 
 	-- Register leggings :
@@ -178,7 +268,13 @@ if armor.materials.blackmithril then
 		inventory_image = "3d_armor_inv_leggings_blackmithril.png",
 		groups = {armor_legs = 1, armor_heal = 15, armor_use = 40},
 		armor_groups = {fleshy=22},
-		damage_groups = {cracky=2, snappy=1, level=3}
+		damage_groups = {cracky=2, snappy=1, level=3},
+		on_equip = function(player, index, stack)
+			change_hp_max(player, 3)
+		end,
+		on_unequip = function(player, index, stack)
+			change_hp_max(player, -3)
+		end,
 	})
 
 	-- Register boots :
@@ -187,7 +283,13 @@ if armor.materials.blackmithril then
 		inventory_image = "3d_armor_inv_boots_blackmithril.png",
 		groups = {armor_feet = 1, armor_heal = 15, armor_use = 40},
 		armor_groups = {fleshy=16},
-		damage_groups = {cracky=2, snappy=1, level=3}
+		damage_groups = {cracky=2, snappy=1, level=3},
+		on_equip = function(player, index, stack)
+			change_hp_max(player, 1)
+		end,
+		on_unequip = function(player, index, stack)
+			change_hp_max(player, -1)
+		end,
 	})	
 
 	-- Register shield :
@@ -198,7 +300,13 @@ if armor.materials.blackmithril then
 		armor_groups = {fleshy=16},
 		damage_groups = {cracky=2, snappy=1, level=3},
 		reciprocate_damage = true,
-})
+		on_equip = function(player, index, stack)
+			change_hp_max(player, 5)
+		end,
+		on_unequip = function(player, index, stack)
+			change_hp_max(player, -5)
+		end,
+	})
 end
 
 for k, v in pairs(armor.materials) do

mod.conf

@@ -0,0 +1,3 @@
+name = 3d_armor_classes
+depends = 3d_armor,shields
+optional_depends = hudbars,hbsprint