api.lua

armor_api = {
    player_hp = {},
}

armor_api.get_armor_textures = function(self, player)
    if not player then
        return
    end
    local name = player:get_player_name()
    local textures = {}
    local player_inv = player:get_inventory()
    for _,v in ipairs({"head", "torso", "legs", "feet"}) do
        local stack = player_inv:get_stack("armor_"..v, 1)
        if stack:get_definition().groups["armor_"..v] then
            local item = stack:get_name()
            textures[v] = item:gsub("%:", "_")..".png"
        end
    end
    return textures
end

armor_api.set_player_armor = function(self, player)
    if not player then
        return
    end
    local name = player:get_player_name()
    local player_inv = player:get_inventory()
    local armor_level = 0
    for _,v in ipairs({"head", "torso", "legs", "feet"}) do
        local stack = player_inv:get_stack("armor_"..v, 1)
        local armor = stack:get_definition().groups["armor_"..v] or 0
        armor_level = armor_level + armor
    end
    local armor_groups = {fleshy=100}
    if armor_level > 0 then
        armor_groups.level = math.floor(armor_level / 20)
        armor_groups.fleshy = 100 - armor_level
    end
    player:set_armor_groups(armor_groups)
    uniskins:update_player_visuals(player)
end

armor_api.update_armor = function(self, player)
    if not player then
        return
    end
    local name = player:get_player_name()
    local hp = player:get_hp()
    if hp == nil or hp == 0 or hp == self.player_hp[name] then
        return
    end
    if self.player_hp[name] > hp then
        local player_inv = player:get_inventory()
        local armor_inv = minetest.get_inventory({type="detached", name=name.."_outfit"})
        if armor_inv == nil then
            return
        end
        local heal_max = 0
        for _,v in ipairs({"head", "torso", "legs", "feet"}) do
            local stack = armor_inv:get_stack("armor_"..v, 1)
            if stack:get_count() > 0 then
                local use = stack:get_definition().groups["armor_use"] or 0
                local heal = stack:get_definition().groups["armor_heal"] or 0
                local item = stack:get_name()
                stack:add_wear(use)
                armor_inv:set_stack("armor_"..v, 1, stack)
                player_inv:set_stack("armor_"..v, 1, stack)
                if stack:get_count() == 0 then
                    local desc = minetest.registered_items[item].description
                    if desc then
                        minetest.chat_send_player(name, "Your "..desc.." got destroyed!")
                    end
                    self:set_player_armor(player)
                end
                heal_max = heal_max + heal
            end
        end
        if heal_max > math.random(100) then
            player:set_hp(self.player_hp[name])
            return
        end
    end
    self.player_hp[name] = hp
end