Corrected directory structure.

3d_armor/armor_api.lua

@@ -0,0 +1,142 @@
+
+armor_api = {
+	default_character_skin = "3d_armor_character.png",
+	player_hp = {},
+	wielded_items = {},
+}
+
+armor_api.get_player_skin = function(self, name)
+	local mod_path = minetest.get_modpath("skins")	
+	if mod_path then
+		local skin = skins.skins[name]
+		if skin then
+			if skin ~= skins.default() and skins.get_type(skin) == skins.type.MODEL then
+				return skin..".png"
+			end
+		end
+	end
+	return self.default_character_skin
+end
+
+armor_api.get_wielded_item_texture = function(self, player)
+	if not player then
+		return nil
+	end
+	local stack = player:get_wielded_item()
+	local item = stack:get_name()
+	if not item then
+		return nil
+	end
+	if not minetest.registered_items[item] then
+		return nil
+	end
+	local texture = minetest.registered_items[item].inventory_image
+	if texture == "" then
+		if not minetest.registered_items[item].tiles then
+			return nil	
+		end
+		texture = minetest.registered_items[item].tiles[1]
+	end
+	return texture
+end
+
+armor_api.set_player_armor = function(self, player)
+	if not player then
+		return
+	end
+	local name = player:get_player_name()
+	local texture = "3d_armor_character_bg.png^[combine:64x64:0,32="..self:get_player_skin(name)
+	local player_inv = player:get_inventory()
+	local wielded_item_texture = self:get_wielded_item_texture(player)
+	if wielded_item_texture then
+		texture = texture.."^[combine:64x64:0,0="..wielded_item_texture
+	end
+	local armor = {head, torso, legs, shield}
+	for _,v in ipairs({"head", "torso", "legs"}) do
+		local stack = player_inv:get_stack("armor_"..v, 1)
+		armor[v] = stack:get_definition().groups["armor_"..v] or 0
+		if armor[v] > 0 then
+			item = stack:get_name()
+			texture = texture.."^[combine:64x64:0,32="..item:gsub("%:", "_")..".png"
+		end
+	end
+	local stack = player_inv:get_stack("armor_shield", 1)
+	armor["shield"] = stack:get_definition().groups["armor_shield"] or 0
+	if armor["shield"] > 0 then
+		item = stack:get_name()
+		texture = texture.."^[combine:64x64:16,0="..minetest.registered_items[item].inventory_image
+	end
+	local armor_level = math.floor(
+		(.2*armor["head"]) + 
+		(.3*armor["torso"]) +
+		(.2*armor["legs"]) +
+		(.3*armor["shield"])
+	)
+	local level = (armor_level / 2) + 0.5
+	local fleshy = 3 - (armor_level / 2)
+	local armor_groups = {level=1, fleshy=3, snappy=1, choppy=1}
+	armor_groups.level = level
+	armor_groups.fleshy = fleshy
+	player:set_armor_groups(armor_groups)
+	player:set_properties({
+		visual = "mesh",
+		textures = {texture},
+		visual_size = {x=1, y=1},
+	})
+end
+
+armor_api.update_wielded_item = function(self, player)
+	if not player then
+		return
+	end
+	local name = player:get_player_name()
+	local stack = player:get_wielded_item()
+	local item = stack:get_name()
+	if not item then
+		return
+	end
+	if self.wielded_items[name] then
+		if self.wielded_items[name] == item then
+			return
+		end	
+		self:set_player_armor(player)
+	end
+	self.wielded_items[name] = item
+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 == 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", "shield"}) do
+			local stack = armor_inv:get_stack("armor_"..v, 1)
+			local use = stack:get_definition().groups["armor_use"] or 0
+			local heal = stack:get_definition().groups["armor_heal"] or 0
+			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
+				self:set_player_armor(player)
+			end
+			heal_max = heal_max + heal
+		end
+		if heal_max > math.random(100) then
+			player:set_hp(self.player_hp[name])
+			return
+		end		
+	end
+	self.player_hp[name] = hp
+end
+