Genericise handling of multiple meanings of wear

Zefram

2014-04-28 99fd5dfee5a70b0656e40787168d2c67ba417738

 technic/tools/flashlight.lua

@@ -1,149 +1,35 @@
-- original code comes from walkin_light mod by Echo http://minetest.net/forum/viewtopic.php?id=2621
-- Original code comes from walkin_light mod by Echo
-- http://minetest.net/forum/viewtopic.php?id=2621

local flashlight_max_charge = 30000

local S = technic.getter

technic.register_power_tool("technic:flashlight", flashlight_max_charge)

minetest.register_alias("technic:light_off", "air")
      
minetest.register_tool("technic:flashlight", {
   description = S("Flashlight"),
   inventory_image = "technic_flashlight.png",
   stack_max = 1,
   on_use = function(itemstack, user, pointed_thing)
   end,
   wear_represents = "technic_RE_charge",
})

minetest.register_craft({
output = "technic:flashlight",
recipe = {
      {"technic:rubber",                "glass",           "technic:rubber"},
   output = "technic:flashlight",
   recipe = {
      {"technic:rubber",                "default:glass",   "technic:rubber"},
      {"technic:stainless_steel_ingot", "technic:battery", "technic:stainless_steel_ingot"},
      {"",                              "technic:battery", ""}
   }
})

local players = {}

local player_positions = {}
local last_wielded = {}
local was_wielding = {}

function round(num) 
   return math.floor(num + 0.5) 
end

minetest.register_on_joinplayer(function(player)
   local player_name = player:get_player_name()
   table.insert(players, player_name)
   local pos = player:getpos()
   local rounded_pos = {x=round(pos.x),y=round(pos.y)+1,z=round(pos.z)}
   player_positions[player_name] = rounded_pos
end)

minetest.register_on_leaveplayer(function(player)
   local player_name = player:get_player_name()
   for i, v in ipairs(players) do
      if v == player_name then 
         table.remove(players, i)
         last_wielded[player_name] = nil
         -- Neuberechnung des Lichts erzwingen
         local pos = player:getpos()
         local rounded_pos = {x=round(pos.x),y=round(pos.y)+1,z=round(pos.z)}
         local nodename = minetest.get_node(rounded_pos).name
         if nodename == "technic:light_off" or nodename == "technic:light" then
            minetest.remove_node(rounded_pos)
         end
         if player_positions[player_name] then
            player_positions[player_name] = nil
         end
      end
   end
end)

minetest.register_globalstep(function(dtime)
   for i, player_name in ipairs(players) do
      local player = minetest.get_player_by_name(player_name)
      if player then
         flashlight_weared = check_for_flashlight(player)
         local pos = player:getpos()
         local rounded_pos = {x=round(pos.x), y=round(pos.y)+1, z=round(pos.z)}
         local old_pos = vector.new(player_positions[player_name])
			
         if last_wielded[player_name] and not flashlight_weared then --remove light, flashlight weared out or was removed from hotbar
            local node = minetest.get_node_or_nil(old_pos)
            if node and node.name == "technic:light" then 
               minetest.add_node(old_pos,{name="air"})		
               last_wielded[player_name] = false
            end

            player_moved = not(old_pos.x == rounded_pos.x and old_pos.y == rounded_pos.y and old_pos.z == rounded_pos.z)
            if player_moved and last_wielded[player_name] and flashlight_weared  then
					
               local node=minetest.env:get_node_or_nil(rounded_pos)
               if node then
                  if node.name=="air" then 
                     minetest.env:add_node(rounded_pos,{type="node",name="technic:light"})
                  end
               end
               local node=minetest.env:get_node_or_nil(old_pos)
               if node then
                  if node.name=="technic:light" then 
                     minetest.env:add_node(old_pos,{type="node",name="technic:light_off"})
                     minetest.env:add_node(old_pos,{type="node",name="air"})		
                  end
               end
               player_positions[player_name]["x"] = rounded_pos.x
               player_positions[player_name]["y"] = rounded_pos.y
               player_positions[player_name]["z"] = rounded_pos.z
					
            elseif not last_wielded[player_name] and flashlight_weared then
               local node=minetest.env:get_node_or_nil(rounded_pos)
               if node then
                  if node.name=="air" then 
                     minetest.env:add_node(rounded_pos,{type="node",name="technic:light"})
                  end
               end
               player_positions[player_name]["x"] = rounded_pos.x
               player_positions[player_name]["y"] = rounded_pos.y
               player_positions[player_name]["z"] = rounded_pos.z
               last_wielded[player_name]=true
            end			
					
         end
      end
   end
end)

minetest.register_node("technic:light", {
   drawtype = "glasslike",
   tile_images = {"technic_light.png"},
   paramtype = "light",
   walkable = false,
   buildable_to = true,
   is_ground_content = true,
   light_propagates = true,
   sunlight_propagates = true,
   light_source = 15,
   selection_box = {
        type = "fixed",
        fixed = {0, 0, 0, 0, 0, 0},
    },
})
minetest.register_node("technic:light_off", {
   drawtype = "glasslike",
   tile_images = {"technic_light.png"},
   paramtype = "light",
   walkable = false,
   buildable_to = true,
   is_ground_content = true,
   light_propagates = true,
   sunlight_propagates = true,
   selection_box = {
        type = "fixed",
        fixed = {0, 0, 0, 0, 0, 0},
    },
})

function check_for_flashlight(player)
local function check_for_flashlight(player)
   if player == nil then
      return false
   end
@@ -151,14 +37,11 @@
   local hotbar = inv:get_list("main")
   for i = 1, 8 do
      if hotbar[i]:get_name() == "technic:flashlight" then
         local meta = get_item_meta(hotbar[i]:get_metadata())
         if not meta or not meta.charge then
            return false
         end
         if meta.charge - 2 > 0 then
         local meta = minetest.deserialize(hotbar[i]:get_metadata())
         if meta and meta.charge and meta.charge >= 2 then
            meta.charge = meta.charge - 2;
            technic.set_RE_wear(hotbar[i], meta.charge, flashlight_max_charge)
            hotbar[i]:set_metadata(set_item_meta(meta))
            hotbar[i]:set_metadata(minetest.serialize(meta))
            inv:set_stack("main", i, hotbar[i])
            return true
         end
@@ -167,3 +50,67 @@
   return false
end

minetest.register_on_joinplayer(function(player)
   local player_name = player:get_player_name()
   local pos = player:getpos()
   local rounded_pos = vector.round(pos)
   rounded_pos.y = rounded_pos.y + 1
   player_positions[player_name] = rounded_pos
   was_wielding[player_name] = true
end)


minetest.register_on_leaveplayer(function(player)
   local player_name = player:get_player_name()
   local pos = player_positions[player_name]
   local nodename = minetest.get_node(pos).name
   if nodename == "technic:light" then
      minetest.remove_node(pos)
   end
   player_positions[player_name] = nil
end)

minetest.register_globalstep(function(dtime)
   for i, player in pairs(minetest.get_connected_players()) do
      local player_name = player:get_player_name()
      local flashlight_weared = check_for_flashlight(player)
      local pos = player:getpos()
      local rounded_pos = vector.round(pos)
      rounded_pos.y = rounded_pos.y + 1
      local old_pos = player_positions[player_name]
      local player_moved = not vector.equals(old_pos, rounded_pos)

      -- Remove light, flashlight weared out or was removed from hotbar
      if was_wielding[player_name] and not flashlight_weared then
         was_wielding[player_name] = false
         local node = minetest.get_node_or_nil(old_pos)
         if node and node.name == "technic:light" then
            minetest.remove_node(old_pos)
         end
      elseif (player_moved or not was_wielding[player_name]) and flashlight_weared then
         local node = minetest.get_node_or_nil(rounded_pos)
         if node and node.name == "air" then
            minetest.set_node(rounded_pos, {name="technic:light"})
         end
         local node = minetest.get_node_or_nil(old_pos)
         if node and node.name == "technic:light" then
            minetest.remove_node(old_pos)
         end
         player_positions[player_name] = rounded_pos
         was_wielding[player_name] = true
      end
   end
end)

minetest.register_node("technic:light", {
   drawtype = "glasslike",
   tile_images = {"technic_light.png"},
   paramtype = "light",
   groups = {not_in_creative_inventory=1},
   drop = "",
   walkable = false,
   buildable_to = true,
   sunlight_propagates = true,
   light_source = LIGHT_MAX,
   pointable = false,
})