added a wind indicator

airutils_wind.lua

@@ -0,0 +1,193 @@
+local function check_protection(pos, name)
+	if minetest.is_protected(pos, name) then
+		minetest.log("action", name
+			.. " tried to place a Wind Indicator"
+			.. " at protected position "
+			.. minetest.pos_to_string(pos)
+        )
+		minetest.record_protection_violation(pos, name)
+		return true
+	end
+	return false
+end
+
+function airutils.WindDplace(player,pos)
+    if not player then
+        return
+    end
+
+	local dir = minetest.dir_to_facedir(vector.new())
+	local pos1 = vector.new(pos)
+
+    local player_name = player:get_player_name()
+	if check_protection(pos, player_name) then
+		return
+	end
+
+	core.set_node(pos1, {name="airutils:wind", param2=dir})
+	local meta = core.get_meta(pos)
+	meta:set_string("infotext", "Wind Indicator\rOwned by: "..player_name)
+	meta:set_string("owner", player_name)
+	meta:set_string("dont_destroy", "false")
+	return true
+end
+
+airutils.wind_collision_box = {
+	type = "fixed",
+	fixed={{-0.5,0,-0.5,0.5,5.0,0.5},},
+}
+
+airutils.wind_selection_box = {
+	type = "fixed",
+	fixed={{-0.5,0,-0.5,0.5,5.0,0.5},},
+}
+
+local function get_smooth(angle_initial, reference, last_ref, value)
+    local range = reference-last_ref
+    local retVal = (value*angle_initial)/range
+    retval = angle_initial - retVal
+    if retval < 0 then retval = 0 end
+    return retval
+end
+
+minetest.register_entity("airutils:wind_indicator",{
+											-- common props
+	physical = true,
+	stepheight = 0.5,				
+	collide_with_objects = true,
+	collisionbox = {-0.5, 0, -0.5, 0.5, 5.0, 0.5},
+	visual = "mesh",
+	mesh = "airutils_wind.b3d",
+	textures = {"airutils_red.png", "airutils_black.png", "airutils_white.png", "airutils_metal.png"},
+	static_save = true,
+	makes_footstep_sound = false,
+    _pos = nil,
+
+    on_activate = function(self, staticdata, dtime_s)
+        self._pos = self.object:get_pos()
+    end,
+
+	on_step = function(self,dtime,colinfo)
+        self.object:set_pos(self._pos)
+
+        local wind = airutils.get_wind(pos, 2.0)
+        local wind_yaw = minetest.dir_to_yaw(wind)
+        self.object:set_bone_position("ajuste", {x=0,y=42,z=0}, {x=0,y=0,z=90})
+        self.object:set_bone_position("b_a", {x=0,y=0,z=0}, {x=math.deg(wind_yaw),y=0,z=0})
+
+        local false_div = 1 --trying to make it more o minus sensible
+        local vel = ((vector.dot(vector.multiply(wind,dtime),wind))/false_div)*100
+        --minetest.chat_send_all(vel)
+        local b_b = 65
+        if vel > 11 then
+            b_b = get_smooth(65, 11, 0, vel)
+        end
+        self.object:set_bone_position("b_b", {x=0,y=8.25,z=0}, {x=0,y=0,z=-b_b})
+
+        local b_c = 15
+        if vel > 16 then
+            b_c = get_smooth(15, 16, 11, vel)
+        end
+        self.object:set_bone_position("b_c", {x=0,y=6.0,z=0}, {x=0,y=0,z=-b_c})
+
+        local b_d = 5
+        if vel > 22 then
+            b_d = get_smooth(5, 22, 16, vel)
+        end
+        self.object:set_bone_position("b_d", {x=0,y=4.5,z=0}, {x=0,y=0,z=-b_d})
+
+        local b_e = 2
+        if vel > 28 then
+            b_e = get_smooth(2, 28, 22, vel)
+        end
+        self.object:set_bone_position("b_e", {x=0,y=3,z=0}, {x=0,y=0,z=-b_e})
+
+        --minetest.chat_send_all("Wind Direction: "..math.deg(wind_yaw))
+    end,	-- required
+	--on_activate = mobkit.actfunc,		-- required
+	--get_staticdata = mobkit.statfunc,
+	max_hp = 65535,
+	timeout = 0,
+    on_punch=function(self, puncher)
+		return
+	end,
+                                            
+    on_rightclick = function(self, clicker)
+        local wind = airutils.get_wind(pos, 2.0)
+        local wind_yaw = minetest.dir_to_yaw(wind)
+        minetest.chat_send_player(clicker:get_player_name(),core.colorize('#00ff00', " >>> The wind direction now is "..math.deg(wind_yaw)))
+		return
+    end,
+                                            
+})
+
+
+
+-- Wind Indicator node (default left)
+minetest.register_node("airutils:wind",{
+	description = "Wind Direction Indicator",
+	waving = 1,
+	tiles = {"default_tin_block.png","default_tin_block.png","default_tin_block.png","default_tin_block.png","default_tin_block.png","default_tin_block.png"},
+	paramtype = "light",
+	paramtype2 = "leveled",
+	is_ground_content = false,
+	groups = {cracky = 1, level = 2},
+	walkable = true,
+	selection_box = {
+		type = "fixed",
+		fixed = {
+				{-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
+				{-0.1,  0.5, -0.1, 0.1, 2.0, 0.1}
+		}
+	},          
+	
+	node_dig_prediction = "default:dirt",
+	node_placement_prediction = "airutils:wind",
+	
+	on_place = function(itemstack, placer, pointed_thing)
+                                                
+		local pos = pointed_thing.above
+
+			local player_name = placer:get_player_name()
+
+
+			if not minetest.is_protected(pos, player_name) and not minetest.is_protected(pos, player_name) then
+				minetest.set_node(pos, {name = "airutils:wind",param2 = 1 })
+				minetest.add_entity({x=pos.x, y=pos.y, z=pos.z},"airutils:wind_indicator")
+				local meta = minetest.get_meta(pos)
+				if not (creative and creative.is_enabled_for and creative.is_enabled_for(player_name)) then
+					itemstack:take_item()
+				end
+			else
+				minetest.chat_send_player(player_name, "Node is protected")
+				minetest.record_protection_violation(pos, player_name)
+			end
+
+
+		return itemstack
+	end,
+	
+	on_destruct = function(pos)
+		local meta=minetest.get_meta(pos)
+		if meta then
+		    local cpos = {x=pos.x, y= pos.y, z=pos.z}
+		    local object = minetest.get_objects_inside_radius(cpos, 1)
+		    for _,obj in ipairs(object) do
+			    local entity = obj:get_luaentity()
+			    if entity and entity.name == "airutils:wind_indicator" then
+				    obj:remove()
+			    end
+		    end
+		end
+	end,
+})
+
+-- WIND craft
+minetest.register_craft({
+	output = 'airutils:wind',
+	recipe = {
+		{'wool:white', 'wool:white', 'wool:white'},
+		{'wool:white', 'default:steel_ingot' , 'wool:white'},
+		{''             , 'default:steel_ingot' , ''},
+	}
+})

init.lua

@@ -33,6 +33,7 @@ if not minetest.settings:get_bool('airutils.disable_repair') then
     dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "airutils_repair.lua")
 end
 airutils.get_wind = dofile(minetest.get_modpath("airutils") .. DIR_DELIM ..'/wind.lua')
+dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "airutils_wind.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "inventory_management.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "light.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "physics_lib.lua")