Add in CSM WAILA

diff --git a/init.lua b/init.lua
index 7bc309aef9f09d26dbab25e73a0bca9cf3540a42..7922b442cf21cdef110ecd97b8a6afed97d1584f 100644 (file)
--- a/init.lua
+++ b/init.lua
@@ -24,6 +24,7 @@ function initialize_all()
        dofile(path.."/environment_effects.lua")
        dofile(path.."/nether.lua")
        dofile(path.."/aether.lua")
+       dofile(path.."/waila.lua")
 end
 
 --we must delay initialization until the player exists in the world

diff --git a/waila.lua b/waila.lua
new file mode 100644 (file)
index 0000000..44c3da7
--- /dev/null
+++ b/waila.lua
@@ -0,0 +1,65 @@
+local hud_item_name = ""
+
+
+local hud_bg = minetest.localplayer:hud_add({
+                               hud_elem_type = "image", -- see HUD element types, default "text"
+                               position = {x=0.5, y=0},
+                               name = "",    -- default ""
+                               scale = {x=2.25, y=2.25}, -- default {x=0,y=0}
+                               text = "waila.png",    -- default ""
+                               offset = { x = 0, y = 29.25},
+                               z_index = 0,
+                       })
+
+local hud_name = minetest.localplayer:hud_add({
+               name = "hud_name",
+               position = {x=0.5,y=0},
+               hud_elem_type = "text",
+               number = 0xFFFFFF,
+               alignment = 0,
+               offset = { x = 0, y = 17},
+               text = "",
+               z_index = 1,
+       })
+local hud_node = minetest.localplayer:hud_add({
+               name = "hud_node",
+               position = {x=0.5,y=0},
+               hud_elem_type = "text",
+               number = 0xFFFFFF,
+               alignment = 0,
+               offset = { x = 0, y = 36},
+               text = "",
+               z_index = 1,
+       })
+
+
+local function update()
+       if minetest.camera then
+               local pos = minetest.camera:get_pos()
+               local pos2 = vector.add(pos,vector.multiply(minetest.camera:get_look_dir(), 4))
+               local ray = minetest.raycast(pos, pos2, false, false)
+               
+               local pointed_thing = ray:next()
+               if pointed_thing and pointed_thing.under then
+                       local node = minetest.get_node_or_nil(pointed_thing.under).name
+                       if hud_item_name ~= node then
+                               local def = minetest.get_item_def(node)
+                               minetest.localplayer:hud_change(hud_name, "text", def.description)
+                               minetest.localplayer:hud_change(hud_node, "text", node)
+                               minetest.localplayer:hud_change(hud_bg,   "text", "waila.png")
+                               hud_item_name = node
+                       end
+               else
+                       --make hud invisible
+                       minetest.localplayer:hud_change(hud_name, "text", "")
+                       minetest.localplayer:hud_change(hud_node, "text", "")
+                       minetest.localplayer:hud_change(hud_bg,   "text", "")
+                       hud_item_name = ""
+               end
+       end
+       minetest.after(0.01, function()
+               update()
+       end)
+end
+
+update()