Add multi-signal doors, basic device deployment, and a target trigger.

mods/artifact_player/init.lua

@@ -16,6 +16,7 @@ Player = setmetatable({
         m.name = p:get_player_name()
         m.meta = p:get_meta()
         m.character = m.meta:get("character") or "key"
+        m.spawn_point = m.meta:get("spawnpoint") or artifact.origin
         
         m.inv = p:get_inventory()
         m.inv:set_stack("main", 1, ItemStack("input_"..m.character))
@@ -125,7 +126,8 @@ Player = setmetatable({
         local pointed_found = nil
         m.pointed_node = nil
         for x in minetest.raycast(m.pos, m.pos +(dir *5)) do
-            if x and x.type == "object" then
+            -- We should ignore all objects when placing a grabbed node.
+            if x and x.type == "object" and not m._grabbed_item then
                 local e = x.ref:get_luaentity()
                 -- Ignore players.
                 if e then
@@ -231,6 +233,34 @@ Player = setmetatable({
             rotation = {vec = vector.new(0,yaw -m.rot,0), interpolation = 0.1, absolute = true}
         })
         
+        -- Handle grabbed devices. This trumps other input handling like the radial menu and on_interact.
+        if m._grabbed_item then
+            m._grabbed_item:move_to(m.pos +(dir *2))
+            
+            if ctl.place and m.pointed_node then
+                m._grabbed_item:move_to(m.pointed_node.above)
+                m._grabbed_item = nil
+                -- This should be set dynamically by whatever function put us into the grabbing
+                -- state, and accordingly should only be valid for the duration of that state.
+                if m._on_ungrab then
+                    m._on_ungrab()
+                    m._on_ungrab = nil
+                end
+            end
+            
+            -- This code is duplicated from the bottom... but since the
+            -- only cleaner alternative is goto, I decided to support PUC Lua.
+            if m.next_regen and time -m.next_regen >= 0 then
+                m.object:set_hp(m.object:get_hp() +1)
+            end
+            
+            m.ctl = ctl
+            m.yaw = yaw
+            m.pitch = pitch
+            m.dir = dir
+            return
+        end
+        
         -- MARK: Progressive interaction
         
         if ctl.place and m.ctl.place and m.pointed_obj and m.pointed_obj.on_interact and not m.pointed_obj._no_interact then
@@ -268,7 +298,7 @@ Player = setmetatable({
         -- MARK: Radial menu handling
         
         -- This should only work once we have Vix, since we can't use it without her.
-        if state >= artifact.story.states.main and ctl.place and not m.ctl.place and wi:get_name():find "artifact:input" and (not m.pointed_obj or m.pointed_obj._no_interact) then
+        if state >= artifact.story.states.main and ctl.place and not m.ctl.place and wi:get_name():find "artifact:input" and (not m.pointed_obj or not m.pointed_obj.on_interact or m.pointed_obj._no_interact) then
             artifact.show_radial_menu(m, {
                 name = "construct",
                 "test",
@@ -277,7 +307,14 @@ Player = setmetatable({
                 "test4",
                 "test5"
             })
-        elseif m._menu and not (ctl.place and wi:get_name():find "artifact:input") or (m.pointed_obj and not m.pointed_obj._no_interact) then
+        elseif m._menu and not (ctl.place and wi:get_name():find "artifact:input") or (m._menu and m.pointed_obj and m.pointed_obj.on_interact and not m.pointed_obj._no_interact) then
+            local sel = m._menu[m._menu.selected]
+            if sel then
+                local choice = sel.item
+                if choice == "test" then
+                    artifact.summon_device(m, "block")
+                end
+            end
             artifact.dismiss_radial_menu(m, "construct")
         elseif m._menu then
             local dx = m.yaw -yaw
@@ -374,12 +411,25 @@ Player = setmetatable({
         p:hud_set_hotbar_image("[combine:"..(21 *slots +1).."x22"..list)
         p:hud_set_hotbar_selected_image("artifact_hotbar_selected_bg.png")
     end,
+    set_spawnpoint = function(m, pos)
+        m.spawn_point = pos
+        m.meta:set_string("spawnpoint", pos:to_string())
+    end
 }, {
     __call = function(_, ...)
         return Player.new(...)
     end
 })
 
+-- Override respawning, so we can save progress.
+minetest.register_on_respawnplayer(function(p)
+    local m = artifact.players[p:get_player_name()]
+    if m.spawn_point then
+        p:set_pos(m.spawn_point)
+        return true
+    end
+end)
+
 -- Mirror the player's HP in our custom HUD.
 -- (We need a custom HUD so that we can change its appearance dynamically.)
 minetest.register_on_player_hpchange(function(p, delta)
@@ -403,8 +453,8 @@ function artifact.register_input(name)
         description = "",
         paramtype = "light",
         drawtype = "mesh",
-        mesh = "artifact_hand.gltf",
-        tiles = {"artifact_"..name..".png"},
+        mesh = name == "key" and "artifact_hand_key.gltf" or "artifact_hand.gltf",
+        tiles = name == "key" and {"artifact_blackrod.png"} or {"artifact_"..name..".png", "artifact_blackrod.png"},
         use_texture_alpha = "opaque",
         visual_scale = 1,
         wield_scale = vector.new(2,2,2),
@@ -423,6 +473,11 @@ function artifact.register_input(name)
         end,
         on_use = function(s, p)
             local m = artifact.players[p:get_player_name()]
+            if m._grabbed_item then return end
+            if m.pointed_obj and m.pointed_obj._grabbable then
+                artifact.grab_device(m, m.pointed_obj)
+                return
+            end
             if m.character == "vix" then
                 artifact.do_shoot(m)
             else
@@ -434,6 +489,11 @@ end
 artifact.register_input "key"
 artifact.register_input "vix"
 
+-- Apparently the hand range is applied very briefly when switching items.
+if not artifact.debug then
+    minetest.override_item("", {range = 0})
+end
+
 
 minetest.register_globalstep(function()
     for _, m in pairs(artifact.players) do