Actions: Support for sitting on benches and stairs.

actions/actions.lua

@@ -394,37 +394,23 @@ function npc.actions.use_sittable(self, pos, action)
 
   if action == npc.actions.const.sittable.SIT then
     -- Calculate position depending on bench
-    -- For cottages bench (code taken from Sokomine's cottages mod):
+    minetest.log("Got sit position: "..dump(sit_pos))
-    local p2 = {x=pos.x, y=pos.y, z=pos.z};
+    local sit_pos = npc.actions.nodes.sittable[node.name].get_sit_pos(pos, node.param2)
-    if not( node ) or node.param2 == 0 then
-      p2.z = p2.z+0.3;
-    elseif node.param2 == 1 then
-      p2.x = p2.x+0.3;
-    elseif node.param2 == 2 then
-      p2.z = p2.z-0.3;
-    elseif node.param2 == 3 then
-      p2.x = p2.x-0.3;
-    end
-    -- For stairs (based on the above code):
-    local p2 = {x=pos.x, y=pos.y, z=pos.z};
-    if not( node ) or node.param2 == 0 then
-      p2.z = p2.z-0.2;
-    elseif node.param2 == 1 then
-      p2.x = p2.x-0.2;
-    elseif node.param2 == 2 then
-      p2.z = p2.z+0.2;
-    elseif node.param2 == 3 then
-      p2.x = p2.x+0.2;
-    end
     -- Sit down on bench/chair/stairs
-    npc.add_action(self, npc.actions.sit, {self=self, pos=p2})
+    npc.add_action(self, npc.actions.sit, {self=self, pos=sit_pos, dir=(node.param2 + 2) % 4})
-    -- Rotate to the correct position
-    npc.add_action(self, npc.actions.rotate, {self=self, dir=node.param2 + 2 % 4})
   else
-    -- Walk up from bed
+    -- Find empty areas around chair
-    npc.add_action(self, npc.actions.walk_step, {self=self, dir=param2.param2 + 2 % 4})
+    local dir = node.param2 + 2 % 4
+    local empty_nodes = npc.places.find_node_orthogonally(pos, {"air"}, 0)
+    if empty_nodes ~= nil then
+      -- Get direction to the empty node
+      dir = npc.actions.get_direction(pos, empty_nodes[1].pos)
+    end
+    -- Calculate position to get out of bed
+    local pos_out_of_sittable =
+      {x=empty_nodes[1].pos.x, y=empty_nodes[1].pos.y + 1, z=empty_nodes[1].pos.z}
     -- Stand
-    npc.add_action(self, npc.actions.stand, {self=self})
+    npc.add_action(self, npc.actions.stand, {self=self, pos=pos_out_of_sittable, dir=dir})
   end
 end
 

actions/node_registry.lua

@@ -16,8 +16,9 @@ npc.actions.nodes = {
 ---------------------------------------------------------------------------------------
 -- Beds functionality supported by default
 ---------------------------------------------------------------------------------------
--- Functionality for default beds. Since other mods may be used in the 
+-- Functionality for default beds.
--- same way as the default beds, this one is a global registration
+-- Since other mods may be used in the same way as the default beds, 
+-- this one is a global registration
 npc.actions.nodes.default_bed_registration = {
   get_lay_pos = function(pos, dir)
     return {x = pos.x + dir.x / 2, y = pos.y + 1, z = pos.z + dir.z / 2}
@@ -41,7 +42,44 @@ local cottages_mat_registration = {
 }
 
 ---------------------------------------------------------------------------------------
--- Beds
+-- Sitting functionality supported by default
+---------------------------------------------------------------------------------------
+-- Functionality for allowing the NPC to sit on default stairs and cottages' bench
+local sittable_stair_registration = {
+  get_sit_pos = function(pos, param2)
+    local result = {x=pos.x, y=pos.y+1, z=pos.z};
+    if param2 == 0 then
+      result.z = result.z-0.2;
+    elseif param2 == 1 then
+      result.x = result.x-0.2;
+    elseif param2 == 2 then
+      result.z = result.z+0.2;
+    elseif param2 == 3 then
+      result.x = result.x+0.2;
+    end
+    return result
+  end
+}
+
+local cottages_bench_registration = {
+  get_sit_pos = function(pos, param2)
+    local result = {x=pos.x, y=pos.y+1, z=pos.z};
+    if param2 == 0 then
+      result.z = result.z+0.3;
+    elseif param2 == 1 then
+      result.x = result.x+0.3;
+    elseif param2 == 2 then
+      result.z = result.z-0.3;
+    elseif param2 == 3 then
+      result.x = result.x-0.3;
+    end
+    return result
+  end
+}
+
+
+---------------------------------------------------------------------------------------
+-- Registry of bed nodes
 ---------------------------------------------------------------------------------------
 -- Default beds.
 npc.actions.nodes.beds["beds:bed_bottom"] = npc.actions.nodes.default_bed_registration
@@ -51,3 +89,11 @@ npc.actions.nodes.beds["beds:fancy_bed_bottom"] = npc.actions.nodes.default_bed_
 npc.actions.nodes.beds["cottages:bed_foot"] = cottages_bed_registration
 npc.actions.nodes.beds["cottages:sleeping_mat"] = cottages_mat_registration
 npc.actions.nodes.beds["cottages:straw_mat"] = cottages_mat_registration
+
+---------------------------------------------------------------------------------------
+-- Registry of sittable nodes
+---------------------------------------------------------------------------------------
+-- Normal wooden stairs
+npc.actions.nodes.sittable["stairs:stair_wood"] = sittable_stair_registration
+-- Cottages bench
+npc.actions.nodes.sittable["cottages:bench"] = cottages_bench_registration

npc.lua

@@ -350,7 +350,7 @@ local function npc_spawn(self, pos)
   ent.places_map = {}
 
   -- Temporary initialization of actions for testing
-  local nodes = npc.places.find_node_nearby(ent, {"beds:fancy_bed_bottom"}, 30)
+  local nodes = npc.places.find_node_nearby(ent, {"cottages:bench"}, 30)
   minetest.log("Found nodes: "..dump(nodes))
 
   --local path = pathfinder.find_path(ent.object:getpos(), nodes[1], 20)
@@ -359,12 +359,12 @@ local function npc_spawn(self, pos)
   --npc.add_action(ent, npc.actions.stand, {self = ent})
   --npc.add_action(ent, npc.actions.stand, {self = ent})
   npc.actions.walk_to_pos(ent, nodes[1], {})
-  npc.actions.use_bed(ent, nodes[1], npc.actions.const.beds.LAY)
+  npc.actions.use_sittable(ent, nodes[1], npc.actions.const.sittable.SIT)
-  npc.add_action(ent, npc.actions.lay, {self = ent})
+  npc.add_action(ent, npc.actions.sit, {self = ent})
   -- npc.add_action(ent, npc.actions.lay, {self = ent})
   -- npc.add_action(ent, npc.actions.lay, {self = ent})
   -- npc.add_action(ent, npc.actions.lay, {self = ent})
-  npc.actions.use_bed(ent, nodes[1], npc.actions.const.beds.GET_UP)
+  npc.actions.use_sittable(ent, nodes[1], npc.actions.const.sittable.GET_UP)
 
 
   -- npc.add_action(ent, npc.action.stand, {self = ent})