From afe8dc8f6e4b6ff478194e9ecd9c56c289beec90 Mon Sep 17 00:00:00 2001
From: Zorman2000 <hector.kio223@gmail.com>
Date: Mon, 27 Mar 2017 20:05:18 -0400
Subject: [PATCH] Places: Detect building entrances (WIP)

---
 actions/places.lua | 30 ++++++++++++++++++++++++++++++
 spawner.lua        | 13 +++++++++++--
 2 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/actions/places.lua b/actions/places.lua
index 89ce5e9..eaae95c 100644
--- a/actions/places.lua
+++ b/actions/places.lua
@@ -131,6 +131,36 @@ function npc.places.find_node_in_area(start_pos, end_pos, type)
   return nodes
 end
 
+-- Specialized function to find doors that are an entrance to a building.
+-- The criteria for an entrance door is the following:
+--   - Node in front and above door is air, or
+--   - Node two nodes from front of door and above door is air and,
+--     - Up to two nodes above is air
+-- This needs to be fine-tuned with more practical scenarios.
+-- The given position is assumed to be the openable node's lower node
+-- (in the case of doors which have two-node heights)
+function npc.places.openable_node_is_entrance(pos)
+  local result = false
+  -- Calculate the first position to check
+  -- Need to get the direction of the openable node
+  local node = minetest.get_node(pos)
+  local x_adj = 0
+  local z_adj = 0
+  if node.param2 then
+    if node.param2 == 0 then
+
+    elseif node.param2 == 1 then
+
+    elseif node.param2 == 2 then
+
+    elseif node.param2 == 3 then
+
+    end
+  end
+  --local first_check_pos = {x=, y=, z=}
+
+end
+
 -- Specialized function to find all sittable nodes supported by the
 -- mod, namely default stairs and cottages' benches. Since not all
 -- stairs nodes placed aren't meant to simulate benches, this function
diff --git a/spawner.lua b/spawner.lua
index 1a871dc..c4f549b 100644
--- a/spawner.lua
+++ b/spawner.lua
@@ -58,8 +58,8 @@ npc.spawner.spawn_delay = 10
 
 npc.spawner.spawn_data = {
  status = {
-    "dead" = 0,
-    "alive" = 1
+    ["dead"] = 0,
+    ["alive"] = 1
   }
 }
 
@@ -109,6 +109,15 @@ end
 -- This function will assign places to every NPC that belongs to a specific
 -- house/building. It will use the resources of the house and give them
 -- until there's no more. Call this function after NPCs are initialized
+-- The basic assumption:
+--   - Use only items that are up to y+3 (first floor of building) for now
+--   - Tell the NPC where the furnaces are
+--   - Assign a unique bed to the NPC
+--   - If there are as many chests as beds, assign one to a NPC
+--     - Else, just let the NPC know one of the chests, but not to be owned
+--   - If there are as many benches as beds, assign one to a NPC
+--     - Else, just let the NPC know one of the benches, but not own them
+--   - Let the NPC know all doors to the house. Identify the front one as the entrance
 function spawner.assign_places(pos, self)
 
 end