Initial work on door movement

Functions for hoistway door opening/closing are now present and functional, but nothing calls them yet

1 files changed, 151 insertions, 0 deletions

diff --git a/doors.lua b/doors.lua
index ecfbcf6..07c135e 100644
--- a/doors.lua
+++ b/doors.lua
@@ -1,3 +1,7 @@
+celevator.doors = {}
+
+celevator.doors.erefs = {}
+
 minetest.register_node("celevator:hwdoor_fast_glass_bottom",{
 	description = "Glass Hoistway Door (fast, bottom)",
 	tiles = {
@@ -147,3 +151,150 @@ minetest.register_node("celevator:hwdoor_slow_glass_top",{
 		},
 	},
 })
+
+minetest.register_node("celevator:hwdoor_placeholder",{
+	description = "Hoistway Door Open-State Placeholder",
+	tiles = {
+		"celevator_transparent.png",
+	},
+	paramtype = "light",
+	drawtype = "airlike",
+})
+
+minetest.register_entity("celevator:hwdoor_moving",{
+	initial_properties = {
+		visual = "wielditem",
+		visual_size = vector.new(0.667,0.667,0.667),
+		wield_item = "default:dirt",
+		static_save = false,
+	},
+})
+
+function celevator.doors.hwopen(pos)
+	local hwdoors_moving = minetest.deserialize(celevator.storage:get_string("hwdoors_moving")) or {}
+	local hash = minetest.hash_node_position(pos)
+	if hwdoors_moving[hash] then
+		return
+	end
+	local fdir = minetest.fourdir_to_dir(minetest.get_node(pos).param2)
+	local otherpanel = vector.add(pos,vector.rotate_around_axis(fdir,vector.new(0,1,0),-math.pi/2))
+	local positions = {
+		pos,
+		vector.add(pos,vector.new(0,1,0)),
+		vector.add(pos,vector.new(0,2,0)),
+		otherpanel,
+		vector.add(otherpanel,vector.new(0,1,0)),
+		vector.add(otherpanel,vector.new(0,2,0)),
+	}
+	local oldnodes = {}
+	for i,position in ipairs(positions) do
+		oldnodes[i] = minetest.get_node(position)
+	end
+	local erefs = celevator.drives.entity.nodestoentities(positions)
+	hwdoors_moving[hash] = {
+		direction = "open",
+		positions = positions,
+		nodes = oldnodes,
+		time = 0,
+		opendir = vector.rotate_around_axis(fdir,vector.new(0,1,0),-math.pi/2),
+	}
+	celevator.doors.erefs[hash] = erefs
+	celevator.storage:set_string("hwdoors_moving",minetest.serialize(hwdoors_moving))
+	minetest.set_node(pos,{name="celevator:hwdoor_placeholder"})
+	local pmeta = minetest.get_meta(pos)
+	pmeta:set_string("data",minetest.serialize(hwdoors_moving[hash]))
+	pmeta:set_string("state","opening")
+end
+
+function celevator.doors.hwclose(pos)
+	local hwdoors_moving = minetest.deserialize(celevator.storage:get_string("hwdoors_moving")) or {}
+	local hash = minetest.hash_node_position(pos)
+	if hwdoors_moving[hash] then
+		return
+	end
+	local pmeta = minetest.get_meta(pos)
+	local state = pmeta:get_string("state")
+	if state ~= "open" then return end
+	local data = minetest.deserialize(pmeta:get_string("data"))
+	if not data then return end
+	for i=1,6,1 do
+		minetest.set_node(data.positions[i],data.nodes[i])
+	end
+	data.direction = "close"
+	data.time = 0
+	local erefs = celevator.drives.entity.nodestoentities(data.positions,"celevator:hwdoor_moving")
+	local foffset = vector.multiply(data.opendir,2)
+	local soffset = data.opendir
+	for i=1,3,1 do
+		erefs[i]:set_pos(vector.add(erefs[i]:get_pos(),foffset))
+	end
+	for i=4,6,1 do
+		erefs[i]:set_pos(vector.add(erefs[i]:get_pos(),soffset))
+	end
+	celevator.doors.erefs[hash] = erefs
+	hwdoors_moving[hash] = data
+	celevator.storage:set_string("hwdoors_moving",minetest.serialize(hwdoors_moving))
+end
+
+function celevator.doors.step(dtime)
+	local hwdoors_moving = minetest.deserialize(celevator.storage:get_string("hwdoors_moving")) or {}
+	local save = false
+	for hash,data in pairs(hwdoors_moving) do
+		save = true
+		local present = celevator.doors.erefs[hash]
+		if present then
+			for i=1,6,1 do
+				if not celevator.doors.erefs[hash][i]:get_pos() then
+					present = false
+					break
+				end
+			end
+		end
+		if present then
+			if data.direction == "open" then
+				data.time = data.time+dtime
+				local vel = math.sin(data.time)
+				for i=1,3,1 do
+					celevator.doors.erefs[hash][i]:set_velocity(vector.multiply(data.opendir,vel))
+				end
+				for i=4,6,1 do
+					celevator.doors.erefs[hash][i]:set_velocity(vector.multiply(data.opendir,vel/2))
+				end
+				if data.time >= math.pi then
+					for i=1,6,1 do
+						celevator.doors.erefs[hash][i]:remove()
+					end
+					minetest.get_meta(data.positions[1]):set_string("state","open")
+					hwdoors_moving[hash] = nil
+				end
+			elseif data.direction == "close" then
+				data.time = data.time+(0.66*dtime)
+				local vel = math.sin(data.time)
+				for i=1,3,1 do
+					celevator.doors.erefs[hash][i]:set_velocity(vector.multiply(data.opendir,vel*-0.66))
+				end
+				for i=4,6,1 do
+					celevator.doors.erefs[hash][i]:set_velocity(vector.multiply(data.opendir,vel/2*-0.66))
+				end
+				if data.time >= math.pi then
+					for i=1,6,1 do
+						celevator.doors.erefs[hash][i]:set_pos(data.positions[i])
+					end
+					celevator.drives.entity.entitiestonodes(celevator.doors.erefs[hash])
+					hwdoors_moving[hash] = nil
+				end
+			end
+		else
+			for i=1,6,1 do
+				celevator.doors.erefs[hash][i]:remove()
+			end
+			minetest.get_meta(data.positions[1]):set_string("state","open")
+			hwdoors_moving[hash] = nil
+		end
+	end
+	if save then
+		celevator.storage:set_string("hwdoors_moving",minetest.serialize(hwdoors_moving))
+	end
+end
+
+minetest.register_globalstep(celevator.doors.step)