Add initial car motion functionality

Place a machine (no texture yet) above the car somewhere when the car is at the lowest floor, then pair it to the drive with the pairing tool. Not much error checking yet, it'll probably crash if you do anything weird.

1 files changed, 23 insertions, 1 deletions

diff --git a/car.lua b/car.lua
index c89015e..5211ecb 100644
--- a/car.lua
+++ b/car.lua
@@ -314,11 +314,33 @@ local pieces = {
 for _,def in ipairs(pieces) do
 	def.groups = {
 		dig_immediate = 2,
+		_celevator_car = 1,
 	}
+	local xp = tonumber(string.sub(def._position,1,1))
+	local yp = tonumber(string.sub(def._position,2,2))
+	local zp = tonumber(string.sub(def._position,3,3))
+	if xp > 0 then
+		def.groups._connects_xm = 1
+	end
+	if xp < 1 then
+		def.groups._connects_xp = 1
+	end
+	if yp > 0 then
+		def.groups._connects_ym = 1
+	end
+	if yp < 2 then
+		def.groups._connects_yp = 1
+	end
+	if zp > 0 then
+		def.groups._connects_zm = 1
+	end
+	if zp < 2 then
+		def.groups._connects_zp = 1
+	end
 	def.paramtype = "light"
 	def.paramtype2 = "4dir"
 	def.drawtype = "nodebox"
 	def.description = "Car "..def._position
-	def.light_source = minetest.LIGHT_MAX
+	def.light_source = 9
 	minetest.register_node("celevator:car_"..def._position,def)
 end