From 0913098a9de262050ccde0bdd221dd1a12d1a785 Mon Sep 17 00:00:00 2001
From: thetaepsilon-gamedev <thetaepsilon-gamedev@noreply.users.github.com>
Date: Thu, 19 Oct 2017 12:28:33 +0100
Subject: pressure logic: add horizontally-rotating directional flowable helper
---
pressure_logic/flowable_node_registry_install.lua | 37 +++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/pressure_logic/flowable_node_registry_install.lua b/pressure_logic/flowable_node_registry_install.lua
index d8f945b..7b14fd3 100644
--- a/pressure_logic/flowable_node_registry_install.lua
+++ b/pressure_logic/flowable_node_registry_install.lua
@@ -66,6 +66,43 @@ register.directional_vertical_fixed = function(nodename, topside)
register.directional(nodename, neighbourfn, directionfn)
end
+-- register a node as a directional flowable whose accepting sides depends upon param2 rotation.
+-- used for entry panels, valves, flow sensors and spigots,
+-- whose facing axis is always upwards and can only rotate horizontally.
+local iseastwest = function(node)
+ local data = node.param2
+ local rotation = data % 4
+ -- rotation 0 and 2 is the same axis, as is 1 and 3.
+ -- 0-3 starts at north and proceeds clockwise.
+ local axis = rotation % 2
+ --pipeworks.logger("iseastwest() rotation="..tostring(rotation).." axis="..tostring(axis))
+ return (axis == 1)
+end
+register.directional_horizonal_rotate = function(nodename)
+ local north = {x= 0,y= 0,z= 1}
+ local south = {x= 0,y= 0,z=-1}
+ local east = {x= 1,y= 0,z= 0}
+ local west = {x=-1,y= 0,z= 0}
+ local neighbourfn = function(node)
+ if iseastwest(node) then
+ return { east, west }
+ else
+ return { north, south }
+ end
+ end
+ local directionfn = function(node, direction)
+ local result = false
+ if iseastwest(node) then
+ --pipeworks.logger("horizontal rotate directionfn() eastwest=true")
+ result = vector.equals(direction, east) or vector.equals(direction, west)
+ else
+ result = vector.equals(direction, north) or vector.equals(direction, south)
+ end
+ return result
+ end
+ register.directional(nodename, neighbourfn, directionfn)
+end
+
local checkbase = function(nodename)
--
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