From c3627551b091d27819c242da204ed1e9dd8f15f0 Mon Sep 17 00:00:00 2001
From: thetaepsilon-gamedev <thetaepsilon-gamedev@noreply.users.github.com>
Date: Sat, 30 Sep 2017 23:42:26 +0100
Subject: move all current new_flow_logic code to dedicated sub-directory

---
 new_flow_logic.lua | 123 -----------------------------------------------------
 1 file changed, 123 deletions(-)
 delete mode 100644 new_flow_logic.lua

(limited to 'new_flow_logic.lua')

diff --git a/new_flow_logic.lua b/new_flow_logic.lua
deleted file mode 100644
index 7360668..0000000
--- a/new_flow_logic.lua
+++ /dev/null
@@ -1,123 +0,0 @@
--- reimplementation of new_flow_logic branch: processing functions
--- written 2017 by thetaepsilon
-
-
-
-local flowlogic = {}
-pipeworks.flowlogic = flowlogic
-
-
-
--- borrowed from above: might be useable to replace the above coords tables
-local make_coords_offsets = function(pos, include_base)
-	local coords = {
-		{x=pos.x,y=pos.y-1,z=pos.z},
-		{x=pos.x,y=pos.y+1,z=pos.z},
-		{x=pos.x-1,y=pos.y,z=pos.z},
-		{x=pos.x+1,y=pos.y,z=pos.z},
-		{x=pos.x,y=pos.y,z=pos.z-1},
-		{x=pos.x,y=pos.y,z=pos.z+1},
-	}
-	if include_base then table.insert(coords, pos) end
-	return coords
-end
-
-
-
--- local debuglog = function(msg) print("## "..msg) end
-
-
-
--- new version of liquid check
--- accepts a limit parameter to only delete water blocks that the receptacle can accept,
--- and returns it so that the receptacle can update it's pressure values.
--- this should ensure that water blocks aren't vanished from existance.
--- will take care of zero or negative-valued limits.
-local check_for_liquids_v2 = function(pos, limit)
-	if not limit then
-		limit = 6
-	end
-	local coords = make_coords_offsets(pos, false)
-	local total = 0
-	for index, tpos in ipairs(coords) do
-		if total >= limit then break end
-		local name = minetest.get_node(tpos).name
-		if name == "default:water_source" then
-			minetest.remove_node(tpos)
-			total = total + 1
-		end
-	end
-	return total
-end
-flowlogic.check_for_liquids_v2 = check_for_liquids_v2
-
-
-
-local label_pressure = "pipeworks.water_pressure"
-local label_haspressure = "pipeworks.is_pressure_node"
-flowlogic.balance_pressure = function(pos, node)
-	-- debuglog("balance_pressure() "..node.name.." at "..pos.x.." "..pos.y.." "..pos.z)
-	-- check the pressure of all nearby nodes, and average it out.
-	-- for the moment, only balance neighbour nodes if it already has a pressure value.
-	-- XXX: maybe this could be used to add fluid behaviour to other mod's nodes too?
-
-	-- unconditionally include self in nodes to average over
-	local meta = minetest.get_meta(pos)
-	local currentpressure = meta:get_float(label_pressure)
-	meta:set_int(label_haspressure, 1)
-	local connections = { meta }
-	local totalv = currentpressure
-	local totalc = 1
-
-	-- then handle neighbours, but if not a pressure node don't consider them at all
-	for _, npos in ipairs(make_coords_offsets(pos, false)) do
-		local neighbour = minetest.get_meta(npos)
-		local haspressure = (neighbour:get_int(label_haspressure) ~= 0)
-		if haspressure then
-			local n = neighbour:get_float(label_pressure)
-			table.insert(connections, neighbour)
-			totalv = totalv + n
-			totalc = totalc + 1
-		end
-	end
-
-	local average = totalv / totalc
-	for _, targetmeta in ipairs(connections) do
-		targetmeta:set_float(label_pressure, average)
-	end
-end
-
-
-
-flowlogic.run_pump_intake = function(pos, node)
-	-- try to absorb nearby water nodes, but only up to limit.
-	-- NB: check_for_liquids_v2 handles zero or negative from the following subtraction
-
-	local properties = pipeworks.flowables.inputs.list[node.name]
-	local maxpressure = properties.maxpressure
-
-	local meta = minetest.get_meta(pos)
-	local currentpressure = meta:get_float(label_pressure)
-	
-	local intake_limit = maxpressure - currentpressure
-	local actual_intake = check_for_liquids_v2(pos, intake_limit)
-	local newpressure = actual_intake + currentpressure
-	-- debuglog("oldpressure "..currentpressure.." intake_limit "..intake_limit.." actual_intake "..actual_intake.." newpressure "..newpressure)
-	meta:set_float(label_pressure, newpressure)
-end
-
-
-
-flowlogic.run_spigot_output = function(pos, node)
-	-- try to output a water source node if there's enough pressure and space below.
-	local meta = minetest.get_meta(pos)
-	local currentpressure = meta:get_float(label_pressure)
-	if currentpressure > 1 then
-		local below = {x=pos.x, y=pos.y-1, z=pos.z}
-		local name = minetest.get_node(below).name
-		if (name == "air") or (name == "default:water_flowing") then
-			minetest.set_node(below, {name="default:water_source"})
-			meta:set_float(label_pressure, currentpressure - 1)
-		end
-	end
-end
-- 
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