From 1d0687556a52891aeadc0e8d9a58e44c53cb826b Mon Sep 17 00:00:00 2001
From: Zefram <zefram@fysh.org>
Date: Fri, 15 Aug 2014 13:25:46 +0200
Subject: [PATCH] Fix music player's sound management
---
technic/machines/switching_station.lua | 153 +++++++++++++++++++++++++++++++++++++++++---------
1 files changed, 124 insertions(+), 29 deletions(-)
diff --git a/technic/machines/switching_station.lua b/technic/machines/switching_station.lua
index f71664b..5517917 100644
--- a/technic/machines/switching_station.lua
+++ b/technic/machines/switching_station.lua
@@ -1,7 +1,10 @@
-- SWITCHING STATION
-- The switching station is the center of all power distribution on an electric network.
--- The station will collect all produced power from producers (PR) and batteries (BA)
--- and distribute it to receivers (RE) and depleted batteries (BA).
+--
+-- The station collects power from sources (PR), distributes it to sinks (RE),
+-- and uses the excess/shortfall to charge and discharge batteries (BA).
+--
+-- For now, all supply and demand values are expressed in kW.
--
-- It works like this:
-- All PR,BA,RE nodes are indexed and tagged with the switching station.
@@ -57,23 +60,9 @@
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("infotext", S("Switching Station"))
+ meta:set_string("active", 1)
end,
})
-
---------------------------------------------------
--- Functions to help the machines on the electrical network
---------------------------------------------------
--- This one provides a timeout for a node in case it was disconnected from the network
--- A node must be touched by the station continuously in order to function
-function technic.switching_station_timeout_count(pos, tier)
- local meta = minetest.get_meta(pos)
- local timeout = meta:get_int(tier.."_EU_timeout")
- if timeout == 0 then
- meta:set_int(tier.."_EU_input", 0)
- else
- meta:set_int(tier.."_EU_timeout", timeout - 1)
- end
-end
--------------------------------------------------
-- Functions to traverse the electrical network
@@ -93,8 +82,15 @@
return true
end
+local load_position = function(pos)
+ if minetest.get_node_or_nil(pos) then return end
+ local vm = VoxelManip()
+ local MinEdge, MaxEdge = vm:read_from_map(pos, pos)
+end
+
-- Generic function to add found connected nodes to the right classification array
-local check_node_subp = function(PR_nodes, RE_nodes, BA_nodes, all_nodes, pos, machines, tier)
+local check_node_subp = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, pos, machines, tier, sw_pos)
+ load_position(pos)
local meta = minetest.get_meta(pos)
local name = minetest.get_node(pos).name
@@ -109,6 +105,12 @@
elseif machines[name] == technic.producer_receiver then
add_new_cable_node(PR_nodes, pos)
add_new_cable_node(RE_nodes, pos)
+ elseif machines[name] == "SPECIAL" and
+ (pos.x ~= sw_pos.x or pos.y ~= sw_pos.y or pos.z ~= sw_pos.z) then
+ -- Another switching station -> disable it
+ add_new_cable_node(SP_nodes, pos)
+ meta:set_int("active", 0)
+ meta:set_string("active_pos", minetest.serialize(sw_pos))
elseif machines[name] == technic.battery then
add_new_cable_node(BA_nodes, pos)
end
@@ -118,7 +120,7 @@
end
-- Traverse a network given a list of machines and a cable type name
-local traverse_network = function(PR_nodes, RE_nodes, BA_nodes, all_nodes, i, machines, tier)
+local traverse_network = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, i, machines, tier, sw_pos)
local pos = all_nodes[i]
local positions = {
{x=pos.x+1, y=pos.y, z=pos.z},
@@ -129,7 +131,7 @@
{x=pos.x, y=pos.y, z=pos.z-1}}
--print("ON")
for i, cur_pos in pairs(positions) do
- check_node_subp(PR_nodes, RE_nodes, BA_nodes, all_nodes, cur_pos, machines, tier)
+ check_node_subp(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, cur_pos, machines, tier, sw_pos)
end
end
@@ -140,25 +142,32 @@
end
end
-local get_network = function(pos1, tier)
+local get_network = function(sw_pos, pos1, tier)
local cached = technic.networks[minetest.hash_node_position(pos1)]
if cached and cached.tier == tier then
touch_nodes(cached.PR_nodes, tier)
touch_nodes(cached.BA_nodes, tier)
touch_nodes(cached.RE_nodes, tier)
+ for _, pos in ipairs(cached.SP_nodes) do
+ local meta = minetest.get_meta(pos)
+ meta:set_int("active", 0)
+ meta:set_string("active_pos", minetest.serialize(sw_pos))
+ end
return cached.PR_nodes, cached.BA_nodes, cached.RE_nodes
end
local i = 1
local PR_nodes = {}
local BA_nodes = {}
local RE_nodes = {}
+ local SP_nodes = {}
local all_nodes = {pos1}
repeat
- traverse_network(PR_nodes, RE_nodes, BA_nodes, all_nodes,
- i, technic.machines[tier], tier)
+ traverse_network(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes,
+ i, technic.machines[tier], tier, sw_pos)
i = i + 1
until all_nodes[i] == nil
- technic.networks[minetest.hash_node_position(pos1)] = {tier = tier, PR_nodes = PR_nodes, RE_nodes = RE_nodes, BA_nodes = BA_nodes}
+ technic.networks[minetest.hash_node_position(pos1)] = {tier = tier, PR_nodes = PR_nodes,
+ RE_nodes = RE_nodes, BA_nodes = BA_nodes, SP_nodes = SP_nodes}
return PR_nodes, BA_nodes, RE_nodes
end
@@ -184,27 +193,76 @@
local RE_nodes
local machine_name = S("Switching Station")
+ if meta:get_int("active") ~= 1 then
+ meta:set_int("active", 1)
+ local active_pos = minetest.deserialize(meta:get_string("active_pos"))
+ if active_pos then
+ local meta1 = minetest.get_meta(active_pos)
+ meta:set_string("infotext", S("%s (Slave)"):format(meta1:get_string("infotext")))
+ end
+ return
+ end
+
-- Which kind of network are we on:
pos1 = {x=pos.x, y=pos.y-1, z=pos.z}
local name = minetest.get_node(pos1).name
local tier = technic.get_cable_tier(name)
if tier then
- PR_nodes, BA_nodes, RE_nodes = get_network(pos1, tier)
+ PR_nodes, BA_nodes, RE_nodes = get_network(pos, pos1, tier)
else
--dprint("Not connected to a network")
meta:set_string("infotext", S("%s Has No Network"):format(machine_name))
return
end
- --dprint("nodes="..table.getn(all_nodes)
- -- .." PR="..table.getn(PR_nodes)
- -- .." BA="..table.getn(BA_nodes)
- -- .." RE="..table.getn(RE_nodes))
+
+ -- Run all the nodes
+ local function run_nodes(list)
+ for _, pos2 in ipairs(list) do
+ load_position(pos2)
+ local node2 = minetest.get_node(pos2)
+ local nodedef
+ if node2 and node2.name then
+ nodedef = minetest.registered_nodes[node2.name]
+ end
+ if nodedef and nodedef.technic_run then
+ nodedef.technic_run(pos2, node2)
+ end
+ end
+ end
+
+ run_nodes(PR_nodes)
+ run_nodes(RE_nodes)
+ run_nodes(BA_nodes)
-- Strings for the meta data
local eu_demand_str = tier.."_EU_demand"
local eu_input_str = tier.."_EU_input"
local eu_supply_str = tier.."_EU_supply"
+
+ -- Distribute charge equally across multiple batteries.
+ local charge_total = 0
+ local battery_count = 0
+
+ for n, pos1 in pairs(BA_nodes) do
+ meta1 = minetest.get_meta(pos1)
+ local charge = meta1:get_int("internal_EU_charge")
+
+ if (meta1:get_int(eu_demand_str) ~= 0) then
+ charge_total = charge_total + charge
+ battery_count = battery_count + 1
+ end
+ end
+
+ local charge_distributed = math.floor(charge_total / battery_count)
+
+ for n, pos1 in pairs(BA_nodes) do
+ meta1 = minetest.get_meta(pos1)
+
+ if (meta1:get_int(eu_demand_str) ~= 0) then
+ meta1:set_int("internal_EU_charge", charge_distributed)
+ end
+ end
-- Get all the power from the PR nodes
local PR_eu_supply = 0 -- Total power
@@ -306,6 +364,43 @@
end,
})
+-- Timeout ABM
+-- Timeout for a node in case it was disconnected from the network
+-- A node must be touched by the station continuously in order to function
+local function switching_station_timeout_count(pos, tier)
+ local meta = minetest.get_meta(pos)
+ local timeout = meta:get_int(tier.."_EU_timeout")
+ if timeout <= 0 then
+ --meta:set_int(tier.."_EU_input", 0) -- Not needed anymore
+ return true
+ else
+ meta:set_int(tier.."_EU_timeout", timeout - 1)
+ return false
+ end
+end
+minetest.register_abm({
+ nodenames = {"group:technic_machine"},
+ interval = 1,
+ chance = 1,
+ action = function(pos, node, active_object_count, active_object_count_wider)
+ for tier, machines in pairs(technic.machines) do
+ if machines[node.name] and switching_station_timeout_count(pos, tier) then
+ local nodedef = minetest.registered_nodes[node.name]
+ if nodedef and nodedef.technic_disabled_machine_name then
+ node.name = nodedef.technic_disabled_machine_name
+ minetest.swap_node(pos, node)
+ elseif nodedef and nodedef.technic_on_disable then
+ nodedef.technic_on_disable(pos, node)
+ end
+ if nodedef then
+ local meta = minetest.get_meta(pos)
+ meta:set_string("infotext", S("%s Has No Network"):format(nodedef.description))
+ end
+ end
+ end
+ end,
+})
+
for tier, machines in pairs(technic.machines) do
-- SPECIAL will not be traversed
technic.register_machine(tier, "technic:switching_station", "SPECIAL")
--
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