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Make sure reverse mapping in netlist_map always includes entries all wires and sinks when there are no sources (fixes netlists not depowering when no power sources present)

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This commit is contained in:
teknomunk 2024-12-07 12:12:15 -06:00
parent e1571db17e
commit b81cf544f8
1 changed files with 20 additions and 13 deletions
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33
mods/ITEMS/REDSTONE/vl_redstone/circuit.lua
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@ -103,18 +103,6 @@ local function compute_netlist_map(netlist, netlist_id, edges)
--core.log(dump{netlist})
local distance_map = {}
-- Create the pos-to-type map
local pos_type = {}
for _,pos in pairs(netlist.sources) do
pos_type[core.hash_node_position(pos)] = "source"
end
for _,pos in pairs(netlist.sinks) do
pos_type[core.hash_node_position(pos)] = "sink"
end
for _,pos in pairs(netlist.wires) do
pos_type[core.hash_node_position(pos)] = "wire"
end
-- Create the source->(wire/sink) distance maps and the forward maps (source->sink and source->wire)
local forward = {
source = {},
@ -128,6 +116,26 @@ local function compute_netlist_map(netlist, netlist_id, edges)
sink = {},
air = {}
}
-- Create the pos-to-type map
local pos_type = {}
for _,pos in pairs(netlist.sources) do
local pos_hash = core.hash_node_position(pos)
pos_type[pos_hash] = "source"
forward.source[pos_hash] = {}
end
for _,pos in pairs(netlist.sinks) do
local pos_hash = core.hash_node_position(pos)
pos_type[pos_hash] = "sink"
reverse.sink[pos_hash] = {}
end
for _,pos in pairs(netlist.wires) do
local pos_hash = core.hash_node_position(pos)
pos_type[pos_hash] = "wire"
reverse.wire[pos_hash] = {}
end
-- Walk edges from sources and build distance map
for _,source_pos in pairs(netlist.sources) do
local source_hash = core.hash_node_position(source_pos)
local map = {}
@ -155,7 +163,6 @@ local function compute_netlist_map(netlist, netlist_id, edges)
-- Reverse map
local rev_map = reverse[p_type][p_hash] or {}
reverse[p_type][p_hash] = rev_map
rev_map[source_hash] = dist
-- Add adjacent nodes to processing queue