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make gravelsieve ore ratio count reporting easier to read

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flux 2019-08-31 20:49:35 +00:00
parent 342083bf03
commit a80bad678b
1 changed files with 41 additions and 3 deletions
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44
gravelsieve/init.lua
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@ -91,6 +91,41 @@ local function calculate_probability(item)
item.clust_scarcity / (item.clust_num_ores * ((ymax - ymin) / y_spread))
end
local function pairs_by_values(t, f)
if not f then
f = function(a, b) return a < b end
end
local s = {}
for k, v in pairs(t) do
table.insert(s, {k, v})
end
table.sort(s, function(a, b)
return f(a[2], b[2])
end)
local i = 0
return function()
i = i + 1
local v = s[i]
if v then
return unpack(v)
else
return nil
end
end
end
local function parse_drop(drop)
local d, count = drop:match("^%s*(%S+)%s+(%d+)%s*$")
if d and count then
return d, count
end
d, count = drop:match("%s*craft%s+\"?([^%s\"]+)\"?%s+(%d+)%s*")
if d and count then
return d, count
end
return drop, 1
end
-- collect all registered ores and calculate the probability
local function add_ores()
for _,item in pairs(minetest.registered_ores) do
@ -104,7 +139,10 @@ local function add_ores()
and item.clust_scarcity ~= nil and item.clust_scarcity > 0
and item.clust_num_ores ~= nil and item.clust_num_ores > 0
and item.y_max ~= nil and item.y_min ~= nil then
local probability = calculate_probability(item)
local count
drop, count = parse_drop(drop)
local probability = calculate_probability(item) / count
if probability > 0 then
local cur_probability = gravelsieve.ore_probability[drop]
if cur_probability then
@ -118,8 +156,8 @@ local function add_ores()
end
minetest.log("action", "[gravelsieve] ore probabilties:")
local overall_probability = 0.0
for name,probability in pairs(gravelsieve.ore_probability) do
minetest.log("action", ("[gravelsieve] %-32s %.02f"):format(name, probability))
for name,probability in pairs_by_values(gravelsieve.ore_probability) do
minetest.log("action", ("[gravelsieve] %-32s: 1 / %.02f"):format(name, probability))
overall_probability = overall_probability + 1.0/probability
end
minetest.log("action", ("[gravelsieve] Overall probability %f"):format(overall_probability))