Wuzzy/minetest_perlin_explorer_2025
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Validation check in perlin_set_noise command

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Wuzzy 2022-04-20 19:37:31 +02:00
parent f9c206409b
commit 630668f99f
1 changed files with 10 additions and 3 deletions
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13
init.lua
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@ -1,3 +1,6 @@
local S = minetest.get_translator("perlin_explorer")
local F = minetest.formspec_escape
-- If true, the Perlin test nodes will support color
-- (set to false in case of performance problems)
local COLORIZE_NODES = true
@ -74,8 +77,8 @@ local STATISTICS_MAX_SIZE = math.floor((2^32-1)/1000)
-- Used for triggering error message.
local STATISTICS_MAX_SPREAD = math.floor(STATISTICS_MAX_SIZE / STATISTICS_SPREAD_FACTOR)
local S = minetest.get_translator("perlin_explorer")
local F = minetest.formspec_escape
-- Hardcoded message text
local TEXT_ERROR_BAD_WAVELENGTH = S("Bad noise parameters given. At least one of the resulting wavelengths got below 1, which is not allowed. Decrease the octaves or lacunarity, or increase the spread to reach valid wavelengths. Use the “Analyze” feature to see the wavelengths.")
-- Per-player formspec states (mostly for remembering checkbox states)
local formspec_states = {}
@ -942,6 +945,10 @@ minetest.register_chatcommand("perlin_set_noise", {
flags = flags,
}
noiseparams = fix_noiseparams(noiseparams)
local _, _, _, badwaves = analyze_noiseparams(noiseparams)
if badwaves then
return false, TEXT_ERROR_BAD_WAVELENGTH
end
set_perlin_noise(noiseparams)
loaded_areas = {}
return true, S("Active Perlin noise parameters set!")
@ -1518,7 +1525,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
local _, _, _, badwaves = analyze_noiseparams(noiseparams)
if badwaves then
formspec_states[player:get_player_name()].noiseparams = noiseparams
show_error_formspec(player, S("Bad noise parameters given. At least one of the resulting wavelengths got below 1, which is not allowed. Decrease the octaves or lacunarity to reach valid wavelengths. Analyze the noise parameters to see the current wavelengths."), true)
show_error_formspec(player, TEXT_ERROR_BAD_WAVELENGTH)
return
end