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enhance findvolcano, chunk sizes limited to multiples of mapblocks

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This commit is contained in:
FaceDeer 2018-11-08 17:42:40 -07:00
parent b2170d10e2
commit 78172cb38b
1 changed files with 40 additions and 19 deletions
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59
volcanoes.lua
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@ -6,7 +6,8 @@ local radius_vent = 3 -- approximate minimum radius of vent - noise adds a lot t
local radius_lining = 5 -- the difference between this and the vent radius is about how thick the layer of lining nodes is, though noise will affect it
local caldera_min = 5 -- minimum radius of caldera
local caldera_max = 20 -- maximum radius of caldera
local chunk_size = 1000
local chunk_size = nil
local region_mapblocks = 13
local snow_line = 120 -- above this elevation snow is added to the dirt type
local snow_border = 15 -- transitional zone where there's dirt with snow on it
@ -96,13 +97,22 @@ minetest.register_on_generated(function(minp, maxp, seed)
return
end
local sidelen = maxp.x - minp.x + 1 --length of a mapblock
if not chunk_size then -- TODO: just look up map block size from settings
chunk_size = region_mapblocks * sidelen
end
local volcano = get_volcano(minp)
local depth_peak = volcano.depth_peak
local base_radius = (depth_peak - depth_maxwidth) * volcano.slope + radius_lining
local sidelen = maxp.x - minp.x + 1 --length of a mapblock
-- early out if the volcano is too far away to matter
if vector.distance(volcano.location, {x=minp.x+sidelen/2, y=0, z=minp.z+sidelen/2}) > base_radius * 2.5 then
if vector.distance(volcano.location, {x=minp.x, y=0, z=minp.z}) > base_radius + 20 and
vector.distance(volcano.location, {x=maxp.x, y=0, z=minp.z}) > base_radius + 20 and
vector.distance(volcano.location, {x=maxp.x, y=0, z=maxp.z}) > base_radius + 20 and
vector.distance(volcano.location, {x=minp.x, y=0, z=maxp.z}) > base_radius + 20
then
return
end
@ -225,31 +235,42 @@ minetest.register_on_generated(function(minp, maxp, seed)
vm:write_to_map()
end)
minetest.register_privilege("findvolcano", { description = "Allows players to use a console command to find the nearest volcano", give_to_singleplayer = false})
----------------------------------------------------------------------------------------------
-- Debugging and sightseeing commands
minetest.register_privilege("findvolcano", { description = "Allows players to use a console command to find volcanoes", give_to_singleplayer = false})
local send_volcano_state = function(pos, name)
volcano = get_volcano(pos)
text = "Nearest volcano is at " .. minetest.pos_to_string(volcano.location, 0)
.. "\nHeight: " .. tostring(volcano.depth_peak) .. " Slope: " .. tostring(volcano.slope)
.. "\nState: "
if volcano.state < state_extinct then
text = text .. "Extinct"
elseif volcano.state < state_dormant then
text = text .. "Dormant"
else
text = text .. "Active"
end
minetest.chat_send_player(name, text)
end
minetest.register_chatcommand("findvolcano", {
params = "pos", -- Short parameter description
description = "find the volcano in the player's map region, or in the map region containing pos if provided",
func = function(name, param)
if minetest.check_player_privs(name, {findvolcano = true}) then
pos = tonumber(param)
if pos ~= nil then
--TODO
local pos = {}
pos.x, pos.y, pos.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
pos.x = tonumber(pos.x)
pos.y = tonumber(pos.y)
pos.z = tonumber(pos.z)
if pos.x and pos.y and pos.z then
send_volcano_state(pos, name)
return true
else
playerobj = minetest.get_player_by_name(name)
volcano = get_volcano(playerobj:get_pos())
text = "Nearest volcano is at " .. minetest.pos_to_string(volcano.location, 0)
.. "\nHeight: " .. tostring(volcano.depth_peak) .. " Slope: " .. tostring(volcano.slope)
.. "\nState: "
if volcano.state < state_extinct then
text = text .. "Extinct"
elseif volcano.state < state_dormant then
text = text .. "Dormant"
else
text = text .. "Active"
end
minetest.chat_send_player(name, text)
send_volcano_state(playerobj:get_pos(), name)
return true
end
else