forked from Kimapr/nodecore-skyblock
89 lines
2.2 KiB
Lua
89 lines
2.2 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local math, minetest, nodecore, pairs, vector
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= math, minetest, nodecore, pairs, vector
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local math_exp, math_random, math_sqrt
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= math.exp, math.random, math.sqrt
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-- LUALOCALS > ---------------------------------------------------------
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local ppos = {}
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local cache = {}
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local function envcheck(player)
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local pname = player:get_player_name()
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if player:get_breath() < 11 then return end
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local pos = player:get_pos()
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local eyeheight = player:get_properties().eye_height or 1.625
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pos.y = pos.y + eyeheight
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local old = ppos[pname] or pos
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ppos[pname] = pos
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local moving = not vector.equals(pos, old)
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local stats = {}
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stats.light = minetest.get_node_light(pos) or 0
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local target = vector.add(pos, {
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x = math_random() * 128 - 64,
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y = math_random() * 128 - 64,
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z = math_random() * 128 - 64
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})
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local hit = minetest.raycast(pos, target, false)()
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hit = hit and hit.under or target
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stats.space = vector.distance(pos, hit)
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local node = minetest.get_node(hit)
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local def = minetest.registered_items[node.name] or {}
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local groups = def.groups or {}
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stats.green = groups.green or 0
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stats.water = groups.water or 0 + stats.green / 5
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local agg = cache[pname]
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if not agg then
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agg = {}
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local raw = player:get_meta():get_string("healthenv")
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if raw and raw ~= "" then
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agg = minetest.deserialize(raw)
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end
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cache[pname] = agg
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end
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for k, v in pairs(stats) do
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agg[k] = ((agg[k] or 0) * 99 + v) / 100
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end
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agg.dirty = (agg.dirty or 0) + 1
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if agg.dirty >= 5 then
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agg.dirty = nil
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player:get_meta():set_string("healthenv",
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minetest.serialize(agg))
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for k, v in pairs(agg) do
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agg[k] = 1 - math_exp(-v)
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end
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local heal = 0.1
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+ (agg.green * agg.green) * 4
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+ (agg.water * agg.water) * 2
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+ (agg.space * agg.space)
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+ (agg.light * agg.light)
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heal = math_sqrt(heal)
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if moving then heal = heal / 2 end
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nodecore.addphealth(player, heal)
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end
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end
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minetest.register_on_dieplayer(function(player)
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player:get_meta():set_string("healthenv", "")
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cache[player:get_player_name()] = nil
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end)
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local function timer()
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minetest.after(0.5, timer)
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for _, p in pairs(minetest.get_connected_players()) do
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if p:get_hp() > 0 then envcheck(p) end
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end
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end
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timer()
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