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Burning objects

This commit is contained in:
Lizzy Fleckenstein 2020-12-24 17:48:40 +01:00
parent b017fd7405
commit 7545e29f58
9 changed files with 210 additions and 5 deletions

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@ -0,0 +1,190 @@
mcl_burning = {}
local S = minetest.get_translator("mcl_burning")
function mcl_burning.play_sound(obj, soundname)
minetest.sound_play(soundname, {
object = obj,
gain = 0.18,
max_hear_distance = 32,
})
end
function mcl_burning.get_collisionbox(obj)
local box = obj:get_properties().collisionbox
return vector.new(box[1], box[2], box[3]), vector.new(box[4], box[5], box[6])
end
function mcl_burning.is_touching_nodes(obj, nodes)
local pos = obj:get_pos()
local box = obj:get_properties().collisionbox
local minp, maxp = mcl_burning.get_collisionbox(obj)
local nodes = minetest.find_nodes_in_area(vector.add(pos, minp), vector.add(pos, maxp), nodes)
return #nodes > 0
end
function mcl_burning.create_particlespawner(obj, burn_time, old_burn_time, old_spawner)
local new_spawner
if old_spawner == 0 then
old_spawner = nil
end
local delete_old_spawner = false
if burn_time and (not old_spawner or burn_time >= old_burn_time) then
delete_old_spawner = true
local minp, maxp = mcl_burning.get_collisionbox(obj)
new_spawner = minetest.add_particlespawner({
amount = 1000 * burn_time,
time = burn_time,
minpos = minp,
maxpos = maxp,
minvel = {x = -0.5, y = 1, z = -0.5},
maxvel = {x = 0.5, y = 2, z = -0.5},
minacc = {x = -0.1, y = 8, z = -0.1},
maxacc = {x = 0.1, y = 10, z = 0.1},
minexptime = 0.2,
maxexptime = 0.3,
minsize = 1,
maxsize = 2,
collisiondetection = true,
texture = "fire_basic_flame.png",
attached = obj,
})
elseif not burn_time and old_spawner then
delete_old_spawner = true
end
if delete_old_spawner and old_spawner then
minetest.delete_particlespawner(old_spawner)
old_spawner = nil
end
return new_spawner or old_spawner
end
function mcl_burning.analyse(obj, meta, is_player)
if meta then
return meta, is_player
end
is_player = obj:is_player()
if is_player then
meta = obj:get_meta()
else
meta = obj:get_luaentity()
end
return meta, is_player
end
function mcl_burning.set_burning(obj, burn_time, old_burn_time, meta, is_player)
meta, is_player = mcl_burning.analyse(obj, meta, is_player)
old_burn_time = old_burn_time or mcl_burning.get_burning(obj, meta, is_player)
if burn_time <= 0 then
burn_time = nil
end
if is_player then
if burn_time then
meta:set_float("mcl_burning:burn_time", burn_time)
elseif old_burn_time > 0 then
meta:set_string("mcl_burning:burn_time", "")
mcl_burning.play_sound(obj, "fire_extinguish_flame")
end
local fire_spawner = mcl_burning.create_particlespawner(obj, burn_time, old_burn_time, meta:get_int("mcl_burning:fire_spawner"))
if fire_spawner then
meta:set_int("mcl_burning:fire_spawner", fire_spawner)
else
meta:set_string("mcl_burning:fire_spawner", "")
end
elseif not meta._fire_resistant then
meta._burn_time = burn_time
meta._fire_spawner = mcl_burning.create_particlespawner(obj, burn_time, old_burn_time, meta._fire_spawner)
if not burn_time and old_burn_time > 0 then
mcl_burning.play_sound(obj, "fire_extinguish_flame")
end
end
end
function mcl_burning.get_burning(obj, meta, is_player)
meta, is_player = mcl_burning.analyse(obj, meta, is_player)
if is_player then
return meta:get_float("mcl_burning:burn_time")
else
return meta._burn_time or 0
end
end
function mcl_burning.damage(obj, meta, is_player)
local hp
if is_player then
hp = obj:get_hp()
else
hp = meta.health or 0
end
if hp <= 0 then
return
end
meta, is_player = mcl_burning.analyse(obj, meta, is_player)
local do_damage = true
if is_player then
if mcl_potions.player_has_effect(obj, "fire_resistance") then
do_damage = false
else
local name = obj:get_player_name()
armor.last_damage_types[name] = "fire"
mcl_death_messages.player_damage(obj, S("@1 burned to a crisp.", name))
end
end
if do_damage then
if is_player then
obj:set_hp(hp - 1)
else
meta.health = hp - 1
end
end
end
local etime = 0
function mcl_burning.step(obj, dtime)
local burn_time, old_burn_time, meta, is_player
meta, is_player = mcl_burning.analyse(obj)
old_burn_time = mcl_burning.get_burning(obj, meta, is_player)
burn_time = old_burn_time - dtime
if burn_time < 5 and mcl_burning.is_touching_nodes(obj, {"mcl_fire:fire", "mcl_fire:eternal_fire", "mcl_core:lava_source", "mcl_core:lava_flowing"}) then
burn_time = 5
end
if burn_time > 0 or old_burn_time > 0 then
if mcl_weather.get_weather() == "rain" and mcl_weather.is_outdoor(obj:get_pos()) or mcl_burning.is_touching_nodes(obj, {"mcl_core:water_source", "mcl_core:water_flowing"}) then
burn_time = math.min(burn_time, 0.25)
end
mcl_burning.set_burning(obj, burn_time, old_burn_time, meta, is_player)
end
if burn_time > 0 then
if math.random() < dtime then
mcl_burning.play_sound(obj, "fire_fire")
end
if etime > 1 then
mcl_burning.damage(obj, meta, is_player)
end
end
end
minetest.register_globalstep(function(dtime)
if etime > 1 then
etime = 0
end
etime = etime + dtime
for _, player in ipairs(minetest.get_connected_players()) do
mcl_burning.step(player, dtime)
end
end)
minetest.register_on_respawnplayer(function(player)
mcl_burning.set_burning(player, 0)
end)
minetest.register_chatcommand("burn", {
func = function(name, param)
local player = minetest.get_player_by_name(name)
local burn_time = tonumber(param) or 5
if player then
mcl_burning.set_burning(player, burn_time)
end
end
})

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@ -778,6 +778,7 @@ local check_for_death = function(self, cause, cmi_cause)
if cause == "lava" or cause == "fire" then if cause == "lava" or cause == "fire" then
item_drop(self, true, 0) item_drop(self, true, 0)
else else
local cooked = nil
local looting = 0 local looting = 0
if cause == "hit" then if cause == "hit" then
local puncher = cmi_cause.puncher local puncher = cmi_cause.puncher
@ -785,7 +786,10 @@ local check_for_death = function(self, cause, cmi_cause)
looting = mcl_enchanting.get_enchantment(puncher:get_wielded_item(), "looting") looting = mcl_enchanting.get_enchantment(puncher:get_wielded_item(), "looting")
end end
end end
item_drop(self, nil, looting) if self._burn_time and self._burn_time > 0 then
cooked = true
end
item_drop(self, cooked, looting)
end end
local pos = self.object:get_pos() local pos = self.object:get_pos()
@ -3355,6 +3359,10 @@ end
-- main mob function -- main mob function
local mob_step = function(self, dtime) local mob_step = function(self, dtime)
if not self.fire_resistant then
mcl_burning.step(self.object, dtime)
end
if use_cmi then if use_cmi then
cmi.notify_step(self.object, dtime) cmi.notify_step(self.object, dtime)
end end
@ -3781,6 +3789,7 @@ minetest.register_entity(name, {
suffocation_timer = 0, suffocation_timer = 0,
follow_velocity = def.follow_velocity or 2.4, follow_velocity = def.follow_velocity or 2.4,
instant_death = def.instant_death or false, instant_death = def.instant_death or false,
fire_resistant = def.fire_resistant or false,
-- End of MCL2 extensions -- End of MCL2 extensions
on_spawn = def.on_spawn, on_spawn = def.on_spawn,

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@ -74,6 +74,7 @@ mobs:register_mob("mobs_mc:blaze", {
makes_footstep_sound = false, makes_footstep_sound = false,
fear_height = 0, fear_height = 0,
glow = 14, glow = 14,
fire_resistant = true,
}) })
mobs:spawn_specific("mobs_mc:blaze", mobs_mc.spawn.nether_fortress, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 5000, 3, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max) mobs:spawn_specific("mobs_mc:blaze", mobs_mc.spawn.nether_fortress, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 5000, 3, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max)

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@ -67,7 +67,8 @@ mobs:register_mob("mobs_mc:enderdragon", {
--end --end
end end
minetest.add_item(own_pos, mobs_mc.items.dragon_egg) minetest.add_item(own_pos, mobs_mc.items.dragon_egg)
end end,
fire_resistant = true,
}) })

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@ -62,6 +62,7 @@ mobs:register_mob("mobs_mc:ghast", {
fly = true, fly = true,
makes_footstep_sound = false, makes_footstep_sound = false,
instant_death = true, instant_death = true,
fire_resistant = true,
}) })

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@ -90,6 +90,7 @@ mobs:register_mob("mobs_mc:witherskeleton", {
dogshoot_count_max =0.5, dogshoot_count_max =0.5,
fear_height = 4, fear_height = 4,
harmed_by_heal = true, harmed_by_heal = true,
fire_resistant = true,
}) })
--spawn --spawn

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@ -108,7 +108,8 @@ local slime_big = {
jump_height = 5.2, jump_height = 5.2,
fear_height = 0, fear_height = 0,
spawn_small_alternative = "mobs_mc:slime_small", spawn_small_alternative = "mobs_mc:slime_small",
on_die = spawn_children_on_die("mobs_mc:slime_small", 4, 1.0, 1.5) on_die = spawn_children_on_die("mobs_mc:slime_small", 4, 1.0, 1.5),
fire_resistant = true,
} }
mobs:register_mob("mobs_mc:slime_big", slime_big) mobs:register_mob("mobs_mc:slime_big", slime_big)

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@ -86,6 +86,7 @@ local pigman = {
fear_height = 4, fear_height = 4,
view_range = 16, view_range = 16,
harmed_by_heal = true, harmed_by_heal = true,
fire_resistant = true,
} }
mobs:register_mob("mobs_mc:pigman", pigman) mobs:register_mob("mobs_mc:pigman", pigman)

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@ -540,7 +540,7 @@ minetest.register_on_player_hpchange(function(player, hp_change, reason)
epf = epf + blast_protection_level * 2 epf = epf + blast_protection_level * 2
end end
local fire_protection_level = enchantments.fire_protection or 0 local fire_protection_level = enchantments.fire_protection or 0
if fire_protection_level > 0 and (damage_type == "fireball" or reason.type == "node_damage" and if fire_protection_level > 0 and (damage_type == "burning" or damage_type == "fireball" or reason.type == "node_damage" and
(reason.node == "mcl_fire:fire" or reason.node == "mcl_core:lava_source" or reason.node == "mcl_core:lava_flowing")) then (reason.node == "mcl_fire:fire" or reason.node == "mcl_core:lava_source" or reason.node == "mcl_core:lava_flowing")) then
epf = epf + fire_protection_level * 2 epf = epf + fire_protection_level * 2
end end