Add nil checks when mob is damaged

This commit is contained in:
Wuzzy 2020-03-29 23:24:04 +02:00
parent 02d7f20cc9
commit 600eadedea

View file

@ -547,7 +547,7 @@ local check_for_death = function(self, cause, cmi_cause)
-- has health actually changed?
if self.health == self.old_health and self.health > 0 then
return
return false
end
local damaged = self.health < self.old_health
@ -745,7 +745,7 @@ local do_env_damage = function(self)
-- remove mob if beyond map limits
if not within_limits(pos, 0) then
self.object:remove()
return
return true
end
@ -755,7 +755,9 @@ local do_env_damage = function(self)
effect(pos, 5, "tnt_smoke.png")
if check_for_death(self, "light", {type = "light"}) then return end
if check_for_death(self, "light", {type = "light"}) then
return true
end
end
end
@ -797,7 +799,9 @@ local do_env_damage = function(self)
self.health = self.health - self.rain_damage
if check_for_death(self, "rain", {type = "environment",
pos = pos, node = self.standing_in}) then return end
pos = pos, node = self.standing_in}) then
return true
end
end
end
@ -814,7 +818,9 @@ local do_env_damage = function(self)
effect(pos, 5, "tnt_smoke.png", nil, nil, 1, nil)
if check_for_death(self, "water", {type = "environment",
pos = pos, node = self.standing_in}) then return end
pos = pos, node = self.standing_in}) then
return true
end
end
-- lava damage
@ -828,7 +834,9 @@ local do_env_damage = function(self)
effect(pos, 5, "fire_basic_flame.png", nil, nil, 1, nil)
if check_for_death(self, "lava", {type = "environment",
pos = pos, node = self.standing_in}) then return end
pos = pos, node = self.standing_in}) then
return true
end
end
-- fire damage
@ -842,7 +850,9 @@ local do_env_damage = function(self)
effect(pos, 5, "fire_basic_flame.png", nil, nil, 1, nil)
if check_for_death(self, "fire", {type = "environment",
pos = pos, node = self.standing_in}) then return end
pos = pos, node = self.standing_in}) then
return true
end
end
-- damage_per_second node check
@ -853,7 +863,9 @@ local do_env_damage = function(self)
effect(pos, 5, "tnt_smoke.png")
if check_for_death(self, "dps", {type = "environment",
pos = pos, node = self.standing_in}) then return end
pos = pos, node = self.standing_in}) then
return true
end
end
-- Drowning damage
@ -882,7 +894,9 @@ local do_env_damage = function(self)
self.health = self.health - dmg
end
if check_for_death(self, "drowning", {type = "environment",
pos = pos, node = self.standing_in}) then return end
pos = pos, node = self.standing_in}) then
return true
end
else
self.breath = math.min(self.breath_max, self.breath + 1)
end
@ -902,7 +916,9 @@ local do_env_damage = function(self)
self.health = self.health - 2
if check_for_death(self, "suffocation", {type = "environment",
pos = pos, node = self.standing_in}) then return end
pos = pos, node = self.standing_in}) then
return true
end
end
check_for_death(self, "", {type = "unknown"})
@ -3146,7 +3162,9 @@ local mob_step = function(self, dtime)
self.env_damage_timer = 0
-- check for environmental damage (water, fire, lava etc.)
do_env_damage(self)
if do_env_damage(self) then
return
end
-- node replace check (cow eats grass etc.)
replace(self, pos)