Syntax change

mods/ENTITIES/mcl_mobs/api/api.lua

@@ -151,7 +151,12 @@ mobs.spawning_mobs = {}
 
 
 
--- register mob entity
+-- This method registers a mob entity, The internal logic of the function is basically
+-- to account for collision boxes and then account for the world difficulty.
+-- After that, the minetest.register_entity method is called.
+-- An object called 'def' is sent to the method, which contains all of
+-- the possible attributes that a mob entity can have.
+
 function mobs:register_mob(name, def)
 
 	local collisionbox = def.collisionbox or {-0.25, -0.25, -0.25, 0.25, 0.25, 0.25}
@@ -174,6 +179,7 @@ function mobs:register_mob(name, def)
 		end
 	end
 
+
 	minetest.register_entity(name, {
 		description = def.description,
 		use_texture_alpha = def.use_texture_alpha,
@@ -243,6 +249,7 @@ function mobs:register_mob(name, def)
 		env_damage_timer = 0,
 		tamed = false,
 		pause_timer = 0,
+		damage_timer = 0, --for determining damage cooldown aka brief immunity
 		gotten = false,
 		reach = def.reach or 3,
 		htimer = 0,
@@ -408,6 +415,7 @@ function mobs:register_mob(name, def)
 
 		on_step  = mobs.mob_step,
 
+	
 		--do_punch = def.do_punch,
 
 		on_punch = mobs.mob_punch,
@@ -430,6 +438,7 @@ function mobs:register_mob(name, def)
 		--harmed_by_heal = def.harmed_by_heal,
 	})
 
+
 	if minetest_get_modpath("doc_identifier") then
 		doc.sub.identifier.register_object(name, "basics", "mobs")
 	end

mods/ENTITIES/mcl_mobs/api/mob_functions/ai.lua

@@ -780,8 +780,26 @@ local function jump_state_execution(self, dtime)
 end
 
 
+--Function that will damage mob if it touch nodes like magma blocks
+function node_hurt(self, dtime, cur_pos)
 
+	--The timer causes an artifical delay or 'cooldown' when mobs are hurt
+	--The timer will count down by subtracting dtime from itself
+	--dtime is the amount of time that has passed between the previous
+	--tick and the current one.
+	self.damage_timer = self.damage_timer - dtime	
 
+	--This gets the coords of the node below the mob
+	cur_pos.y = cur_pos.y - 1
+
+	-- If the block below the mob is a magma block it gets hurt every half a second
+	if minetest.get_node(cur_pos).name == 'mcl_nether:magma' and self.health > 0 and self.damage_timer <= 0 then
+		-- If the mobs hp is greater than zero, it gets hurt.
+		mcl_util.deal_damage(self.object, 1, {type = "hot_floor"})
+		--pause_timer reset to 1
+		self.damage_timer = 1
+	end
+end
 --[[
 ___  ___      _         _                 _
 |  \/  |     (_)       | |               (_)
@@ -794,7 +812,14 @@ ___  ___      _         _                 _
 ]]--
 
 --the main loop
+--this function will be called on every single tick, for each invidivual
+--instance of a mob object
 function mobs.mob_step(self, dtime)
+	--pulls the mob's current position
+	local cur_pos = self.object:get_pos()
+	
+	--checks if the node is on a bad block 
+	node_hurt(self,dtime, cur_pos)
 
 	--do not continue if non-existent
 	if not self or not self.object or not self.object:get_luaentity() then
@@ -831,17 +856,28 @@ function mobs.mob_step(self, dtime)
 	end
 
 	--color modifier which coincides with the pause_timer
+
+	--If self.old_health exists and self.health is less than self.old_health this will run
 	if self.old_health and self.health < self.old_health then
 		self.object:set_texture_mod("^[colorize:red:120")
 		--fix double death sound
 		if self.health > 0 then
 			mobs.play_sound(self,"damage")
 		end
+	
+	--Basically here to make sure there is no way that the mob will get stuck
+	--on the colorized red texture
+	elseif self.health >= 0 then
+		self.object:set_texture_mod("^[colorize:red:0")
 	end
+
+	--Set the old_heath to the new health to make sure on the next loop
+	--iteration things are evaluated correctly
 	self.old_health = self.health
 
 	--do death logic (animation, poof, explosion, etc)
 	if self.health <= 0 or self.dead then
+		self.object:set_texture_mod("^[colorize:red:120")
 		--play death sound once
 		if not self.played_death_sound then
 			self.dead = true

mods/ENTITIES/mcl_mobs/api/mob_functions/environment.lua

@@ -202,7 +202,7 @@ mobs.node_ok = function(pos, fallback)
 end
 
 
---a teleport functoin
+--a teleport function
 mobs.teleport = function(self, target)
 	if self.do_teleport then
 		if self.do_teleport(self, target) == false then
@@ -247,4 +247,4 @@ mobs.calculate_fall_damage = function(self)
 			self.health = self.health - damage
 		end
 	end
-end
+end