Overhaul mob collisionboxes and texture mod handling when hurt

mods/mob/api/api_hook.lua

@@ -101,6 +101,7 @@ mob_register.die_in_light = def.die_in_light
 mob_register.die_in_light_level = def.die_in_light_level
 
 mob_register.current_animation = 0
+mob_register.hurt_color_timer = 0
 
 mob_register.mob = true
 
@@ -119,27 +120,19 @@ mob_register.on_step = function(self, dtime)
 		self.custom_function_begin(self,dtime)
 	end
 	
-	--self.collision_detection(self)
+	self.collision_detection(self)
 	self.fall_damage(self)
 	
 	if self.dead == false and self.death_animation_timer == 0 then
-		--self.move(self,dtime)
-		
-		if not self.yaw then self.yaw = 0 end
-		self.yaw = self.yaw + dtime
-		if self.yaw > math.pi then
-			self.yaw = -math.pi
-		end
-		self.object:set_velocity(minetest.yaw_to_dir(self.yaw))
+		self.move(self,dtime)
 		
+		self.manage_hurt_color_timer(self,dtime)
 		self.set_animation(self)
 		
 		if self.look_around then
 			self.look_around(self,dtime)
 		end
 		
-		--print(self.object:get_yaw()-(math.pi/2))
-		
 		self.manage_punch_timer(self,dtime)
 		--self.debug_nametag(self,dtime)
 	else

mods/mob/api/interaction.lua

@@ -107,6 +107,9 @@ mobs.create_interaction_functions = function(def,mob_register)
 		
 		local hp = hp-hurt
 		
+		self.object:set_texture_mod("^[colorize:red:130")
+		self.hurt_color_timer = 0.25
+
 		if (self.punched_timer <= 0 and hp > 1) and not self.dead then
 			if puncher ~= self.object then
 				if self.attacked_hostile then
@@ -169,8 +172,6 @@ mobs.create_interaction_functions = function(def,mob_register)
 				minetest.sound_play("critical", {object=self.object, gain = 0.1, max_hear_distance = 10,pitch = math.random(80,100)/100})
 			end
 			minetest.sound_play(self.die_sound, {object=self.object, gain = 1.0, max_hear_distance = 10,pitch = math.random(80,100)/100})
-			
-			self.object:set_texture_mod("^[colorize:red:130")
 			self.add_sword_wear(self, puncher, time_from_last_punch, tool_capabilities, dir)
 		end
 	end

mods/mob/api/movement.lua

@@ -21,7 +21,7 @@ mobs.create_movement_functions = function(def,mob_register)
 		end
 	end
 
-	local get_group = minetest.get_node_group
+	local get_group = minetest.get_item_group
 	local get_node = minetest.get_node
 	mob_register.hurt_inside = function(self,dtime)
 		if self.hp > 0 and self.hurt_inside_timer <= 0 then

mods/mob/api/timers.lua

@@ -12,7 +12,7 @@ mobs.create_timer_functions = function(def,mob_register)
 	end
 
 	--this controls the hostile state
-	if def.hostile == false then
+	if def.hostile == true or def.attacked_hostile == true then
 		mob_register.manage_hostile_timer = function(self,dtime)
 			if self.hostile_timer > 0 then
 				self.hostile_timer = self.hostile_timer - dtime
@@ -23,15 +23,21 @@ mobs.create_timer_functions = function(def,mob_register)
 		end
 	end
 
+	mob_register.manage_hurt_color_timer = function(self,dtime)
+		if self.hurt_color_timer > 0 then
+			self.hurt_color_timer = self.hurt_color_timer - dtime
+			if self.hurt_color_timer  <= 0 then
+				self.hurt_color_timer = 0
+				self.object:set_texture_mod("")
+			end
+		end
+	end
 
 	mob_register.manage_explode_timer = function(self,dtime)
 		self.tnt_timer = self.tnt_timer - dtime
 		if self.tnt_timer <= 0 and not self.dead then
 			
 			self.object:set_texture_mod("^[colorize:red:130")
-			if self.child then
-				self.child:set_texture_mod("^[colorize:red:130") 
-			end
 			
 			local pos = self.object:get_pos()
 			--direction.y = direction.y + 1

mods/mob/init.lua

@@ -17,7 +17,7 @@ mobs.register_mob(
 	 mobname = "pig",
 	 physical = true,
 	 collide_with_objects = false,
-	 collisionbox = {-0.37, 0, -0.37, 0.37, 0.5, 0.37},
+	 collisionbox = {-0.37, 0, -0.37, 0.37, 0.85, 0.37},
 	 visual = "mesh",
 	 visual_size = {x = 3, y = 3},
 	 mesh = "pig.b3d",
@@ -79,7 +79,7 @@ mobs.register_mob(
 	 mobname = "phyg",
 	 physical = true,
 	 collide_with_objects = false,
-	 collisionbox = {-0.37, 0, -0.37, 0.37, 0.5, 0.37},
+	 collisionbox = {-0.37, 0, -0.37, 0.37, 0.85, 0.37},
 	 visual = "mesh",
 	 visual_size = {x = 3, y = 3},
 	 mesh = "phyg.b3d",
@@ -354,7 +354,7 @@ mobs.register_mob(
 	 mobname = "creeper",
 	 physical = true,
 	 collide_with_objects = false,
-	 collisionbox = {-0.37,0, -0.37, 0.37, 0.5, 0.37},
+	 collisionbox = {-0.37,0, -0.37, 0.37, 1.5, 0.37},
 	 visual = "mesh",
 	 visual_size = {x = 3.2, y = 3.2},
 	 mesh = "creeper.b3d",