Add tree monster and fix sliding of standing mobs

api.lua

@@ -222,6 +222,7 @@ function mobs:register_mob(name, def)
 				if math.random(1, 4) == 1 then
 					self.object:setyaw(self.object:getyaw()+((math.random(0,360)-180)/180*math.pi))
 				end
+				self.set_velocity(self, 0)
 				self.set_animation(self, "stand")
 				if math.random(1, 100) <= 50 then
 					self.set_velocity(self, self.walk_velocity)
@@ -231,19 +232,19 @@ function mobs:register_mob(name, def)
 			elseif self.state == "walk" then
 				if math.random(1, 100) <= 30 then
 					self.object:setyaw(self.object:getyaw()+((math.random(0,360)-180)/180*math.pi))
-					self.set_velocity(self, self.get_velocity(self))
-				end
-				self:set_animation("walk")
-				if math.random(1, 100) <= 10 then
-					self.set_velocity(self, 0)
-					self.state = "stand"
-					self:set_animation("stand")
 				end
 				if self.get_velocity(self) <= 0.5 and self.object:getvelocity().y == 0 then
 					local v = self.object:getvelocity()
 					v.y = 5
 					self.object:setvelocity(v)
 				end
+				self:set_animation("walk")
+				self.set_velocity(self, self.walk_velocity)
+				if math.random(1, 100) <= 10 then
+					self.set_velocity(self, 0)
+					self.state = "stand"
+					self:set_animation("stand")
+				end
 			elseif self.state == "attack" and self.attack_type == "dogfight" then
 				if not self.attack.player or not self.attack.player:is_player() then
 					self.state = "stand"

init.lua

@@ -69,7 +69,6 @@ mobs:register_mob("mobs:stone_monster", {
 })
 mobs:register_spawn("mobs:stone_monster", {"default:stone"}, 3, -1, 7000, 3, 0)
 
-
 mobs:register_mob("mobs:sand_monster", {
 	type = "monster",
 	hp_max = 3,
@@ -111,6 +110,51 @@ mobs:register_mob("mobs:sand_monster", {
 })
 mobs:register_spawn("mobs:sand_monster", {"default:desert_sand"}, 20, -1, 7000, 3, 31000)
 
+mobs:register_mob("mobs:tree_monster", {
+	type = "monster",
+	hp_max = 5,
+	collisionbox = {-0.4, -0.01, -0.4, 0.4, 1.9, 0.4},
+	visual = "mesh",
+	mesh = "mobs_tree_monster.x",
+	textures = {"mobs_tree_monster.png"},
+	visual_size = {x=4.5,y=4.5},
+	makes_footstep_sound = true,
+	view_range = 15,
+	walk_velocity = 1,
+	run_velocity = 3,
+	damage = 2,
+	drops = {
+		{name = "default:sapling",
+		chance = 3,
+		min = 1,
+		max = 2,},
+		{name = "default:junglesapling",
+		chance = 3,
+		min = 1,
+		max = 2,},
+	},
+	light_resistant = true,
+	armor = 100,
+	drawtype = "front",
+	water_damage = 1,
+	lava_damage = 5,
+	light_damage = 2,
+	attack_type = "dogfight",
+	animation = {
+		speed_normal = 15,
+		speed_run = 15,
+		stand_start = 0,
+		stand_end = 24,
+		walk_start = 25,
+		walk_end = 47,
+		run_start = 48,
+		run_end = 62,
+		punch_start = 48,
+		punch_end = 62,
+	},
+})
+mobs:register_spawn("mobs:tree_monster", {"default:leaves", "default:jungleleaves"}, 3, -1, 7000, 3, 31000)
+
 mobs:register_mob("mobs:sheep", {
 	type = "animal",
 	hp_max = 5,