Add zombie monsters, spawn in the Nether Forest

- They are very similar to the Dirt Monster, but they are more slower, has more heath, and less armor, they do the same amount of damage and give the same samount of coins
- Remove the Stonemonster in the Nether Forest, remplaced by Zombies

mods/mobs/dirtmonster.lua

@@ -51,7 +51,7 @@ mobs:register_mob("mobs:dirt_monster", {
 		punch_start = 40,		punch_end = 63,
 	},
 })
--- spawn on normal;grey dirt between 0 and 5 light, 1 in 7000 change, 1 dirt monster in area up to 31000 in height
+-- spawn on normal;grey dirt between -1 and 5 light, 1 in 7000 change, 1 dirt monster in area up to 31000 in height
 mobs:register_spawn("mobs:dirt_monster", {"default:dirt_with_grass"}, 5, -1, 9500, 1, 31000)
 -- register spawn egg
 mobs:register_egg("mobs:dirt_monster", "Dirt Monster", "default_dirt.png", 1)

mods/mobs/zombie.lua

@@ -0,0 +1,61 @@
+
+-- Zombie by BlockMen
+
+mobs:register_mob("mobs:zombie", {
+	-- animal, monster, npc, barbarian
+	type = "monster",
+	-- aggressive, deals 6 damage to player when hit
+	passive = false,
+	attack_type = "dogfight",
+	damage = 6,
+	-- health & armor
+	hp_min = 30,
+	hp_max = 40,
+	armor = 100,
+	-- textures and model
+	collisionbox = {-0.4, -0.01, -0.4, 0.4, 1.9, 0.4},
+	visual = "mesh",
+	mesh = "mobs_zombie.x",
+	textures = {
+		{"mobs_zombie.png"},
+	},
+	visual_size = {x=3, y=2.6},
+	blood_texture = "mobs_blood.png",
+	-- sounds
+	makes_footstep_sound = true,
+	sounds = {
+		random = "mobs_zombie",
+		damage = "mobs_zombie_hit",
+		attack = "mobs_zombie_attack",
+		death = "mobs_zombie_death",
+	},
+	-- speed and jump
+	walk_velocity = 1,
+	run_velocity = 3,
+	jump = true,
+	floats = 0,
+	view_range = 10,
+-- drops dirt and coins when dead
+	drops = {
+		{name = "maptools:copper_coin",
+		chance = 2, min = 2, max = 8,},
+	},
+	-- damaged by
+	water_damage = 1,
+	lava_damage = 5,
+	light_damage = 2,
+	-- model animation
+	animation = {
+		speed_normal = 10,		speed_run = 15,
+		stand_start = 0,		stand_end = 79,
+		walk_start = 168,		walk_end = 188,
+		run_start = 168,		run_end = 188,
+--		punch_start = 168,		punch_end = 188,
+	},
+})
+
+-- spawn in nether forest between -1 and 5 light, 1 in 6000 change, 1 zombie in area up to 31000 in height
+mobs:register_spawn("mobs:zombie", {"nether:dirt_top"}, 5, -1, 6000, 1, 31000)
+-- register spawn egg
+mobs:register_egg("mobs:zombie", "Zombie", "mobs_zombie_head.png", 1)
+