added water/fire cube

mods/mobs/init.lua

@@ -26,9 +26,10 @@ function mobs.register_mob(name, def)
 		makes_footstep_sound = false,
 		automatic_rotate = true,
 		speed = 0,
+		anim = "",
 		on_step = function(self, dtime)
 			if math.random(0, 50) == 15 then 
-				self.object:setvelocity({x=math.random(-2, 2), y=-4, z=math.random(-2, 2)})
+				self.object:setvelocity({x=math.random(-2, 2), y=(def.gravity or -9.2), z=math.random(-2, 2)})
 				
 				local all_objects = minetest.get_objects_inside_radius(self.object:getpos(), def.range)
 				local _,obj
@@ -38,6 +39,12 @@ function mobs.register_mob(name, def)
 						obj:punch(self.object, 10, def.dmg, nil) 
 					end
 				end
+				if def.animations then
+					if self.anim ~= "walk" then
+						self.object:set_animation({x=def.animations.walk.x,y=def.animations.walk.y}, 30, 0) 
+						self.anim = "walk"
+					end
+				end
 			end
 		end,
 	})
@@ -50,7 +57,8 @@ function mobs.register_mob(name, def)
 			if pointed_thing.type ~= "node" then
 				return
 			end
-			minetest.add_entity(pointed_thing.above, name)
+			local p = {x=pointed_thing.above.x, y=pointed_thing.above.y+2, z=pointed_thing.above.z}
+			minetest.add_entity(p, name)
 			if not minetest.setting_getbool("creative_mode") then
 				itemstack:take_item()
 			end
@@ -75,3 +83,45 @@ mobs.register_mob("mobs:angry_player", {
 	description = "Angry Player",
 	range = 3,
 })
+
+mobs.register_mob("mobs:fire_cube", {
+	mesh = "mobs_fire_cube.x",
+	textures = {"mobs_fire_cube.png",},
+	lvl = 5,
+	hits = 6,
+	dmg = {
+		full_punch_interval = 0.9,
+		max_drop_level = 0,
+		groupcaps = {
+		},
+		damage_groups = {friendly=4},
+	},
+	collisionbox = {-1, -1, -1, 1, 1, 1},
+	description = "Fire Cube",
+	range = 5,
+	animations = {
+		walk = {x=0, y=30},
+		punch = {x=35, y = 60}
+	},
+})
+
+mobs.register_mob("mobs:water_cube", {
+	mesh = "mobs_fire_cube.x",
+	textures = {"mobs_water_cube.png",},
+	lvl = 10,
+	hits = 6,
+	dmg = {
+		full_punch_interval = 0.9,
+		max_drop_level = 0,
+		groupcaps = {
+		},
+		damage_groups = {friendly=5},
+	},
+	collisionbox = {-1, -1, -1, 1, 1, 1},
+	description = "Water Cube",
+	range = 5,
+	animations = {
+		walk = {x=0, y=30},
+		punch = {x=35, y = 60}
+	},
+})

mods/story/api.lua

@@ -372,7 +372,10 @@ minetest.register_entity("story:human", {
 	end,
 
 	on_step = function(self, dtime)
-		-- nothing
+		self.object:setvelocity({x=0, y=-9.2, z=0})
+		if math.random(50) == 15 then
+			self.object:setyaw(math.random(10))
+		end
 	end,
 })