add spawn eggs; don't let hopper kill mobs on top

mods/hopper/init.lua

@@ -20,7 +20,7 @@ minetest.register_abm({
 					local p = minetest.deserialize(q)
 					local stack = ItemStack(p.itemstring)
 					local cpos = minetest.find_node_near(pos, 1.5, {"default:chest"})
-					if cpos then
+					if cpos and not stack:is_empty() then
 						local meta = minetest.env:get_meta(cpos)
 						local inv = meta:get_inventory()
 						if inv:room_for_item("main", stack) then

mods/mobs/api.lua

@@ -728,3 +728,23 @@ function mobs:register_arrow(name, def)
 		end
 	})
 end
+
+function mobs:register_egg(mob, desc, img)
+minetest.register_craftitem(mob, {
+	description = "Spawn "..desc,
+	inventory_image = img,
+	on_place = function(itemstack, placer, pointed_thing)
+		local pos = pointed_thing.above
+		if pointed_thing.above and not minetest.is_protected(pos, placer:get_player_name()) then
+			pos.y = pos.y + 0.5
+			minetest.add_entity(pos, mob)
+			if not minetest.setting_getbool("creative_mode") then
+				itemstack:take_item()
+			end
+		end
+		return itemstack
+	end,
+})
+end
+
+

mods/mobs/init.lua

@@ -953,6 +953,16 @@ minetest.register_craft({
 	}
 })
 
+-- spawn eggs
+
+mobs:register_egg("mobs:chicken", "Chicken", "spawn_egg_chicken.png")
+mobs:register_egg("mobs:cow", "Cow", "spawn_egg_cow.png")
+mobs:register_egg("mobs:creeper", "Creeper", "spawn_egg_creeper.png")
+mobs:register_egg("mobs:pig", "Pig", "spawn_egg_pig.png")
+mobs:register_egg("mobs:sheep", "Sheep", "spawn_egg_sheep.png")
+mobs:register_egg("mobs:skeleton", "Skeleton", "spawn_egg_skeleton.png")
+mobs:register_egg("mobs:zombie", "Zombie", "spawn_egg_zombie.png")
+
 if minetest.setting_get("log_mods") then
 	minetest.log("action", "mobs loaded")
 end

mods/ocean/api.lua

@@ -54,12 +54,6 @@ function ocean:register_guardian (name, def)
 				if guardian_lonely(self, pos) and not minetest.env:find_node_near(pos, 24, def.spawn) then
 					self.object:remove()
 				end
-				if pos.y > 2 then
-					self.object:setvelocity({x = 0, y = -5, z = 0})
-				end
-				if pos.y > 6 then
-					self.object:remove()
-				end
 				local objs = minetest.env:get_objects_inside_radius(pos, 24)
 				local ppos = {}
 				local attack_player

mods/ocean/depends.txt

@@ -1,3 +1,5 @@
 default
 sponge
 fishing
+mobs
+

mods/ocean/guardians.lua

@@ -27,5 +27,6 @@ ocean:register_guardian ("ocean:guardian", {
 	spawn = "ocean:prismarine"
 })
 ocean:register_spawn("ocean:guardian", {"default:water_source"},{"ocean:prismarine_bricks","ocean:prismarine"}, 20, 0, 20, 8, 0)
+mobs:register_egg("ocean:guardian", "Guardian", "spawn_egg_guardian.png")
 
 

mods/slimes/depends.txt

@@ -2,4 +2,5 @@ default
 mesecons_materials
 nether
 tnt
+mobs
 

mods/slimes/greenslimes.lua

@@ -94,3 +94,5 @@ slimes:register_spawn("slimes:greenbig", {"default:cobble"},{"default:mossycobbl
 slimes:register_spawn("slimes:greenmedium", {"default:cobble"},{"default:mossycobble"}, 20, 15, 20, 8, 32000)
 slimes:register_spawn("slimes:greensmall", {"default:cobble"},{"default:mossycobble"}, 20, 15, 8, 8, 32000)
 
+mobs:register_egg("slimes:greenbig", "Slime", "spawn_egg_slime.png")
+

mods/slimes/lavaslimes.lua

@@ -85,3 +85,5 @@ slimes:register_spawn("slimes:lavabig", {"nether:rack"},{"air","nether:rack"}, 2
 slimes:register_spawn("slimes:lavamedium", {"nether:rack"},{"air","nether:rack"}, 20, 4, 10000, 8, -5000)
 slimes:register_spawn("slimes:lavasmall", {"nether:rack"},{"air","nether:rack"}, 20, 4, 15000, 8, -5000)
 
+mobs:register_egg("slimes:lavabig", "Magma Cube", "spawn_egg_magma_cube.png")
+