Initial upload

.gitignore

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+~*

slimes/init.lua

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+minetest.register_entity("slimes:small",{
+	initial_properties = {
+		hp_max = 4,
+		visual_size = {x = 0.5, y = 0.5, z = 0.5},
+		visual = "cube",
+		textures = {"default_cactus_top.png"},
+		selection_box = {-0.25, -0.25, -0.25, 0.25, 0.25, 0.25},
+	},
+
+	timer = 0,
+	yaw = 0,
+	direction = {},
+	ground_touched = false,
+
+	on_activate = function(self)
+		self.yaw = math.random() * 360
+		self.direction = {x = math.cos(self.yaw), y = 5, z = math.sin(self.yaw)}
+	end,
+
+	on_punch = function(self)
+		self.object:remove()
+	end,
+
+	on_step = function(self, dtime)
+		local pos = self.object:getpos()
+		self.timer = self.timer + dtime
+
+		if self.timer > 4 then
+			if slime_lonely(pos) and not minetest.env:find_node_near(pos, 32, "default:mese") then
+				self.object:remove()
+			end
+			if not ground_touched then
+				self.object:setacceleration({x = 0, y = -1, z = 0})
+			end
+			ground_touched = false
+			self.timer = 0
+			self.yaw = math.random() * 360
+			self.direction = {x = math.cos(self.yaw), y = 5, z = math.sin(self.yaw)}
+		end
+
+		if slime_collides(pos, self.direction, self.initial_properties.visual_size.x) then
+			self.direction = {x = 0, y = 4, z = 0}
+		end
+
+		local nu = minetest.env:get_node({x = pos.x, y = pos.y - self.initial_properties.visual_size.y/1.99, z = pos.z})
+		if nu.name ~= "air" then
+			ground_touched = true
+			self.object:setyaw(self.yaw)
+			self.object:setvelocity(self.direction)
+			self.object:setacceleration({x = 0, y = -9.8, z = 0})
+		end
+	end,
+})
+
+function slime_collides(pos, direction, size)
+	local np = {	x = pos.x + direction.x * size * 2,
+			y = pos.y + 1,
+			z = pos.z + direction.z * size * 2,}
+	local node = minetest.env:get_node(np)
+	if node.name ~= "air" then return true end
+	return false
+end
+
+function slime_lonely (pos)
+	objs = minetest.env:get_objects_inside_radius(pos, 32)
+	for i, obj in pairs(objs) do
+		if obj:is_player() then return false end
+	end
+	return true
+end
+
+minetest.register_abm({
+	nodenames = {"default:dirt_with_grass"},
+	interval = 10.0,
+	chance = 100000,
+	action = function(pos, node)
+		minetest.env:add_entity({x=pos.x, y=pos.y+0.75, z=pos.z}, "slimes:small")
+	end,
+})
+