Added planned_things file

planned_things/effects.lua

@@ -0,0 +1,47 @@
+--EFFECTS--
+function medicine.register_effect_type(effect_type_id, description, icon, groups, apply, cancel, hidden, cancel_on_death, repeat_interval)
+	local effect_type = {}
+	effect_type.description = description
+	effect_type.apply = apply
+	effect_type.groups = groups
+	effect_type.icon = icon
+	if cancel ~= nil then
+		effect_type.cancel = cancel
+	else
+		effect_type.cancel = function() end
+	end
+	if hidden ~= nil then
+		effect_type.hidden = hidden
+	else
+		effect_type.hidden = false
+	end
+	if cancel_on_death ~= nil then
+		effect_type.cancel_on_death = cancel_on_death 
+	else
+		effect_type.cancel_on_death = true
+	end
+	effect_type.repeat_interval = repeat_interval
+
+	playereffects.effect_types[effect_type_id] = effect_type
+	minetest.log("action", "[medicine] Effect type "..effect_type_id.." registered!")
+end
+
+medicine.register_effect_type("poisoning", "Poisoning", nil, {},
+	function(player)
+		local hudid = player:hud_add({
+			hud_elem_type = "image",
+			position = { x=0.5, y=0.5 },
+			scale = { x=-100, y=-100 },
+			text = "poisonous_heart.png",
+		})
+		if(hudid ~= nil) then
+			return { hudid = hudid }
+		else
+			minetest.log("error", "[medicine] [examples] The effect \"Poisoning\" could not be applied. The call to hud_add(...) failed.")
+			return false
+		end
+	end,
+	function(effect, player)
+		player:hud_remove(effect.metadata.hudid)
+	end
+)

planned_things/medicine_cube.lua

@@ -0,0 +1,133 @@
+SLIME_SIZE = 0.5
+SLIME_BOX = math.sqrt(2*math.pow(SLIME_SIZE, 2))/2
+GRAVITY = 9.8
+
+minetest.register_entity("medicine:small",{
+	initial_properties = {
+		hp_max = 15,
+		visual_size = {x = SLIME_SIZE, y = SLIME_SIZE, z = SLIME_SIZE},
+		visual = "cube",
+		textures = {
+			"medicine_cube_top.png",
+			"medicine_cube_bottom.png",
+			"medicine_cube_front.png",
+			"medicine_cube_side1.png",
+			"medicine_cube_side2.png",
+			"medicine_cube_back.png",
+		},
+		collisionbox = {-SLIME_BOX, -SLIME_SIZE/2, -SLIME_BOX, SLIME_BOX, SLIME_SIZE/2, SLIME_BOX},
+		physical = true,
+	},
+
+	timer = 100000,
+	timer2 = 100000,
+	timer3 = 100000, --regularly check if slime touches ground and possibly set x/z velocity/acceleration to 0
+	yaw = 0,
+	direction = {},
+	status = 2, --1 = jump, 2 = rotate
+	attracts_slime = true,
+	found_friend = false,
+
+	on_activate = function(self)
+		self.object:setacceleration({x = 0, y = -GRAVITY, z = 0})
+	end,
+
+	on_rightclick = function(self)
+		if self.object:get_hp() <= 0 then
+			minetest.env:add_item(self.object:getpos(), "medicine:filling_syringe", "medicine:cotton_wool", "medicine:alcohol", "medicine:plaster")
+		end
+	end,
+        
+	on_step = function(self, dtime)
+		self.timer2 = self.timer2 + dtime
+		if self.status == 2 and (self.timer2 >= 0.5) then
+			self.timer2 = 1.2
+			self.status = 1
+
+			local pos = self.object:getpos()
+			if slime_lonely(pos) and not minetest.env:find_node_near(pos, 16, "farming:apple") then
+				self.object:remove()
+			end
+			self.yaw = slime_getyaw(pos)
+			if self.yaw == false then
+				self.yaw = math.random() * 360
+				self.found_friend = false
+			else
+				self.found_friend = true
+			end
+			self.object:setyaw(self.yaw)
+			self.object:set_properties({automatic_rotate = 0})
+			self.direction = {x = math.cos(self.yaw)*2, y = 6, z = math.sin(self.yaw)*2}
+		end
+
+
+		self.timer = self.timer + dtime
+		self.timer3 = self.timer3 + dtime
+
+		if self.timer2 > 1.3 and self.object:getvelocity().y == 0 then
+			self.object:setvelocity(self.direction)
+			self.object:setacceleration({x = self.direction.x/5, y = -GRAVITY, z = self.direction.z/5})
+			self.timer2 = 0
+		end
+
+		if (self.timer >= 6 or (self.timer >= 1 and self.found_friend == true)) and self.object:getvelocity().y == 0 then
+			self.timer = 0
+			self.timer2 = 0
+
+			self.status = 2
+			if not self.found_friend then
+				self.object:set_properties({automatic_rotate = math.pi * 8})
+			end
+		end
+
+		if self.timer3 > 0.07 then
+			vel = self.object:getvelocity()
+			if vel.y == 0 and (vel.x ~= 0 or vel.z ~= 0) then
+				self.object:setvelocity({x = 0, y = 0, z = 0})
+				self.object:setacceleration({x = 0, y = -GRAVITY, z = 0})
+			end
+			self.timer3 = 0
+		end
+	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
+
+function approx(val1, val2, deviation)
+	if val1 + deviation > val2
+	and val1 - deviation < val2 then
+		return true
+	end
+	return false
+end
+
+function slime_getyaw (pos) -- get yaw, only if objects to follow nearby
+	objs = minetest.env:get_objects_inside_radius(pos, 7)
+	for i, obj in ipairs(objs) do
+		if obj:is_player() or obj:get_luaentity().name == "medicine:small" then
+			local ppos = {x = obj:getpos().x - pos.x,
+				      z = obj:getpos().z - pos.z}
+			if ppos.x ~= 0 and ppos.z ~= 0 then --found itself as an object
+				local yaw = math.abs(math.atan(ppos.x/ppos.z) - math.pi / 2)
+				if ppos.z < 0 then yaw = yaw + math.pi end
+				return yaw
+			end
+		end
+	end
+	return false
+end
+
+minetest.register_abm({
+	nodenames = {"medicine:medicine_block"},
+	interval = 10.0,
+	chance = 100000,
+	action = function(pos, node)
+		minetest.env:add_entity({x=pos.x, y=pos.y + 1, z=pos.z}, "slimes:small")
+	end,
+})