145 lines
3.8 KiB
Lua
145 lines
3.8 KiB
Lua
pets = {}
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pets.players_pets = {}
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pets.pet_file = minetest.get_worldpath() .. "/pets"
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local function get_velocity(v, yaw, y)
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local x = -math.sin(yaw) * v
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local z = math.cos(yaw) * v
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return {x = x, y = y, z = z}
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end
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function pets.register_pet(name, def)
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minetest.register_entity(name, {
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hp_max = def.hp_max,
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physical = true,
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collisionbox = def.collisionbox,
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visual = "mesh",
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visual_size = {x=1, y=1},
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mesh = def.mesh,
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textures = def.textures,
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spritediv = {x=1, y=1},
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initial_sprite_basepos = {x=0, y=0},
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is_visible = true,
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makes_footstep_sound = false,
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automatic_rotate = true,
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speed = 0,
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pl = nil,
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on_rightclick = function(self, clicker)
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if not clicker or not clicker:is_player() then
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return
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end
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if pets.players_pets[clicker:get_player_name()] then
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cmsg.push_message_player(clicker, "[pet] You already have a pet!")
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else
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pets.players_pets[clicker:get_player_name()] = name
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cmsg.push_message_player(clicker, "[pet] + ".. def.description)
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self.pl = clicker
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pets.players_pets[clicker:get_player_name()] = name
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pets.save_pets()
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end
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end,
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on_step = function(self, dtime)
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if self.pl ~= nil then
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if self.pl:getpos() then
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if vector.distance(self.object:getpos(), self.pl:getpos()) > 2 then
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local vec = vector.direction(self.object:getpos(), self.pl:getpos())
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vec.y = vec.y * 10
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self.object:setvelocity(vector.multiply(vec, 3))
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local yaw = math.atan(vec.z/vec.x)+math.pi/2
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yaw = yaw+(math.pi/2)
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if self.pl:getpos().x > self.object:getpos().x then
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yaw = yaw+math.pi
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end
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self.object:setyaw(yaw)
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end
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if vector.distance(self.object:getpos(), self.pl:getpos()) > 15 then
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local vec = self.pl:getpos()
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vec.x = vec.x + math.random(-3, 3)
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vec.z = vec.z + math.random(-3, 3)
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vec.y = vec.y + 3
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self.object:setpos(vec)
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end
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end
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else
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if math.random(0, 50) == 15 then
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local vec = {x=math.random(-3, 3), y=-4, z=math.random(-3, 3)}
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self.object:setvelocity(vec)
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local yaw = math.atan(vec.z/vec.x)+math.pi/2
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yaw = yaw+(math.pi/2)
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if vec.x + self.object:getpos().x > self.object:getpos().x then
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yaw = yaw+math.pi
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end
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self.object:setyaw(yaw)
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end
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end
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end,
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})
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minetest.register_craftitem(name, {
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description = def.description,
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inventory_image = "pets_"..def.description.."_spawn.png",
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on_place = function(itemstack, placer, pointed_thing)
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if pointed_thing.type ~= "node" then
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return
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end
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minetest.add_entity(pointed_thing.above, name)
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if not minetest.setting_getbool("creative_mode") then
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itemstack:take_item()
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end
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return itemstack
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end,
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})
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end
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-- load save
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function pets.load_pets()
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local input = io.open(pets.pet_file, "r")
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if input then
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local str = input:read()
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if str then
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for k, v1, v2 in str.gmatch(str,"(%w+)=(%w+):(%w+)") do
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pets.players_pets[k] = v1 .. ":" .. v2
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end
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end
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io.close(input)
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end
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end
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function pets.save_pets()
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if pets.players_pets then
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local output = io.open(pets.pet_file, "w")
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local str = ""
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for k, v in pairs(pets.players_pets) do
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str = str .. k .. "=" .. v .. ","
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end
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str = str:sub(1, #str - 1)
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output:write(str)
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io.close(output)
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end
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end
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minetest.register_on_joinplayer(function(player)
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if pets.players_pets[player:get_player_name()] then
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local vec = player:getpos()
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vec.x = vec.x + math.random(-3, 3)
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vec.z = vec.z + math.random(-3, 3)
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vec.y = vec.y + 3
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print("[pets] add entity " .. pets.players_pets[player:get_player_name()])
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local plpet = minetest.add_entity(vec, pets.players_pets[player:get_player_name()])
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plpet:get_luaentity().pl = player
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end
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end)
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pets.register_pet("pets:pig", {
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description = "pig",
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hp_max = 30,
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collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
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mesh = "pets_pig.x",
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textures = {"pets_pig.png",},
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})
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pets.load_pets()
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