Add minecarts back in
oilboi
parent
c606ac88fd
commit
71c0bf8239
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@ -0,0 +1,247 @@
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minetest.register_on_newplayer(function(player)
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local pos = player:get_pos()
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minetest.add_item(pos, "nodes:rail_straight 99")
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minetest.add_item(pos, "nodes:rail_turn 99")
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minetest.add_item(pos, "minecart:minecart 99")
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end)
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--potential: minecarts pushing minecarts, minecart trains, furnace minecart
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local minecart = {
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initial_properties = {
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physical = true, -- otherwise going uphill breaks
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collide_with_objects = true,
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collisionbox = {-0.295, -1, -0.295, 0.295, 0.5, 0.295},
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visual = "mesh",
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mesh = "minecart.b3d",
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visual_size = {x=1, y=1},
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textures = {"minecart_ent.png"},
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timer = 0,
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speed = 0,
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yaw = 0,
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automatic_face_movement_dir = 90.0,
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automatic_face_movement_max_rotation_per_sec = 10,
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furnace = false,
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axis = "z",
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stepheight = 8/16, --1 pixel height to go up hill
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},
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}
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function minecart:on_activate(staticdata, dtime_s)
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if self.axis == nil then
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self.axis = "z"
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end
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if self.timer == nil then
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self.timer = 0
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end
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self.object:set_acceleration({x=0,y=-20,z=0})
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if staticdata ~= "" and staticdata ~= nil then
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local data = minetest.parse_json(staticdata) or {}
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--restore old data
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if data then
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self.timer = data.timer
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self.speed = data.speed
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self.old_velocity = data.old_velocity
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self.old_pos = data.old_pos
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self.furnace = data.furnace
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end
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end
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end
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function minecart:on_step(dtime)
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self.timer = self.timer + dtime
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minecart:repel(self)
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minecart:change_direction(self,dtime)
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minecart:furnace_minecart(self)
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minecart:friction(self)
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local vel = self.object:get_velocity()
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minecart:set_rotation(self)
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minecart:set_axis(self) -- make sure this is last
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self.old_velocity = vel
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self.old_pos = self.object:get_pos()
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end
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function minecart:set_axis(self)
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local vel = self.object:get_velocity()
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if math.abs(vel.x) > math.abs(vel.z) then
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self.axis = "x"
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else
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self.axis = "z"
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end
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end
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--test out furnace minecart mechanics
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function minecart:furnace_minecart(self)
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if self.furnace == true then
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local pos = self.object:get_pos()
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minetest.add_particle({
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pos = pos,
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velocity = {x=0, y=math.random(2,4), z=0},
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acceleration = {x=math.random(-1,1), y=math.random(2,4), z=math.random(-1,1)},
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expirationtime = math.random(2,5),
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size = math.random(1,3),
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collisiondetection = false,
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vertical = false,
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texture = "puff.png",
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})
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local vel = self.object:get_velocity()
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--limit the speed
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local speed_limit = 2
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if math.abs(vel.x) < speed_limit and math.abs(vel.z) < speed_limit then
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self.object:add_velocity(vector.divide(vel,5))
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end
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end
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end
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--test out furnace minecart
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function minecart:on_rightclick(clicker)
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print(self.furnace)
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if self.furnace == false or self.furnace == nil then
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self.furnace = true
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else
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self.furnace = false
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end
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end
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function minecart:set_rotation(self)
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local pos = self.object:get_pos()
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if self.old_pos then
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self.object:set_yaw(minetest.dir_to_yaw(vector.direction(pos, self.old_pos)))
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end
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end
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--slow down cart with friction
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function minecart:friction(self)
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local vel = self.object:get_velocity()
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vel = vector.multiply(vel,-1)
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vel = vector.divide(vel,100)
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self.object:add_velocity({x=vel.x,y=-5,z=vel.z})
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end
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--push away from players
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function minecart:repel(self)
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local pos = self.object:get_pos()
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local temp_pos = self.object:get_pos()
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temp_pos.y = 0
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--magnet effect
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for _,object in ipairs(minetest.get_objects_inside_radius(pos, 1)) do
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--change wether powered or not
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--basically if true, the minecart will only repel to players
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if self.furnace == false or self.furnace == nil then
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if object:is_player() or (object:get_luaentity() and object:get_luaentity().name == "minecart:minecart" and object ~= self.object) then
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local pos2 = object:get_pos()
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local vec = vector.subtract(pos, pos2)
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--the closer in the more it repels
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vec = vector.multiply(vec,(vector.distance(pos, pos2)))
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--follow the current rail
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local x = 0
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local z = 0
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if self.axis == "x" then
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x = vec.x
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elseif self.axis == "z" then
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z = vec.z
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end
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self.object:add_velocity({x=x,y=-5,z=z})
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end
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elseif self.furnace == true then
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if object:is_player() then
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local pos2 = object:get_pos()
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local vec = vector.subtract(pos, pos2)
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--the closer in the more it repels
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local multiplier = 2
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vec = vector.multiply(vec,(vector.distance(pos, pos2)))
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--follow the current rail
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local x = 0
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local z = 0
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if self.axis == "x" then
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x = vec.x
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elseif self.axis == "z" then
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z = vec.z
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end
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self.object:add_velocity({x=x,y=-5,z=z})
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end
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end
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end
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end
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--turn corners on rails
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function minecart:change_direction(self,dtime)
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--a cooldown for turn spamming
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if self.timer < 0 then
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--print("test "..self.timer)
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return
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end
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local vel = self.object:get_velocity()
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local pos = self.object:get_pos()
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pos.y = pos.y - 0.75
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local old = self.old_velocity
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--change direction on rail
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if old then
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--print("what")
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if self.axis == "x" and math.floor(math.abs(vel.x)) == 0 then
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--print("axis X repeat test")
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--if (old.x > 0 and minetest.get_node({x=pos.x+0.52,y=pos.y,z=pos.z}).name == "air") or (old.x < 0 and minetest.get_node({x=pos.x-0.52,y=pos.y,z=pos.z}).name == "air") then
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if minecart:testrail({x=pos.x,y=pos.y,z=pos.z+0.52}) ~= 0 then
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self.object:add_velocity({x=0,y=-5,z=math.abs(old.x)})
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self.timer = 0
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elseif minecart:testrail({x=pos.x,y=pos.y,z=pos.z-0.52}) ~= 0 then
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self.object:add_velocity({x=0,y=-5,z=math.abs(old.x)*-1})
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self.timer = 0
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end
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--end
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elseif self.axis == "z" and math.floor(math.abs(vel.z)) == 0 then
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--print("axis Z repeat test")
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if minecart:testrail({x=pos.x+0.52,y=pos.y,z=pos.z}) ~= 0 then
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self.object:add_velocity({x=math.abs(old.z),y=-5,z=0})
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self.timer = 0
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elseif minecart:testrail({x=pos.x-0.52,y=pos.y,z=pos.z}) ~= 0 then
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self.object:add_velocity({x=math.abs(old.z)*-1,y=-5,z=0})
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self.timer = 0
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end
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end
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end
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self.old_axis = self.axis
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end
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--test if a node is rail
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function minecart:testrail(pos)
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return(minetest.get_item_group(minetest.get_node(pos).name, "rail"))
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end
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function minecart:on_punch(hitter)
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local item = minetest.add_item(self.object:get_pos(), "minecart:minecart")
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item:get_luaentity().age = collection_age - 0.35
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self.object:remove()
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end
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function minecart:get_staticdata()
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return minetest.write_json({
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message = self.message,
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timer = self.timer,
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speed = self.speed,
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old_velocity = self.old_velocity,
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old_pos = self.old_pos,
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furnace = self.furnace,
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})
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end
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minetest.register_entity("minecart:minecart", minecart)
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minetest.register_craftitem("minecart:minecart", {
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description = "Minecart",
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inventory_image = "minecart.png",
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on_place = function(itemstack, placer, pointed_thing)
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local pos = pointed_thing.above
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pos.y = pos.y + 1
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local test = minetest.add_entity(pos, "minecart:minecart")
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itemstack:take_item(1)
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return(itemstack)
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end,
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})
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@ -276,3 +276,104 @@ minetest.register_node("nodes:leaves", {
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drop = "items:apple",
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sounds = sounds.leaves(),
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})
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minetest.register_node("nodes:rail_straight", {
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description = "Rail",
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drawtype = "nodebox",
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paramtype = "light",
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paramtype2 = "facedir",
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tiles = {
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"default_stone.png",
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},
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node_box = {
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type = "fixed",
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fixed = {
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{0.3, -0.5, -0.5, 0.5, 0.1, 0.5},--left
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{-0.5, -0.5, -0.5, -0.3, 0.1, 0.5},--right
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},
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},
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inventory_image = "default_rail.png",
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wield_image = "default_rail.png",
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groups = {wood = 1,rail=1},
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sounds = sounds.stone(),
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})
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minetest.register_node("nodes:rail_turn", {
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description = "Rail",
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drawtype = "nodebox",
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paramtype = "light",
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paramtype2 = "facedir",
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tiles = {
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"default_stone.png",
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},
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node_box = {
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type = "fixed",
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fixed = {
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--left,down,right,forward,up,backward
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{-0.5, -0.5, -0.5, -0.3, 0.1, 0.5},--left
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{0.3, -0.5, 0.3, 0.5, 0.1, 0.5},--corner
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{-0.5,-0.5,-0.5,0.5,0.1,-0.3},--corner
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},
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},
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inventory_image = "default_stone.png",
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wield_image = "default_rail.png",
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groups = {wood = 1,rail=1},
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sounds = sounds.stone(),
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})
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local uphill_nodebox = {}
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--a few passes to construct uphill rails
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for i = 1,16 do --right rail
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local pixel = (1/16)
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--left down right front up back
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uphill_nodebox[i] = {
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0.3, --left
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-0.5+(pixel*i)-pixel, --bottom
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-0.5+(pixel*i)-pixel, --back
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0.5, --right
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-0.5+(pixel*10)+(pixel*i)-pixel, --top
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-0.5+(pixel*i) --front
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}
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end
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for i = 1,16 do --left rail
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local pixel = (1/16)
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--left down right front up back
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uphill_nodebox[i+16] = {
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-0.5, --left
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-0.5+(pixel*i)-pixel, --bottom
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-0.5+(pixel*i)-pixel, --back
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-0.3, --right
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-0.5+(pixel*10)+(pixel*i)-pixel, --top
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-0.5+(pixel*i) --front
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}
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end
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for i = 1,16 do --base
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local pixel = (1/16)
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--left down right front up back
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uphill_nodebox[i+32] = {
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-0.3, --left
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-0.5+(pixel*i)-(pixel*2), --bottom
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-0.5+(pixel*i)-pixel, --back
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0.3, --right
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-0.5+(pixel*1)+(pixel*i)-(pixel*2), --top
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-0.5+(pixel*i) --front
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}
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end
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minetest.register_node("nodes:rail_uphill", {
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description = "Rail",
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drawtype = "nodebox",
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paramtype = "light",
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paramtype2 = "facedir",
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tiles = {
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"default_stone.png",
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},
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node_box = {
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type = "fixed",
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fixed = uphill_nodebox,
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},
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inventory_image = "default_dirt.png",
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wield_image = "default_rail.png",
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groups = {wood = 1,rail=1},
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sounds = sounds.stone(),
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})
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