forked from VoxeLibre/VoxeLibre
Merge pull request 'Add persistence to XP Orbs' (#4265) from teknomunk/MineClone2:persist-xp-orbs into master
Reviewed-on: VoxeLibre/VoxeLibre#4265 Reviewed-by: Mikita Wiśniewski <rudzik8@protonmail.com>
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commit
1745b6d400
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@ -1,7 +1,12 @@
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local size_min, size_max = 20, 59
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local delta_size = size_max - size_min
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-- Constants
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local size_min = 20 / 100 -- minimum size, prescaled
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local size_max = 59 / 100 -- maximum size, prescaled
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local delta_size = (size_max - size_min) / 10 -- Size change for each XP size level
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local max_orb_age = 300 -- seconds
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local gravity = vector.new(0, -((tonumber(minetest.settings:get("movement_gravity"))) or 9.81), 0)
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local size_to_xp = {
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-- min and max XP amount for a given size
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{-32768, 2}, -- 1
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{ 3, 6}, -- 2
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{ 7, 16}, -- 3
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@ -16,24 +21,20 @@ local size_to_xp = {
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}
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local function xp_to_size(xp)
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local i, l = 1, #size_to_xp
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xp = xp or 0
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while xp > size_to_xp[i][1] and i < l do
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i = i + 1
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-- Find the size for the xp amount
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for i=1,11 do
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local bucket = size_to_xp[i]
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if xp >= bucket[1] and xp <= bucket[2] then
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return (i - 1) * delta_size + size_min
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end
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end
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return ((i - 1) / (l - 1) * delta_size + size_min) / 100
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-- Fallback is the minimum size
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return size_min
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end
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local max_orb_age = 300 -- seconds
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local gravity = vector.new(0, -((tonumber(minetest.settings:get("movement_gravity"))) or 9.81), 0)
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local collector, pos, pos2
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local direction, distance, player_velocity, goal
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local currentvel, acceleration, multiplier, velocity
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local node, vel, def
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local is_moving, is_slippery, slippery, slip_factor
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local size
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local function xp_step(self, dtime)
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--if item set to be collected then only execute go to player
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if self.collected == true then
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@ -41,33 +42,32 @@ local function xp_step(self, dtime)
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self.collected = false
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return
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end
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collector = minetest.get_player_by_name(self.collector)
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local collector = minetest.get_player_by_name(self.collector)
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if collector and collector:get_hp() > 0 and vector.distance(self.object:get_pos(),collector:get_pos()) < 7.25 then
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self.object:set_acceleration(vector.new(0,0,0))
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self.disable_physics(self)
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--get the variables
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pos = self.object:get_pos()
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pos2 = collector:get_pos()
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local pos = self.object:get_pos()
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local pos2 = collector:get_pos()
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player_velocity = collector:get_velocity() or collector:get_player_velocity()
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local player_velocity = collector:get_velocity() or collector:get_player_velocity()
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pos2.y = pos2.y + 0.8
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direction = vector.direction(pos,pos2)
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distance = vector.distance(pos2,pos)
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multiplier = distance
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local direction = vector.direction(pos,pos2)
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local distance = vector.distance(pos2,pos)
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local multiplier = distance
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if multiplier < 1 then
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multiplier = 1
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end
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goal = vector.multiply(direction,multiplier)
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currentvel = self.object:get_velocity()
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local currentvel = self.object:get_velocity()
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if distance > 1 then
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multiplier = 20 - distance
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velocity = vector.multiply(direction,multiplier)
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goal = velocity
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acceleration = vector.new(goal.x-currentvel.x,goal.y-currentvel.y,goal.z-currentvel.z)
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self.object:add_velocity(vector.add(acceleration,player_velocity))
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local velocity = vector.multiply(direction, multiplier)
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local acceleration = vector.new(velocity.x - currentvel.x, velocity.y - currentvel.y, velocity.z - currentvel.z)
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self.object:add_velocity(vector.add(acceleration, player_velocity))
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elseif distance < 0.8 then
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mcl_experience.add_xp(collector, self._xp)
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self.object:remove()
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@ -75,28 +75,26 @@ local function xp_step(self, dtime)
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return
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else
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self.collector = nil
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self.enable_physics(self)
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self:enable_physics()
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end
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end
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-- Age orbs
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self.age = self.age + dtime
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if self.age > max_orb_age then
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self.object:remove()
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return
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end
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pos = self.object:get_pos()
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local pos = self.object:get_pos()
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if not pos then return end
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if pos then
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node = minetest.get_node_or_nil({
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x = pos.x,
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y = pos.y -0.25,
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z = pos.z
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})
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else
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return
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end
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-- Get the node directly below the XP orb
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local node = minetest.get_node_or_nil({
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x = pos.x,
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y = pos.y - 0.25, -- Orb collision box is +/-0.2, so go a bit below that
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z = pos.z
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})
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-- Remove nodes in 'ignore'
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if node and node.name == "ignore" then
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@ -109,18 +107,18 @@ local function xp_step(self, dtime)
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end
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-- Slide on slippery nodes
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vel = self.object:get_velocity()
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def = node and minetest.registered_nodes[node.name]
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is_moving = (def and not def.walkable) or
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local vel = self.object:get_velocity()
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local def = node and minetest.registered_nodes[node.name]
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local is_moving = (def and not def.walkable) or
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vel.x ~= 0 or vel.y ~= 0 or vel.z ~= 0
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is_slippery = false
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local is_slippery = false
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if def and def.walkable then
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slippery = minetest.get_item_group(node.name, "slippery")
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local slippery = minetest.get_item_group(node.name, "slippery")
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is_slippery = slippery ~= 0
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if is_slippery and (math.abs(vel.x) > 0.2 or math.abs(vel.z) > 0.2) then
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-- Horizontal deceleration
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slip_factor = 4.0 / (slippery + 4)
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local slip_factor = 4.0 / (slippery + 4)
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self.object:set_acceleration({
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x = -vel.x * slip_factor,
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y = 0,
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@ -160,7 +158,6 @@ minetest.register_entity("mcl_experience:orb", {
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initial_sprite_basepos = {x = 0, y = 0},
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is_visible = true,
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pointable = false,
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static_save = false,
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},
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moving_state = true,
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slippery_state = false,
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@ -191,7 +188,7 @@ minetest.register_entity("mcl_experience:orb", {
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-- This was a minetest bug for a while: https://github.com/minetest/minetest/issues/14420
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local xp = tonumber(staticdata) or 0
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self._xp = xp
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size = xp_to_size(xp)
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local size = xp_to_size(xp)
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self.object:set_properties({
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visual_size = {x = size, y = size},
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@ -199,6 +196,9 @@ minetest.register_entity("mcl_experience:orb", {
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})
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self.object:set_sprite({x=1,y=math.random(1,14)}, 14, 0.05, false)
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end,
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get_staticdata = function(self)
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return tostring(self._xp or 0)
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end,
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enable_physics = function(self)
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if not self.physical_state then
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