diff options
Diffstat (limited to 'init.lua')
| -rw-r--r-- | init.lua | 338 |
1 files changed, 271 insertions, 67 deletions
@@ -1,19 +1,20 @@ --- --- Helper functions --- +--[[ Helpers ]]-- +-- Keep track of attached players (for leaveplayer) +local attached = {} + +-- Terrain checkers local function is_water(pos) local nn = minetest.get_node(pos).name return minetest.get_item_group(nn, "liquid") ~= 0 end - local function is_bike_friendly(pos) local nn = minetest.get_node(pos).name return minetest.get_item_group(nn, "crumbly") == 0 or minetest.get_item_group(nn, "bike_friendly") ~= 0 end - +-- Maths local function get_sign(i) if i == 0 then return 0 @@ -22,64 +23,132 @@ local function get_sign(i) end end - local function get_velocity(v, yaw, y) local x = -math.sin(yaw) * v local z = math.cos(yaw) * v return {x = x, y = y, z = z} end - local function get_v(v) return math.sqrt(v.x ^ 2 + v.z ^ 2) end --- --- bike entity --- +-- Custom hand +minetest.register_node("bike:hand", { + description = "", + range = 0, + on_place = function(itemstack, placer, pointed_thing) + return ItemStack("bike:hand "..itemstack:get_count()) + end, + wield_image = minetest.registered_items[""].wield_image, + wield_scale = minetest.registered_items[""].wield_scale, + node_placement_prediction = "", +}) + +--[[ Bike ]]-- + +-- Default textures (overidden when mounted) +local default_tex = { + "metal_grey.png", + "gear.png", + "metal_blue.png", + "leather.png", + "chain.png", + "metal_grey.png", + "leather.png", + "metal_black.png", + "metal_black.png", + "blank.png", + "tread.png", + "gear.png", + "spokes.png", + "tread.png", + "spokes.png", +} +-- Entity local bike = { physical = true, -- Warning: Do not change the position of the collisionbox top surface, -- lowering it causes the bike to fall through the world if underwater - collisionbox = {-0.35, -0.35, -0.35, 0.35, 0.7, 0.35}, + collisionbox = {-0.5, -0.4, -0.5, 0.5, 0.8, 0.5}, + collide_with_objects = false, visual = "mesh", - mesh = "bike_bike.obj", - textures = {"bike_bike.png"}, + mesh = "bike.b3d", + textures = default_tex, stepheight = 0.6, - driver = nil, - old_driver = nil, - v = 0, - last_v = 0, + old_driver = {}, + v = 0, -- Current velocity + last_v = 0, -- Last velocity + max_v = 10, -- Max velocity + fast_v = 0, -- Fast adder + f_speed = 30, -- Frame speed + last_y = nil, -- Last height + up = false, -- Are we going up? + timer = 0, removed = false } -local function dismount_player(bike) - local name = bike.driver:get_player_name() +-- Dismont the player +local function dismount_player(bike, exit) bike.object:set_velocity({x = 0, y = 0, z = 0}) + -- Make the bike empty again + bike.object:set_properties({textures = default_tex}) bike.v = 0 - bike.old_driver = bike.driver - bike.driver = nil - bike.old_driver:set_detach() - default.player_attached[name] = false - --default.player_set_animation(bike.old_driver, "stand" , 30) - local pos = bike.old_driver:get_pos() - pos = {x = pos.x, y = pos.y + 0.2, z = pos.z} - minetest.after(0.1, function() - bike.old_driver:set_pos(pos) - end) + if bike.driver then + attached[bike.driver:get_player_name()] = nil + bike.driver:set_detach() + -- Reset original player properties + bike.driver:set_properties({textures=bike.old_driver["textures"]}) + bike.driver:set_eye_offset(bike.old_driver["eye_offset"].offset_first, bike.old_driver["eye_offset"].offset_third) + bike.driver:hud_set_flags(bike.old_driver["hud"]) + bike.driver:get_inventory():set_stack("hand", 1, bike.old_driver["hand"]) + -- Is the player leaving? If so, dont do this stuff or Minetest will have a fit + if not exit then + local pos = bike.driver:get_pos() + pos = {x = pos.x, y = pos.y + 0.2, z = pos.z} + bike.driver:set_pos(pos) + end + bike.driver = nil + end end +-- Mounting function bike.on_rightclick(self, clicker) if not clicker or not clicker:is_player() then return end - local name = clicker:get_player_name() - if self.driver and clicker == self.driver then - dismount_player(self) - elseif not self.driver then + if not self.driver then + attached[clicker:get_player_name()] = true + -- Make integrated player appear + self.object:set_properties({ + textures = { + "metal_grey.png", + "gear.png", + "metal_blue.png", + "leather.png", + "chain.png", + "metal_grey.png", + "leather.png", + "metal_black.png", + "metal_black.png", + clicker:get_properties().textures[1].."^helmet.png", + "tread.png", + "gear.png", + "spokes.png", + "tread.png", + "spokes.png", + }, + }) + -- Save the player's properties that we need to change + self.old_driver["textures"] = clicker:get_properties().textures + self.old_driver["eye_offset"] = clicker:get_eye_offset() + self.old_driver["hud"] = clicker:hud_get_flags() + self.old_driver["hand"] = clicker:get_inventory():get_stack("hand", 1) + -- Change the hand + clicker:get_inventory():set_stack("hand", 1, "bike:hand") local attach = clicker:get_attach() if attach and attach:get_luaentity() then local luaentity = attach:get_luaentity() @@ -89,17 +158,19 @@ function bike.on_rightclick(self, clicker) clicker:set_detach() end self.driver = clicker - clicker:set_attach(self.object, "", - {x = 0, y = 1, z = -2}, {x = 0, y = 0, z = 0}) - default.player_attached[name] = true - --[[minetest.after(0.2, function() - default.player_set_animation(clicker, "sit" , 30) - end)--]] + -- Set new properties and hide HUD + clicker:set_properties({textures = {"blank.png"}}) + clicker:set_attach(self.object, "body", {x = 0, y = 10, z = 5}, {x = 0, y = 0, z = 0}) + clicker:set_eye_offset({x=0,y=-3,z=10},{x=0,y=0,z=5}) + clicker:hud_set_flags({ + hotbar = false, + wielditem = false, + }) + -- Look forward initially clicker:set_look_horizontal(self.object:get_yaw()) end end - function bike.on_activate(self, staticdata, dtime_s) self.object:set_acceleration({x = 0, y = -9.8, z = 0}) self.object:set_armor_groups({immortal = 1}) @@ -107,50 +178,141 @@ function bike.on_activate(self, staticdata, dtime_s) self.v = tonumber(staticdata) end self.last_v = self.v + -- We aren't going up yet + self.last_y = 0 end - function bike.get_staticdata(self) return tostring(self.v) end - function bike.on_punch(self, puncher) if not puncher or not puncher:is_player() or self.removed then return end - local pc=puncher:get_player_control() - if not pc.sneak then - minetest.chat_send_player(puncher:get_player_name(), "Warning: Destroying the bike gives you only some resources back. If you are sure, hold sneak while destroying the bike.") - return - end - if self.driver and puncher == self.driver then - self.driver = nil - puncher:set_detach() - default.player_attached[puncher:get_player_name()] = false - end if not self.driver then - self.removed = true local inv = puncher:get_inventory() - if not (creative and creative.is_enabled_for - and creative.is_enabled_for(puncher:get_player_name())) - or not inv:contains_item("main", "default:steel_ingot 6") then - local leftover = inv:add_item("main", "default:steel_ingot 6") - -- if no room in inventory add the iron to the world + -- We can only carry one bike + if not inv:contains_item("main", "bike:bike") then + local leftover = inv:add_item("main", "bike:bike") + -- if no room in inventory add the bike to the world if not leftover:is_empty() then minetest.add_item(self.object:get_pos(), leftover) end + else + -- Turn it into raw materials + if not (creative and creative.is_enabled_for(puncher:get_player_name())) then + local ctrl = puncher:get_player_control() + if not ctrl.sneak then + minetest.chat_send_player(puncher:get_player_name(), "Warning: Destroying the bike gives you only some resources back. If you are sure, hold sneak while destroying the bike.") + return + end + local leftover = inv:add_item("main", "default:steel_ingot 6") + -- if no room in inventory add the iron to the world + if not leftover:is_empty() then + minetest.add_item(self.object:get_pos(), leftover) + end + end end - -- delay remove to ensure player is detached + self.removed = true + -- Delay remove to ensure player is detached minetest.after(0.1, function() self.object:remove() end) end end +-- Animations +local function bike_anim(self) + -- The `self.object:get_animation().y ~= <frame>` is to check if the animation is already running + if self.driver then + local ctrl = self.driver:get_player_control() + -- Wheely + if ctrl.jump then + -- We are moving + if self.v > 0 then + if self.object:get_animation().y ~= 79 then + self.object:set_animation({x=59,y=79}, self.f_speed + self.fast_v, 0, true) + end + return + -- Else we are not + else + if self.object:get_animation().y ~= 59 then + self.object:set_animation({x=59,y=59}, self.f_speed + self.fast_v, 0, true) + end + return + end + end + -- Left or right tilt, but only if we arent doing a wheely + if ctrl.left then + if self.object:get_animation().y ~= 58 then + self.object:set_animation({x=39,y=58}, self.f_speed + self.fast_v, 0, true) + end + return + elseif ctrl.right then + if self.object:get_animation().y ~= 38 then + self.object:set_animation({x=19,y=38}, self.f_speed + self.fast_v, 0, true) + end + return + end + end + -- If none of that, then we are just moving forward + if self.v > 0 then + if self.object:get_animation().y ~= 18 then + self.object:set_animation({x=0,y=18}, 30, 0, true) + end + return + -- Or not + else + if self.object:get_animation().y ~= 0 then + self.object:set_animation({x=0,y=0}, 0, 0, false) + end + end +end +-- Run every tick function bike.on_step(self, dtime) + -- Has the player left? + if self.driver then + if not attached[self.driver:get_player_name()] then + dismount_player(self, true) + end + end + + -- Have we come to a sudden stop? + if math.abs(self.last_v - self.v) > 3 then + -- And is Minetest not being dumb + if not self.up then + self.v = 0 + -- If so, dismount + if self.driver then + dismount_player(self) + end + end + end + + self.last_v = self.v + + self.timer = self.timer + dtime; + if self.timer >= 0.5 then + -- Recording y values to check if we are going up + self.last_y = self.object:get_pos().y + self.timer = 0 + end + + -- Are we going up? + if self.last_y < self.object:get_pos().y then + self.up = true + else + self.up = false + end + + -- Run animations + bike_anim(self) + + -- Are we falling? if self.object:get_velocity().y < -10 and self.driver ~= nil then + -- If so, dismount dismount_player(self) return end @@ -162,26 +324,62 @@ function bike.on_step(self, dtime) local yaw = self.object:get_yaw() local agility = 0 + -- Sneak dismount + if ctrl.sneak then + dismount_player(self) + end + if self.v > 0.4 then agility = 1/math.sqrt(self.v) else agility = 1.58 end + -- Forward if ctrl.up then - self.v = self.v + 0.2 * agility + -- Are we going fast? + if ctrl.aux1 then + if self.fast_v ~= 5 then + self.fast_v = 5 + end + else + if self.fast_v > 0 then + self.fast_v = self.fast_v - 0.05 * agility + end + end + self.v = self.v + 0.2 + (self.fast_v*0.1) * agility + -- Brakes elseif ctrl.down then self.v = self.v - 0.5 * agility + if self.fast_v > 0 then + self.fast_v = self.fast_v - 0.05 * agility + end + -- Nothin' else self.v = self.v - 0.05 * agility + if self.fast_v > 0 then + self.fast_v = self.fast_v - 0.05 * agility + end + end + + -- Wheely will change this + local turn_speed = 1 + + -- Are we doing a wheely? + if ctrl.jump then + turn_speed = 2 + else + turn_speed = 1 end + -- Turning if ctrl.left then - self.object:set_yaw(yaw + (1 + dtime) * 0.06 * agility) + self.object:set_yaw(yaw + (turn_speed + dtime) * 0.06 * agility) elseif ctrl.right then - self.object:set_yaw(yaw - (1 + dtime) * 0.06 * agility) + self.object:set_yaw(yaw - (turn_speed + dtime) * 0.06 * agility) end end + -- Movement local velo = self.object:get_velocity() if self.v == 0 and velo.x == 0 and velo.y == 0 and velo.z == 0 then self.object:move_to(self.object:get_pos()) @@ -193,8 +391,8 @@ function bike.on_step(self, dtime) self.v = 0 return end - if self.v > 10 then - self.v = 10 + if self.v > self.max_v + self.fast_v then + self.v = self.max_v + self.fast_v elseif self.v < 0 then self.v = 0 end @@ -203,6 +401,8 @@ function bike.on_step(self, dtime) if is_water(p) then self.v = self.v / 1.3 end + + -- Can we ride good here? if not is_bike_friendly({x=p.x, y=p.y-0.355, z=p.z}) then self.v = self.v / 1.05 end @@ -213,18 +413,21 @@ function bike.on_step(self, dtime) self.object:set_velocity(new_velo) end +-- Player is leaving (doesn't matter if they are on a bike or not) +minetest.register_on_leaveplayer(function(player) + attached[player:get_player_name()] = nil +end) +-- Register the entity minetest.register_entity("bike:bike", bike) - +-- Craftitem minetest.register_craftitem("bike:bike", { description = "bike", inventory_image = "bike_inventory.png", - --wield_image = "bike_wield.png", wield_scale = {x = 3, y = 3, z = 2}, liquids_pointable = true, groups = {flammable = 2}, - on_place = function(itemstack, placer, pointed_thing) local under = pointed_thing.under local node = minetest.get_node(under) @@ -255,6 +458,7 @@ minetest.register_craftitem("bike:bike", { end, }) +-- Crafting things minetest.register_craftitem("bike:wheel", { description = "Bike Wheel", inventory_image = "bike_wheel.png", |