| /* |
| * Copyright 2015 Google Inc. All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Run this file with the `java_sample.sh` script. |
| |
| import MyGame.Sample.Color |
| import MyGame.Sample.Equipment |
| import MyGame.Sample.Monster |
| import MyGame.Sample.Vec3 |
| import MyGame.Sample.Weapon |
| |
| import com.google.flatbuffers.FlatBufferBuilder |
| |
| @kotlin.ExperimentalUnsignedTypes |
| class SampleBinary { |
| |
| companion object { |
| // Example how to use FlatBuffers to create and read binary buffers. |
| @JvmStatic |
| fun main(args: Array<String>) { |
| val builder = FlatBufferBuilder(0) |
| |
| // Create some weapons for our Monster ('Sword' and 'Axe'). |
| val weaponOneName = builder.createString("Sword") |
| val weaponOneDamage: Short = 3 |
| val weaponTwoName = builder.createString("Axe") |
| val weaponTwoDamage: Short = 5 |
| |
| // Use the `createWeapon()` helper function to create the weapons, since we set every field. |
| val weaps = IntArray(2) |
| weaps[0] = Weapon.createWeapon(builder, weaponOneName, weaponOneDamage) |
| weaps[1] = Weapon.createWeapon(builder, weaponTwoName, weaponTwoDamage) |
| |
| // Serialize the FlatBuffer data. |
| val name = builder.createString("Orc") |
| val treasure = byteArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9).asUByteArray() |
| val inv = Monster.createInventoryVector(builder, treasure) |
| val weapons = Monster.createWeaponsVector(builder, weaps) |
| val pos = Vec3.createVec3(builder, 1.0f, 2.0f, 3.0f) |
| |
| Monster.startMonster(builder) |
| Monster.addPos(builder, pos) |
| Monster.addName(builder, name) |
| Monster.addColor(builder, Color.Red) |
| Monster.addHp(builder, 300.toShort()) |
| Monster.addInventory(builder, inv) |
| Monster.addWeapons(builder, weapons) |
| Monster.addEquippedType(builder, Equipment.Weapon) |
| Monster.addEquipped(builder, weaps[1]) |
| val orc = Monster.endMonster(builder) |
| |
| builder.finish(orc) // You could also call `Monster.finishMonsterBuffer(builder, orc);`. |
| |
| // We now have a FlatBuffer that can be stored on disk or sent over a network. |
| |
| // ...Code to store to disk or send over a network goes here... |
| |
| // Instead, we are going to access it right away, as if we just received it. |
| |
| val buf = builder.dataBuffer() |
| |
| // Get access to the root: |
| val monster = Monster.getRootAsMonster(buf) |
| |
| // Note: We did not set the `mana` field explicitly, so we get back the default value. |
| assert(monster.mana == 150.toShort()) |
| assert(monster.hp == 300.toShort()) |
| assert(monster.name.equals("Orc")) |
| assert(monster.color == Color.Red) |
| assert(monster.pos!!.x == 1.0f) |
| assert(monster.pos!!.y == 2.0f) |
| assert(monster.pos!!.z == 3.0f) |
| |
| // Get and test the `inventory` FlatBuffer `vector`. |
| for (i in 0 until monster.inventoryLength) { |
| assert(monster.inventory(i) == i.toUByte()) |
| } |
| |
| // Get and test the `weapons` FlatBuffer `vector` of `table`s. |
| val expectedWeaponNames = arrayOf("Sword", "Axe") |
| val expectedWeaponDamages = intArrayOf(3, 5) |
| for (i in 0 until monster.weaponsLength) { |
| assert(monster.weapons(i)!!.name.equals(expectedWeaponNames[i])) |
| assert(monster.weapons(i)!!.damage.toInt() == expectedWeaponDamages[i]) |
| } |
| |
| // Get and test the `equipped` FlatBuffer `union`. |
| assert(monster.equippedType == Equipment.Weapon) |
| val equipped = monster.equipped(Weapon()) as Weapon? |
| assert(equipped!!.name.equals("Axe")) |
| assert(equipped.damage == 5.toShort()) |
| |
| println("The FlatBuffer was successfully created and verified!") |
| } |
| } |
| } |