flatbuffers/samples/SampleBinary.php

116 lines
4.6 KiB
PHP

<?php
/*
* 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.
*/
// To run, use the `php_sample.sh` script.
// It is recommended that you use PSR autoload when using FlatBuffers.
function __autoload($class_name) {
$class = substr($class_name, strrpos($class_name, "\\") + 1);
$root_dir = join(DIRECTORY_SEPARATOR, array(dirname(dirname(__FILE__)))); // `flatbuffers` root.
$paths = array(join(DIRECTORY_SEPARATOR, array($root_dir, "php")),
join(DIRECTORY_SEPARATOR, array($root_dir, "samples", "MyGame", "Sample")));
foreach ($paths as $path) {
$file = join(DIRECTORY_SEPARATOR, array($path, $class . ".php"));
if (file_exists($file)) {
require($file);
break;
}
}
}
// Example how to use FlatBuffers to create and read binary buffers.
function main() {
$builder = new Google\FlatBuffers\FlatbufferBuilder(0);
// Create some weapons for our Monster using the `createWeapon()` helper function.
$weapon_one = $builder->createString("Sword");
$sword = \MyGame\Sample\Weapon::CreateWeapon($builder, $weapon_one, 3);
$weapon_two = $builder->createString("Axe");
$axe = \MyGame\Sample\Weapon::CreateWeapon($builder, $weapon_two, 5);
// Serialize the FlatBuffer data.
$name = $builder->createString("Orc");
$treasure = array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
$inv = \MyGame\Sample\Monster::CreateInventoryVector($builder, $treasure);
$weaps = array($sword, $axe);
$weapons = \MyGame\Sample\Monster::CreateWeaponsVector($builder, $weaps);
$pos = \MyGame\Sample\Vec3::CreateVec3($builder, 1.0, 2.0, 3.0);
\MyGame\Sample\Monster::StartMonster($builder);
\MyGame\Sample\Monster::AddPos($builder, $pos);
\MyGame\Sample\Monster::AddHp($builder, 300);
\MyGame\Sample\Monster::AddName($builder, $name);
\MyGame\Sample\Monster::AddInventory($builder, $inv);
\MyGame\Sample\Monster::AddColor($builder, \MyGame\Sample\Color::Red);
\MyGame\Sample\Monster::AddWeapons($builder, $weapons);
\MyGame\Sample\Monster::AddEquippedType($builder, \MyGame\Sample\Equipment::Weapon);
\MyGame\Sample\Monster::AddEquipped($builder, $weaps[1]);
$orc = \MyGame\Sample\Monster::EndMonster($builder);
$builder->finish($orc); // You may also call `\MyGame\Sample\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.
$buf = $builder->dataBuffer();
// Get access to the root:
$monster = \MyGame\Sample\Monster::GetRootAsMonster($buf);
$success = true; // Tracks if an assert occurred.
// Note: We did not set the `mana` field explicitly, so we get back the default value.
$success &= assert($monster->getMana() == 150);
$success &= assert($monster->getHp() == 300);
$success &= assert($monster->getName() == "Orc");
$success &= assert($monster->getColor() == \MyGame\Sample\Color::Red);
$success &= assert($monster->getPos()->getX() == 1.0);
$success &= assert($monster->getPos()->getY() == 2.0);
$success &= assert($monster->getPos()->getZ() == 3.0);
// Get and test the `inventory` FlatBuffer `vector`.
for ($i = 0; $i < $monster->getInventoryLength(); $i++) {
$success &= assert($monster->getInventory($i) == $i);
}
// Get and test the `weapons` FlatBuffer `vector` of `table`s.
$expected_weapon_names = array("Sword", "Axe");
$expected_weapon_damages = array(3, 5);
for ($i = 0; $i < $monster->getWeaponsLength(); $i++) {
$success &= assert($monster->getWeapons($i)->getName() == $expected_weapon_names[$i]);
$success &= assert($monster->getWeapons($i)->getDamage() == $expected_weapon_damages[$i]);
}
// Get and test the `equipped` FlatBuffer `union`.
$success &= assert($monster->getEquippedType() == \MyGame\Sample\Equipment::Weapon);
$success &= assert($monster->getEquipped(new \MyGame\Sample\Weapon())->getName() == "Axe");
$success &= assert($monster->getEquipped(new \MyGame\Sample\Weapon())->getDamage() == 5);
if ($success) {
print("The FlatBuffer was successfully created and verified!\n");
}
}
main();
?>