flatbuffers-tutorial/main.py at main · Lslightly-courses/flatbuffers-tutorial · GitHub

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"""
serialization
"""
import flatbuffers

import MyGame.Sample.Color as Color
import MyGame.Sample.Equipment as Equipment
import MyGame.Sample.Monster as Monster
import MyGame.Sample.Vec3 as Vec3
import MyGame.Sample.Weapon as Weapon

builder = flatbuffers.Builder(1024)
weapon_one = builder.CreateString("Sword")
weapon_two = builder.CreateString("Axe")

Weapon.Start(builder)
Weapon.AddName(builder, weapon_one)
Weapon.AddDamage(builder, 3)
sword = Weapon.End(builder)

Weapon.Start(builder)
Weapon.AddName(builder, weapon_two)
Weapon.AddDamage(builder, 5)
axe = Weapon.End(builder)

Monster.StartWeaponsVector(builder, 2)
builder.PrependUOffsetTRelative(axe)
builder.PrependUOffsetTRelative(sword)
weapons = builder.EndVector()

Monster.StartInventoryVector(builder, 10)
for i in reversed(range(0, 10)):
    builder.PrependByte(i)
inv = builder.EndVector()

Monster.StartPathVector(builder, 2)
Vec3.CreateVec3(builder, 1.0, 2.0, 3.0)
Vec3.CreateVec3(builder, 4.0, 5.0, 6.0)
path = builder.EndVector()

name = builder.CreateString("Orc")

Monster.Start(builder)
Monster.AddPos(builder,
            Vec3.CreateVec3(builder, 1.0, 2.0, 3.0))
Monster.AddHp(builder, 300)
Monster.AddName(builder, name)
Monster.AddInventory(builder, inv)
Monster.AddColor(builder,
                Color.Color().Red)
Monster.AddWeapons(builder, weapons)
Monster.AddEquippedType(
    builder,
    Equipment.Equipment().Weapon,
)
Monster.AddEquipped(builder, axe)
Monster.AddPath(builder, path)
orc = Monster.End(builder)

builder.Finish(orc)
buf = builder.Output()
with open("orc.flatbuf", "wb") as f:
    f.write(buf)