75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
import hjson
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text = ''
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def add_text(fmt, *args):
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global text
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text += (fmt + '\n').format(*args)
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def resolve_type(aliases, type):
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if type in aliases:
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return aliases[type]
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return type
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def print_states(states):
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add_text(' enum class ProtocolState : int32_t')
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add_text(' {{')
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for state, value in states.items():
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add_text(' {} = {},', state, value)
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add_text(' }};')
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def get_rw_func(primitiveType, aliasedType, read):
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prefix = 'Read' if read else 'Write'
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if aliasedType == 'varint':
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return '{}VarInt<{}>'.format(prefix, primitiveType)
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elif aliasedType == 'string':
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return '{}String'.format(prefix)
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else:
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return 'Read<{}>'.format(aliasedType)
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def print_messages(list, aliases, primitives, serverbound):
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global text
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for message_name, message in list.items():
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add_text(' struct {}Message', message_name)
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add_text(' {{')
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add_text(' static constexpr int32_t PacketId = {};', message['id'])
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add_text(' static constexpr bool ServerBound = {};', 'true' if serverbound else 'false')
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add_text(' static constexpr ProtocolState PacketState = ProtocolState::{};', message['state'])
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add_text('')
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if serverbound:
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add_text(' {}Message(PacketReader& reader)', message_name)
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add_text(' {{')
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for name, type in message['vars'].items():
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add_text(' {} = reader.{}();', name, get_rw_func(resolve_type(primitives, type), resolve_type(aliases, type), True))
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add_text(' }}')
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add_text('')
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for name, type in message['vars'].items():
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add_text(' {} {};', resolve_type(primitives, type), name)
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add_text(' }};')
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def print_protocol():
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with open('protocol.hjson') as message_file:
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message_scheme = hjson.load(message_file)
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print_states(message_scheme['states'])
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add_text('')
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print_messages(
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message_scheme['messages']['serverbound'],
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message_scheme['types']['aliases'],
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message_scheme['types']['primitives'],
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True)
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add_text('#pragma once')
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add_text('')
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add_text('#include <cstdint>')
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add_text('')
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add_text('namespace Feather::Messages')
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add_text('{{')
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print_protocol()
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add_text('}}')
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print(text) |