161 lines
5.7 KiB
C++
161 lines
5.7 KiB
C++
/*
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* This file is part of the DXX-Rebirth project <http://www.dxx-rebirth.com/>.
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* It is copyright by its individual contributors, as recorded in the
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* project's Git history. See COPYING.txt at the top level for license
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* terms and a link to the Git history.
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*/
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#pragma once
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#include "dxxerror.h"
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#include "object.h"
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#include "powerup.h"
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#include "serial.h"
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#define _UNPACK_MULTIPLAYER_SERIAL_MESSAGE(A,...) A, ## __VA_ARGS__
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#define DEFINE_MULTIPLAYER_SERIAL_MESSAGE(C,T,V,A) \
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DEFINE_SERIAL_UDT_TO_MESSAGE(T,V, (multiplayer_command<C>(), _UNPACK_MULTIPLAYER_SERIAL_MESSAGE A)); \
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ASSERT_SERIAL_UDT_MESSAGE_SIZE(T, command_length<C>::value)
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#define define_multiplayer_command(NAME,SIZE) NAME,
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#if defined(DXX_BUILD_DESCENT_I) || defined(DXX_BUILD_DESCENT_II)
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#define for_each_multiplayer_command(VALUE) \
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VALUE(MULTI_POSITION , 25) \
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VALUE(MULTI_REAPPEAR , 4) \
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VALUE(MULTI_FIRE , 18) \
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VALUE(MULTI_FIRE_TRACK , 21) \
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VALUE(MULTI_FIRE_BOMB , 20) \
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VALUE(MULTI_KILL , 5) \
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VALUE(MULTI_REMOVE_OBJECT , 4) \
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VALUE(MULTI_MESSAGE , 37) /* (MAX_MESSAGE_LENGTH = 40) */ \
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VALUE(MULTI_QUIT , 2) \
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VALUE(MULTI_PLAY_SOUND , 4) \
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VALUE(MULTI_CONTROLCEN , 4) \
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VALUE(MULTI_ROBOT_CLAIM , 5) \
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VALUE(MULTI_CLOAK , 2) \
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VALUE(MULTI_ENDLEVEL_START , 3) \
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VALUE(MULTI_CREATE_EXPLOSION , 2) \
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VALUE(MULTI_CONTROLCEN_FIRE , 16) \
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VALUE(MULTI_CREATE_POWERUP , 19) \
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VALUE(MULTI_DECLOAK , 2) \
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VALUE(MULTI_ROBOT_POSITION , 5+sizeof(shortpos)) \
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VALUE(MULTI_PLAYER_DERES , DXX_MP_SIZE_PLAYER_RELATED) \
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VALUE(MULTI_DOOR_OPEN , DXX_MP_SIZE_DOOR_OPEN) \
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VALUE(MULTI_ROBOT_EXPLODE , 7) \
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VALUE(MULTI_ROBOT_RELEASE , 5) \
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VALUE(MULTI_ROBOT_FIRE , 18) \
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VALUE(MULTI_SCORE , 6) \
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VALUE(MULTI_CREATE_ROBOT , 6) \
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VALUE(MULTI_TRIGGER , 3) \
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VALUE(MULTI_BOSS_TELEPORT , 5) \
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VALUE(MULTI_BOSS_CLOAK , 3) \
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VALUE(MULTI_BOSS_START_GATE , 3) \
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VALUE(MULTI_BOSS_STOP_GATE , 3) \
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VALUE(MULTI_BOSS_CREATE_ROBOT , 8) \
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VALUE(MULTI_CREATE_ROBOT_POWERUPS, 27) \
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VALUE(MULTI_HOSTAGE_DOOR , 7) \
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VALUE(MULTI_SAVE_GAME , 2+24) /* (ubyte slot, uint id, char name[20]) */ \
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VALUE(MULTI_RESTORE_GAME , 2+4) /* (ubyte slot, uint id) */ \
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VALUE(MULTI_HEARTBEAT , 5) \
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VALUE(MULTI_KILLGOALS , 9) \
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VALUE(MULTI_POWCAP_UPDATE , MAX_POWERUP_TYPES+1) \
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VALUE(MULTI_DO_BOUNTY , 2) \
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VALUE(MULTI_TYPING_STATE , 3) \
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VALUE(MULTI_GMODE_UPDATE , 3) \
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VALUE(MULTI_KILL_HOST , 7) \
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VALUE(MULTI_KILL_CLIENT , 5) \
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VALUE(MULTI_RANK , 3) \
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D2X_MP_COMMANDS(VALUE) \
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#endif
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#if defined(DXX_BUILD_DESCENT_I)
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#define DXX_MP_SIZE_PLAYER_RELATED 58
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#define DXX_MP_SIZE_BEGIN_SYNC 37
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#define DXX_MP_SIZE_DOOR_OPEN 4
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#define D2X_MP_COMMANDS(VALUE)
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#elif defined(DXX_BUILD_DESCENT_II)
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#define DXX_MP_SIZE_PLAYER_RELATED (97+10)
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#define DXX_MP_SIZE_BEGIN_SYNC 41
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#define DXX_MP_SIZE_DOOR_OPEN 5
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#define D2X_MP_COMMANDS(VALUE) \
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VALUE(MULTI_MARKER , 55) \
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VALUE(MULTI_DROP_WEAPON , 10) \
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VALUE(MULTI_GUIDED , 3+sizeof(shortpos)) \
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VALUE(MULTI_STOLEN_ITEMS , 11) \
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VALUE(MULTI_WALL_STATUS , 6) /* send to new players */ \
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VALUE(MULTI_SEISMIC , 5) \
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VALUE(MULTI_LIGHT , 18) \
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VALUE(MULTI_START_TRIGGER , 2) \
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VALUE(MULTI_FLAGS , 6) \
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VALUE(MULTI_DROP_BLOB , 2) \
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VALUE(MULTI_SOUND_FUNCTION , 4) \
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VALUE(MULTI_CAPTURE_BONUS , 2) \
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VALUE(MULTI_GOT_FLAG , 2) \
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VALUE(MULTI_DROP_FLAG , 12) \
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VALUE(MULTI_FINISH_GAME , 2) \
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VALUE(MULTI_ORB_BONUS , 3) \
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VALUE(MULTI_GOT_ORB , 2) \
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VALUE(MULTI_EFFECT_BLOWUP , 17) \
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#endif
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#include "dxxsconf.h"
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#include "compiler-type_traits.h"
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enum multiplayer_command_t {
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for_each_multiplayer_command(define_multiplayer_command)
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};
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template <multiplayer_command_t>
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struct command_length;
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#define define_command_length(NAME,SIZE) \
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template <> \
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struct command_length<NAME> : public tt::integral_constant<unsigned, SIZE> {};
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for_each_multiplayer_command(define_command_length);
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void _multi_send_data(const ubyte *buf, unsigned len, int priority);
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template <multiplayer_command_t C>
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static inline void multi_send_data(ubyte *buf, unsigned len, int priority)
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{
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buf[0] = C;
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unsigned expected = command_length<C>::value;
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if (len != expected)
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{
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#ifdef DXX_HAVE_BUILTIN_CONSTANT_P
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/* Restate (len != expected) for <gcc-4.9. Otherwise it reports
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* failure on valid inputs.
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*/
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if (__builtin_constant_p(len != expected) && len != expected)
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DXX_ALWAYS_ERROR_FUNCTION(dxx_trap_multi_send_data, "wrong packet size");
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#endif
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Error("multi_send_data: Packet type %i length: %i, expected: %i\n", C, len, expected);
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}
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_multi_send_data(buf, len, priority);
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}
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template <typename T>
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static inline void multi_serialize_read(const ubyte *buf, T &t)
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{
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serial::reader::bytebuffer_t b(buf);
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serial::process_buffer(b, t);
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}
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template <typename T>
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static inline void multi_serialize_write(int priority, const T &t)
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{
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const size_t maximum_size = serial::message_type<T>::maximum_size;
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uint8_t buf[maximum_size];
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serial::writer::bytebuffer_t b(buf);
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serial::process_buffer(b, t);
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_multi_send_data(buf, maximum_size, priority);
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}
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template <multiplayer_command_t C>
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static inline decltype(serial::pad<1, static_cast<uint8_t>(C)>()) multiplayer_command()
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{
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static_assert(static_cast<uint8_t>(C) == static_cast<unsigned>(C), "command truncated");
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return serial::pad<1, static_cast<uint8_t>(C)>();
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}
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