/*
* This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
* It is copyright by its individual contributors, as recorded in the
* project's Git history. See COPYING.txt at the top level for license
* terms and a link to the Git history.
*/
#pragma once
#include <type_traits>
#include "dxxerror.h"
#include "object.h"
#include "powerup.h"
#include "serial.h"
#include "fwd-player.h"
#define _UNPACK_MULTIPLAYER_SERIAL_MESSAGE(A,...) A, ## __VA_ARGS__
#define DEFINE_MULTIPLAYER_SERIAL_MESSAGE(C,T,V,A) \
DEFINE_SERIAL_UDT_TO_MESSAGE(T,V, (multiplayer_command<C>(), _UNPACK_MULTIPLAYER_SERIAL_MESSAGE A)); \
ASSERT_SERIAL_UDT_MESSAGE_SIZE(T, command_length<C>::value)
#define define_multiplayer_command(NAME,SIZE) NAME,
#if defined(DXX_BUILD_DESCENT_I) || defined(DXX_BUILD_DESCENT_II)
#define for_each_multiplayer_command(VALUE) \
VALUE(MULTI_POSITION , 1 + quaternionpos::packed_size::value) \
VALUE(MULTI_REAPPEAR , 4) \
VALUE(MULTI_FIRE , 18) \
VALUE(MULTI_FIRE_TRACK , 21) \
VALUE(MULTI_FIRE_BOMB , 20) \
VALUE(MULTI_REMOVE_OBJECT , 4) \
VALUE(MULTI_MESSAGE , 37) /* (MAX_MESSAGE_LENGTH = 40) */ \
VALUE(MULTI_QUIT , 2) \
VALUE(MULTI_PLAY_SOUND , 8) \
VALUE(MULTI_CONTROLCEN , 4) \
VALUE(MULTI_ROBOT_CLAIM , 5) \
VALUE(MULTI_CLOAK , 2) \
VALUE(MULTI_ENDLEVEL_START , DXX_MP_SIZE_ENDLEVEL_START) \
VALUE(MULTI_CREATE_EXPLOSION , 2) \
VALUE(MULTI_CONTROLCEN_FIRE , 16) \
VALUE(MULTI_CREATE_POWERUP , 19) \
VALUE(MULTI_DECLOAK , 2) \
VALUE(MULTI_ROBOT_POSITION , 5 + quaternionpos::packed_size::value) \
VALUE(MULTI_PLAYER_DERES , DXX_MP_SIZE_PLAYER_RELATED) \
VALUE(MULTI_DOOR_OPEN , DXX_MP_SIZE_DOOR_OPEN) \
VALUE(MULTI_ROBOT_EXPLODE , 7) \
VALUE(MULTI_ROBOT_RELEASE , 5) \
VALUE(MULTI_ROBOT_FIRE , 18) \
VALUE(MULTI_SCORE , 6) \
VALUE(MULTI_CREATE_ROBOT , 6) \
VALUE(MULTI_TRIGGER , 3) \
VALUE(MULTI_BOSS_TELEPORT , 5) \
VALUE(MULTI_BOSS_CLOAK , 3) \
VALUE(MULTI_BOSS_START_GATE , 3) \
VALUE(MULTI_BOSS_STOP_GATE , 3) \
VALUE(MULTI_BOSS_CREATE_ROBOT , 8) \
VALUE(MULTI_CREATE_ROBOT_POWERUPS, 27) \
VALUE(MULTI_HOSTAGE_DOOR , 7) \
VALUE(MULTI_SAVE_GAME , 2+24) /* (ubyte slot, uint id, char name[20]) */ \
VALUE(MULTI_RESTORE_GAME , 2+4) /* (ubyte slot, uint id) */ \
VALUE(MULTI_HEARTBEAT , 5) \
VALUE(MULTI_KILLGOALS , 1 + MAX_PLAYERS) \
VALUE(MULTI_DO_BOUNTY , 2) \
VALUE(MULTI_TYPING_STATE , 3) \
VALUE(MULTI_GMODE_UPDATE , 3) \
VALUE(MULTI_KILL_HOST , 7) \
VALUE(MULTI_KILL_CLIENT , 5) \
VALUE(MULTI_RANK , 3) \
VALUE(MULTI_DROP_WEAPON , 10) \
VALUE(MULTI_PLAYER_INV , DXX_MP_SIZE_PLAYER_INVENTORY) \
D2X_MP_COMMANDS(VALUE) \
#if defined(DXX_BUILD_DESCENT_I)
#define DXX_MP_SIZE_ENDLEVEL_START 3
#define DXX_MP_SIZE_PLAYER_RELATED 58
#define DXX_MP_SIZE_PLAYER_INVENTORY 15
#define DXX_MP_SIZE_BEGIN_SYNC 37
#define DXX_MP_SIZE_DOOR_OPEN 4
#define D2X_MP_COMMANDS(VALUE)
#elif defined(DXX_BUILD_DESCENT_II)
#define DXX_MP_SIZE_ENDLEVEL_START 2
#define DXX_MP_SIZE_PLAYER_RELATED (97+10)
#define DXX_MP_SIZE_PLAYER_INVENTORY 21
#define DXX_MP_SIZE_BEGIN_SYNC 41
#define DXX_MP_SIZE_DOOR_OPEN 5
#define D2X_MP_COMMANDS(VALUE) \
VALUE(MULTI_MARKER , 55) \
VALUE(MULTI_GUIDED , 26) \
VALUE(MULTI_STOLEN_ITEMS , 1 + std::tuple_size<decltype(d_thief_unique_state::Stolen_items)>::value) \
VALUE(MULTI_WALL_STATUS , 6) /* send to new players */ \
VALUE(MULTI_SEISMIC , 5) \
VALUE(MULTI_LIGHT , 16) \
VALUE(MULTI_START_TRIGGER , 2) \
VALUE(MULTI_FLAGS , 6) \
VALUE(MULTI_DROP_BLOB , 2) \
VALUE(MULTI_SOUND_FUNCTION , 4) \
VALUE(MULTI_CAPTURE_BONUS , 2) \
VALUE(MULTI_GOT_FLAG , 2) \
VALUE(MULTI_DROP_FLAG , 8) \
VALUE(MULTI_FINISH_GAME , 2) \
VALUE(MULTI_ORB_BONUS , 3) \
VALUE(MULTI_GOT_ORB , 2) \
VALUE(MULTI_EFFECT_BLOWUP , 17) \
VALUE(MULTI_VULWPN_AMMO_ADJ , 6) \
VALUE(MULTI_UPDATE_BUDDY_STATE, 7) \
#endif
#include "dxxsconf.h"
enum multiplayer_command_t : uint8_t
{
for_each_multiplayer_command(define_multiplayer_command)
};
template <multiplayer_command_t>
struct command_length;
#define define_command_length(NAME,SIZE) \
template <> \
struct command_length<NAME> : public std::integral_constant<unsigned, SIZE> {};
for_each_multiplayer_command(define_command_length);
template <multiplayer_command_t C>
struct multi_command : public std::array<uint8_t, command_length<C>::value>
{
};
void _multi_send_data(const uint8_t *buf, unsigned len, int priority);
template <multiplayer_command_t C>
static inline void multi_send_data(uint8_t *const buf, const unsigned len, const int priority)
{
buf[0] = C;
constexpr unsigned expected = command_length<C>::value;
#ifdef DXX_CONSTANT_TRUE
if (DXX_CONSTANT_TRUE(len != expected))
DXX_ALWAYS_ERROR_FUNCTION(dxx_trap_multi_send_data, "wrong packet size");
#endif
if (len != expected)
{
Error("multi_send_data: Packet type %i length: %i, expected: %i\n", C, len, expected);
}
_multi_send_data(buf, len, priority);
}
template <multiplayer_command_t C>
static inline void multi_send_data(multi_command<C> &buf, const int priority)
{
buf[0] = C;
_multi_send_data(buf.data(), buf.size(), priority);
}
template <typename T>
static inline void multi_serialize_read(const uint8_t *const buf, T &t)
{
serial::reader::bytebuffer_t b(buf);
serial::process_buffer(b, t);
}
template <typename T>
static inline void multi_serialize_write(int priority, const T &t)
{
constexpr size_t maximum_size = serial::message_type<T>::maximum_size;
uint8_t buf[maximum_size];
serial::writer::bytebuffer_t b(buf);
serial::process_buffer(b, t);
_multi_send_data(buf, maximum_size, priority);
}
template <multiplayer_command_t C>
using multiplayer_command = serial::pad<1, static_cast<uint8_t>(C)>;
#endif