perfect_dark/port/src/net/netmsg.c

#include <string.h>
#include <stdio.h>
#include "types.h"
#include "data.h"
#include "bss.h"
#include "lib/main.h"
#include "lib/mtx.h"
#include "lib/model.h"
#include "game/mplayer/mplayer.h"
#include "game/chr.h"
#include "game/chraction.h"
#include "game/prop.h"
#include "game/propobj.h"
#include "game/player.h"
#include "game/playermgr.h"
#include "game/bondgun.h"
#include "game/game_0b0fd0.h"
#include "game/inv.h"
#include "game/menu.h"
#include "game/setup.h"
#include "game/setuputils.h"
#include "game/modelmgr.h"
#include "game/propsnd.h"
#include "system.h"
#include "console.h"
#include "net/net.h"
#include "net/netbuf.h"
#include "net/netmsg.h"

extern u64 g_RngSeed;
extern u64 g_Rng2Seed;

/* utils */

static inline u32 netbufWriteRooms(struct netbuf *buf, const s16 *rooms, const s32 num)
{
	for (s32 i = 0; i < num; ++i) {
		netbufWriteS16(buf, rooms[i]);
		if (rooms[i] < 0) {
			break;
		}
	}
	return buf->error;
}

static inline u32 netbufReadRooms(struct netbuf *buf, s16 *rooms, const s32 num)
{
	for (s32 i = 0; i < num; ++i) {
		rooms[i] = netbufReadS16(buf);
		if (rooms[i] < 0) {
			break;
		}
	}
	return buf->error;
}

static inline u32 netbufWriteGset(struct netbuf *buf, const struct gset *gset)
{
	netbufWriteData(buf, gset, sizeof(*gset));
	return buf->error;
}

static inline u32 netbufReadGset(struct netbuf *buf, struct gset *gset)
{
	netbufReadData(buf, gset, sizeof(*gset));
	return buf->error;
}

static inline u32 netbufWritePlayerMove(struct netbuf *buf, const struct netplayermove *in)
{
	netbufWriteU32(buf, in->tick);
	netbufWriteU32(buf, in->ucmd);
	netbufWriteF32(buf, in->leanofs);
	netbufWriteF32(buf, in->crouchofs);
	netbufWriteF32(buf, in->movespeed[0]);
	netbufWriteF32(buf, in->movespeed[1]);
	netbufWriteF32(buf, in->angles[0]);
	netbufWriteF32(buf, in->angles[1]);
	netbufWriteF32(buf, in->crosspos[0]);
	netbufWriteF32(buf, in->crosspos[1]);
	netbufWriteS8(buf, in->weaponnum);
	netbufWriteCoord(buf, &in->pos);
	return buf->error;
}

static inline u32 netbufReadPlayerMove(struct netbuf *buf, struct netplayermove *in)
{
	in->tick = netbufReadU32(buf);
	in->ucmd = netbufReadU32(buf);
	in->leanofs = netbufReadF32(buf);
	in->crouchofs = netbufReadF32(buf);
	in->movespeed[0] = netbufReadF32(buf);
	in->movespeed[1] = netbufReadF32(buf);
	in->angles[0] = netbufReadF32(buf);
	in->angles[1] = netbufReadF32(buf);
	in->crosspos[0] = netbufReadF32(buf);
	in->crosspos[1] = netbufReadF32(buf);
	in->weaponnum = netbufReadS8(buf);
	netbufReadCoord(buf, &in->pos);
	return buf->error;
}

static inline u32 netbufWritePropPtr(struct netbuf *buf, const struct prop *prop)
{
	netbufWriteU32(buf, prop ? prop->syncid : 0);
	return buf->error;
}

static inline struct prop *netbufReadPropPtr(struct netbuf *buf)
{
	const u32 syncid = netbufReadU32(buf);
	if (syncid == 0) {
		return NULL;
	}

	// TODO: make a map or something
	for (s32 i = 0; i < g_Vars.maxprops; ++i) {
		if (g_Vars.props[i].syncid == syncid) {
			return &g_Vars.props[i];
		}
	}

	sysLogPrintf(LOG_WARNING, "NET: prop with syncid %u does not exist", syncid);
	return NULL;
}

static inline s32 propRoomsEqual(const RoomNum *ra, const RoomNum *rb)
{
	for (s32 i = 0; i < 8; ++i) {
		if (ra[i] != rb[i]) {
			return 0;
		}
		if (ra[i] == -1) {
			break;
		}
	}
	return 1;
}

/* client -> server */

u32 netmsgClcAuthWrite(struct netbuf *dst)
{
	netbufWriteU8(dst, CLC_AUTH);
	netbufWriteU8(dst, 1); // TODO: number of local players
	netbufWriteU8(dst, g_NetLocalClient->settings.bodynum);
	netbufWriteU8(dst, g_NetLocalClient->settings.headnum);
	netbufWriteStr(dst, g_NetLocalClient->settings.name);
	return dst->error;
}

u32 netmsgClcAuthRead(struct netbuf *src, struct netclient *srccl)
{
	if (srccl->state != CLSTATE_AUTH) {
		sysLogPrintf(LOG_WARNING, "NET: CLC_AUTH from %s, who is not in CLSTATE_AUTH", netFormatClientAddr(srccl));
		return 1;
	}

	const u8 players = netbufReadU8(src);
	const u8 bodynum = netbufReadU8(src);
	const u8 headnum = netbufReadU8(src);
	char *name = netbufReadStr(src);
	if (src->error) {
		sysLogPrintf(LOG_WARNING, "NET: malformed CLC_AUTH from %s", netFormatClientAddr(srccl));
		return 1;
	}

	strncpy(srccl->settings.name, name, sizeof(srccl->settings.name) - 1);
	srccl->settings.bodynum = bodynum;
	srccl->settings.headnum = headnum;
	srccl->state = CLSTATE_LOBBY;

	sysLogPrintf(LOG_NOTE, "NET: CLC_AUTH from %s (%s), responding", netFormatClientAddr(srccl), srccl->settings.name);

	netbufStartWrite(&srccl->out);
	netmsgSvcAuthWrite(&srccl->out, srccl);
	netSend(srccl, NULL, true);

	sysLogPrintf(LOG_CHAT, "NET: %s (client %u) joined", srccl->settings.name, srccl->id);

	return 0;
}

u32 netmsgClcChatWrite(struct netbuf *dst, const char *str)
{
	netbufWriteU8(dst, CLC_CHAT);
	netbufWriteStr(dst, str);
	return dst->error;
}

u32 netmsgClcChatRead(struct netbuf *src, struct netclient *srccl)
{
	char tmp[1024];
	const char *msg = netbufReadStr(src);
	if (msg && !src->error) {
		sysLogPrintf(LOG_CHAT, msg);
		netbufStartWrite(&g_NetMsgRel);
		netmsgSvcChatWrite(&g_NetMsgRel, msg);
		netSend(NULL, &g_NetMsgRel, true);
	}
	return src->error;
}

u32 netmsgClcMoveWrite(struct netbuf *dst)
{
	netbufWriteU8(dst, CLC_MOVE);
	netbufWriteU32(dst, g_NetLocalClient->inmove[0].tick);
	netbufWritePlayerMove(dst, &g_NetLocalClient->outmove[0]);
	return dst->error;
}

u32 netmsgClcMoveRead(struct netbuf *src, struct netclient *srccl)
{
	struct netplayermove newmove;
	const u32 outmoveack = netbufReadU32(src);
	netbufReadPlayerMove(src, &newmove);

	if (srccl->state != CLSTATE_GAME) {
		// silently ignore
		return src->error;
	}

	srccl->outmoveack = outmoveack;

	if (!src->error) {
		// enforce teleports and such
		if (srccl->forcetick && srccl->player) {
			if (srccl->outmoveack >= srccl->forcetick) {
				// client has acknowledged our last sent move, clear the force flags
				srccl->forcetick = 0;
				srccl->player->ucmd &= ~UCMD_FL_FORCEMASK;
				sysLogPrintf(LOG_NOTE, "NET: client %u successfully forcemoved", srccl->id);
			} else {
				// client hasn't teleported yet, discard the new position from the input command
				if (srccl->player->ucmd & UCMD_FL_FORCEPOS) {
					newmove.pos = srccl->player->prop->pos;
				}
				if (srccl->player->ucmd & UCMD_FL_FORCEANGLE) {
					newmove.angles[0] = srccl->player->vv_theta;
					newmove.angles[1] = srccl->player->vv_verta;
				}
			}
		}
		// make space in the move stack
		memmove(srccl->inmove + 1, srccl->inmove, sizeof(srccl->inmove) - sizeof(*srccl->inmove));
		srccl->inmove[0] = newmove;
		srccl->lerpticks = 0;
	}

	return src->error;
}

/* server -> client */

u32 netmsgSvcAuthWrite(struct netbuf *dst, struct netclient *authcl)
{
	netbufWriteU8(dst, SVC_AUTH);
	netbufWriteU8(dst, authcl - g_NetClients);
	netbufWriteU8(dst, g_NetMaxClients);
	netbufWriteU32(dst, g_NetTick);
	return dst->error;
}

u32 netmsgSvcAuthRead(struct netbuf *src, struct netclient *srccl)
{
	if (g_NetLocalClient->state != CLSTATE_AUTH) {
		sysLogPrintf(LOG_WARNING, "NET: SVC_AUTH from server but we're not in AUTH state");
		return 1;
	}

	const u8 id = netbufReadU8(src);
	const u8 maxclients = netbufReadU8(src);
	g_NetTick = netbufReadU32(src);
	if (g_NetLocalClient->in.error || id == NET_NULL_CLIENT || id == 0 || maxclients == 0) {
		sysLogPrintf(LOG_WARNING, "NET: malformed SVC_AUTH from server");
		return 1;
	}

	sysLogPrintf(LOG_NOTE, "NET: SVC_AUTH from server, our ID is %u", id);

	// there's at least one client, which is us, and we know maxclients as well
	g_NetMaxClients = maxclients;
	g_NetNumClients = 1;

	// we now know our proper ID, so move to the appropriate client slot and reset the old one
	g_NetLocalClient = &g_NetClients[id];
	g_NetClients[id] = g_NetClients[NET_MAX_CLIENTS];
	g_NetLocalClient->out.data = g_NetLocalClient->out_data;
	g_NetLocalClient->id = id;

	// clear out the old slot
	g_NetClients[NET_MAX_CLIENTS].id = NET_MAX_CLIENTS;
	g_NetClients[NET_MAX_CLIENTS].state = 0;
	g_NetClients[NET_MAX_CLIENTS].peer = NULL;

	// the server's client probably is in the lobby state by now
	g_NetClients[0].state = CLSTATE_LOBBY;

	g_NetLocalClient->state = CLSTATE_LOBBY;

	return src->error;
}

u32 netmsgSvcChatWrite(struct netbuf *dst, const char *str)
{
	netbufWriteU8(dst, SVC_CHAT);
	netbufWriteStr(dst, str);
	return dst->error;
}

u32 netmsgSvcChatRead(struct netbuf *src, struct netclient *srccl)
{
	char tmp[1024];
	const char *msg = netbufReadStr(src);
	if (msg && !src->error) {
		sysLogPrintf(LOG_CHAT, msg);
	}
	return src->error;
}

u32 netmsgSvcStageStartWrite(struct netbuf *dst)
{
	netbufWriteU8(dst, SVC_STAGE_START);

	netbufWriteU32(dst, g_NetTick);

	netbufWriteU64(dst, g_RngSeed);
	netbufWriteU64(dst, g_Rng2Seed);

	netbufWriteU8(dst, g_StageNum);

	if (g_StageNum == STAGE_TITLE || g_StageNum == STAGE_CITRAINING) {
		// going back to lobby, don't need anything else
		return dst->error;
	}

	// game settings
	netbufWriteU8(dst, 0); // 0 for combat sim TODO: coop/anti
	netbufWriteU8(dst, g_MpSetup.scenario);
	netbufWriteU8(dst, g_MpSetup.scorelimit);
	netbufWriteU8(dst, g_MpSetup.timelimit);
	netbufWriteU16(dst, g_MpSetup.teamscorelimit);
	netbufWriteU16(dst, g_MpSetup.chrslots);
	netbufWriteU32(dst, g_MpSetup.options);
	netbufWriteData(dst, g_MpSetup.weapons, sizeof(g_MpSetup.weapons));

	// who the fuck is in the game
	netbufWriteU8(dst, g_NetNumClients);
	for (s32 i = 0; i < g_NetMaxClients; ++i) {
		struct netclient *ncl = &g_NetClients[i];
		if (ncl->state) {
			netbufWriteU8(dst, ncl->id);
			netbufWriteU8(dst, ncl->settings.bodynum);
			netbufWriteU8(dst, ncl->settings.headnum);
			netbufWriteStr(dst, ncl->settings.name);
			memset(ncl->inmove, 0, sizeof(ncl->inmove));
			memset(ncl->outmove, 0, sizeof(ncl->outmove));
			ncl->lerpticks = 0;
			ncl->outmoveack = 0;
			ncl->state = CLSTATE_GAME;
		}
	}

	return dst->error;
}

u32 netmsgSvcStageStartRead(struct netbuf *src, struct netclient *srccl)
{
	if (srccl->state != CLSTATE_LOBBY) {
		sysLogPrintf(LOG_WARNING, "NET: SVC_STAGE from server but we're not in LOBBY state");
		return 1;
	}

	g_NetTick = netbufReadU32(src);

	g_RngSeed = netbufReadU64(src);
	g_Rng2Seed = netbufReadU64(src);

	const u8 stagenum = netbufReadU8(src);

	if (stagenum == STAGE_TITLE || stagenum == STAGE_CITRAINING) {
		// server went back to lobby, we don't really care
		return src->error;
	}

	const u8 mode = netbufReadU8(src); // TODO: coop, anti
	g_MpSetup.stagenum = stagenum;
	g_MpSetup.scenario = netbufReadU8(src);
	g_MpSetup.scorelimit = netbufReadU8(src);
	g_MpSetup.timelimit = netbufReadU8(src);
	g_MpSetup.teamscorelimit = netbufReadU16(src);
	g_MpSetup.chrslots = netbufReadU16(src);
	g_MpSetup.options = netbufReadU32(src);
	netbufReadData(src, g_MpSetup.weapons, sizeof(g_MpSetup.weapons));
	strcpy(g_MpSetup.name, "server");

	if (src->error) {
		sysLogPrintf(LOG_WARNING, "NET: malformed SVC_STAGE from server");
		return 1;
	}

	// read players
	const u8 numplayers = netbufReadU8(src);
	if (src->error || !numplayers || numplayers > g_NetMaxClients + 1) {
		sysLogPrintf(LOG_WARNING, "NET: malformed SVC_STAGE from server");
		return 2;
	}

	for (u8 i = 0; i < numplayers; ++i) {
		const u8 id = netbufReadU8(src);
		struct netclient *ncl = &g_NetClients[id];
		if (ncl != g_NetLocalClient) {
			ncl->id = id;
			ncl->settings.bodynum = netbufReadU8(src);
			ncl->settings.headnum = netbufReadU8(src);
			char *name = netbufReadStr(src);
			if (name) {
				strncpy(ncl->settings.name, name, sizeof(ncl->settings.name) - 1);
			} else {
				sysLogPrintf(LOG_WARNING, "NET: malformed SVC_STAGE from server");
				return 3;
			}
		} else {
			// skip our own settings
			netbufReadU8(src);
			netbufReadU8(src);
			netbufReadStr(src);
		}
		ncl->state = CLSTATE_GAME;
		ncl->player = NULL;
	}

	if (src->error) {
		return src->error;
	}

	g_NetNumClients = numplayers;

	sysLogPrintf(LOG_NOTE, "NET: SVC_STAGE from server: going to stage 0x%02x with %u players", g_MpSetup.stagenum, numplayers);

	mpStartMatch();
	menuStop();

	return 0;
}

u32 netmsgSvcStageEndWrite(struct netbuf *dst)
{
	netbufWriteU8(dst, SVC_STAGE_END);

	for (s32 i = 0; i < g_NetMaxClients; ++i) {
		struct netclient *ncl = &g_NetClients[i];
		if (ncl->state) {
			ncl->state = CLSTATE_LOBBY;
			ncl->playernum = 0;
			if (ncl->player) {
				ncl->player->client = NULL;
				ncl->player->isremote = false;
				ncl->player = NULL;
			}
			if (ncl->config) {
				ncl->config->client = NULL;
				ncl->config = NULL;
			}
		}
	}

	return dst->error;
}

u32 netmsgSvcStageEndRead(struct netbuf *src, struct netclient *srccl)
{
	for (s32 i = 0; i < g_NetMaxClients; ++i) {
		struct netclient *ncl = &g_NetClients[i];
		if (ncl->state) {
			ncl->state = CLSTATE_LOBBY;
			ncl->player = NULL;
			ncl->config = NULL;
		}
	}

	mainEndStage();

	return src->error;
}

u32 netmsgSvcPlayerMoveWrite(struct netbuf *dst, struct netclient *movecl)
{
	if (movecl->state < CLSTATE_GAME || !movecl->player || !movecl->player->prop) {
		return dst->error;
	}

	netbufWriteU8(dst, SVC_PLAYER_MOVE);
	netbufWriteU8(dst, movecl->id);
	netbufWriteU32(dst, movecl->inmove[0].tick);
	netbufWritePlayerMove(dst, &movecl->outmove[0]);
	if (movecl->outmove[0].ucmd & UCMD_FL_FORCEMASK) {
		netbufWriteRooms(dst, movecl->player->prop->rooms, ARRAYCOUNT(movecl->player->prop->rooms));
	}

	return dst->error;
}

u32 netmsgSvcPlayerMoveRead(struct netbuf *src, struct netclient *srccl)
{
	if (srccl->state != CLSTATE_GAME) {
		sysLogPrintf(LOG_WARNING, "NET: SVC_PLAYER_MOVE from server but we're not in GAME state");
		return 1;
	}

	u8 id = 0;
	u32 outmoveack = 0;
	struct netplayermove newmove;
	RoomNum newrooms[8] = { -1 };

	id = netbufReadU8(src);
	outmoveack = netbufReadU32(src);
	netbufReadPlayerMove(src, &newmove);
	if (newmove.ucmd & UCMD_FL_FORCEMASK) {
		netbufReadRooms(src, newrooms, ARRAYCOUNT(newrooms));
	}

	if (src->error) {
		return src->error;
	}

	struct netclient *movecl = &g_NetClients[id];

	// make space in the move stack
	memmove(movecl->inmove + 1, movecl->inmove, sizeof(movecl->inmove) - sizeof(*movecl->inmove));
	movecl->inmove[0] = newmove;
	movecl->outmoveack = outmoveack;
	movecl->lerpticks = 0;

	if (movecl == g_NetLocalClient && (newmove.ucmd & UCMD_FL_FORCEMASK)) {
		// server wants to teleport us
		if (movecl->player && movecl->player->prop) {
			chrSetPos(movecl->player->prop->chr, &newmove.pos, newrooms, newmove.angles[0], (newmove.ucmd & UCMD_FL_FORCEGROUND) != 0);
		}
	}

	return src->error;
}

u32 netmsgSvcPlayerStatsWrite(struct netbuf *dst, struct netclient *actcl)
{
	if (actcl->state < CLSTATE_GAME || !actcl->player || !actcl->player->prop) {
		return dst->error;
	}
	const struct player *pl = actcl->player;
	const u8 flags = (pl->isdead != 0) | (pl->gunctrl.dualwielding << 1) |
		(pl->hands[0].inuse << 2) | (pl->hands[1].inuse << 3);
	netbufWriteU8(dst, SVC_PLAYER_STATS);
	netbufWriteU8(dst, actcl->id);
	netbufWriteU8(dst, flags);
	netbufWriteS8(dst, pl->gunctrl.weaponnum);
	netbufWriteF32(dst, pl->prop->chr->damage);
	netbufWriteF32(dst, pl->bondhealth);
	netbufWriteF32(dst, pl->prop->chr->cshield);
	netbufWriteCoord(dst, &pl->bondshotspeed);

	for (s32 i = 0; i < 2; ++i) {
		if (pl->hands[i].inuse) {
			netbufWriteS16(dst, pl->hands[i].loadedammo[0]);
			netbufWriteS16(dst, pl->hands[i].loadedammo[1]);
		}
	}

	// assemble a bitmask of all non-zero ammo entries below 32
	u32 mask = 0;
	for (u32 i = 0; i < 32; ++i) {
		if (pl->ammoheldarr[i]) {
			mask |= (1 << i);
		}
	}

	netbufWriteU32(dst, mask);

	// write all entries that are non-zero or have index above 32
	for (s32 i = 0; i < ARRAYCOUNT(pl->ammoheldarr); ++i) {
		if (pl->ammoheldarr[i] || i >= 32) {
			netbufWriteS16(dst, pl->ammoheldarr[i]);
		}
	}

	return dst->error;
}

u32 netmsgSvcPlayerStatsRead(struct netbuf *src, struct netclient *srccl)
{
	const u8 clid = netbufReadU8(src);
	const u8 flags = netbufReadU8(src);
	const s8 newweaponnum = netbufReadS8(src);
	const f32 newdamage = netbufReadF32(src);
	const f32 newhealth = netbufReadF32(src);
	const f32 newshield = netbufReadF32(src);
	struct coord newshotspeed; netbufReadCoord(src, &newshotspeed);
	const bool handused[2] = { (flags & (1 << 2)) != 0, (flags & (1 << 3)) != 0 };

	if (src->error) {
		return src->error;
	}

	struct netclient *actcl = g_NetClients + clid;
	struct player *pl = actcl->player;
	if (!pl || !pl->prop) {
		return src->error;
	}

	pl->prop->chr->damage = newdamage;
	pl->prop->chr->cshield = newshield;
	pl->bondhealth = newhealth;
	pl->bondshotspeed = newshotspeed;

	for (s32 i = 0; i < 2; ++i) {
		if (handused[i]) {
			pl->hands[i].loadedammo[0] = netbufReadS16(src);
			pl->hands[i].loadedammo[1] = netbufReadS16(src);
		}
	}

	const u32 ammomask = netbufReadU32(src);
	for (s32 i = 0; i < ARRAYCOUNT(pl->ammoheldarr); ++i) {
		if (i >= 32 || (ammomask & (1 << i))) {
			pl->ammoheldarr[i] = netbufReadS16(src);
		} else {
			pl->ammoheldarr[i] = 0;
		}
	}

	const s32 prevplayernum = g_Vars.currentplayernum;
	setCurrentPlayerNum(actcl->playernum);

	const bool newisdead = (flags & (1 << 0)) != 0;
	if (!pl->isdead && newisdead) {
		s16 shooter;
		if (pl->prop->chr->lastshooter >= 0 && pl->prop->chr->timeshooter > 0) {
			shooter = pl->prop->chr->lastshooter;
		} else {
			shooter = g_Vars.currentplayernum;
		}
		playerDieByShooter(shooter, true);
	} else if (pl->isdead && !newisdead) {
		playerStartNewLife();
	}

	const bool dualwielding = (flags & (1 << 1)) != 0;
	if (!pl->isdead && (newweaponnum != pl->gunctrl.weaponnum || dualwielding != pl->gunctrl.dualwielding)) {
		bgunEquipWeapon(newweaponnum);
		pl->gunctrl.dualwielding = dualwielding;
	}

	setCurrentPlayerNum(prevplayernum);

	return src->error;
}

u32 netmsgSvcPropMoveWrite(struct netbuf *dst, struct prop *prop, struct coord *initrot)
{
	u8 flags = (prop->obj != NULL);

	struct projectile *projectile = NULL;
	if (prop->obj) {
		if (prop->obj->hidden & OBJHFLAG_EMBEDDED) {
			projectile = prop->obj->embedment->projectile;
		} else if (prop->obj->hidden & OBJHFLAG_PROJECTILE) {
			projectile = prop->obj->projectile;
		}
		if (projectile) {
			flags |= (1 << 1);
			if (initrot) {
				flags |= (1 << 2);
			}
			if (prop->obj->type == OBJTYPE_HOVERPROP || prop->obj->type == OBJTYPE_HOVERBIKE) {
				flags |= (1 << 3);
			}
		}
	}

	netbufWriteU8(dst, SVC_PROP_MOVE);
	netbufWriteU8(dst, flags);
	netbufWritePropPtr(dst, prop);
	netbufWriteCoord(dst, &prop->pos);
	netbufWriteRooms(dst, prop->rooms, ARRAYCOUNT(prop->rooms));
	if (projectile) {
		netbufWriteCoord(dst, &projectile->speed);
		netbufWriteF32(dst, projectile->unk0dc);
		netbufWriteU32(dst, projectile->flags);
		netbufWriteS8(dst, projectile->bouncecount);
		netbufWritePropPtr(dst, projectile->ownerprop);
		if (initrot) {
			netbufWriteCoord(dst, initrot);
		}
		if (prop->obj->type == OBJTYPE_HOVERPROP || prop->obj->type == OBJTYPE_HOVERBIKE) {
			netbufWriteF32(dst, projectile->unk08c);
			netbufWriteF32(dst, projectile->unk098);
			netbufWriteF32(dst, projectile->unk0e0);
			netbufWriteF32(dst, projectile->unk0e4);
			netbufWriteF32(dst, projectile->unk0ec);
			netbufWriteF32(dst, projectile->unk0f0);
		}
	}

	return dst->error;
}

u32 netmsgSvcPropMoveRead(struct netbuf *src, struct netclient *srccl)
{
	const u8 flags = netbufReadU8(src);
	struct prop *prop = netbufReadPropPtr(src);
	struct coord pos; netbufReadCoord(src, &pos);
	RoomNum rooms[8] = { -1 }; netbufReadRooms(src, rooms, ARRAYCOUNT(rooms));

	if (src->error || !prop) {
		return src->error;
	}

	prop->pos = pos;

	if (!propRoomsEqual(rooms, prop->rooms)) {
		if (prop->active) {
			propDeregisterRooms(prop);
		}
		roomsCopy(rooms, prop->rooms);
		if (prop->active) {
			propRegisterRooms(prop);
		}
	}

	if (!(flags & (1 << 0))) {
		return src->error;
	}

	if (!prop->obj) {
		sysLogPrintf(LOG_WARNING, "NET: SVC_PROP_MOVE: prop %u should have an obj, but doesn't", prop->syncid);
		return 1;
	}

	if (!(flags & (1 << 1))) {
		return src->error;
	}

	// create a projectile for this prop if it isn't already there
	func0f0685e4(prop);

	struct projectile *projectile = NULL;
	if (prop->obj->hidden & OBJHFLAG_EMBEDDED) {
		projectile = prop->obj->embedment->projectile;
	} else if (prop->obj->hidden & OBJHFLAG_PROJECTILE) {
		projectile = prop->obj->projectile;
	}

	if (!projectile) {
		sysLogPrintf(LOG_WARNING, "NET: SVC_PROP_MOVE: prop %u should have a projectile, but doesn't", prop->syncid);
		return 1;
	}

	netbufReadCoord(src, &projectile->speed);
	projectile->unk0dc = netbufReadF32(src);
	projectile->flags = netbufReadU32(src);
	projectile->bouncecount = netbufReadS8(src);
	projectile->ownerprop = netbufReadPropPtr(src);

	if (flags & (1 << 2)) {
		struct coord initrot; netbufReadCoord(src, &initrot);
		mtx4LoadRotation(&initrot, &projectile->mtx);
	}

	if (flags & (1 << 3)) {
		projectile->unk08c = netbufReadF32(src);
		projectile->unk098 = netbufReadF32(src);
		projectile->unk0e0 = netbufReadF32(src);
		projectile->unk0e4 = netbufReadF32(src);
		projectile->unk0ec = netbufReadF32(src);
		projectile->unk0f0 = netbufReadF32(src);
	}

	return src->error;
}

u32 netmsgSvcPropSpawnWrite(struct netbuf *dst, struct prop *prop)
{
	const u8 msgflags = (prop->active != 0) | ((prop->obj != NULL) << 1) | ((prop->forcetick != 0) << 2);
	const u8 objtype = prop->obj ? prop->obj->type : 0;

	netbufWriteU8(dst, SVC_PROP_SPAWN);
	netbufWriteU8(dst, msgflags);
	netbufWriteU32(dst, prop->syncid);
	netbufWriteCoord(dst, &prop->pos);
	netbufWriteRooms(dst, prop->rooms, ARRAYCOUNT(prop->rooms));
	netbufWritePropPtr(dst, prop->parent);
	netbufWriteU8(dst, prop->type);
	netbufWriteU8(dst, objtype);
	netbufWriteU8(dst, prop->flags);

	switch (prop->type) {
		case PROPTYPE_WEAPON:
			// dropped gun or projectile
			netbufWriteS16(dst, prop->weapon->base.modelnum);
			netbufWriteU8(dst, prop->weapon->weaponnum);
			netbufWriteS8(dst, prop->weapon->unk5d);
			netbufWriteS8(dst, prop->weapon->unk5e);
			netbufWriteU8(dst, prop->weapon->gunfunc);
			netbufWriteS16(dst, prop->weapon->timer240);
			break;
		case PROPTYPE_OBJ:
			// we already send most of the important obj stuff below, so
			netbufWriteS16(dst, prop->obj->modelnum);
			if (objtype == OBJTYPE_AUTOGUN) {
				// thrown laptop probably
				struct autogunobj *autogun = (struct autogunobj *)prop->obj;
				const u8 ownerplayernum = (prop->obj->hidden & 0xf0000000) >> 28;
				netbufWriteU8(dst, autogun->ammoquantity);
				netbufWriteU8(dst, autogun->firecount);
				netbufWriteU8(dst, g_Vars.players[ownerplayernum]->client->id);
			}
			break;
		default:
			break;
	}

	if (prop->obj) {
		netbufWriteU32(dst, prop->obj->flags);
		netbufWriteU32(dst, prop->obj->flags2);
		netbufWriteU32(dst, prop->obj->flags3);
		netbufWriteU32(dst, prop->obj->hidden);
		netbufWriteU8(dst, prop->obj->hidden2);
		netbufWriteU16(dst, prop->obj->extrascale);
		for (s32 i = 0; i < 3; ++i) {
			for (s32 j = 0; j < 3; ++j) {
				netbufWriteF32(dst, prop->obj->realrot[i][j]);
			}
		}
		if ((prop->obj->hidden & OBJHFLAG_PROJECTILE) && prop->obj->projectile) {
			netbufWritePropPtr(dst, prop->obj->projectile->ownerprop);
			netbufWriteU32(dst, prop->obj->projectile->flags);
			netbufWriteS32(dst, prop->obj->projectile->pickuptimer240);
			netbufWriteF32(dst, prop->obj->projectile->unk08c);
			netbufWriteS16(dst, prop->obj->projectile->droptype);
			netbufWriteMtxf(dst, &prop->obj->projectile->mtx);
		}
	}

	return dst->error;
}

u32 netmsgSvcPropSpawnRead(struct netbuf *src, struct netclient *srccl)
{
	const u8 msgflags = netbufReadU8(src);
	const u32 syncid = netbufReadU32(src);
	struct coord pos; netbufReadCoord(src, &pos);
	RoomNum rooms[8] = { -1 }; netbufReadRooms(src, rooms, ARRAYCOUNT(rooms));
	struct prop *parent = netbufReadPropPtr(src);
	const u8 type = netbufReadU8(src);
	const u8 objtype = netbufReadU8(src);
	const u8 propflags = netbufReadU8(src);

	if (src->error) {
		return src->error;
	}

	struct prop *prop = (type == PROPTYPE_OBJ && objtype == OBJTYPE_AUTOGUN) ? NULL : propAllocate();

	if (type == PROPTYPE_WEAPON) {
		const s16 modelnum = netbufReadS16(src);
		const u8 weaponnum = netbufReadU8(src);
		const s8 unk5d = netbufReadS8(src);
		const s8 unk5e = netbufReadS8(src);
		const u8 gunfunc = netbufReadU8(src);
		const s16 timer240 = netbufReadS16(src);
		setupLoadModeldef(modelnum);
		struct modeldef *modeldef = g_ModelStates[modelnum].modeldef;
		struct model *model = modelmgrInstantiateModelWithoutAnim(modeldef);
		struct weaponobj *weapon = weaponCreate(prop == NULL, model == NULL, modeldef);
		struct weaponobj tmp = {
			256,                    // extrascale
			0,                      // hidden2
			OBJTYPE_WEAPON,         // type
			0,                      // modelnum
			-1,                     // pad
			OBJFLAG_FALL,           // flags
			0,                      // flags2
			0,                      // flags3
			NULL,                   // prop
			NULL,                   // model
			1, 0, 0,                // realrot
			0, 1, 0,
			0, 0, 1,
			0,                      // hidden
			NULL,                   // geo
			NULL,                   // projectile
			0,                      // damage
			1000,                   // maxdamage
			0xff, 0xff, 0xff, 0x00, // shadecol
			0xff, 0xff, 0xff, 0x00, // nextcol
			0x0fff,                 // floorcol
			0,                      // tiles
			0,                      // weaponnum
			0,                      // unk5d
			0,                      // unk5e
			0,                      // gunfunc
			0,                      // fadeouttimer60
			-1,                     // dualweaponnum
			-1,                     // timer240
			NULL,                   // dualweapon
		};
		*weapon = tmp;
		weapon->base.modelnum = modelnum;
		weapon->weaponnum = weaponnum;
		weapon->unk5d = unk5d;
		weapon->unk5e = unk5e;
		weapon->gunfunc = gunfunc;
		weapon->timer240 = timer240;
		prop = func0f08adc8(weapon, modeldef, prop, model);
	} else if (type == PROPTYPE_OBJ) {
		const s16 modelnum = netbufReadS16(src);
		if (objtype == OBJTYPE_AUTOGUN) {
			// thrown laptop?
			const u8 ammocount = netbufReadU8(src);
			const u8 firecount = netbufReadU8(src);
			const u8 clid = netbufReadU8(src);
			struct chrdata *ownerchr = g_NetClients[clid].player->prop->chr;
			struct autogunobj *obj = laptopDeploy(modelnum, NULL, ownerchr);
			prop = obj->base.prop;
		}
	}

	if (prop) {
		prop->type = type;
		prop->syncid = syncid;
		prop->pos = pos;
		prop->forcetick = (msgflags & (1 << 2)) != 0;
		// prop->flags = propflags;
		roomsCopy(rooms, prop->rooms);
		propRegisterRooms(prop);
		if (msgflags & (1 << 0)) {
			propActivate(prop);
		} else {
			propPause(prop);
		}
		if (propflags & PROPFLAG_ENABLED) {
			propEnable(prop);
		} else {
			propDisable(prop);
		}
		if (parent) {
			propReparent(prop, parent);
		}
	} else {
		sysLogPrintf(LOG_WARNING, "NET: no prop allocated when spawning prop %u (%u)", syncid, type);
		return src->error;
	}

	if (msgflags & (1 << 1)) {
		const u32 flags = netbufReadU32(src);
		const u32 flags2 = netbufReadU32(src);
		const u32 flags3 = netbufReadU32(src);
		u32 hidden = netbufReadU32(src);
		const u8 hidden2 = netbufReadU8(src);
		const u16 extrascale = netbufReadU16(src);
		for (s32 i = 0; i < 3; ++i) {
			for (s32 j = 0; j < 3; ++j) {
				prop->obj->realrot[i][j] = netbufReadF32(src);
			}
		}
		if (prop->obj) {
			if (hidden & OBJHFLAG_PROJECTILE) {
				func0f0685e4(prop);
				prop->obj->projectile->ownerprop = netbufReadPropPtr(src);
				prop->obj->projectile->flags = netbufReadU32(src);
				prop->obj->projectile->pickuptimer240 = netbufReadS32(src);
				prop->obj->projectile->unk08c = netbufReadF32(src);
				prop->obj->projectile->droptype = netbufReadS16(src);
				netbufReadMtxf(src, &prop->obj->projectile->mtx);
				if (prop->obj->projectile->flags & PROJECTILEFLAG_00000002) {
					// this is a thrown projectile, play throw sound
					psCreate(NULL, prop, SFX_THROW, -1, -1, 0, 0, PSTYPE_NONE, NULL, -1, NULL, -1, -1, -1, -1);
				}
			}
			// swap owner player numbers to match server
			u8 ownerplayernum = (hidden & 0xf0000000) >> 28;
			ownerplayernum = g_NetClients[ownerplayernum].playernum;
			hidden = (hidden & 0x0fffffff) | (ownerplayernum << 28);
			prop->obj->flags = flags;
			prop->obj->flags2 = flags2;
			prop->obj->flags3 = flags3;
			prop->obj->hidden = hidden;
			prop->obj->hidden2 = hidden2;
			prop->obj->extrascale = extrascale;
			if (prop->obj->model) {
				modelSetScale(prop->obj->model, prop->obj->model->scale * ((f32)extrascale / 256.f));
			}
		}
	}

	return src->error;
}

u32 netmsgSvcPropDamageWrite(struct netbuf *dst, struct prop *prop, f32 damage, struct coord *pos, s32 weaponnum, s32 playernum)
{
	if (!prop || !prop->obj) {
		return dst->error;
	}
	netbufWriteU8(dst, SVC_PROP_DAMAGE);
	netbufWritePropPtr(dst, prop);
	netbufWriteCoord(dst, pos);
	netbufWriteF32(dst, prop->obj->damage);
	netbufWriteF32(dst, damage);
	netbufWriteS8(dst, weaponnum);
	netbufWriteS8(dst, playernum);
	netbufWriteU32(dst, prop->obj->hidden);
	return dst->error;
}

u32 netmsgSvcPropDamageRead(struct netbuf *src, struct netclient *srccl)
{
	struct prop *prop = netbufReadPropPtr(src);
	struct coord pos; netbufReadCoord(src, &pos);
	const f32 damagepre = netbufReadF32(src);
	const f32 damage = netbufReadF32(src);
	const s8 weaponnum = netbufReadS8(src);
	const s8 playernum = netbufReadS8(src);
	const u32 hidden = netbufReadU32(src);
	if (prop && prop->obj && prop->type != PROPTYPE_PLAYER && prop->type != PROPTYPE_CHR && !src->error) {
		prop->obj->damage = damagepre;
		prop->obj->hidden = hidden;
		objDamage(prop->obj, -damage, &pos, weaponnum, playernum);
	}
	return src->error;
}

u32 netmsgSvcPropPickupWrite(struct netbuf *dst, struct netclient *actcl, struct prop *prop, const s32 tickop)
{
	netbufWriteU8(dst, SVC_PROP_PICKUP);
	netbufWriteU8(dst, actcl->id);
	netbufWriteS8(dst, tickop);
	netbufWritePropPtr(dst, prop);
	return dst->error;
}

u32 netmsgSvcPropPickupRead(struct netbuf *src, struct netclient *srccl)
{
	const u8 clid = netbufReadU8(src);
	const s8 tickop = netbufReadS8(src);
	struct prop *prop = netbufReadPropPtr(src);
	if (src->error || !prop) {
		return 1;
	}

	struct netclient *actcl = g_NetClients + clid;

	const s32 prevplayernum = g_Vars.currentplayernum;
	setCurrentPlayerNum(actcl->playernum);

	propPickupByPlayer(prop, true);
	if (tickop != TICKOP_NONE) {
		propExecuteTickOperation(prop, tickop);
	}

	setCurrentPlayerNum(prevplayernum);

	return src->error;
}

u32 netmsgSvcPropUseWrite(struct netbuf *dst, struct prop *prop, struct netclient *usercl, const s32 tickop)
{
	netbufWriteU8(dst, SVC_PROP_USE);
	netbufWritePropPtr(dst, prop);
	netbufWriteU8(dst, usercl->id);
	netbufWriteS8(dst, tickop);
	return dst->error;
}

u32 netmsgSvcPropUseRead(struct netbuf *src, struct netclient *srccl)
{
	struct prop *prop = netbufReadPropPtr(src);
	const u8 clid = netbufReadU8(src);
	const s8 tickop = netbufReadS8(src);

	if (!prop) {
		return src->error;
	}

	struct netclient *actcl = &g_NetClients[clid];

	const s32 prevplayernum = g_Vars.currentplayernum;
	setCurrentPlayerNum(actcl->playernum);

	s32 ownop;
	switch (prop->type) {
		case PROPTYPE_OBJ:
		case PROPTYPE_WEAPON:
			ownop = propobjInteract(prop);
			break;
		default:
			// NOTE: doors are handled with SVC_PROP_DOOR
			// TODO: eventually remove this message completely
			ownop = TICKOP_NONE;
			break;
	}

	propExecuteTickOperation(prop, tickop);

	setCurrentPlayerNum(prevplayernum);

	return src->error;
}

u32 netmsgSvcPropDoorWrite(struct netbuf *dst, struct prop *prop, struct netclient *usercl)
{
	if (prop->type != PROPTYPE_DOOR || !prop->door) {
		return dst->error;
	}

	struct doorobj *door = prop->door;

	netbufWriteU8(dst, SVC_PROP_DOOR);
	netbufWritePropPtr(dst, prop);
	netbufWriteU8(dst, usercl ? usercl->id : NET_NULL_CLIENT);
	netbufWriteS8(dst, door->mode);
	netbufWriteU32(dst, door->base.flags);
	netbufWriteU32(dst, door->base.hidden);

	return dst->error;
}

u32 netmsgSvcPropDoorRead(struct netbuf *src, struct netclient *srccl)
{
	struct prop *prop = netbufReadPropPtr(src);
	const u8 clid = netbufReadU8(src);
	const s8 doormode = netbufReadS8(src);
	const u32 flags = netbufReadU32(src);
	const u32 hidden = netbufReadU32(src);

	struct netclient *actcl = (clid == NET_NULL_CLIENT) ? NULL : &g_NetClients[clid];

	if (!prop) {
		return src->error;
	}

	if (!prop->door || prop->type != PROPTYPE_DOOR) {
		sysLogPrintf(LOG_WARNING, "NET: SVC_PROP_DOOR: prop %u should be a door, but isn't", prop->syncid);
		return src->error;
	}

	const s32 prevplayernum = g_Vars.currentplayernum;
	if (actcl) {
		setCurrentPlayerNum(actcl->playernum);
	}

	doorSetMode(prop->door, doormode);
	prop->door->base.hidden = hidden;
	prop->door->base.flags = flags;

	if (actcl) {
		setCurrentPlayerNum(prevplayernum);
	}

	return src->error;
}

u32 netmsgSvcChrDamageWrite(struct netbuf *dst, struct chrdata *chr, f32 damage, struct coord *vector, struct gset *gset,
		struct prop *aprop, s32 hitpart, bool damageshield, struct prop *prop2, s32 side, s16 *arg11, bool explosion, struct coord *explosionpos)
{
	const u8 flags = damageshield | (explosion << 1) | ((gset != NULL) << 2) |
		((aprop != NULL) << 3) | ((prop2 != NULL) << 4) | ((arg11 != NULL) << 5) | ((explosionpos != NULL) << 6);

	netbufWriteU8(dst, SVC_CHR_DAMAGE);
	netbufWriteU8(dst, flags);
	netbufWritePropPtr(dst, chr->prop);
	netbufWriteF32(dst, damage);
	netbufWriteCoord(dst, vector);
	netbufWriteS16(dst, hitpart);
	netbufWriteS16(dst, side);
	if (gset) {
		netbufWriteGset(dst, gset);
	}
	if (aprop) {
		netbufWritePropPtr(dst, aprop);
	}
	if (prop2) {
		netbufWritePropPtr(dst, prop2);
	}
	if (arg11) {
		netbufWriteS16(dst, arg11[0]);
		netbufWriteS16(dst, arg11[1]);
		netbufWriteS16(dst, arg11[2]);
	}
	if (explosionpos) {
		netbufWriteCoord(dst, explosionpos);
	}

	return dst->error;
}

u32 netmsgSvcChrDamageRead(struct netbuf *src, struct netclient *srccl)
{
	const u8 flags = netbufReadU8(src);
	struct prop *chrprop = netbufReadPropPtr(src);
	const f32 damage = netbufReadF32(src);
	struct coord vector; netbufReadCoord(src, &vector);
	const s16 hitpart = netbufReadS16(src);
	const s16 side = netbufReadS16(src);

	struct gset gsetvalue;
	struct gset *gset = NULL;
	if (flags & (1 << 2)) {
		netbufReadGset(src, &gsetvalue);
		gset = &gsetvalue;
	}

	struct prop *aprop = (flags & (1 << 3)) ? netbufReadPropPtr(src) : NULL;
	struct prop *prop2 = (flags & (1 << 4)) ? netbufReadPropPtr(src) : NULL;

	s16 arg11[3], *arg11ptr = NULL;
	if (flags & (1 << 5)) {
		arg11[0] = netbufReadS16(src);
		arg11[1] = netbufReadS16(src);
		arg11[2] = netbufReadS16(src);
		arg11ptr = arg11;
	}

	struct coord explosionpos, *explosionposptr = NULL;
	if (flags & (1 << 6)) {
		netbufReadCoord(src, &explosionpos);
		explosionposptr = &explosionpos;
	}

	if (src->error) {
		return src->error;
	}

	const bool damageshield = (flags & (1 << 0)) != 0;
	const bool explosion = (flags & (1 << 1)) != 0;

	const s32 prevplayernum = g_Vars.currentplayernum;
	if (chrprop->type == PROPTYPE_PLAYER) {
		setCurrentPlayerNum(playermgrGetPlayerNumByProp(chrprop));
	}

	chrDamage(chrprop->chr, damage, &vector, gset, aprop, hitpart, damageshield, prop2, NULL, NULL, side, arg11ptr, explosion, explosionposptr);

	if (chrprop->type == PROPTYPE_PLAYER) {
		setCurrentPlayerNum(prevplayernum);
	}

	return src->error;
}

u32 netmsgSvcChrDisarmWrite(struct netbuf *dst, struct chrdata *chr, struct prop *aprop, u8 weaponnum, f32 wpndamage, struct coord *wpnpos)
{
	netbufWriteU8(dst, SVC_CHR_DISARM);
	netbufWritePropPtr(dst, chr->prop);
	netbufWritePropPtr(dst, aprop);
	netbufWriteU8(dst, weaponnum);
	netbufWriteF32(dst, wpndamage);
	if (wpndamage > 0.f && wpnpos) {
		netbufWriteCoord(dst, wpnpos);
	}
	return dst->error;
}

u32 netmsgSvcChrDisarmRead(struct netbuf *src, struct netclient *srccl)
{
	struct prop *chrprop = netbufReadPropPtr(src);
	struct prop *aprop = netbufReadPropPtr(src);
	const u8 weaponnum = netbufReadU8(src);
	const f32 weapondmg = netbufReadF32(src);
	struct coord pos = { 0.f, 0.f, 0.f };

	if (src->error) {
		return src->error;
	}

	if (!chrprop || !chrprop->chr) {
		return 1;
	}

	struct chrdata *chr = chrprop->chr;

	if (chrprop->type == PROPTYPE_CHR) {
		return src->error;
	}

	if (weapondmg > 0.f) {
		// someone shot a grenade the chr is holding, explode that shit
		netbufReadCoord(src, &pos);
		struct weaponobj *weapon = NULL;
		if (chr->weapons_held[0] && chr->weapons_held[0]->weapon) {
			weapon = chr->weapons_held[0]->weapon;
		} else if (chr->weapons_held[1] && chr->weapons_held[1]->weapon) {
			weapon = chr->weapons_held[1]->weapon;
		} else {
			sysLogPrintf(LOG_WARNING, "NET: trying to explode chr %u's gun, but there's no gun", chrprop->syncid);
			return src->error;
		}
		objSetDropped(chrprop, DROPTYPE_DEFAULT);
		chr->hidden |= CHRHFLAG_DROPPINGITEM;
		objDamage(&weapon->base, -weapondmg, &pos, weaponnum, g_Vars.currentplayernum);
		return src->error;
	}

	const s32 prevplayernum = g_Vars.currentplayernum;
	setCurrentPlayerNum(playermgrGetPlayerNumByProp(chrprop));

	struct player *player = g_Vars.currentplayer;

	if (weaponHasFlag(weaponnum, WEAPONFLAG_UNDROPPABLE) || weaponnum > WEAPON_RCP45 || weaponnum <= WEAPON_UNARMED) {
		setCurrentPlayerNum(prevplayernum);
		return src->error;
	}

	if (weaponnum == WEAPON_RCP120) {
		player->devicesactive &= ~DEVICE_CLOAKRCP120;
	}

	if (weaponnum == WEAPON_CLOAKINGDEVICE) {
		player->devicesactive &= ~DEVICE_CLOAKDEVICE;
	}

	weaponDeleteFromChr(chr, HAND_RIGHT);
	weaponDeleteFromChr(chr, HAND_LEFT);

	invRemoveItemByNum(weaponnum);

	player->hands[1].state = HANDSTATE_IDLE;
	player->hands[1].ejectstate = EJECTSTATE_INIT;
	player->hands[1].ejecttype = EJECTTYPE_GUN;
	player->hands[0].ejectstate = EJECTSTATE_INIT;
	player->hands[0].ejecttype = EJECTTYPE_GUN;
	player->hands[0].state = HANDSTATE_IDLE;

	if (player->visionmode == VISIONMODE_SLAYERROCKET) {
		struct weaponobj *rocket = g_Vars.currentplayer->slayerrocket;
		if (rocket && rocket->base.prop) {
			rocket->timer240 = 0;
		}
		player->visionmode = VISIONMODE_NORMAL;
	}

	bgunEquipWeapon2(HAND_RIGHT, WEAPON_UNARMED);
	bgunEquipWeapon2(HAND_LEFT, WEAPON_NONE);

	setCurrentPlayerNum(prevplayernum);

	return src->error;
}