port: net: fix dualwielding, probably; bump protocol version

port/include/net/net.h

@@ -5,7 +5,7 @@
 #include "constants.h"
 #include "net/netbuf.h"
 
-#define NET_PROTOCOL_VER 5
+#define NET_PROTOCOL_VER 6
 
 #define NET_MAX_CLIENTS MAX_PLAYERS
 #define NET_MAX_NAME MAX_PLAYERNAME
@@ -46,11 +46,12 @@
 #define UCMD_SQUAT (1 << 5)
 #define UCMD_ZOOMIN (1 << 6)
 #define UCMD_SELECT (1 << 7)
-#define UCMD_EYESSHUT (1 << 8)
-#define UCMD_SECONDARY (1 << 9)
+#define UCMD_SELECT_DUAL (1 << 8)
+#define UCMD_EYESSHUT (1 << 9)
+#define UCMD_SECONDARY (1 << 10)
 #define UCMD_RESPAWN (1 << 27)
 #define UCMD_CHAT (1 << 28)
-#define UCMD_IMPORTANT_MASK (UCMD_FIRE | UCMD_ACTIVATE | UCMD_RELOAD | UCMD_AIMMODE | UCMD_SELECT)
+#define UCMD_IMPORTANT_MASK (UCMD_FIRE | UCMD_ACTIVATE | UCMD_RELOAD | UCMD_AIMMODE | UCMD_SELECT | UCMD_SELECT_DUAL)
 #define UCMD_FL_FORCEPOS (1 << 29)
 #define UCMD_FL_FORCEANGLE (1 << 30)
 #define UCMD_FL_FORCEGROUND (1 << 31)

port/src/net/net.c

@@ -208,6 +208,13 @@ static inline void netClientRecordMove(struct netclient *cl, const struct player
 		move->weaponnum = -1;
 	}
 
+	if (pl->gunctrl.dualwielding) {
+		move->ucmd |= UCMD_SELECT_DUAL;
+		if ((move->ucmd ^ cl->outmove[1].ucmd) & UCMD_SELECT_DUAL) {
+			move->ucmd |= UCMD_SELECT;
+		}
+	}
+
 	const s32 oldnum = g_Vars.currentplayernum;
 	setCurrentPlayerNum(cl->playernum);
 

port/src/net/netmsg.c

@@ -686,8 +686,8 @@ u32 netmsgSvcPlayerStatsRead(struct netbuf *src, struct netclient *srccl)
 
 	const bool dualwielding = (flags & (1 << 1)) != 0;
 	if (!pl->isdead && (newweaponnum != pl->gunctrl.weaponnum || dualwielding != pl->gunctrl.dualwielding)) {
-		bgunEquipWeapon(newweaponnum);
 		pl->gunctrl.dualwielding = dualwielding;
+		bgunEquipWeapon(newweaponnum);
 	}
 
 	setCurrentPlayerNum(prevplayernum);
@@ -875,6 +875,7 @@ u32 netmsgSvcPropSpawnWrite(struct netbuf *dst, struct prop *prop)
 		netbufWriteU32(dst, prop->obj->hidden);
 		netbufWriteU8(dst, prop->obj->hidden2);
 		netbufWriteU16(dst, prop->obj->extrascale);
+		netbufWriteS16(dst, prop->obj->pad);
 		for (s32 i = 0; i < 3; ++i) {
 			for (s32 j = 0; j < 3; ++j) {
 				netbufWriteF32(dst, prop->obj->realrot[i][j]);
@@ -1019,6 +1020,7 @@ u32 netmsgSvcPropSpawnRead(struct netbuf *src, struct netclient *srccl)
 		u32 hidden = netbufReadU32(src);
 		const u8 hidden2 = netbufReadU8(src);
 		const u16 extrascale = netbufReadU16(src);
+		const s16 pad = netbufReadS16(src);
 		for (s32 i = 0; i < 3; ++i) {
 			for (s32 j = 0; j < 3; ++j) {
 				prop->obj->realrot[i][j] = netbufReadF32(src);
@@ -1059,6 +1061,7 @@ u32 netmsgSvcPropSpawnRead(struct netbuf *src, struct netclient *srccl)
 			prop->obj->hidden = hidden;
 			prop->obj->hidden2 = hidden2;
 			prop->obj->extrascale = extrascale;
+			prop->obj->pad = pad;
 			if (prop->obj->model) {
 				modelSetScale(prop->obj->model, prop->obj->model->scale * ((f32)extrascale / 256.f));
 			}

src/game/bondmove.c

@@ -149,7 +149,10 @@ static inline void bmoveProcessRemoteInput(const bool allowc1buttons)
 	pl->crosspos[1] = inmove->crosspos[1];
 
 	if (inmove->ucmd & UCMD_SELECT) {
-		bgunEquipWeapon(inmove->weaponnum);
+		pl->gunctrl.dualwielding = (inmove->ucmd & UCMD_SELECT_DUAL) != 0;
+		if (inmove->weaponnum >= 0) {
+			bgunEquipWeapon(inmove->weaponnum);
+		}
 	}
 
 	const bool fireguns = (inmove->ucmd & UCMD_FIRE) &&