diff --git a/src/game/bondwalk.c b/src/game/bondwalk.c
index cdfa78e7e..1d0853c06 100644
--- a/src/game/bondwalk.c
+++ b/src/game/bondwalk.c
@@ -475,11 +475,7 @@ bool bwalkCalculateNewPositionWithPush(struct coord *delta, f32 rotateamount, bo
 					}
 				} else if (chr->chrflags & CHRCFLAG_PUSHABLE) {
 					if (g_Vars.antiplayernum < 0
-#ifdef PLATFORM_N64
-							|| g_Vars.currentplayer != g_Vars.anti
-#else
-							|| g_Vars.currentplayer == g_Vars.bond
-#endif
+							|| PLAYER_IS_NOT_ANTI(g_Vars.currentplayer)
 							|| (chr->hidden & CHRHFLAG_ANTINONINTERACTABLE) == 0) {
 						canpush = true;
 					}
@@ -813,11 +809,7 @@ void bwalkUpdateVertical(void)
 	// Maybe reset counter-op's radius - not sure why
 	// Maybe it gets set to 0 when they die?
 	if (g_Vars.antiplayernum >= 0
-#ifdef PLATFORM_N64
-			&& g_Vars.currentplayer == g_Vars.anti
-#else
-			&& g_Vars.currentplayer != g_Vars.bond
-#endif
+			&& PLAYER_IS_ANTI(g_Vars.currentplayer)
 			&& g_Vars.currentplayer->bond2.radius != 30
 			&& cdTestVolume(&g_Vars.currentplayer->prop->pos, 30, g_Vars.currentplayer->prop->rooms, CDTYPE_ALL, CHECKVERTICAL_YES, ymax - g_Vars.currentplayer->prop->pos.y, ymin - g_Vars.currentplayer->prop->pos.y)) {
 		g_Vars.currentplayer->prop->chr->radius = 30;
diff --git a/src/game/chr.c b/src/game/chr.c
index 08817916a..8d6e20f9e 100644
--- a/src/game/chr.c
+++ b/src/game/chr.c
@@ -4662,7 +4662,7 @@ void chrHit(struct shotdata *shotdata, struct hit *hit)
 				hit->model, hit->hitthing.unk28 / 2, sp90);
 
 		if (g_Vars.antiplayernum >= 0
-				&& g_Vars.currentplayer == g_Vars.anti
+				&& PLAYER_IS_ANTI(g_Vars.currentplayer)
 				&& (chr->hidden & CHRHFLAG_ANTINONINTERACTABLE)) {
 			return;
 		}
diff --git a/src/game/chraction.c b/src/game/chraction.c
index bf35338b5..2b5bc41cb 100644
--- a/src/game/chraction.c
+++ b/src/game/chraction.c
@@ -4351,14 +4351,7 @@ void chrDamage(struct chrdata *chr, f32 damage, struct coord *vector, struct gse
 	// Don't damage if attacker was anti and chr is non-interactable by anti
 	if (g_Vars.antiplayernum >= 0
 			&& aprop
-
-#ifdef PLATFORM_N64
-			&& aprop == g_Vars.anti->prop
-#else
-			&& aprop->type == PROPTYPE_PLAYER
-			&& aprop != g_Vars.bond->prop
-#endif
-
+			&& PROP_IS_FOR_ANTI_PLAYER(aprop)
 			&& (chr->hidden & CHRHFLAG_ANTINONINTERACTABLE)) {
 		return;
 	}
@@ -4498,13 +4491,7 @@ void chrDamage(struct chrdata *chr, f32 damage, struct coord *vector, struct gse
 
 		// Anti shooting other enemies is lethal
 		if (aprop
-#ifdef PLATFORM_N64
-				&& aprop == g_Vars.anti->prop
-#else
-				&& aprop->type == PROPTYPE_PLAYER
-				&& aprop != g_Vars.bond->prop
-#endif
-
+				&& PROP_IS_FOR_ANTI_PLAYER(aprop)
 				&& vprop != g_Vars.bond->prop) {
 			damage *= 100;
 		}
@@ -8336,14 +8323,7 @@ void chrAlertOthersOfInjury(struct chrdata *chr, bool dying)
 	s32 numinrange = 0;
 	s32 numchrs = chrsGetNumSlots();
 
-	if (g_Vars.antiplayernum >= 0
-#ifdef PLATFORM_N64
-			&& chr->prop == g_Vars.anti->prop
-#else
-			&& chr->prop->type == PROPTYPE_PLAYER
-			&& chr->prop != g_Vars.bond->prop
-#endif
-			) {
+	if (g_Vars.antiplayernum >= 0 && PROP_IS_FOR_ANTI_PLAYER(chr->prop)) {
 		return;
 	}
 
@@ -13578,11 +13558,7 @@ void chraTickBg(void)
 
 				if (targetprop && (targetprop->type == PROPTYPE_CHR || targetprop->type == PROPTYPE_PLAYER)) {
 					if ((targetprop->type == PROPTYPE_PLAYER
-#ifdef PLATFORM_N64
-								&& !(g_Vars.antiplayernum >= 0 && g_Vars.anti && g_Vars.anti->prop == targetprop)
-#else
-								&& !(g_Vars.antiplayernum >= 0 && g_Vars.bond && g_Vars.bond->prop != targetprop)
-#endif
+								&& !(g_Vars.antiplayernum >= 0 && g_Vars.anti && PROP_IS_FOR_ANTI_PLAYER(targetprop))
 								&& chrCompareTeams(chr, targetprop->chr, COMPARE_ENEMIES))
 							|| CHRRACE(targetprop->chr) == RACE_EYESPY) {
 						s32 time60;
diff --git a/src/game/explosions.c b/src/game/explosions.c
index c7516f216..72d1877b5 100644
--- a/src/game/explosions.c
+++ b/src/game/explosions.c
@@ -847,7 +847,7 @@ void explosionInflictDamage(struct prop *expprop)
 						minfrac = (minfrac * 0.7f + 0.3f) * type->damage;
 
 						if (g_Vars.antiplayernum >= 0
-								&& g_Vars.antiplayernum == exp->owner
+								&& EXPLOSION_OWNER_IS_ANTI_PLAYER(exp->owner)
 								&& (obj->flags2 & OBJFLAG2_IMMUNETOANTI)) {
 							// anti cannot damage this obj
 						} else if (isfirstframe) {
@@ -997,8 +997,16 @@ void explosionInflictDamage(struct prop *expprop)
 						ownerprop = g_Vars.bond->prop;
 					} else if (g_Vars.coopplayernum >= 0 && exp->owner == g_Vars.coopplayernum) {
 						ownerprop = g_Vars.coop->prop;
-					} else if (g_Vars.antiplayernum >= 0 && exp->owner == g_Vars.antiplayernum) {
+					} else if (g_Vars.antiplayernum >= 0 && EXPLOSION_OWNER_IS_ANTI_PLAYER(exp->owner)) {
+#if PLATFORM_N64
 						ownerprop = g_Vars.anti->prop;
+#else
+						struct chrdata *ownerchr = mpGetChrFromPlayerIndex(exp->owner);
+
+						if (ownerchr) {
+							ownerprop = ownerchr->prop;
+						}
+#endif
 					}
 
 					chrDamageByExplosion(chr, minfrac, &spa0, ownerprop, &expprop->pos);
@@ -1212,8 +1220,12 @@ u32 explosionTick(struct prop *prop)
 
 			if (g_Vars.normmplayerisrunning) {
 				chr = mpGetChrFromPlayerIndex(exp->owner);
-			} else if (g_Vars.antiplayernum >= 0 && exp->owner == g_Vars.antiplayernum) {
+			} else if (g_Vars.antiplayernum >= 0 && EXPLOSION_OWNER_IS_ANTI_PLAYER(exp->owner)) {
+#if PLATFORM_N64
 				chr = g_Vars.anti->prop->chr;
+#else
+				chr = mpGetChrFromPlayerIndex(exp->owner);
+#endif
 			} else if (g_Vars.coopplayernum >= 0 && exp->owner == g_Vars.coopplayernum) {
 				chr = g_Vars.coop->prop->chr;
 			} else {
diff --git a/src/game/mplayer/mplayer.c b/src/game/mplayer/mplayer.c
index 6b27e3ad3..5cfb64141 100644
--- a/src/game/mplayer/mplayer.c
+++ b/src/game/mplayer/mplayer.c
@@ -1338,11 +1338,7 @@ Gfx *mpRenderModalText(Gfx *gdl)
 			&& g_Vars.currentplayer->redbloodfinished
 			&& g_Vars.currentplayer->deathanimfinished
 			&& !(g_Vars.coopplayernum >= 0 && ((g_Vars.bond->isdead && g_Vars.coop->isdead) || !g_Vars.currentplayer->coopcanrestart || g_InCutscene))
-#ifdef PLATFORM_N64
-			&& !(g_Vars.antiplayernum >= 0 && ((g_Vars.currentplayer != g_Vars.anti || g_InCutscene)))
-#else
-			&& !(g_Vars.antiplayernum >= 0 && ((g_Vars.currentplayer == g_Vars.bond || g_InCutscene)))
-#endif
+			&& !(g_Vars.antiplayernum >= 0 && ((PLAYER_IS_NOT_ANTI(g_Vars.currentplayer) || g_InCutscene)))
 			&& g_NumReasonsToEndMpMatch == 0) {
 		// Render "Press START" text
 		gdl = text0f153628(gdl);
diff --git a/src/game/player.c b/src/game/player.c
index 3366d0f69..87346e8b9 100644
--- a/src/game/player.c
+++ b/src/game/player.c
@@ -606,13 +606,7 @@ void playerStartNewLife(void)
 		if (cmd);
 		if (cmd);
 
-		if (g_Vars.antiplayernum < 0
-#ifdef PLATFORM_N64
-				|| g_Vars.currentplayer != g_Vars.anti
-#else
-				|| g_Vars.currentplayer == g_Vars.bond
-#endif
-				) {
+		if (g_Vars.antiplayernum < 0 || PLAYER_IS_NOT_ANTI(g_Vars.currentplayer)) {
 			while (cmd[0] != INTROCMD_END) {
 				switch (cmd[0]) {
 				case INTROCMD_SPAWN:
@@ -986,13 +980,7 @@ void playerSpawn(void)
 	}
 
 	if (g_Vars.mplayerisrunning) {
-		if (g_Vars.antiplayernum >= 0
-#ifdef PLATFORM_N64
-				&& g_Vars.currentplayer == g_Vars.anti
-#else
-				&& g_Vars.currentplayer != g_Vars.bond
-#endif
-				) {
+		if (g_Vars.antiplayernum >= 0 && PLAYER_IS_ANTI(g_Vars.currentplayer)) {
 			numsqdists = 0;
 			force = false;
 
@@ -1194,11 +1182,7 @@ void playerChooseBodyAndHead(s32 *bodynum, s32 *headnum, s32 *arg2)
 	bool solo;
 
 	if (g_Vars.antiplayernum >= 0
-#ifdef PLATFORM_N64
-			&& g_Vars.currentplayer == g_Vars.anti
-#else
-			&& g_Vars.currentplayer != g_Vars.bond
-#endif
+			&& PLAYER_IS_ANTI(g_Vars.currentplayer)
 			&& g_Vars.antiheadnum >= 0
 			&& g_Vars.antibodynum >= 0) {
 		*headnum = g_Vars.antiheadnum;
@@ -1530,11 +1514,7 @@ void playerTickChrBody(void)
 
 #if VERSION >= VERSION_NTSC_1_0
 		if (g_Vars.antiplayernum >= 0
-#ifdef PLATFORM_N64
-				&& g_Vars.currentplayer == g_Vars.anti
-#else
-				&& g_Vars.currentplayer != g_Vars.bond
-#endif
+				&& PLAYER_IS_ANTI(g_Vars.currentplayer)
 				&& g_Vars.currentplayer->vv_eyeheight > 159) {
 			g_Vars.currentplayer->vv_eyeheight = 159;
 		}
@@ -4733,13 +4713,7 @@ Gfx *playerRenderHud(Gfx *gdl)
 							chr->chrflags |= CHRCFLAG_HIDDEN;
 						}
 
-						if (g_Vars.antiplayernum >= 0
-#ifdef PLATFORM_N64
-								&& g_Vars.currentplayer == g_Vars.anti
-#else
-								&& g_Vars.currentplayer != g_Vars.bond
-#endif
-								) {
+						if (g_Vars.antiplayernum >= 0 && PLAYER_IS_ANTI(g_Vars.currentplayer)) {
 							// Anti
 #ifndef PLATFORM_N64
 							if (g_NetMode == NETMODE_SERVER && g_Vars.currentplayer->isremote) {
diff --git a/src/game/playerreset.c b/src/game/playerreset.c
index 1091ea2a6..6e3e79aa2 100644
--- a/src/game/playerreset.c
+++ b/src/game/playerreset.c
@@ -186,13 +186,7 @@ void playerReset(void)
 				cmd = (struct cmd32 *)((uintptr_t)cmd + 8);
 				break;
 			case INTROCMD_WEAPON:
-				if (cmd->param3 == 0
-#ifdef PLATFORM_N64
-						&& g_Vars.currentplayer != g_Vars.anti
-#else
-						&& (g_Vars.antiplayernum < 0 || g_Vars.currentplayer == g_Vars.bond)
-#endif
-						) {
+				if (cmd->param3 == 0 && PLAYER_IS_NOT_ANTI(g_Vars.currentplayer)) {
 
 					modelmgrLoadProjectileModeldefs(cmd->param1);
 
@@ -220,13 +214,7 @@ void playerReset(void)
 				cmd = (struct cmd32 *)((uintptr_t)cmd + 16);
 				break;
 			case INTROCMD_AMMO:
-				if (cmd->param3 == 0
-#ifdef PLATFORM_N64
-						&& g_Vars.currentplayer != g_Vars.anti
-#else
-						&& (g_Vars.antiplayernum < 0 || g_Vars.currentplayer == g_Vars.bond)
-#endif
-						) {
+				if (cmd->param3 == 0 && PLAYER_IS_NOT_ANTI(g_Vars.currentplayer)) {
 					bgunSetAmmoQuantity(cmd->param1, cmd->param2);
 				}
 				cmd = (struct cmd32 *)((uintptr_t)cmd + 16);
diff --git a/src/game/prop.c b/src/game/prop.c
index 7db390774..ff1e73e7a 100644
--- a/src/game/prop.c
+++ b/src/game/prop.c
@@ -2358,11 +2358,7 @@ void propsTestForPickup(void)
 
 	if (g_Vars.currentplayer->bondmovemode != MOVEMODE_CUTSCENE
 			&& !g_PlayerInvincible
-#ifdef PLATFORM_N64
-			&& g_Vars.currentplayer != g_Vars.anti
-#else
-			&& (g_Vars.antiplayernum < 0 || g_Vars.currentplayer == g_Vars.bond)
-#endif
+			&& PLAYER_IS_NOT_ANTI(g_Vars.currentplayer)
 			) {
 		roomsCopy(g_Vars.currentplayer->prop->rooms, allrooms);
 
diff --git a/src/game/propobj.c b/src/game/propobj.c
index aa3ed5893..dbc2540c4 100644
--- a/src/game/propobj.c
+++ b/src/game/propobj.c
@@ -9148,7 +9148,7 @@ void autogunTickShoot(struct prop *autogunprop)
 				// (ie. autogun is a Defense autogun or a thrown laptop)
 				if (g_Vars.normmplayerisrunning
 						|| (targetprop && (targetprop->type == PROPTYPE_CHR))
-						|| (g_Vars.antiplayernum >= 0 && targetprop && targetprop == g_Vars.anti->prop)) {
+						|| (g_Vars.antiplayernum >= 0 && targetprop && PROP_IS_FOR_ANTI_PLAYER(targetprop))) {
 					if (cdExamLos08(&gunpos, gunrooms, &hitpos, CDTYPE_ALL, GEOFLAG_BLOCK_SHOOT) == CDRESULT_COLLISION) {
 #if VERSION >= VERSION_PAL_FINAL
 						cdGetPos(&hitpos, 11480, "prop/propobj.c");
@@ -15943,11 +15943,7 @@ void objHit(struct shotdata *shotdata, struct hit *hit)
 	}
 
 	if (g_Vars.antiplayernum < 0
-#ifdef PLATFORM_N64
-			|| g_Vars.currentplayer != g_Vars.anti
-#else
-			|| g_Vars.currentplayer == g_Vars.bond
-#endif
+			|| PLAYER_IS_NOT_ANTI(g_Vars.currentplayer)
 			|| (obj->flags2 & OBJFLAG2_IMMUNETOANTI) == 0) {
 
 		if (hit->hitthing.texturenum != 10000) {
diff --git a/src/include/constants.h b/src/include/constants.h
index 571f09be8..3440de7c6 100644
--- a/src/include/constants.h
+++ b/src/include/constants.h
@@ -82,6 +82,18 @@
 #define PLAYERCOUNT()       1
 #endif
 
+#if MAX_LOCAL_PLAYERS > 2
+#define PLAYER_IS_ANTI(plr) (g_Vars.antiplayernum >= 0 && (plr) != g_Vars.bond)
+#define PLAYER_IS_NOT_ANTI(plr) (g_Vars.antiplayernum < 0 || (plr) == g_Vars.bond)
+#define PROP_IS_FOR_ANTI_PLAYER(plrprop) (g_Vars.antiplayernum >= 0 && g_Vars.anti && (plrprop)->type == PROPTYPE_PLAYER && (plrprop) != g_Vars.bond->prop)
+#define EXPLOSION_OWNER_IS_ANTI_PLAYER(expowner) (g_Vars.antiplayernum >= 0 && (expowner) != g_Vars.bondplayernum && mpGetChrFromPlayerIndex((expowner)) != NULL)
+#else
+#define PLAYER_IS_ANTI(plr) ((plr) == g_Vars.anti)
+#define PLAYER_IS_NOT_ANTI(plr) ((plr) != g_Vars.anti)
+#define PROP_IS_FOR_ANTI_PLAYER(plrprop) ((plrprop) == g_Vars.anti->prop)
+#define EXPLOSION_OWNER_IS_ANTI_PLAYER(expowner) ((expowner) == g_Vars.antiplayernum)
+#endif
+
 #define VALIDWEAPON()       (g_Vars.currentplayer->gunctrl.weaponnum >= WEAPON_UNARMED && g_Vars.currentplayer->gunctrl.weaponnum <= WEAPON_COMBATBOOST)
 #define FUNCISSEC()         (VALIDWEAPON() && (g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].gunfuncs[(g_Vars.currentplayer->gunctrl.weaponnum - 1) >> 3] & (1 << ((g_Vars.currentplayer->gunctrl.weaponnum - 1) & 7))))