Preserve Combat Simulator sim list after Co-Op/Counter-Op

port/src/pdmain.c

@@ -462,6 +462,9 @@ void mainLoop(void)
 		}
 
 		if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
+			if (g_MpSetup.chrslots & 0xfff0) {
+				g_MpSetup.storedbotbits = g_MpSetup.chrslots & 0xfff0;
+			}
 			g_MpSetup.chrslots = 0x03;
 			mpReset();
 		} else if (g_Vars.perfectbuddynum) {

src/game/menutick.c

@@ -286,6 +286,12 @@ void menuTick(void)
 
 		if (g_MenuData.root == MENUROOT_MPSETUP || g_MenuData.root == MENUROOT_4MBMAINMENU) {
 			if (g_MenuData.prevmenuroot == -1) {
+#ifndef PLATFORM_N64
+				if (g_MpSetup.storedbotbits) {
+					g_MpSetup.chrslots |= g_MpSetup.storedbotbits;
+					g_MpSetup.storedbotbits = 0;
+				}
+#endif
 				g_MpSetup.chrslots &= 0xfff0;
 			}
 

src/include/types.h

@@ -4107,6 +4107,11 @@ struct mpsetup {
 	/*0x800acba0*/ u8 weapons[NUM_MPWEAPONSLOTS];
 	/*0x800acba6*/ u8 paused;
 	/*0x800acba8*/ struct fileguid fileguid;
+#ifndef PLATFORM_N64
+	// Used to restore the non-player bits of chrslots upon entering Combat
+	// Simulator, after playing Co-Op/Counter-Op with a human sim.
+	u16 storedbotbits;
+#endif
 };
 
 struct bossfile {