From 4d8ea3a2d93f8b08a498cb2afd11721938f6c2e4 Mon Sep 17 00:00:00 2001
From: jiangzhengwenjz <jiangzhengwenjzw@qq.com>
Date: Sat, 21 Dec 2019 06:15:41 +0800
Subject: [PATCH] CanSpinTradeMon

---
 src/trade.c | 163 +++-------------------------------------------------
 1 file changed, 8 insertions(+), 155 deletions(-)

diff --git a/src/trade.c b/src/trade.c
index 91b514067a..6f5bf36039 100644
--- a/src/trade.c
+++ b/src/trade.c
@@ -2541,10 +2541,8 @@ int CanRegisterMonForTradingBoard(struct UnkLinkRfuStruct_02022B14Substruct rfuP
     return CANT_REGISTER_MON;
 }
 
-// r6/r7 flip. Ugh.
 // Spin Trade wasnt fully implemented, but this checks if a mon would be valid to Spin Trade
 // Unlike later generations, this version of Spin Trade isnt only for Eggs
-#ifdef NONMATCHING
 int CanSpinTradeMon(struct Pokemon *mon, u16 monIdx)
 {
     int i, version, versions, canTradeAnyMon, numMonsLeft;
@@ -2560,8 +2558,8 @@ int CanSpinTradeMon(struct Pokemon *mon, u16 monIdx)
         }
     }
 
-    canTradeAnyMon = TRUE;
     versions = 0;
+    canTradeAnyMon = TRUE;
     for (i = 0; i < GetLinkPlayerCount(); i++)
     {
         version = gLinkPlayers[i].version & 0xFF;
@@ -2581,11 +2579,14 @@ int CanSpinTradeMon(struct Pokemon *mon, u16 monIdx)
         struct LinkPlayer *player = &gLinkPlayers[i];
 
         // Does player not have National Dex
-        if (!(player->progressFlags & 0xF))
-            canTradeAnyMon = FALSE;
+        do
+        {
+            if (!(player->progressFlags & 0xF))
+                canTradeAnyMon = FALSE;
 
-        if (versions && (player->progressFlags / 16))
-            canTradeAnyMon = FALSE;
+            if (versions && (player->progressFlags / 16))
+                canTradeAnyMon = FALSE;
+        } while (0);
     }
 
     if (canTradeAnyMon == FALSE)
@@ -2611,154 +2612,6 @@ int CanSpinTradeMon(struct Pokemon *mon, u16 monIdx)
     else
         return CAN_TRADE_MON;
 }
-#else
-NAKED
-int CanSpinTradeMon(struct Pokemon *mon, u16 a1)
-{
-    asm_unified("push {r4-r7,lr}\n\
-	mov r7, r8\n\
-	push {r7}\n\
-	sub sp, 0x18\n\
-	adds r6, r0, 0\n\
-	lsls r1, 16\n\
-	lsrs r1, 16\n\
-	mov r8, r1\n\
-	movs r5, 0\n\
-	ldr r0, =gPlayerPartyCount\n\
-	ldrb r0, [r0]\n\
-	cmp r5, r0\n\
-	bge _0807A95A\n\
-	mov r4, sp\n\
-_0807A934:\n\
-	movs r0, 0x64\n\
-	muls r0, r5\n\
-	adds r0, r6, r0\n\
-	movs r1, 0x41\n\
-	bl GetMonData\n\
-	str r0, [r4]\n\
-	movs r1, 0xCE\n\
-	lsls r1, 1\n\
-	cmp r0, r1\n\
-	bne _0807A94E\n\
-	movs r0, 0\n\
-	str r0, [r4]\n\
-_0807A94E:\n\
-	adds r4, 0x4\n\
-	adds r5, 0x1\n\
-	ldr r0, =gPlayerPartyCount\n\
-	ldrb r0, [r0]\n\
-	cmp r5, r0\n\
-	blt _0807A934\n\
-_0807A95A:\n\
-	movs r7, 0\n\
-	movs r6, 0x1\n\
-	movs r5, 0\n\
-	ldr r4, =gLinkPlayers\n\
-	b _0807A980\n\
-	.pool\n\
-_0807A96C:\n\
-	ldrb r0, [r4]\n\
-	subs r0, 0x4\n\
-	cmp r0, 0x1\n\
-	bhi _0807A978\n\
-	movs r7, 0\n\
-	b _0807A97C\n\
-_0807A978:\n\
-	movs r0, 0x1\n\
-	orrs r7, r0\n\
-_0807A97C:\n\
-	adds r4, 0x1C\n\
-	adds r5, 0x1\n\
-_0807A980:\n\
-	bl GetLinkPlayerCount\n\
-	lsls r0, 24\n\
-	lsrs r0, 24\n\
-	cmp r5, r0\n\
-	blt _0807A96C\n\
-	movs r5, 0\n\
-	movs r4, 0\n\
-	b _0807A9B4\n\
-_0807A992:\n\
-	ldr r0, =gLinkPlayers\n\
-	adds r2, r4, r0\n\
-	ldrb r1, [r2, 0x10]\n\
-	movs r0, 0xF\n\
-	ands r0, r1\n\
-	cmp r0, 0\n\
-	bne _0807A9A2\n\
-	movs r6, 0\n\
-_0807A9A2:\n\
-	cmp r7, 0\n\
-	beq _0807A9B0\n\
-	ldrb r0, [r2, 0x10]\n\
-	lsrs r0, 4\n\
-	cmp r0, 0\n\
-	beq _0807A9B0\n\
-	movs r6, 0\n\
-_0807A9B0:\n\
-	adds r4, 0x1C\n\
-	adds r5, 0x1\n\
-_0807A9B4:\n\
-	bl GetLinkPlayerCount\n\
-	lsls r0, 24\n\
-	lsrs r0, 24\n\
-	cmp r5, r0\n\
-	blt _0807A992\n\
-	cmp r6, 0\n\
-	bne _0807A9EA\n\
-	mov r1, r8\n\
-	lsls r0, r1, 2\n\
-	mov r1, sp\n\
-	adds r4, r1, r0\n\
-	ldrh r0, [r4]\n\
-	bl IsSpeciesInHoennDex\n\
-	cmp r0, 0\n\
-	bne _0807A9E0\n\
-	movs r0, 0x2\n\
-	b _0807AA1A\n\
-	.pool\n\
-_0807A9E0:\n\
-	ldr r0, [r4]\n\
-	cmp r0, 0\n\
-	bne _0807A9EA\n\
-	movs r0, 0x3\n\
-	b _0807AA1A\n\
-_0807A9EA:\n\
-	movs r2, 0\n\
-	movs r5, 0\n\
-	ldr r0, =gPlayerPartyCount\n\
-	ldrb r0, [r0]\n\
-	cmp r2, r0\n\
-	bge _0807AA0A\n\
-	adds r3, r0, 0\n\
-	mov r1, sp\n\
-_0807A9FA:\n\
-	cmp r8, r5\n\
-	beq _0807AA02\n\
-	ldr r0, [r1]\n\
-	adds r2, r0\n\
-_0807AA02:\n\
-	adds r1, 0x4\n\
-	adds r5, 0x1\n\
-	cmp r5, r3\n\
-	blt _0807A9FA\n\
-_0807AA0A:\n\
-	cmp r2, 0\n\
-	beq _0807AA18\n\
-	movs r0, 0\n\
-	b _0807AA1A\n\
-	.pool\n\
-_0807AA18:\n\
-	movs r0, 0x1\n\
-_0807AA1A:\n\
-	add sp, 0x18\n\
-	pop {r3}\n\
-	mov r8, r3\n\
-	pop {r4-r7}\n\
-	pop {r1}\n\
-	bx r1");
-}
-#endif // NONMATCHING
 
 static void sub_807AA28(struct Sprite *sprite)
 {