1 files changed, 89 insertions, 0 deletions
diff --git a/src/engine/trade.c b/src/engine/trade.c
new file mode 100644
index 000000000..0816fe555
--- /dev/null
+++ b/src/engine/trade.c
@@ -0,0 +1,89 @@
+#include "global.h"
+#include "name_string_util.h"
+#include "string_util.h"
+#include "text.h"
+
+struct InGameTrade {
+    /*0x00*/ u8 name[11];
+    /*0x0C*/ u16 species;
+    /*0x0E*/ u8 ivs[6];
+    /*0x14*/ bool8 secondAbility;
+    /*0x18*/ u32 otId;
+    /*0x1C*/ u8 stats[5];
+    /*0x24*/ u32 personality;
+    /*0x28*/ u16 heldItem;
+    /*0x2A*/ u8 mailNum;
+    /*0x2B*/ u8 otName[11];
+    /*0x36*/ u8 otGender;
+    /*0x37*/ u8 sheen;
+    /*0x38*/ u16 playerSpecies;
+};
+
+struct UnkStructC {
+    /*0x00*/ u16 words[9];
+    /*0x10*/ u8 string[8];
+    /*0x1A*/ u8 otId[4];
+    /*0x1E*/ u16 species;
+    /*0x20*/ u16 heldItem;
+};
+
+struct UnkStructD {
+    /*0x00*/ u8 pad00[0x10];
+    /*0x10*/ u8 var10;
+    /*0x11*/ u8 pad11[1];
+    /*0x12*/ u16 var12[1];
+};
+
+extern const struct InGameTrade gIngameTrades[];
+extern const u16 gIngameTradeMail[][10];
+
+IWRAM_DATA u8 gUnknown_03000508[8];
+
+void sub_804A96C(struct UnkStructD *arg0, u8 left, u8 top, u16 *tilemap, u8 width, u8 height, u16 sp8) {
+    int y, x;
+
+    for (y = 0; y < height; y++)
+    {
+
+        for (x = 0; x < width; x++)
+        {
+            arg0->var12[(top * 32 + left) + y * 32 + x] = tilemap[width * y + x] | sp8;
+        }
+    }
+
+#if ENGLISH
+    arg0->var10 = 1;
+#endif
+}
+
+#if GERMAN
+void sub_804A96C_alt(struct UnkStructD *arg0, u8 left, u8 top, u16 *tilemap, u8 width, u8 height, u16 sp8) {
+    sub_804A96C(arg0, left, top, tilemap, width, height, sp8);
+
+    arg0->var10 = 1;
+}
+#endif
+
+asm(".section .text.sub_804DAD4");
+
+void sub_804DAD4(struct UnkStructC *arg0, struct InGameTrade *trade) {
+    s32 i;
+
+    for (i = 0; i < 9; i++)
+    {
+        arg0->words[i] = gIngameTradeMail[trade->mailNum][i];
+    }
+
+    StringCopy(arg0->string, trade->otName);
+
+#if GERMAN
+    PadNameString(arg0->string, CHAR_SPACE);
+#endif
+
+    arg0->otId[0] = trade->otId >> 24;
+    arg0->otId[1] = trade->otId >> 16;
+    arg0->otId[2] = trade->otId >> 8;
+    arg0->otId[3] = trade->otId;
+    arg0->species = trade->species;
+    arg0->heldItem = trade->heldItem;
+}