1 files changed, 68 insertions, 0 deletions
diff --git a/src/trainer_see.c b/src/trainer_see.c
new file mode 100644
index 000000000..b30f27347
--- /dev/null
+++ b/src/trainer_see.c
@@ -0,0 +1,68 @@
+#include "global.h"
+#include "trainer_see.h"
+#include "battle_setup.h"
+
+extern u8 gApproachingTrainerId;
+extern u8 gNoOfApproachingTrainers;
+extern u8 gUnknown_030060AC;
+extern u16 gUnknown_03006080;
+
+// this file's functions
+u8 CheckIfTrainerWantsBattle(u8 mapObjectId);
+
+bool8 CheckForTrainersWantingBattle(void)
+{
+    u8 i;
+
+    gNoOfApproachingTrainers = 0;
+    gApproachingTrainerId = 0;
+
+    for (i = 0; i < MAP_OBJECTS_COUNT; i++)
+    {
+        u8 retVal;
+
+        if (!gMapObjects[i].active)
+            continue;
+        if (gMapObjects[i].trainerType != 1 && gMapObjects[i].trainerType != 3)
+            continue;
+
+        retVal = CheckIfTrainerWantsBattle(i);
+        if (retVal == 2)
+            break; // two trainers have been found
+
+        if (retVal == 0) // no trainers
+            continue;
+
+        if (gNoOfApproachingTrainers > 1)
+            break;
+        if (GetMonsStateToDoubles_2() != 0) // one trainer found and cant have a double battle
+            break;
+    }
+
+    if (gNoOfApproachingTrainers == 1)
+    {
+        ResetTrainerOpponentIds();
+        ConfigureAndSetUpOneTrainerBattle(gApproachingTrainers[gNoOfApproachingTrainers - 1].mapObjectId,
+                                          gApproachingTrainers[gNoOfApproachingTrainers - 1].trainerScriptPtr);
+        gUnknown_030060AC = 1;
+        return TRUE;
+    }
+    else if (gNoOfApproachingTrainers == 2)
+    {
+        ResetTrainerOpponentIds();
+        for (i = 0; i < gNoOfApproachingTrainers; i++, gApproachingTrainerId++)
+        {
+            ConfigureTwoTrainersBattle(gApproachingTrainers[i].mapObjectId,
+                                       gApproachingTrainers[i].trainerScriptPtr);
+        }
+        SetUpTwoTrainersBattle();
+        gApproachingTrainerId = 0;
+        gUnknown_030060AC = 1;
+        return TRUE;
+    }
+    else
+    {
+        gUnknown_030060AC = 0;
+        return FALSE;
+    }
+}