decompile trainer see

asm/battle_frontier_2.s

@@ -29290,7 +29290,7 @@ sub_81A9B04: @ 81A9B04
 	cmp r0, 0
 	beq _081A9B2E
 	movs r0, 0x1
-	bl sub_80B47E0
+	bl GetChosenApproachingTrainerMapObjectId
 	ldr r1, =gSelectedMapObject
 	strb r0, [r1]
 	ldr r0, =gTrainerBattleOpponent_B

asm/map_obj_lock.s

@@ -345,7 +345,7 @@ sub_8098630: @ 8098630
 	mov r6, r8
 	push {r6,r7}
 	movs r0, 0
-	bl sub_80B47E0
+	bl GetChosenApproachingTrainerMapObjectId
 	lsls r0, 24
 	lsrs r4, r0, 24
 	ldr r0, =gNoOfApproachingTrainers
@@ -353,7 +353,7 @@ sub_8098630: @ 8098630
 	cmp r0, 0x2
 	bne _080986E0
 	movs r0, 0x1
-	bl sub_80B47E0
+	bl GetChosenApproachingTrainerMapObjectId
 	lsls r0, 24
 	lsrs r0, 24
 	adds r5, r0, 0

data/event_scripts.s

@@ -844,7 +844,7 @@ EventScript_271354:: @ 8271354
 
 EventScript_271356:: @ 8271356
 	special SetUpTrainerEncounterMusic
-	special sub_80B45AC
+	special EndTrainerApproach
 	waitstate
 	goto EventScript_ShowTrainerIntroMsg
 

data/field_effect_scripts.s

@@ -74,7 +74,7 @@ gFieldEffectScriptPointers:: @ 82DB9D4
 	.4byte gFieldEffectScript_Unknown66
 
 gFieldEffectScript_ExclamationMarkIcon1:: @ 82DBAE0
-	field_eff_callnative oei_exclamation_mark
+	field_eff_callnative FldEff_ExclamationMarkIcon1
 	field_eff_end
 
 gFieldEffectScript_UseCutOnTallGrass:: @ 82DBAE6
@@ -207,7 +207,7 @@ gFieldEffectScript_FlyIn:: @ 82DBBE9
 	field_eff_end
 
 gFieldEffectScript_ExclamationMarkIcon2:: @ 82DBBEF
-	field_eff_callnative sub_80B4658
+	field_eff_callnative FldEff_ExclamationMarkIcon2
 	field_eff_end
 
 gFieldEffectScript_FeetInFlowingWater:: @ 82DBBF5
@@ -260,7 +260,7 @@ gFieldEffectScript_Unknown45:: @ 82DBC4B
 	field_eff_end
 
 gFieldEffectScript_HeartIcon:: @ 82DBC56
-	field_eff_loadfadedpal_callnative gFieldEffectObjectPaletteInfo0, sub_80B4690
+	field_eff_loadfadedpal_callnative gFieldEffectObjectPaletteInfo0, FldEff_HeartIcon
 	field_eff_end
 
 gFieldEffectScript_Unknown47:: @ 82DBC60

data/specials.inc

@@ -65,7 +65,7 @@ gSpecials:: @ 81DBA64
 	def_special ShowTrainerIntroSpeech
 	def_special ShowTrainerCantBattleSpeech
 	def_special GetTrainerFlag
-	def_special sub_80B45AC
+	def_special EndTrainerApproach
 	def_special SetUpTrainerEncounterMusic
 	def_special ShouldTryRematchBattle
 	def_special IsTrainerReadyForRematch

include/field_effect.h

@@ -71,8 +71,9 @@ enum FieldEffectScriptIdx
 
 extern u32 gFieldEffectArguments[8];
 
-u8 FieldEffectStart(u8);
+u32 FieldEffectStart(u8);
 bool8 FieldEffectActiveListContains(u8 id);
 void sub_80B69DC(void);
+void FieldEffectStop(struct Sprite *sprite, u8 id);
 
 #endif //GUARD_FIELD_EFFECTS_H

include/field_map_obj.h

@@ -60,7 +60,7 @@ void sub_808E82C(u8, u8, u8, s16, s16);
 void sub_808E7E4(u8, u8, u8);
 void sub_808E78C(u8, u8, u8, u8);
 void sub_808E75C(s16, s16);
-void FieldObjectGetLocalIdAndMap(struct MapObject *, u8 *, u8 *, u8 *);
+void FieldObjectGetLocalIdAndMap(struct MapObject *mapObject, void *localId, void *mapNum, void *mapGroup);
 void npc_coords_shift(struct MapObject *, s16, s16);
 void sub_808EB08(struct MapObject *, s16, s16);
 void sub_808F254(u8, u8, u8);
@@ -79,6 +79,15 @@ u8 GetFieldObjectIdByXYZ(u16 x, u16 y, u8 z);
 void npc_set_running_behaviour_etc(struct MapObject *mapObject, u8 animPattern);
 u8 npc_running_behaviour_by_direction(u8 direction);
 const u8 *GetFieldObjectScriptPointerByFieldObjectId(u8 mapObjectId);
+u8 sub_8092C8C(struct MapObject *mapObject, s16 x, s16 y, u8 direction);
+u8 GetFaceDirectionAnimId(u32);
+u8 GetGoSpeed0AnimId(u32);
+u8 sub_80934BC(u32);
+bool8 FieldObjectSetSpecialAnim(struct MapObject *mapObject, u8 specialAnimId);
+bool8 FieldObjectIsSpecialAnimOrDirectionSequenceAnimActive(struct MapObject *mapObject);
+u8 FieldObjectCheckIfSpecialAnimFinishedOrInactive(struct MapObject *mapObject);
+void sub_808F23C(const struct MapObject *mapObject, u8 movementType);
+void sub_808F208(const struct MapObject *mapObject);
 
 // Exported data declarations
 

include/field_player_avatar.h

@@ -9,6 +9,7 @@ void PlayerGetDestCoords(s16 *, s16 *);
 u8 player_get_direction_lower_nybble(void);
 u8 player_get_direction_upper_nybble(void);
 u8 player_get_x22(void);
+void sub_808BCE8(void);
 
 void sub_808D074(u8);
 void GetXYCoordsOneStepInFrontOfPlayer(s16 *xPtr, s16 *yPtr);

include/global.fieldmap.h

@@ -224,7 +224,7 @@ struct MapObject
     /*0x0C*/ struct Coords16 coords1;
     /*0x10*/ struct Coords16 coords2;
     /*0x14*/ struct Coords16 coords3;
-    /*0x18*/ u8 mapobj_unk_18:4;  //current direction?
+    /*0x18*/ u8 mapobj_unk_18:4;  // current direction?
     /*0x18*/ u8 placeholder18:4;
     /*0x19*/ union __attribute__((packed)) {
         u8 as_byte;

include/map_obj_8097404.h

@@ -28,5 +28,7 @@ void sub_8097750(struct Sprite *);
 bool8 sub_8097758(struct Sprite *);
 void sub_8097FA4(struct MapObject *);
 void sub_8098044(u8);
+void UnfreezeMapObjects(void);
+void sub_80974D0(u8 mapObjectId);
 
 #endif //GUARD_MAP_OBJ_8097404_H

include/trainer_see.h

@@ -8,16 +8,16 @@ struct ApproachingTrainer
     u8 field_2;
     u8 field_3;
     const u8 *trainerScriptPtr;
-    u8 field_8;
+    u8 taskId;
     u8 field_9;
     u8 field_A;
     u8 field_B;
 };
 
-extern struct ApproachingTrainer gApproachingTrainers[];
+extern struct ApproachingTrainer gApproachingTrainers[2];
 
 void sub_80B4578(struct MapObject *);
-u8 sub_80B47BC(void);
+u8 GetCurrentApproachingTrainerMapObjectId(void);
 void sub_8155D78(struct MapObject *);
 
-#endif //GUARD_TRAINER_SEE_H
+#endif // GUARD_TRAINER_SEE_H

ld_script.txt

@@ -122,7 +122,6 @@ SECTIONS {
         src/battle_setup.o(.text);
         asm/cable_club.o(.text);
         src/trainer_see.o(.text);
-        asm/trainer_see.o(.text);
         src/wild_encounter.o(.text);
         asm/field_effect.o(.text);
         asm/unknown_task.o(.text);

src/field_map_obj.c

@@ -1174,11 +1174,11 @@ void npc_by_local_id_and_map_set_field_1_bit_x20(u8 localId, u8 mapNum, u8 mapGr
     }
 }
 
-void FieldObjectGetLocalIdAndMap(struct MapObject *mapObject, u8 *localId, u8 *mapNum, u8 *mapGroup)
+void FieldObjectGetLocalIdAndMap(struct MapObject *mapObject, void *localId, void *mapNum, void *mapGroup)
 {
-    *localId = mapObject->localId;
+    *(u8*)(localId) = mapObject->localId;
-    *mapNum = mapObject->mapNum;
+    *(u8*)(mapNum) = mapObject->mapNum;
-    *mapGroup = mapObject->mapGroup;
+    *(u8*)(mapGroup) = mapObject->mapGroup;
 }
 
 void sub_808E75C(s16 x, s16 y)
@@ -3426,7 +3426,7 @@ void FieldObjectCB_TreeDisguise(struct Sprite *sprite)
     mapObject = &gMapObjects[sprite->data[0]];
     if (mapObject->mapobj_unk_21 == 0 || (mapObject->mapobj_unk_21 == 1 && !sprite->data[7]))
     {
-        FieldObjectGetLocalIdAndMap(mapObject, (u8 *)&gFieldEffectArguments[0], (u8 *)&gFieldEffectArguments[1], (u8 *)&gFieldEffectArguments[2]);
+        FieldObjectGetLocalIdAndMap(mapObject, &gFieldEffectArguments[0], &gFieldEffectArguments[1], &gFieldEffectArguments[2]);
         mapObject->mapobj_unk_1A = FieldEffectStart(FLDEFF_TREE_DISGUISE);
         mapObject->mapobj_unk_21 = 1;
         sprite->data[7] ++;
@@ -3447,7 +3447,7 @@ void FieldObjectCB_MountainDisguise(struct Sprite *sprite)
     mapObject = &gMapObjects[sprite->data[0]];
     if (mapObject->mapobj_unk_21 == 0 || (mapObject->mapobj_unk_21 == 1 && !sprite->data[7]))
     {
-        FieldObjectGetLocalIdAndMap(mapObject, (u8 *)&gFieldEffectArguments[0], (u8 *)&gFieldEffectArguments[1], (u8 *)&gFieldEffectArguments[2]);
+        FieldObjectGetLocalIdAndMap(mapObject, &gFieldEffectArguments[0], &gFieldEffectArguments[1], &gFieldEffectArguments[2]);
         mapObject->mapobj_unk_1A = FieldEffectStart(FLDEFF_MOUNTAIN_DISGUISE);
         mapObject->mapobj_unk_21 = 1;
         sprite->data[7] ++;
@@ -4694,7 +4694,7 @@ bool8 sub_80954CC(struct MapObject *mapObject, struct Sprite *sprite)
 
 bool8 do_exclamation_mark_bubble_1(struct MapObject *mapObject, struct Sprite *sprite)
 {
-    FieldObjectGetLocalIdAndMap(mapObject, (u8 *)&gFieldEffectArguments[0], (u8 *)&gFieldEffectArguments[1], (u8 *)&gFieldEffectArguments[2]);
+    FieldObjectGetLocalIdAndMap(mapObject, &gFieldEffectArguments[0], &gFieldEffectArguments[1], &gFieldEffectArguments[2]);
     FieldEffectStart(FLDEFF_EXCLAMATION_MARK_ICON_1);
     sprite->data[2] = 1;
     return TRUE;
@@ -4702,7 +4702,7 @@ bool8 do_exclamation_mark_bubble_1(struct MapObject *mapObject, struct Sprite *s
 
 bool8 do_exclamation_mark_bubble_2(struct MapObject *mapObject, struct Sprite *sprite)
 {
-    FieldObjectGetLocalIdAndMap(mapObject, (u8 *)&gFieldEffectArguments[0], (u8 *)&gFieldEffectArguments[1], (u8 *)&gFieldEffectArguments[2]);
+    FieldObjectGetLocalIdAndMap(mapObject, &gFieldEffectArguments[0], &gFieldEffectArguments[1], &gFieldEffectArguments[2]);
     FieldEffectStart(FLDEFF_EXCLAMATION_MARK_ICON_2);
     sprite->data[2] = 1;
     return TRUE;
@@ -4710,7 +4710,7 @@ bool8 do_exclamation_mark_bubble_2(struct MapObject *mapObject, struct Sprite *s
 
 bool8 do_heart_bubble(struct MapObject *mapObject, struct Sprite *sprite)
 {
-    FieldObjectGetLocalIdAndMap(mapObject, (u8 *)&gFieldEffectArguments[0], (u8 *)&gFieldEffectArguments[1], (u8 *)&gFieldEffectArguments[2]);
+    FieldObjectGetLocalIdAndMap(mapObject, &gFieldEffectArguments[0], &gFieldEffectArguments[1], &gFieldEffectArguments[2]);
     FieldEffectStart(FLDEFF_HEART_ICON);
     sprite->data[2] = 1;
     return TRUE;

src/scrcmd.c

@@ -2332,7 +2332,7 @@ bool8 ScrCmd_mossdeepgym4(struct ScriptContext *ctx)
 
 bool8 ScrCmd_cmdD8(struct ScriptContext *ctx)
 {
-    gSelectedMapObject = sub_80B47BC();
+    gSelectedMapObject = GetCurrentApproachingTrainerMapObjectId();
     return FALSE;
 }
 

src/trainer_see.c

@@ -3,24 +3,37 @@
 #include "battle_setup.h"
 #include "pokemon.h"
 #include "sprite.h"
+#include "field_effect.h"
 #include "field_map_obj.h"
+#include "field_player_avatar.h"
+#include "map_obj_8097404.h"
 #include "pokenav.h"
 #include "task.h"
+#include "util.h"
+#include "script.h"
+#include "event_data.h"
+#include "script_movement.h"
 
 extern u8 gApproachingTrainerId;
 extern u8 gNoOfApproachingTrainers;
 extern u8 gUnknown_030060AC;
 extern u16 gUnknown_03006080;
+extern u8 gUnknown_03006084[];
 
 extern bool8 InBattlePyramid(void);
 extern bool32 InTrainerHill(void);
 extern bool8 GetBattlePyramidTrainerFlag(u8 mapObjectId);
 extern bool8 GetTrainerHillTrainerFlag(u8 mapObjectId);
+extern void sub_809BE48(u16 npcId);
 
 // this file's functions
-static u8 CheckTrainer(u8 mapObjectId);
+u8 CheckTrainer(u8 mapObjectId);
 u8 GetTrainerApproachDistance(struct MapObject *trainerObj);
-void TrainerApproachPlayer(struct MapObject *trainerObj, u8 radius);
+void TrainerApproachPlayer(struct MapObject *trainerObj, u8 range);
+u8 CheckPathBetweenTrainerAndPlayer(struct MapObject *trainerObj, u8 approachDistance, u8 direction);
+void Task_RunTrainerSeeFuncList(u8 taskId);
+void Task_DestroyTrainerApproachTask(u8 taskId);
+void sub_80B46D8(struct Sprite *sprite, u16 a2, u8 a3);
 
 u8 GetTrainerApproachDistanceSouth(struct MapObject *trainerObj, s16 range, s16 x, s16 y);
 u8 GetTrainerApproachDistanceNorth(struct MapObject *trainerObj, s16 range, s16 x, s16 y);
@@ -210,7 +223,7 @@ bool8 CheckForTrainersWantingBattle(void)
     }
 }
 
-static u8 CheckTrainer(u8 mapObjectId)
+u8 CheckTrainer(u8 mapObjectId)
 {
     const u8 *scriptPtr;
     u8 ret = 1;
@@ -263,7 +276,6 @@ static u8 CheckTrainer(u8 mapObjectId)
     return 0;
 }
 
-/*
 u8 GetTrainerApproachDistance(struct MapObject *trainerObj)
 {
     s16 x, y;
@@ -274,17 +286,477 @@ u8 GetTrainerApproachDistance(struct MapObject *trainerObj)
     if (trainerObj->trainerType == 1)  // can only see in one direction
     {
         approachDistance = sDirectionalApproachDistanceFuncs[trainerObj->mapobj_unk_18 - 1](trainerObj, trainerObj->trainerRange_berryTreeId, x, y);
-        return CheckPathBetweenTrainerAndPlayer((struct MapObject2 *)trainerObj, approachDistance, trainerObj->mapobj_unk_18);
+        return CheckPathBetweenTrainerAndPlayer(trainerObj, approachDistance, trainerObj->mapobj_unk_18);
     }
     else  // can see in all directions
     {
         for (i = 0; i < 4; i++)
         {
             approachDistance = sDirectionalApproachDistanceFuncs[i](trainerObj, trainerObj->trainerRange_berryTreeId, x, y);
-            if (CheckPathBetweenTrainerAndPlayer((struct MapObject2 *)trainerObj, approachDistance, i + 1)) // directions are 1-4 instead of 0-3. south north west east
+            if (CheckPathBetweenTrainerAndPlayer(trainerObj, approachDistance, i + 1)) // directions are 1-4 instead of 0-3. south north west east
                 return approachDistance;
         }
     }
+
     return 0;
 }
-*/
+
+// Returns how far south the player is from trainer. 0 if out of trainer's sight.
+u8 GetTrainerApproachDistanceSouth(struct MapObject *trainerObj, s16 range, s16 x, s16 y)
+{
+    if (trainerObj->coords2.x == x
+     && y > trainerObj->coords2.y
+     && y <= trainerObj->coords2.y + range)
+        return (y - trainerObj->coords2.y);
+    else
+        return 0;
+}
+
+// Returns how far north the player is from trainer. 0 if out of trainer's sight.
+u8 GetTrainerApproachDistanceNorth(struct MapObject *trainerObj, s16 range, s16 x, s16 y)
+{
+    if (trainerObj->coords2.x == x
+     && y < trainerObj->coords2.y
+     && y >= trainerObj->coords2.y - range)
+        return (trainerObj->coords2.y - y);
+    else
+        return 0;
+}
+
+// Returns how far west the player is from trainer. 0 if out of trainer's sight.
+u8 GetTrainerApproachDistanceWest(struct MapObject *trainerObj, s16 range, s16 x, s16 y)
+{
+    if (trainerObj->coords2.y == y
+     && x < trainerObj->coords2.x
+     && x >= trainerObj->coords2.x - range)
+        return (trainerObj->coords2.x - x);
+    else
+        return 0;
+}
+
+// Returns how far east the player is from trainer. 0 if out of trainer's sight.
+u8 GetTrainerApproachDistanceEast(struct MapObject *trainerObj, s16 range, s16 x, s16 y)
+{
+    if (trainerObj->coords2.y == y
+     && x > trainerObj->coords2.x
+     && x <= trainerObj->coords2.x + range)
+        return (x - trainerObj->coords2.x);
+    else
+        return 0;
+}
+
+#define COLLISION_MASK (~1)
+
+u8 CheckPathBetweenTrainerAndPlayer(struct MapObject *trainerObj, u8 approachDistance, u8 direction)
+{
+    s16 x, y;
+    u8 unk19_temp;
+    u8 unk19b_temp;
+    u8 i;
+    u8 collision;
+
+    if (approachDistance == 0)
+        return 0;
+
+    x = trainerObj->coords2.x;
+    y = trainerObj->coords2.y;
+
+    MoveCoords(direction, &x, &y);
+    for (i = 0; i < approachDistance - 1; i++, MoveCoords(direction, &x, &y))
+    {
+        collision = sub_8092C8C(trainerObj, x, y, direction);
+        if (collision != 0 && (collision & COLLISION_MASK))
+            return 0;
+    }
+
+    // preserve mapobj_unk_19 before clearing.
+    unk19_temp = trainerObj->range.as_nybbles.x;
+    unk19b_temp = trainerObj->range.as_nybbles.y;
+    trainerObj->range.as_nybbles.x = 0;
+    trainerObj->range.as_nybbles.y = 0;
+
+    collision = npc_block_way(trainerObj, x, y, direction);
+
+    trainerObj->range.as_nybbles.x = unk19_temp;
+    trainerObj->range.as_nybbles.y = unk19b_temp;
+    if (collision == 4)
+        return approachDistance;
+
+    return 0;
+}
+
+#define tFuncId             data[0]
+#define tTrainerRange       data[3]
+#define tTrainerMapObjectId data[7]
+
+void TrainerApproachPlayer(struct MapObject *trainerObj, u8 range)
+{
+    struct Task *task;
+
+    gApproachingTrainers[gNoOfApproachingTrainers].taskId = CreateTask(Task_RunTrainerSeeFuncList, 0x50);
+    task = &gTasks[gApproachingTrainers[gNoOfApproachingTrainers].taskId];
+    task->tTrainerRange = range;
+    task->tTrainerMapObjectId = gApproachingTrainers[gNoOfApproachingTrainers].mapObjectId;
+}
+
+void sub_80B40C8(TaskFunc followupFunc)
+{
+    u8 taskId;
+    TaskFunc taskFunc;
+
+    if (gApproachingTrainerId == 0)
+        taskId = gApproachingTrainers[0].taskId;
+    else
+        taskId = gApproachingTrainers[1].taskId;
+
+    taskFunc = Task_RunTrainerSeeFuncList;
+    SetTaskFuncWithFollowupFunc(taskId, taskFunc, followupFunc);
+    gTasks[taskId].tFuncId = 1;
+    taskFunc(taskId);
+}
+
+void Task_RunTrainerSeeFuncList(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+    struct MapObject *trainerObj = &gMapObjects[task->tTrainerMapObjectId];
+
+    if (!trainerObj->active)
+    {
+        SwitchTaskToFollowupFunc(taskId);
+    }
+    else
+    {
+        while (gTrainerSeeFuncList[task->tFuncId](taskId, task, trainerObj));
+    }
+}
+
+bool8 sub_80B4178(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    return FALSE;
+}
+
+bool8 sub_80B417C(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    u8 direction;
+
+    FieldObjectGetLocalIdAndMap(trainerObj, &gFieldEffectArguments[0], &gFieldEffectArguments[1], &gFieldEffectArguments[2]);
+    FieldEffectStart(FLDEFF_EXCLAMATION_MARK_ICON_1);
+    direction = GetFaceDirectionAnimId(trainerObj->mapobj_unk_18);
+    FieldObjectSetSpecialAnim(trainerObj, direction);
+    task->tFuncId++;
+    return TRUE;
+}
+
+bool8 sub_80B41C0(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    if (FieldEffectActiveListContains(0))
+    {
+        return FALSE;
+    }
+    else
+    {
+        task->data[0]++;
+        if (trainerObj->animPattern == 57 || trainerObj->animPattern == 58)
+            task->data[0] = 6;
+        if (trainerObj->animPattern == 63)
+            task->data[0] = 8;
+        return TRUE;
+    }
+}
+
+bool8 sub_80B4200(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    if (!(FieldObjectIsSpecialAnimOrDirectionSequenceAnimActive(trainerObj)) || FieldObjectClearAnimIfSpecialAnimFinished(trainerObj))
+    {
+        if (task->data[3])
+        {
+            FieldObjectSetSpecialAnim(trainerObj, GetGoSpeed0AnimId(trainerObj->mapobj_unk_18));
+            task->data[3]--;
+        }
+        else
+        {
+            FieldObjectSetSpecialAnim(trainerObj, 0x3E);
+            task->data[0]++;
+        }
+    }
+    return FALSE;
+}
+
+bool8 sub_80B425C(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    struct MapObject *playerObj;
+
+    if (FieldObjectIsSpecialAnimOrDirectionSequenceAnimActive(trainerObj) && !FieldObjectClearAnimIfSpecialAnimFinished(trainerObj))
+        return FALSE;
+
+    npc_set_running_behaviour_etc(trainerObj, npc_running_behaviour_by_direction(trainerObj->mapobj_unk_18));
+    sub_808F23C(trainerObj, npc_running_behaviour_by_direction(trainerObj->mapobj_unk_18));
+    sub_808F208(trainerObj);
+
+    playerObj = &gMapObjects[gPlayerAvatar.mapObjectId];
+    if (FieldObjectIsSpecialAnimOrDirectionSequenceAnimActive(playerObj) && !FieldObjectClearAnimIfSpecialAnimFinished(playerObj))
+        return FALSE;
+
+    sub_808BCE8();
+    FieldObjectSetSpecialAnim(&gMapObjects[gPlayerAvatar.mapObjectId], GetFaceDirectionAnimId(GetOppositeDirection(trainerObj->mapobj_unk_18)));
+    task->data[0]++;
+    return FALSE;
+}
+
+bool8 sub_80B4318(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    struct MapObject *playerObj = &gMapObjects[gPlayerAvatar.mapObjectId];
+
+    if (!FieldObjectIsSpecialAnimOrDirectionSequenceAnimActive(playerObj)
+     || FieldObjectClearAnimIfSpecialAnimFinished(playerObj))
+        SwitchTaskToFollowupFunc(taskId);
+    return FALSE;
+}
+
+bool8 sub_80B435C(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    if (!FieldObjectIsSpecialAnimOrDirectionSequenceAnimActive(trainerObj)
+     || FieldObjectClearAnimIfSpecialAnimFinished(trainerObj))
+    {
+        FieldObjectSetSpecialAnim(trainerObj, 0x59);
+        task->data[0]++;
+    }
+    return FALSE;
+}
+
+bool8 sub_80B4390(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    if (FieldObjectClearAnimIfSpecialAnimFinished(trainerObj))
+        task->data[0] = 3;
+
+    return FALSE;
+}
+
+bool8 sub_80B43AC(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    if (!FieldObjectIsSpecialAnimOrDirectionSequenceAnimActive(trainerObj)
+     || FieldObjectClearAnimIfSpecialAnimFinished(trainerObj))
+    {
+        FieldObjectSetSpecialAnim(trainerObj, 0x3E);
+        task->data[0]++;
+    }
+    return FALSE;
+}
+
+bool8 sub_80B43E0(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    if (FieldObjectCheckIfSpecialAnimFinishedOrInactive(trainerObj))
+    {
+        gFieldEffectArguments[0] = trainerObj->coords2.x;
+        gFieldEffectArguments[1] = trainerObj->coords2.y;
+        gFieldEffectArguments[2] = gSprites[trainerObj->spriteId].subpriority - 1;
+        gFieldEffectArguments[3] = 2;
+        task->data[4] = FieldEffectStart(FLDEFF_POP_OUT_OF_ASH);
+        task->data[0]++;
+    }
+    return FALSE;
+}
+
+bool8 sub_80B4438(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    struct Sprite *sprite;
+
+    if (gSprites[task->data[4]].animCmdIndex == 2)
+    {
+        trainerObj->mapobj_bit_26 = 0;
+        trainerObj->mapobj_bit_2 = 1;
+
+        sprite = &gSprites[trainerObj->spriteId];
+        sprite->oam.priority = 2;
+        FieldObjectClearAnimIfSpecialAnimFinished(trainerObj);
+        FieldObjectSetSpecialAnim(trainerObj, sub_80934BC(trainerObj->mapobj_unk_18));
+        task->data[0]++;
+    }
+
+    return FALSE;
+}
+
+bool8 sub_80B44AC(u8 taskId, struct Task *task, struct MapObject *trainerObj)
+{
+    if (!FieldEffectActiveListContains(49))
+        task->data[0] = 3;
+
+    return FALSE;
+}
+
+void sub_80B44C8(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+    struct MapObject *mapObj;
+
+    // another mapObj loaded into by loadword?
+    LoadWordFromTwoHalfwords(&task->data[1], (u32 *)&mapObj);
+    if (!task->data[7])
+    {
+        FieldObjectClearAnim(mapObj);
+        task->data[7]++;
+    }
+    gTrainerSeeFuncList2[task->data[0]](taskId, task, mapObj);
+    if (task->data[0] == 3 && !FieldEffectActiveListContains(49))
+    {
+        npc_set_running_behaviour_etc(mapObj, npc_running_behaviour_by_direction(mapObj->mapobj_unk_18));
+        sub_808F23C(mapObj, npc_running_behaviour_by_direction(mapObj->mapobj_unk_18));
+        DestroyTask(taskId);
+    }
+    else
+    {
+        mapObj->mapobj_bit_7 = 0;
+    }
+}
+
+void sub_80B4578(struct MapObject *var)
+{
+    StoreWordInTwoHalfwords(&gTasks[CreateTask(sub_80B44C8, 0)].data[1], (u32)var);
+}
+
+void EndTrainerApproach(void)
+{
+    sub_80B40C8(Task_DestroyTrainerApproachTask);
+}
+
+void Task_DestroyTrainerApproachTask(u8 taskId)
+{
+    DestroyTask(taskId);
+    EnableBothScriptContexts();
+}
+
+void sub_80B45D0(void)
+{
+    if (gNoOfApproachingTrainers == 2)
+    {
+        if (gApproachingTrainerId == 0)
+        {
+            gApproachingTrainerId++;
+            gSpecialVar_Result = 1;
+            UnfreezeMapObjects();
+            sub_80974D0(gApproachingTrainers[1].mapObjectId);
+        }
+        else
+        {
+            gApproachingTrainerId = 0;
+            gSpecialVar_Result = 0;
+        }
+    }
+    else
+    {
+        gSpecialVar_Result = 0;
+    }
+}
+
+u8 FldEff_ExclamationMarkIcon1(void)
+{
+    u8 spriteId = CreateSpriteAtEnd(&gSpriteTemplate_85507B4, 0, 0, 0x53);
+
+    if (spriteId != MAX_SPRITES)
+        sub_80B46D8(&gSprites[spriteId], 0, 0);
+
+    return 0;
+}
+
+u8 FldEff_ExclamationMarkIcon2(void)
+{
+    u8 spriteId = CreateSpriteAtEnd(&gSpriteTemplate_85507B4, 0, 0, 0x52);
+
+    if (spriteId != MAX_SPRITES)
+        sub_80B46D8(&gSprites[spriteId], 33, 1);
+
+    return 0;
+}
+
+u8 FldEff_HeartIcon(void)
+{
+    u8 spriteId = CreateSpriteAtEnd(&gSpriteTemplate_85507CC, 0, 0, 0x52);
+
+    if (spriteId != MAX_SPRITES)
+    {
+        struct Sprite *sprite = &gSprites[spriteId];
+
+        sub_80B46D8(sprite, 46, 0);
+        sprite->oam.paletteNum = 2;
+    }
+
+    return 0;
+}
+
+void sub_80B46D8(struct Sprite *sprite, u16 a2, u8 a3)
+{
+    sprite->oam.priority = 1;
+    sprite->coordOffsetEnabled = 1;
+
+    sprite->data[0] = gFieldEffectArguments[0];
+    sprite->data[1] = gFieldEffectArguments[1];
+    sprite->data[2] = gFieldEffectArguments[2];
+    sprite->data[3] = -5;
+    sprite->data[7] = a2;
+
+    StartSpriteAnim(sprite, a3);
+}
+
+void objc_exclamation_mark_probably(struct Sprite *sprite)
+{
+    u8 mapObjId;
+
+    if (TryGetFieldObjectIdByLocalIdAndMap(sprite->data[0], sprite->data[1], sprite->data[2], &mapObjId)
+     || sprite->animEnded)
+    {
+        FieldEffectStop(sprite, sprite->data[7]);
+    }
+    else
+    {
+        struct Sprite *mapObjSprite = &gSprites[gMapObjects[mapObjId].spriteId];
+        sprite->data[4] += sprite->data[3];
+        sprite->pos1.x = mapObjSprite->pos1.x;
+        sprite->pos1.y = mapObjSprite->pos1.y - 16;
+        sprite->pos2.x = mapObjSprite->pos2.x;
+        sprite->pos2.y = mapObjSprite->pos2.y + sprite->data[4];
+        if (sprite->data[4])
+            sprite->data[3]++;
+        else
+            sprite->data[3] = 0;
+    }
+}
+
+u8 GetCurrentApproachingTrainerMapObjectId(void)
+{
+    if (gApproachingTrainerId == 0)
+        return gApproachingTrainers[0].mapObjectId;
+    else
+        return gApproachingTrainers[1].mapObjectId;
+}
+
+u8 GetChosenApproachingTrainerMapObjectId(u8 arrayId)
+{
+    if (arrayId >= ARRAY_COUNT(gApproachingTrainers))
+        return 0;
+    else if (arrayId == 0)
+        return gApproachingTrainers[0].mapObjectId;
+    else
+        return gApproachingTrainers[1].mapObjectId;
+}
+
+void sub_80B4808(void)
+{
+    struct MapObject *trainerObj;
+
+    if (gUnknown_030060AC == 1)
+    {
+        trainerObj = &gMapObjects[gApproachingTrainers[gUnknown_03006080].mapObjectId];
+        gUnknown_03006084[0] = GetFaceDirectionAnimId(GetOppositeDirection(trainerObj->mapobj_unk_18));
+        gUnknown_03006084[1] = 0xFE;
+        ScriptMovement_StartObjectMovementScript(0xFF, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup, gUnknown_03006084);
+    }
+    else
+    {
+        trainerObj = &gMapObjects[gPlayerAvatar.mapObjectId];
+        gUnknown_03006084[0] = GetFaceDirectionAnimId(trainerObj->mapobj_unk_18);
+        gUnknown_03006084[1] = 0xFE;
+        ScriptMovement_StartObjectMovementScript(0xFF, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup, gUnknown_03006084);
+    }
+
+    sub_809BE48(0xFF);
+}