1 files changed, 187 insertions, 0 deletions
diff --git a/src/event_object_lock.c b/src/event_object_lock.c
new file mode 100644
index 000000000..1f1be8d5a
--- /dev/null
+++ b/src/event_object_lock.c
@@ -0,0 +1,187 @@
+#include "global.h"
+#include "event_data.h"
+#include "event_object_lock.h"
+#include "event_object_movement.h"
+#include "field_player_avatar.h"
+#include "script_movement.h"
+#include "task.h"
+#include "trainer_see.h"
+#include "constants/event_objects.h"
+
+bool8 walkrun_is_standing_still(void)
+{
+    if (gPlayerAvatar.tileTransitionState == T_TILE_TRANSITION)
+        return FALSE;
+    else
+        return TRUE;
+}
+
+static void sub_80983A4(u8 taskId)
+{
+    if (walkrun_is_standing_still())
+    {
+        sub_808B864();
+        DestroyTask(taskId);
+    }
+}
+
+bool8 sub_80983C4(void)
+{
+    if (FuncIsActiveTask(sub_80983A4))
+    {
+        return FALSE;
+    }
+    else
+    {
+        sub_808BCF4();
+        return TRUE;
+    }
+}
+
+
+void ScriptFreezeObjectEvents(void)
+{
+    FreezeObjectEvents();
+    CreateTask(sub_80983A4, 80);
+}
+
+static void sub_8098400(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    if (!task->data[0] && walkrun_is_standing_still() == TRUE)
+    {
+        sub_808B864();
+        task->data[0] = 1;
+    }
+    if (!task->data[1] && !gObjectEvents[gSelectedObjectEvent].singleMovementActive)
+    {
+        FreezeObjectEvent(&gObjectEvents[gSelectedObjectEvent]);
+        task->data[1] = 1;
+    }
+    if (task->data[0] && task->data[1])
+        DestroyTask(taskId);
+}
+
+bool8 sub_809847C(void)
+{
+    if (FuncIsActiveTask(sub_8098400))
+    {
+        return FALSE;
+    }
+    else
+    {
+        sub_808BCF4();
+        return TRUE;
+    }
+}
+
+void LockSelectedObjectEvent(void)
+{
+    u8 taskId;
+    FreezeObjectEventsExceptOne(gSelectedObjectEvent);
+    taskId = CreateTask(sub_8098400, 80);
+    if (!gObjectEvents[gSelectedObjectEvent].singleMovementActive)
+    {
+        FreezeObjectEvent(&gObjectEvents[gSelectedObjectEvent]);
+        gTasks[taskId].data[1] = 1;
+    }
+}
+
+void ScriptUnfreezeObjectEvents(void)
+{
+    u8 playerObjectId = GetObjectEventIdByLocalIdAndMap(OBJ_EVENT_ID_PLAYER, 0, 0);
+    ObjectEventClearHeldMovementIfFinished(&gObjectEvents[playerObjectId]);
+    ScriptMovement_UnfreezeObjectEvents();
+    UnfreezeObjectEvents();
+}
+
+void sub_8098524(void)
+{
+    u8 playerObjectId;
+
+    if (gObjectEvents[gSelectedObjectEvent].active)
+        ObjectEventClearHeldMovementIfFinished(&gObjectEvents[gSelectedObjectEvent]);
+    playerObjectId = GetObjectEventIdByLocalIdAndMap(OBJ_EVENT_ID_PLAYER, 0, 0);
+    ObjectEventClearHeldMovementIfFinished(&gObjectEvents[playerObjectId]);
+    ScriptMovement_UnfreezeObjectEvents();
+    UnfreezeObjectEvents();
+}
+
+void Script_FacePlayer(void)
+{
+    ObjectEventFaceOppositeDirection(&gObjectEvents[gSelectedObjectEvent], gSpecialVar_Facing);
+}
+
+void Script_ClearHeldMovement(void)
+{
+    ObjectEventClearHeldMovementIfActive(&gObjectEvents[gSelectedObjectEvent]);
+}
+
+static void sub_80985BC(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+    u8 objectEventId = task->data[2];
+
+    if (!task->data[0] && walkrun_is_standing_still() == TRUE)
+    {
+        sub_808B864();
+        task->data[0] = 1;
+    }
+    if (!task->data[1] && !gObjectEvents[objectEventId].singleMovementActive)
+    {
+        FreezeObjectEvent(&gObjectEvents[objectEventId]);
+        task->data[1] = 1;
+    }
+    if (task->data[0] && task->data[1])
+        DestroyTask(taskId);
+}
+
+void sub_8098630(void)
+{
+    u8 trainerObjectId1, trainerObjectId2, taskId;
+    trainerObjectId1 = GetChosenApproachingTrainerObjectEventId(0);
+    if(gNoOfApproachingTrainers == 2)
+    {
+        trainerObjectId2 = GetChosenApproachingTrainerObjectEventId(1);
+        sub_8098074(trainerObjectId1, trainerObjectId2);
+        taskId = CreateTask(sub_80985BC, 80);
+        gTasks[taskId].data[2] = trainerObjectId1;
+        if(!gObjectEvents[trainerObjectId1].singleMovementActive)
+        {
+            FreezeObjectEvent(&gObjectEvents[trainerObjectId1]);
+            gTasks[taskId].data[1] = 1;
+        }
+        taskId = CreateTask(sub_80985BC, 81);
+        gTasks[taskId].data[2] = trainerObjectId2;
+        if(!gObjectEvents[trainerObjectId2].singleMovementActive)
+        {
+            FreezeObjectEvent(&gObjectEvents[trainerObjectId2]);
+            gTasks[taskId].data[1] = 1;
+        }
+    }
+    else
+    {
+        FreezeObjectEventsExceptOne(trainerObjectId1);
+        taskId = CreateTask(sub_80985BC, 80);
+        gTasks[taskId].data[2] = trainerObjectId1;
+        if(!gObjectEvents[trainerObjectId1].singleMovementActive)
+        {
+            FreezeObjectEvent(&gObjectEvents[trainerObjectId1]);
+            gTasks[taskId].data[1] = 1;
+        }
+    }
+}
+
+bool8 sub_8098734(void)
+{
+    if (FuncIsActiveTask(sub_80985BC))
+    {
+        return FALSE;
+    }
+    else
+    {
+        sub_808BCF4();
+        return TRUE;
+    }
+}