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#include "global.h"
#include "script_movement.h"
#include "event_object_movement.h"
#include "task.h"
#include "util.h"
static EWRAM_DATA const u8 *gUnknown_020384F8[16] = {0};
static void sub_80A2198(u8);
static u8 sub_80A21E0(void);
static bool8 sub_80A21F4(u8, u8, const u8 *);
static u8 sub_80A2260(u8, u8);
static bool8 sub_80A2370(u8, u8);
static void sub_80A23C8(u8, u8, u8, const u8 *);
static void UnfreezeObjects(u8);
static void Task_80A244C(u8);
static void sub_80A2490(u8, u8, u8, const u8 *);
bool8 ScriptMovement_StartObjectMovementScript(u8 localId, u8 mapNum, u8 mapGroup, const u8 *movementScript)
{
u8 objEventId;
if (TryGetObjectEventIdByLocalIdAndMap(localId, mapNum, mapGroup, &objEventId))
return TRUE;
if (!FuncIsActiveTask(Task_80A244C))
sub_80A2198(50);
return sub_80A21F4(sub_80A21E0(), objEventId, movementScript);
}
bool8 ScriptMovement_IsObjectMovementFinished(u8 localId, u8 mapNum, u8 mapBank)
{
u8 objEventId;
u8 r4;
u8 r1;
if (TryGetObjectEventIdByLocalIdAndMap(localId, mapNum, mapBank, &objEventId))
return TRUE;
r4 = sub_80A21E0();
r1 = sub_80A2260(r4, objEventId);
if (r1 == 16)
return TRUE;
return sub_80A2370(r4, r1);
}
void sub_80A2178(void)
{
u8 taskId;
taskId = sub_80A21E0();
if (taskId != 0xFF)
{
UnfreezeObjects(taskId);
DestroyTask(taskId);
}
}
static void sub_80A2198(u8 priority)
{
u8 taskId;
u8 i;
taskId = CreateTask(Task_80A244C, priority);
for (i = 1; i < 16; i++)
gTasks[taskId].data[i] = 0xFFFF;
}
static u8 sub_80A21E0(void)
{
return FindTaskIdByFunc(Task_80A244C);
}
static bool8 sub_80A21F4(u8 taskId, u8 objEventId, const u8 *movementScript)
{
u8 r4;
r4 = sub_80A2260(taskId, objEventId);
if (r4 != 16)
{
if (sub_80A2370(taskId, r4) == 0)
{
return TRUE;
}
else
{
sub_80A23C8(taskId, r4, objEventId, movementScript);
return FALSE;
}
}
r4 = sub_80A2260(taskId, 0xFF);
if (r4 == 16)
{
return TRUE;
}
else
{
sub_80A23C8(taskId, r4, objEventId, movementScript);
return FALSE;
}
}
static u8 sub_80A2260(u8 taskId, u8 b)
{
u8 *ptr;
u8 i;
ptr = (u8 *)&gTasks[taskId].data[1];
for (i = 0; i < 16; i++, ptr++)
{
if (*ptr == b)
return i;
}
return 16;
}
static void sub_80A229C(u8 taskId, u8 b, u8 **c)
{
u8 i;
*c = (u8 *)&gTasks[taskId].data[1];
for (i = 0; i < b; i++, (*c)++)
;
}
static void sub_80A22D0(u8 taskId, u8 b, u8 c)
{
u8 *ptr;
sub_80A229C(taskId, b, &ptr);
*ptr = c; //what is this supposed to do?
}
static void sub_80A22F4(u8 taskId, u8 b, u8 *c)
{
u8 *ptr;
sub_80A229C(taskId, b, &ptr);
*c = *ptr;
}
static void sub_80A2318(u8 a, u8 b)
{
u16 var = ~gBitTable[b];
gTasks[a].data[0] &= var;
}
static void sub_80A2348(u8 taskId, u8 b)
{
gTasks[taskId].data[0] |= gBitTable[b];
}
static bool8 sub_80A2370(u8 taskId, u8 b)
{
u16 var = (u16)gTasks[taskId].data[0] & gBitTable[b];
if (var != 0)
return TRUE;
else
return FALSE;
}
static void npc_obj_offscreen_culling_and_flag_update(u8 a, const u8 *movementScript)
{
gUnknown_020384F8[a] = movementScript;
}
static const u8 *sub_80A23B8(u8 a)
{
return gUnknown_020384F8[a];
}
static void sub_80A23C8(u8 taskId, u8 b, u8 objEventId, const u8 *movementScript)
{
sub_80A2318(taskId, b);
npc_obj_offscreen_culling_and_flag_update(b, movementScript);
sub_80A22D0(taskId, b, objEventId);
}
static void UnfreezeObjects(u8 taskId)
{
u8 *pObjEventId;
u8 i;
pObjEventId = (u8 *)&gTasks[taskId].data[1];
for (i = 0; i < 16; i++, pObjEventId++)
{
if (*pObjEventId != 0xFF)
UnfreezeObjectEvent(&gObjectEvents[*pObjEventId]);
}
}
static void Task_80A244C(u8 taskId)
{
u8 i;
u8 var;
for (i = 0; i < 16; i++)
{
sub_80A22F4(taskId, i, &var);
if (var != 0xFF)
sub_80A2490(taskId, i, var, sub_80A23B8(i));
}
}
static void sub_80A2490(u8 taskId, u8 b, u8 objEventId, const u8 *d)
{
u8 var;
if (ObjectEventIsHeldMovementActive(&gObjectEvents[objEventId])
&& !ObjectEventClearHeldMovementIfFinished(&gObjectEvents[objEventId]))
return;
var = *d;
if (var == 0xFE)
{
sub_80A2348(taskId, b);
FreezeObjectEvent(&gObjectEvents[objEventId]);
}
else
{
if (!ObjectEventSetHeldMovement(&gObjectEvents[objEventId], var))
{
d++;
npc_obj_offscreen_culling_and_flag_update(b, d);
}
}
}
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