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#include "global.h"
#include "script_movement.h"
#include "event_object_movement.h"
#include "task.h"
#include "util.h"
// static functions
static void sub_80D33AC(u8);
static u8 sub_80D33F4(void);
static bool8 sub_80D3408(u8, u8, const u8 *);
static u8 sub_80D3474(u8, u8);
static bool8 sub_80D3584(u8, u8);
static void sub_80D35DC(u8, u8, u8, const u8 *);
static void UnfreezeObjects(u8);
static void sub_80D3660(u8);
static void sub_80A2490(u8, u8, u8, const u8 *);
// EWRAM_DATA
static EWRAM_DATA const u8 *gUnknown_02039D90[16] = {0};
// text
bool8 ScriptMovement_StartObjectMovementScript(u8 localId, u8 mapNum, u8 mapGroup, const u8 *movementScript)
{
u8 eventObjId;
if (TryGetEventObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &eventObjId))
return TRUE;
if (!FuncIsActiveTask(sub_80D3660))
sub_80D33AC(50);
return sub_80D3408(sub_80D33F4(), eventObjId, movementScript);
}
bool8 ScriptMovement_IsObjectMovementFinished(u8 localId, u8 mapNum, u8 mapBank)
{
u8 eventObjId;
u8 r4;
u8 r1;
if (TryGetEventObjectIdByLocalIdAndMap(localId, mapNum, mapBank, &eventObjId))
return TRUE;
r4 = sub_80D33F4();
r1 = sub_80D3474(r4, eventObjId);
if (r1 == 16)
return TRUE;
return sub_80D3584(r4, r1);
}
void sub_80D338C(void)
{
u8 taskId;
taskId = sub_80D33F4();
if (taskId != 0xFF)
{
UnfreezeObjects(taskId);
DestroyTask(taskId);
}
}
static void sub_80D33AC(u8 priority)
{
u8 taskId;
u8 i;
taskId = CreateTask(sub_80D3660, priority);
for (i = 1; i < 16; i++)
gTasks[taskId].data[i] = 0xFFFF;
}
static u8 sub_80D33F4(void)
{
return FindTaskIdByFunc(sub_80D3660);
}
static bool8 sub_80D3408(u8 taskId, u8 eventObjId, const u8 *movementScript)
{
u8 r4;
r4 = sub_80D3474(taskId, eventObjId);
if (r4 != 16)
{
if (sub_80D3584(taskId, r4) == 0)
{
return TRUE;
}
else
{
sub_80D35DC(taskId, r4, eventObjId, movementScript);
return FALSE;
}
}
r4 = sub_80D3474(taskId, 0xFF);
if (r4 == 16)
{
return TRUE;
}
else
{
sub_80D35DC(taskId, r4, eventObjId, movementScript);
return FALSE;
}
}
static u8 sub_80D3474(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_80D34B0(u8 taskId, u8 b, u8 **c)
{
u8 i;
*c = (u8 *)&gTasks[taskId].data[1];
for (i = 0; i < b; i++, (*c)++)
;
}
static void sub_80D34E4(u8 taskId, u8 b, u8 c)
{
u8 *ptr;
sub_80D34B0(taskId, b, &ptr);
*ptr = c; //what is this supposed to do?
}
static void sub_80D3508(u8 taskId, u8 b, u8 *c)
{
u8 *ptr;
sub_80D34B0(taskId, b, &ptr);
*c = *ptr;
}
static void sub_80D352C(u8 a, u8 b)
{
u16 var = ~gBitTable[b];
gTasks[a].data[0] &= var;
}
static void sub_80D355C(u8 taskId, u8 b)
{
gTasks[taskId].data[0] |= gBitTable[b];
}
static bool8 sub_80D3584(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_02039D90[a] = movementScript;
}
static const u8 *sub_80D35CC(u8 a)
{
return gUnknown_02039D90[a];
}
static void sub_80D35DC(u8 taskId, u8 b, u8 eventObjId, const u8 *movementScript)
{
sub_80D352C(taskId, b);
npc_obj_offscreen_culling_and_flag_update(b, movementScript);
sub_80D34E4(taskId, b, eventObjId);
}
static void UnfreezeObjects(u8 taskId)
{
u8 *pEventObjId;
u8 i;
pEventObjId = (u8 *)&gTasks[taskId].data[1];
for (i = 0; i < 16; i++, pEventObjId++)
{
if (*pEventObjId != 0xFF)
npc_sync_anim_pause_bits(&gEventObjects[*pEventObjId]);
}
}
static void sub_80D3660(u8 taskId)
{
u8 i;
u8 var;
for (i = 0; i < 16; i++)
{
sub_80D3508(taskId, i, &var);
if (var != 0xFF)
sub_80A2490(taskId, i, var, sub_80D35CC(i));
}
}
static void sub_80A2490(u8 taskId, u8 b, u8 eventObjId, const u8 *d)
{
u8 var;
if (EventObjectIsSpecialAnimActive(&gEventObjects[eventObjId])
&& !EventObjectClearAnimIfSpecialAnimFinished(&gEventObjects[eventObjId]))
return;
var = *d;
if (var == 0xFE)
{
sub_80D355C(taskId, b);
FreezeEventObject(&gEventObjects[eventObjId]);
}
else
{
if (!EventObjectSetSpecialAnim(&gEventObjects[eventObjId], var))
{
d++;
npc_obj_offscreen_culling_and_flag_update(b, d);
}
}
}
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