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/**
* @file treeItem.c
* @ingroup Enemies
*
* @brief Tree Item enemy
*/
#include "global.h"
#include "enemy.h"
#include "object.h"
#include "item.h"
static bool32 ShouldSpawnTreeItem(Entity*);
extern void sub_08049CF4(Entity*);
const u8 gTreeItemDropTables[][16] = {
{ 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x00, 0x00, 0x00, 0x08, 0x08, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
};
const u8 gTreeItemDrops[] = { 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x00, 0x00, 0x00, 0x00 };
#define FAIRY_INDEX 8
void TreeItem(Entity* this) {
Entity* itemEntity;
if (this->action == 0) {
this->action++;
this->field_0x68.HALF.LO = GetRandomByWeight(gTreeItemDropTables[this->type]);
if (this->field_0x68.HALF.LO > FAIRY_INDEX) {
DeleteThisEntity();
}
if (this->field_0x68.HALF.LO < FAIRY_INDEX && GetInventoryValue(ITEM_KINSTONE_BAG) == 0) {
this->field_0x68.HALF.LO = FAIRY_INDEX;
}
}
if (!ShouldSpawnTreeItem(this)) {
return;
}
switch (this->field_0x68.HALF.LO) {
case FAIRY_INDEX:
itemEntity = CreateObject(FAIRY, 0x60, 0);
if (itemEntity) {
itemEntity->timer = 0;
CopyPosition(this, itemEntity);
}
break;
case 0 ...(FAIRY_INDEX - 1):
itemEntity = CreateObject(GRAVEYARD_KEY, 0x7, gTreeItemDrops[this->field_0x68.HALF.LO]);
if (itemEntity) {
CopyPosition(this, itemEntity);
itemEntity->y.HALF.HI += 16;
itemEntity->z.HALF.HI = -32;
}
break;
default:
break;
}
sub_08049CF4(this);
DeleteThisEntity();
}
static bool32 ShouldSpawnTreeItem(Entity* this) {
int diff;
int expectedStateX, expectedStateY;
int playerState;
if (gPlayerEntity.action != PLAYER_BOUNCE) {
return FALSE;
}
diff = gPlayerEntity.x.HALF.HI - this->x.HALF.HI;
expectedStateX = 6;
if (diff & 0x8000) {
expectedStateX = 2;
}
diff += 40;
if ((u16)diff >= 80) {
return FALSE;
}
diff = gPlayerEntity.y.HALF.HI - this->y.HALF.HI;
expectedStateY = 0;
if (diff & 0x8000) {
expectedStateY = 4;
}
diff += 40;
if ((u16)diff >= 80) {
return FALSE;
}
playerState = gPlayerEntity.animationState;
if ((playerState == 0 && expectedStateY == 0) || (playerState == 4 && expectedStateY == 4) ||
(playerState == 6 && expectedStateX == 6) || (playerState == 2 && expectedStateX == 2)) {
return TRUE;
}
return FALSE;
}
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