tmc/src/object/mask.c

144 lines
3.3 KiB
C

/**
* @file mask.c
* @ingroup Objects
*
* @brief Mask object
*/
#define NENT_DEPRECATED
#include "functions.h"
#include "object.h"
typedef struct {
/*0x00*/ Entity base;
/*0x68*/ u8 unused1[16];
/*0x78*/ u16 unk_78;
/*0x7a*/ u16 unk_7a;
/*0x7c*/ u16 unk_7c;
/*0x7e*/ u16 unk_7e;
/*0x80*/ u8 unused2[6];
/*0x86*/ u16 unk_86;
} MaskEntity;
void Mask_Init(MaskEntity* this);
void Mask_Action1(MaskEntity* this);
void Mask_Action2(MaskEntity* this);
void Mask_Delete(MaskEntity* this);
void Mask(MaskEntity* this) {
static void (*const Mask_Actions[])(MaskEntity*) = {
Mask_Init,
Mask_Action1,
Mask_Action2,
Mask_Delete,
};
Mask_Actions[super->action](this);
}
void Mask_Init(MaskEntity* this) {
if (super->type2 & 0xC0) {
if (CheckFlags(this->unk_86)) {
s32 field_0x0a;
switch (super->type2 & 0xC0) {
case 0x40:
field_0x0a = gRoomTransition.stairs_idx;
switch (field_0x0a) {
case 0x44D ... 0x44F:
case 0x182:
DeleteThisEntity();
break;
default:
ClearFlag(this->unk_86);
}
break;
case 0x80:
DeleteThisEntity();
break;
}
}
}
super->action = 1;
super->zVelocity = Q_16_16(1.5);
this->unk_78 = ((Random() & 7) << 10) | 0x2000;
super->subtimer = super->timer >> 1;
super->timer = 0;
super->frameIndex = super->type2 & 0x3f;
this->unk_7e = COORD_TO_TILE(super);
this->unk_7c = GetTileIndex(this->unk_7e, 1);
this->unk_7a = sub_080B1B44(this->unk_7e, 1);
SetTile(0x4022, this->unk_7e, 1);
}
// Probably related to knocking it down
void Mask_Action1(MaskEntity* this) {
// Check for the first frame of bonking animation
if (gPlayerEntity.action != PLAYER_BOUNCE) {
return;
}
if (gPlayerEntity.animationState != 0) {
return;
}
// Check if link is close enough to the mask
if (super->y.HALF.HI + 40 < gPlayerEntity.y.HALF.HI) {
return;
}
if (super->x.HALF.HI - gPlayerEntity.x.HALF.HI >= super->subtimer ||
super->x.HALF.HI - gPlayerEntity.x.HALF.HI <= -super->subtimer) {
return;
}
// Presumably, make the mask fall
SetTile(this->unk_7c, this->unk_7e, 1);
sub_08000148(this->unk_7a, this->unk_7e, 1);
super->action = 2;
super->z.HALF.HI -= 0x20;
super->y.HALF.HI += 0x20;
super->spriteRendering.b3 = 2;
}
// Probably falling down
void Mask_Action2(MaskEntity* this) {
if (super->timer == 1) {
super->action = 3;
super->timer = 0;
switch (super->type2 & 0xC0) {
case 0x80:
EnqueueSFX(SFX_SECRET);
case 0x40:
SetFlag(this->unk_86);
break;
}
CreateFx(super, FX_POT_SHATTER, 0);
CreateRandomItemDrop(super, 3);
} else {
sub_080044EC(super, this->unk_78);
if (super->z.HALF.HI == 0) {
super->timer++;
}
}
}
void Mask_Delete(MaskEntity* this) {
DeleteThisEntity();
}