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/**
* @file pushableLever.c
* @ingroup Objects
*
* @brief Pushable Lever object
*/
#include "object.h"
#include "asm.h"
#include "sound.h"
#include "flags.h"
#include "room.h"
#include "player.h"
#include "tiles.h"
typedef struct {
/*0x00*/ Entity base;
/*0x68*/ u8 unk_68[8];
/*0x70*/ u16 tilePos;
/*0x72*/ u16 tileIndex;
/*0x74*/ u16 timer;
/*0x76*/ u8 unk_76[16];
/*0x86*/ u16 pushedFlag;
} PushableLeverEntity;
enum PushableLeverAction {
INIT,
IDLE,
PUSHING,
};
extern void (*const PushableLever_Actions[])(PushableLeverEntity*);
extern const u16 PushableLever_Tiles[];
extern const u8 PushableLever_InitialOffsets[];
extern const u8 PushableLever_PushedOffsets[];
void PushableLever_SetIdle(PushableLeverEntity*);
bool32 PushableLever_ShouldStartPushing(PushableLeverEntity* this);
void PushableLever_SetTiles(PushableLeverEntity*);
void PushableLever_CalculateSpriteOffsets(PushableLeverEntity*);
void PushableLever(PushableLeverEntity* this) {
PushableLever_Actions[super->action](this);
}
void PushableLever_Init(PushableLeverEntity* this) {
super->spritePriority.b0 = 5;
PushableLever_SetIdle(this);
}
void PushableLever_Idle(PushableLeverEntity* this) {
if (PushableLever_ShouldStartPushing(this)) {
super->action = PUSHING;
super->spriteOffsetX = 0;
super->spriteOffsetY = 0;
SetTile(this->tileIndex, this->tilePos, super->collisionLayer);
EnqueueSFX(SFX_16A);
RequestPriorityDuration(super, 30);
if (PlayerCanBeMoved()) {
gPlayerState.pushedObject = 0x90;
gPlayerState.queued_action = PLAYER_PUSH;
gPlayerState.flags |= PL_BUSY;
gPlayerEntity.base.x.HALF.LO = 0;
gPlayerEntity.base.y.HALF.LO = 0;
gPlayerEntity.base.direction = gPlayerEntity.base.animationState << 2;
}
}
}
void PushableLever_Pushing(PushableLeverEntity* this) {
GetNextFrame(super);
if ((super->frame & ANIM_DONE) != 0) {
if (super->type2 == 0) {
SetFlag(this->pushedFlag);
} else {
ClearFlag(this->pushedFlag);
}
PushableLever_SetIdle(this);
}
}
void PushableLever_SetIdle(PushableLeverEntity* this) {
super->action = IDLE;
this->timer = 60;
PushableLever_SetTiles(this);
}
void PushableLever_SetTiles(PushableLeverEntity* this) {
if (CheckFlags(this->pushedFlag) == FALSE) {
super->type2 = 0;
this->tilePos = COORD_TO_TILE_OFFSET(super, 0, 0x10);
this->tileIndex = GetTileIndex(this->tilePos, super->collisionLayer);
SetTile(SPECIAL_TILE_83, this->tilePos, super->collisionLayer);
InitializeAnimation(super, 1);
} else {
super->type2 = 1;
this->tilePos = COORD_TO_TILE_OFFSET(super, 0x10, 0);
this->tileIndex = GetTileIndex(this->tilePos, super->collisionLayer);
SetTile(SPECIAL_TILE_82, this->tilePos, super->collisionLayer);
InitializeAnimation(super, 0);
}
}
bool32 PushableLever_ShouldStartPushing(PushableLeverEntity* this) {
if (GetTileIndex(this->tilePos, super->collisionLayer) == SPECIAL_TILE_84) {
if (--this->timer == 0) {
return TRUE;
}
PushableLever_CalculateSpriteOffsets(this);
SetTile(PushableLever_Tiles[super->type2], this->tilePos, super->collisionLayer);
} else {
this->timer = 60;
super->spriteOffsetX = 0;
super->spriteOffsetY = 0;
}
return FALSE;
}
void PushableLever_CalculateSpriteOffsets(PushableLeverEntity* this) {
const u8* offsets;
if (super->type2 == 0) {
offsets = PushableLever_InitialOffsets;
} else {
offsets = PushableLever_PushedOffsets;
}
offsets = &offsets[(this->timer / 4) & 6];
super->spriteOffsetX = offsets[0];
super->spriteOffsetY = offsets[1];
if ((this->timer & 3) == 0) {
EnqueueSFX(SFX_PLACE_OBJ);
}
}
void (*const PushableLever_Actions[])(PushableLeverEntity*) = {
PushableLever_Init,
PushableLever_Idle,
PushableLever_Pushing,
};
const u16 PushableLever_Tiles[] = {
SPECIAL_TILE_83,
SPECIAL_TILE_82,
};
const u8 PushableLever_InitialOffsets[] = {
0, 0, 0, 0, 255, 0, 0, 0,
};
const u8 PushableLever_PushedOffsets[] = {
0, 0, 0, 0, 0, 255, 0, 0,
};
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