SlimeEntity.cpp
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SlimeEntity.cpp
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	#include "SlimeEntity.h"
	#include "PlayerEntity.h"
	#include "EnemyBoltEntity.h"
	#include "ExplosionEntity.h"
	#include "sfml_game/SpriteEntity.h"
	#include "sfml_game/ImageManager.h"
	#include "sfml_game/SoundManager.h"
	#include "Constants.h"
	#include "WitchBlastGame.h"

	SlimeEntity::SlimeEntity(float x, float y, slimeTypeEnum slimeType, bool invocated)
	: EnemyEntity (ImageManager::getInstance().getImage(IMAGE_SLIME), x, y)
	{
	creatureSpeed = 0.0f;
	velocity = Vector2D(0.0f, 0.0f);
	hp = SLIME_HP;
	meleeDamages = SLIME_DAMAGES;
	this->slimeType = slimeType;

	this->invocated = invocated;
	if (invocated)
	{
	type = ENTITY_ENEMY_INVOCATED;
	jumpingDelay = 0.1f;
	age = 0.0f;
	}
	else
	{
	jumpingDelay = 0.6f + 0.1f * (rand() % 20);
	}

	if (slimeType == SlimeTypeBlue)
	{
	resistance[ResistanceFrozen] = ResistanceImmune;
	resistance[ResistanceIce] = ResistanceVeryHigh;
	resistance[ResistanceFire] = ResistanceVeryLow;
	enemyType = invocated ? EnemyTypeSlimeBlue_invocated : EnemyTypeSlimeBlue;
	deathFrame = FRAME_CORPSE_SLIME_BLUE;
	}
	else if (slimeType == SlimeTypeRed)
	{
	resistance[ResistanceIce] = ResistanceVeryLow;
	resistance[ResistanceFire] = ResistanceVeryHigh;
	enemyType = invocated ? EnemyTypeSlimeRed_invocated : EnemyTypeSlimeRed;
	deathFrame = FRAME_CORPSE_SLIME_RED;
	}
	else if (slimeType == SlimeTypeViolet)
	{
	enemyType = invocated ? EnemyTypeSlimeViolet_invocated : EnemyTypeSlimeViolet;
	canExplode = false;
	deathFrame = FRAME_CORPSE_SLIME_VIOLET;
	}
	else
	{
	enemyType = invocated ? EnemyTypeSlime_invocated : EnemyTypeSlime;
	deathFrame = FRAME_CORPSE_SLIME;
	}

	bloodColor = BloodGreen;
	frame = 0;
	shadowFrame = 3;
	imagesProLine = 4;

	isJumping = false;
	h = 0.0f;

	viscosity = 0.98f;
	sprite.setOrigin(32, 44);

	isPet = false;
	willExplode = false;
	}

	void SlimeEntity::animate(float delay)
	{
	float slimeDelay = delay;
	if (specialState[SpecialStateIce].active) slimeDelay = delay * specialState[SpecialStateIce].param1;

	if (isJumping)
	{
	hVelocity -= 700.0f * slimeDelay;

	h += hVelocity * slimeDelay;

	bool firstTimeGround = false;

	if (h <= 0.0f)
	{
	if (hp <= 0)
	dying();
	else
	{
	h = 0.0f;
	if (isFirstJumping)
	{
	isFirstJumping = false;
	firstTimeGround = true;
	hVelocity = 160.0f;
	SoundManager::getInstance().playSound(SOUND_SLIME_IMAPCT);
	if (slimeType == SlimeTypeBlue \|\| slimeType == SlimeTypeRed)
	fire();
	else if (slimeType == SlimeTypeViolet)
	{
	hp = 0;
	dying();
	}
	}
	else
	{
	jumpingDelay = 0.4f + 0.1f * (rand() % 20);
	isJumping = false;
	SoundManager::getInstance().playSound(SOUND_SLIME_IMAPCT_WEAK);
	}
	}
	}
	if (firstTimeGround) frame = 0;
	else if (hVelocity > -190.0f) frame = 2;
	else frame = 1;
	}
	else
	{
	jumpingDelay -= slimeDelay;
	if (jumpingDelay < 0.0f)
	{
	SoundManager::getInstance().playSound(SOUND_SLIME_JUMP);
	hVelocity = 350.0f + rand() % 300;
	isJumping = true;
	isFirstJumping = true;

	float randVel = 250.0f + rand() % 250;

	if (!game().getPlayer()->isEquiped(EQUIP_MANUAL_SLIMES) && rand() % 2 == 0)
	{
	setVelocity(Vector2D(x, y).vectorTo(game().getPlayerPosition(), randVel ));
	}
	else
	velocity = Vector2D(randVel);
	}
	else if (jumpingDelay < 0.1f)
	frame = 1;
	else frame = 0;
	}

	EnemyEntity::animate(delay);
	z = y + 14;
	}

	void SlimeEntity::makeExplode()
	{
	if (isJumping)
	willExplode = true;
	else
	BaseCreatureEntity::makeExplode();
	}

	void SlimeEntity::readCollidingEntity(CollidingSpriteEntity* entity)
	{
	if (!isDying && !isAgonising && collideWithEntity(entity))
	{
	if (!isPet && (entity->getType() == ENTITY_PLAYER \|\| entity->getType() == ENTITY_BOLT ) )
	{
	PlayerEntity* playerEntity = dynamic_cast<PlayerEntity*>(entity);
	BoltEntity* boltEntity = dynamic_cast<BoltEntity*>(entity);

	if (playerEntity != NULL && !playerEntity->isDead())
	{
	if (playerEntity->hurt(getHurtParams(meleeDamages, meleeType, meleeDamages, false, SourceTypeMelee, enemyType, false)))
	{
	float xs = (x + playerEntity->getX()) / 2;
	float ys = (y + playerEntity->getY()) / 2;
	SpriteEntity* star = new SpriteEntity(ImageManager::getInstance().getImage(IMAGE_HURT_IMPACT), xs, ys);
	star->setFading(true);
	star->setZ(y+ 100);
	star->setLifetime(0.7f);
	star->setType(ENTITY_EFFECT);
	star->setSpin(400.0f);
	}
	inflictsRecoilTo(playerEntity);
	}

	else if (boltEntity != NULL && !boltEntity->getDying() && boltEntity->getAge() > 0.05f)
	{
	collideWithBolt(boltEntity);
	}
	}
	else // collision with other enemy ?
	{
	if (entity->getType() >= ENTITY_ENEMY && entity->getType() <= ENTITY_ENEMY_MAX_COUNT)
	{
	if (this != entity)
	{
	EnemyEntity* enemyEntity = static_cast<EnemyEntity*>(entity);
	if (enemyEntity->canCollide()) collideWithEnemy(enemyEntity);
	}
	}
	}
	}
	}

	void SlimeEntity::render(sf::RenderTarget* app)
	{
	if (!isDying && shadowFrame > -1)
	{
	// shadow
	sprite.setPosition(x, y);
	sprite.setTextureRect(sf::IntRect(shadowFrame * width, 0, width, height));
	app->draw(sprite);
	}
	sprite.setPosition(x, y - h);
	sprite.setTextureRect(sf::IntRect(frame * width, slimeType * height, width, height));
	app->draw(sprite);

	if (game().getShowLogical())
	{
	displayBoundingBox(app);
	displayCenterAndZ(app);
	}
	}

	void SlimeEntity::calculateBB()
	{
	if (isPet)
	{
	boundingBox.left = (int)x - 1;
	boundingBox.width = 2;
	boundingBox.top = (int)y - 1;
	boundingBox.height = 2;
	}
	else
	{
	boundingBox.left = (int)x - width / 2 + SLIME_BB_LEFT;
	boundingBox.width = width - SLIME_BB_WIDTH_DIFF;
	boundingBox.top = (int)y - height / 2 + SLIME_BB_TOP - 15;
	boundingBox.height = height - SLIME_BB_HEIGHT_DIFF;
	}
	}

	void SlimeEntity::collideMapRight()
	{
	// if (x > OFFSET_X + MAP_WIDTH * TILE_WIDTH)
	velocity.x = -velocity.x * 0.8f;
	}

	void SlimeEntity::collideMapLeft()
	{
	// if (x < OFFSET_X + MAP_WIDTH )
	velocity.x = -velocity.x * 0.8f;
	}

	void SlimeEntity::collideMapTop()
	{
	// if (y > OFFSET_Y + MAP_HEIGHT * TILE_HEIGHT)
	velocity.y = -velocity.y * 0.8f;
	}

	void SlimeEntity::collideMapBottom()
	{
	// if (y < OFFSET_Y + MAP_HEIGHT )
	velocity.y = -velocity.y * 0.8f;
	}

	void SlimeEntity::collideWithEnemy(EnemyEntity* entity)
	{
	if (recoil.active && recoil.stun) return;

	if (entity->getMovingStyle() == movWalking)
	{
	Vector2D vel = Vector2D(entity->getX(), entity->getY()).vectorTo(Vector2D(x, y), 100.0f );
	giveRecoil(false, vel, 0.3f);

	computeFacingDirection();
	}
	}

	bool SlimeEntity::collideWithMap(int direction)
	{
	calculateBB();

	int xTile0 = (boundingBox.left - offsetX) / tileWidth;
	int xTilef = (boundingBox.left + boundingBox.width - offsetX) / tileWidth;
	int yTile0 = (boundingBox.top - offsetY) / tileHeight;
	int yTilef = (boundingBox.top + boundingBox.height - offsetY) / tileHeight;

	if (boundingBox.top < 0) yTile0 = -1;

	for (int xTile = xTile0; xTile <= xTilef; xTile++)
	for (int yTile = yTile0; yTile <= yTilef; yTile++)
	{
	if (!game().getCurrentMap()->isFlyable(xTile, yTile))
	{
	switch (direction)
	{
	case DIRECTION_LEFT:
	if (map->isLeftBlocking(xTile, yTile)) return true;
	break;

	case DIRECTION_RIGHT:
	if (map->isRightBlocking(xTile, yTile)) return true;
	break;

	case DIRECTION_TOP:
	if (map->isUpBlocking(xTile, yTile)) return true;
	break;

	case DIRECTION_BOTTOM:
	if (map->isDownBlocking(xTile, yTile)) return true;
	break;
	}
	}
	}

	return false;
	}

	void SlimeEntity::dying()
	{
	if (slimeType == SlimeTypeViolet) explode();
	else if (willExplode) BaseCreatureEntity::makeExplode();
	EnemyEntity::dying();
	}

	void SlimeEntity::prepareDying()
	{
	if (!isJumping)
	dying();
	}

	bool SlimeEntity::canCollide()
	{
	return h <= 70.0f && hp > 0;
	}

	BaseCreatureEntity::enumMovingStyle SlimeEntity::getMovingStyle()
	{
	if (h <= 70.0f)
	return movWalking;
	else
	return movFlying;
	}

	void SlimeEntity::fire()
	{
	for (int i = 0; i < 4; i++)
	{
	EnemyBoltEntity* bolt;

	if (slimeType == SlimeTypeBlue)
	{
	bolt = new EnemyBoltEntity(x, y, ShotTypeIce, 0, enemyType);
	bolt->setDamages(5);
	}
	else if (slimeType == SlimeTypeRed)
	{
	bolt = new EnemyBoltEntity(x, y, ShotTypeFire, 0, enemyType);
	bolt->setDamages(8);
	}
	else
	return;

	switch (i)
	{
	case 0: bolt->setVelocity(Vector2D(SLIME_FIRE_VELOCITY, 0)); break;
	case 1: bolt->setVelocity(Vector2D(-SLIME_FIRE_VELOCITY, 0)); break;
	case 2: bolt->setVelocity(Vector2D(0, SLIME_FIRE_VELOCITY)); break;
	case 3: bolt->setVelocity(Vector2D(0, -SLIME_FIRE_VELOCITY)); break;
	}
	}
	if (slimeType == SlimeTypeBlue) SoundManager::getInstance().playSound(SOUND_BLAST_ICE);
	else if (slimeType == SlimeTypeRed) SoundManager::getInstance().playSound(SOUND_BLAST_FIRE);
	else SoundManager::getInstance().playSound(SOUND_BLAST_FLOWER);
	}

	void SlimeEntity::explode()
	{
	int damage = 12;
	if (isPet) damage = game().getPlayer()->isEquiped(EQUIP_BOOK_MAGIC_II) ? 24 : 18;

	new ExplosionEntity(x, y, ExplosionTypeStandard, damage, enemyType, true);
	game().makeShake(1.0f);
	SoundManager::getInstance().playSound(SOUND_BOOM_00);
	}

	void SlimeEntity::makePet(int direction)
	{
	isPet = true;
	hVelocity = 450.0f;
	SoundManager::getInstance().playSound(SOUND_SLIME_JUMP);
	isJumping = true;
	isFirstJumping = true;

	switch (direction)
	{
	case 4: velocity.x = -350.0f; velocity.y = -0; break;
	case 6: velocity.x = 350.0f; velocity.y = -0; break;
	case 2: velocity.y = 350.0f; velocity.x = -0; break;
	default: velocity.y = -350.0f; velocity.x = -0; break;
	}
	}

	void SlimeEntity::drop()
	{
	if (!invocated) EnemyEntity::drop();
	}

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