4jcraft/Minecraft.World/Core/ItemDispenseBehaviors.cpp
2026-03-21 15:54:53 -05:00

440 lines
15 KiB
C++

#include "../Platform/stdafx.h"
#include "../Headers/net.minecraft.world.entity.item.h"
#include "../Headers/net.minecraft.world.entity.projectile.h"
#include "../Headers/net.minecraft.world.level.h"
#include "../Headers/net.minecraft.world.level.tile.h"
#include "../Headers/net.minecraft.world.level.tile.entity.h"
#include "../Headers/net.minecraft.world.item.h"
#include "ItemDispenseBehaviors.h"
/* Arrow */
std::shared_ptr<Projectile> ArrowDispenseBehavior::getProjectile(
Level* world, Position* position) {
std::shared_ptr<Arrow> arrow = std::shared_ptr<Arrow>(
new Arrow(world, position->getX(), position->getY(), position->getZ()));
arrow->pickup = Arrow::PICKUP_ALLOWED;
return arrow;
}
/* ThrownEgg */
std::shared_ptr<Projectile> EggDispenseBehavior::getProjectile(
Level* world, Position* position) {
return std::shared_ptr<Projectile>(new ThrownEgg(
world, position->getX(), position->getY(), position->getZ()));
}
/* Snowball */
std::shared_ptr<Projectile> SnowballDispenseBehavior::getProjectile(
Level* world, Position* position) {
return std::shared_ptr<Projectile>(new Snowball(
world, position->getX(), position->getY(), position->getZ()));
}
/* Exp Bottle */
std::shared_ptr<Projectile> ExpBottleDispenseBehavior::getProjectile(
Level* world, Position* position) {
return std::shared_ptr<Projectile>(new ThrownExpBottle(
world, position->getX(), position->getY(), position->getZ()));
}
float ExpBottleDispenseBehavior::getUncertainty() {
return AbstractProjectileDispenseBehavior::getUncertainty() * .5f;
}
float ExpBottleDispenseBehavior::getPower() {
return AbstractProjectileDispenseBehavior::getPower() * 1.25f;
}
/* Thrown Potion */
ThrownPotionDispenseBehavior::ThrownPotionDispenseBehavior(int potionValue) {
m_potionValue = potionValue;
}
std::shared_ptr<Projectile> ThrownPotionDispenseBehavior::getProjectile(
Level* world, Position* position) {
return std::shared_ptr<Projectile>(
new ThrownPotion(world, position->getX(), position->getY(),
position->getZ(), m_potionValue));
}
float ThrownPotionDispenseBehavior::getUncertainty() {
return AbstractProjectileDispenseBehavior::getUncertainty() * .5f;
}
float ThrownPotionDispenseBehavior::getPower() {
return AbstractProjectileDispenseBehavior::getPower() * 1.25f;
}
/* Potion */
std::shared_ptr<ItemInstance> PotionDispenseBehavior::dispense(
BlockSource* source, std::shared_ptr<ItemInstance> dispensed) {
if (PotionItem::isThrowable(dispensed->getAuxValue())) {
return ThrownPotionDispenseBehavior(dispensed->getAuxValue())
.dispense(source, dispensed);
} else {
return DefaultDispenseItemBehavior::dispense(source, dispensed);
}
}
/* SpawnEggItem */
std::shared_ptr<ItemInstance> SpawnEggDispenseBehavior::execute(
BlockSource* source, std::shared_ptr<ItemInstance> dispensed,
eOUTCOME& outcome) {
FacingEnum* facing = DispenserTile::getFacing(source->getData());
// Spawn entity in the middle of the block in front of the dispenser
double spawnX = source->getX() + facing->getStepX();
double spawnY = source->getBlockY() + .2f; // Above pressure plates
double spawnZ = source->getZ() + facing->getStepZ();
int iResult = 0;
std::shared_ptr<Entity> entity =
SpawnEggItem::spawnMobAt(source->getWorld(), dispensed->getAuxValue(),
spawnX, spawnY, spawnZ, &iResult);
// 4J-JEV: Added in-case spawn limit is encountered.
if (entity == NULL) {
outcome = LEFT_ITEM;
return dispensed;
}
if (entity->instanceof(eTYPE_MOB) && dispensed->hasCustomHoverName()) {
std::dynamic_pointer_cast<Mob>(entity)->setCustomName(
dispensed->getHoverName());
}
outcome = ACTIVATED_ITEM;
dispensed->remove(1);
return dispensed;
}
/* Fireworks*/
std::shared_ptr<ItemInstance> FireworksDispenseBehavior::execute(
BlockSource* source, std::shared_ptr<ItemInstance> dispensed,
eOUTCOME& outcome) {
Level* world = source->getWorld();
if (world->countInstanceOf(eTYPE_PROJECTILE, false) >=
Level::MAX_DISPENSABLE_PROJECTILES) {
outcome = LEFT_ITEM;
return dispensed;
}
FacingEnum* facing = DispenserTile::getFacing(source->getData());
double spawnX = source->getX() + facing->getStepX();
double spawnY = source->getBlockY() + .2f;
double spawnZ = source->getZ() + facing->getStepZ();
std::shared_ptr<FireworksRocketEntity> firework =
std::shared_ptr<FireworksRocketEntity>(new FireworksRocketEntity(
world, spawnX, spawnY, spawnZ, dispensed));
source->getWorld()->addEntity(firework);
outcome = ACTIVATED_ITEM;
dispensed->remove(1);
return dispensed;
}
void FireworksDispenseBehavior::playSound(BlockSource* source,
eOUTCOME outcome) {
// 4J-JEV: This is exactly the same as the default at the moment.
// source->getWorld()->levelEvent(LevelEvent::SOUND_CLICK,
// source->getBlockX(), source->getBlockY(), source->getBlockZ(), 0);
DefaultDispenseItemBehavior::playSound(source, outcome);
}
/* Fireballs */
std::shared_ptr<ItemInstance> FireballDispenseBehavior::execute(
BlockSource* source, std::shared_ptr<ItemInstance> dispensed,
eOUTCOME& outcome) {
Level* world = source->getWorld();
if (world->countInstanceOf(eTYPE_SMALL_FIREBALL, true) >=
Level::MAX_DISPENSABLE_FIREBALLS) {
outcome = LEFT_ITEM;
return dispensed;
}
FacingEnum* facing = DispenserTile::getFacing(source->getData());
Position* position = DispenserTile::getDispensePosition(source);
double spawnX = position->getX() + facing->getStepX() * .3f;
double spawnY = position->getY() + facing->getStepX() * .3f;
double spawnZ = position->getZ() + facing->getStepZ() * .3f;
delete position;
Random* random = world->random;
double dirX = random->nextGaussian() * .05 + facing->getStepX();
double dirY = random->nextGaussian() * .05 + facing->getStepY();
double dirZ = random->nextGaussian() * .05 + facing->getStepZ();
world->addEntity(std::shared_ptr<SmallFireball>(
new SmallFireball(world, spawnX, spawnY, spawnZ, dirX, dirY, dirZ)));
outcome = ACTIVATED_ITEM;
dispensed->remove(1);
return dispensed;
}
void FireballDispenseBehavior::playSound(BlockSource* source,
eOUTCOME outcome) {
if (outcome == ACTIVATED_ITEM) {
source->getWorld()->levelEvent(LevelEvent::SOUND_BLAZE_FIREBALL,
source->getBlockX(), source->getBlockY(),
source->getBlockZ(), 0);
} else {
DefaultDispenseItemBehavior::playSound(source, outcome);
}
}
/* Boats */
BoatDispenseBehavior::BoatDispenseBehavior() : DefaultDispenseItemBehavior() {
defaultDispenseItemBehavior = new DefaultDispenseItemBehavior();
}
BoatDispenseBehavior::~BoatDispenseBehavior() {
delete defaultDispenseItemBehavior;
}
std::shared_ptr<ItemInstance> BoatDispenseBehavior::execute(
BlockSource* source, std::shared_ptr<ItemInstance> dispensed,
eOUTCOME& outcome) {
FacingEnum* facing = DispenserTile::getFacing(source->getData());
Level* world = source->getWorld();
// Spawn the boat 'just' outside the dispenser, it overlaps 2 'pixels' now.
double spawnX = source->getX() + facing->getStepX() * (1 + 2.0f / 16);
double spawnY = source->getY() + facing->getStepY() * (1 + 2.0f / 16);
double spawnZ = source->getZ() + facing->getStepZ() * (1 + 2.0f / 16);
int frontX = source->getBlockX() + facing->getStepX();
int frontY = source->getBlockY() + facing->getStepY();
int frontZ = source->getBlockZ() + facing->getStepZ();
Material* inFront = world->getMaterial(frontX, frontY, frontZ);
double yOffset;
// 4J: If we're at limit, just dispense item (instead of adding boat)
if (world->countInstanceOf(eTYPE_BOAT, true) >= Level::MAX_XBOX_BOATS) {
return defaultDispenseItemBehavior->dispense(source, dispensed);
}
if (Material::water == inFront) {
yOffset = 1;
} else if (Material::air == inFront &&
Material::water ==
world->getMaterial(frontX, frontY - 1, frontZ)) {
yOffset = 0;
} else {
return defaultDispenseItemBehavior->dispense(source, dispensed);
}
outcome = ACTIVATED_ITEM;
std::shared_ptr<Boat> boat = std::shared_ptr<Boat>(
new Boat(world, spawnX, spawnY + yOffset, spawnZ));
world->addEntity(boat);
dispensed->remove(1);
return dispensed;
}
void BoatDispenseBehavior::playSound(BlockSource* source, eOUTCOME outcome) {
// 4J-JEV: This is exactly the same as the default at the moment.
// source->getWorld()->levelEvent(LevelEvent::SOUND_CLICK,
// source->getBlockX(), source->getBlockY(), source->getBlockZ(), 0);
DefaultDispenseItemBehavior::playSound(source, outcome);
}
/* FilledBucket */
std::shared_ptr<ItemInstance> FilledBucketDispenseBehavior::execute(
BlockSource* source, std::shared_ptr<ItemInstance> dispensed,
eOUTCOME& outcome) {
BucketItem* bucket = (BucketItem*)dispensed->getItem();
int sourceX = source->getBlockX();
int sourceY = source->getBlockY();
int sourceZ = source->getBlockZ();
FacingEnum* facing = DispenserTile::getFacing(source->getData());
if (bucket->emptyBucket(source->getWorld(), sourceX + facing->getStepX(),
sourceY + facing->getStepY(),
sourceZ + facing->getStepZ())) {
dispensed->id = Item::bucket_empty->id;
dispensed->count = 1;
outcome = ACTIVATED_ITEM;
return dispensed;
}
return DefaultDispenseItemBehavior::dispense(source, dispensed);
}
/* EmptyBucket */
std::shared_ptr<ItemInstance> EmptyBucketDispenseBehavior::execute(
BlockSource* source, std::shared_ptr<ItemInstance> dispensed,
eOUTCOME& outcome) {
FacingEnum* facing = DispenserTile::getFacing(source->getData());
Level* world = source->getWorld();
int targetX = source->getBlockX() + facing->getStepX();
int targetY = source->getBlockY() + facing->getStepY();
int targetZ = source->getBlockZ() + facing->getStepZ();
Material* material = world->getMaterial(targetX, targetY, targetZ);
int dataValue = world->getData(targetX, targetY, targetZ);
Item* targetType;
if (Material::water == material && dataValue == 0) {
targetType = Item::bucket_water;
} else if (Material::lava == material && dataValue == 0) {
targetType = Item::bucket_lava;
} else {
return DefaultDispenseItemBehavior::execute(source, dispensed, outcome);
}
world->removeTile(targetX, targetY, targetZ);
if (--dispensed->count == 0) {
dispensed->id = targetType->id;
dispensed->count = 1;
} else if (std::dynamic_pointer_cast<DispenserTileEntity>(
source->getEntity())
->addItem(std::shared_ptr<ItemInstance>(
new ItemInstance(targetType))) < 0) {
DefaultDispenseItemBehavior::dispense(
source,
std::shared_ptr<ItemInstance>(new ItemInstance(targetType)));
}
outcome = ACTIVATED_ITEM;
return dispensed;
}
/* Flint and Steel */
std::shared_ptr<ItemInstance> FlintAndSteelDispenseBehavior::execute(
BlockSource* source, std::shared_ptr<ItemInstance> dispensed,
eOUTCOME& outcome) {
outcome = ACTIVATED_ITEM;
FacingEnum* facing = DispenserTile::getFacing(source->getData());
Level* world = source->getWorld();
int targetX = source->getBlockX() + facing->getStepX();
int targetY = source->getBlockY() + facing->getStepY();
int targetZ = source->getBlockZ() + facing->getStepZ();
if (world->isEmptyTile(targetX, targetY, targetZ)) {
world->setTileAndUpdate(targetX, targetY, targetZ, Tile::fire_Id);
if (dispensed->hurt(1, world->random)) {
dispensed->count = 0;
}
} else if (world->getTile(targetX, targetY, targetZ) == Tile::tnt_Id) {
Tile::tnt->destroy(world, targetX, targetY, targetZ, 1);
world->removeTile(targetX, targetY, targetZ);
} else {
outcome = LEFT_ITEM;
}
return dispensed;
}
void FlintAndSteelDispenseBehavior::playSound(BlockSource* source,
eOUTCOME outcome) {
if (outcome == ACTIVATED_ITEM) {
source->getWorld()->levelEvent(LevelEvent::SOUND_CLICK,
source->getBlockX(), source->getBlockY(),
source->getBlockZ(), 0);
} else {
source->getWorld()->levelEvent(LevelEvent::SOUND_CLICK_FAIL,
source->getBlockX(), source->getBlockY(),
source->getBlockZ(), 0);
}
}
/* Dye */
std::shared_ptr<ItemInstance> DyeDispenseBehavior::execute(
BlockSource* source, std::shared_ptr<ItemInstance> dispensed,
eOUTCOME& outcome) {
if (dispensed->getAuxValue() == DyePowderItem::WHITE) {
FacingEnum* facing = DispenserTile::getFacing(source->getData());
Level* world = source->getWorld();
int targetX = source->getBlockX() + facing->getStepX();
int targetY = source->getBlockY() + facing->getStepY();
int targetZ = source->getBlockZ() + facing->getStepZ();
if (DyePowderItem::growCrop(dispensed, world, targetX, targetY, targetZ,
false)) {
if (!world->isClientSide)
world->levelEvent(LevelEvent::PARTICLES_PLANT_GROWTH, targetX,
targetY, targetZ, 0);
outcome = ACTIVATED_ITEM;
} else {
outcome = LEFT_ITEM;
}
return dispensed;
} else {
return DefaultDispenseItemBehavior::execute(source, dispensed, outcome);
}
}
void DyeDispenseBehavior::playSound(BlockSource* source, eOUTCOME outcome) {
if (outcome == ACTIVATED_ITEM) {
source->getWorld()->levelEvent(LevelEvent::SOUND_CLICK,
source->getBlockX(), source->getBlockY(),
source->getBlockZ(), 0);
} else {
source->getWorld()->levelEvent(LevelEvent::SOUND_CLICK_FAIL,
source->getBlockX(), source->getBlockY(),
source->getBlockZ(), 0);
}
}
/* TNT */
std::shared_ptr<ItemInstance> TntDispenseBehavior::execute(
BlockSource* source, std::shared_ptr<ItemInstance> dispensed,
eOUTCOME& outcome) {
FacingEnum* facing = DispenserTile::getFacing(source->getData());
Level* world = source->getWorld();
if (world->newPrimedTntAllowed() &&
app.GetGameHostOption(eGameHostOption_TNT)) {
int targetX = source->getBlockX() + facing->getStepX();
int targetY = source->getBlockY() + facing->getStepY();
int targetZ = source->getBlockZ() + facing->getStepZ();
std::shared_ptr<PrimedTnt> tnt = std::shared_ptr<PrimedTnt>(
new PrimedTnt(world, targetX + 0.5f, targetY + 0.5f, targetZ + 0.5f,
nullptr));
world->addEntity(tnt);
outcome = ACTIVATED_ITEM;
dispensed->count--;
} else {
outcome = LEFT_ITEM;
}
return dispensed;
}