4jcraft/Minecraft.World/Entities/Mobs/FishingHook.cpp
2026-03-21 16:29:02 -05:00

415 lines
12 KiB
C++

#include "../../Platform/stdafx.h"
#include "../../Headers/net.minecraft.stats.h"
#include "../../Headers/net.minecraft.world.level.h"
#include "../../Headers/net.minecraft.world.level.tile.h"
#include "../../Headers/net.minecraft.world.phys.h"
#include "../../Headers/net.minecraft.world.entity.player.h"
#include "../../Headers/net.minecraft.world.item.h"
#include "../../Headers/net.minecraft.world.entity.item.h"
#include "../../Headers/net.minecraft.world.entity.h"
#include "../../Headers/net.minecraft.world.damagesource.h"
#include "../../Headers/com.mojang.nbt.h"
#include "FishingHook.h"
#include "../../Util/SoundTypes.h"
// 4J - added common ctor code.
void FishingHook::_init() {
// 4J Stu - This function call had to be moved here from the Entity ctor to
// ensure that the derived version of the function is called
this->defineSynchedData();
xTile = -1;
yTile = -1;
zTile = -1;
lastTile = 0;
inGround = false;
shakeTime = 0;
flightTime = 0;
nibble = 0;
hookedIn = nullptr;
lSteps = 0;
lx = 0.0;
ly = 0.0;
lz = 0.0;
lyr = 0.0;
lxr = 0.0;
lxd = 0.0;
lyd = 0.0;
lzd = 0.0;
owner = nullptr;
life = 0;
setSize(0.25f, 0.25f);
noCulling = true;
}
FishingHook::FishingHook(Level* level) : Entity(level) { _init(); }
FishingHook::FishingHook(Level* level, double x, double y, double z,
std::shared_ptr<Player> owner)
: Entity(level) {
_init();
this->owner = owner;
// 4J Stu - Moved this outside the ctor
// owner->fishing = std::dynamic_pointer_cast<FishingHook>(
// shared_from_this() );
setPos(x, y, z);
}
FishingHook::FishingHook(Level* level, std::shared_ptr<Player> mob)
: Entity(level) {
_init();
owner = mob;
// 4J Stu - Moved this outside the ctor
// owner->fishing = std::dynamic_pointer_cast<FishingHook>(
// shared_from_this() );
moveTo(mob->x, mob->y + 1.62 - mob->heightOffset, mob->z, mob->yRot,
mob->xRot);
x -= Mth::cos(yRot / 180 * PI) * 0.16f;
y -= 0.1f;
z -= Mth::sin(yRot / 180 * PI) * 0.16f;
setPos(x, y, z);
heightOffset = 0;
float speed = 0.4f;
xd = (-Mth::sin(yRot / 180 * PI) * Mth::cos(xRot / 180 * PI)) * speed;
zd = (Mth::cos(yRot / 180 * PI) * Mth::cos(xRot / 180 * PI)) * speed;
yd = (-Mth::sin(xRot / 180 * PI)) * speed;
shoot(xd, yd, zd, 1.5f, 1);
}
void FishingHook::defineSynchedData() {}
bool FishingHook::shouldRenderAtSqrDistance(double distance) {
double size = bb->getSize() * 4;
size *= 64.0f;
return distance < size * size;
}
void FishingHook::shoot(double xd, double yd, double zd, float pow,
float uncertainty) {
float dist = (float)sqrt(xd * xd + yd * yd + zd * zd);
xd /= dist;
yd /= dist;
zd /= dist;
xd += (random->nextGaussian()) * 0.0075f * uncertainty;
yd += (random->nextGaussian()) * 0.0075f * uncertainty;
zd += (random->nextGaussian()) * 0.0075f * uncertainty;
xd *= pow;
yd *= pow;
zd *= pow;
this->xd = xd;
this->yd = yd;
this->zd = zd;
double sd = sqrt(xd * xd + zd * zd);
yRotO = yRot = (float)(atan2(xd, zd) * 180 / PI);
xRotO = xRot = (float)(atan2(yd, sd) * 180 / PI);
life = 0;
}
void FishingHook::lerpTo(double x, double y, double z, float yRot, float xRot,
int steps) {
lx = x;
ly = y;
lz = z;
lyr = yRot;
lxr = xRot;
lSteps = steps;
xd = lxd;
yd = lyd;
zd = lzd;
}
void FishingHook::lerpMotion(double xd, double yd, double zd) {
lxd = this->xd = xd;
lyd = this->yd = yd;
lzd = this->zd = zd;
}
void FishingHook::tick() {
Entity::tick();
if (lSteps > 0) {
double xt = x + (lx - x) / lSteps;
double yt = y + (ly - y) / lSteps;
double zt = z + (lz - z) / lSteps;
double yrd = Mth::wrapDegrees(lyr - yRot);
yRot += (float)((yrd) / lSteps);
xRot += (float)((lxr - xRot) / lSteps);
lSteps--;
setPos(xt, yt, zt);
setRot(yRot, xRot);
return;
}
if (!level->isClientSide) {
std::shared_ptr<ItemInstance> selectedItem = owner->getSelectedItem();
if (owner->removed || !owner->isAlive() || selectedItem == NULL ||
selectedItem->getItem() != Item::fishingRod ||
distanceToSqr(owner) > 32 * 32) {
remove();
owner->fishing = nullptr;
return;
}
if (hookedIn != NULL) {
if (hookedIn->removed)
hookedIn = nullptr;
else {
x = hookedIn->x;
y = hookedIn->bb->y0 + hookedIn->bbHeight * 0.8;
z = hookedIn->z;
return;
}
}
}
if (shakeTime > 0) shakeTime--;
if (inGround) {
int tile = level->getTile(xTile, yTile, zTile);
if (tile != lastTile) {
life++;
if (life == 20 * 60) remove();
return;
} else {
inGround = false;
xd *= random->nextFloat() * 0.2f;
yd *= random->nextFloat() * 0.2f;
zd *= random->nextFloat() * 0.2f;
life = 0;
flightTime = 0;
}
} else {
flightTime++;
}
Vec3* from = Vec3::newTemp(x, y, z);
Vec3* to = Vec3::newTemp(x + xd, y + yd, z + zd);
HitResult* res = level->clip(from, to);
from = Vec3::newTemp(x, y, z);
to = Vec3::newTemp(x + xd, y + yd, z + zd);
if (res != NULL) {
to = Vec3::newTemp(res->pos->x, res->pos->y, res->pos->z);
}
std::shared_ptr<Entity> hitEntity = nullptr;
std::vector<std::shared_ptr<Entity> >* objects = level->getEntities(
shared_from_this(), bb->expand(xd, yd, zd)->grow(1, 1, 1));
double nearest = 0;
AUTO_VAR(itEnd, objects->end());
for (AUTO_VAR(it, objects->begin()); it != itEnd; it++) {
std::shared_ptr<Entity> e = *it; // objects->at(i);
if (!e->isPickable() || (e == owner && flightTime < 5)) continue;
float rr = 0.3f;
AABB* bb = e->bb->grow(rr, rr, rr);
HitResult* p = bb->clip(from, to);
if (p != NULL) {
double dd = from->distanceTo(p->pos);
if (dd < nearest || nearest == 0) {
hitEntity = e;
nearest = dd;
}
delete p;
}
}
if (hitEntity != NULL) {
delete res;
res = new HitResult(hitEntity);
}
if (res != NULL) {
if (res->entity != NULL) {
// 4J Stu Move fix for : fix for #48587 - CRASH: Code: Gameplay:
// Hitting another player with the fishing bobber crashes the game.
// [Fishing pole, line] Incorrect dynamic_pointer_cast used around
// the shared_from_this()
DamageSource* damageSource =
DamageSource::thrown(shared_from_this(), owner);
if (res->entity->hurt(damageSource, 0)) {
hookedIn = res->entity;
}
delete damageSource;
} else {
inGround = true;
}
}
delete res;
if (inGround) return;
move(xd, yd, zd);
double sd = sqrt(xd * xd + zd * zd);
yRot = (float)(atan2(xd, zd) * 180 / PI);
xRot = (float)(atan2(yd, sd) * 180 / PI);
while (xRot - xRotO < -180) xRotO -= 360;
while (xRot - xRotO >= 180) xRotO += 360;
while (yRot - yRotO < -180) yRotO -= 360;
while (yRot - yRotO >= 180) yRotO += 360;
xRot = xRotO + (xRot - xRotO) * 0.2f;
yRot = yRotO + (yRot - yRotO) * 0.2f;
float inertia = 0.92f;
if (onGround || horizontalCollision) {
inertia = 0.5f;
}
int steps = 5;
double waterPercentage = 0;
for (int i = 0; i < steps; i++) {
double y0 = bb->y0 + (bb->y1 - bb->y0) * (i + 0) / steps - 2 / 16.0f +
2 / 16.0f;
double y1 = bb->y0 + (bb->y1 - bb->y0) * (i + 1) / steps - 2 / 16.0f +
2 / 16.0f;
AABB* bb2 = AABB::newTemp(bb->x0, y0, bb->z0, bb->x1, y1, bb->z1);
if (level->containsLiquid(bb2, Material::water)) {
waterPercentage += 1.0 / steps;
}
}
if (waterPercentage > 0) {
if (nibble > 0) {
nibble--;
} else {
int nibbleOdds = 500;
if (level->isRainingAt(Mth::floor(x), Mth::floor(y) + 1,
Mth::floor(z)))
nibbleOdds = 300;
if (random->nextInt(nibbleOdds) == 0) {
nibble = random->nextInt(30) + 10;
yd -= 0.2f;
playSound(
eSoundType_RANDOM_SPLASH, 0.25f,
1 + (random->nextFloat() - random->nextFloat()) * 0.4f);
float yt = (float)Mth::floor(bb->y0);
for (int i = 0; i < 1 + bbWidth * 20; i++) {
float xo = (random->nextFloat() * 2 - 1) * bbWidth;
float zo = (random->nextFloat() * 2 - 1) * bbWidth;
level->addParticle(eParticleType_bubble, x + xo, yt + 1,
z + zo, xd,
yd - random->nextFloat() * 0.2f, zd);
}
for (int i = 0; i < 1 + bbWidth * 20; i++) {
float xo = (random->nextFloat() * 2 - 1) * bbWidth;
float zo = (random->nextFloat() * 2 - 1) * bbWidth;
level->addParticle(eParticleType_splash, x + xo, yt + 1,
z + zo, xd, yd, zd);
}
}
}
}
if (nibble > 0) {
yd -= random->nextFloat() * random->nextFloat() * random->nextFloat() *
0.2;
}
double bob = waterPercentage * 2 - 1;
yd += 0.04f * bob;
if (waterPercentage > 0) {
inertia *= 0.9;
yd *= 0.8;
}
xd *= inertia;
yd *= inertia;
zd *= inertia;
setPos(x, y, z);
}
void FishingHook::addAdditonalSaveData(CompoundTag* tag) {
tag->putShort(L"xTile", (short)xTile);
tag->putShort(L"yTile", (short)yTile);
tag->putShort(L"zTile", (short)zTile);
tag->putByte(L"inTile", (uint8_t)lastTile);
tag->putByte(L"shake", (uint8_t)shakeTime);
tag->putByte(L"inGround", (uint8_t)(inGround ? 1 : 0));
}
void FishingHook::readAdditionalSaveData(CompoundTag* tag) {
xTile = tag->getShort(L"xTile");
yTile = tag->getShort(L"yTile");
zTile = tag->getShort(L"zTile");
lastTile = tag->getByte(L"inTile") & 0xff;
shakeTime = tag->getByte(L"shake") & 0xff;
inGround = tag->getByte(L"inGround") == 1;
}
float FishingHook::getShadowHeightOffs() { return 0; }
int FishingHook::retrieve() {
if (level->isClientSide) return 0;
int dmg = 0;
if (hookedIn != NULL) {
double xa = owner->x - x;
double ya = owner->y - y;
double za = owner->z - z;
double dist = sqrt(xa * xa + ya * ya + za * za);
double speed = 0.1;
hookedIn->xd += xa * speed;
hookedIn->yd += ya * speed + sqrt(dist) * 0.08;
hookedIn->zd += za * speed;
dmg = 3;
} else if (nibble > 0) {
std::shared_ptr<ItemEntity> ie = std::shared_ptr<ItemEntity>(
new ItemEntity(this->Entity::level, x, y, z,
std::shared_ptr<ItemInstance>(
new ItemInstance(Item::fish_raw))));
double xa = owner->x - x;
double ya = owner->y - y;
double za = owner->z - z;
double dist = sqrt(xa * xa + ya * ya + za * za);
double speed = 0.1;
ie->Entity::xd = xa * speed;
ie->Entity::yd = ya * speed + sqrt(dist) * 0.08;
ie->Entity::zd = za * speed;
level->addEntity(ie);
owner->level->addEntity(
std::shared_ptr<ExperienceOrb>(new ExperienceOrb(
owner->level, owner->x, owner->y + 0.5f, owner->z + 0.5f,
random->nextInt(6) + 1))); // 4J Stu brought forward from 1.4
dmg = 1;
}
if (inGround) dmg = 2;
remove();
owner->fishing = nullptr;
return dmg;
}
// 4J Stu - Brought forward from 1.4
void FishingHook::remove() {
Entity::remove();
if (owner != NULL) owner->fishing = nullptr;
}