2022-06-20 22:34:47 +02:00

295 lines
8.8 KiB
Java

package com.hbm.entity.effect;
import java.util.ArrayList;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.entity.Entity;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.MathHelper;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
/*
* Toroidial Convection Simulation Explosion Effect
* Tor Ex
*/
public class EntityNukeTorex extends Entity {
public double coreHeight = 3;
public double convectionHeight = 3;
public double torusWidth = 3;
public double rollerSize = 1;
public double heat = 1;
public ArrayList<Cloudlet> cloudlets = new ArrayList();
public static int cloudletLife = 200;
public EntityNukeTorex(World world) {
super(world);
this.ignoreFrustumCheck = true;
}
@Override
protected void entityInit() { }
@Override
public void onUpdate() {
this.ticksExisted++;
int maxAge = 90 * 20;
if(worldObj.isRemote) {
double range = (torusWidth - rollerSize) * 0.25;
if(this.ticksExisted + cloudletLife * 2 < maxAge) {
int toSpawn = (int) Math.ceil(10 * getSimulationSpeed());
for(int i = 0; i < toSpawn; i++) {
double y = posY + rand.nextGaussian() - 3; //this.ticksExisted < 60 ? this.posY + this.coreHeight : posY + rand.nextGaussian() - 3;
Cloudlet cloud = new Cloudlet(posX + rand.nextGaussian() * range, y, posZ + rand.nextGaussian() * range, (float)(rand.nextDouble() * 2D * Math.PI), 0);
cloud.setScale(1F + this.ticksExisted * 0.001F, 5F);
cloudlets.add(cloud);
}
}
int cloudCount = ticksExisted * 3;
if(ticksExisted < 200) {
for(int i = 0; i < cloudCount; i++) {
Vec3 vec = Vec3.createVectorHelper((ticksExisted + rand.nextDouble()) * 2, 0, 0);
float rot = (float) (Math.PI * 2 * rand.nextDouble());
vec.rotateAroundY(rot);
this.cloudlets.add(new Cloudlet(vec.xCoord + posX, worldObj.getHeightValue((int) (vec.xCoord + posX) + 1, (int) (vec.zCoord + posZ)), vec.zCoord + posZ, rot, 0)
.setScale(5F, 2F)
.setMotion(0));
}
}
for(Cloudlet cloud : cloudlets) {
cloud.update();
}
coreHeight += 0.15;
torusWidth += 0.05;
rollerSize = torusWidth * 0.35;
convectionHeight = coreHeight + rollerSize;
int maxHeat = 50;
heat = maxHeat - Math.pow((maxHeat * this.ticksExisted) / maxAge, 1);
cloudlets.removeIf(x -> x.isDead);
}
if(!worldObj.isRemote && this.ticksExisted > maxAge) {
this.setDead();
}
}
public double getSimulationSpeed() {
if(EntityNukeTorex.this.ticksExisted > 45 * 20) {
int timeLeft = 1600 - EntityNukeTorex.this.ticksExisted;
return MathHelper.clamp_double((double) timeLeft / 900D, 0, 1);
}
return 1.0D;
}
public class Cloudlet {
public double posX;
public double posY;
public double posZ;
public double prevPosX;
public double prevPosY;
public double prevPosZ;
public double motionX;
public double motionY;
public double motionZ;
public int age;
public float angle;
public boolean isDead = false;
float rangeMod = 1.0F;
public float colorMod = 1.0F;
public Vec3 color;
public Vec3 prevColor;
public Cloudlet(double posX, double posY, double posZ, float angle, int age) {
this.posX = posX;
this.posY = posY;
this.posZ = posZ;
this.age = age;
this.angle = angle;
this.rangeMod = 0.3F + rand.nextFloat() * 0.7F;
this.colorMod = 0.8F + rand.nextFloat() * 0.2F;
this.updateColor();
}
private void update() {
age++;
if(age > cloudletLife) {
this.isDead = true;
}
this.prevPosX = this.posX;
this.prevPosY = this.posY;
this.prevPosZ = this.posZ;
Vec3 simPos = Vec3.createVectorHelper(EntityNukeTorex.this.posX - this.posX, 0, EntityNukeTorex.this.posZ - this.posZ);
double simPosX = EntityNukeTorex.this.posX + simPos.lengthVector();
double simPosZ = EntityNukeTorex.this.posZ + 0D;
Vec3 convection = getConvectionMotion(simPosX, simPosZ);
Vec3 lift = getLiftMotion(simPosX, simPosZ);
double factor = MathHelper.clamp_double((this.posY - EntityNukeTorex.this.posY) / EntityNukeTorex.this.coreHeight, 0, 1);
this.motionX = convection.xCoord * factor + lift.xCoord * (1D - factor);
this.motionY = convection.yCoord * factor + lift.yCoord * (1D - factor);
this.motionZ = convection.zCoord * factor + lift.zCoord * (1D - factor);
double mult = this.motionMult * getSimulationSpeed();
this.posX += this.motionX * mult;
this.posY += this.motionY * mult;
this.posZ += this.motionZ * mult;
this.updateColor();
}
/* simulated on a 2D-plane along the X/Y axis */
private Vec3 getConvectionMotion(double simPosX, double simPosZ) {
if(simPosX > EntityNukeTorex.this.posX + torusWidth * 2)
return Vec3.createVectorHelper(0, 0, 0);
/* the position of the torus' outer ring center */
Vec3 torusPos = Vec3.createVectorHelper(
(EntityNukeTorex.this.posX + torusWidth),
(EntityNukeTorex.this.posY + coreHeight),
EntityNukeTorex.this.posZ);
/* the difference between the cloudlet and the torus' ring center */
Vec3 delta = Vec3.createVectorHelper(torusPos.xCoord - simPosX, torusPos.yCoord - this.posY, torusPos.zCoord - simPosZ);
/* the distance this cloudlet wants to achieve to the torus' ring center */
double roller = EntityNukeTorex.this.rollerSize * this.rangeMod;
/* the distance between this cloudlet and the torus' outer ring perimeter */
double dist = delta.lengthVector() / roller - 1D;
/* euler function based on how far the cloudlet is away from the perimeter */
double func = 1D - Math.pow(Math.E, -dist); // [0;1]
/* just an approximation, but it's good enough */
float angle = (float) (func * Math.PI * 0.5D); // [0;90°]
/* vector going from the ring center in the direction of the cloudlet, stopping at the perimeter */
Vec3 rot = Vec3.createVectorHelper(-delta.xCoord / dist, -delta.yCoord / dist, -delta.zCoord / dist);
/* rotate by the approximate angle */
rot.rotateAroundZ(angle);
/* the direction from the cloudlet to the target position on the perimeter */
Vec3 motion = Vec3.createVectorHelper(
torusPos.xCoord + rot.xCoord - simPosX,
torusPos.yCoord + rot.yCoord - this.posY,
torusPos.zCoord + rot.zCoord - simPosZ);
motion = motion.normalize();
motion.rotateAroundY(this.angle);
return motion;
}
private Vec3 getLiftMotion(double simPosX, double simPosZ) {
double scale = MathHelper.clamp_double(1D - (simPosX - (EntityNukeTorex.this.posX + torusWidth)), 0, 1);
Vec3 motion = Vec3.createVectorHelper(EntityNukeTorex.this.posX - this.posX, (EntityNukeTorex.this.posY + convectionHeight) - this.posY, EntityNukeTorex.this.posZ - this.posZ);
motion = motion.normalize();
motion.xCoord *= scale;
motion.yCoord *= scale;
motion.zCoord *= scale;
return motion;
}
private void updateColor() {
this.prevColor = this.color;
double exX = EntityNukeTorex.this.posX;
double exY = EntityNukeTorex.this.posY + EntityNukeTorex.this.coreHeight;
double exZ = EntityNukeTorex.this.posZ;
double distX = exX - posX;
double distY = exY - posY;
double distZ = exZ - posZ;
double distSq = distX * distX + distY * distY + distZ * distZ;
distSq /= EntityNukeTorex.this.heat;
double dist = Math.sqrt(distSq);
dist = Math.max(dist, 1);
double col = 2D / dist;
this.color = Vec3.createVectorHelper(
Math.max(col * 2, 0.25),
Math.max(col * 1.5, 0.25),
Math.max(col * 0.5, 0.25)
);
}
public Vec3 getInterpPos(float interp) {
return Vec3.createVectorHelper(
prevPosX + (posX - prevPosX) * interp,
prevPosY + (posY - prevPosY) * interp,
prevPosZ + (posZ - prevPosZ) * interp);
}
public Vec3 getInterpColor(float interp) {
return Vec3.createVectorHelper(
prevColor.xCoord + (color.xCoord - prevColor.xCoord) * interp,
prevColor.yCoord + (color.yCoord - prevColor.yCoord) * interp,
prevColor.zCoord + (color.zCoord - prevColor.zCoord) * interp);
}
public float getAlpha() {
return 1F - ((float)age / (float)cloudletLife);
}
private float startingScale = 1;
private float growingScale = 5F;
public float getScale() {
return startingScale + ((float)age / (float)cloudletLife) * growingScale;
}
public Cloudlet setScale(float start, float grow) {
this.startingScale = start;
this.growingScale = grow;
return this;
}
private double motionMult = 1F;
public Cloudlet setMotion(double mult) {
this.motionMult = mult;
return this;
}
}
@Override
protected void readEntityFromNBT(NBTTagCompound nbt) { }
@Override
protected void writeEntityToNBT(NBTTagCompound nbt) { }
@Override
@SideOnly(Side.CLIENT)
public boolean isInRangeToRenderDist(double distance) {
return distance < 25000;
}
}