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Backport the faster fallout algorithm

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MartinTheDragon 2022-03-09 16:56:53 +01:00
parent 70299728da
commit 1f28a7c9f5
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GPG Key ID: F03B4EA7AB5A6C23
2 changed files with 85 additions and 66 deletions
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8
src/main/java/com/hbm/config/BombConfig.java
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@ -80,17 +80,13 @@ public class BombConfig {
Property propBlastSpeed = config.get(CATEGORY_NUKE, "6.01_blastSpeed", 1024);
propBlastSpeed.comment = "Base speed of MK3 system (old and schrabidium) detonations (Blocks / tick)";
blastSpeed = propBlastSpeed.getInt();
// fallout range
// new explosion speed
Property propFalloutRange = config.get(CATEGORY_NUKE, "6.02_blastSpeedNew", 1024);
propFalloutRange.comment = "Base speed of MK4 system (new) detonations (Blocks / tick)";
mk4 = propFalloutRange.getInt();
// fallout speed
// fallout range
Property falloutRangeProp = config.get(CATEGORY_NUKE, "6.03_falloutRange", 100);
falloutRangeProp.comment = "Radius of fallout area (base radius * value in percent)";
falloutRange = falloutRangeProp.getInt();
// new explosion speed
Property falloutSpeed = config.get(CATEGORY_NUKE, "6.04_falloutSpeed", 256);
falloutSpeed.comment = "Blocks processed per tick by the fallout rain";
fSpeed = falloutSpeed.getInt();
}
}

143
src/main/java/com/hbm/entity/effect/EntityFalloutRain.java
View File

@ -1,24 +1,23 @@
package com.hbm.entity.effect;
import com.hbm.blocks.ModBlocks;
import com.hbm.config.BombConfig;
import com.hbm.config.RadiationConfig;
import com.hbm.config.VersatileConfig;
import com.hbm.saveddata.AuxSavedData;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.entity.Entity;
import net.minecraft.init.Blocks;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.Vec3;
import net.minecraft.world.ChunkCoordIntPair;
import net.minecraft.world.World;
import net.minecraftforge.common.util.ForgeDirection;
import java.util.*;
public class EntityFalloutRain extends Entity {
public int revProgress;
public int radProgress;
private boolean firstTick = true; // Of course Vanilla has it private in Entity...
public EntityFalloutRain(World p_i1582_1_) {
super(p_i1582_1_);
@ -35,47 +34,28 @@ public class EntityFalloutRain extends Entity {
@Override
public void onUpdate() {
if(!worldObj.isRemote) {
for(int i = 0; i < BombConfig.fSpeed; i++) {
Vec3 vec = Vec3.createVectorHelper(radProgress * 0.5, 0, 0);
double circum = radProgress * 2 * Math.PI * 2;
///
if(circum == 0)
circum = 1;
///
double part = 360D / circum;
vec.rotateAroundY((float) (part * revProgress));
int x = (int) (posX + vec.xCoord);
int z = (int) (posZ + vec.zCoord);
//int y = worldObj.getHeightValue(x, z) - 1;
//if(worldObj.getBlock(x, y, z) == Blocks.grass)
// worldObj.setBlock(x, y, z, ModBlocks.waste_earth);
double dist = radProgress * 100 / getScale() * 0.5;
stomp(x, z, dist);
revProgress++;
if(revProgress > circum) {
revProgress = 0;
radProgress++;
}
if(radProgress > getScale() * 2D) {
this.setDead();
}
}
if (firstTick) {
if (chunksToProcess.isEmpty() && outerChunksToProcess.isEmpty()) gatherChunks();
firstTick = false;
}
if (!chunksToProcess.isEmpty()) {
long chunkPos = chunksToProcess.remove(chunksToProcess.size() - 1); // Just so it doesn't shift the whole list every time
int chunkPosX = (int) (chunkPos & Integer.MAX_VALUE);
int chunkPosZ = (int) (chunkPos >> 32 & Integer.MAX_VALUE);
for (int x = chunkPosX << 4; x <= (chunkPosX << 4) + 16; x++) for (int z = chunkPosZ << 4; z <= (chunkPosZ << 4) + 16; z++)
stomp(x, z, Math.hypot(x - posX, z - posZ) * 100 / getScale());
} else if (!outerChunksToProcess.isEmpty()) {
long chunkPos = outerChunksToProcess.remove(outerChunksToProcess.size() - 1);
int chunkPosX = (int) (chunkPos & Integer.MAX_VALUE);
int chunkPosZ = (int) (chunkPos >> 32 & Integer.MAX_VALUE);
for (int x = chunkPosX << 4; x <= (chunkPosX << 4) + 16; x++) for (int z = chunkPosZ << 4; z <= (chunkPosZ << 4) + 16; z++) {
double distance = Math.hypot(x - posX, z - posZ);
if (distance <= getScale()) stomp(x, z, distance * 100 / getScale());
}
} else setDead();
if(this.isDead) {
if(RadiationConfig.rain > 0 && getScale() > 150) {
worldObj.getWorldInfo().setRaining(true);
@ -87,6 +67,32 @@ public class EntityFalloutRain extends Entity {
}
}
}
private final List<Long> chunksToProcess = new ArrayList<>();
private final List<Long> outerChunksToProcess = new ArrayList<>();
// Is it worth the effort to split this into a method that can be called over multiple ticks? I'd say it's fast enough anyway...
private void gatherChunks() {
Set<Long> chunks = new LinkedHashSet<>(); // LinkedHashSet preserves insertion order
Set<Long> outerChunks = new LinkedHashSet<>();
int outerRange = getScale();
for (int angle = 0; angle <= 720; angle++) { // TODO Make this adjust to the fallout's scale
Vec3 vector = Vec3.createVectorHelper(outerRange, 0, 0);
vector.rotateAroundY((float) (angle / 180.0 * Math.PI)); // Ugh, mutable data classes (also, ugh, radians; it uses degrees in 1.18; took me two hours to debug)
outerChunks.add(ChunkCoordIntPair.chunkXZ2Int((int) (posX + vector.xCoord) >> 4, (int) (posZ + vector.zCoord) >> 4));
}
for (int distance = 0; distance <= outerRange; distance += 8) for (int angle = 0; angle <= 720; angle++) {
Vec3 vector = Vec3.createVectorHelper(distance, 0, 0);
vector.rotateAroundY((float) (angle / 180.0 * Math.PI));
long chunkCoord = ChunkCoordIntPair.chunkXZ2Int((int) (posX + vector.xCoord) >> 4, (int) (posZ + vector.zCoord) >> 4);
if (!outerChunks.contains(chunkCoord)) chunks.add(chunkCoord);
}
chunksToProcess.addAll(chunks);
outerChunksToProcess.addAll(outerChunks);
Collections.reverse(chunksToProcess); // So it starts nicely from the middle
Collections.reverse(outerChunksToProcess);
}
private void stomp(int x, int z, double dist) {
@ -103,7 +109,7 @@ public class EntityFalloutRain extends Entity {
if(b != ModBlocks.fallout && (ab == Blocks.air || (ab.isReplaceable(worldObj, x, y + 1, z) && !ab.getMaterial().isLiquid()))) {
double d = (double) radProgress / (double) getScale() * 0.5;
double d = dist / 100;
double chance = 0.05 - Math.pow((d - 0.6) * 0.5, 2);
@ -219,33 +225,50 @@ public class EntityFalloutRain extends Entity {
@Override
protected void entityInit() {
this.dataWatcher.addObject(16, Integer.valueOf(0));
this.dataWatcher.addObject(16, 0);
}
@Override
protected void readEntityFromNBT(NBTTagCompound p_70037_1_) {
setScale(p_70037_1_.getInteger("scale"));
revProgress = p_70037_1_.getInteger("revProgress");
radProgress = p_70037_1_.getInteger("radProgress");
protected void readEntityFromNBT(NBTTagCompound tag) {
setScale(tag.getInteger("scale"));
chunksToProcess.addAll(readChunksFromIntArray(tag.getIntArray("chunks")));
outerChunksToProcess.addAll(readChunksFromIntArray(tag.getIntArray("outerChunks")));
}
private Collection<Long> readChunksFromIntArray(int[] data) {
List<Long> coords = new ArrayList<>();
boolean firstPart = true;
int x = 0;
for (int coord : data) {
if (firstPart) x = coord;
else coords.add(ChunkCoordIntPair.chunkXZ2Int(x, coord));
firstPart = !firstPart;
}
return coords;
}
@Override
protected void writeEntityToNBT(NBTTagCompound p_70014_1_) {
p_70014_1_.setInteger("scale", getScale());
p_70014_1_.setInteger("revProgress", revProgress);
p_70014_1_.setInteger("radProgress", radProgress);
protected void writeEntityToNBT(NBTTagCompound tag) {
tag.setInteger("scale", getScale());
tag.setIntArray("chunks", writeChunksToIntArray(chunksToProcess));
tag.setIntArray("outerChunks", writeChunksToIntArray(outerChunksToProcess));
}
private int[] writeChunksToIntArray(List<Long> coords) {
int[] data = new int[coords.size() * 2];
for (int i = 0; i < coords.size(); i++) {
data[i * 2] = (int) (coords.get(i) & Integer.MAX_VALUE);
data[i * 2 + 1] = (int) (coords.get(i) >> 32 & Integer.MAX_VALUE);
}
return data;
}
public void setScale(int i) {
this.dataWatcher.updateObject(16, Integer.valueOf(i));
this.dataWatcher.updateObject(16, i);
}
public int getScale() {
int scale = this.dataWatcher.getWatchableObjectInt(16);
return scale == 0 ? 1 : scale;
}
}