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Merged
Wide-Cat merged 6 commits into from
Dec 28, 2025
+596 −360
Merged

Significant Projectile Simulator/Trajectories improvements #5999

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8621042
significant projectile simulator improvements
Wide-Cat Dec 22, 2025
e5eab9c
fix issues and further improve the simulation accuracy
Wide-Cat Dec 23, 2025
26f4034
assorted
Wide-Cat Dec 24, 2025
516c2ab
further increase simulation accuracy, fix bugs, simulate projectiles …
Wide-Cat Dec 28, 2025
67425fc
make the ignore first ticks setting work only on yourself
Wide-Cat Dec 28, 2025
991b719
h
Wide-Cat Dec 28, 2025
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12 changes: 9 additions & 3 deletions src/main/java/meteordevelopment/meteorclient/mixin/Vec3dMixin.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,20 +19,26 @@ public abstract class Vec3dMixin implements IVec3d {
@Shadow @Final @Mutable public double z;

@Override
public void meteor$set(double x, double y, double z) {
public Vec3d meteor$set(double x, double y, double z) {
this.x = x;
this.y = y;
this.z = z;

return (Vec3d) (Object) this;
}

@Override
public void meteor$setXZ(double x, double z) {
public Vec3d meteor$setXZ(double x, double z) {
this.x = x;
this.z = z;

return (Vec3d) (Object) this;
}

@Override
public void meteor$setY(double y) {
public Vec3d meteor$setY(double y) {
this.y = y;

return (Vec3d) (Object) this;
}
}
20 changes: 13 additions & 7 deletions src/main/java/meteordevelopment/meteorclient/mixininterface/IVec3d.java
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Original file line number Diff line number Diff line change
Expand Up @@ -5,21 +5,27 @@

package meteordevelopment.meteorclient.mixininterface;

import net.minecraft.util.math.Vec3d;
import net.minecraft.util.math.Vec3i;
import org.joml.Vector3d;

@SuppressWarnings("UnusedReturnValue")
public interface IVec3d {
void meteor$set(double x, double y, double z);
Vec3d meteor$set(double x, double y, double z);

default void meteor$set(Vec3i vec) {
meteor$set(vec.getX(), vec.getY(), vec.getZ());
default Vec3d meteor$set(Vec3i vec) {
return meteor$set(vec.getX(), vec.getY(), vec.getZ());
}

default void meteor$set(Vector3d vec) {
meteor$set(vec.x, vec.y, vec.z);
default Vec3d meteor$set(Vector3d vec) {
return meteor$set(vec.x, vec.y, vec.z);
}

void meteor$setXZ(double x, double z);
default Vec3d meteor$set(Vec3d pos) {
return meteor$set(pos.x, pos.y, pos.z);
}

Vec3d meteor$setXZ(double x, double z);

void meteor$setY(double y);
Vec3d meteor$setY(double y);
}
18 changes: 6 additions & 12 deletions src/main/java/meteordevelopment/meteorclient/systems/modules/combat/ArrowDodge.java
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Original file line number Diff line number Diff line change
Expand Up @@ -9,12 +9,13 @@
import meteordevelopment.meteorclient.settings.*;
import meteordevelopment.meteorclient.systems.modules.Categories;
import meteordevelopment.meteorclient.systems.modules.Module;
import meteordevelopment.meteorclient.utils.entity.ProjectileEntitySimulator;
import meteordevelopment.meteorclient.utils.entity.simulator.ProjectileEntitySimulator;
import meteordevelopment.meteorclient.utils.misc.Pool;
import meteordevelopment.orbit.EventHandler;
import net.minecraft.entity.Entity;
import net.minecraft.entity.projectile.ArrowEntity;
import net.minecraft.entity.projectile.ProjectileEntity;
import net.minecraft.entity.projectile.SpectralArrowEntity;
import net.minecraft.network.packet.c2s.play.PlayerMoveC2SPacket;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Vec3d;
Expand Down Expand Up @@ -54,13 +55,6 @@ public class ArrowDodge extends Module {
.build()
);

private final Setting<Boolean> accurate = sgGeneral.add(new BoolSetting.Builder()
.name("accurate")
.description("Whether or not to calculate more accurate.")
.defaultValue(false)
.build()
);

private final Setting<Boolean> groundCheck = sgGeneral.add(new BoolSetting.Builder()
.name("ground-check")
.description("Tries to prevent you from falling to your death.")
Expand All @@ -78,7 +72,7 @@ public class ArrowDodge extends Module {
private final Setting<Boolean> ignoreOwn = sgGeneral.add(new BoolSetting.Builder()
.name("ignore-own")
.description("Ignore your own projectiles.")
.defaultValue(false)
.defaultValue(true)
.build()
);

Expand Down Expand Up @@ -116,16 +110,16 @@ private void onTick(TickEvent.Pre event) {

for (Entity e : mc.world.getEntities()) {
if (!(e instanceof ProjectileEntity projectile)) continue;
if (!allProjectiles.get() && !(projectile instanceof ArrowEntity)) continue;
if (!allProjectiles.get() && !(projectile instanceof ArrowEntity || projectile instanceof SpectralArrowEntity)) continue;
if (ignoreOwn.get()) {
Entity owner = projectile.getOwner();
if (owner != null && owner.getUuid().equals(mc.player.getUuid())) continue;
}

if (!simulator.set(projectile, accurate.get())) continue;
if (!simulator.set(projectile)) continue;
for (int i = 0; i < (simulationSteps.get() > 0 ? simulationSteps.get() : Integer.MAX_VALUE); i++) {
points.add(vec3s.get().set(simulator.pos));
if (simulator.tick() != null) break;
if (simulator.tick().shouldStop) break;
}
}

Expand Down
147 changes: 91 additions & 56 deletions src/main/java/meteordevelopment/meteorclient/systems/modules/render/Trajectories.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,14 +11,16 @@
import meteordevelopment.meteorclient.systems.modules.Categories;
import meteordevelopment.meteorclient.systems.modules.Module;
import meteordevelopment.meteorclient.utils.Utils;
import meteordevelopment.meteorclient.utils.entity.ProjectileEntitySimulator;
import meteordevelopment.meteorclient.utils.entity.simulator.ProjectileEntitySimulator;
import meteordevelopment.meteorclient.utils.entity.simulator.SimulationStep;
import meteordevelopment.meteorclient.utils.misc.Pool;
import meteordevelopment.meteorclient.utils.render.color.SettingColor;
import meteordevelopment.orbit.EventHandler;
import net.minecraft.enchantment.Enchantments;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.entity.projectile.ProjectileEntity;
import net.minecraft.entity.projectile.TridentEntity;
import net.minecraft.entity.projectile.WitherSkullEntity;
import net.minecraft.item.*;
import net.minecraft.registry.Registries;
Expand Down Expand Up @@ -86,6 +88,14 @@ public class Trajectories extends Module {

// Render

private final Setting<Integer> ignoreFirstTicks = sgRender.add(new IntSetting.Builder()
.name("ignore-rendering-first-ticks")
.description("Ignores rendering the first given ticks, to make the rest of the path more visible.")
.defaultValue(3)
.min(0)
.build()
);

private final Setting<ShapeMode> shapeMode = sgRender.add(new EnumSetting.Builder<ShapeMode>()
.name("shape-mode")
.description("How the shapes are rendered.")
Expand Down Expand Up @@ -189,22 +199,25 @@ private void calculatePath(PlayerEntity player, float tickDelta) {

// Calculate paths
if (!simulator.set(player, itemStack, 0, accurate.get(), tickDelta)) return;
getEmptyPath().calculate();
Path p = getEmptyPath().calculate();
if (player == mc.player) p.ignoreFirstTicks();

if (itemStack.getItem() instanceof CrossbowItem && Utils.hasEnchantment(itemStack, Enchantments.MULTISHOT)) {
if (!simulator.set(player, itemStack, MULTISHOT_OFFSET, accurate.get(), tickDelta)) return; // left multishot arrow
getEmptyPath().calculate();
p = getEmptyPath().calculate();
if (player == mc.player) p.ignoreFirstTicks();

if (!simulator.set(player, itemStack, -MULTISHOT_OFFSET, accurate.get(), tickDelta)) return; // right multishot arrow
getEmptyPath().calculate();
p = getEmptyPath().calculate();
if (player == mc.player) p.ignoreFirstTicks();
}
}

private void calculateFiredPath(Entity entity, double tickDelta) {
for (Path path : paths) path.clear();

// Calculate paths
if (!simulator.set(entity, accurate.get())) return;
if (!simulator.set(entity)) return;
getEmptyPath().setStart(entity, tickDelta).calculate();
}

Expand All @@ -221,7 +234,10 @@ private void onRender(Render3DEvent event) {

if (firedProjectiles.get()) {
for (Entity entity : mc.world.getEntities()) {
if (entity instanceof ProjectileEntity && (!ignoreWitherSkulls.get() || !(entity instanceof WitherSkullEntity))) {
if (entity instanceof ProjectileEntity) {
if (ignoreWitherSkulls.get() && entity instanceof WitherSkullEntity) continue;
if (entity instanceof TridentEntity trident && trident.noClip) continue; // when it's returning via loyalty

calculateFiredPath(entity, tickDelta);
for (Path path : paths) path.render(event);
}
Expand All @@ -235,31 +251,33 @@ private class Path {
private boolean hitQuad, hitQuadHorizontal;
private double hitQuadX1, hitQuadY1, hitQuadZ1, hitQuadX2, hitQuadY2, hitQuadZ2;

private Entity collidingEntity;
private final List<Entity> collidingEntities = new ArrayList<>();
public Vector3d lastPoint;
private int start;

public void clear() {
vec3s.freeAll(points);
points.clear();

hitQuad = false;
collidingEntity = null;
collidingEntities.clear();
lastPoint = null;
start = 0;
}

public void calculate() {
public Path calculate() {
addPoint();

for (int i = 0; i < (simulationSteps.get() > 0 ? simulationSteps.get() : Integer.MAX_VALUE); i++) {
HitResult result = simulator.tick();
SimulationStep result = simulator.tick();

if (result != null) {
processHitResult(result);
break;
}
processHitResults(result);
if (result.shouldStop) break;

addPoint();
}

return this;
}

public Path setStart(Entity entity, double tickDelta) {
Expand All @@ -276,58 +294,75 @@ private void addPoint() {
points.add(vec3s.get().set(simulator.pos));
}

private void processHitResult(HitResult result) {
if (result.getType() == HitResult.Type.BLOCK) {
BlockHitResult r = (BlockHitResult) result;

hitQuad = true;
hitQuadX1 = r.getPos().x;
hitQuadY1 = r.getPos().y;
hitQuadZ1 = r.getPos().z;
hitQuadX2 = r.getPos().x;
hitQuadY2 = r.getPos().y;
hitQuadZ2 = r.getPos().z;

if (r.getSide() == Direction.UP || r.getSide() == Direction.DOWN) {
hitQuadHorizontal = true;
hitQuadX1 -= 0.25;
hitQuadZ1 -= 0.25;
hitQuadX2 += 0.25;
hitQuadZ2 += 0.25;
}
else if (r.getSide() == Direction.NORTH || r.getSide() == Direction.SOUTH) {
hitQuadHorizontal = false;
hitQuadX1 -= 0.25;
hitQuadY1 -= 0.25;
hitQuadX2 += 0.25;
hitQuadY2 += 0.25;
}
else {
hitQuadHorizontal = false;
hitQuadZ1 -= 0.25;
hitQuadY1 -= 0.25;
hitQuadZ2 += 0.25;
hitQuadY2 += 0.25;
private void processHitResults(SimulationStep step) {
for (int i = 0; i < step.hitResults.length; i++) {
HitResult result = step.hitResults[i];
if (result.getType() == HitResult.Type.BLOCK) {
BlockHitResult r = (BlockHitResult) result;

hitQuad = true;
hitQuadX1 = r.getPos().x;
hitQuadY1 = r.getPos().y;
hitQuadZ1 = r.getPos().z;
hitQuadX2 = r.getPos().x;
hitQuadY2 = r.getPos().y;
hitQuadZ2 = r.getPos().z;

if (r.getSide() == Direction.UP || r.getSide() == Direction.DOWN) {
hitQuadHorizontal = true;
hitQuadX1 -= 0.25;
hitQuadZ1 -= 0.25;
hitQuadX2 += 0.25;
hitQuadZ2 += 0.25;
}
else if (r.getSide() == Direction.NORTH || r.getSide() == Direction.SOUTH) {
hitQuadHorizontal = false;
hitQuadX1 -= 0.25;
hitQuadY1 -= 0.25;
hitQuadX2 += 0.25;
hitQuadY2 += 0.25;
}
else {
hitQuadHorizontal = false;
hitQuadZ1 -= 0.25;
hitQuadY1 -= 0.25;
hitQuadZ2 += 0.25;
hitQuadY2 += 0.25;
}

points.add(Utils.set(vec3s.get(), result.getPos()));
}
else if (result.getType() == HitResult.Type.ENTITY) {
Entity entity = ((EntityHitResult) result).getEntity();
collidingEntities.add(entity);

points.add(Utils.set(vec3s.get(), result.getPos()));
if (step.shouldStop && i == step.hitResults.length - 1) {
points.add(Utils.set(vec3s.get(), result.getPos()));
}
}
}
else if (result.getType() == HitResult.Type.ENTITY) {
collidingEntity = ((EntityHitResult) result).getEntity();
}

points.add(Utils.set(vec3s.get(), result.getPos()).add(0, collidingEntity.getHeight() / 2, 0));
}
public void ignoreFirstTicks() {
start = points.size() <= ignoreFirstTicks.get() ? 0 : ignoreFirstTicks.get();
}

public void render(Render3DEvent event) {
// Render path
for (Vector3d point : points) {
for (int i = start; i < points.size(); i++) {
Vector3d point = points.get(i);

if (lastPoint != null) {
event.renderer.line(lastPoint.x, lastPoint.y, lastPoint.z, point.x, point.y, point.z, lineColor.get());
if (renderPositionBox.get())
event.renderer.box(point.x - positionBoxSize.get(), point.y - positionBoxSize.get(), point.z - positionBoxSize.get(),
point.x + positionBoxSize.get(), point.y + positionBoxSize.get(), point.z + positionBoxSize.get(), positionSideColor.get(), positionLineColor.get(), shapeMode.get(), 0);
if (renderPositionBox.get()) {
event.renderer.box(
point.x - positionBoxSize.get(), point.y - positionBoxSize.get(), point.z - positionBoxSize.get(),
point.x + positionBoxSize.get(), point.y + positionBoxSize.get(), point.z + positionBoxSize.get(),
positionSideColor.get(), positionLineColor.get(), shapeMode.get(), 0
);
}
}

lastPoint = point;
}

Expand All @@ -338,7 +373,7 @@ public void render(Render3DEvent event) {
}

// Render entity
if (collidingEntity != null) {
for (Entity collidingEntity : collidingEntities) {
double x = (collidingEntity.getX() - collidingEntity.lastX) * event.tickDelta;
double y = (collidingEntity.getY() - collidingEntity.lastY) * event.tickDelta;
double z = (collidingEntity.getZ() - collidingEntity.lastZ) * event.tickDelta;
Expand Down
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