feat(client): gun pipper with ground impact point and radar lead marker
Draws where the shells of the first light autocannon come down and, for the selected radar target, a lead pipper. Uses the same ballistics as Warium's LACFireScript (muzzle speed, barrels, drag 0.99, gravity 0.05). Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YVREx3uo7nz1FEhzveWTUh
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@@ -1,6 +1,7 @@
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package dev.lumareth.improvedAerodynamics;
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import com.mojang.logging.LogUtils;
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import dev.lumareth.improvedAerodynamics.client.pipper.PipperConfig;
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import dev.lumareth.improvedAerodynamics.flight.PhysicsBridge;
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import dev.lumareth.improvedAerodynamics.network.Network;
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import dev.lumareth.improvedAerodynamics.terrain.LookaheadLoader;
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@@ -21,6 +22,7 @@ public class ImprovedAerodynamics {
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MinecraftForge.EVENT_BUS.register(PhysicsBridge.class);
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MinecraftForge.EVENT_BUS.register(ConfigCommands.class);
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ModLoadingContext.get().registerConfig(ModConfig.Type.SERVER, Config.SPEC);
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ModLoadingContext.get().registerConfig(ModConfig.Type.CLIENT, PipperConfig.SPEC);
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Network.register();
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}
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}
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@@ -0,0 +1,147 @@
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package dev.lumareth.improvedAerodynamics.client.pipper;
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/**
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* Flight of a Warium shell, which is a vanilla arrow: every tick it moves by its velocity, the velocity is then scaled
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* by the drag and gravity is subtracted. That is linear in the launch velocity, so the position after n ticks is
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* <pre>M + D(n) * v0 - (0, G(n), 0)</pre>
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* with D(n) the sum of the drag factors and G(n) the drop gravity causes on its own. Both are tabulated once, which
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* makes both the impact point and the lead solution cheap enough to run every frame.
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* <p>
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* Plain doubles and no Minecraft classes, so it can be tested on its own. Units are blocks and ticks.
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*/
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public final class Ballistics {
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public static final int MAX_TICKS = 400;
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private final double[] d = new double[MAX_TICKS + 1];
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private final double[] g = new double[MAX_TICKS + 1];
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public Ballistics(double drag, double gravity) {
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double y = 0.0;
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double vy = 0.0;
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double sum = 0.0;
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double factor = 1.0;
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for (int n = 1; n <= MAX_TICKS; n++) {
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y += vy;
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vy = vy * drag - gravity;
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sum += factor;
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factor *= drag;
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d[n] = sum;
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g[n] = -y;
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}
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}
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/** Sum of the drag factors after n ticks, n may be fractional. */
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public double d(double n) {
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return interpolate(d, n);
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}
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/** Drop in blocks after n ticks, n may be fractional. */
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public double g(double n) {
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return interpolate(g, n);
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}
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private static double interpolate(double[] table, double n) {
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if (n <= 0.0) {
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return 0.0;
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}
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if (n >= MAX_TICKS) {
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return table[MAX_TICKS];
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}
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int i = (int) n;
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double f = n - i;
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return table[i] + (table[i + 1] - table[i]) * f;
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}
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/** Height of the terrain a shell would hit at a column. */
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public interface Ground {
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double heightAt(double x, double z);
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}
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/**
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* Where a shell fired from the muzzle with the given world velocity (blocks per tick, already including the
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* speed of the shooter if shells inherit it) comes down. Returns the impact point as {x, y, z} or null if it
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* stays in the air for the whole table.
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*/
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public double[] impact(double mx, double my, double mz, double vx, double vy, double vz, Ground ground) {
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double px = mx;
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double py = my;
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double pz = mz;
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for (int n = 1; n <= MAX_TICKS; n++) {
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double nx = mx + d[n] * vx;
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double ny = my + d[n] * vy - g[n];
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double nz = mz + d[n] * vz;
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double floor = ground.heightAt(nx, nz);
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if (ny <= floor) {
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// Linear crossing inside this step
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double before = py - ground.heightAt(px, pz);
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double after = ny - floor;
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double f = before - after > 1.0E-9 ? Math.min(1.0, Math.max(0.0, before / (before - after))) : 1.0;
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return new double[] {px + (nx - px) * f, py + (ny - py) * f, pz + (nz - pz) * f};
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}
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px = nx;
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py = ny;
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pz = nz;
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}
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return null;
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}
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/** Result of {@link #lead}: aim direction, time of flight in ticks and the range to the target's current position. */
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public record Lead(double dirX, double dirY, double dirZ, double ticks, double range) {
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}
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/**
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* Aim direction that makes a shell meet a moving target.
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*
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* @param speed muzzle speed in blocks per tick
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* @param t* target position now
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* @param tv* target velocity in blocks per tick
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* @param sv* velocity the shell inherits from the shooter in blocks per tick, zero if it does not
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* @return the solution or null if the shell cannot reach the target within the table
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*/
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public Lead lead(double mx, double my, double mz, double speed, double tx, double ty, double tz,
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double tvx, double tvy, double tvz, double svx, double svy, double svz) {
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double range = Math.sqrt(sq(tx - mx) + sq(ty - my) + sq(tz - mz));
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double previousN = 0.0;
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for (int n = 1; n <= MAX_TICKS; n++) {
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double f = miss(n, mx, my, mz, speed, tx, ty, tz, tvx, tvy, tvz, svx, svy, svz);
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if (f <= 0.0) {
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double lo = previousN;
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double hi = n;
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for (int i = 0; i < 30; i++) {
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double mid = 0.5 * (lo + hi);
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if (miss(mid, mx, my, mz, speed, tx, ty, tz, tvx, tvy, tvz, svx, svy, svz) > 0.0) {
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lo = mid;
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} else {
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hi = mid;
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}
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}
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double t = 0.5 * (lo + hi);
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double dn = d(t);
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double rx = tx + tvx * t - mx - dn * svx;
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double ry = ty + tvy * t - my - dn * svy + g(t);
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double rz = tz + tvz * t - mz - dn * svz;
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double length = Math.sqrt(rx * rx + ry * ry + rz * rz);
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if (length < 1.0E-6) {
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return null;
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}
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return new Lead(rx / length, ry / length, rz / length, t, range);
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}
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previousN = n;
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}
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return null;
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}
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/** Distance the shell can still cover short of where the target will be, positive means it has not got there yet. */
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private double miss(double n, double mx, double my, double mz, double speed, double tx, double ty, double tz,
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double tvx, double tvy, double tvz, double svx, double svy, double svz) {
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double dn = d(n);
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double rx = tx + tvx * n - mx - dn * svx;
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double ry = ty + tvy * n - my - dn * svy + g(n);
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double rz = tz + tvz * n - mz - dn * svz;
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return Math.sqrt(rx * rx + ry * ry + rz * rz) - speed * dn;
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}
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private static double sq(double v) {
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return v * v;
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}
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}
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@@ -0,0 +1,155 @@
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package dev.lumareth.improvedAerodynamics.client.pipper;
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import net.minecraft.client.multiplayer.ClientLevel;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.core.registries.Registries;
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import net.minecraft.resources.ResourceLocation;
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import net.minecraft.tags.TagKey;
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import net.minecraft.world.level.block.Block;
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import net.minecraft.world.level.block.entity.BlockEntity;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.block.state.properties.DirectionProperty;
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import net.minecraft.world.level.block.state.properties.Property;
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import net.minecraft.world.level.chunk.ChunkAccess;
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import net.minecraft.world.level.chunk.ChunkStatus;
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import net.minecraft.world.level.chunk.LevelChunkSection;
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import net.minecraftforge.fml.ModList;
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import net.minecraftforge.registries.ForgeRegistries;
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import org.joml.primitives.AABBic;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Finds the light autocannon of a ship and works out what it will shoot, the same way Warium's LACFireScript does:
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* barrel count, muzzle, aim direction and muzzle speed.
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*/
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final class GunFinder {
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private static final ResourceLocation LIGHT_AUTOCANNON = new ResourceLocation("crusty_chunks", "light_autocannon");
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private static final TagKey<Block> BARREL = TagKey.create(Registries.BLOCK, new ResourceLocation("crusty_chunks", "acbarrel"));
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private static final TagKey<Block> PASSTHROUGH = TagKey.create(Registries.BLOCK, new ResourceLocation("crusty_chunks", "barrelpassthrough"));
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private static final int RESCAN_TICKS = 100;
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private static final int MAX_GUNS = 16;
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/** Muzzle and direction in ship space and the speed of the shell in blocks per tick. */
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record Shot(double mx, double my, double mz, double dx, double dy, double dz, double speed) {
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}
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private long shipId = Long.MIN_VALUE;
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private long lastScan = Long.MIN_VALUE;
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private final List<BlockPos> guns = new ArrayList<>();
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/** The gun closest to the seat, or null if the ship has none loaded. */
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Shot find(ClientLevel level, long shipId, AABBic aabb, BlockPos seat) {
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if (shipId != this.shipId || level.getGameTime() - lastScan >= RESCAN_TICKS || level.getGameTime() < lastScan) {
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this.shipId = shipId;
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lastScan = level.getGameTime();
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scan(level, aabb);
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}
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BlockPos best = null;
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double bestDistance = Double.MAX_VALUE;
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for (BlockPos pos : guns) {
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double distance = pos.distSqr(seat);
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if (distance < bestDistance) {
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bestDistance = distance;
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best = pos;
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}
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}
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return best == null ? null : shotOf(level, best);
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}
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private void scan(ClientLevel level, AABBic aabb) {
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guns.clear();
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Block gun = ForgeRegistries.BLOCKS.getValue(LIGHT_AUTOCANNON);
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if (gun == null || aabb == null) {
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return;
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}
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BlockPos.MutableBlockPos pos = new BlockPos.MutableBlockPos();
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for (int cx = aabb.minX() >> 4; cx <= aabb.maxX() >> 4; cx++) {
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for (int cz = aabb.minZ() >> 4; cz <= aabb.maxZ() >> 4; cz++) {
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ChunkAccess chunk = level.getChunk(cx, cz, ChunkStatus.FULL, false);
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if (chunk == null) {
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continue;
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}
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LevelChunkSection[] sections = chunk.getSections();
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for (int i = 0; i < sections.length; i++) {
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LevelChunkSection section = sections[i];
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if (section.hasOnlyAir() || !section.maybeHas(state -> state.is(gun))) {
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continue;
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}
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int baseY = level.getSectionYFromSectionIndex(i) << 4;
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for (int x = 0; x < 16; x++) {
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for (int y = 0; y < 16; y++) {
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for (int z = 0; z < 16; z++) {
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if (section.getBlockState(x, y, z).is(gun) && guns.size() < MAX_GUNS) {
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guns.add(pos.set((cx << 4) + x, baseY + y, (cz << 4) + z).immutable());
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}
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}
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}
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}
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}
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}
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}
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}
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private static Shot shotOf(ClientLevel level, BlockPos gun) {
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BlockState state = level.getBlockState(gun);
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Property<?> property = state.getBlock().getStateDefinition().getProperty("facing");
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if (!(property instanceof DirectionProperty facingProperty)) {
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return null;
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}
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Direction facing = state.getValue(facingProperty);
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int fx = facing.getStepX();
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int fy = facing.getStepY();
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int fz = facing.getStepZ();
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// Barrels, counted like Warium does: up to five more behind the first one
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double barrels = 1.0;
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for (int i = 0; i < 5 && level.getBlockState(gun.offset(fx * (int) (1 + barrels), fy * (int) (1 + barrels), fz * (int) (1 + barrels))).is(BARREL); i++) {
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barrels++;
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}
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// Muzzle: past the barrels, skipping through blocks the shell passes
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double position = barrels;
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for (int i = 0; i < 10; i++) {
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BlockState at = level.getBlockState(gun.offset(fx * (int) (1 + position), fy * (int) (1 + position), fz * (int) (1 + position)));
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if ((!at.isAir() && !at.canOcclude()) || at.is(PASSTHROUGH)) {
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position++;
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} else {
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break;
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}
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}
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double mx = gun.getX() + fx * (1.5 + position) + 0.5;
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double my = gun.getY() + fy * (1.5 + position) + 0.5;
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double mz = gun.getZ() + fz * (1.5 + position) + 0.5;
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// Aim, from the tags of the gun itself
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double aimX = 0.0;
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double aimY = 0.0;
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double aimZ = 0.0;
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BlockEntity entity = level.getBlockEntity(gun);
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double gx = entity == null ? 0.0 : entity.getPersistentData().getDouble("X");
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double gz = entity == null ? 0.0 : entity.getPersistentData().getDouble("Z");
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double gpitch = entity == null ? 0.0 : entity.getPersistentData().getDouble("Pitch");
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if (1.0 > Math.abs(fx - gx) || 1.0 > Math.abs(fz - gz)) {
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aimY = gpitch;
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aimX = gx + fx;
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aimZ = gz + fz;
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}
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if (aimX * aimZ == 0.0) {
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aimX = fx;
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aimZ = fz;
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}
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double length = Math.sqrt(aimX * aimX + aimY * aimY + aimZ * aimZ);
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if (length < 1.0E-6) {
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return null;
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}
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double speed = PipperConfig.MUZZLE_SPEED_OVERRIDE.get();
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if (speed <= 0.0) {
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double multiplier = ModList.get().isLoaded("ritchiesprojectilelib") ? 2.0 : 1.0;
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speed = (5.0 + barrels / 1.5) * multiplier;
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}
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return new Shot(mx, my, mz, aimX / length, aimY / length, aimZ / length, speed);
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}
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}
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@@ -0,0 +1,237 @@
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package dev.lumareth.improvedAerodynamics.client.pipper;
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import com.mojang.blaze3d.systems.RenderSystem;
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import com.mojang.blaze3d.vertex.BufferBuilder;
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import com.mojang.blaze3d.vertex.BufferUploader;
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import com.mojang.blaze3d.vertex.DefaultVertexFormat;
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import com.mojang.blaze3d.vertex.Tesselator;
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import com.mojang.blaze3d.vertex.VertexFormat;
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import dev.lumareth.improvedAerodynamics.ImprovedAerodynamics;
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import net.minecraft.client.Camera;
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import net.minecraft.client.Minecraft;
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import net.minecraft.client.multiplayer.ClientLevel;
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import net.minecraft.client.renderer.GameRenderer;
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import net.minecraft.core.BlockPos;
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import net.minecraft.util.Mth;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.level.block.entity.BlockEntity;
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import net.minecraft.world.level.levelgen.Heightmap;
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import net.minecraft.world.phys.Vec3;
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import net.minecraftforge.api.distmarker.Dist;
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import net.minecraftforge.client.event.RenderLevelStageEvent;
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import net.minecraftforge.eventbus.api.SubscribeEvent;
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import net.minecraftforge.fml.ModList;
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import net.minecraftforge.fml.common.Mod;
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import org.joml.Matrix4f;
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import org.joml.Vector3d;
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import org.joml.Vector3f;
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import org.valkyrienskies.core.api.ships.ClientShip;
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import org.valkyrienskies.core.api.ships.Ship;
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import org.valkyrienskies.mod.common.VSGameUtilsKt;
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/**
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* Draws two markers for the first light autocannon of the aircraft you sit in:
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* an orange ring where its shells come down on the ground, and, for the radar target selected on the seat, a green
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* ring you put on the target to hit it (the lead pipper). Both come from the same ballistics Warium's shells follow.
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*/
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@Mod.EventBusSubscriber(modid = ImprovedAerodynamics.MOD_ID, value = Dist.CLIENT)
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public final class GunPipperRenderer {
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private static final int IMPACT_COLOR = 0xFFFF9020;
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private static final int LEAD_COLOR = 0xFF40FF60;
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private static final float DISTANCE = 2.0F;
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private static final GunFinder FINDER = new GunFinder();
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private static final TargetTracker TRACKER = new TargetTracker();
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private static Ballistics ballistics;
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private static double ballisticsDrag = Double.NaN;
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private static double ballisticsGravity = Double.NaN;
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private GunPipperRenderer() {
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}
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@SubscribeEvent
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public static void onRenderLevel(RenderLevelStageEvent event) {
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if (event.getStage() != RenderLevelStageEvent.Stage.AFTER_PARTICLES || !PipperConfig.SPEC.isLoaded()
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|| !PipperConfig.ENABLED.get() || !ModList.get().isLoaded("valkyrien_warium")) {
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return;
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}
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Minecraft minecraft = Minecraft.getInstance();
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ClientLevel level = minecraft.level;
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if (level == null || minecraft.player == null) {
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return;
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}
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Entity seat = WariumSeat.seatOf(minecraft.player);
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if (seat == null) {
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TRACKER.reset();
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return;
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}
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BlockPos seatPos = BlockPos.containing(seat.getX(), seat.getY(), seat.getZ());
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Ship ship = VSGameUtilsKt.getLoadedShipManagingPos(level, seatPos);
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if (ship == null) {
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return;
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}
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GunFinder.Shot shot = FINDER.find(level, ship.getId(), ship.getShipAABB(), seatPos);
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if (shot == null) {
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return;
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}
|
||||
org.joml.Matrix4dc shipToWorld = ship instanceof ClientShip clientShip
|
||||
? clientShip.getRenderTransform().getShipToWorld() : ship.getShipToWorld();
|
||||
Vector3d muzzle = shipToWorld.transformPosition(new Vector3d(shot.mx(), shot.my(), shot.mz()));
|
||||
Vector3d direction = shipToWorld.transformDirection(new Vector3d(shot.dx(), shot.dy(), shot.dz())).normalize();
|
||||
|
||||
double inherit = PipperConfig.INHERIT_SHIP_VELOCITY.get() ? 1.0 / 20.0 : 0.0;
|
||||
org.joml.Vector3dc velocity = ship.getVelocity();
|
||||
double svx = velocity.x() * inherit;
|
||||
double svy = velocity.y() * inherit;
|
||||
double svz = velocity.z() * inherit;
|
||||
|
||||
Ballistics table = table();
|
||||
Camera camera = event.getCamera();
|
||||
Matrix4f matrix = event.getPoseStack().last().pose();
|
||||
|
||||
BufferBuilder builder = Tesselator.getInstance().getBuilder();
|
||||
RenderSystem.disableDepthTest();
|
||||
RenderSystem.enableBlend();
|
||||
RenderSystem.defaultBlendFunc();
|
||||
RenderSystem.disableCull();
|
||||
RenderSystem.setShader(GameRenderer::getPositionColorShader);
|
||||
builder.begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION_COLOR);
|
||||
boolean drawn = false;
|
||||
|
||||
if (PipperConfig.SHOW_IMPACT.get()) {
|
||||
double[] impact = table.impact(muzzle.x, muzzle.y, muzzle.z,
|
||||
direction.x * shot.speed() + svx, direction.y * shot.speed() + svy, direction.z * shot.speed() + svz,
|
||||
(x, z) -> level.getHeight(Heightmap.Types.MOTION_BLOCKING, Mth.floor(x), Mth.floor(z)));
|
||||
if (impact != null) {
|
||||
drawn |= marker(builder, matrix, camera, impact[0], impact[1], impact[2], IMPACT_COLOR, false);
|
||||
}
|
||||
}
|
||||
|
||||
if (PipperConfig.SHOW_LEAD.get()) {
|
||||
drawn |= lead(builder, matrix, camera, level, seat, seatPos, table, muzzle, shot.speed(), svx, svy, svz);
|
||||
} else {
|
||||
TRACKER.reset();
|
||||
}
|
||||
|
||||
if (drawn) {
|
||||
BufferUploader.drawWithShader(builder.end());
|
||||
} else {
|
||||
builder.end().release();
|
||||
}
|
||||
RenderSystem.enableCull();
|
||||
RenderSystem.enableDepthTest();
|
||||
RenderSystem.disableBlend();
|
||||
}
|
||||
|
||||
private static boolean lead(BufferBuilder builder, Matrix4f matrix, Camera camera, ClientLevel level, Entity seat, BlockPos seatPos,
|
||||
Ballistics table, Vector3d muzzle, double speed, double svx, double svy, double svz) {
|
||||
int selected = WariumSeat.selectedTarget(seat);
|
||||
if (selected <= 0) {
|
||||
TRACKER.reset();
|
||||
return false;
|
||||
}
|
||||
BlockEntity seatEntity = level.getBlockEntity(seatPos);
|
||||
if (seatEntity == null) {
|
||||
return false;
|
||||
}
|
||||
var seatData = seatEntity.getPersistentData();
|
||||
BlockEntity node = level.getBlockEntity(BlockPos.containing(seatData.getDouble("ControlX"), seatData.getDouble("ControlY"), seatData.getDouble("ControlZ")));
|
||||
if (node == null) {
|
||||
return false;
|
||||
}
|
||||
var data = node.getPersistentData();
|
||||
// Warium builds these keys from a double, so they read TargetX1.0, TargetY1.0 and so on
|
||||
double tx = data.getDouble("TargetX" + (double) selected);
|
||||
double ty = data.getDouble("TargetY" + (double) selected);
|
||||
double tz = data.getDouble("TargetZ" + (double) selected);
|
||||
if (tx == 0.0 && ty == 0.0 && tz == 0.0) {
|
||||
return false;
|
||||
}
|
||||
TRACKER.update(selected, tx, ty, tz, level.getGameTime());
|
||||
Ballistics.Lead lead = table.lead(muzzle.x, muzzle.y, muzzle.z, speed, tx, ty, tz,
|
||||
TRACKER.vx(), TRACKER.vy(), TRACKER.vz(), svx, svy, svz);
|
||||
if (lead == null) {
|
||||
return false;
|
||||
}
|
||||
return marker(builder, matrix, camera,
|
||||
muzzle.x + lead.dirX() * lead.range(), muzzle.y + lead.dirY() * lead.range(), muzzle.z + lead.dirZ() * lead.range(),
|
||||
LEAD_COLOR, true);
|
||||
}
|
||||
|
||||
private static Ballistics table() {
|
||||
double drag = PipperConfig.DRAG.get();
|
||||
double gravity = PipperConfig.GRAVITY.get();
|
||||
if (ballistics == null || drag != ballisticsDrag || gravity != ballisticsGravity) {
|
||||
ballistics = new Ballistics(drag, gravity);
|
||||
ballisticsDrag = drag;
|
||||
ballisticsGravity = gravity;
|
||||
}
|
||||
return ballistics;
|
||||
}
|
||||
|
||||
/** A ring on the screen in the direction of a world point, with ticks on it for the lead pipper. */
|
||||
private static boolean marker(BufferBuilder builder, Matrix4f matrix, Camera camera, double x, double y, double z, int color, boolean ticks) {
|
||||
Vec3 cameraPosition = camera.getPosition();
|
||||
Vector3f toPoint = new Vector3f((float) (x - cameraPosition.x), (float) (y - cameraPosition.y), (float) (z - cameraPosition.z));
|
||||
if (toPoint.lengthSquared() < 1.0E-6F) {
|
||||
return false;
|
||||
}
|
||||
toPoint.normalize();
|
||||
if (toPoint.dot(camera.getLookVector()) <= 0.05F) {
|
||||
return false;
|
||||
}
|
||||
Vector3f center = new Vector3f(toPoint).mul(DISTANCE);
|
||||
Vector3f left = new Vector3f(camera.getLeftVector());
|
||||
Vector3f up = new Vector3f(camera.getUpVector());
|
||||
float radius = (float) (PipperConfig.MARKER_SIZE.get() * DISTANCE);
|
||||
float thickness = radius * 0.12F;
|
||||
|
||||
ring(builder, matrix, center, left, up, radius, thickness, color);
|
||||
quad(builder, matrix, center, left, up, thickness * 1.6F, thickness * 1.6F, color);
|
||||
if (ticks) {
|
||||
for (int i = 0; i < 4; i++) {
|
||||
double angle = i * Math.PI / 2.0;
|
||||
float cx = (float) Math.cos(angle);
|
||||
float cy = (float) Math.sin(angle);
|
||||
Vector3f tickCenter = new Vector3f(center)
|
||||
.fma(cx * radius * 1.45F, left).fma(cy * radius * 1.45F, up);
|
||||
float halfX = Math.abs(cx) > 0.5F ? radius * 0.35F : thickness;
|
||||
float halfY = Math.abs(cy) > 0.5F ? radius * 0.35F : thickness;
|
||||
quad(builder, matrix, tickCenter, left, up, halfX, halfY, color);
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
private static void ring(BufferBuilder builder, Matrix4f matrix, Vector3f center, Vector3f left, Vector3f up, float radius, float thickness, int color) {
|
||||
final int segments = 32;
|
||||
float inner = radius - thickness;
|
||||
float outer = radius + thickness;
|
||||
for (int i = 0; i < segments; i++) {
|
||||
double a0 = i * 2.0 * Math.PI / segments;
|
||||
double a1 = (i + 1) * 2.0 * Math.PI / segments;
|
||||
vertex(builder, matrix, center, left, up, (float) Math.cos(a0) * inner, (float) Math.sin(a0) * inner, color);
|
||||
vertex(builder, matrix, center, left, up, (float) Math.cos(a0) * outer, (float) Math.sin(a0) * outer, color);
|
||||
vertex(builder, matrix, center, left, up, (float) Math.cos(a1) * outer, (float) Math.sin(a1) * outer, color);
|
||||
vertex(builder, matrix, center, left, up, (float) Math.cos(a1) * inner, (float) Math.sin(a1) * inner, color);
|
||||
}
|
||||
}
|
||||
|
||||
private static void quad(BufferBuilder builder, Matrix4f matrix, Vector3f center, Vector3f left, Vector3f up, float halfX, float halfY, int color) {
|
||||
vertex(builder, matrix, center, left, up, -halfX, -halfY, color);
|
||||
vertex(builder, matrix, center, left, up, halfX, -halfY, color);
|
||||
vertex(builder, matrix, center, left, up, halfX, halfY, color);
|
||||
vertex(builder, matrix, center, left, up, -halfX, halfY, color);
|
||||
}
|
||||
|
||||
private static void vertex(BufferBuilder builder, Matrix4f matrix, Vector3f center, Vector3f left, Vector3f up, float a, float b, int color) {
|
||||
// The left vector points to the left of the screen, so a positive offset along it is drawn to the left
|
||||
float vx = center.x - left.x * a + up.x * b;
|
||||
float vy = center.y - left.y * a + up.y * b;
|
||||
float vz = center.z - left.z * a + up.z * b;
|
||||
builder.vertex(matrix, vx, vy, vz)
|
||||
.color(color >> 16 & 255, color >> 8 & 255, color & 255, color >>> 24)
|
||||
.endVertex();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,44 @@
|
||||
package dev.lumareth.improvedAerodynamics.client.pipper;
|
||||
|
||||
import net.minecraftforge.common.ForgeConfigSpec;
|
||||
|
||||
/** Client side settings of the gun pipper. Lives in improved_aerodynamics-client.toml. */
|
||||
public final class PipperConfig {
|
||||
public static final ForgeConfigSpec SPEC;
|
||||
|
||||
public static final ForgeConfigSpec.BooleanValue ENABLED;
|
||||
public static final ForgeConfigSpec.BooleanValue SHOW_IMPACT;
|
||||
public static final ForgeConfigSpec.BooleanValue SHOW_LEAD;
|
||||
public static final ForgeConfigSpec.BooleanValue INHERIT_SHIP_VELOCITY;
|
||||
public static final ForgeConfigSpec.DoubleValue MUZZLE_SPEED_OVERRIDE;
|
||||
public static final ForgeConfigSpec.DoubleValue GRAVITY;
|
||||
public static final ForgeConfigSpec.DoubleValue DRAG;
|
||||
public static final ForgeConfigSpec.DoubleValue MARKER_SIZE;
|
||||
|
||||
static {
|
||||
ForgeConfigSpec.Builder builder = new ForgeConfigSpec.Builder();
|
||||
builder.comment("Gun pipper for Warium light autocannons, drawn while seated in a Warium seat").push("pipper");
|
||||
ENABLED = builder.comment("Master switch")
|
||||
.define("enabled", true);
|
||||
SHOW_IMPACT = builder.comment("Show where the shells of the gun come down on the ground (orange ring)")
|
||||
.define("showImpact", true);
|
||||
SHOW_LEAD = builder.comment("Show the lead pipper for the radar target you selected (green ring)")
|
||||
.define("showLead", true);
|
||||
INHERIT_SHIP_VELOCITY = builder.comment("Add the speed of your aircraft to the shells. Warium does not do this itself, only turn it",
|
||||
"on if a test shows your shells keep the speed of the jet (fire level at full speed, then hovering)")
|
||||
.define("inheritShipVelocity", false);
|
||||
MUZZLE_SPEED_OVERRIDE = builder.comment("Muzzle speed in blocks per tick, 0 works it out from the barrel length like Warium does")
|
||||
.defineInRange("muzzleSpeedOverride", 0.0, 0.0, 100.0);
|
||||
GRAVITY = builder.comment("Gravity of the shells in blocks per tick squared")
|
||||
.defineInRange("gravity", 0.05, 0.0, 1.0);
|
||||
DRAG = builder.comment("Speed the shells keep each tick, 0.99 is a vanilla arrow")
|
||||
.defineInRange("drag", 0.99, 0.5, 1.0);
|
||||
MARKER_SIZE = builder.comment("Radius of the markers on screen")
|
||||
.defineInRange("markerSize", 0.03, 0.005, 0.2);
|
||||
builder.pop();
|
||||
SPEC = builder.build();
|
||||
}
|
||||
|
||||
private PipperConfig() {
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,87 @@
|
||||
package dev.lumareth.improvedAerodynamics.client.pipper;
|
||||
|
||||
/**
|
||||
* Target velocity from the radar. The node only stores positions, and they change when the radar updates, which is
|
||||
* not every tick. So the velocity is the change between two distinct positions divided by the ticks between them,
|
||||
* smoothed, and it is dropped once the position has not changed for a while.
|
||||
*/
|
||||
final class TargetTracker {
|
||||
private static final long STALE_TICKS = 60;
|
||||
private static final double SMOOTHING = 0.5;
|
||||
private static final double JUMP_BLOCKS_PER_TICK = 15.0;
|
||||
|
||||
private int index = -1;
|
||||
private double px;
|
||||
private double py;
|
||||
private double pz;
|
||||
private long sampleTick;
|
||||
private double vx;
|
||||
private double vy;
|
||||
private double vz;
|
||||
private boolean hasVelocity;
|
||||
|
||||
void update(int selected, double x, double y, double z, long tick) {
|
||||
if (selected != index || tick < sampleTick) {
|
||||
index = selected;
|
||||
px = x;
|
||||
py = y;
|
||||
pz = z;
|
||||
sampleTick = tick;
|
||||
hasVelocity = false;
|
||||
vx = 0.0;
|
||||
vy = 0.0;
|
||||
vz = 0.0;
|
||||
return;
|
||||
}
|
||||
if (x != px || y != py || z != pz) {
|
||||
long dt = Math.max(1L, tick - sampleTick);
|
||||
double nx = (x - px) / dt;
|
||||
double ny = (y - py) / dt;
|
||||
double nz = (z - pz) / dt;
|
||||
if (Math.sqrt(nx * nx + ny * ny + nz * nz) > JUMP_BLOCKS_PER_TICK) {
|
||||
// Teleport or a different contact reusing the slot
|
||||
hasVelocity = false;
|
||||
} else if (hasVelocity) {
|
||||
vx += (nx - vx) * SMOOTHING;
|
||||
vy += (ny - vy) * SMOOTHING;
|
||||
vz += (nz - vz) * SMOOTHING;
|
||||
} else {
|
||||
vx = nx;
|
||||
vy = ny;
|
||||
vz = nz;
|
||||
hasVelocity = true;
|
||||
}
|
||||
px = x;
|
||||
py = y;
|
||||
pz = z;
|
||||
sampleTick = tick;
|
||||
} else if (tick - sampleTick > STALE_TICKS) {
|
||||
hasVelocity = false;
|
||||
vx = 0.0;
|
||||
vy = 0.0;
|
||||
vz = 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
void reset() {
|
||||
index = -1;
|
||||
hasVelocity = false;
|
||||
}
|
||||
|
||||
/** Velocity in blocks per tick, zero when unknown. */
|
||||
double vx() {
|
||||
return vx;
|
||||
}
|
||||
|
||||
double vy() {
|
||||
return vy;
|
||||
}
|
||||
|
||||
double vz() {
|
||||
return vz;
|
||||
}
|
||||
|
||||
boolean hasVelocity() {
|
||||
return hasVelocity;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,20 @@
|
||||
package dev.lumareth.improvedAerodynamics.client.pipper;
|
||||
|
||||
import net.mcreator.valkyrienwarium.entity.SeatEntityEntity;
|
||||
import net.minecraft.world.entity.Entity;
|
||||
|
||||
/** Everything that touches Warium VS classes, so nothing else loads them when Warium is missing. */
|
||||
final class WariumSeat {
|
||||
private WariumSeat() {
|
||||
}
|
||||
|
||||
static Entity seatOf(Entity rider) {
|
||||
Entity root = rider.getRootVehicle();
|
||||
return root instanceof SeatEntityEntity ? root : null;
|
||||
}
|
||||
|
||||
/** Index of the radar target selected on the seat, 1 based, 0 for none. */
|
||||
static int selectedTarget(Entity seat) {
|
||||
return seat.getEntityData().get(SeatEntityEntity.DATA_SelectedTarget);
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user