373 lines
17 KiB
Java
373 lines
17 KiB
Java
package com.replaymod.simplepathing.preview;
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import com.replaymod.core.ReplayMod;
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import com.replaymod.pathing.properties.CameraProperties;
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import com.replaymod.pathing.properties.SpectatorProperty;
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import com.replaymod.pathing.properties.TimestampProperty;
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import com.replaymod.replay.ReplayHandler;
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import com.replaymod.replaystudio.pathing.interpolation.Interpolator;
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import com.replaymod.replaystudio.pathing.path.Keyframe;
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import com.replaymod.replaystudio.pathing.path.Path;
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import com.replaymod.replaystudio.pathing.path.PathSegment;
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import com.replaymod.replaystudio.util.EntityPositionTracker;
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import com.replaymod.replaystudio.util.Location;
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import com.replaymod.simplepathing.ReplayModSimplePathing;
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import com.replaymod.simplepathing.SPTimeline;
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import com.replaymod.simplepathing.gui.GuiPathing;
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import net.minecraft.client.Minecraft;
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import net.minecraft.client.renderer.BufferBuilder;
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import net.minecraft.client.renderer.GlStateManager;
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import net.minecraft.client.renderer.Tessellator;
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import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
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import net.minecraft.entity.Entity;
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import net.minecraft.util.ResourceLocation;
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import net.minecraftforge.client.event.RenderWorldLastEvent;
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import net.minecraftforge.common.MinecraftForge;
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import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
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import org.apache.commons.lang3.tuple.Pair;
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import org.apache.commons.lang3.tuple.Triple;
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import org.lwjgl.opengl.GL11;
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import java.util.Comparator;
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import java.util.Optional;
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import static com.replaymod.core.ReplayMod.TEXTURE;
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public class PathPreviewRenderer {
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private static final ResourceLocation CAMERA_HEAD = new ResourceLocation("replaymod", "camera_head.png");
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private static final Minecraft mc = Minecraft.getMinecraft();
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private static final int SLOW_PATH_COLOR = 0xffcccc;
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private static final int FAST_PATH_COLOR = 0x660000;
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private static final double FASTEST_PATH_SPEED = 0.01;
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private final ReplayModSimplePathing mod;
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private final ReplayHandler replayHandler;
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public PathPreviewRenderer(ReplayModSimplePathing mod, ReplayHandler replayHandler) {
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this.mod = mod;
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this.replayHandler = replayHandler;
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}
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public void register() {
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MinecraftForge.EVENT_BUS.register(this);
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}
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public void unregister() {
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MinecraftForge.EVENT_BUS.unregister(this);
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}
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@SubscribeEvent
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public void renderCameraPath(RenderWorldLastEvent event) {
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if (!replayHandler.getReplaySender().isAsyncMode() || mc.gameSettings.hideGUI) return;
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Entity view = mc.getRenderViewEntity();
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if (view == null) return;
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GuiPathing guiPathing = mod.getGuiPathing();
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if (guiPathing == null) return;
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EntityPositionTracker entityTracker = guiPathing.getEntityTracker();
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SPTimeline timeline = mod.getCurrentTimeline();
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if (timeline == null) return;
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Path path = timeline.getPositionPath();
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if (path.getKeyframes().isEmpty()) return;
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Path timePath = timeline.getTimePath();
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path.update();
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int renderDistance = mc.gameSettings.renderDistanceChunks * 16;
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int renderDistanceSquared = renderDistance * renderDistance;
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// Eye height is subtracted to make path appear higher (at eye height) than it actually is (at foot height)
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Triple<Double, Double, Double> viewPos = Triple.of(view.posX, view.posY - view.getEyeHeight(), view.posZ);
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GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
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try {
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GL11.glDisable(GL11.GL_LIGHTING);
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GL11.glDisable(GL11.GL_TEXTURE_2D);
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for (PathSegment segment : path.getSegments()) {
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Interpolator interpolator = segment.getInterpolator();
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Keyframe start = segment.getStartKeyframe();
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Keyframe end = segment.getEndKeyframe();
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long diff = (int) (end.getTime() - start.getTime());
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boolean spectator = interpolator.getKeyframeProperties().contains(SpectatorProperty.PROPERTY);
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if (spectator && entityTracker == null) {
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continue; // Cannot render spectator positions when entity tracker is not yet loaded
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}
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// Spectator segments have 20 lines per second (at least 10) whereas normal segments have a fixed 100
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long steps = spectator ? Math.max(diff / 50, 10) : 100;
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Triple<Double, Double, Double> prevPos = null;
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for (int i = 0; i <= steps; i++) {
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long time = start.getTime() + diff * i / steps;
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if (spectator) {
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Optional<Integer> entityId = path.getValue(SpectatorProperty.PROPERTY, time);
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Optional<Integer> replayTime = timePath.getValue(TimestampProperty.PROPERTY, time);
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if (entityId.isPresent() && replayTime.isPresent()) {
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Location loc = entityTracker.getEntityPositionAtTimestamp(entityId.get(), replayTime.get());
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if (loc != null) {
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Triple<Double, Double, Double> pos = Triple.of(loc.getX(), loc.getY(), loc.getZ());
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if (prevPos != null) {
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drawConnection(viewPos, prevPos, pos, 0x0000ff, renderDistanceSquared);
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}
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prevPos = pos;
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continue;
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}
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}
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} else {
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Optional<Triple<Double, Double, Double>> optPos = path.getValue(CameraProperties.POSITION, time);
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if (optPos.isPresent()) {
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Triple<Double, Double, Double> pos = optPos.get();
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if (prevPos != null) {
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double distance = Math.sqrt(distanceSquared(prevPos, pos));
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double speed = Math.min(distance / (diff / steps), FASTEST_PATH_SPEED);
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double speedFraction = speed / FASTEST_PATH_SPEED;
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int color = interpolateColor(SLOW_PATH_COLOR, FAST_PATH_COLOR, speedFraction);
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drawConnection(viewPos, prevPos, pos, color, renderDistanceSquared);
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}
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prevPos = pos;
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continue;
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}
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}
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prevPos = null;
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}
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}
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GL11.glEnable(GL11.GL_BLEND);
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GL11.glEnable(GL11.GL_TEXTURE_2D);
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GL11.glBlendFunc(GL11.GL_DST_COLOR, GL11.GL_SRC_COLOR);
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GL11.glDisable(GL11.GL_DEPTH_TEST);
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path.getKeyframes().stream()
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.map(k -> Pair.of(k, k.getValue(CameraProperties.POSITION)))
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.filter(p -> p.getRight().isPresent())
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.map(p -> Pair.of(p.getLeft(), p.getRight().get()))
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.filter(p -> distanceSquared(p.getRight(), viewPos) < renderDistanceSquared)
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.sorted(new KeyframeComparator(viewPos)) // Need to render the furthest first
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.forEachOrdered(p -> drawPoint(viewPos, p.getRight(), p.getLeft()));
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GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
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GL11.glEnable(GL11.GL_DEPTH_TEST);
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int time = guiPathing.timeline.getCursorPosition();
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Optional<Integer> entityId = path.getValue(SpectatorProperty.PROPERTY, time);
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if (entityId.isPresent()) {
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// Spectating an entity
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if (entityTracker != null) {
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Optional<Integer> replayTime = timePath.getValue(TimestampProperty.PROPERTY, time);
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if (replayTime.isPresent()) {
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Location loc = entityTracker.getEntityPositionAtTimestamp(entityId.get(), replayTime.get());
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if (loc != null) {
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drawCamera(viewPos,
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Triple.of(loc.getX(), loc.getY(), loc.getZ()),
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Triple.of(loc.getYaw(), loc.getPitch(), 0f));
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}
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}
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}
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} else {
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// Normal camera path
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Optional<Triple<Double, Double, Double>> cameraPos = path.getValue(CameraProperties.POSITION, time);
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Optional<Triple<Float, Float, Float>> cameraRot = path.getValue(CameraProperties.ROTATION, time);
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if (cameraPos.isPresent() && cameraRot.isPresent()) {
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drawCamera(viewPos, cameraPos.get(), cameraRot.get());
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}
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}
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} finally {
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GlStateManager.popAttrib();
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}
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}
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private static int interpolateColor(int c1, int c2, double weight) {
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return (interpolateColorComponent((c1 >> 16) & 0xff, (c2 >> 16) & 0xff, weight) << 16)
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| (interpolateColorComponent((c1 >> 8) & 0xff, (c2 >> 8) & 0xff, weight) << 8)
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| interpolateColorComponent(c1 & 0xff, c2 & 0xff, weight);
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}
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private static int interpolateColorComponent(int c1, int c2, double weight) {
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return (int) (c1 + (1 - Math.pow(Math.E, -4 * weight)) * (c2 - c1)) & 0xff;
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}
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private static double distanceSquared(Triple<Double, Double, Double> p1, Triple<Double, Double, Double> p2) {
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double dx = p1.getLeft() - p2.getLeft();
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double dy = p1.getMiddle() - p2.getMiddle();
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double dz = p1.getRight() - p2.getRight();
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return dx * dx + dy * dy + dz * dz;
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}
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private void drawConnection(Triple<Double, Double, Double> view,
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Triple<Double, Double, Double> pos1,
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Triple<Double, Double, Double> pos2,
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int color, int renderDistanceSquared) {
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if (distanceSquared(view, pos1) > renderDistanceSquared) return;
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if (distanceSquared(view, pos2) > renderDistanceSquared) return;
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Tessellator tessellator = Tessellator.getInstance();
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BufferBuilder vertexBuffer = tessellator.getBuffer();
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vertexBuffer.setTranslation(-view.getLeft(), -view.getMiddle(), -view.getRight());
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vertexBuffer.begin(GL11.GL_LINES, DefaultVertexFormats.POSITION_COLOR);
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vertexBuffer.pos(pos1.getLeft(), pos1.getMiddle(), pos1.getRight()).color(
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color >> 16 & 0xff,
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color >> 8 & 0xff,
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color & 0xff,
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255
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).endVertex();
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vertexBuffer.pos(pos2.getLeft(), pos2.getMiddle(), pos2.getRight()).color(
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color >> 16 & 0xff,
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color >> 8 & 0xff,
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color & 0xff,
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255
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).endVertex();
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GL11.glLineWidth(3);
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tessellator.draw();
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vertexBuffer.setTranslation(0, 0, 0);
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}
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private void drawPoint(Triple<Double, Double, Double> view,
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Triple<Double, Double, Double> pos,
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Keyframe keyframe) {
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Tessellator tessellator = Tessellator.getInstance();
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BufferBuilder vertexBuffer = tessellator.getBuffer();
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vertexBuffer.setTranslation(0, 0, 0);
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mc.renderEngine.bindTexture(TEXTURE);
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float posX = 80f / ReplayMod.TEXTURE_SIZE;
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float posY = 0f;
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float size = 10f / ReplayMod.TEXTURE_SIZE;
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if (mod.isSelected(keyframe)) {
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posY += size;
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}
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if (keyframe.getValue(SpectatorProperty.PROPERTY).isPresent()) {
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posX += size;
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}
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float minX = -0.5f;
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float minY = -0.5f;
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float maxX = 0.5f;
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float maxY = 0.5f;
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vertexBuffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX);
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vertexBuffer.pos(minX, minY, 0).tex(posX + size, posY + size).endVertex();
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vertexBuffer.pos(minX, maxY, 0).tex(posX + size, posY).endVertex();
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vertexBuffer.pos(maxX, maxY, 0).tex(posX, posY).endVertex();
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vertexBuffer.pos(maxX, minY, 0).tex(posX, posY + size).endVertex();
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GL11.glPushMatrix();
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GL11.glTranslated(
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pos.getLeft() - view.getLeft(),
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pos.getMiddle() - view.getMiddle(),
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pos.getRight() - view.getRight()
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);
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GL11.glNormal3f(0, 1, 0);
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GL11.glRotatef(-mc.getRenderManager().playerViewY, 0, 1, 0);
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GL11.glRotatef(mc.getRenderManager().playerViewX, 1, 0, 0);
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tessellator.draw();
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GL11.glPopMatrix();
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}
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private void drawCamera(Triple<Double, Double, Double> view,
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Triple<Double, Double, Double> pos,
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Triple<Float, Float, Float> rot) {
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Tessellator tessellator = Tessellator.getInstance();
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BufferBuilder vertexBuffer = tessellator.getBuffer();
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vertexBuffer.setTranslation(0, 0, 0);
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mc.renderEngine.bindTexture(CAMERA_HEAD);
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GL11.glPushMatrix();
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GL11.glTranslated(
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pos.getLeft() - view.getLeft(),
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pos.getMiddle() - view.getMiddle(),
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pos.getRight() - view.getRight()
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);
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GL11.glRotated(-rot.getLeft(), 0, 1, 0); // Yaw
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GL11.glRotated(rot.getMiddle(), 1, 0, 0); // Pitch
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GL11.glRotated(rot.getRight(), 0, 0, 1); // Roll
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GL11.glNormal3f(0, 1, 0);
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//draw the position line
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GL11.glDisable(GL11.GL_TEXTURE_2D);
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vertexBuffer.begin(GL11.GL_LINES, DefaultVertexFormats.POSITION_COLOR);
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vertexBuffer.pos(0, 0, 0).color(0, 255, 0, 170).endVertex();
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vertexBuffer.pos(0, 0, 2).color(0, 255, 0, 170).endVertex();
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tessellator.draw();
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// draw camera cube
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GL11.glEnable(GL11.GL_TEXTURE_2D);
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float cubeSize = 0.5f;
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double r = -cubeSize/2;
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vertexBuffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX_COLOR);
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//back
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vertexBuffer.pos(r, r + cubeSize, r).tex(3 * 8 / 64f, 8 / 64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r + cubeSize, r + cubeSize, r).tex(4*8/64f, 8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r + cubeSize, r, r).tex(4*8/64f, 2*8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r, r, r).tex(3*8/64f, 2*8/64f).color(255, 255, 255, 200).endVertex();
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//front
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vertexBuffer.pos(r + cubeSize, r, r + cubeSize).tex(2 * 8 / 64f, 2*8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r + cubeSize, r + cubeSize, r + cubeSize).tex(2 * 8 / 64f, 8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r, r + cubeSize, r + cubeSize).tex(8 / 64f, 8 / 64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r, r, r + cubeSize).tex(8 / 64f, 2*8/64f).color(255, 255, 255, 200).endVertex();
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//left
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vertexBuffer.pos(r + cubeSize, r + cubeSize, r).tex(0, 8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r + cubeSize, r + cubeSize, r + cubeSize).tex(8/64f, 8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r + cubeSize, r, r + cubeSize).tex(8/64f, 2*8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r+cubeSize, r, r).tex(0, 2*8/64f).color(255, 255, 255, 200).endVertex();
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//right
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vertexBuffer.pos(r, r + cubeSize, r + cubeSize).tex(2*8/64f, 8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r, r + cubeSize, r).tex(3*8/64f, 8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r, r, r).tex(3*8/64f, 2*8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r, r, r + cubeSize).tex(2 * 8 / 64f, 2 * 8 / 64f).color(255, 255, 255, 200).endVertex();
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//bottom
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vertexBuffer.pos(r + cubeSize, r, r).tex(3*8/64f, 0).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r + cubeSize, r, r + cubeSize).tex(3*8/64f, 8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r, r, r + cubeSize).tex(2*8/64f, 8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r, r, r).tex(2 * 8 / 64f, 0).color(255, 255, 255, 200).endVertex();
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//top
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vertexBuffer.pos(r, r + cubeSize, r).tex(8/64f, 0).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r, r + cubeSize, r + cubeSize).tex(8/64f, 8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r + cubeSize, r + cubeSize, r + cubeSize).tex(2*8/64f, 8/64f).color(255, 255, 255, 200).endVertex();
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vertexBuffer.pos(r + cubeSize, r + cubeSize, r).tex(2 * 8 / 64f, 0).color(255, 255, 255, 200).endVertex();
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tessellator.draw();
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GL11.glPopMatrix();
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}
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private class KeyframeComparator implements Comparator<Pair<Keyframe, Triple<Double, Double, Double>>> {
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private final Triple<Double, Double, Double> viewPos;
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public KeyframeComparator(Triple<Double, Double, Double> viewPos) {
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this.viewPos = viewPos;
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}
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@Override
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public int compare(Pair<Keyframe, Triple<Double, Double, Double>> o1,
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Pair<Keyframe, Triple<Double, Double, Double>> o2) {
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return -Double.compare(distanceSquared(o1.getRight(), viewPos), distanceSquared(o2.getRight(), viewPos));
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}
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}
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}
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