Files
ReplayModCinematic/src/main/java/eu/crushedpixel/replaymod/video/VideoRenderer.java

425 lines
15 KiB
Java

package eu.crushedpixel.replaymod.video;
import eu.crushedpixel.replaymod.ReplayMod;
import eu.crushedpixel.replaymod.entities.CameraEntity;
import eu.crushedpixel.replaymod.gui.GuiVideoRenderer;
import eu.crushedpixel.replaymod.holders.AdvancedPosition;
import eu.crushedpixel.replaymod.holders.Keyframe;
import eu.crushedpixel.replaymod.holders.TimestampValue;
import eu.crushedpixel.replaymod.interpolation.GenericLinearInterpolation;
import eu.crushedpixel.replaymod.interpolation.GenericSplineInterpolation;
import eu.crushedpixel.replaymod.interpolation.Interpolation;
import eu.crushedpixel.replaymod.interpolation.KeyframeList;
import eu.crushedpixel.replaymod.renderer.ChunkLoadingRenderGlobal;
import eu.crushedpixel.replaymod.replay.ReplayHandler;
import eu.crushedpixel.replaymod.replay.ReplaySender;
import eu.crushedpixel.replaymod.settings.RenderOptions;
import eu.crushedpixel.replaymod.timer.EnchantmentTimer;
import eu.crushedpixel.replaymod.timer.ReplayTimer;
import eu.crushedpixel.replaymod.video.capturer.RenderInfo;
import eu.crushedpixel.replaymod.video.frame.RGBFrame;
import eu.crushedpixel.replaymod.video.rendering.Pipeline;
import eu.crushedpixel.replaymod.video.rendering.Pipelines;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.ScaledResolution;
import net.minecraft.util.Timer;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.Display;
import org.lwjgl.util.Dimension;
import org.lwjgl.util.ReadableDimension;
import java.io.IOException;
import java.util.concurrent.FutureTask;
import static net.minecraft.client.renderer.GlStateManager.*;
import static org.lwjgl.opengl.GL11.GL_COLOR_BUFFER_BIT;
import static org.lwjgl.opengl.GL11.GL_DEPTH_BUFFER_BIT;
public class VideoRenderer implements RenderInfo {
private final Minecraft mc = Minecraft.getMinecraft();
private final ReplaySender replaySender;
private final RenderOptions options;
private int fps;
private boolean mouseWasGrabbed;
private ChunkLoadingRenderGlobal chunkLoadingRenderGlobal;
private Interpolation<AdvancedPosition> movement;
private Interpolation<TimestampValue> time;
private int framesDone;
private int totalFrames;
private final GuiVideoRenderer gui;
private boolean paused;
private boolean cancelled;
private final Pipeline renderingPipeline;
public VideoRenderer(RenderOptions options) throws IOException {
this.gui = new GuiVideoRenderer(this);
this.replaySender = ReplayMod.replaySender;
this.options = options;
this.renderingPipeline = Pipelines.newPipeline(options.getMode(), this, new VideoWriter(options) {
@Override
public void consume(RGBFrame frame) {
gui.updatePreview(frame);
super.consume(frame);
}
});
}
/**
* Render this video.
* @return {@code true} if rendering was successful, {@code false} if the user aborted rendering (or the window was closed)
* @throws IOException {@link Minecraft#runTick()} can apparently throw these, don't question it!
*/
public boolean renderVideo() throws IOException {
setup();
// Because this might take some time to prepare we'll render the GUI at least once to not confuse the user
drawGui();
Timer timer = mc.timer;
// Play up to one second before starting to render
// This is necessary in order to ensure that all entities have at least two position packets
// and their first position in the recording is correct.
// Note that it is impossible to also get the interpolation between their latest position
// and the one in the recording correct as there's no reliable way to tell when the server ticks
// or when we should be done with the interpolation of the entity
TimestampValue timestampValue = new TimestampValue();
time.applyPoint(0, timestampValue);
int videoStart = (int) timestampValue.value;
if (videoStart > 1000) {
int replayTime = videoStart - 1000;
timer.elapsedPartialTicks = timer.renderPartialTicks = 0;
timer.timerSpeed = 1;
while (replayTime < videoStart) {
timer.elapsedTicks = 1;
replayTime += 50;
replaySender.sendPacketsTill(replayTime);
tick();
}
}
mc.renderGlobal.renderEntitiesStartupCounter = 0;
renderingPipeline.run();
finish();
return !cancelled;
}
@Override
public float updateForNextFrame() {
if (!options.isHighPerformance() || framesDone % fps == 0) {
drawGui();
}
updateTime(mc.timer, framesDone);
int elapsedTicks = mc.timer.elapsedTicks;
while (elapsedTicks-- > 0) {
tick();
}
updateCam();
framesDone++;
return mc.timer.renderPartialTicks;
}
@Override
public RenderOptions getRenderOptions() {
return options;
}
private void setup() {
if (Mouse.isGrabbed()) {
mouseWasGrabbed = true;
}
Mouse.setGrabbed(false);
ReplayTimer.get(mc).passive = true;
mc.timer.timerSpeed = 1;
fps = options.getFps();
if (options.isLinearMovement()) {
movement = new GenericLinearInterpolation<AdvancedPosition>();
} else {
movement = new GenericSplineInterpolation<AdvancedPosition>();
}
time = new GenericLinearInterpolation<TimestampValue>();
int duration = 0;
int posKeyframes = 0;
for(Keyframe<AdvancedPosition> keyframe : ReplayHandler.getPositionKeyframes()) {
if (keyframe.getRealTimestamp() > duration) {
duration = keyframe.getRealTimestamp();
}
movement.addPoint(keyframe.getValue());
posKeyframes++;
}
for(Keyframe<TimestampValue> keyframe : ReplayHandler.getTimeKeyframes()) {
if (keyframe.getRealTimestamp() > duration) {
duration = keyframe.getRealTimestamp();
}
int timestamp = (int)keyframe.getValue().value;
time.addPoint(new TimestampValue(timestamp));
}
totalFrames = duration*fps/1000;
if (posKeyframes >= 2) {
movement.prepare();
} else {
movement = null; // No movement occurring
}
time.prepare();
ScaledResolution scaled = new ScaledResolution(mc, mc.displayWidth, mc.displayHeight);
gui.setWorldAndResolution(mc, scaled.getScaledWidth(), scaled.getScaledHeight());
if (options.isWaitForChunks()) {
chunkLoadingRenderGlobal = new ChunkLoadingRenderGlobal(mc.renderGlobal);
}
}
private void finish() {
if (mouseWasGrabbed) {
mc.mouseHelper.grabMouseCursor();
}
ReplayTimer.get(mc).passive = false;
mc.displayGuiScreen(null);
if (chunkLoadingRenderGlobal != null) {
chunkLoadingRenderGlobal.uninstall();
}
ReplayMod.soundHandler.playRenderSuccessSound();
mc.displayGuiScreen(null);
}
private void updateCam() {
KeyframeList<AdvancedPosition> positionKeyframes = ReplayHandler.getPositionKeyframes();
if (ReplayHandler.getCameraEntity() == null) {
if (mc.theWorld == null) {
return; // World hasn't been sent yet
}
ReplayHandler.setCameraEntity(new CameraEntity(mc.theWorld));
}
int videoTime = framesDone * 1000 / fps;
int posCount = ReplayHandler.getPositionKeyframes().size();
AdvancedPosition pos = new AdvancedPosition();
Keyframe<AdvancedPosition> lastPos = positionKeyframes.getPreviousKeyframe(videoTime, true);
Keyframe<AdvancedPosition> nextPos = null;
if (movement == null || lastPos == null) {
// Stay at one position, no movement
Keyframe<AdvancedPosition> keyframe = positionKeyframes.getNextKeyframe(-1, true);
assert keyframe != null;
pos = keyframe.getValue();
} else {
// Position interpolation
nextPos = positionKeyframes.getNextKeyframe(videoTime, true);
int lastPosStamp = lastPos.getRealTimestamp();
int nextPosStamp = (nextPos == null ? lastPos : nextPos).getRealTimestamp();
int diffLength = nextPosStamp - lastPosStamp;
float diffPct = (float) (videoTime - lastPosStamp) / diffLength;
if(Float.isInfinite(diffPct) || Float.isNaN(diffPct)) diffPct = 0;
float totalPct = (positionKeyframes.indexOf(lastPos) + diffPct) / (posCount-1);
movement.applyPoint(Math.max(0, Math.min(1, totalPct)), pos);
}
boolean spectating = false;
//if it's between two spectator keyframes sharing the same entity, spectate this entity
if(lastPos != null && nextPos != null) {
if(lastPos.getValue().getSpectatedEntityID() != null && nextPos.getValue().getSpectatedEntityID() != null) {
if(lastPos.getValue().getSpectatedEntityID().equals(nextPos.getValue().getSpectatedEntityID())) {
spectating = true;
}
}
}
if(!spectating) {
// Make sure we're spectating the camera entity
// We do not use .spectateCamera() as that method sets the position of the camera to the previous
// entity, overriding our calculations
ReplayHandler.spectateEntity(ReplayHandler.getCameraEntity());
if(pos != null) {
ReplayHandler.setCameraTilt((float)pos.getRoll());
ReplayHandler.getCameraEntity().movePath(pos);
mc.entityRenderer.fovModifierHand = mc.entityRenderer.fovModifierHandPrev = 1;
}
} else {
ReplayHandler.spectateEntity(mc.theWorld.getEntityByID(lastPos.getValue().getSpectatedEntityID()));
}
}
private void updateTime(Timer timer, int framesDone) {
KeyframeList<TimestampValue> timeKeyframes = ReplayHandler.getTimeKeyframes();
int videoTime = framesDone * 1000 / fps;
int timeCount = timeKeyframes.size();
// WARNING: The rest of this method contains some magic for which Marius is responsible
// Time interpolation
Keyframe<TimestampValue> lastTime = timeKeyframes.getPreviousKeyframe(videoTime, false);
Keyframe<TimestampValue> nextTime = timeKeyframes.getNextKeyframe(videoTime, false);
int lastTimeStamp = 0;
int nextTimeStamp = 0;
double curSpeed = 0;
if(nextTime != null || lastTime != null) {
if(nextTime != null && lastTime != null && nextTime.getRealTimestamp() == lastTime.getRealTimestamp()) {
curSpeed = 0;
} else {
if(nextTime != null) {
nextTimeStamp = nextTime.getRealTimestamp();
} else {
nextTimeStamp = lastTime.getRealTimestamp();
}
if(lastTime != null) {
lastTimeStamp = lastTime.getRealTimestamp();
} else {
lastTimeStamp = nextTime.getRealTimestamp();
}
if(!(nextTime == null || lastTime == null)) {
curSpeed = ((double)(((int)nextTime.getValue().value-(int)lastTime.getValue().value)))/((double)((nextTimeStamp-lastTimeStamp)));
}
if(lastTimeStamp == nextTimeStamp) {
curSpeed = 0f;
}
}
}
int currentTimeDiff = nextTimeStamp - lastTimeStamp;
int currentTime = videoTime - lastTimeStamp;
float currentTimeStepPerc = (float)currentTime/(float)currentTimeDiff; //The percentage of the travelled path between the current timestamps
if(Float.isInfinite(currentTimeStepPerc) || Float.isNaN(currentTimeStepPerc)) currentTimeStepPerc = 0;
float timePos = (timeKeyframes.indexOf(lastTime) + currentTimeStepPerc) / (timeCount-1f);
TimestampValue timestampValue = new TimestampValue();
time.applyPoint(Math.max(0, Math.min(1, timePos)), timestampValue);
Integer replayTime = (int) timestampValue.value;
replaySender.sendPacketsTill(replayTime);
if (curSpeed >= 0) {
replaySender.setReplaySpeed(curSpeed);
}
// Update Timer
EnchantmentTimer.increaseRecordingTime(1000 / fps);
timer.elapsedPartialTicks += timer.timerSpeed * 20 / fps;
timer.elapsedTicks = (int) timer.elapsedPartialTicks;
timer.elapsedPartialTicks -= timer.elapsedTicks;
timer.renderPartialTicks = timer.elapsedPartialTicks;
}
private void tick() {
synchronized (mc.scheduledTasks) {
while (!mc.scheduledTasks.isEmpty()) {
((FutureTask) mc.scheduledTasks.poll()).run();
}
}
mc.currentScreen = gui;
try {
mc.runTick();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public void drawGui() {
do {
pushMatrix();
clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
enableTexture2D();
mc.getFramebuffer().bindFramebuffer(true);
mc.entityRenderer.setupOverlayRendering();
try {
gui.handleInput();
} catch (IOException e) {
// That's a strange exception from this kind of method O_o
// It isn't actually thrown here, so we'll deal with it the easy way
throw new RuntimeException(e);
}
ScaledResolution scaled = new ScaledResolution(mc, mc.displayWidth, mc.displayHeight);
int mouseX = Mouse.getX() * scaled.getScaledWidth() / mc.displayWidth;
int mouseY = scaled.getScaledHeight() - Mouse.getY() * scaled.getScaledHeight() / mc.displayHeight - 1;
gui.drawScreen(mouseX, mouseY, 0);
mc.getFramebuffer().unbindFramebuffer();
popMatrix();
pushMatrix();
mc.getFramebuffer().framebufferRender(mc.displayWidth, mc.displayHeight);
popMatrix();
Display.update();
if (Mouse.isGrabbed()) {
Mouse.setGrabbed(false);
}
if (paused) {
try {
Thread.sleep(50);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
return;
}
}
} while (paused);
}
public int getFramesDone() {
return framesDone;
}
@Override
public ReadableDimension getFrameSize() {
return new Dimension(options.getWidth(), options.getHeight());
}
public int getTotalFrames() {
return totalFrames;
}
public int getVideoTime() { return framesDone * 1000 / fps; }
public void setPaused(boolean paused) {
this.paused = paused;
}
public boolean isPaused() {
return paused;
}
public void cancel() {
this.cancelled = true;
renderingPipeline.cancel();
}
}