Files
ReplayModCinematic/src/main/java/com/replaymod/render/capturer/OpenGlFrameCapturer.java
2021-06-06 10:42:16 +02:00

115 lines
3.6 KiB
Java

package com.replaymod.render.capturer;
import com.mojang.blaze3d.platform.GlStateManager;
import com.replaymod.core.versions.MCVer;
import com.replaymod.render.frame.OpenGlFrame;
import com.replaymod.render.rendering.Frame;
import com.replaymod.render.rendering.FrameCapturer;
import com.replaymod.render.utils.ByteBufferPool;
import de.johni0702.minecraft.gui.utils.lwjgl.Dimension;
import de.johni0702.minecraft.gui.utils.lwjgl.ReadableDimension;
import de.johni0702.minecraft.gui.utils.lwjgl.WritableDimension;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.gl.Framebuffer;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
import java.io.IOException;
import java.nio.ByteBuffer;
import static com.replaymod.core.versions.MCVer.popMatrix;
import static com.replaymod.core.versions.MCVer.pushMatrix;
import static com.replaymod.core.versions.MCVer.resizeMainWindow;
import static org.lwjgl.opengl.GL11.GL_COLOR_BUFFER_BIT;
import static org.lwjgl.opengl.GL11.GL_DEPTH_BUFFER_BIT;
public abstract class OpenGlFrameCapturer<F extends Frame, D extends CaptureData> implements FrameCapturer<F> {
protected final WorldRenderer worldRenderer;
protected final RenderInfo renderInfo;
protected int framesDone;
private Framebuffer frameBuffer;
protected final MinecraftClient mc = MCVer.getMinecraft();
public OpenGlFrameCapturer(WorldRenderer worldRenderer, RenderInfo renderInfo) {
this.worldRenderer = worldRenderer;
this.renderInfo = renderInfo;
}
protected final ReadableDimension frameSize = new ReadableDimension() {
@Override
public int getWidth() {
return getFrameWidth();
}
@Override
public int getHeight() {
return getFrameHeight();
}
@Override
public void getSize(WritableDimension dest) {
dest.setSize(getWidth(), getHeight());
}
};
protected int getFrameWidth() {
return renderInfo.getFrameSize().getWidth();
}
protected int getFrameHeight() {
return renderInfo.getFrameSize().getHeight();
}
protected Framebuffer frameBuffer() {
if (frameBuffer == null) {
frameBuffer = mc.getFramebuffer();
}
return frameBuffer;
}
@Override
public boolean isDone() {
return framesDone >= renderInfo.getTotalFrames();
}
protected OpenGlFrame renderFrame(int frameId, float partialTicks) {
return renderFrame(frameId, partialTicks, null);
}
protected OpenGlFrame renderFrame(int frameId, float partialTicks, D captureData) {
resizeMainWindow(mc, getFrameWidth(), getFrameHeight());
pushMatrix();
frameBuffer().beginWrite(true);
GlStateManager.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT
//#if MC>=11400
, false
//#endif
);
GlStateManager.enableTexture();
worldRenderer.renderWorld(partialTicks, captureData);
frameBuffer().endWrite();
popMatrix();
return captureFrame(frameId, captureData);
}
protected OpenGlFrame captureFrame(int frameId, D captureData) {
ByteBuffer buffer = ByteBufferPool.allocate(getFrameWidth() * getFrameHeight() * 4);
frameBuffer().beginWrite(true);
GL11.glReadPixels(0, 0, getFrameWidth(), getFrameHeight(), GL12.GL_BGRA, GL11.GL_UNSIGNED_BYTE, buffer);
frameBuffer().endWrite();
buffer.rewind();
return new OpenGlFrame(frameId, new Dimension(getFrameWidth(), getFrameHeight()), 4, buffer);
}
@Override
public void close() throws IOException {
}
}