Files
ReplayModCinematic/src/main/java/com/replaymod/render/capturer/OpenGlFrameCapturer.java
2019-05-04 15:27:03 +02:00

143 lines
4.4 KiB
Java

package com.replaymod.render.capturer;
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.Minecraft;
import net.minecraft.client.shader.Framebuffer;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
import java.io.IOException;
import java.nio.ByteBuffer;
//#if MC>=11300
import com.replaymod.render.mixin.MainWindowAccessor;
//#endif
//#if MC>=10800
import static net.minecraft.client.renderer.GlStateManager.*;
//#else
//$$ import static com.replaymod.core.versions.MCVer.GlStateManager.*;
//#endif
import static org.lwjgl.opengl.GL11.GL_COLOR_BUFFER_BIT;
import static org.lwjgl.opengl.GL11.GL_DEPTH_BUFFER_BIT;
public abstract class OpenGlFrameCapturer<F extends Frame, D extends CaptureData> implements FrameCapturer<F> {
protected final WorldRenderer worldRenderer;
protected final RenderInfo renderInfo;
protected int framesDone;
private Framebuffer frameBuffer;
private final Minecraft mc = MCVer.getMinecraft();
public OpenGlFrameCapturer(WorldRenderer worldRenderer, RenderInfo renderInfo) {
this.worldRenderer = worldRenderer;
this.renderInfo = renderInfo;
}
protected final ReadableDimension frameSize = new ReadableDimension() {
@Override
public int getWidth() {
return getFrameWidth();
}
@Override
public int getHeight() {
return getFrameHeight();
}
@Override
public void getSize(WritableDimension dest) {
dest.setSize(getWidth(), getHeight());
}
};
protected int getFrameWidth() {
return renderInfo.getFrameSize().getWidth();
}
protected int getFrameHeight() {
return renderInfo.getFrameSize().getHeight();
}
protected Framebuffer frameBuffer() {
if (frameBuffer == null) {
frameBuffer = mc.getFramebuffer();
}
return frameBuffer;
}
@Override
public boolean isDone() {
return framesDone >= renderInfo.getTotalFrames();
}
protected OpenGlFrame renderFrame(int frameId, float partialTicks) {
return renderFrame(frameId, partialTicks, null);
}
protected OpenGlFrame renderFrame(int frameId, float partialTicks, D captureData) {
resize(getFrameWidth(), getFrameHeight());
pushMatrix();
frameBuffer().bindFramebuffer(true);
clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT
//#if MC>=11400
//$$ , false
//#endif
);
enableTexture2D();
worldRenderer.renderWorld(partialTicks, captureData);
frameBuffer().unbindFramebuffer();
popMatrix();
return captureFrame(frameId, captureData);
}
protected OpenGlFrame captureFrame(int frameId, D captureData) {
ByteBuffer buffer = ByteBufferPool.allocate(getFrameWidth() * getFrameHeight() * 4);
frameBuffer().bindFramebuffer(true);
GL11.glReadPixels(0, 0, getFrameWidth(), getFrameHeight(), GL12.GL_BGRA, GL11.GL_UNSIGNED_BYTE, buffer);
frameBuffer().unbindFramebuffer();
buffer.rewind();
return new OpenGlFrame(frameId, new Dimension(getFrameWidth(), getFrameHeight()), buffer);
}
protected void resize(int width, int height) {
//#if MC>=11300
Framebuffer fb = mc.getFramebuffer();
if (fb.framebufferWidth != width || fb.framebufferHeight != height) {
fb.createFramebuffer(width, height
//#if MC>=11400
//$$ , false
//#endif
);
}
//noinspection ConstantConditions
MainWindowAccessor mainWindow = (MainWindowAccessor) (Object) mc.mainWindow;
mainWindow.setFramebufferWidth(width);
mainWindow.setFramebufferHeight(height);
//#else
//$$ if (width != mc.displayWidth || height != mc.displayHeight) {
//$$ mc.resize(width, height);
//$$ }
//#endif
}
@Override
public void close() throws IOException {
worldRenderer.close();
}
}