74 lines
2.5 KiB
Java
Executable File
74 lines
2.5 KiB
Java
Executable File
package eu.crushedpixel.replaymod.video;
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import net.minecraft.client.Minecraft;
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import net.minecraft.client.renderer.GlStateManager;
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import net.minecraft.client.renderer.OpenGlHelper;
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import net.minecraft.client.renderer.texture.TextureUtil;
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import net.minecraft.client.shader.Framebuffer;
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import org.lwjgl.BufferUtils;
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import org.lwjgl.opengl.GL11;
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import org.lwjgl.opengl.GL12;
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import java.awt.image.BufferedImage;
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import java.nio.IntBuffer;
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public class ScreenCapture {
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private static final Minecraft mc = Minecraft.getMinecraft();
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private static IntBuffer pixelBuffer;
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private static int[] pixelValues;
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public static BufferedImage captureScreen() {
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int width = mc.displayWidth;
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int height = mc.displayHeight;
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Framebuffer buffer = mc.getFramebuffer();
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if(OpenGlHelper.isFramebufferEnabled()) {
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width = buffer.framebufferTextureWidth;
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height = buffer.framebufferTextureHeight;
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}
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int k = width * height;
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if(pixelBuffer == null || pixelBuffer.capacity() < k) {
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pixelBuffer = BufferUtils.createIntBuffer(k);
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pixelValues = new int[k];
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}
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GL11.glPixelStorei(GL11.GL_PACK_ALIGNMENT, 1);
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GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
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pixelBuffer.clear();
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if(OpenGlHelper.isFramebufferEnabled()) {
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GlStateManager.bindTexture(buffer.framebufferTexture);
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GL11.glGetTexImage(GL11.GL_TEXTURE_2D, 0, GL12.GL_BGRA, GL12.GL_UNSIGNED_INT_8_8_8_8_REV, pixelBuffer);
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} else {
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GL11.glReadPixels(0, 0, width, height, GL12.GL_BGRA, GL12.GL_UNSIGNED_INT_8_8_8_8_REV, pixelBuffer);
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}
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pixelBuffer.get(pixelValues);
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TextureUtil.processPixelValues(pixelValues, width, height);
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BufferedImage bufferedimage = null;
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if(OpenGlHelper.isFramebufferEnabled()) {
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bufferedimage = new BufferedImage(buffer.framebufferWidth, buffer.framebufferHeight, 1);
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int l = buffer.framebufferTextureHeight - buffer.framebufferHeight;
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for(int i1 = l; i1 < buffer.framebufferTextureHeight; ++i1) {
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for(int j1 = 0; j1 < buffer.framebufferWidth; ++j1) {
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bufferedimage.setRGB(j1, i1 - l, pixelValues[i1 * buffer.framebufferTextureWidth + j1]);
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}
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}
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} else {
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bufferedimage = new BufferedImage(width, height, 1);
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bufferedimage.setRGB(0, 0, width, height, pixelValues, 0, width);
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}
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return bufferedimage;
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}
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}
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