diff options
Diffstat (limited to 'src/main/kotlin/com/raeids/stratus/utils/RenderHelper.kt')
| -rw-r--r-- | src/main/kotlin/com/raeids/stratus/utils/RenderHelper.kt | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/main/kotlin/com/raeids/stratus/utils/RenderHelper.kt b/src/main/kotlin/com/raeids/stratus/utils/RenderHelper.kt new file mode 100644 index 0000000..d2aac4d --- /dev/null +++ b/src/main/kotlin/com/raeids/stratus/utils/RenderHelper.kt @@ -0,0 +1,63 @@ +package com.raeids.stratus.utils + +import net.minecraft.client.renderer.GlStateManager +import net.minecraft.client.renderer.texture.TextureUtil +import net.minecraft.client.shader.Framebuffer +import org.lwjgl.BufferUtils +import org.lwjgl.opengl.GL11 +import org.lwjgl.opengl.GL12 +import java.awt.image.BufferedImage +import java.io.File +import javax.imageio.ImageIO + + +object RenderHelper { + /** + * Taken from https://github.com/Moulberry/HyChat + */ + fun screenshotFramebuffer(framebuffer: Framebuffer, file: File) { + val w = framebuffer.framebufferWidth + val h = framebuffer.framebufferHeight + val i = w * h + val pixelBuffer = BufferUtils.createIntBuffer(i) + val pixelValues = IntArray(i) + GL11.glPixelStorei(GL11.GL_PACK_ALIGNMENT, 1) + GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1) + GlStateManager.bindTexture(framebuffer.framebufferTexture) + GL11.glGetTexImage(GL11.GL_TEXTURE_2D, 0, GL12.GL_BGRA, GL12.GL_UNSIGNED_INT_8_8_8_8_REV, pixelBuffer) + pixelBuffer[pixelValues] //Load buffer into array + TextureUtil.processPixelValues(pixelValues, w, h) //Flip vertically + val bufferedimage = BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB) + val j = framebuffer.framebufferTextureHeight - framebuffer.framebufferHeight + for (k in j until framebuffer.framebufferTextureHeight) { + for (l in 0 until framebuffer.framebufferWidth) { + bufferedimage.setRGB(l, k - j, pixelValues[k * framebuffer.framebufferTextureWidth + l]) + } + } + try { + file.parentFile.mkdirs() + ImageIO.write(bufferedimage, "png", file) + } catch (e: Exception) { + e.printStackTrace() + } + } + + /** + * Taken from https://github.com/Moulberry/HyChat + */ + fun createBindFramebuffer(w: Int, h: Int): Framebuffer { + val framebuffer = Framebuffer(w, h, false) + framebuffer.framebufferColor[0] = 0x36 / 255f + framebuffer.framebufferColor[1] = 0x39 / 255f + framebuffer.framebufferColor[2] = 0x3F / 255f + framebuffer.framebufferClear() + GlStateManager.matrixMode(5889) + GlStateManager.loadIdentity() + GlStateManager.ortho(0.0, w.toDouble(), h.toDouble(), 0.0, 1000.0, 3000.0) + GlStateManager.matrixMode(5888) + GlStateManager.loadIdentity() + GlStateManager.translate(0.0f, 0.0f, -2000.0f) + framebuffer.bindFramebuffer(true) + return framebuffer + } +}
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