Drawing transparent textures that are otherwise opqaue

BaseScreen.java

	public void drawTextureRaw(
		MatrixStack matrixStack, int x, int y,
		int srcX, int srcY, int w, int h, int r, int g, int b, int a
	) {
		RenderSystem.enableBlend();
		RenderSystem.disableAlphaTest();
		Matrix4f matrix = matrixStack.getLast().getMatrix();
		int blitOffset = getBlitOffset();
		BufferBuilder bufferbuilder = Tessellator.getInstance().getBuffer();
		bufferbuilder.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_COLOR_TEX);
		bufferbuilder.pos(matrix, (float) x, (float) (y + h), (float) blitOffset)
			.color(r,g,b,a)
			.tex(((float) srcX + 0.0F) / (float) 256, ((float) srcY + (float) h) / (float) 256)
			.endVertex();
		bufferbuilder.pos(matrix, (float) (x + w), (float) (y + h), (float) blitOffset)
			.color(r,g,b,a)
			.tex(((float) srcX + (float) w) / (float) 256, ((float) srcY + (float) h) / (float) 256)
			.endVertex();
		bufferbuilder.pos(matrix, (float) (x + w), (float) y, (float) blitOffset)
			.color(r,g,b,a)
			.tex(((float) srcX + (float) w) / (float) 256, ((float) srcY + 0.0F) / (float) 256)
			.endVertex();
		bufferbuilder.pos(matrix, (float) x, (float) y, (float) blitOffset)
			.color(r,g,b,a)
			.tex(((float) srcX + 0.0F) / (float) 256, ((float) srcY + 0.0F) / (float) 256)
			.endVertex();
		bufferbuilder.finishDrawing();
		RenderSystem.enableAlphaTest();
		WorldVertexBufferUploader.draw(bufferbuilder);
	}