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if you keep getting "Unknown SID"

Add "X-WebChannel-Content-Type": "application/json+protobuf" header in chooseServer request

see

https://github.com/pykeio/brainrot/blob/6419dc9417fe77bc17d62c431e486cb7643d3008/src/youtube/signaler.rs#L105

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// new basis X Y Z to place the camera so that it's a left handed Y-UP Z-Forward system    
const Eigen::Vector3f cubemapFaceDirections[6][3] = {
        {{0, 0, 1}, {0, -1, 0}, {-1, 0, 0}},  // negx
        {{0, 0, 1}, {0, -1, 0}, {1, 0, 0}},   // posx
        {{1, 0, 0}, {0, 0, -1}, {0, -1, 0}},  // negy
        {{1, 0, 0}, {0, 0, 1}, {0, 1, 0}},    // posy
        {{-1, 0, 0}, {0, -1, 0}, {0, 0, -1}}, // negz
        {{1, 0, 0}, {0, -1, 0}, {0, 0, 1}},   // posz
    };

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ViewSpace

Z+ = Forward, Y+ = Up, X+ = Right

//SceneView.cpp

void FViewMatrices::Init(const FMinimalInitializer& Initializer);

// first 3 rows of ViewRotationMatrix

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Begin Object Class=/Script/UnrealEd.MaterialGraphNode_Root Name="MaterialGraphNode_Root_0" ExportPath="/Script/UnrealEd.MaterialGraphNode_Root'/Engine/Transient.M_Text2:MaterialGraph_0.MaterialGraphNode_Root_0'"
   Material="/Script/UnrealEd.PreviewMaterial'/Engine/Transient.M_Text2'"
   NodePosX=1392
   NodePosY=-944
   NodeGuid=0CB8AE394F5AB71F5CD07E978E95DA32
   CustomProperties Pin (PinId=44BE94B442E53906CB0A20A5DB4455EF,PinName="Base Color",PinType.PinCategory="materialinput",PinType.PinSubCategory="5",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=682922C94E24

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Begin Object Class=/Script/UnrealEd.MaterialGraphNode Name="MaterialGraphNode_19" ExportPath="/Script/UnrealEd.MaterialGraphNode'/Engine/Transient.PreviewMaterial_0:MaterialGraph_0.MaterialGraphNode_19'"
   Begin Object Class=/Script/Engine.MaterialExpressionCustom Name="MaterialExpressionCustom_0" ExportPath="/Script/Engine.MaterialExpressionCustom'/Engine/Transient.PreviewMaterial_0:MaterialGraph_0.MaterialGraphNode_19.MaterialExpressionCustom_0'"
   End Object
   Begin Object Name="MaterialExpressionCustom_0" ExportPath="/Script/Engine.MaterialExpressionCustom'/Engine/Transient.PreviewMaterial_0:MaterialGraph_0.MaterialGraphNode_19.MaterialExpressionCustom_0'"
      Code="\r\nfloat4 NDCPosition = LWCMultiply(MakeLWCVector4(LWCWorldPosition, 1.0f), ResolvedView.WorldToClip);\r\nNDCPosition.xy /= NDCPosition.w;\r\nfloat2 uv = NDCPosition.xy * float2(0.5f, -0.5f) + 0.5f;\r\nreturn uv;\r\n"
      OutputType=CMOT_Float2
      Description="ComputeUV"
      Inputs(0)=(InputName="WorldPosition",Input=(Expression="

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// Vertex shader source code
const vertexShaderSource = `#version 300 es
  in vec4 position;
  in vec2 texCoord;
  out vec2 vTexCoord;
  void main() {
    gl_Position = position;
    vTexCoord = texCoord;
  }`;

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Build Protobuf for Unreal Engine 5 C++ 20 on Windows

Prepare Environment

source code https://github.com/protocolbuffers/protobuf/commits/v27.2

Suppose we have the following file structure on D:

├── Code
│	├── protobuf

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" .ideavimrc is a configuration file for IdeaVim plugin. It uses
"   the same commands as the original .vimrc configuration.
" You can find a list of commands here: https://jb.gg/h38q75
" Find more examples here: https://jb.gg/share-ideavimrc


""" Map leader to space ---------------------
let mapleader=" "

"" -- Suggested options --

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#include<iostream>
#include <fstream>
#include <map>
#include<vector>

#include <stb_image.h>
#include <stb_image_write.h>

#define IMGP_SIZE 1024 * 1024

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set path+=**
set relativenumber
set nu
set hidden
set nowrap
set smartindent
set tabstop=4 softtabstop=4
set shiftwidth=4
set expandtab
set incsearch