made a lot of changes, to get the render pipeline working

TSE_Base/src/IdGenerator.cpp

@@ -1,9 +1,21 @@
 #include "IdGenerator.hpp"
 
-std::mt19937 rnd = std::mt19937();
+bool init = false;
+std::mt19937 rnd;
 auto gen = uuids::uuid_random_generator(rnd);
 
 uuids::uuid TSE::GenerateRandomUUID()
 {
+    if(!init)
+    {
+      InitRandomIDs();
+      init = true;  
+    } 
     return gen();
 }
+
+void TSE::InitRandomIDs()
+{
+    rnd = std::mt19937();
+    gen = uuids::uuid_random_generator(rnd);
+}

TSE_Base/src/IdGenerator.hpp

@@ -5,4 +5,5 @@
 namespace TSE
 {
     uuids::uuid GenerateRandomUUID();
+    void InitRandomIDs();
 } // namespace TSE

TSE_Core/src/BehaviourScripts/Camera.cpp

@@ -1,6 +1,7 @@
 #include "Camera.hpp"
 #include "elements/Transformable.hpp"
 #include "interfaces/IRenderer.hpp"
+#include "uuid.h"
 
 TSE::Camera* TSE::Camera::mainCamera = nullptr;
 TSE::ICameraHelper* TSE::Camera::helper = nullptr;
@@ -30,6 +31,11 @@ float TSE::Camera::GetFov() const
     return fov;
 }
 
+const TSE::Vector2 &TSE::Camera::GetRenderTargetSize() const
+{
+    return lastRtSize;
+}
+
 TSE::Vector3 TSE::Camera::SceenPositionToGamePosition(Vector2 screenPos)
 {
     float x = 2.0f * screenPos.x / lastRtSize.x -1.0f;

TSE_Core/src/BehaviourScripts/Camera.hpp

@@ -8,6 +8,7 @@
 #include "Vector3.hpp"
 #include "interfaces/IRenderTarget.hpp"
 #include "elements/BehaviourScript.hpp"
+#include "uuid.h"
 
 namespace TSE
 {
@@ -41,6 +42,7 @@ namespace TSE
         Vector2 lastRtSize = {0, 0};
     
     public:
+        std::vector<uuids::uuid> layersNotToRender;
         static ICameraHelper* helper;
         static Camera* mainCamera;
 
@@ -50,6 +52,7 @@ namespace TSE
         float GetNearClippingPlane() const;
         float GetFarClippingPlane() const;
         float GetFov() const;
+        const Vector2& GetRenderTargetSize() const;
 
         // Setter
         Vector3 SceenPositionToGamePosition(Vector2 screenPos);

TSE_Core/src/BehaviourScripts/TileMap.cpp

@@ -7,9 +7,14 @@ TSE::TileMapChunk::TileMapChunk(int _chunksize, const Vector2 &_pos, SortingOrde
     order = _order;
 }
 
-void TSE::TileMapChunk::SetTile(const Vector2& p, const Vector2& Spriteindex, TileSet* set)
+void TSE::TileMapChunk::SetTile(const Vector2& p, const Vector2& Spriteindex, const Vector2& Normalindex, TileSet* set)
 {
-    sprites[p] = set->GetSpriteIdAt(Spriteindex.x, Spriteindex.y);
+    int normalid = -1;
+    if(Normalindex != Vector2(-1,-1))
+        normalid = set->GetSpriteIdAt(Normalindex.x, Normalindex.y);
+    sprites[p] = {set->GetSpriteIdAt(Spriteindex.x, Spriteindex.y), normalid};
+    dirtyPositions = true;
+    dirtySpriteIds = true;
 }
 
 void TSE::TileMapChunk::RemoveTile(Vector2 p)
@@ -22,8 +27,11 @@ void TSE::TileMapChunk::SetOrdering(SortingOrder _order)
     order = _order;
 }
 
-void TSE::TileMapChunk::GetOrderedPositions(Vector2 *array)
+const std::vector<TSE::Vector2>* TSE::TileMapChunk::GetOrderedPositions()
 {
+    if(dirtyPositions)
+    {
+        orderedPositions.clear();
         switch (order)
         {
         case TopLeft:
@@ -35,7 +43,7 @@ void TSE::TileMapChunk::GetOrderedPositions(Vector2 *array)
                     Vector2 p(x,y);
                     auto v = sprites.find(p);
                     if(v != sprites.end())
-                    *array++ = v->first - offset;
+                    orderedPositions.push_back(v->first - offset);
                 }
             }
             break;
@@ -48,7 +56,7 @@ void TSE::TileMapChunk::GetOrderedPositions(Vector2 *array)
                     Vector2 p(x,y);
                     auto v = sprites.find(p);
                     if(v != sprites.end())
-                    *array++ = v->first - offset;
+                    orderedPositions.push_back(v->first - offset);
                 }
             }
             break;
@@ -61,7 +69,7 @@ void TSE::TileMapChunk::GetOrderedPositions(Vector2 *array)
                     Vector2 p(x,y);
                     auto v = sprites.find(p);
                     if(v != sprites.end())
-                    *array++ = v->first - offset;
+                    orderedPositions.push_back(v->first - offset);
                 }
             }
             break;
@@ -74,15 +82,21 @@ void TSE::TileMapChunk::GetOrderedPositions(Vector2 *array)
                     Vector2 p(x,y);
                     auto v = sprites.find(p);
                     if(v != sprites.end())
-                    *array++ = v->first - offset;
+                    orderedPositions.push_back(v->first - offset);
                 }
             }
             break;
         }
+        dirtyPositions = false;
+    }
+    return &orderedPositions;
 }
 
-void TSE::TileMapChunk::GetOrderedSpriteIds(int *array)
+const std::vector<TSE::Vector2i>* TSE::TileMapChunk::GetOrderedSpriteIds()
 {
+    if(dirtySpriteIds)
+    {
+        orderedSpriteIDs.clear();
         switch (order)
         {
         case TopLeft:
@@ -93,7 +107,7 @@ void TSE::TileMapChunk::GetOrderedSpriteIds(int *array)
                     Vector2 p(x,y);
                     auto v = sprites.find(p);
                     if(v != sprites.end())
-                    *array++ = v->second;
+                        orderedSpriteIDs.push_back(v->second);
                 }
             }
             break;
@@ -105,7 +119,7 @@ void TSE::TileMapChunk::GetOrderedSpriteIds(int *array)
                     Vector2 p(x,y);
                     auto v = sprites.find(p);
                     if(v != sprites.end())
-                    *array++ = v->second;
+                        orderedSpriteIDs.push_back(v->second);
                 }
             }
             break;
@@ -117,7 +131,7 @@ void TSE::TileMapChunk::GetOrderedSpriteIds(int *array)
                     Vector2 p(x,y);
                     auto v = sprites.find(p);
                     if(v != sprites.end())
-                    *array++ = v->second;
+                        orderedSpriteIDs.push_back(v->second);
                 }
             }
             break;
@@ -129,11 +143,14 @@ void TSE::TileMapChunk::GetOrderedSpriteIds(int *array)
                     Vector2 p(x,y);
                     auto v = sprites.find(p);
                     if(v != sprites.end())
-                    *array++ = v->second;
+                        orderedSpriteIDs.push_back(v->second);
                 }
             }
             break;
         }
+        dirtySpriteIds = false;
+    }
+    return &orderedSpriteIDs;
 }
 
 int TSE::TileMapChunk::GetChunksize()
@@ -154,17 +171,18 @@ void TSE::TileMap::RemoveTile(Vector2 p)
         chunks[chunkIndex].RemoveTile(chunkInnerPos);
 }
 
-void TSE::TileMap::SetTile(Vector2 p, Vector2 Spriteindex)
+void TSE::TileMap::SetTile(Vector2 p, Vector2 Spriteindex, Vector2 Normalindex)
 {
     Vector2 chunkInnerPos = LocalToChunkPos(p);
     Vector2 chunkIndex = p - chunkInnerPos;
     if(!chunks.contains(chunkIndex))
     {
+        dirty = true;
         chunks[chunkIndex] = TileMapChunk(chunkSize, chunkIndex, order);
         chunks[chunkIndex].nextLine = nextLine;
         CheckBounds(chunkIndex);
     }
-    chunks[chunkIndex].SetTile(chunkInnerPos, Spriteindex, set);
+    chunks[chunkIndex].SetTile(chunkInnerPos, Spriteindex, Normalindex, set);
 }
 
 TSE::TileMapChunk* TSE::TileMap::GetChunk(const Vector2 &pos)
@@ -175,9 +193,11 @@ TSE::TileMapChunk* TSE::TileMap::GetChunk(const Vector2 &pos)
     return &chunks[pos];
 }
 
-void TSE::TileMap::GetChunkPositionsInOrder(Vector2 *arr)
+const std::vector<TSE::Vector2>* TSE::TileMap::GetChunkPositionsInOrder()
 {
-
+    if(dirty)
+    {
+        orderedChunks.clear();
         switch (order)
         {
         case TopLeft:
@@ -188,7 +208,7 @@ void TSE::TileMap::GetChunkPositionsInOrder(Vector2 *arr)
                     Vector2 p(x,y);
                     auto v = chunks.find(p);
                     if(v != chunks.end())
-                    *arr++ = v->first;
+                        orderedChunks.push_back(v->first);
                 }
             }
             break;
@@ -200,7 +220,7 @@ void TSE::TileMap::GetChunkPositionsInOrder(Vector2 *arr)
                     Vector2 p(x,y);
                     auto v = chunks.find(p);
                     if(v != chunks.end())
-                    *arr++ = v->first;
+                        orderedChunks.push_back(v->first);
                 }
             }
             break;
@@ -212,7 +232,7 @@ void TSE::TileMap::GetChunkPositionsInOrder(Vector2 *arr)
                     Vector2 p(x,y);
                     auto v = chunks.find(p);
                     if(v != chunks.end())
-                    *arr++ = v->first;
+                        orderedChunks.push_back(v->first);
                 }
             }
             break;
@@ -224,11 +244,14 @@ void TSE::TileMap::GetChunkPositionsInOrder(Vector2 *arr)
                     Vector2 p(x,y);
                     auto v = chunks.find(p);
                     if(v != chunks.end())
-                    *arr++ = v->first;
+                        orderedChunks.push_back(v->first);
                 }
             }
             break;
         }
+        dirty = false;
+    }
+    return &orderedChunks;
 }
 
 int TSE::TileMap::GetChunkCount()
@@ -279,3 +302,13 @@ TSE::Vector2 TSE::TileMap::ChunkToLocalPos(const Vector2 &v, const TileMapChunk
 {
     return v + chunk.pos * chunkSize;
 }
+
+TSE::Vector2 TSE::TileMap::RealPosToTileMapPos(const Vector2 &v)
+{
+    return v + nextLine * v.y;
+}
+
+TSE::Vector2 TSE::TileMap::TileMapToRealPos(const Vector2 &v)
+{
+    return v - nextLine * v.y;
+}

TSE_Core/src/BehaviourScripts/TileMap.hpp

@@ -5,6 +5,7 @@
 #include <unordered_map>
 #include "elements/BehaviourScript.hpp"
 #include "Vector2.hpp"
+#include "Vector2i.hpp"
 #include "elements/Sprite.hpp"
 #include "elements/TileSet.hpp"
 
@@ -21,19 +22,23 @@ namespace TSE
     struct TileMapChunk
     {
     private:
+        bool dirtyPositions = true;
+        bool dirtySpriteIds = true;
+        std::vector<Vector2> orderedPositions;
+        std::vector<Vector2i> orderedSpriteIDs;
         SortingOrder order;
         int chunksize;
-        std::unordered_map<Vector2, int> sprites;
+        std::unordered_map<Vector2, Vector2i> sprites;
     public:
         Vector2 nextLine;
         Vector2 pos;
         TileMapChunk(int _chunksize = 16, const Vector2& _pos = {0,0}, SortingOrder _order = TopRight);
 
-        void SetTile(const Vector2& p, const Vector2& Spriteindex, TileSet* set);
+        void SetTile(const Vector2& p, const Vector2& Spriteindex, const Vector2& Normalindex, TileSet* set);
         void RemoveTile(Vector2 p);
         void SetOrdering(SortingOrder _order);
-        void GetOrderedPositions(Vector2* array);
-        void GetOrderedSpriteIds(int* array);
+        const std::vector<Vector2>* GetOrderedPositions();
+        const std::vector<Vector2i>* GetOrderedSpriteIds();
         int GetChunksize();
         int GetSpriteCount();
 
@@ -42,6 +47,8 @@ namespace TSE
     class TileMap : public BehaviourScript
     {
     private:
+        bool dirty = true;
+        std::vector<Vector2> orderedChunks;
         Rect bounds = Rect(0,0,0,0);
         Vector2 nextLine = Vector2(-0.5f, 1.25f);
     public:
@@ -52,14 +59,16 @@ namespace TSE
         std::unordered_map<Vector2, TileMapChunk> chunks;
 
         void RemoveTile(Vector2 p);
-        void SetTile(Vector2 p, Vector2 Spriteindex);
+        void SetTile(Vector2 p, Vector2 Spriteindex, Vector2 Normalindex = {-1,-1});
         TileMapChunk* GetChunk(const Vector2& pos);
-        void GetChunkPositionsInOrder(Vector2* arr);
+        const std::vector<Vector2>* GetChunkPositionsInOrder();
         int GetChunkCount();
         TileSet* GetTileSet();
         const Rect& GetBounds() const { return bounds; }
         void SetNextLineOffset(const Vector2& offset);
         Vector2 GetNextLineOffset();
+        Vector2 RealPosToTileMapPos(const Vector2& v);
+        Vector2 TileMapToRealPos(const Vector2& v);
 
         inline const char* GetName() override
         {

TSE_Core/src/elements/Layer.cpp

@@ -1,6 +1,7 @@
 #include "Layer.hpp"
 #include "BehaviourScripts/Renderable.hpp"
 #include "elements/BehaviourScript.hpp"
+#include "IdGenerator.hpp"
 
 void HandleObject(TSE::Transformable* trans, TSE::TransformationStack& stack, TSE::IRenderer& rnd)
 {
@@ -24,6 +25,7 @@ void HandleObject(TSE::Transformable* trans, TSE::TransformationStack& stack, TS
 
 TSE::Layer::Layer(const string &n)
 {
+    ID = GenerateRandomUUID();
     name = n;
 }
 
@@ -94,3 +96,13 @@ void TSE::Layer::Update()
         trans->Update();
     }
 }
+
+void TSE::Layer::SetNonVisual(bool v)
+{
+    nonVisual = v;
+}
+
+bool TSE::Layer::IsVisual()
+{
+    return !nonVisual;
+}

TSE_Core/src/elements/Layer.hpp

@@ -4,14 +4,16 @@
 #include "Types.hpp"
 #include "interfaces/IRenderer.hpp"
 #include <vector>
+#include "interfaces/IIdentifyable.hpp"
 
 namespace TSE
 {
-    class Layer
+    class Layer : public IIdentifyable
     {
         private:
             string name;
             std::vector<Transformable*> objectsToRender;
+            bool nonVisual = false;
         
         public:
             Layer(const string& name);
@@ -27,5 +29,7 @@ namespace TSE
             void SetName(const string& name);
             std::vector<Transformable*>& GetAllObjects();
             void Update();
+            void SetNonVisual(bool v);
+            bool IsVisual();
     };
 } // namespace TSE

TSE_Core/src/elements/Material.cpp

@@ -60,6 +60,7 @@ namespace TSE
     }
 
     template void Material::SetValue<int>(const string&, const int&);
+    template void Material::SetValue<uint>(const string&, const uint&);
     template void Material::SetValue<float>(const string&, const float&);
     template void Material::SetValue<Vector2>(const string&, const Vector2&);
     template void Material::SetValue<Vector3>(const string&, const Vector3&);
@@ -70,6 +71,7 @@ namespace TSE
     template void Material::SetValue<ITexture>(const string&, const ITexture*);
 
     template int Material::GetValue<int>(const string&) const;
+    template uint Material::GetValue<uint>(const string&) const;
     template float Material::GetValue<float>(const string&) const;
     template Vector2 Material::GetValue<Vector2>(const string&) const;
     template Vector3 Material::GetValue<Vector3>(const string&) const;

TSE_Core/src/elements/Scene.cpp

@@ -1,10 +1,25 @@
 #include "Scene.hpp"
+#include "BehaviourScripts/Camera.hpp"
+#include <algorithm>
+#include "Debug.hpp"
 
 void TSE::Scene::Render(IRenderer &rnd, const IWindow &wnd)
 {
+    auto camerasBackup = std::vector<Camera*>(IRenderer::camerasToRenderWith);
     int counter = 1;
     for(auto l : layers)
     {
+        IRenderer::camerasToRenderWith.clear();
+        if(!l.second->IsVisual()) continue;
+        for(auto camera : camerasBackup)
+        {
+            auto it = std::find(camera->layersNotToRender.begin(), camera->layersNotToRender.end(), l.second->GetID());
+            if(it == camera->layersNotToRender.end())
+            {
+                IRenderer::camerasToRenderWith.push_back(camera);
+            }
+        }
+
         l.second->Render(rnd);
         if(counter++ != layers.size())
         {

TSE_Core/src/elements/Texture.cpp

@@ -2,6 +2,7 @@
 #include "Debug.hpp"
 #include "Color.hpp"
 #include "ErrorTextureData.hpp"
+#include <filesystem>
 
 TSE::Texture::Texture(const string &path)
 {
@@ -10,9 +11,20 @@ TSE::Texture::Texture(const string &path)
     imagePtr = nullptr;
     Size = Vector2(0,0);
 
-    fif = FreeImage_GetFileType(path.c_str(), 0);
+    string name = std::filesystem::absolute(path).string();
+
+    if(!std::filesystem::exists(name))
+    {
+        string msg = string("File dose not exist: ") + std::filesystem::absolute(path).string();
+        TSE_ERROR(msg);
+        Bpp = 24;
+        makeError(*this);
+        return;
+    }
+    
+    fif = FreeImage_GetFileType(name.c_str(), 0);
     if(fif == FREE_IMAGE_FORMAT::FIF_UNKNOWN)
-        fif = FreeImage_GetFIFFromFilename(path.c_str());
+        fif = FreeImage_GetFIFFromFilename(name.c_str());
     if(fif == FREE_IMAGE_FORMAT::FIF_UNKNOWN)
     {
         TSE_ERROR("Failed to load image. Unsupported Format.");

TSE_Core/src/elements/TileSet.cpp

@@ -1,5 +1,6 @@
 #include "TileSet.hpp"
 #include "Debug.hpp"
+#include "Types.hpp"
 
 #define PADDING 0.0f
 
@@ -45,7 +46,7 @@ int TSE::TileSet::GetSpriteIdAt(int x, int y)
     return y * resx + x;
 }
 
-uint TSE::TileSet::GetTextueID()
+TSE::uint TSE::TileSet::GetTextueID()
 {
     return tex->GetTextureId();
 }

TSE_Core/src/interfaces/IIdentifyable.hpp

@@ -0,0 +1,13 @@
+#pragma once
+#include "uuid.h"
+
+namespace TSE
+{
+    class IIdentifyable
+    {
+    protected:
+        uuids::uuid ID;
+    public:
+        inline const uuids::uuid& GetID() { return ID;};
+    };
+} // namespace TSE

TSE_Core/src/interfaces/IObservable.hpp

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "IObserver.hpp"
+#include <vector>
+#include <algorithm>
+
+namespace TSE
+{
+    class IObservable
+    {
+    private:
+        std::vector<IObserver*> objectsToNotify;
+
+    public:
+        inline void Observe(IObserver* observer)
+        {
+            objectsToNotify.push_back(observer);
+        };
+        inline void StopObserve(IObserver* observer)
+        {
+            auto it = std::find(objectsToNotify.begin(), objectsToNotify.end(), observer);
+            if(it != objectsToNotify.end())
+                objectsToNotify.erase(it);
+        };
+
+    protected:
+        inline void TriggerObserver(void* data)
+        {
+            for (auto &&observer : objectsToNotify)
+            {
+                observer->OnObserved(data);
+            }
+        };
+    };
+} // namespace TSE

TSE_Core/src/interfaces/IObserver.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+namespace TSE
+{
+    class IObserver
+    {
+    public:
+        virtual void OnObserved(void* data) = 0;
+    };
+} // namespace TSE

TSE_Core/src/interfaces/IRenderTexture.hpp

@@ -13,11 +13,12 @@ namespace TSE
     public:
         inline static IRenderTextureCreator* factory = nullptr;
         virtual void SetSize(Vector2 v) = 0;
+        virtual uint GetTextureId(uint id) const = 0;
     };
 
     class IRenderTextureCreator
     {
     public:
-        virtual IRenderTexture* CreateTextureHeap(Vector2 v) = 0;
+        virtual IRenderTexture* CreateTextureHeap(Vector2 v, uint textureCount = 1) = 0;
     };
 } // namespace TSE

TSE_Core/src/interfaces/IWindow.cpp

@@ -5,6 +5,10 @@
 #include "version.h"
 #include "IInputManager.hpp"
 #include "elements/AudioEngine.hpp"
+#include "IdGenerator.hpp"
+
+#define FREEIMAGE_LIB
+#include "FI/FreeImage.h"
 
 TSE::IWindow* TSE::IWindow::lastWindow = nullptr;
 
@@ -14,6 +18,7 @@ bool TSE::IWindow::BaseInit() const
     Debug::Init();
     Debug::Log("TSE:" + TSE_VERSION_STRING);
     AudioEngine::Init();
+    FreeImage_Initialise(true);
     return true;
 }
 
@@ -29,6 +34,7 @@ TSE::Vector2 TSE::IWindow::GetSize() const
 
 TSE::IWindow::~IWindow()
 {
+    FreeImage_DeInitialise();
     AudioEngine::Destroy();
     IInputManager::instance()->Delete();
     Time::Destroy();

TSE_Core/src/interfaces/IWindow.hpp

@@ -18,6 +18,7 @@ namespace TSE
         virtual void Clear() const = 0;
         virtual void ClearDepthBuffer() const = 0;
         virtual bool ShouldClose() const = 0;
+        virtual void DoneSetup() = 0;
 
         bool BaseInit() const;
         void BaseUpdate() const;

TSE_Editor/src/EditorSubsystem.cpp

@@ -7,7 +7,7 @@
 
 TSE::EDITOR::EditorSubsystem::EditorSubsystem() : sv(nullptr), editorLayer("")
 {
-    rt = IRenderTexture::factory->CreateTextureHeap({100,100});
+    rt = IRenderTexture::factory->CreateTextureHeap({100,100}, 2);
     sv = SceneView(rt);
 
     controller.AddGuiElement("Scene", &sv);
@@ -40,6 +40,7 @@ TSE::EDITOR::EditorSubsystem::EditorSubsystem() : sv(nullptr), editorLayer("")
 
     editorLayer = Layer(".editor");
     editorLayer.AddTransformable(editorCamera);
+    editorLayer.SetNonVisual(true);
 
     #pragma endregion
 }

TSE_Editor/src/UI/ElementDrawer.cpp

@@ -439,6 +439,14 @@ namespace TSE::EDITOR
                     Texture* value = element->GetValue<Texture*>(name);
                     Draw(value, debug, name , true);
                 }
+                if (type == typeid(uint).name())
+                {
+                    int value = element->GetValue<uint>(name);
+                    if(ImGui::InputInt(name.c_str(), &value))
+                    {
+                        element->SetValue(name, value);
+                    }
+                }
                 else
                 {
                     ImGui::TextDisabled(("Not Implemented: " + type).c_str());

TSE_Editor/src/UI/windows/CameraView.cpp

@@ -19,7 +19,7 @@ void TSE::EDITOR::CameraView::Define()
     ImGuiWindowFlags flags2 = ImGuiWindowFlags_NoScrollWithMouse | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoScrollbar;
     if(ImGui::BeginChild("##CameraChild", {0,0}, ImGuiChildFlags_None, flags2))
     {
-        ImGui::Image(fb->GetTextureId(), {fb->Width(), fb->Height()},{0,1}, {1,0});
+        ImGui::Image(fb->GetTextureId(0), {fb->Width(), fb->Height()},{0,1}, {1,0});
         auto vec2 = ImGui::GetWindowSize();
         if(fb->Width() != vec2.x || fb->Height() != vec2.y)
         {

TSE_Editor/src/UI/windows/SceneView.cpp

@@ -5,25 +5,37 @@ TSE::EDITOR::SceneView::SceneView(TSE::IRenderTexture *frameBuffer) : GuiWindow(
     fb = frameBuffer;
 }
 
+int selected = 0;
+
 void TSE::EDITOR::SceneView::Define()
 {
     ImGuiWindowFlags flags2 = ImGuiWindowFlags_NoScrollWithMouse | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoScrollbar;
     if(ImGui::BeginChild("##SceneChild", {0,0}, ImGuiChildFlags_None, flags2))
     {
-        ImGui::Image(fb->GetTextureId(), {fb->Width(), fb->Height()},{0,1}, {1,0});
+        ImGui::Image(fb->GetTextureId(selected), {fb->Width(), fb->Height()},{0,1}, {1,0});
         auto vec2 = ImGui::GetWindowSize();
         if(fb->Width() != vec2.x || fb->Height() != vec2.y)
         {
             fb->SetSize({vec2.x, vec2.y});
         }
-        if(ImGui::IsWindowFocused())
-        {
-            IsHovered = true;
-        }
-        else
-        {
-            IsHovered = false;
-        }
+
+
+        static const char* items[] = {
+            "0","1","2","3","4","5","6","7","8","9","10","11","12","13","14","15",
+            "16","17","18","19","20","21","22","23","24","25","26","27","28","29","30","31"
+        };
+
+        ImGui::SetCursorPos(ImVec2(6.0f, 6.0f));
+
+        ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0,0,0,0.6f));
+        ImGui::PushStyleColor(ImGuiCol_PopupBg, ImVec4(0,0,0,0.9f));
+
+        ImGui::SetNextItemWidth(80.0f);
+        ImGui::Combo("##SceneDropdown", &selected, items, IM_ARRAYSIZE(items));
+
+        ImGui::PopStyleColor(2);
+
+        IsHovered = ImGui::IsWindowFocused();
     }
     ImGui::EndChild();
 }

TSE_GlfwImpl/src/WindowGlfw.cpp

@@ -149,3 +149,13 @@ bool TSE::GLFW::WindowGlfw::ShouldClose() const
 {
     return glfwWindowShouldClose(window);
 }
+
+void TSE::GLFW::WindowGlfw::DoneSetup()
+{
+    renderingBackend->onResize(width, height);
+
+    for (auto const& i : objectsToResize)
+    {
+        i->OnResize(width, height, this);
+    }
+}

TSE_GlfwImpl/src/WindowGlfw.hpp

@@ -36,5 +36,6 @@ namespace TSE::GLFW
         bool ShouldClose() const override;
         inline void Bind() override { };
         inline void Unbind() override { };
+        void DoneSetup() override;
     };
 } // namespace TSE::GLFW

TSE_GlfwOpenGlImpl/src/DefaultRendererOpenGL.cpp

@@ -1,6 +1,7 @@
 #include "DefaultRendererOpenGL.hpp"
 #include "BehaviourScripts/Camera.hpp"
 #include "BehaviourScripts/Renderable.hpp"
+#include "Debug.hpp"
 
 #define RENDERER_MAX_SPRITES 20000
 #define RENDERER_MAX_INDECIES 60000
@@ -78,6 +79,8 @@ void TSE::GLFW::DefaultRendererOpenGL::Flush()
         camerasToRenderWith[i]->PostDraw();
     }
 
+    lastShader->PostDraw();
+    
     if(ibobound)
     {
         ibo->Unbind();

TSE_GlfwOpenGlImpl/src/RenderTexture.cpp

@@ -1,6 +1,6 @@
 #include "RenderTexture.hpp"
 
-TSE::GLFW::RenderTexture::RenderTexture(Vector2 v) : buffer(v)
+TSE::GLFW::RenderTexture::RenderTexture(Vector2 v, uint textureCount) : buffer(v, textureCount)
 {
     buffer.AddResizeNotifiable(this);
 }
@@ -30,6 +30,11 @@ TSE::uint TSE::GLFW::RenderTexture::GetTextureId() const
     return buffer.GetTextureId();
 }
 
+TSE::uint TSE::GLFW::RenderTexture::GetTextureId(uint id) const
+{
+    return buffer.GetTextureId(id);
+}
+
 void TSE::GLFW::RenderTexture::Update()
 {
     buffer.Update();

TSE_GlfwOpenGlImpl/src/RenderTexture.hpp

@@ -13,13 +13,14 @@ namespace TSE::GLFW
     public:
         FrameBuffer buffer;
 
-        RenderTexture(Vector2 v);
+        RenderTexture(Vector2 v, uint textureCount = 1);
 
         Vector2 size() const override;
         void SetSize(Vector2 v) override;
         float Width() const override;
         float Height() const override;
         uint GetTextureId() const override;
+        uint GetTextureId(uint id) const override;
 
         void Update() override;
         void Bind() override;

TSE_GlfwOpenGlImpl/src/RenderTextureCreatorOpenGL.hpp

@@ -8,9 +8,9 @@ namespace TSE::GLFW
     class RenderTextureCreatorOpenGL : public IRenderTextureCreator
     {
     public:
-        inline IRenderTexture* CreateTextureHeap(Vector2 v) override
+        inline IRenderTexture* CreateTextureHeap(Vector2 v, uint textureCount = 1) override
         {
-            return new RenderTexture(v);
+            return new RenderTexture(v, textureCount);
         };
     };
 } // namespace name

TSE_GlfwOpenGlImpl/src/buffer/FrameBuffer.cpp

@@ -1,8 +1,9 @@
 #include "FrameBuffer.hpp"
 #include "Debug.hpp"
 
-TSE::GLFW::FrameBuffer::FrameBuffer(const Vector2 &size)
+TSE::GLFW::FrameBuffer::FrameBuffer(const Vector2 &size, uint textureCount)
 {
+    textureOutputCount = textureCount;
     width = size.x;
     height = size.y;
     CreateFBTexture();
@@ -26,7 +27,10 @@ void TSE::GLFW::FrameBuffer::Unbind()
 TSE::GLFW::FrameBuffer::~FrameBuffer()
 {
     glDeleteFramebuffers(1,&bufferID);
-    glDeleteTextures(1, &textureID);
+    for (int i = 0; i < textureOutputCount; i++)
+    {
+        glDeleteTextures(1, &(textureIDs[i]));
+    }
     glDeleteRenderbuffers(1, &depthRboID);
 }
 
@@ -48,9 +52,9 @@ void TSE::GLFW::FrameBuffer::Update()
     }
 }
 
-TSE::uint TSE::GLFW::FrameBuffer::GetTextureId() const
+TSE::uint TSE::GLFW::FrameBuffer::GetTextureId(uint id) const
 {
-    return textureID;
+    return textureIDs[id];
 }
 
 TSE::Vector2 TSE::GLFW::FrameBuffer::GetSize() const
@@ -62,9 +66,17 @@ void TSE::GLFW::FrameBuffer::Initialize()
 {
     glGenFramebuffers(1, &bufferID);
     Bind();
-    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, textureID, 0);
+    uint bufs[32];
+    for (int i = 0; i < textureOutputCount; i++)
+    {
+        glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i, GL_TEXTURE_2D, textureIDs[i], 0);
+        bufs[i] = GL_COLOR_ATTACHMENT0 + i;
+    }
     glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthRboID);
     
+    if(textureOutputCount > 1)
+        glDrawBuffers(textureOutputCount, bufs);
+
     if(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
     {
         TSE_ERROR("Failed to create OpenGL FBO.");
@@ -75,24 +87,32 @@ void TSE::GLFW::FrameBuffer::Initialize()
 
 void TSE::GLFW::FrameBuffer::LoadFBTexture()
 {
-    glBindTexture(GL_TEXTURE_2D, textureID);
+    for (int i = 0; i < textureOutputCount; i++)
+    {
+        glBindTexture(GL_TEXTURE_2D, textureIDs[i]);
         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
 
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
 
         glBindRenderbuffer(GL_RENDERBUFFER, depthRboID);
         glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, width, height);
+    }
 }
 
 void TSE::GLFW::FrameBuffer::CreateFBTexture()
 {
     glViewport(0,0, width, height);
     //resize
-    if(textureID == 0)
-        glGenTextures(1, &textureID);
+    for (int i = 0; i < textureOutputCount; i++)
+    {
+        if(textureIDs[i] == 0)
+            glGenTextures(1, &(textureIDs[i]));
+    }
     if(depthRboID == 0)
         glGenRenderbuffers(1, &depthRboID);
     LoadFBTexture();

TSE_GlfwOpenGlImpl/src/buffer/FrameBuffer.hpp

@@ -9,18 +9,19 @@ namespace TSE::GLFW
     class FrameBuffer : public buffer, public IResizable
     {
     private:
-        uint textureID = 0;
+        uint textureOutputCount = 1;
+        uint textureIDs[32] = {0};
         uint depthRboID = 0;
         bool shouldResize = false;
 
     public:
-        FrameBuffer(const Vector2& size);
+        FrameBuffer(const Vector2& size, uint textureCount = 1);
         void Bind() override;
         void Unbind() override;
         ~FrameBuffer() override;
         void Resize(Vector2 size);
         void Update();
-        uint GetTextureId() const;
+        uint GetTextureId(uint id = 0) const;
         Vector2 GetSize() const;
 
     private:

TSE_GlfwOpenGlImpl/src/shader/Shader.cpp

@@ -39,6 +39,11 @@ void TSE::GLFW::Shader::DrawCall(int indexCount)
     OnDrawCall(indexCount);
 }
 
+void TSE::GLFW::Shader::PostDraw()
+{
+    OnPostDraw();
+}
+
 void TSE::GLFW::Shader::Submit(const Transformable &t, float *&target, TransformationStack &stack, void (*restartDrawcall)(IRenderer &), IRenderer &rnd)
 {
     OnSubmit(t, target, stack, restartDrawcall, rnd);

TSE_GlfwOpenGlImpl/src/shader/Shader.hpp

@@ -24,6 +24,7 @@ namespace TSE::GLFW
         virtual void OnDisable() const {};
         virtual void OnFlush() {};
         virtual void OnDrawCall(int indexCount) {};
+        virtual void OnPostDraw() {};
         virtual void OnSubmit(const Transformable& t, float*& target, TransformationStack& stack, void (*restartDrawcall)(IRenderer&), IRenderer& rnd) {};
 
     public:
@@ -33,6 +34,7 @@ namespace TSE::GLFW
         void Disable(bool notify = false) const;
         void Flush();
         void DrawCall(int indexCount);
+        void PostDraw();
         void Submit(const Transformable& t, float*& target, TransformationStack& stack, void (*restartDrawcall)(IRenderer&), IRenderer& rnd);
         bool IsEnabled() const;
         int packageSize();

TSE_GlfwOpenGlImpl/src/shader/basicTileMapShader.cpp

@@ -171,9 +171,7 @@ void TSE::GLFW::BasicTileMapShader::OnSubmit(const Transformable &t, float *&tar
     SpriteCount = tileSet->GetCount();
     SpriteScale = tm->SpriteScale;
 
-    int chunkcount = tm->GetChunkCount();
-    Vector2 orderedChunks[chunkcount];
-    tm->GetChunkPositionsInOrder(orderedChunks);
+    const std::vector<Vector2> orderedChunks = *tm->GetChunkPositionsInOrder();
 
     Matrix4x4 matr = t.GetLocalMatrix();
 
@@ -182,11 +180,9 @@ void TSE::GLFW::BasicTileMapShader::OnSubmit(const Transformable &t, float *&tar
     for(auto chunkPos : orderedChunks)
     {
         auto chunk = tm->GetChunk(chunkPos);
-        int spriteCount = chunk->GetSpriteCount();
-        Vector2 spritePositions[spriteCount];
-        int spriteIds[spriteCount];
-        chunk->GetOrderedPositions(spritePositions);
-        chunk->GetOrderedSpriteIds(spriteIds);
+        const int spriteCount = chunk->GetSpriteCount();
+        const std::vector<Vector2> spritePositions = *chunk->GetOrderedPositions();
+        const std::vector<Vector2i> spriteIds = *chunk->GetOrderedSpriteIds();
         int chunkSize = chunk->GetChunksize();
 
         for (int i = 0; i < spriteCount; i++)
@@ -198,7 +194,7 @@ void TSE::GLFW::BasicTileMapShader::OnSubmit(const Transformable &t, float *&tar
             *target++ = pos.x;
             *target++ = pos.y;
             *target++ = pos.z;
-            *target++ = spriteIds[i];
+            *target++ = spriteIds[i].x;
 
             ++instanceCount;
             stack.Pop();
@@ -208,5 +204,6 @@ void TSE::GLFW::BasicTileMapShader::OnSubmit(const Transformable &t, float *&tar
         }
     }
 
+    stack.Pop();
     restartDrawcall(rnd);
 }

TSE_Math/src/PerlinNoise.hpp

@@ -0,0 +1,659 @@
+//----------------------------------------------------------------------------------------
+//
+//	siv::PerlinNoise
+//	Perlin noise library for modern C++
+//
+//	Copyright (C) 2013-2021 Ryo Suzuki <reputeless@gmail.com>
+//
+//	Permission is hereby granted, free of charge, to any person obtaining a copy
+//	of this software and associated documentation files(the "Software"), to deal
+//	in the Software without restriction, including without limitation the rights
+//	to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+//	copies of the Software, and to permit persons to whom the Software is
+//	furnished to do so, subject to the following conditions :
+//	
+//	The above copyright notice and this permission notice shall be included in
+//	all copies or substantial portions of the Software.
+//	
+//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
+//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//	THE SOFTWARE.
+//
+//----------------------------------------------------------------------------------------
+
+# pragma once
+# include <cstdint>
+# include <algorithm>
+# include <array>
+# include <iterator>
+# include <numeric>
+# include <random>
+# include <type_traits>
+
+# if __has_include(<concepts>) && defined(__cpp_concepts)
+#	include <concepts>
+# endif
+
+
+// Library major version
+# define SIVPERLIN_VERSION_MAJOR			3
+
+// Library minor version
+# define SIVPERLIN_VERSION_MINOR			0
+
+// Library revision version
+# define SIVPERLIN_VERSION_REVISION			0
+
+// Library version
+# define SIVPERLIN_VERSION			((SIVPERLIN_VERSION_MAJOR * 100 * 100) + (SIVPERLIN_VERSION_MINOR * 100) + (SIVPERLIN_VERSION_REVISION))
+
+
+// [[nodiscard]] for constructors
+# if (201907L <= __has_cpp_attribute(nodiscard))
+#	define SIVPERLIN_NODISCARD_CXX20 [[nodiscard]]
+# else
+#	define SIVPERLIN_NODISCARD_CXX20
+# endif
+
+
+// std::uniform_random_bit_generator concept
+# if __cpp_lib_concepts
+#	define SIVPERLIN_CONCEPT_URBG  template <std::uniform_random_bit_generator URBG>
+#	define SIVPERLIN_CONCEPT_URBG_ template <std::uniform_random_bit_generator URBG>
+# else
+#	define SIVPERLIN_CONCEPT_URBG  template <class URBG, std::enable_if_t<std::conjunction_v<std::is_invocable<URBG&>, std::is_unsigned<std::invoke_result_t<URBG&>>>>* = nullptr>
+#	define SIVPERLIN_CONCEPT_URBG_ template <class URBG, std::enable_if_t<std::conjunction_v<std::is_invocable<URBG&>, std::is_unsigned<std::invoke_result_t<URBG&>>>>*>
+# endif
+
+
+// arbitrary value for increasing entropy
+# ifndef SIVPERLIN_DEFAULT_Y
+#	define SIVPERLIN_DEFAULT_Y (0.12345)
+# endif
+
+// arbitrary value for increasing entropy
+# ifndef SIVPERLIN_DEFAULT_Z
+#	define SIVPERLIN_DEFAULT_Z (0.34567)
+# endif
+
+
+namespace siv
+{
+	template <class Float>
+	class BasicPerlinNoise
+	{
+	public:
+
+		static_assert(std::is_floating_point_v<Float>);
+
+		///////////////////////////////////////
+		//
+		//	Typedefs
+		//
+
+		using state_type = std::array<std::uint8_t, 256>;
+
+		using value_type = Float;
+
+		using default_random_engine = std::mt19937;
+
+		using seed_type = typename default_random_engine::result_type;
+
+		///////////////////////////////////////
+		//
+		//	Constructors
+		//
+
+		SIVPERLIN_NODISCARD_CXX20
+		constexpr BasicPerlinNoise() noexcept;
+
+		SIVPERLIN_NODISCARD_CXX20
+		explicit BasicPerlinNoise(seed_type seed);
+
+		SIVPERLIN_CONCEPT_URBG
+		SIVPERLIN_NODISCARD_CXX20
+		explicit BasicPerlinNoise(URBG&& urbg);
+
+		///////////////////////////////////////
+		//
+		//	Reseed
+		//
+
+		void reseed(seed_type seed);
+
+		SIVPERLIN_CONCEPT_URBG
+		void reseed(URBG&& urbg);
+
+		///////////////////////////////////////
+		//
+		//	Serialization
+		//
+
+		[[nodiscard]]
+		constexpr const state_type& serialize() const noexcept;
+
+		constexpr void deserialize(const state_type& state) noexcept;
+
+		///////////////////////////////////////
+		//
+		//	Noise (The result is in the range [-1, 1])
+		//
+
+		[[nodiscard]]
+		value_type noise1D(value_type x) const noexcept;
+
+		[[nodiscard]]
+		value_type noise2D(value_type x, value_type y) const noexcept;
+
+		[[nodiscard]]
+		value_type noise3D(value_type x, value_type y, value_type z) const noexcept;
+
+		///////////////////////////////////////
+		//
+		//	Noise (The result is remapped to the range [0, 1])
+		//
+
+		[[nodiscard]]
+		value_type noise1D_01(value_type x) const noexcept;
+
+		[[nodiscard]]
+		value_type noise2D_01(value_type x, value_type y) const noexcept;
+
+		[[nodiscard]]
+		value_type noise3D_01(value_type x, value_type y, value_type z) const noexcept;
+
+		///////////////////////////////////////
+		//
+		//	Octave noise (The result can be out of the range [-1, 1])
+		//
+
+		[[nodiscard]]
+		value_type octave1D(value_type x, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		[[nodiscard]]
+		value_type octave2D(value_type x, value_type y, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		[[nodiscard]]
+		value_type octave3D(value_type x, value_type y, value_type z, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		///////////////////////////////////////
+		//
+		//	Octave noise (The result is clamped to the range [-1, 1])
+		//
+
+		[[nodiscard]]
+		value_type octave1D_11(value_type x, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		[[nodiscard]]
+		value_type octave2D_11(value_type x, value_type y, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		[[nodiscard]]
+		value_type octave3D_11(value_type x, value_type y, value_type z, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		///////////////////////////////////////
+		//
+		//	Octave noise (The result is clamped and remapped to the range [0, 1])
+		//
+
+		[[nodiscard]]
+		value_type octave1D_01(value_type x, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		[[nodiscard]]
+		value_type octave2D_01(value_type x, value_type y, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		[[nodiscard]]
+		value_type octave3D_01(value_type x, value_type y, value_type z, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		///////////////////////////////////////
+		//
+		//	Octave noise (The result is normalized to the range [-1, 1])
+		//
+
+		[[nodiscard]]
+		value_type normalizedOctave1D(value_type x, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		[[nodiscard]]
+		value_type normalizedOctave2D(value_type x, value_type y, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		[[nodiscard]]
+		value_type normalizedOctave3D(value_type x, value_type y, value_type z, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		///////////////////////////////////////
+		//
+		//	Octave noise (The result is normalized and remapped to the range [0, 1])
+		//
+
+		[[nodiscard]]
+		value_type normalizedOctave1D_01(value_type x, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		[[nodiscard]]
+		value_type normalizedOctave2D_01(value_type x, value_type y, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+		[[nodiscard]]
+		value_type normalizedOctave3D_01(value_type x, value_type y, value_type z, std::int32_t octaves, value_type persistence = value_type(0.5)) const noexcept;
+
+	private:
+
+		state_type m_permutation;
+	};
+
+	using PerlinNoise = BasicPerlinNoise<double>;
+
+	namespace perlin_detail
+	{
+		////////////////////////////////////////////////
+		//
+		//	These functions are provided for consistency.
+		//	You may get different results from std::shuffle() with different standard library implementations.
+		//
+		SIVPERLIN_CONCEPT_URBG
+		[[nodiscard]]
+		inline std::uint64_t Random(const std::uint64_t max, URBG&& urbg)
+		{
+			return (urbg() % (max + 1));
+		}
+
+		template <class RandomIt, class URBG>
+		inline void Shuffle(RandomIt first, RandomIt last, URBG&& urbg)
+		{
+			if (first == last)
+			{
+				return;
+			}
+
+			using difference_type = typename std::iterator_traits<RandomIt>::difference_type;
+
+			for (RandomIt it = first + 1; it < last; ++it)
+			{
+				const std::uint64_t n = static_cast<std::uint64_t>(it - first);
+				std::iter_swap(it, first + static_cast<difference_type>(Random(n, std::forward<URBG>(urbg))));
+			}
+		}
+		//
+		////////////////////////////////////////////////
+
+		template <class Float>
+		[[nodiscard]]
+		inline constexpr Float Fade(const Float t) noexcept
+		{
+			return t * t * t * (t * (t * 6 - 15) + 10);
+		}
+
+		template <class Float>
+		[[nodiscard]]
+		inline constexpr Float Lerp(const Float a, const Float b, const Float t) noexcept
+		{
+			return (a + (b - a) * t);
+		}
+
+		template <class Float>
+		[[nodiscard]]
+		inline constexpr Float Grad(const std::uint8_t hash, const Float x, const Float y, const Float z) noexcept
+		{
+			const std::uint8_t h = hash & 15;
+			const Float u = h < 8 ? x : y;
+			const Float v = h < 4 ? y : h == 12 || h == 14 ? x : z;
+			return ((h & 1) == 0 ? u : -u) + ((h & 2) == 0 ? v : -v);
+		}
+
+		template <class Float>
+		[[nodiscard]]
+		inline constexpr Float Remap_01(const Float x) noexcept
+		{
+			return (x * Float(0.5) + Float(0.5));
+		}
+
+		template <class Float>
+		[[nodiscard]]
+		inline constexpr Float Clamp_11(const Float x) noexcept
+		{
+			return std::clamp(x, Float(-1.0), Float(1.0));
+		}
+
+		template <class Float>
+		[[nodiscard]]
+		inline constexpr Float RemapClamp_01(const Float x) noexcept
+		{
+			if (x <= Float(-1.0))
+			{
+				return Float(0.0);
+			}
+			else if (Float(1.0) <= x)
+			{
+				return Float(1.0);
+			}
+
+			return (x * Float(0.5) + Float(0.5));
+		}
+
+		template <class Noise, class Float>
+		[[nodiscard]]
+		inline auto Octave1D(const Noise& noise, Float x, const std::int32_t octaves, const Float persistence) noexcept
+		{
+			using value_type = Float;
+			value_type result = 0;
+			value_type amplitude = 1;
+
+			for (std::int32_t i = 0; i < octaves; ++i)
+			{
+				result += (noise.noise1D(x) * amplitude);
+				x *= 2;
+				amplitude *= persistence;
+			}
+
+			return result;
+		}
+
+		template <class Noise, class Float>
+		[[nodiscard]]
+		inline auto Octave2D(const Noise& noise, Float x, Float y, const std::int32_t octaves, const Float persistence) noexcept
+		{
+			using value_type = Float;
+			value_type result = 0;
+			value_type amplitude = 1;
+
+			for (std::int32_t i = 0; i < octaves; ++i)
+			{
+				result += (noise.noise2D(x, y) * amplitude);
+				x *= 2;
+				y *= 2;
+				amplitude *= persistence;
+			}
+
+			return result;
+		}
+
+		template <class Noise, class Float>
+		[[nodiscard]]
+		inline auto Octave3D(const Noise& noise, Float x, Float y, Float z, const std::int32_t octaves, const Float persistence) noexcept
+		{
+			using value_type = Float;
+			value_type result = 0;
+			value_type amplitude = 1;
+
+			for (std::int32_t i = 0; i < octaves; ++i)
+			{
+				result += (noise.noise3D(x, y, z) * amplitude);
+				x *= 2;
+				y *= 2;
+				z *= 2;
+				amplitude *= persistence;
+			}
+
+			return result;
+		}
+
+		template <class Float>
+		[[nodiscard]]
+		inline constexpr Float MaxAmplitude(const std::int32_t octaves, const Float persistence) noexcept
+		{
+			using value_type = Float;
+			value_type result = 0;
+			value_type amplitude = 1;
+
+			for (std::int32_t i = 0; i < octaves; ++i)
+			{
+				result += amplitude;
+				amplitude *= persistence;
+			}
+
+			return result;
+		}
+	}
+
+	///////////////////////////////////////
+
+	template <class Float>
+	inline constexpr BasicPerlinNoise<Float>::BasicPerlinNoise() noexcept
+		: m_permutation{ 151,160,137,91,90,15,
+				131,13,201,95,96,53,194,233,7,225,140,36,103,30,69,142,8,99,37,240,21,10,23,
+				190, 6,148,247,120,234,75,0,26,197,62,94,252,219,203,117,35,11,32,57,177,33,
+				88,237,149,56,87,174,20,125,136,171,168, 68,175,74,165,71,134,139,48,27,166,
+				77,146,158,231,83,111,229,122,60,211,133,230,220,105,92,41,55,46,245,40,244,
+				102,143,54, 65,25,63,161, 1,216,80,73,209,76,132,187,208, 89,18,169,200,196,
+				135,130,116,188,159,86,164,100,109,198,173,186, 3,64,52,217,226,250,124,123,
+				5,202,38,147,118,126,255,82,85,212,207,206,59,227,47,16,58,17,182,189,28,42,
+				223,183,170,213,119,248,152, 2,44,154,163, 70,221,153,101,155,167, 43,172,9,
+				129,22,39,253, 19,98,108,110,79,113,224,232,178,185, 112,104,218,246,97,228,
+				251,34,242,193,238,210,144,12,191,179,162,241, 81,51,145,235,249,14,239,107,
+				49,192,214, 31,181,199,106,157,184, 84,204,176,115,121,50,45,127, 4,150,254,
+				138,236,205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180 } {}
+
+	template <class Float>
+	inline BasicPerlinNoise<Float>::BasicPerlinNoise(const seed_type seed)
+	{
+		reseed(seed);
+	}
+
+	template <class Float>
+	SIVPERLIN_CONCEPT_URBG_
+	inline BasicPerlinNoise<Float>::BasicPerlinNoise(URBG&& urbg)
+	{
+		reseed(std::forward<URBG>(urbg));
+	}
+
+	///////////////////////////////////////
+
+	template <class Float>
+	inline void BasicPerlinNoise<Float>::reseed(const seed_type seed)
+	{
+		reseed(default_random_engine{ seed });
+	}
+
+	template <class Float>
+	SIVPERLIN_CONCEPT_URBG_
+	inline void BasicPerlinNoise<Float>::reseed(URBG&& urbg)
+	{
+		std::iota(m_permutation.begin(), m_permutation.end(), uint8_t{ 0 });
+
+		perlin_detail::Shuffle(m_permutation.begin(), m_permutation.end(), std::forward<URBG>(urbg));
+	}
+
+	///////////////////////////////////////
+
+	template <class Float>
+	inline constexpr const typename BasicPerlinNoise<Float>::state_type& BasicPerlinNoise<Float>::serialize() const noexcept
+	{
+		return m_permutation;
+	}
+
+	template <class Float>
+	inline constexpr void BasicPerlinNoise<Float>::deserialize(const state_type& state) noexcept
+	{
+		m_permutation = state;
+	}
+
+	///////////////////////////////////////
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::noise1D(const value_type x) const noexcept
+	{
+		return noise3D(x,
+			static_cast<value_type>(SIVPERLIN_DEFAULT_Y),
+			static_cast<value_type>(SIVPERLIN_DEFAULT_Z));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::noise2D(const value_type x, const value_type y) const noexcept
+	{
+		return noise3D(x,
+			y,
+			static_cast<value_type>(SIVPERLIN_DEFAULT_Z));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::noise3D(const value_type x, const value_type y, const value_type z) const noexcept
+	{
+		const value_type _x = std::floor(x);
+		const value_type _y = std::floor(y);
+		const value_type _z = std::floor(z);
+
+		const std::int32_t ix = static_cast<std::int32_t>(_x) & 255;
+		const std::int32_t iy = static_cast<std::int32_t>(_y) & 255;
+		const std::int32_t iz = static_cast<std::int32_t>(_z) & 255;
+
+		const value_type fx = (x - _x);
+		const value_type fy = (y - _y);
+		const value_type fz = (z - _z);
+
+		const value_type u = perlin_detail::Fade(fx);
+		const value_type v = perlin_detail::Fade(fy);
+		const value_type w = perlin_detail::Fade(fz);
+
+		const std::uint8_t A = (m_permutation[ix & 255] + iy) & 255;
+		const std::uint8_t B = (m_permutation[(ix + 1) & 255] + iy) & 255;
+
+		const std::uint8_t AA = (m_permutation[A] + iz) & 255;
+		const std::uint8_t AB = (m_permutation[(A + 1) & 255] + iz) & 255;
+
+		const std::uint8_t BA = (m_permutation[B] + iz) & 255;
+		const std::uint8_t BB = (m_permutation[(B + 1) & 255] + iz) & 255;
+
+		const value_type p0 = perlin_detail::Grad(m_permutation[AA], fx, fy, fz);
+		const value_type p1 = perlin_detail::Grad(m_permutation[BA], fx - 1, fy, fz);
+		const value_type p2 = perlin_detail::Grad(m_permutation[AB], fx, fy - 1, fz);
+		const value_type p3 = perlin_detail::Grad(m_permutation[BB], fx - 1, fy - 1, fz);
+		const value_type p4 = perlin_detail::Grad(m_permutation[(AA + 1) & 255], fx, fy, fz - 1);
+		const value_type p5 = perlin_detail::Grad(m_permutation[(BA + 1) & 255], fx - 1, fy, fz - 1);
+		const value_type p6 = perlin_detail::Grad(m_permutation[(AB + 1) & 255], fx, fy - 1, fz - 1);
+		const value_type p7 = perlin_detail::Grad(m_permutation[(BB + 1) & 255], fx - 1, fy - 1, fz - 1);
+
+		const value_type q0 = perlin_detail::Lerp(p0, p1, u);
+		const value_type q1 = perlin_detail::Lerp(p2, p3, u);
+		const value_type q2 = perlin_detail::Lerp(p4, p5, u);
+		const value_type q3 = perlin_detail::Lerp(p6, p7, u);
+
+		const value_type r0 = perlin_detail::Lerp(q0, q1, v);
+		const value_type r1 = perlin_detail::Lerp(q2, q3, v);
+
+		return perlin_detail::Lerp(r0, r1, w);
+	}
+
+	///////////////////////////////////////
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::noise1D_01(const value_type x) const noexcept
+	{
+		return perlin_detail::Remap_01(noise1D(x));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::noise2D_01(const value_type x, const value_type y) const noexcept
+	{
+		return perlin_detail::Remap_01(noise2D(x, y));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::noise3D_01(const value_type x, const value_type y, const value_type z) const noexcept
+	{
+		return perlin_detail::Remap_01(noise3D(x, y, z));
+	}
+
+	///////////////////////////////////////
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::octave1D(const value_type x, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::Octave1D(*this, x, octaves, persistence);
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::octave2D(const value_type x, const value_type y, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::Octave2D(*this, x, y, octaves, persistence);
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::octave3D(const value_type x, const value_type y, const value_type z, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::Octave3D(*this, x, y, z, octaves, persistence);
+	}
+
+	///////////////////////////////////////
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::octave1D_11(const value_type x, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::Clamp_11(octave1D(x, octaves, persistence));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::octave2D_11(const value_type x, const value_type y, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::Clamp_11(octave2D(x, y, octaves, persistence));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::octave3D_11(const value_type x, const value_type y, const value_type z, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::Clamp_11(octave3D(x, y, z, octaves, persistence));
+	}
+
+	///////////////////////////////////////
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::octave1D_01(const value_type x, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::RemapClamp_01(octave1D(x, octaves, persistence));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::octave2D_01(const value_type x, const value_type y, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::RemapClamp_01(octave2D(x, y, octaves, persistence));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::octave3D_01(const value_type x, const value_type y, const value_type z, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::RemapClamp_01(octave3D(x, y, z, octaves, persistence));
+	}
+
+	///////////////////////////////////////
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::normalizedOctave1D(const value_type x, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return (octave1D(x, octaves, persistence) / perlin_detail::MaxAmplitude(octaves, persistence));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::normalizedOctave2D(const value_type x, const value_type y, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return (octave2D(x, y, octaves, persistence) / perlin_detail::MaxAmplitude(octaves, persistence));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::normalizedOctave3D(const value_type x, const value_type y, const value_type z, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return (octave3D(x, y, z, octaves, persistence) / perlin_detail::MaxAmplitude(octaves, persistence));
+	}
+
+	///////////////////////////////////////
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::normalizedOctave1D_01(const value_type x, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::Remap_01(normalizedOctave1D(x, octaves, persistence));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::normalizedOctave2D_01(const value_type x, const value_type y, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::Remap_01(normalizedOctave2D(x, y, octaves, persistence));
+	}
+
+	template <class Float>
+	inline typename BasicPerlinNoise<Float>::value_type BasicPerlinNoise<Float>::normalizedOctave3D_01(const value_type x, const value_type y, const value_type z, const std::int32_t octaves, const value_type persistence) const noexcept
+	{
+		return perlin_detail::Remap_01(normalizedOctave3D(x, y, z, octaves, persistence));
+	}
+}
+
+# undef SIVPERLIN_NODISCARD_CXX20
+# undef SIVPERLIN_CONCEPT_URBG
+# undef SIVPERLIN_CONCEPT_URBG_

TSE_Math/src/Vector2i.cpp

@@ -0,0 +1,138 @@
+#include "Vector2i.hpp"
+#include "Vector2.hpp"
+#include "Vector3.hpp"
+#include "Vector4.hpp"
+#include <cmath>
+
+TSE::Vector2i::Vector2i() { }
+
+TSE::Vector2i::Vector2i(int _x, int _y)
+{
+    x = _x;
+    y = _y;
+}
+
+TSE::Vector2i::Vector2i(const Vector2i &other)
+{
+    x = other.x;
+    y = other.y;
+}
+
+TSE::Vector2i::Vector2i(const Vector2 &other)
+{
+    x = other.x;
+    y = other.y;
+}
+
+TSE::Vector2i::Vector2i(const Vector3 &other)
+{
+    x = other.x;
+    y = other.y;
+}
+
+TSE::Vector2i::Vector2i(const Vector4 &other)
+{
+    x = other.x;
+    y = other.y;
+}
+
+bool TSE::Vector2i::IsValid() const
+{
+    return !std::isnan(x) && !std::isnan(y);
+}
+
+TSE::string TSE::Vector2i::ToString() const
+{
+    return "(" + std::to_string(x) + "|" + std::to_string(y) + ")";
+}
+
+TSE::Vector2 TSE::Vector2i::ToVector2() const
+{
+    return Vector2();
+}
+
+TSE::Vector3 TSE::Vector2i::ToVector3() const
+{
+    return Vector3(x,y,0);
+}
+
+TSE::Vector4 TSE::Vector2i::ToVector4() const
+{
+    return Vector4(x,y,0,0);
+}
+
+TSE::Vector2i TSE::Vector2i::operator+(const Vector2i &other) const
+{
+    return Vector2i(x + other.x, y + other.y);
+}
+
+TSE::Vector2i TSE::Vector2i::operator+=(const Vector2i &other)
+{
+    *this = *this + other;
+    return *this;
+}
+
+TSE::Vector2i TSE::Vector2i::operator-(const Vector2i &other) const
+{
+    return Vector2i(x - other.x, y - other.y);
+}
+
+TSE::Vector2i TSE::Vector2i::operator-=(const Vector2i &other)
+{
+    *this = *this - other;
+    return *this;
+}
+
+TSE::Vector2i TSE::Vector2i::operator*(const Vector2i &other) const
+{
+    return Vector2i(x * other.x, y * other.y);
+}
+
+TSE::Vector2i TSE::Vector2i::operator*=(const Vector2i &other)
+{
+    *this = *this * other;
+    return *this;
+}
+
+TSE::Vector2i TSE::Vector2i::operator/(const Vector2i &other) const
+{
+    return Vector2i(x / other.x, y / other.y);
+}
+
+TSE::Vector2i TSE::Vector2i::operator/=(const Vector2i &other)
+{
+    *this = *this / other;
+    return *this;
+}
+
+TSE::Vector2i TSE::Vector2i::operator*(const float other) const
+{
+    return Vector2i(x * other, y * other);
+}
+
+TSE::Vector2i TSE::Vector2i::operator*=(const float other)
+{
+    *this = *this * other;
+    return *this;
+}
+
+TSE::Vector2i TSE::Vector2i::operator/(const float other) const
+{
+    return Vector2i(x / other, y / other);
+}
+
+TSE::Vector2i TSE::Vector2i::operator/=(const float other)
+{
+    *this = *this / other;
+    return *this;
+}
+
+bool TSE::Vector2i::operator==(const Vector2i &other) const
+{
+    return x == other.x && y == other.y;
+}
+
+bool TSE::Vector2i::operator!=(const Vector2i &other) const
+{
+    return !(*this == other);
+}

TSE_Math/src/Vector2i.hpp

@@ -0,0 +1,85 @@
+#pragma once
+
+#include "Types.hpp"
+#include "MathF.hpp"
+#include <functional>
+
+namespace TSE
+{
+    class Vector2;
+    class Vector3;
+    class Vector4;
+
+    class Vector2i
+    {
+        public:
+        #pragma region members
+        int x = 0, y = 0;
+        #pragma endregion members
+
+        #pragma region consts
+        static const Vector2i left;
+        static const Vector2i right;
+        static const Vector2i up;
+        static const Vector2i down;
+        static const Vector2i one;
+        static const Vector2i zero;
+        #pragma endregion
+
+        #pragma region ctor
+        /// @brief enpty constructor defined as (0,0)
+        Vector2i();
+        /// @brief constructs a Vector2i with custom values
+        /// @param _x the x component
+        /// @param _y the y component
+        Vector2i(int _x, int _y);
+        /// @brief copy constructor
+        /// @param other the Vector2i to be copied from
+        Vector2i(const Vector2i& other);
+        /// @brief copy constructor
+        /// @param other the Vector2i to be copied from
+        Vector2i(const Vector2& other);
+        /// @brief converter constructor. it converts a Vector3 to a Vector2i without encointing for the z component
+        /// @param other the Vector3 to convert
+        Vector2i(const Vector3& other);
+        /// @brief converter constructor. it converts a Vector4 to a Vector2i without encointing for the z, and w component
+        /// @param other the Vector4 to convert
+        Vector2i(const Vector4& other);
+        #pragma endregion ctor
+
+        #pragma region methods
+        /// @brief checks if the individual components have valid values aka are not nan
+        /// @return are the values valid
+        bool IsValid() const;
+        /// @brief gives you the Vector2i as a string representation. mostly for debugging
+        /// @return the Vector2i in a format like (x|y)
+        string ToString() const;
+        /// @brief creates a Vector3 with the same values as the Vector2i, the y component gets the value 0
+        /// @return the Vector2i as a Vector3
+        Vector2 ToVector2() const;
+        /// @brief creates a Vector3 with the same values as the Vector2i, the y component gets the value 0
+        /// @return the Vector2i as a Vector3
+        Vector3 ToVector3() const;
+        /// @brief creates a Vector4 with the same values as the Vector2i, the y and w components get the value 0
+        /// @return the Vector2i as a Vector4
+        Vector4 ToVector4() const;
+
+        #pragma region operators
+        Vector2i operator+(const Vector2i& other) const;
+        Vector2i operator+=(const Vector2i& other);
+        Vector2i operator-(const Vector2i& other) const;
+        Vector2i operator-=(const Vector2i& other);
+        Vector2i operator*(const Vector2i& other) const;
+        Vector2i operator*=(const Vector2i& other);
+        Vector2i operator/(const Vector2i& other) const;
+        Vector2i operator/=(const Vector2i& other);
+        Vector2i operator*(const float other) const;
+        Vector2i operator*=(const float other);
+        Vector2i operator/(const float other) const;
+        Vector2i operator/=(const float other);
+        bool operator==(const Vector2i& other) const;
+        bool operator!=(const Vector2i& other) const;
+        #pragma endregion operators
+        #pragma endregion methods
+    };
+} // namespace TSE