made improvements with MRT, and the render pipeline, and made shure, that the software works in non editor mode too

TSE-RTS/src/BehaviourScripts/CameraSizeChangeNotifyer.cpp

@@ -0,0 +1,17 @@
+#include "CameraSizeChangeNotifyer.hpp"
+#include "interfaces/IRenderTarget.hpp"
+
+void CameraSizeChangeNotifyer::OnUpdate()
+{
+    using namespace TSE;
+
+    if(camToObserver != nullptr)
+    {
+        Vector2 currentSize = camToObserver->GetRenderTargetSize();
+        if(currentSize != lastSize)
+        {
+            lastSize = currentSize;
+            TriggerObserver(&lastSize);
+        }
+    }
+}

TSE-RTS/src/BehaviourScripts/CameraSizeChangeNotifyer.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#define CAMERASIZECHANGENOTIFYER typeid(CameraSizeChangeNotifyer).name()
+
+#include "elements/BehaviourScript.hpp"
+#include "elements/Transformable.hpp"
+#include "interfaces/IObservable.hpp"
+#include "Types.hpp"
+#include "BehaviourScripts/Camera.hpp"
+#include "Vector2.hpp"
+
+class CameraSizeChangeNotifyer : public TSE::BehaviourScript, public TSE::IObservable
+{
+private:
+    
+public:
+    TSE::Camera* camToObserver = nullptr;
+    TSE::Vector2 lastSize;
+
+    void OnUpdate() override;
+    inline const char* GetName() override
+    {
+        return "Camera Size Change Notifyer";
+    }
+};

TSE-RTS/src/BehaviourScripts/CanvasScaler.cpp

@@ -0,0 +1,13 @@
+#include "CanvasScaler.hpp"
+
+void CanvasScaler::OnObserved(void *data)
+{
+    using namespace TSE;
+
+    Vector2* size = (Vector2*)data;
+    *mesh = Mesh::GetQuadMesh();
+    for(auto& vertex : mesh->vertecies)
+    {
+        vertex *= *size * 2;
+    }
+}

TSE-RTS/src/BehaviourScripts/CanvasScaler.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#define CANVASSCALER typeid(CanvasScaler).name()
+
+#include "elements/BehaviourScript.hpp"
+#include "elements/Transformable.hpp"
+#include "Types.hpp"
+#include "interfaces/IObserver.hpp"
+#include "Mesh.hpp"
+
+class CanvasScaler : public TSE::BehaviourScript, public TSE::IObserver
+{
+private:
+    
+public:
+    
+    TSE::Mesh* mesh = nullptr;
+
+    void OnObserved(void* data) override;
+    inline const char* GetName() override
+    {
+        return "Canvas Scaler";
+    }
+};

TSE-RTS/src/BehaviourScripts/RenderTextureResizes.cpp

@@ -0,0 +1,13 @@
+#include "RenderTextureResizes.hpp"
+
+void RenderTextureResizes::OnObserved(void *data)
+{
+    using namespace TSE;
+
+    Vector2* size = (Vector2*)data;
+    if(size->x < 10)
+    {
+        return;
+    }
+    rt->SetSize(*size);
+}

TSE-RTS/src/BehaviourScripts/RenderTextureResizes.hpp

@@ -0,0 +1,23 @@
+#pragma once
+
+#define RENDERTEXTURERESIZES typeid(RenderTextureResizes).name()
+
+#include "elements/BehaviourScript.hpp"
+#include "elements/Transformable.hpp"
+#include "Types.hpp"
+#include "interfaces/IRenderTexture.hpp"
+#include "interfaces/IObserver.hpp"
+
+class RenderTextureResizes : public TSE::BehaviourScript, public TSE::IObserver
+{
+private:
+    
+public:
+    TSE::IRenderTexture* rt = nullptr;
+
+    void OnObserved(void* data) override;
+    inline const char* GetName() override
+    {
+        return "Render Texture Resizes";
+    }
+};

TSE-RTS/src/game.cpp

@@ -6,11 +6,17 @@
 #include "Vector2.hpp"
 #include <cmath>
 #include "PerlinNoise.hpp"
+#include "BehaviourScripts/Camera.hpp"
+#include "interfaces/IRenderTexture.hpp"
+#include "BehaviourScripts/MeshContainer.hpp"
+#include "BehaviourScripts/CameraSizeChangeNotifyer.hpp"
+#include "BehaviourScripts/RenderTextureResizes.hpp"
+#include "BehaviourScripts/CanvasScaler.hpp"
 
 #define circleRadius 32
 #define circleFallof 25
 
-void game::setup(TSE::Scene* s)
+void game::setup(TSE::Scene* s, TSE::IWindow* wnd)
 {
     using namespace TSE;
     s->AddLayer(&gameLayer);
@@ -61,22 +67,81 @@ void game::setup(TSE::Scene* s)
             {
                 if(noise >= 0.8f)
                 {
-                    maps[3]->SetTile(Vector2(x, y), {0,9});
+                    maps[3]->SetTile(Vector2(x, y), {0,9}, {2,9});
                 }
                 else if(noise >= 0.6f)
                 {
-                    maps[2]->SetTile(Vector2(x, y), {0,9});
+                    maps[2]->SetTile(Vector2(x, y), {0,9}, {2,9});
                 }
                 else if(noise >= 0.4f)
                 {
-                    maps[1]->SetTile(Vector2(x, y), {0,9});
+                    maps[1]->SetTile(Vector2(x, y), {0,9}, {2,9});
                 }
                 else
                 {
-                    maps[0]->SetTile(Vector2(x, y), {0,9});
+                    maps[0]->SetTile(Vector2(x, y), {0,9}, {2,9});
                 }
             }
         }
     }
     
+    //RenderingLayer
+
+    s->AddLayer(&renderingLayer);
+
+    Transformable* lastPassCamera = new Transformable("lastPassCamera");
+    Camera* lpCam = new Camera();
+    lpCam->SetRenderTarget(wnd);
+    lpCam->SetRenderScale(1);
+    lpCam->layersNotToRender.push_back(gameLayer.GetID());
+    lastPassCamera->AddBehaviourScript(lpCam);
+    CameraSizeChangeNotifyer* camNotifyer = new CameraSizeChangeNotifyer();
+    camNotifyer->lastSize = {0,0};
+    camNotifyer->camToObserver = lpCam;
+    lastPassCamera->AddBehaviourScript(camNotifyer);
+
+    Vector2 canvasSize = wnd->GetSize() / 4.0f;
+    
+    IRenderTexture* rt = IRenderTexture::factory->CreateTextureHeap(canvasSize, 2);
+    Transformable* firstPassCamera = new Transformable("firstPassCamera");
+    Camera* fpCam = new Camera();
+    fpCam->SetRenderScale(256);
+    fpCam->SetRenderTarget(rt);
+    fpCam->layersNotToRender.push_back(renderingLayer.GetID());
+    firstPassCamera->AddBehaviourScript(fpCam);
+    RenderTextureResizes* resizer = new RenderTextureResizes();
+    resizer->rt = rt;
+    camNotifyer->Observe(resizer);
+    firstPassCamera->AddBehaviourScript(resizer);
+
+    //Render pipeline setup
+
+    gameLayer.AddTransformable(firstPassCamera);
+    renderingLayer.AddTransformable(lastPassCamera);
+
+    //final
+
+    Mesh* canvasMesh = new Mesh(Mesh::GetQuadMesh());
+    for(auto& vertex : canvasMesh->vertecies)
+    {
+        vertex *= wnd->GetSize();
+    }
+    MeshContainer* canvasContainer = new MeshContainer(canvasMesh);
+
+    Material* canvasMat = new Material("canvasMat", ShaderRegistry::GetShader("LastPassShader"));
+    canvasMat->SetValue<float>("threshold", 0.01f);
+    canvasMat->SetValue<float>("darken", 0.45f);
+    canvasMat->SetValue<uint>("colorTextureID", rt->GetTextureId(0));
+    canvasMat->SetValue<uint>("heightTextureID", rt->GetTextureId(1));
+    Renderable* canvasRenderer = new Renderable(canvasMat);
+
+    CanvasScaler* canvasScaler = new CanvasScaler();
+    canvasScaler->mesh = canvasMesh;
+    camNotifyer->Observe(canvasScaler);
+
+    lastPassCamera->AddBehaviourScript(canvasContainer);
+    lastPassCamera->AddBehaviourScript(canvasRenderer);
+    lastPassCamera->AddBehaviourScript(canvasScaler);
+
+    //propper resize stuff for prior passes, and canvas, and implement LastPassShader siehe dazu den chat: https://chatgpt.com/c/69985c47-6a50-838b-852d-45bb0b8454e5
 }

TSE-RTS/src/game.hpp

@@ -1,10 +1,12 @@
 #pragma once
 #include "elements/Scene.hpp"
+#include "interfaces/IWindow.hpp"
 
 class game
 {
     public:
     inline static TSE::Layer gameLayer = TSE::Layer("gameLayer");
+    inline static TSE::Layer renderingLayer = TSE::Layer("renderingLayer");
 
-    static void setup(TSE::Scene* s);
+    static void setup(TSE::Scene* s, TSE::IWindow* wnd);
 };

TSE-RTS/src/main.cpp

@@ -16,8 +16,9 @@
 #include "EditorSubsystem.hpp"
 #include "game.hpp"
 #include "shaders/TileMapShader.hpp"
+#include "shaders/LastPassShader.hpp"
 
-#define USE_EDITOR
+//#define USE_EDITOR
 
 using namespace TSE;
 using namespace TSE::GLFW;
@@ -36,21 +37,27 @@ void SetupWindow()
     wnd = new WindowGlfw(PROJECT_NAME, 800, 600, new OpenGLRenderingBackend(backColor, false, 8, true), WindowType::Maximized);
     editor = new EditorSubsystem();
 #else
-    wnd = new WindowGlfw(PROJECT_NAME, 800, 600, new OpenGLRenderingBackend(backColor, false, 8, false), WindowType::Maximized);
+    wnd = new WindowGlfw(PROJECT_NAME, 1920, 1080, new OpenGLRenderingBackend(backColor, false, 8, false), WindowType::Fullscreen);
 #endif
     LoadBasicShaders(wnd->GetSize().x, wnd->GetSize().y);
     TileMapShader::Init(wnd->GetSize().x, wnd->GetSize().y);
+    LastPassShader::Init(wnd->GetSize().x, wnd->GetSize().y);
     ShaderRegistry::SetShader("TileMapShader v2", TileMapShader::Instance());
+    ShaderRegistry::SetShader("LastPassShader", LastPassShader::Instance());
 
     rend = new DefaultRendererOpenGL(*BasicShader::Instance());
     currentScene = new Scene();
     
-    game::setup(currentScene);
-
     #ifdef USE_EDITOR
+        ((Camera*)Transformable::Find(".EditorCamera")->GetBehaviourScript(CAMERA))->layersNotToRender.push_back(game::renderingLayer.GetID());
         currentScene->AddLayer(&editor->editorLayer);
         editor->hv.SetScene(currentScene);
     #endif
+
+    
+    game::setup(currentScene, wnd);
+
+    wnd->DoneSetup();
 }
 
 void CleanUp()

TSE-RTS/src/shaders/LastPassShader.cpp

@@ -0,0 +1,109 @@
+#include "LastPassShader.hpp"
+#include "BehaviourScripts/Renderable.hpp"
+#include "Color.hpp"
+#include "interfaces/ITexture.hpp"
+#include "LastPassShaderGLSL.hpp"
+
+using namespace TSE;
+using namespace TSE::GLFW;
+
+#define SHADER_VERTEX_INDEX 0
+#define SHADER_UV_INDEX 1
+
+#define SHADER_PACKAGE_SIZE (sizeof(float) * (3 + 2))
+
+LastPassShader* LastPassShader::instance = nullptr;
+
+LastPassShader *LastPassShader::Instance()
+{
+    return instance;
+}
+
+void LastPassShader::Destroy()
+{
+    if(instance != nullptr)
+    delete instance;
+    instance = nullptr;
+}
+
+void LastPassShader::Init(float width, float height)
+{
+    std::vector<std::unique_ptr<ShaderPart>> parts;
+    parts.push_back(ShaderPart::LoadFromString(vertLastPass, GL_VERTEX_SHADER));
+    parts.push_back(ShaderPart::LoadFromString(fragLastPass, GL_FRAGMENT_SHADER));
+    instance = new LastPassShader(std::move(parts));
+
+    instance->Enable();
+    instance->SetUniform("colorTexture", 0);
+    instance->SetUniform("heightTexture", 1);
+    instance->Disable();
+}
+
+LastPassShader::LastPassShader(std::vector<std::unique_ptr<TSE::GLFW::ShaderPart>> &&parts) : Shader(parts)
+{
+    PackageSize = SHADER_PACKAGE_SIZE;
+}
+
+void LastPassShader::OnEnable() const
+{
+    glEnableVertexAttribArray(SHADER_VERTEX_INDEX);
+    glVertexAttribPointer(SHADER_VERTEX_INDEX, 3, GL_FLOAT, false, SHADER_PACKAGE_SIZE, (void*)0);
+    glEnableVertexAttribArray(SHADER_UV_INDEX);
+    glVertexAttribPointer(SHADER_UV_INDEX, 2, GL_FLOAT, false, SHADER_PACKAGE_SIZE, (void*)(sizeof(float) * 3));
+}
+
+void LastPassShader::OnDisable() const
+{
+    glDisableVertexAttribArray(SHADER_VERTEX_INDEX);
+    glDisableVertexAttribArray(SHADER_UV_INDEX);
+}
+
+void LastPassShader::OnFlush()
+{
+    glActiveTexture(GL_TEXTURE0);
+    glBindTexture(GL_TEXTURE_2D, ColorTextureID);
+    glActiveTexture(GL_TEXTURE1);
+    glBindTexture(GL_TEXTURE_2D, HeightTextureID);
+    SetUniform("uThreshold", Threshold);
+    SetUniform("uDarken", Darken);
+}
+
+void LastPassShader::OnDrawCall(int indexCount)
+{
+    glDrawElements(GL_TRIANGLES, indexCount, GL_UNSIGNED_SHORT, NULL);
+}
+
+void LastPassShader::OnSubmit(const TSE::Transformable &t, float *&target, TSE::TransformationStack &stack, void (*restartDrawcall)(TSE::IRenderer &), TSE::IRenderer &rnd)
+{
+    auto* r = dynamic_cast<Renderable*>(t.GetBehaviourScript(RENDERABLE));
+        if (!r) return;
+    if(!r->GetMaterial()->HasValue("colorTextureID")) return;
+    if(!r->GetMaterial()->HasValue("heightTextureID")) return;
+    if(!r->GetMaterial()->HasValue("threshold")) return;
+    if(!r->GetMaterial()->HasValue("darken")) return;
+    ColorTextureID = r->GetMaterial()->GetValue<uint>("colorTextureID");
+    HeightTextureID = r->GetMaterial()->GetValue<uint>("heightTextureID");
+    Threshold = r->GetMaterial()->GetValue<float>("threshold");
+    Darken = r->GetMaterial()->GetValue<float>("darken");
+
+    const Vector3* verts = r->GetVertices();
+    const Vector2* uvs = r->GetUVs();
+    ushort vCount = r->GetVertexCount();
+
+    Matrix4x4 matr = t.GetLocalMatrix();
+
+    stack.Push(matr);
+    const Matrix4x4& top = stack.Top();
+
+    for (ushort i = 0; i < vCount; i++) {
+        Vector3 p = top * verts[i];
+        Vector2 uv = uvs[i];
+        *target++ = p.x;
+        *target++ = p.y;
+        *target++ = p.z;
+        *target++ = uv.x;
+        *target++ = uv.y;
+    }
+
+    stack.Pop();
+}

TSE-RTS/src/shaders/LastPassShader.hpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "GL/gl3w.h"
+#include "GL/gl.h"
+#include "shader/Shader.hpp"
+#include "Types.hpp"
+
+class LastPassShader : public TSE::GLFW::Shader
+{
+private:
+    static LastPassShader* instance;
+    GLuint ColorTextureID;
+    GLuint HeightTextureID;
+    float Threshold;
+    float Darken;
+
+public:
+    static LastPassShader* Instance();
+    static void Destroy();
+    static void Init(float width, float height);
+    LastPassShader(std::vector<std::unique_ptr<TSE::GLFW::ShaderPart>>&& parts);
+
+protected:
+    void OnEnable() const override;
+    void OnDisable() const override;
+    void OnFlush() override;
+    void OnDrawCall(int indexCount) override;
+    void OnSubmit(const TSE::Transformable& t, float*& target, TSE::TransformationStack& stack, void (*restartDrawcall)(TSE::IRenderer&), TSE::IRenderer& rnd) override;
+};

TSE-RTS/src/shaders/LastPassShaderGLSL.hpp

@@ -0,0 +1,96 @@
+#pragma once
+
+inline const char* vertLastPass = R"(
+    #version 330 core
+
+    layout (location = 0) in vec3 position;
+    layout (location = 1) in vec2 uv;
+
+    uniform mat4 prMatrix;
+    uniform mat4 camMatrix;
+
+    out DATA
+    {
+        vec2 uv_out;
+    } vs_out;
+
+
+    void main()
+    {
+        gl_Position = prMatrix * camMatrix * vec4(position.x, position.y, position.z, 1.0);
+        vs_out.uv_out = uv;
+    }
+)";
+
+inline const char* fragLastPass = R"(
+    #version 330 core
+    layout (location = 0) out vec4 color;
+
+    uniform sampler2D colorTexture;
+    uniform sampler2D heightTexture;
+
+    uniform float uThreshold;
+    uniform float uDarken;
+
+    in DATA
+    {
+        vec2 uv_out;
+    } fs_in;
+    
+    float GetChangeInHeight4(ivec2 pos)
+    {
+        float center = texelFetch(heightTexture, pos, 0).a;
+        ivec2 s = textureSize(heightTexture, 0) - ivec2(1);
+
+        float north = texelFetch(heightTexture, clamp(pos + ivec2(0,  1), ivec2(0), s), 0).a;
+        float south = texelFetch(heightTexture, clamp(pos + ivec2(0,  -1), ivec2(0), s), 0).a;
+        float east = texelFetch(heightTexture, clamp(pos + ivec2(1,  0), ivec2(0), s), 0).a;
+        float west = texelFetch(heightTexture, clamp(pos + ivec2(-1,  0), ivec2(0), s), 0).a;
+
+        float edge = 0.0;
+        edge = max(edge, abs(center - north));
+        edge = max(edge, abs(center - south));
+        edge = max(edge, abs(center - east));
+        edge = max(edge, abs(center - west));
+
+        return edge;
+    }
+
+    float GetChangeInNormal4(ivec2 pos)
+    {
+        float center = texelFetch(heightTexture, pos, 0).g;
+        ivec2 s = textureSize(heightTexture, 0) - ivec2(1);
+
+        float north = texelFetch(heightTexture, clamp(pos + ivec2(0,  1), ivec2(0), s), 0).g;
+        float south = texelFetch(heightTexture, clamp(pos + ivec2(0,  -1), ivec2(0), s), 0).g;
+        float east = texelFetch(heightTexture, clamp(pos + ivec2(1,  0), ivec2(0), s), 0).g;
+        float west = texelFetch(heightTexture, clamp(pos + ivec2(-1,  0), ivec2(0), s), 0).g;
+
+        float edge = 0.0;
+        edge = max(edge, abs(center - north));
+        edge = max(edge, abs(center - south));
+        edge = max(edge, abs(center - east));
+        edge = max(edge, abs(center - west));
+
+        return edge;
+    }
+
+    void main()
+    {
+        
+        ivec2 size = textureSize(heightTexture, 0);
+        ivec2 p = clamp(ivec2(fs_in.uv_out * vec2(size)), ivec2(0), size - ivec2(1));
+
+        float changeInNormal = GetChangeInNormal4(p);
+        float changeInHeight = GetChangeInHeight4(p);
+
+        float maskH = step(uThreshold, changeInHeight);
+        float maskN = step(uThreshold, changeInNormal);
+        float mask  = max(maskH, maskN);
+        
+        vec3 col = texelFetch(colorTexture, p, 0).rgb;
+        col *= mix(1.0, 1.0 - uDarken, mask);
+
+        color = vec4(col, 1.0);
+    } 
+)";

TSE-RTS/src/shaders/TileMapShader.cpp

@@ -10,8 +10,9 @@ using namespace TSE::GLFW;
 #define SHADER_MESH_INDEX 0
 #define SHADER_POS_INDEX 1
 #define SHADER_SPRITE_INDEX 2
+#define SHADER_NORMAL_INDEX 3
 
-#define SHADER_PACKAGE_SIZE sizeof(float) * (3 + 1)
+#define SHADER_PACKAGE_SIZE sizeof(float) * (3 + 1 + 1)
 
 TileMapShader* TileMapShader::instance = nullptr;
 
@@ -122,6 +123,11 @@ void TileMapShader::OnEnable() const
     glEnableVertexAttribArray(SHADER_SPRITE_INDEX);
     glVertexAttribPointer(SHADER_SPRITE_INDEX, 1, GL_FLOAT, GL_FALSE, PackageSize, (void*)(sizeof(float)*3));
     glVertexAttribDivisor(SHADER_SPRITE_INDEX, 1);
+
+    //   layout 3: normalindex (float)
+    glEnableVertexAttribArray(SHADER_NORMAL_INDEX);
+    glVertexAttribPointer(SHADER_NORMAL_INDEX, 1, GL_FLOAT, GL_FALSE, PackageSize, (void*)(sizeof(float)*4));
+    glVertexAttribDivisor(SHADER_NORMAL_INDEX, 1);
 }
 
 void TileMapShader::OnDisable() const
@@ -129,12 +135,14 @@ void TileMapShader::OnDisable() const
     glDisableVertexAttribArray(SHADER_MESH_INDEX);
     glDisableVertexAttribArray(SHADER_POS_INDEX);
     glDisableVertexAttribArray(SHADER_SPRITE_INDEX);
+    glDisableVertexAttribArray(SHADER_NORMAL_INDEX);
 }
 
 void TileMapShader::OnFlush()
 {
     glActiveTexture(GL_TEXTURE0);
     glBindTexture(GL_TEXTURE_2D, TextureID);
+    glDisable(GL_BLEND);
 }
 
 void TileMapShader::OnDrawCall(int indexCount)
@@ -159,6 +167,11 @@ void TileMapShader::OnDrawCall(int indexCount)
     }
 
     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, (GLuint)prevElementBuffer);
+}
+
+void TileMapShader::OnPostDraw()
+{
+    glEnable(GL_BLEND);
     instanceCount = 0;
 }
 
@@ -177,9 +190,7 @@ void TileMapShader::OnSubmit(const Transformable &t, float *&target, Transformat
     SpriteCount = tileSet->GetCount();
     SpriteScale = tm->SpriteScale;
 
-    const int chunkcount = tm->GetChunkCount();
+    const std::vector<Vector2> orderedChunks = *tm->GetChunkPositionsInOrder();
-    Vector2 orderedChunks[chunkcount];
-    tm->GetChunkPositionsInOrder(orderedChunks);
 
     Matrix4x4 matr = t.GetLocalMatrix();
 
@@ -189,10 +200,8 @@ void TileMapShader::OnSubmit(const Transformable &t, float *&target, Transformat
     {
         auto chunk = tm->GetChunk(chunkPos);
         const int spriteCount = chunk->GetSpriteCount();
-        Vector2 spritePositions[spriteCount];
+        const std::vector<Vector2> spritePositions = *chunk->GetOrderedPositions();
-        int spriteIds[spriteCount];
+        const std::vector<Vector2i> spriteIds = *chunk->GetOrderedSpriteIds();
-        chunk->GetOrderedPositions(spritePositions);
-        chunk->GetOrderedSpriteIds(spriteIds);
         int chunkSize = chunk->GetChunksize();
 
         for (int i = 0; i < spriteCount; i++)
@@ -204,12 +213,13 @@ void TileMapShader::OnSubmit(const Transformable &t, float *&target, Transformat
             *target++ = pos.x;
             *target++ = pos.y;
             *target++ = pos.z;
-            *target++ = spriteIds[i];
+            *target++ = spriteIds[i].x;
+            *target++ = spriteIds[i].y;
 
             ++instanceCount;
             stack.Pop();
 
-            if(instanceCount >= 20000)
+            if(instanceCount >= 16000)
                 restartDrawcall(rnd);
         }
     }

TSE-RTS/src/shaders/TileMapShader.hpp

@@ -38,5 +38,6 @@ protected:
     void OnDisable() const override;
     void OnFlush() override;
     void OnDrawCall(int indexCount) override;
+    void OnPostDraw() override;
     void OnSubmit(const TSE::Transformable& t, float*& target, TSE::TransformationStack& stack, void (*restartDrawcall)(TSE::IRenderer&), TSE::IRenderer& rnd) override;
 };

TSE-RTS/src/shaders/TileMapShaderGLSL.hpp

@@ -7,6 +7,7 @@ inline const char* vertTile2 = R"(
 
     layout(location = 1) in vec3 iTilePos;
     layout(location = 2) in float iSpriteId;
+    layout(location = 3) in float iNormalId;
 
     uniform mat4 prMatrix;
     uniform mat4 camMatrix;
@@ -15,6 +16,7 @@ inline const char* vertTile2 = R"(
 
     out vec2 vUV;
     flat out int vSpriteId;
+    flat out int vNormalId;
 
     void main()
     {
@@ -28,6 +30,7 @@ inline const char* vertTile2 = R"(
 
         vUV = baseUV;
         vSpriteId = int(iSpriteId + 0.5);
+        vNormalId = int(iNormalId + 0.5);
     }
 )";
 
@@ -36,6 +39,7 @@ inline const char* fragTile2 = R"(
 
     in vec2 vUV;
     flat in int vSpriteId;
+    flat in int vNormalId;
 
     uniform sampler2D atlas;
     uniform vec2 spriteCount;
@@ -60,6 +64,17 @@ inline const char* fragTile2 = R"(
         c = vec4(c.x * colorScaler,c.y * colorScaler,c.z * colorScaler,c.w);
         
         FragColor = c;
-        FragHeight = vec4(0,0,layerHeight,1);
+
+        if(vNormalId != -1)
+        {
+            int sx2 = vNormalId % cols;
+            int sy2 = vNormalId / cols;
+            vec2 atlasOffsetNormal = vec2(float(sx2), float(sy2)) * tileUVSize;
+            vec2 atlasUVNormal = atlasOffsetNormal + (vUV * tileUVSize);
+            vec4 cNormal = texture(atlas, atlasUVNormal);
+            cNormal.w = layerHeight;
+            
+            FragHeight = cNormal;
+        }
     }
 )";