what's that? a segfault???

libhart/tracing/hit.hpp

@@ -4,8 +4,11 @@
 
 namespace inferno {
 
+class Ray;
+
 struct HitInfo
 {
+    Ray* Caller;
     // indicie of hit ^ mesh idx of hit
     int Identifier;
     glm::vec2 UV;

libhart/tracing/ray.hpp

@@ -8,6 +8,7 @@ struct Ray
 {
     glm::vec3 Origin;
     glm::vec3 Direction;
+    uint32_t Reference;
 };
 
 }

src/hart_module.cpp

@@ -1,6 +1,8 @@
 #include "hart_module.hpp"
 
 #include <renderer/ray_source.hpp>
+#include <renderer/renderer.hpp>
+
 #include <scene/scene.hpp>
 #include <scene/mesh.hpp>
 
@@ -64,6 +66,7 @@ void HHM::rayReturn(HitInfo* hit)
 {
     HARTModule* mod = mDirectory.getActiveModule();
     spdlog::debug("HIT!!");
+    Renderer->computeHit(hit);
 }
 
 void HHM::bounce(Ray* newRay)

src/hart_module.hpp

@@ -14,6 +14,7 @@ class Scene;
 class Ray;
 class HitInfo;
 class HARTModule;
+class RayRenderer;
 
 class HHM 
 {
@@ -32,6 +33,8 @@ public:
 
     void startTrace(RayField sourceScatter);
 
+    RayRenderer* Renderer;
+
 private:
     HARTModuleDirectory mDirectory;
 };

src/renderer/dispatcher.cpp

@@ -15,6 +15,7 @@ RenderDispatcher::RenderDispatcher()
 {
     mHHM = new HHM();
     mRenderer = new RayRenderer(mHHM);
+    mHHM->Renderer = mRenderer;
 }
 
 RenderDispatcher::~RenderDispatcher()

src/renderer/ray_source.cpp

@@ -27,7 +27,7 @@ void RaySource::generate()
     // float scale = tan(mReferenceCamera->FOV / 2.0f * helpers::PI / 180.0f);
 }
 
-RayField RaySource::getInitialRays(bool MSAA)
+ReferencedRayField RaySource::getInitialRays(bool MSAA)
 {
     if (mReferenceCamera->didUpdate())
     {
@@ -43,6 +43,9 @@ RayField RaySource::getInitialRays(bool MSAA)
     glm::mat4 cameraToWorld = mReferenceCamera->getCameraLook();
     glm::vec3 origin = mReferenceCamera->Position;
 
+    std::unordered_map<uint32_t, glm::ivec2> reference;
+
+    int i = 0;
     for (int x = 0; x < mReferenceCamera->getRayViewport().x; x++)
     for (int y = 0; y < mReferenceCamera->getRayViewport().y; y++)
     {
@@ -52,9 +55,12 @@ RayField RaySource::getInitialRays(bool MSAA)
         Ray* ray = new Ray;
         ray->Origin = origin;
         ray->Direction = glm::normalize((glm::vec4(Px, Py, -1.0f, 1.0f) * cameraToWorld));
+        ray->Reference = i;
+        reference[i] = {x, y};
 
         field.push_back(ray);
+        i++;
     }
 
-    return field;
+    return { field, reference };
 }

src/renderer/ray_source.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <vector>
+#include <unordered_map>
 
 #include <graphics.hpp>
 
@@ -10,6 +11,12 @@ namespace inferno {
 
 class Camera;
 
+struct ReferencedRayField
+{
+    RayField Field;
+    std::unordered_map<uint32_t, glm::ivec2> Reference;
+};
+
 class RaySource
 {
 public:
@@ -17,7 +24,7 @@ public:
     ~RaySource();
 
     void generate();
-    RayField getInitialRays(bool MSAA);
+    ReferencedRayField getInitialRays(bool MSAA);
 
 private:
     Camera* mReferenceCamera;

src/renderer/renderer.cpp

@@ -1,7 +1,11 @@
 #include "renderer.hpp"
 
+#include <graphics.hpp>
+
 #include <scene/camera.hpp>
 #include <scene/scene.hpp>
+#include <tracing/ray.hpp>
+#include <tracing/hit.hpp>
 
 #include "hart_module.hpp"
 #include "ray_source.hpp"
@@ -86,21 +90,27 @@ void RayRenderer::draw()
 {
     mCurrentScene->newFrame();
 
-    RayField startRays = mRaySource->getInitialRays(true);
-    mIface->startTrace(startRays);
+    ReferencedRayField startRays = mRaySource->getInitialRays(true);
+
+    for (int x = 0; x < mRenderTargetSize.x; x++)
+    for (int y = 0; y < mRenderTargetSize.y; y++)
+    {
+        mTarget[y * mRenderTargetSize.x + x] = { 1.0f, 0.0f, 0.0f, 1.0f };
+    }
+
+    mCurrentRefTable = &startRays.Reference;
+    mIface->startTrace(startRays.Field);
 
     // hault wait for the module to finish
     bool frameStatus = false;
     while (!frameStatus)
     {
-        std::this_thread::sleep_for(std::chrono::milliseconds(1000));
         switch(mIface->getModuleState())
         {
             case EModuleState::Bad:
                 spdlog::error("MODULE STATE BAD");
             case EModuleState::Build:
             case EModuleState::Trace:
-                spdlog::debug("MODULE BUSY..");
                 break;
             case EModuleState::Ready:
                 frameStatus = true;
@@ -110,8 +120,16 @@ void RayRenderer::draw()
 
     spdlog::info("Sample complete");
 
-    for (auto* ray : startRays)
+    for (auto* ray : startRays.Field)
     {
         delete ray;
     }
 }
+
+void RayRenderer::computeHit(HitInfo* info)
+{
+    glm::ivec2 pos = (*mCurrentRefTable)[info->Caller->Reference];
+    std::lock_guard<std::mutex> lock(this->_mTarget);
+    float d = info->Distance;
+    mTarget[pos.y * mRenderTargetSize.x + pos.x] = { d, d, d, 1.0f };
+}

src/renderer/renderer.hpp

@@ -3,12 +3,14 @@
 #include <graphics.hpp>
 
 #include <mutex>
+#include <unordered_map>
 
 namespace inferno {
 
 class HHM;
 
 class Scene;
+class HitInfo;
 class RaySource;
 class RenderDispatcher;
 
@@ -28,6 +30,12 @@ public:
     void prepare();
     void draw();
 
+public:
+    void computeHit(HitInfo* info);
+
+private:
+    std::unordered_map<uint32_t, glm::ivec2>* mCurrentRefTable;
+
 private:
     GLuint mRenderTargetTexture = 0;
     glm::fvec4* mTarget;