Merge remote-tracking branch 'origin/master' into Animations

# Conflicts:
#	include/Engine/Rendering/DrawFinalPass.h
#	resources/Schema/Components.xsd
#	resources/Schema/Entities/CollisionTestLevel.xml
#	resources/Schema/Types/Entity.xsd
#	src/Engine/Collision/Collision.cpp
#	src/Engine/Rendering/DrawFinalPass.cpp
#	src/Engine/Rendering/RenderSystem.cpp

src/Engine/Collision/CollidableOctreeSystem.cpp

@@ -1,18 +0,0 @@
-#include "Collision/CollidableOctreeSystem.h"
-
-void CollidableOctreeSystem::Update(double dt)
-{
-    m_Octree->ClearDynamicObjects();
-}
-
-void CollidableOctreeSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& component, double dt)
-{
-    if (entity.HasComponent("AABB")) {
-        boost::optional<EntityAABB> absoluteAABB = Collision::EntityAbsoluteAABB(entity);
-        if (absoluteAABB) {
-            m_Octree->AddDynamicObject(*absoluteAABB);
-        }
-    } else if (entity.HasComponent("Model")) {
-        // TODO: Derive AABB from model
-    }
-}

src/Engine/Collision/Collision.cpp

@@ -4,6 +4,7 @@
 #include "Engine/GLM.h"
 #include "Core/World.h"
 #include "Rendering/Model.h"
+#include "imgui/imgui.h"
 
 namespace Collision
 {
@@ -116,36 +117,79 @@ bool AABBVsAABB(const AABB& a, const AABB& b, glm::vec3& minimumTranslation)
     return glm::all(axisesIntersecting);
 }
 
+bool RayVsTriangle(const Ray& ray,
+    const glm::vec3& v0,
+    const glm::vec3& v1,
+    const glm::vec3& v2,
+    bool trueOnNegativeDistance)
+{
+    glm::vec3 e1 = v1 - v0;		//v1 - v0
+    glm::vec3 e2 = v2 - v0;		//v2 - v0
+    glm::vec3 m = ray.Origin() - v0;
+    glm::vec3 MxE1 = glm::cross(m, e1);
+    glm::vec3 DxE2 = glm::cross(ray.Direction(), e2);
+    float DetInv = glm::dot(e1, DxE2);
+    if (std::abs(DetInv) < FLT_EPSILON) {
+        return false;
+    }
+    DetInv = 1.0f / DetInv;
+    float u = glm::dot(m, DxE2) * DetInv;
+    float v = glm::dot(ray.Direction(), MxE1) * DetInv;
+    //u,v can be very close to 0 but still negative sometimes. added a deltafactor to compensate for that problem
+    if ((u + 0.001f) < 0 || (v + 0.001f) < 0 || 1 < u + v) {
+        return false;
+    }
+    //Here, u and v are positive, u+v <= 1, and if distance is positive - triangle is hit.
+    return trueOnNegativeDistance || 0 <= glm::dot(e2, MxE1) * DetInv;
+}
+
 bool RayVsModel(const Ray& ray,
     const std::vector<RawModel::Vertex>& modelVertices,
     const std::vector<unsigned int>& modelIndices)
 {
     for (int i = 0; i < modelIndices.size(); ++i) {
         glm::vec3 v0 = modelVertices[modelIndices[i]].Position;
-        glm::vec3 e1 = modelVertices[modelIndices[++i]].Position - v0;		//v1 - v0
-        glm::vec3 e2 = modelVertices[modelIndices[++i]].Position - v0;		//v2 - v0
-        glm::vec3 m = ray.Origin() - v0;
-        glm::vec3 MxE1 = glm::cross(m, e1);
-        glm::vec3 DxE2 = glm::cross(ray.Direction(), e2);
-        float DetInv = glm::dot(e1, DxE2);
-        if (std::abs(DetInv) < FLT_EPSILON) {
-            continue;
-        }
-        DetInv = 1.0f / DetInv;
-        float u = glm::dot(m, DxE2) * DetInv;
-        float v = glm::dot(ray.Direction(), MxE1) * DetInv;
-        //u,v can be very close to 0 but still negative sometimes. added a deltafactor to compensate for that problem
-        if ((u + 0.001f) < 0 || (v + 0.001f) < 0 || 1 < u + v) {
-            continue;
-        }
-        //Here, u and v are positive, u+v <= 1, and if distance is positive - triangle is hit.
-        if (0 <= glm::dot(e2, MxE1) * DetInv) {
+        glm::vec3 v1 = modelVertices[modelIndices[++i]].Position;
+        glm::vec3 v2 = modelVertices[modelIndices[++i]].Position;
+        if (RayVsTriangle(ray, v0, v1, v2)) {
             return true;
         }
     }
     return false;
 }
 
+bool RayVsTriangle(const Ray& ray,
+    const glm::vec3& v0,
+    const glm::vec3& v1,
+    const glm::vec3& v2,
+    float& outDistance,
+    float& outUCoord,
+    float& outVCoord,
+    bool trueOnNegativeDistance)
+{
+    glm::vec3 e1 = v1 - v0;		//v1 - v0
+    glm::vec3 e2 = v2 - v0;		//v2 - v0
+    glm::vec3 m = ray.Origin() - v0;
+    glm::vec3 MxE1 = glm::cross(m, e1);
+    glm::vec3 DxE2 = glm::cross(ray.Direction(), e2);//pVec
+    float DetInv = glm::dot(e1, DxE2);
+    if (std::abs(DetInv) < FLT_EPSILON) {
+        return false;
+    }
+    DetInv = 1.0f / DetInv;
+    float dist = glm::dot(e2, MxE1) * DetInv;
+    if (dist >= outDistance) {
+        return false;
+    }
+    outDistance = dist;
+    outUCoord = glm::dot(m, DxE2) * DetInv;
+    outVCoord  = glm::dot(ray.Direction(), MxE1) * DetInv;
+
+    //u,v can be very close to 0 but still negative sometimes. added a deltafactor to compensate for that problem
+    //If u and v are positive, u+v <= 1, dist is positive, and less than closest.
+    return (0 <= (outUCoord + 0.001f) && 0 <= (outVCoord + 0.001f) && outUCoord + outVCoord <= 1 && (trueOnNegativeDistance || 0 <= dist));
+}
+
 bool RayVsModel(const Ray& ray,
     const std::vector<RawModel::Vertex>& modelVertices,
     const std::vector<unsigned int>& modelIndices,
@@ -157,26 +201,12 @@ bool RayVsModel(const Ray& ray,
     bool hit = false;
     for (int i = 0; i < modelIndices.size(); ++i) {
         glm::vec3 v0 = modelVertices[modelIndices[i]].Position;
-        glm::vec3 e1 = modelVertices[modelIndices[++i]].Position - v0;		//v1 - v0
-        glm::vec3 e2 = modelVertices[modelIndices[++i]].Position - v0;		//v2 - v0
-        glm::vec3 m = ray.Origin() - v0;
-        glm::vec3 MxE1 = glm::cross(m, e1);
-        glm::vec3 DxE2 = glm::cross(ray.Direction(), e2);//pVec
-        float DetInv = glm::dot(e1, DxE2);
-        if (std::abs(DetInv) < FLT_EPSILON) {
-            continue;
-        }
-        DetInv = 1.0f / DetInv;
-        float dist = glm::dot(e2, MxE1) * DetInv;
-        if (dist >= outDistance) {
-            continue;
-        }
-        float u = glm::dot(m, DxE2) * DetInv;
-        float v = glm::dot(ray.Direction(), MxE1) * DetInv;
-
-        //u,v can be very close to 0 but still negative sometimes. added a deltafactor to compensate for that problem
-        //If u and v are positive, u+v <= 1, dist is positive, and less than closest.
-        if (0 <= (u + 0.001f) && 0 <= (v + 0.001f) && u + v <= 1 && 0 <= dist) {
+        glm::vec3 v1 = modelVertices[modelIndices[++i]].Position;
+        glm::vec3 v2 = modelVertices[modelIndices[++i]].Position;
+        float dist;
+        float u;
+        float v;
+        if (RayVsTriangle(ray, v0, v1, v2, dist, u, v)) {
             outDistance = dist;
             outUCoord = u;
             outVCoord = v;
@@ -199,74 +229,365 @@ bool RayVsModel(const Ray& ray,
     return hit;
 }
 
-bool AABBvsTriangles(const AABB& box, const std::vector<RawModel::Vertex>& modelVertices, const std::vector<unsigned int>& modelIndices, const glm::mat4& modelMatrix, glm::vec3& outResolutionVector)
+constexpr inline int signNonZero(float x)
 {
-    bool hit = false;
-    
+    return x < 0 ? -1 : 1;
+}
+
+inline glm::vec3 signNonZero(const glm::vec3& x)
+{
+    glm::vec3 r;
+    for (int i = 0; i < 3; ++i) {
+        r[i] = (float)signNonZero(x[i]);
+    }
+    return r;
+}
+
+template<typename T>
+bool vectorHasLength(const T& vec)
+{
+    return glm::any(glm::greaterThan(glm::abs(vec), T(0.0001f)));
+}
+
+bool rectangleVsTriangle(const glm::vec2& boxMin,
+    const glm::vec2& boxMax,
+    const std::array<glm::vec2, 3>& triPos,
+    glm::vec2& resolutionDirection,
+    float& resolutionDistanceSq,
+    bool& pushedFromTriNormal)
+{
+    pushedFromTriNormal = false;
+    resolutionDistanceSq = INFINITY;
+    //Project along box normals (coordinate axes, since it's axis-aligned).
+    for (int ax = 0; ax < 2; ++ax) {
+        float minTri = INFINITY;
+        float maxTri = -INFINITY;
+        for (const glm::vec2& t : triPos) {
+            minTri = std::min(t[ax], minTri);
+            maxTri = std::max(t[ax], maxTri);
+        }
+        if (boxMax[ax] <= minTri || maxTri <= boxMin[ax]) {
+            return false;
+        }
+
+        //Here: maxBox > minTri && minBox < maxTri
+        //Left is negative.
+        float leftRes = minTri - boxMax[ax];
+        float rightRes = maxTri - boxMin[ax];
+        float push = rightRes < -leftRes ? rightRes : leftRes;
+        float absPushSq = abs(push);
+        absPushSq *= absPushSq;
+
+        if (absPushSq < resolutionDistanceSq) {
+            resolutionDistanceSq = absPushSq;
+            resolutionDirection[1 - ax] = 0.f;
+            resolutionDirection[ax] = push;
+        }
+    }
+    //Project along triangle normals.
+    //Put edges into normal vector, make normals in the loop.
+    std::array<glm::vec2, 3> triNormals = {
+        triPos[1] - triPos[0],
+        triPos[2] - triPos[1],
+        triPos[0] - triPos[2]
+    };
+    std::array<glm::vec2, 4> boxPos = {
+        boxMax,
+        glm::vec2(boxMax.x, boxMin.y),
+        glm::vec2(boxMin.x, boxMax.y),
+        boxMin
+    };
+    for (auto& normal : triNormals) {
+        if (!vectorHasLength(normal)) {
+            continue;
+        }
+        //Rotate edge to a normal.
+        normal = glm::normalize(glm::vec2(-normal.y, normal.x));
+        //Project triangle onto the normal.
+        float minTri = INFINITY;
+        float maxTri = -INFINITY;
+        for (const glm::vec2& point : triPos) {
+            float dot = glm::dot(normal, point);
+            minTri = std::min(dot, minTri);
+            maxTri = std::max(dot, maxTri);
+        }
+        //Project box onto the normal.
+        float minBox = INFINITY;
+        float maxBox = -INFINITY;
+        for (const glm::vec2& point : boxPos) {
+            float dot = glm::dot(normal, point);
+            minBox = std::min(dot, minBox);
+            maxBox = std::max(dot, maxBox);
+        }
+        if (maxBox <= minTri || maxTri <= minBox) {
+            return false;
+        }
+
+        //Here: maxBox > minTri && minBox < maxTri
+        //Left is negative.
+        float leftRes = minTri - maxBox;
+        float rightRes = maxTri - minBox;
+        float push = rightRes < -leftRes ? rightRes : leftRes;
+        float absPushSq = abs(push);
+        absPushSq *= absPushSq;
+        
+        if (absPushSq < resolutionDistanceSq) {
+            resolutionDistanceSq = absPushSq;
+            resolutionDirection = push * normal;
+            pushedFromTriNormal = true;
+        }
+    }
+    return true;
+}
+
+constexpr float SlopeConstant(float degrees)
+{
+    return (1.0f - degrees / 90.f);
+}
+
+//Returns true if the angle between horizon and the collision surface is less than 45 degrees. 
+constexpr bool FaceIsGround(float faceNormalY)
+{
+    //TODO: Perhaps the 45 degrees could be saved in a component or in the config..
+    return faceNormalY > SlopeConstant(45.0f);
+}
+
+//An array containing 3 int pairs { 0, 2 }, { 0, 1 }, { 1, 2 }
+constexpr std::array<std::pair<int, int>, 3> dimensionPairs({ std::pair<int, int>(0, 2), std::pair<int, int>(0, 1), std::pair<int, int>(1, 2) });
+
+bool AABBvsTriangle(const AABB& box, 
+    const std::array<glm::vec3, 3>& triPos, 
+    const glm::vec3& originalBoxVelocity,
+    float verticalStepHeight,
+    bool& isOnGround,
+    glm::vec3& boxVelocity,
+    glm::vec3& outResolution)
+{
+    //Check so we don't have a zero area triangle when calculating the normal.
+    //Also, don't check a triangle facing away from the player.
+    //Less checks, and we should be able to walk out from models if we are trapped inside.
+    glm::vec3 triNormal = glm::cross(triPos[1] - triPos[0], triPos[2] - triPos[0]);
+    if (!vectorHasLength(triNormal) || (glm::dot(triNormal, originalBoxVelocity) > 0)) {
+        return false;
+    }
+    triNormal = glm::normalize(triNormal);
+
+    enum BoxTriResolveCase
+    {
+        ResolveDimX,
+        ResolveDimY,
+        ResolveDimZ,
+        Line,       //Box edge colliding with triangle line.
+        Corner      //Box corner colliding with the triangle face.
+    };
+    struct Resolution
+    {
+        Resolution()
+            : DistanceSq(INFINITY)
+            , Vector(0.f)
+        {}
+        BoxTriResolveCase Case;
+        float DistanceSq;
+        glm::vec3 Vector;
+    };
+    //The smallest resolution that solves the collision.
+    Resolution resolveShortest;
+    //The smallest resolution that solves the collision, that resolves upwards.
+    Resolution resolveUpwards;
+    //If player stands on the ground and collides with a ground triangle, 
+    //we might step up onto it if the step is small enough.
+    bool canStairStepUp = isOnGround && FaceIsGround(triNormal.y);
+
     const glm::vec3& origin = box.Origin();
+    const glm::vec3& half = box.HalfSize();
     const glm::vec3& min = box.MinCorner();
     const glm::vec3& max = box.MaxCorner();
 
-    outResolutionVector.x = INFINITY;
-
-    for (int i = 0; i < modelIndices.size(); ++i) {
-        glm::vec3 p = modelVertices[i].Position;
-        p = glm::vec3(modelMatrix * glm::vec4(p.x, p.y, p.z, 1));
-
-        float distFromOrigin = glm::abs(origin.x - p.x);
-        float penetration = box.HalfSize().x - distFromOrigin;
-        if (penetration > 0 && penetration < glm::abs(outResolutionVector.x)) {
-            if (p.x > origin.x) {
-                outResolutionVector.x = -penetration;
-            } else {
-                outResolutionVector.x = penetration;
+    //For each projection in xy-, xz-, and yx-planes.
+    for (std::pair<int, int> dim : dimensionPairs) {
+        //2D Triangle.
+        //Project triangle.
+        std::array<glm::vec2, 3> t2D = {
+            glm::vec2(triPos[0][dim.first], triPos[0][dim.second]),
+            glm::vec2(triPos[1][dim.first], triPos[1][dim.second]),
+            glm::vec2(triPos[2][dim.first], triPos[2][dim.second])
+        };
+        //Project box.
+        glm::vec2 boxMin(min[dim.first], min[dim.second]);
+        glm::vec2 boxMax(max[dim.first], max[dim.second]);
+        glm::vec2 resolutionVector;
+        float resolutionDist;
+        bool pushedFromTriangleLine;
+        //if projections don't overlap, return false.
+        if (!rectangleVsTriangle(boxMin, boxMax, t2D, resolutionVector, resolutionDist, pushedFromTriangleLine)) {
+            return false;
+        } else {
+            //Overwrite the smallest resolution if this is smaller.
+            if (resolutionDist < resolveShortest.DistanceSq) {
+                resolveShortest.Vector = glm::vec3(0.f);
+                resolveShortest.Vector[dim.first] = resolutionVector.x;
+                resolveShortest.Vector[dim.second] = resolutionVector.y;
+                resolveShortest.DistanceSq = resolutionDist;
+                //If we pushed away from triangle line (edge), or if we 
+                //move the player along one coordinate axis (pick the dimension that isn't zero).
+                resolveShortest.Case = pushedFromTriangleLine ? Line : static_cast<BoxTriResolveCase>((abs(resolveShortest.Vector[dim.first]) < 0.0001f) ? dim.second : dim.first);
+            }
+            //Overwrite the smallest upward resolution if this is smaller, and resolves upwards.
+            constexpr int yAxis = 1;
+            bool resIsUpwardsIn3D = dim.first == yAxis && resolutionVector.x > 0 || dim.second == yAxis && resolutionVector.y > 0;
+            if (canStairStepUp && resIsUpwardsIn3D && resolutionDist < resolveUpwards.DistanceSq) {
+                resolveUpwards.Vector = glm::vec3(0.f);
+                resolveUpwards.Vector[dim.first] = resolutionVector.x;
+                resolveUpwards.Vector[dim.second] = resolutionVector.y;
+                resolveUpwards.DistanceSq = resolutionDist;
+                //If we pushed away from triangle line (edge), or if we 
+                //move the player along one coordinate axis (pick the dimension that isn't zero).
+                resolveUpwards.Case = pushedFromTriangleLine ? Line : static_cast<BoxTriResolveCase>((abs(resolveUpwards.Vector[dim.first]) < 0.0001f) ? dim.second : dim.first);
             }
-            hit = true;
         }
-        //glm::vec3 pLocal = origin - p;
-        //for (int axis = 0; axis < 3; ++axis) {
-        //    if (p[axis] < min[axis] || p[axis] > max[axis]) {
-        //        continue;
-        //    }
-
-        //    if (glm::abs(pLocal[axis]) < box.HalfSize()[axis]) {
-        //        outResolutionVector[axis] = (glm::sign(pLocal[axis]) * box.HalfSize()[axis]) - pLocal[axis];
-        //        hit = true;
-        //    }
-        //}
     }
 
+    //If the triangle does intersect any of the cube diagonals, it will 
+    //intersect the cube diagonal that comes
+    //closest to being perpendicular to the plane of the triangle.
+    glm::vec3 diagonal = signNonZero(triNormal) * half;
+    //The triangle plane contains all points P in dot(triNormal, P) == dot(triNormal, v0)
+    //The diagonal line contains all points P in P = origin + diagonal * t.
+    float t = glm::dot(triNormal, triPos[0] - origin) / glm::dot(triNormal, diagonal);
+    //If intersection point between plane and diagonal is within the box.
+    if (glm::abs(t) > 1) {
+        return false;
+    }
+    glm::vec3 cornerResolution = (1+t) * diagonal;
+    //Overwrite the smallest resolution if cornerResolution is smaller.
+    float lenSq = glm::length2(cornerResolution);
+    if (lenSq < resolveShortest.DistanceSq) {
+        resolveShortest.Vector = cornerResolution;
+        resolveShortest.Case = Corner;
+    }
+    if (canStairStepUp && cornerResolution.y > 0 && lenSq < resolveUpwards.DistanceSq) {
+        resolveUpwards.Vector = cornerResolution;
+        resolveUpwards.Case = Corner;
+        resolveUpwards.DistanceSq = lenSq;
+    }
+
+    //Force the resolution upwards if it is smaller than the threshold verticalStepHeight.
+    //Else take the shortest resolution.
+    bool takeUp = resolveUpwards.Vector.y > 0 && resolveUpwards.Vector.y < verticalStepHeight;
+    Resolution& bestResolve = takeUp ? resolveUpwards : resolveShortest;
+    outResolution = bestResolve.Vector;
+
+    glm::vec3 projNorm;
+    switch (bestResolve.Case) {
+    case ResolveDimY:
+        boxVelocity.y = 0.f;
+        if (outResolution.y > 0)
+            isOnGround = true;
+    case ResolveDimX:
+    case ResolveDimZ:
+        //If we get here, the resolution is along one coordinate axis.
+        //set velocity to 0 in y if it is along y-axis.
+        return true;
+    case Line:
+        projNorm = glm::normalize(outResolution);
+        break;
+    case Corner:
+        projNorm = triNormal;
+        break;
+    default:
+        break;
+    }
+
+    //If the collision was not on steep wall or similarly (e.g. walking on the ground), force resolution in y only.
+    if (FaceIsGround(projNorm.y)) {
+        //Ensure that the player always is moved upwards, instead of sliding down.
+        float len = glm::length(outResolution);
+        float ang = glm::half_pi<float>() - glm::acos(outResolution.y / len);
+        if (len > 0.0000001f && ang > 0.0000001f) {
+            outResolution.x = 0;
+            outResolution.y = len / glm::sin(ang);
+            outResolution.z = 0;
+        }
+        //Also zero the vertical velocity, if it is positive, else project it onto the normal.
+        //Project the velocity onto the normal of the hit line/face.
+        //w = v - <v,n>*n, |n|==1.
+        boxVelocity.y = std::min(boxVelocity.y - glm::dot(boxVelocity, projNorm) * projNorm.y, 0.f);
+        isOnGround = true;
+    } else {
+        //Enter here if the triangle is a steep slope, and it is not facing downwards.
+        //Project the velocity onto the normal of the hit line/face.
+        //w = v - <v,n>*n, |n|==1.
+        //"ice cream"-effect, air resistance + projected velocity.
+        if (!isOnGround) {
+            boxVelocity = boxVelocity - glm::dot(boxVelocity, projNorm) * projNorm;
+        }
+    }
+    return true;
+}
+
+bool AABBvsTriangles(const AABB& box, 
+    const std::vector<RawModel::Vertex>& modelVertices, 
+    const std::vector<unsigned int>& modelIndices, 
+    const glm::mat4& modelMatrix,
+    glm::vec3& boxVelocity,
+    float verticalStepHeight,
+    bool& isOnGround,
+    glm::vec3& outResolutionVector)
+{
+    bool hit = false;
+
+    bool everHitTheGround = false;
+    AABB newBox = box;
+    outResolutionVector = glm::vec3(0.f);
+    glm::vec3 originalBoxVelocity(boxVelocity);
+    for (int i = 0; i < modelIndices.size(); ) {
+        std::array<glm::vec3, 3> triVertices = {
+            Transform::TransformPoint(modelVertices[modelIndices[i++]].Position, modelMatrix),
+            Transform::TransformPoint(modelVertices[modelIndices[i++]].Position, modelMatrix),
+            Transform::TransformPoint(modelVertices[modelIndices[i++]].Position, modelMatrix)
+        };
+        glm::vec3 outVec;
+        bool collideWithGround = isOnGround;
+        if (AABBvsTriangle(newBox, triVertices, originalBoxVelocity, verticalStepHeight, collideWithGround, boxVelocity, outVec)) {
+            hit = true;
+            outResolutionVector += outVec;
+            newBox = AABB::FromOriginSize(newBox.Origin() + outVec, newBox.Size());
+            if (collideWithGround) {
+                everHitTheGround = isOnGround = true;
+            }
+        }
+    }
+
+    if (!everHitTheGround) {
+        isOnGround = false;
+    }
     return hit;
 }
 
-bool attachAABBComponentFromModel(World* world, EntityID id)
+bool AttachAABBComponentFromModel(EntityWrapper entity)
 {
-    if (!world->HasComponent(id, "Model")) {
+    if (!entity.HasComponent("Model")) {
         return false;
     }
-    ComponentWrapper model = world->GetComponent(id, "Model");
-    ComponentWrapper collision = world->AttachComponent(id, "AABB");
-    Model* modelRes = ResourceManager::Load<Model>(model["Resource"]);
-    if (modelRes == nullptr) {
+    //Derive AABB from model
+    RawModel* model;
+    try {
+        model = ResourceManager::Load<RawModel, true>(entity["Model"]["Resource"]);
+    } catch (const std::exception&) {
         return false;
     }
 
-    glm::mat4 modelMatrix = modelRes->Matrix();
-
-    glm::vec3 mini = glm::vec3(INFINITY, INFINITY, INFINITY);
-    glm::vec3 maxi = glm::vec3(-INFINITY, -INFINITY, -INFINITY);
+    glm::vec3 mini(INFINITY);
+    glm::vec3 maxi(-INFINITY);
+    for (const auto& v : model->m_Vertices) {
+        mini = glm::min(mini, v.Position);
 	for (unsigned int i = 0; i < modelRes->NumberOfVertices(); i++) {
 		const auto& v = modelRes->Vertices()[i];
-        const auto& wPos = modelMatrix * glm::vec4(v.Position.x, v.Position.y, v.Position.z, 1);
-        maxi.x = std::max(wPos.x, maxi.x);
-        maxi.y = std::max(wPos.y, maxi.y);
-        maxi.z = std::max(wPos.z, maxi.z);
-        mini.x = std::min(wPos.x, mini.x);
-        mini.y = std::min(wPos.y, mini.y);
-        mini.z = std::min(wPos.z, mini.z);
     }
-    collision["Origin"] = 0.5f * (maxi + mini);
-    collision["Size"] = maxi - mini;
+
+    entity.AttachComponent("AABB");
+    entity["AABB"]["Origin"] = 0.5f * (maxi + mini);
+    entity["AABB"]["Size"] = maxi - mini;
     return true;
 }
 

src/Engine/Collision/CollisionSystem.cpp

@@ -1,6 +1,7 @@
 #include "Collision/Collision.h"
 #include "Collision/CollisionSystem.h"
 #include "Core/AABB.h"
+#include "Rendering/Model.h"
 
 void CollisionSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& component, double dt)
 {
@@ -19,39 +20,48 @@ void CollisionSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& c
     // Collide against octree items
     m_OctreeResult.clear();
     m_Octree->ObjectsInSameRegion(*boundingBox, m_OctreeResult);
+    bool everHitTheGround = false;
     for (auto& boxB : m_OctreeResult) {
         glm::vec3 resolutionVector;
         if (boxA.Entity == boxB.Entity) {
             continue;
         }
 
-        if (Collision::AABBVsAABB(boxA, boxB, resolutionVector)) {
+        if (boxB.Entity.HasComponent("Model") && Collision::AABBVsAABB(boxA, boxB)) {
+            //Here we know boxB is a entity with Collideable, AABB, and Model.
+            RawModel* model;
+            try {
+                model = ResourceManager::Load<RawModel, true>(boxB.Entity["Model"]["Resource"]);
+            } catch (const std::exception&) {
+                continue;
+            }
+
+            glm::mat4 modelMatrix = Transform::ModelMatrix(boxB.Entity);
+
+            glm::vec3 inOutVelocity = (glm::vec3)cPhysics["Velocity"];
+            bool isOnGround = (bool)cPhysics["IsOnGround"];
+            float verticalStepHeight = (float)(double)cPhysics["VerticalStepHeight"];
+            if (Collision::AABBvsTriangles(boxA, model->m_Vertices, model->m_Indices, modelMatrix, inOutVelocity, verticalStepHeight, isOnGround, resolutionVector)) {
+                (glm::vec3&)cTransform["Position"] += resolutionVector;
+                cPhysics["Velocity"] = inOutVelocity;
+                if (isOnGround) {
+                    everHitTheGround = true;
+                    (bool)cPhysics["IsOnGround"] = true;
+                }
+            }
+        } else if (Collision::AABBVsAABB(boxA, boxB, resolutionVector)) {
+            //Enter here if boxB has no Model.
             (glm::vec3&)cTransform["Position"] += resolutionVector;
             if (resolutionVector.y > 0) {
+                everHitTheGround = true;
+                (bool)cPhysics["IsOnGround"] = true;
                 ((glm::vec3&)cPhysics["Velocity"]).y = 0.f;
             }
         }
     }
 
-    // HACK: Temporarily collide against all collidable models since they're not in the octree yet
-    //auto otherCollidables = world->GetComponents("Model");
-    //for (auto& cModel : *otherCollidables) {
-    //    if (cModel.EntityID == entity) {
-    //        continue;
-    //    }
-    //    if (!world->HasComponent(cModel.EntityID, "Collidable")) {
-    //        continue;
-    //    }
-
-    //    auto absPosition = RenderQueueFactory::AbsolutePosition(world, cModel.EntityID);
-    //    auto absOrientation = RenderQueueFactory::AbsoluteOrientation(world, cModel.EntityID);
-    //    auto absScale = RenderQueueFactory::AbsoluteScale(world, cModel.EntityID);
-    //    glm::mat4 modelMatrix = glm::translate(absPosition); // *glm::toMat4(absOrientation) * glm::scale(absScale);
-
-    //    auto model = ResourceManager::Load<Model>(cModel["Resource"]);
-    //    glm::vec3 resolutionVector;
-    //    if (Collision::AABBvsTriangles(boxA, model->m_Vertices, model->m_Indices, modelMatrix, resolutionVector)) {
-    //        (glm::vec3&)cTransform["Position"] += resolutionVector;
-    //    }
-    //}
-}
+    //This should apply air friction and such, iff zero models were hit.
+    if (!everHitTheGround) {
+        (bool)cPhysics["IsOnGround"] = false;
+    }
+}

src/Engine/Collision/FillOctreeSystem.cpp

@@ -0,0 +1,20 @@
+#include "Collision/FillOctreeSystem.h"
+
+void FillOctreeSystem::Update(double dt)
+{
+    m_Octree->ClearDynamicObjects();
+}
+
+void FillOctreeSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& component, double dt)
+{
+    if (!entity.HasComponent("AABB")) {
+        //Derive AABB from model.
+        if (!Collision::AttachAABBComponentFromModel(entity)) {
+            return;
+        }
+    }
+    boost::optional<EntityAABB> absoluteAABB = Collision::EntityAbsoluteAABB(entity);
+    if (absoluteAABB) {
+        m_Octree->AddDynamicObject(*absoluteAABB);
+    }
+}

src/Engine/Collision/TriggerSystem.cpp

@@ -6,6 +6,10 @@
 void TriggerSystem::UpdateComponent(EntityWrapper& triggerEntity, ComponentWrapper& cTrigger, double dt)
 {
     // The trigger *should* have a bounding box, or something, to test against so it can be triggered.
+    // If it doesn't, add one as big as the model for now, then size can be modified in editor if necessary.
+    if (!triggerEntity.HasComponent("AABB")) {
+        Collision::AttachAABBComponentFromModel(triggerEntity);
+    }
     boost::optional<EntityAABB> triggerBox = Collision::EntityAbsoluteAABB(triggerEntity);
     if (!triggerBox) {
         return;

src/Engine/Core/EntityWrapper.cpp

@@ -16,6 +16,15 @@ bool EntityWrapper::HasComponent(const std::string& componentName)
     return World->HasComponent(ID, componentName);
 }
 
+void EntityWrapper::AttachComponent(const char* componentName)
+{
+    if (!Valid()) {
+        LOG_WARNING("Could not attach \"%s\" component to #%i, entity is not valid.", componentName, ID);
+        return;
+    }
+    World->AttachComponent(ID, componentName);
+}
+
 EntityWrapper EntityWrapper::Parent()
 {
     if (this->World == nullptr || this->ID == EntityID_Invalid) {

src/Engine/Core/Octree.cpp

@@ -275,9 +275,4 @@ std::vector<int> Child::childIndicesContainingBox(const AABB& box) const
     }
 }
 
-bool Child::hasChildren() const
-{
-    return m_Children[0] != nullptr;
-}
-
 }

src/Engine/Core/Transform.cpp

@@ -97,3 +97,7 @@ glm::mat4 Transform::ModelMatrix(EntityID entity, World* world)
     return modelMatrix;
 }
 
+glm::vec3 Transform::TransformPoint(const glm::vec3& point, const glm::mat4& matrix)
+{
+    return glm::vec3(matrix * glm::vec4(point.x, point.y, point.z, 1));
+}

src/Engine/Editor/EditorRenderSystem.cpp

@@ -56,9 +56,9 @@ void EditorRenderSystem::Update(double dt)
             for (auto matGroup : model->MaterialGroups()) {
                 std::shared_ptr<ModelJob> modelJob = std::make_shared<ModelJob>(model, scene.Camera, modelMatrix, matGroup, cModel, entity.World, glm::vec4(0), 0.f);
                 if (cModel["Transparent"]) {
-                    scene.TransparentObjects.push_back(modelJob);
+                    scene.Jobs.TransparentObjects.push_back(modelJob);
                 } else {
-                    scene.OpaqueObjects.push_back(modelJob);
+                    scene.Jobs.OpaqueObjects.push_back(modelJob);
                 }
             }
         }
@@ -75,7 +75,7 @@ void EditorRenderSystem::Update(double dt)
             EntityWrapper entity(m_World, cPointLight.EntityID);
             ComponentWrapper& cTransform = entity["Transform"];
             std::shared_ptr<PointLightJob> pointLightJob = std::make_shared<PointLightJob>(cTransform, cPointLight, entity.World);
-            scene.PointLightJobs.push_back(pointLightJob);
+            scene.Jobs.PointLight.push_back(pointLightJob);
         }
     }
 

src/Engine/Rendering/DrawColorCorrectionPass.cpp

@@ -6,8 +6,6 @@ DrawColorCorrectionPass::DrawColorCorrectionPass(IRenderer* renderer)
 
     m_ScreenQuad = ResourceManager::Load<Model>("Models/Core/ScreenQuad.mesh");
 
-    //m_Exposure = 0.4; //TODO: Renderer: Fixa så att denna går att ändra på genom komponent eller setting.
-
     InitializeShaderPrograms();
 }
 
@@ -20,7 +18,7 @@ void DrawColorCorrectionPass::InitializeShaderPrograms()
     m_ColorCorrectionProgram->Link();
 }
 
-void DrawColorCorrectionPass::Draw(GLuint sceneTexture, GLuint bloomTexture, GLfloat gamma, GLfloat exposure)
+void DrawColorCorrectionPass::Draw(GLuint sceneTexture, GLuint bloomTexture, GLuint sceneTextureLowRes, GLuint bloomTextureLowRes, GLfloat gamma, GLfloat exposure)
 {
     //glBindFramebuffer(GL_FRAMEBUFFER, 0);
     GLERROR("DrawScreenQuadPass::Draw: Pre");
@@ -35,6 +33,10 @@ void DrawColorCorrectionPass::Draw(GLuint sceneTexture, GLuint bloomTexture, GLf
     glBindTexture(GL_TEXTURE_2D, sceneTexture);
     glActiveTexture(GL_TEXTURE1);
     glBindTexture(GL_TEXTURE_2D, bloomTexture);
+    glActiveTexture(GL_TEXTURE2);
+    glBindTexture(GL_TEXTURE_2D, sceneTextureLowRes);
+    glActiveTexture(GL_TEXTURE3);
+    glBindTexture(GL_TEXTURE_2D, bloomTextureLowRes);
 
     glBindVertexArray(m_ScreenQuad->VAO);
     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_ScreenQuad->ElementBuffer);

src/Engine/Rendering/DrawFinalPass.cpp

@@ -2,8 +2,10 @@
 
 DrawFinalPass::DrawFinalPass(IRenderer* renderer, LightCullingPass* lightCullingPass)
 {
+    //TODO: Make sure that uniforms are not sent into shader if not needed.
     m_Renderer = renderer;
     m_LightCullingPass = lightCullingPass;
+    m_ShieldPixelRate = 8;
     InitializeTextures();
     InitializeShaderPrograms();
     InitializeFrameBuffers();
@@ -21,18 +23,39 @@ void DrawFinalPass::InitializeFrameBuffers()
 {
     glGenRenderbuffers(1, &m_DepthBuffer);
     glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer);
-    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
+    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
+    GLERROR("RenderBuffer generation");
 
     GenerateTexture(&m_SceneTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
     //GenerateTexture(&m_BloomTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewPortSize().Width, m_Renderer->GetViewPortSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
     GenerateTexture(&m_BloomTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
     //GenerateMipMapTexture(&m_BloomTexture, GL_CLAMP_TO_EDGE, glm::vec2(m_Renderer->GetViewPortSize().Width, m_Renderer->GetViewPortSize().Height), GL_RGB16F, GL_FLOAT, 4);
+    //GenerateTexture(&m_StencilTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_STENCIL, GL_STENCIL_INDEX8, GL_INT);
 
-    m_FinalPassFrameBuffer.AddResource(std::shared_ptr<BufferResource>(new RenderBuffer(&m_DepthBuffer, GL_DEPTH_ATTACHMENT)));
+    m_FinalPassFrameBuffer.AddResource(std::shared_ptr<BufferResource>(new RenderBuffer(&m_DepthBuffer, GL_DEPTH_STENCIL_ATTACHMENT)));
+    //m_FinalPassFrameBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_StencilTexture, GL_STENCIL_ATTACHMENT)));
     m_FinalPassFrameBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_SceneTexture, GL_COLOR_ATTACHMENT0)));
     m_FinalPassFrameBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_BloomTexture, GL_COLOR_ATTACHMENT1)));
     m_FinalPassFrameBuffer.Generate();
+    GLERROR("FBO generation");
 
+    glGenRenderbuffers(1, &m_DepthBufferLowRes);
+    glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBufferLowRes);
+    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, (int)(m_Renderer->GetViewportSize().Width/m_ShieldPixelRate), (int)(m_Renderer->GetViewportSize().Height/m_ShieldPixelRate));
+    GLERROR("RenderBufferLowRes generation");
+
+    GenerateTexture(&m_SceneTextureLowRes, GL_CLAMP_TO_EDGE, GL_NEAREST, glm::vec2((int)(m_Renderer->GetViewportSize().Width/m_ShieldPixelRate), (int)(m_Renderer->GetViewportSize().Height/m_ShieldPixelRate)), GL_RGB16F, GL_RGB, GL_FLOAT);
+    //GenerateTexture(&m_BloomTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewPortSize().Width, m_Renderer->GetViewPortSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
+    GenerateTexture(&m_BloomTextureLowRes, GL_CLAMP_TO_EDGE, GL_NEAREST, glm::vec2((int)(m_Renderer->GetViewportSize().Width/m_ShieldPixelRate), (int)(m_Renderer->GetViewportSize().Height/m_ShieldPixelRate)), GL_RGB16F, GL_RGB, GL_FLOAT);
+    //GenerateMipMapTexture(&m_BloomTexture, GL_CLAMP_TO_EDGE, glm::vec2(m_Renderer->GetViewPortSize().Width, m_Renderer->GetViewPortSize().Height), GL_RGB16F, GL_FLOAT, 4);
+    //GenerateTexture(&m_StencilTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_STENCIL, GL_STENCIL_INDEX8, GL_INT);
+
+    m_FinalPassFrameBufferLowRes.AddResource(std::shared_ptr<BufferResource>(new RenderBuffer(&m_DepthBufferLowRes, GL_DEPTH_STENCIL_ATTACHMENT)));
+    //m_FinalPassFrameBufferLowRes.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_StencilTexture, GL_STENCIL_ATTACHMENT)));
+    m_FinalPassFrameBufferLowRes.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_SceneTextureLowRes, GL_COLOR_ATTACHMENT0)));
+    m_FinalPassFrameBufferLowRes.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_BloomTextureLowRes, GL_COLOR_ATTACHMENT1)));
+    m_FinalPassFrameBufferLowRes.Generate();
+    GLERROR("FBO2 generation");
 }
 
 void DrawFinalPass::InitializeShaderPrograms()
@@ -111,6 +134,20 @@ void DrawFinalPass::InitializeShaderPrograms()
 	m_ForwardPlusSplatMapSkinnedProgram->BindFragDataLocation(1, "bloomColor");
 	m_ForwardPlusSplatMapSkinnedProgram->Link();
 	GLERROR("Creating Forward SplatMap Skinned program");
+	
+    m_ShieldToStencilProgram = ResourceManager::Load<ShaderProgram>("#ShieldToStencilProgram");
+    m_ShieldToStencilProgram->AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/ShieldStencil.vert.glsl")));
+    m_ShieldToStencilProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/ShieldStencil.frag.glsl")));
+    m_ShieldToStencilProgram->Compile();
+    m_ShieldToStencilProgram->Link();
+    GLERROR("Creating Shield program");
+
+    m_FillDepthBufferProgram = ResourceManager::Load<ShaderProgram>("#FillDepthBufferProgram");
+    m_FillDepthBufferProgram->AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/FillDepthBuffer.vert.glsl")));
+    m_FillDepthBufferProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/FillDepthBuffer.frag.glsl")));
+    m_FillDepthBufferProgram->Compile();
+    m_FillDepthBufferProgram->Link();
+    GLERROR("Creating DepthFill program");
 }
 
 void DrawFinalPass::Draw(RenderScene& scene)
@@ -121,20 +158,92 @@ void DrawFinalPass::Draw(RenderScene& scene)
     if (scene.ClearDepth) {
         glClear(GL_DEPTH_BUFFER_BIT);
     }
+    //TODO: Do we need check for this or will it be per scene always?
+    glClearStencil(0x00);
+    glClear(GL_STENCIL_BUFFER_BIT);
 
-    DrawModelRenderQueues(scene.OpaqueObjects, scene);
+    //Fill depth buffer
+
+
+    state->StencilMask(0x00);
+    DrawModelRenderQueues(scene.Jobs.OpaqueObjects, scene);
     GLERROR("OpaqueObjects");
-    DrawModelRenderQueues(scene.TransparentObjects, scene);
+    DrawModelRenderQueues(scene.Jobs.TransparentObjects, scene);
     GLERROR("TransparentObjects");
 
-    delete state;
+    //DrawStencilState* stencilState = new DrawStencilState(m_FinalPassFrameBuffer.GetHandle());
+    //Draw shields to stencil pass
+    state->StencilFunc(GL_ALWAYS, 1, 0xFF);
+    state->StencilMask(0xFF);
+    DrawShieldToStencilBuffer(scene.Jobs.ShieldObjects, scene);
+    GLERROR("StencilPass");
+
+    //Draw Opaque shielded objects
+    state->StencilFunc(GL_NOTEQUAL, 1, 0xFF);
+    state->StencilMask(0x00);
+    DrawShieldedModelRenderQueue(scene.Jobs.OpaqueShieldedObjects, scene);
+    GLERROR("Shielded Opaque object");
+
+    //Draw Transparen Shielded objects
+    DrawShieldedModelRenderQueue(scene.Jobs.TransparentShieldedObjects, scene);
+    GLERROR("Shielded Transparent objects");
+
     GLERROR("END");
+    delete state;
+
+
+    DrawFinalPassState* stateLowRes = new DrawFinalPassState(m_FinalPassFrameBufferLowRes.GetHandle());
+    //Draw the lowres texture that will be shown behind the shield.
+    stateLowRes->Enable(GL_SCISSOR_TEST);
+    stateLowRes->Enable(GL_DEPTH_TEST);
+    //TODO: Viewports and scissor should be in state
+    glViewport(0, 0, m_Renderer->GetViewportSize().Width/m_ShieldPixelRate, m_Renderer->GetViewportSize().Height/m_ShieldPixelRate);
+    glScissor(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
+
+    glClearStencil(0x00);
+    glClear(GL_STENCIL_BUFFER_BIT);
+
+    //TODO: This should not be here...
+    stateLowRes->StencilFunc(GL_ALWAYS, 1, 0xFF);
+    stateLowRes->StencilMask(0x00);
+    DrawToDepthBuffer(scene.Jobs.OpaqueObjects, scene);
+    DrawToDepthBuffer(scene.Jobs.TransparentObjects, scene);
+
+    //Draw shields to stencil pass
+    stateLowRes->StencilFunc(GL_ALWAYS, 1, 0xFF);
+    stateLowRes->StencilMask(0xFF);
+    stateLowRes->Enable(GL_DEPTH_TEST);
+    DrawShieldToStencilBuffer(scene.Jobs.ShieldObjects, scene);
+    GLERROR("StencilPass");
+
+    glClear(GL_DEPTH_BUFFER_BIT);
+
+    stateLowRes->Enable(GL_DEPTH_TEST);
+    stateLowRes->StencilFunc(GL_LEQUAL, 1, 0xFF);
+    stateLowRes->StencilMask(0x00);
+    DrawModelRenderQueues(scene.Jobs.OpaqueObjects, scene);
+    GLERROR("OpaqueObjects");
+    DrawModelRenderQueues(scene.Jobs.TransparentObjects, scene);
+    GLERROR("TransparentObjects");
+    glViewport(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
+    glScissor(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
+    delete stateLowRes;
 }
 
 
 void DrawFinalPass::ClearBuffer()
 {
+    m_FinalPassFrameBufferLowRes.Bind();
+    glViewport(0, 0, m_Renderer->GetViewportSize().Width/m_ShieldPixelRate, m_Renderer->GetViewportSize().Height/m_ShieldPixelRate);
+    glScissor(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
+    glClearColor(0.f, 0.f, 0.f, 0.f);
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glDisable(GL_SCISSOR_TEST);
+    m_FinalPassFrameBufferLowRes.Unbind();
+
     m_FinalPassFrameBuffer.Bind();
+    glViewport(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
+    glScissor(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
     glClearColor(0.f, 0.f, 0.f, 0.f);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     m_FinalPassFrameBuffer.Unbind();
@@ -166,7 +275,7 @@ void DrawFinalPass::GenerateMipMapTexture(GLuint* texture, GLenum wrapping, glm:
     GLERROR("MipMap Texture initialization failed");
 }
 
-void DrawFinalPass::DrawModelRenderQueues(std::list<std::shared_ptr<RenderJob>>& job, RenderScene& scene)
+void DrawFinalPass::DrawModelRenderQueues(std::list<std::shared_ptr<RenderJob>>& jobs, RenderScene& scene)
 {
     GLuint forwardHandle = m_ForwardPlusProgram->GetHandle();
     GLERROR("forwardHandle");
@@ -189,10 +298,125 @@ void DrawFinalPass::DrawModelRenderQueues(std::list<std::shared_ptr<RenderJob>>&
     glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, m_LightCullingPass->LightGridSSBO());
     glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, m_LightCullingPass->LightIndexSSBO());
 
-    for(auto &job : job)
+    for(auto &job : jobs)
     {
         auto explosionEffectJob = std::dynamic_pointer_cast<ExplosionEffectJob>(job);
         if(explosionEffectJob) {
+            //Bind program
+            if(GLERROR("Prebind")) {
+                continue;
+            }
+            m_ExplosionEffectProgram->Bind();
+            if(GLERROR("BindProgram")) {
+                continue;
+            }
+
+            glDisable(GL_CULL_FACE);
+
+            //Bind uniforms
+            BindExplosionUniforms(explosionHandle, explosionEffectJob, scene);
+            if(GLERROR("BindExplosionUniforms")) {
+                continue;
+            }
+
+            if (explosionEffectJob->Model->m_RawModel->m_Skeleton != nullptr) {
+
+                if (explosionEffectJob->Animation != nullptr) {
+                    std::vector<glm::mat4> frameBones = explosionEffectJob->Skeleton->GetFrameBones(*explosionEffectJob->Animation, explosionEffectJob->AnimationTime);
+                    glUniformMatrix4fv(glGetUniformLocation(explosionHandle, "Bones"), frameBones.size(), GL_FALSE, glm::value_ptr(frameBones[0]));
+                }
+            }
+            if(GLERROR("Animation")) {
+                continue;
+            }
+
+            //bind textures
+            BindExplosionTextures(explosionEffectJob);
+            if(GLERROR("BindExplosionTextures")) {
+                continue;
+            }
+            //draw
+            glBindVertexArray(explosionEffectJob->Model->VAO);
+            glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, explosionEffectJob->Model->ElementBuffer);
+            glDrawElements(GL_TRIANGLES, explosionEffectJob->EndIndex - explosionEffectJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(explosionEffectJob->StartIndex*sizeof(unsigned int)));
+            glEnable(GL_CULL_FACE);
+            if(GLERROR("explosion effect end")) {
+                continue;
+            }
+
+        } else {
+            auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
+            if (modelJob) {
+                //bind forward program
+                m_ForwardPlusProgram->Bind();
+                glUniform2f(glGetUniformLocation(forwardHandle, "ScreenDimensions"), m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
+
+                //bind uniforms
+                BindModelUniforms(forwardHandle, modelJob, scene);
+
+                //bind textures
+                BindModelTextures(modelJob);
+
+                if (modelJob->Model->m_RawModel->m_Skeleton != nullptr) {
+
+                    if (modelJob->Animation != nullptr) {
+                        std::vector<glm::mat4> frameBones = modelJob->Skeleton->GetFrameBones(*modelJob->Animation, modelJob->AnimationTime);
+                        glUniformMatrix4fv(glGetUniformLocation(forwardHandle, "Bones"), frameBones.size(), GL_FALSE, glm::value_ptr(frameBones[0]));
+                    }
+                }
+
+                //draw
+                glBindVertexArray(modelJob->Model->VAO);
+                glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
+                glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex*sizeof(unsigned int)));
+                if(GLERROR("models end")) {
+                    continue;
+                }
+            }
+        }
+    }
+
+}
+
+
+void DrawFinalPass::DrawShieldToStencilBuffer(std::list<std::shared_ptr<RenderJob>>& jobs, RenderScene& scene)
+{
+    m_ShieldToStencilProgram->Bind();
+    GLuint shaderHandle = m_ShieldToStencilProgram->GetHandle();
+
+    glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ViewMatrix()));
+    glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ProjectionMatrix()));
+
+    for (auto &job : jobs) {
+        auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
+        if (modelJob) {
+            glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
+
+
+            glBindVertexArray(modelJob->Model->VAO);
+            glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
+            glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex*sizeof(unsigned int)));
+            if (GLERROR("models end")) {
+                continue;
+            }
+        }
+    }
+}
+
+void DrawFinalPass::DrawShieldedModelRenderQueue(std::list<std::shared_ptr<RenderJob>>& jobs, RenderScene& scene)
+{
+    GLuint forwardHandle = m_ForwardPlusProgram->GetHandle();
+    GLERROR("forwardHandle");
+    GLuint explosionHandle = m_ExplosionEffectProgram->GetHandle();
+    GLERROR("explosionHandle");
+
+    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, m_LightCullingPass->LightSSBO());
+    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, m_LightCullingPass->LightGridSSBO());
+    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, m_LightCullingPass->LightIndexSSBO());
+
+    for (auto &job : jobs) {
+        auto explosionEffectJob = std::dynamic_pointer_cast<ExplosionEffectJob>(job);
+        if (explosionEffectJob) {
 			switch (explosionEffectJob->Type) {
 				case RawModel::MaterialType::Basic:
 				case RawModel::MaterialType::SingleTextures:
@@ -331,12 +555,44 @@ void DrawFinalPass::DrawModelRenderQueues(std::list<std::shared_ptr<RenderJob>>&
                 glBindVertexArray(modelJob->Model->VAO);
                 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
                 glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex*sizeof(unsigned int)));
-                if(GLERROR("models end")) {
+                if (GLERROR("models end")) {
                     continue;
                 }
             }
         }
     }
+}
+
+
+void DrawFinalPass::DrawToDepthBuffer(std::list<std::shared_ptr<RenderJob>>& jobs, RenderScene& scene)
+{
+    m_FillDepthBufferProgram->Bind();
+    GLuint shaderHandle = m_FillDepthBufferProgram->GetHandle();
+    glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ViewMatrix()));
+    glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ProjectionMatrix()));
+
+    for (auto &job : jobs) {
+        auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
+      
+        //bind uniforms
+        glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
+
+        if (modelJob->Model->m_RawModel->m_Skeleton != nullptr) {
+
+            if (modelJob->Animation != nullptr) {
+                std::vector<glm::mat4> frameBones = modelJob->Skeleton->GetFrameBones(*modelJob->Animation, modelJob->AnimationTime);
+                glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "Bones"), frameBones.size(), GL_FALSE, glm::value_ptr(frameBones[0]));
+            }
+        }
+
+        //draw
+        glBindVertexArray(modelJob->Model->VAO);
+        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
+        glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex*sizeof(unsigned int)));
+        if (GLERROR("models end")) {
+            continue;
+        }
+    }
 
 }
 

src/Engine/Rendering/DrawFinalPassState.cpp

@@ -1,6 +1,7 @@
 #include "Rendering/DrawFinalPassState.h"
 
 
+
 DrawFinalPassState::DrawFinalPassState(GLuint frameBuffer)
 {
     BindFramebuffer(frameBuffer);
@@ -8,6 +9,10 @@ DrawFinalPassState::DrawFinalPassState(GLuint frameBuffer)
     BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     Enable(GL_DEPTH_TEST);
     Enable(GL_CULL_FACE);
+    Enable(GL_STENCIL_TEST);
+    StencilFunc(GL_NOTEQUAL, 1, 0xFF);
+    StencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+    StencilMask(0xFF);
     ClearColor(glm::vec4(0.f, 0.f, 0.f, 0.f));
 }
 
@@ -15,3 +20,20 @@ DrawFinalPassState::~DrawFinalPassState()
 {
 
 }
+
+DrawStencilState::DrawStencilState(GLuint frameBuffer)
+{
+    BindFramebuffer(frameBuffer);
+    Enable(GL_STENCIL_TEST);
+    StencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+    StencilFunc(GL_ALWAYS, 1, 0xFF);
+    StencilMask(0xFF);
+    Enable(GL_DEPTH_TEST);
+    ClearColor(glm::vec4(0.f));
+}
+
+DrawStencilState::~DrawStencilState()
+{
+
+}
+

src/Engine/Rendering/FrameBuffer.cpp

@@ -39,10 +39,13 @@ void FrameBuffer::AddResource(std::shared_ptr<BufferResource> resource)
 
 void FrameBuffer::Generate()
 {
+    GLERROR("PRE");
+
     std::vector<GLenum> attachments;
 
     glGenFramebuffers(1, &m_BufferHandle);
     glBindFramebuffer(GL_FRAMEBUFFER, m_BufferHandle);
+    GLERROR("1");
 
     for (auto it = m_Resources.begin(); it != m_Resources.end(); it++) {
         switch ((*it)->m_ResourceType) {
@@ -56,20 +59,30 @@ void FrameBuffer::Generate()
             GLERROR("FrameBuffer generate: glFramebufferRenderbuffer");
             break;
         }
-        
+        GLERROR("2");
 
-        if ((*it)->m_Attachment != GL_DEPTH_ATTACHMENT) {
+        if ((*it)->m_Attachment != GL_DEPTH_ATTACHMENT && (*it)->m_Attachment != GL_STENCIL_ATTACHMENT && (*it)->m_Attachment != GL_DEPTH_STENCIL_ATTACHMENT) {
             attachments.push_back((*it)->m_Attachment);
         }
+        GLERROR("Attachment");
+
     }
-        
+    GLERROR("3");
+
+
     GLenum* bufferTextures = &attachments[0];
     glDrawBuffers(attachments.size(), bufferTextures);
+    if(GLERROR("4")) {
+        printf("hello");
+    }
 
     if (GLenum frameBufferStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
-        LOG_ERROR("FrameBuffer incomplete: 0x%x\n", frameBufferStatus);
+        GLERROR("Framebuffer incomplete");
+        //LOG_ERROR("FrameBuffer incomplete: 0x%x\n", frameBufferStatus);
         exit(EXIT_FAILURE);
     }
+    GLERROR("END");
+
 }
 
 void FrameBuffer::Bind()

src/Engine/Rendering/LightCullingPass.cpp

@@ -16,7 +16,7 @@ LightCullingPass::~LightCullingPass()
 
 void LightCullingPass::GenerateNewFrustum(RenderScene& scene)
 {
-    if (scene.PointLightJobs.size() == 0)
+    if (scene.Jobs.PointLight.size() == 0)
         return;
 
     GLERROR("CalculateFrustum Error: Pre");
@@ -83,7 +83,7 @@ void LightCullingPass::FillLightList(RenderScene& scene)
 {
     m_LightSources.clear();
 
-    for(auto &job : scene.PointLightJobs) {
+    for(auto &job : scene.Jobs.PointLight) {
         auto pointLightjob = std::dynamic_pointer_cast<PointLightJob>(job);
         if (pointLightjob) {
             LightSource p;
@@ -97,7 +97,7 @@ void LightCullingPass::FillLightList(RenderScene& scene)
             m_LightSources.push_back(p);
         }
     }
-    for(auto &job : scene.DirectionalLightJobs) {
+    for(auto &job : scene.Jobs.DirectionalLight) {
         auto directionalLightJob = std::dynamic_pointer_cast<DirectionalLightJob>(job);
         if(directionalLightJob) {
             LightSource p;

src/Engine/Rendering/PickingPass.cpp

@@ -65,7 +65,7 @@ void PickingPass::Draw(RenderScene& scene)
     }
     m_Camera = scene.Camera;
 
-    for (auto &job : scene.OpaqueObjects) {
+    for (auto &job : scene.Jobs.OpaqueObjects) {
         auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
 
         if (modelJob) {
@@ -152,7 +152,99 @@ void PickingPass::Draw(RenderScene& scene)
         }
     }
 
-    for (auto &job : scene.TransparentObjects) {
+    for (auto &job : scene.Jobs.TransparentObjects) {
+        auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
+
+        if (modelJob) {
+            int pickColor[2] = { m_ColorCounter[0], m_ColorCounter[1] };
+
+            PickingInfo pickInfo;
+            pickInfo.Entity = modelJob->Entity;
+            pickInfo.World = modelJob->World;
+            pickInfo.Camera = scene.Camera;
+
+            auto color = m_EntityColors.find(std::make_tuple(pickInfo.Entity, pickInfo.World, pickInfo.Camera));
+            if (color != m_EntityColors.end()) {
+                pickColor[0] = color->second[0];
+                pickColor[1] = color->second[1];
+            } else {
+                m_EntityColors[std::make_tuple(pickInfo.Entity, pickInfo.World, pickInfo.Camera)] = glm::ivec2(pickColor[0], pickColor[1]);
+                if (m_ColorCounter[0] > 255) {
+                    m_ColorCounter[0] = 0;
+                    m_ColorCounter[1] += 1;
+                } else {
+                    m_ColorCounter[0] += 1;
+                }
+            }
+
+            m_PickingColorsToEntity[glm::ivec2(pickColor[0], pickColor[1])] = pickInfo;
+
+            glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
+            glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ViewMatrix()));
+            glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ProjectionMatrix()));
+            glUniform2fv(glGetUniformLocation(shaderHandle, "PickingColor"), 1, glm::value_ptr(glm::vec2(pickColor[0], pickColor[1])));
+
+            if (modelJob->Model->m_RawModel->m_Skeleton != nullptr) {
+
+                if (modelJob->Animation != nullptr) {
+                    std::vector<glm::mat4> frameBones = modelJob->Skeleton->GetFrameBones(*modelJob->Animation, modelJob->AnimationTime);
+                    glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "Bones"), frameBones.size(), GL_FALSE, glm::value_ptr(frameBones[0]));
+                }
+            }
+
+            glBindVertexArray(modelJob->Model->VAO);
+            glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
+            glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex * sizeof(unsigned int)));
+        }
+    }
+
+    for (auto &job : scene.Jobs.OpaqueShieldedObjects) {
+        auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
+
+        if (modelJob) {
+            int pickColor[2] = { m_ColorCounter[0], m_ColorCounter[1] };
+
+            PickingInfo pickInfo;
+            pickInfo.Entity = modelJob->Entity;
+            pickInfo.World = modelJob->World;
+            pickInfo.Camera = scene.Camera;
+
+            auto color = m_EntityColors.find(std::make_tuple(pickInfo.Entity, pickInfo.World, pickInfo.Camera));
+            if (color != m_EntityColors.end()) {
+                pickColor[0] = color->second[0];
+                pickColor[1] = color->second[1];
+            } else {
+                m_EntityColors[std::make_tuple(pickInfo.Entity, pickInfo.World, pickInfo.Camera)] = glm::ivec2(pickColor[0], pickColor[1]);
+                if (m_ColorCounter[0] > 255) {
+                    m_ColorCounter[0] = 0;
+                    m_ColorCounter[1] += 1;
+                } else {
+                    m_ColorCounter[0] += 1;
+                }
+            }
+
+            m_PickingColorsToEntity[glm::ivec2(pickColor[0], pickColor[1])] = pickInfo;
+
+            glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
+            glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ViewMatrix()));
+            glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ProjectionMatrix()));
+            glUniform2fv(glGetUniformLocation(shaderHandle, "PickingColor"), 1, glm::value_ptr(glm::vec2(pickColor[0], pickColor[1])));
+
+            if (modelJob->Model->m_RawModel->m_Skeleton != nullptr) {
+
+                if (modelJob->Animation != nullptr) {
+                    std::vector<glm::mat4> frameBones = modelJob->Skeleton->GetFrameBones(*modelJob->Animation, modelJob->AnimationTime);
+                    glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "Bones"), frameBones.size(), GL_FALSE, glm::value_ptr(frameBones[0]));
+                }
+            }
+
+            glBindVertexArray(modelJob->Model->VAO);
+            glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
+            glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex * sizeof(unsigned int)));
+        }
+    }
+
+    for (auto &job : scene.Jobs.TransparentShieldedObjects) {
         auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
 
         if (modelJob) {

src/Engine/Rendering/RenderState.cpp

@@ -6,9 +6,10 @@ bool RenderState::Enable(GLenum cap)
         //LOG_WARNING("Trying to enable somthing that is already enabled.");
         return false;
     }
+
     m_ResetFunctions.push_back(std::bind(glDisable, cap));
     glEnable(cap);
-    return !GLERROR("RenderState::Enable");
+    return !GLERROR("Enable");
 }
 
 bool RenderState::Disable(GLenum cap)
@@ -16,9 +17,10 @@ bool RenderState::Disable(GLenum cap)
     if (!glIsEnabled(cap)) {
         return false;
     }
+
     m_ResetFunctions.push_back(std::bind(glEnable, cap));
     glDisable(cap);
-    return !GLERROR("RenderState::Disable");
+    return !GLERROR("Disable");
 }
 
 bool RenderState::CullFace(GLenum mode)
@@ -32,7 +34,7 @@ bool RenderState::CullFace(GLenum mode)
     glGetIntegerv(GL_CULL_FACE_MODE, &original);
     m_ResetFunctions.push_back(std::bind(glCullFace, original));
     glCullFace(mode);
-    return !GLERROR("RenderState::CullFace");
+    return !GLERROR("CullFace");
 }
 
 bool RenderState::ClearColor(glm::vec4 color)
@@ -41,7 +43,7 @@ bool RenderState::ClearColor(glm::vec4 color)
     glGetFloatv(GL_COLOR_CLEAR_VALUE, &original[0]);
     m_ResetFunctions.push_back(std::bind(glClearColor, original[0], original[1], original[2], original[3]));
     glClearColor(color.r, color.g, color.b, color.a);
-    return !GLERROR("RenderState::ClearColor");
+    return !GLERROR("ClearColor");
 }
 
 bool RenderState::BindFramebuffer(GLint framebuffer)
@@ -55,7 +57,7 @@ bool RenderState::BindFramebuffer(GLint framebuffer)
         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, originalDraw); 
     });
     glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
-    return !GLERROR("RenderState::BindBuffer");
+    return !GLERROR("BindBuffer");
 }
 
 
@@ -67,7 +69,7 @@ bool RenderState::BlendEquation(GLenum mode)
     glGetIntegerv(GL_BLEND_EQUATION_ALPHA, &originalAlpha);
     m_ResetFunctions.push_back(std::bind(glBlendEquationSeparate, originalRGB, originalAlpha));
     glBlendEquation(mode);
-    return !GLERROR("RenderState::BlendEquation");
+    return !GLERROR("BlendEquation");
 }
 
 bool RenderState::BlendFunc(GLenum sfactor, GLenum dfactor)
@@ -82,7 +84,46 @@ bool RenderState::BlendFunc(GLenum sfactor, GLenum dfactor)
     glGetIntegerv(GL_BLEND_DST_ALPHA, &originalDestAlpha);
     m_ResetFunctions.push_back(std::bind(glBlendFuncSeparate, originalSrcRGB, originalSrcAlpha, originalDestRGB, originalDestAlpha));
     glBlendFunc(sfactor, dfactor);
-    return !GLERROR("RenderState::BlendFunc");
+    return !GLERROR("BlendFunc");
+}
+
+
+bool RenderState::StencilOp(GLenum sfail, GLenum dpfail, GLenum dppass)
+{
+    GLint originalSFail;
+    glGetIntegerv(GL_STENCIL_FAIL, &originalSFail);
+    GLint originalDPFail;
+    glGetIntegerv(GL_STENCIL_PASS_DEPTH_FAIL, &originalDPFail);
+    GLint originalDPPass;
+    glGetIntegerv(GL_STENCIL_PASS_DEPTH_PASS, &originalDPPass);
+    m_ResetFunctions.push_back(std::bind(glStencilOp, originalSFail, originalDPFail, originalDPPass));
+    glStencilOp(sfail, dpfail, dppass);
+    return !GLERROR("StencilOp");
+}
+
+
+bool RenderState::StencilFunc(GLenum func, GLint ref, GLuint mask)
+{
+    GLint originalFunc;
+    glGetIntegerv(GL_STENCIL_FUNC, &originalFunc);
+    GLint originalRef;
+    glGetIntegerv(GL_STENCIL_REF, &originalRef);
+    GLint originalMask;
+    glGetIntegerv(GL_STENCIL_VALUE_MASK, &originalMask);
+    m_ResetFunctions.push_back(std::bind(glStencilFunc, originalFunc, originalRef, originalMask));
+    glStencilFunc(func, ref, mask);
+    return !GLERROR("StencilFunc");
+}
+
+
+
+bool RenderState::StencilMask(GLuint mask)
+{
+    GLint originalMask;
+    glGetIntegerv(GL_STENCIL_WRITEMASK, &originalMask);
+    m_ResetFunctions.push_back(std::bind(glStencilMask, mask));
+    glStencilMask(mask);
+    return !GLERROR("StencilMask");
 }
 
 bool RenderState::DepthMask(GLboolean flag)
@@ -91,12 +132,12 @@ bool RenderState::DepthMask(GLboolean flag)
     glGetBooleanv(GL_DEPTH_WRITEMASK, &original);
     m_ResetFunctions.push_back(std::bind(glDepthMask, original));
     glDepthMask(flag);
-    return !GLERROR("RenderState::DepthMask");
+    return !GLERROR("DepthMask");
 }
 
 RenderState::~RenderState()
 {
-    for (auto& f : m_ResetFunctions) {
+    for (auto& f : boost::adaptors::reverse(m_ResetFunctions)) {
         f();
     }
 }

src/Engine/Rendering/RenderSystem.cpp

@@ -40,7 +40,7 @@ bool RenderSystem::isChildOfCurrentCamera(EntityWrapper entity)
     return entity == m_CurrentCamera || entity.IsChildOf(m_CurrentCamera);
 }
 
-void RenderSystem::fillModels(std::list<std::shared_ptr<RenderJob>>& opaqueJobs, std::list<std::shared_ptr<RenderJob>>& transparentJobs)
+void RenderSystem::fillModels(RenderScene::Queues &Jobs)
 {
     auto models = m_World->GetComponents("Model");
     if (models == nullptr) {
@@ -92,7 +92,9 @@ void RenderSystem::fillModels(std::list<std::shared_ptr<RenderJob>>& opaqueJobs,
         }
 
         glm::mat4 modelMatrix = Transform::ModelMatrix(cModel.EntityID, m_World);
+        //Loop through all materialgroups of a model
         for (auto matGroup : model->MaterialGroups()) {
+            //If the model has an explosioneffect component, we will add an explosioneffectjob
             if (m_World->HasComponent(cModel.EntityID, "ExplosionEffect")) {
                 auto explosionEffectComponent = m_World->GetComponent(cModel.EntityID, "ExplosionEffect");
                 std::shared_ptr<ExplosionEffectJob> explosionEffectJob = std::shared_ptr<ExplosionEffectJob>(new ExplosionEffectJob(
@@ -106,15 +108,35 @@ void RenderSystem::fillModels(std::list<std::shared_ptr<RenderJob>>& opaqueJobs,
                     fillColor, 
                     fillPercentage
                 ));
-                if(explosionEffectJob->Color.a != 1.f || explosionEffectJob->EndColor.a != 1.f || explosionEffectJob->DiffuseColor.a != 1.f) {
-                    cModel["Transparent"] = true;
-                }
+                if (m_World->HasComponent(cModel.EntityID, "Shield")){
+                TODO Calc hash
+                    Jobs.ShieldObjects.push_back(explosionEffectJob);
+                } else if (m_World->HasComponent(cModel.EntityID, "Shielded")
+                    || m_World->HasComponent(cModel.EntityID, "Player")) {
 
-                if (cModel["Transparent"]) {
-                    transparentJobs.push_back(explosionEffectJob);
-                } else {
+                    if (explosionEffectJob->Color.a != 1.f || explosionEffectJob->EndColor.a != 1.f || explosionEffectJob->DiffuseColor.a != 1.f) {
+                        cModel["Transparent"] = true;
+                    }
+
+                    if (cModel["Transparent"]) {
+                    TODO: Calc hash
+                        Jobs.TransparentShieldedObjects.push_back(explosionEffectJob);
+                    } else {
 					explosionEffectJob->CalculateHash();
-                    opaqueJobs.push_back(explosionEffectJob);
+                        Jobs.OpaqueShieldedObjects.push_back(explosionEffectJob);
+                    }
+                } else {
+                    if (explosionEffectJob->Color.a != 1.f || explosionEffectJob->EndColor.a != 1.f || explosionEffectJob->DiffuseColor.a != 1.f) {
+                        cModel["Transparent"] = true;
+                    }
+
+                    if (cModel["Transparent"]) {
+                    TODO CALC HASH
+                        Jobs.TransparentObjects.push_back(explosionEffectJob);
+                    } else {
+                    TODO CALC HASH
+                        Jobs.OpaqueObjects.push_back(explosionEffectJob);
+                    }
                 }
             } else {
                 std::shared_ptr<ModelJob> modelJob = std::shared_ptr<ModelJob>(new ModelJob(
@@ -127,14 +149,35 @@ void RenderSystem::fillModels(std::list<std::shared_ptr<RenderJob>>& opaqueJobs,
                     fillColor, 
                     fillPercentage
                 ));
-                if (modelJob->Color.a != 1.f || modelJob->DiffuseColor.a != 1.f) {
-                    cModel["Transparent"] = true;
-                }
-                if (cModel["Transparent"]) {
-                    transparentJobs.push_back(modelJob);
-                } else {
+                if (m_World->HasComponent(cModel.EntityID, "Shield")) {
+                TODO: CALC HASH
+                    Jobs.ShieldObjects.push_back(modelJob);
+                } else if (m_World->HasComponent(cModel.EntityID, "Shielded")
+                    || m_World->HasComponent(cModel.EntityID, "Player")) {
+
+                    if (modelJob->Color.a != 1.f || modelJob->DiffuseColor.a != 1.f) {
+                        cModel["Transparent"] = true;
+                    }
+
+                    if (cModel["Transparent"]) {
+                    TODO CALC HASH
+                        Jobs.TransparentShieldedObjects.push_back(modelJob);
+                    } else {
 					modelJob->CalculateHash();
-                    opaqueJobs.push_back(modelJob);
+                        Jobs.OpaqueShieldedObjects.push_back(modelJob);
+                    }
+                } else {
+                    if (modelJob->Color.a != 1.f || modelJob->DiffuseColor.a != 1.f) {
+                        cModel["Transparent"] = true;
+                    }
+
+                    if (cModel["Transparent"]) {
+                    CALC HASH
+                        Jobs.TransparentObjects.push_back(modelJob);
+                    } else {
+                    CALC HASH
+                        Jobs.OpaqueObjects.push_back(modelJob);
+                    }
                 }
             }
         }
@@ -253,11 +296,11 @@ void RenderSystem::Update(double dt)
         scene.AmbientColor = (glm::vec4)(*cSceneLight->begin())["AmbientColor"];
     }
 
-    fillModels(scene.OpaqueObjects, scene.TransparentObjects);
+    fillModels(scene.Jobs);
+    fillPointLights(scene.Jobs.PointLight, m_World);
 	scene.OpaqueObjects.sort();
-    fillPointLights(scene.PointLightJobs, m_World);
-    fillDirectionalLights(scene.DirectionalLightJobs, m_World);
-    fillText(scene.TextJobs, m_World);
+    fillDirectionalLights(scene.Jobs.DirectionalLight, m_World);
+    fillText(scene.Jobs.Text, m_World);
     m_RenderFrame->Add(scene);
    
 }

src/Engine/Rendering/Renderer.cpp

@@ -93,7 +93,7 @@ void Renderer::Update(double dt)
 
 void Renderer::Draw(RenderFrame& frame)
 {
-    ImGui::Combo("Draw textures", &m_DebugTextureToDraw, "Final\0Scene\0Bloom\0Gaussian\0Picking");
+    ImGui::Combo("Draw textures", &m_DebugTextureToDraw, "Final\0Scene\0Bloom\0SceneLowRes\0BloomLowRes\0Gaussian\0Picking");
     //clear buffer 0
     glClearColor(0.f, 0.f, 0.f, 0.f);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -120,7 +120,7 @@ void Renderer::Draw(RenderFrame& frame)
     }
     m_DrawBloomPass->Draw(m_DrawFinalPass->BloomTexture());
     if (m_DebugTextureToDraw == 0) {
-        m_DrawColorCorrectionPass->Draw(m_DrawFinalPass->SceneTexture(), m_DrawBloomPass->GaussianTexture(), frame.Gamma, frame.Exposure);
+        m_DrawColorCorrectionPass->Draw(m_DrawFinalPass->SceneTexture(), m_DrawBloomPass->GaussianTexture(), m_DrawFinalPass->SceneTextureLowRes(), m_DrawFinalPass->BloomTextureLowRes(), frame.Gamma, frame.Exposure);
     }
     if (m_DebugTextureToDraw == 1) {
         m_DrawScreenQuadPass->Draw(m_DrawFinalPass->SceneTexture());
@@ -129,9 +129,15 @@ void Renderer::Draw(RenderFrame& frame)
         m_DrawScreenQuadPass->Draw(m_DrawFinalPass->BloomTexture());
     }
     if (m_DebugTextureToDraw == 3) {
-        m_DrawScreenQuadPass->Draw(m_DrawBloomPass->GaussianTexture());
+        m_DrawScreenQuadPass->Draw(m_DrawFinalPass->SceneTextureLowRes());
     }
     if (m_DebugTextureToDraw == 4) {
+        m_DrawScreenQuadPass->Draw(m_DrawFinalPass->BloomTextureLowRes());
+    }
+    if (m_DebugTextureToDraw == 5) {
+        m_DrawScreenQuadPass->Draw(m_DrawBloomPass->GaussianTexture());
+    }
+    if (m_DebugTextureToDraw == 6) {
         m_DrawScreenQuadPass->Draw(m_PickingPass->PickingTexture());
     }
 
@@ -154,7 +160,7 @@ void Renderer::InitializeTextures()
 void Renderer::SortRenderJobsByDepth(RenderScene &scene)
 {
     //Sort all forward jobs so transparency is good.
-    scene.TransparentObjects.sort(Renderer::DepthSort);
+    scene.Jobs.TransparentObjects.sort(Renderer::DepthSort);
 }
 
 void Renderer::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type)

src/Engine/Rendering/TextPass.cpp

@@ -35,7 +35,7 @@ void TextPass::Draw(RenderScene& scene, FrameBuffer& frameBuffer)
 {
     GLERROR("Derp1");
     TextPassState* state = new TextPassState(frameBuffer.GetHandle());
-    for (auto &job : scene.TextJobs) {
+    for (auto &job : scene.Jobs.Text) {
         auto textJob = std::dynamic_pointer_cast<TextJob>(job);
         if (textJob) {