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

src/Engine/Core/Transform.cpp

@@ -1,162 +0,0 @@
-#include "Core/TransformSystem.h"
-
-std::unordered_map<EntityWrapper, glm::vec3> TransformSystem::PositionCache;
-std::unordered_map<EntityWrapper, glm::quat> TransformSystem::OrientationCache;
-std::unordered_map<EntityWrapper, glm::vec3> TransformSystem::ScaleCache;
-std::unordered_map<EntityWrapper, glm::mat4> TransformSystem::MatrixCache;
-
-int TransformSystem::RecalculatedPositions = 0;
-int TransformSystem::RecalculatedOrientations = 0;
-int TransformSystem::RecalculatedScales = 0;
-
-TransformSystem::TransformSystem(SystemParams params)
-    : System(params)
-{
-    EVENT_SUBSCRIBE_MEMBER(m_EEntityDeleted, &TransformSystem::OnEntityDeleted);
-}
-
-bool TransformSystem::OnEntityDeleted(const Events::EntityDeleted& e)
-{
-    // Clean up deleted entity
-    PositionCache.erase(e.DeletedEntity);
-    OrientationCache.erase(e.DeletedEntity);
-    ScaleCache.erase(e.DeletedEntity);
-    MatrixCache.erase(e.DeletedEntity);
-    return true;
-}
-
-//glm::mat4 Transform::AbsoluteTransformation(EntityWrapper entity)
-//{
-//    glm::mat4 t = glm::mat4(1.f);
-//
-//    while (entity.Valid()) {
-//        t = glm::translate((const glm::vec3&)entity["Transform"]["Position"]) * glm::toMat4(glm::quat((const glm::vec3&)entity["Transform"]["Orientation"])) * glm::scale((const glm::vec3&)entity["Transform"]["Scale"]) * t;
-//        entity = entity.Parent();
-//    }
-//
-//    return t;
-//}
-
-glm::vec3 TransformSystem::AbsolutePosition(World* world, EntityID entity)
-{
-    return TransformSystem::AbsolutePosition(EntityWrapper(world, entity));
-}
-
-glm::vec3 TransformSystem::AbsolutePosition(EntityWrapper entity)
-{
-    if (!entity.Valid()) {
-        return glm::vec3();
-    }
-
-    auto cacheIt = PositionCache.find(entity);
-    ComponentWrapper cTransform = entity["Transform"];
-    ComponentWrapper::SubscriptProxy cTransformPosition = cTransform["Position"];
-    if (cacheIt != PositionCache.end() && !cTransformPosition.Dirty(DirtySetType::Transform)) {
-        return cacheIt->second;
-    } else {
-        EntityWrapper parent = entity.Parent();
-        // Calculate position
-        glm::vec3 position = AbsolutePosition(parent) + TransformSystem::AbsoluteOrientation(parent) * (TransformSystem::AbsoluteScale(parent) * (const glm::vec3&)cTransformPosition);
-        // Cache it
-        PositionCache[entity] = position;
-        RecalculatedPositions++;
-        // Unset dirty flag
-        cTransformPosition.SetDirty(DirtySetType::Transform, false);
-        return position;
-    }
-}
-
-glm::vec3 TransformSystem::AbsoluteOrientationEuler(EntityWrapper entity)
-{
-    glm::vec3 orientation;
-
-    while (entity.Valid()) {
-        ComponentWrapper transform = entity["Transform"];
-        orientation += (Field<glm::vec3>)transform["Orientation"];
-        entity = entity.Parent();
-    }
-
-    return orientation;
-}
-
-glm::quat TransformSystem::AbsoluteOrientation(World* world, EntityID entity)
-{
-    return TransformSystem::AbsoluteOrientation(EntityWrapper(world, entity));
-}
-
-glm::quat TransformSystem::AbsoluteOrientation(EntityWrapper entity)
-{
-    if (!entity.Valid()) {
-        return glm::quat();
-    }
-
-    auto cacheIt = OrientationCache.find(entity);
-    ComponentWrapper cTransform = entity["Transform"];
-    ComponentWrapper::SubscriptProxy cTransformOrientation = cTransform["Orientation"];
-    if (cacheIt != OrientationCache.end() && !cTransformOrientation.Dirty(DirtySetType::Transform)) {
-        return cacheIt->second;
-    } else {
-        EntityWrapper parent = entity.Parent();
-        // Calculate orientation
-        glm::quat orientation = AbsoluteOrientation(parent) * glm::quat((const glm::vec3&)cTransformOrientation);
-        // Cache it
-        OrientationCache[entity] = orientation;
-        RecalculatedOrientations++;
-        // Unset dirty flag
-        cTransformOrientation.SetDirty(DirtySetType::Transform, false);
-        return orientation;
-    }
-}
-
-glm::vec3 TransformSystem::AbsoluteScale(World* world, EntityID entity)
-{
-    return TransformSystem::AbsoluteScale(EntityWrapper(world, entity));
-}
-
-glm::vec3 TransformSystem::AbsoluteScale(EntityWrapper entity)
-{
-    if (!entity.Valid()) {
-        return glm::vec3(1.f);
-    }
-
-    auto cacheIt = ScaleCache.find(entity);
-    ComponentWrapper cTransform = entity["Transform"];
-    ComponentWrapper::SubscriptProxy cTransformScale = cTransform["Scale"];
-    if (cacheIt != ScaleCache.end() && !cTransformScale.Dirty(DirtySetType::Transform)) {
-        return cacheIt->second;
-    } else {
-        EntityWrapper parent = entity.Parent();
-        // Calculate scale
-        glm::vec3 scale = AbsoluteScale(parent) * (const glm::vec3&)cTransformScale;
-        // Cache it
-        ScaleCache[entity] = scale;
-        RecalculatedPositions++;
-        // Unset dirty flag
-        cTransformScale.SetDirty(DirtySetType::Transform, false);
-        return scale;
-    }
-}
-
-glm::mat4 TransformSystem::ModelMatrix(EntityID entityID, World* world)
-{
-    return ModelMatrix(EntityWrapper(world, entityID));
-}
-
-glm::mat4 TransformSystem::ModelMatrix(EntityWrapper entity)
-{
-    auto cacheIt = MatrixCache.find(entity);
-    ComponentWrapper cTransform = entity["Transform"];
-    bool isDirty = cTransform["Position"].Dirty(DirtySetType::Transform) || cTransform["Orientation"].Dirty(DirtySetType::Transform) || cTransform["Scale"].Dirty(DirtySetType::Transform);
-    if (cacheIt != MatrixCache.end() && !isDirty) {
-        return cacheIt->second;
-    } else {
-        glm::mat4 matrix = glm::translate(AbsolutePosition(entity)) * glm::toMat4(AbsoluteOrientation(entity)) * glm::scale(AbsoluteScale(entity));
-        MatrixCache[entity] = matrix;
-        return matrix;
-    }
-}
-
-glm::vec3 TransformSystem::TransformPoint(const glm::vec3& point, const glm::mat4& matrix)
-{
-    return glm::vec3(matrix * glm::vec4(point.x, point.y, point.z, 1));
-}