Initial Commit

src/Engine/Level/Scene.cpp

@@ -0,0 +1,86 @@
+#include "Engine/Level/Scene.h"
+
+bool Scene::EntityListContains(const Entity* entity) const {
+    for (auto* e : EntityList)
+        if (e == entity)
+            return true;
+    return false;
+}
+
+bool Scene::FixedListContains(const Fixed* fixed) const {
+    for (auto* f : FixedList)
+        if (f == fixed)
+            return true;
+    return false;
+}
+
+size_t Scene::FixedCount() const {
+    return FixedList.size();
+}
+
+size_t Scene::EntityCount() const {
+    return EntityList.size();
+}
+
+void Scene::Update() {
+    for (auto& e : EntityList)
+        e->Update();
+}
+
+void Scene::Render() {
+    for (auto& f : FixedList)
+        if (f->Enabled())
+            f->Render();
+
+    // TODO Render order. In this system it's not possible for child entities to be rendered before the parent.
+    for (auto& e : EntityList)
+        if (auto* r = dynamic_cast<Renderable*>(e))
+            r->Render();
+
+    if (HeadsUpDisplay)
+        HeadsUpDisplay->Render();
+}
+
+Scene::~Scene() {
+    for (auto* f : FixedList)
+        delete f;
+
+    for (auto* e : EntityList)
+        delete e;
+}
+
+void Scene::AppendEntity(Entity* entity) {
+    if (!EntityListContains(entity))
+        EntityList.push_back(entity);
+}
+
+void Scene::AppendFixed(Fixed* fixed) {
+    if (!FixedListContains(fixed))
+        FixedList.push_back(fixed);
+}
+
+void Scene::DestroyEntity(Entity *entity) {
+    auto it = std::find(EntityList.begin(), EntityList.end(), entity);
+    if (it != EntityList.end())
+        delete *it, EntityList.erase(it);
+}
+
+void Scene::DestroyFixed(Fixed* fixed) {
+    auto it = std::find(FixedList.begin(), FixedList.end(), fixed);
+    if (it != FixedList.end())
+        delete *it, FixedList.erase(it);
+}
+
+void Scene::RemoveEntity(Entity* entity) {
+    auto it = std::find(EntityList.begin(), EntityList.end(), entity);
+    if (it != EntityList.end())
+        EntityList.erase(it);
+}
+
+
+void Scene::RemoveFixed(Fixed* fixed) {
+    auto it = std::find(FixedList.begin(), FixedList.end(), fixed);
+    if (it != FixedList.end())
+        FixedList.erase(it);
+}
+