Spawner, SpawnPoint and PlayerSpawn components, and base work on their systems

src/Game/Systems/PlayerSpawnSystem.cpp

@@ -0,0 +1,39 @@
+#include "Systems/PlayerSpawnSystem.h"
+
+PlayerSpawnSystem::PlayerSpawnSystem(EventBroker* eventBroker) 
+    : System(eventBroker)
+{
+    EVENT_SUBSCRIBE_MEMBER(m_OnInputCommand, &PlayerSpawnSystem::OnInputCommand);
+}
+
+void PlayerSpawnSystem::Update(World* world, double dt)
+{
+    auto componentPools = world->GetComponentPools();
+    auto spawnerPool = componentPools.find("Spawner");
+    if (spawnerPool == componentPools.end()) {
+        return;
+    }
+;
+    for (auto& team : m_SpawnRequests) {
+        for (auto& spawner : *spawnerPool->second) {
+            Events::SpawnerSpawn e;
+            e.Spawner = EntityWrapper(world, spawner.EntityID);
+            m_EventBroker->Publish(e);
+        }
+    }
+    m_SpawnRequests.clear();
+}
+
+bool PlayerSpawnSystem::OnInputCommand(const Events::InputCommand& e)
+{
+    if (e.Command != "PickTeam") {
+        return false;
+    }
+
+    if (e.Value != 0) {
+        m_SpawnRequests.push_back((int)e.Value);
+    }
+
+    return true;
+}
+