Made AmmunitionHUD into TextFieldReader which reads any component field on a parent and updates a Text component with the value!

src/Engine/Core/EntityWrapper.cpp

@@ -34,6 +34,18 @@ EntityWrapper EntityWrapper::Parent()
     }
 }
 
+EntityWrapper EntityWrapper::FirstParentByName(const std::string& parentEntityName)
+{
+    EntityWrapper entity = *this;
+    while (entity.Parent().Valid()) {
+        entity = entity.Parent();
+        if (entity.Name() == parentEntityName) {
+            return entity;
+        }
+    }
+    return EntityWrapper::Invalid;
+}
+
 EntityWrapper EntityWrapper::FirstChildByName(const std::string& name)
 {
     return firstChildByNameRecursive(name, this->ID);

src/Game/Game.cpp

@@ -27,7 +27,7 @@
 #include "../Engine/Core/UniformScaleSystem.h"
 #include "Rendering/AnimationSystem.h"
 #include "Network/MultiplayerSnapshotFilter.h"
-#include "Game/Systems/AmmunitionHUDSystem.h"
+#include "Game/Systems/TextFieldReader.h"
 #include "Game/Systems/CapturePointArrowHUDSystem.h"
 #include "Game/Systems/KillFeedSystem.h"
 #include "Game/Systems/BoostSystem.h"
@@ -136,7 +136,7 @@ Game::Game(int argc, char* argv[])
     m_SystemPipeline->AddSystem<PickupSpawnSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<AmmoPickupSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<DamageIndicatorSystem>(updateOrderLevel);
-    m_SystemPipeline->AddSystem<AmmunitionHUDSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<TextFieldReader>(updateOrderLevel);
     m_SystemPipeline->AddSystem<CapturePointArrowHUDSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<KillFeedSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<LifetimeSystem>(updateOrderLevel);
@@ -145,7 +145,7 @@ Game::Game(int argc, char* argv[])
     m_SystemPipeline->AddSystem<PickupSpawnSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<AmmoPickupSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<DamageIndicatorSystem>(updateOrderLevel);
-    m_SystemPipeline->AddSystem<AmmunitionHUDSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<TextFieldReader>(updateOrderLevel);
     m_SystemPipeline->AddSystem<KillFeedSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<BoostSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<ButtonSystem>(updateOrderLevel, m_Renderer);

src/Game/Systems/AmmunitionHUDSystem.cpp

@@ -1,36 +0,0 @@
-#include "Game/Systems/AmmunitionHUDSystem.h"
-
-void AmmunitionHUDSystem::Update(double dt)
-{
-    //Hud element for tracking ammunition from parent with AssaultWeapon component.Child with the name "MagazineAmmo" tracks clip ammunition.Child with the name "Ammo" tracks ammo.</xs:documentation>
-
-    auto ammunitionHUDs = m_World->GetComponents("AmmunitionHUD");
-    if (ammunitionHUDs == nullptr) {
-        return;
-    }
-
-    for (auto& ammunitionHUDComponent : *ammunitionHUDs) {
-        EntityWrapper entity = EntityWrapper(m_World, ammunitionHUDComponent.EntityID);
-
-        EntityWrapper playerEntity = entity.FirstParentWithComponent("AssaultWeapon");
-
-        if (!playerEntity.Valid()) {
-            return;
-        }
-        
-
-        EntityWrapper magazineAmmo = entity.FirstChildByName("MagazineAmmo");
-        if(magazineAmmo.Valid()) {
-            if(magazineAmmo.HasComponent("Text")) {
-                (std::string&)magazineAmmo["Text"]["Content"] = std::to_string((int)playerEntity["AssaultWeapon"]["MagazineAmmo"]);
-            }
-        }
-
-        EntityWrapper ammo = entity.FirstChildByName("Ammo");
-        if (ammo.Valid()) {
-            if (ammo.HasComponent("Text")) {
-                (std::string&)ammo["Text"]["Content"] = std::to_string((int)playerEntity["AssaultWeapon"]["Ammo"]);
-            }
-        }
-    }
-}

src/Game/Systems/TextFieldReader.cpp

@@ -0,0 +1,46 @@
+#include "Game/Systems/TextFieldReader.h"
+
+void TextFieldReader::UpdateComponent(EntityWrapper& entity, ComponentWrapper& cAmmunitionHUD, double dt)
+{
+    if (!entity.HasComponent("Text")) {
+        return;
+    }
+
+    // Find the entity to read from
+    const std::string& parentEntityName = cAmmunitionHUD["ParentEntityName"];
+    EntityWrapper readEntity = entity;
+    if (!parentEntityName.empty()) {
+        readEntity = entity.FirstParentByName(parentEntityName);
+        if (!readEntity.Valid()) {
+            return;
+        }
+    }
+
+    // Find the component to read from
+    const std::string& componentType = cAmmunitionHUD["ComponentType"];
+    if (componentType.empty() || !readEntity.HasComponent(componentType)) {
+        return;
+    }
+    ComponentWrapper component = readEntity[componentType];
+
+    // Find the field to read from
+    const std::string& fieldName = cAmmunitionHUD["Field"];
+    if (fieldName.empty() || component.Info.Fields.count(fieldName) == 0) {
+        return;
+    }
+    const ComponentInfo::Field_t& field = component.Info.Fields.at(fieldName);
+
+    std::string& text = entity["Text"]["Content"];
+
+    if (field.Type == "int") {
+        text = boost::lexical_cast<std::string>((const int&)component[fieldName]);
+    } else if (field.Type == "float") {
+        text = boost::lexical_cast<std::string>((const float&)component[fieldName]);
+    } else if (field.Type == "double") {
+        text = boost::lexical_cast<std::string>((const double&)component[fieldName]);
+    } else if (field.Type == "bool") {
+        text = boost::lexical_cast<std::string>((const bool&)component[fieldName]);
+    } else if (field.Type == "string") {
+        text = (const std::string&)component[fieldName];
+    }
+}