Helios Engine 0.1.0
A modular ECS based data-oriented C++23 game engine
 
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example.cpp
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1#include <helios/example/example.hpp>
2
3#include <helios/core/app/app.hpp>
4#include <helios/core/app/schedules.hpp>
5
6namespace helios::example {
7
8void ExampleSystem::Update(app::SystemContext& ctx) {
9 auto& resource = ctx.WriteResource<ExampleResource>();
10 ++resource.counter;
11}
12
17
18void ExampleModule::Destroy(app::App& /*app*/) {
19 /* No cleanup needed for this simple example */
20}
21
22} // namespace helios::example
helios::app::App
Application class.
Definition app.hpp:97
helios::app::App::InsertResource
auto InsertResource(this auto &&self, T &&resource) -> decltype(std::forward< decltype(self)>(self))
Inserts a resource into the main sub-app.
Definition app.hpp:719
helios::app::App::AddSystem
auto AddSystem(this auto &&self, Schedule schedule={}) -> decltype(std::forward< decltype(self)>(self))
Adds a system to the specified schedule in the main sub-app.
Definition app.hpp:691
helios::app::SystemContext
Per-system execution context with validated access.
Definition system_context.hpp:53
helios::app::SystemContext::WriteResource
T & WriteResource()
Gets mutable reference to a resource.
Definition system_context.hpp:451
helios::app::kUpdate
constexpr Update kUpdate
Definition schedules.hpp:301
helios::example::ExampleModule::Build
void Build(app::App &app) override
Builds the module, adding resources and systems to the app.
Definition example.cpp:13
helios::example::ExampleModule::Destroy
void Destroy(app::App &app) override
Destroys the module, performing cleanup.
Definition example.cpp:18
helios::example::ExampleResource
Example resource to demonstrate module resources.
Definition example.hpp:22
helios::example::ExampleSystem
Example system that increments the counter in ExampleResource.
Definition example.hpp:37
helios::example::ExampleSystem::Update
void Update(app::SystemContext &ctx) override
Updates the system, incrementing the example resource counter.
Definition example.cpp:8