147 lines
3.7 KiB
C++
147 lines
3.7 KiB
C++
#include <surface/system.hpp>
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#include <utility>
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namespace lt::surface {
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System::System(Ref<ecs::Registry> registry, Ref<app::EventMediator> event_mediator)
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: m_registry(std::move(registry))
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, m_event_mediator(std::move(event_mediator))
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{
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ensure(m_registry, "Failed to initialize surface system: null registry");
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ensure(
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m_registry->view<SurfaceComponent>().size() == 0,
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"Failed to initialize surface system: registry has surface component(s)"
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);
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m_registry->get_entt_registry()
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.on_construct<SurfaceComponent>()
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.connect<&System::on_surface_construct>(this);
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m_registry->get_entt_registry()
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.on_update<SurfaceComponent>()
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.connect<&System::on_surface_update>(this);
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m_registry->get_entt_registry()
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.on_destroy<SurfaceComponent>()
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.connect<&System::on_surface_destroy>(this);
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}
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System::~System()
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{
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m_registry->get_entt_registry()
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.on_construct<SurfaceComponent>()
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.disconnect<&System::on_surface_construct>(this);
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m_registry->get_entt_registry()
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.on_update<SurfaceComponent>()
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.connect<&System::on_surface_update>(this);
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m_registry->get_entt_registry()
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.on_destroy<SurfaceComponent>()
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.disconnect<&System::on_surface_destroy>(this);
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m_registry->view<SurfaceComponent>().each([&](const entt::entity entity, SurfaceComponent &) {
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m_registry->get_entt_registry().remove<SurfaceComponent>(entity);
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});
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}
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void System::on_surface_construct(entt::registry ®istry, entt::entity entity)
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{
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try
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{
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auto &surface = registry.get<SurfaceComponent>(entity);
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const auto &resolution = surface.get_resolution();
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const auto &position = surface.get_position();
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ensure_component_sanity(surface);
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}
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catch (...)
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{
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registry.remove<SurfaceComponent>(entity);
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throw;
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}
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}
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void System::on_surface_update(entt::registry ®istry, entt::entity entity)
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{
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auto &surface = registry.get<SurfaceComponent>(entity);
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}
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void System::on_surface_destroy(entt::registry ®istry, entt::entity entity)
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{
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auto &surface = registry.get<SurfaceComponent>(entity);
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}
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void System::set_title(ecs::Entity entity, std::string_view new_title)
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{
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auto &surface = entity.get_component<SurfaceComponent>();
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surface.m_title = new_title;
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}
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auto System::tick() -> bool
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{
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return false;
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}
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void System::set_size(ecs::Entity surface_entity, const math::uvec2 &new_size)
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{
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auto &surface = surface_entity.get_component<SurfaceComponent>();
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surface.m_resolution = new_size;
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}
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void System::set_v_sync(ecs::Entity surface_entity, bool vsync)
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{
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auto &surface = surface_entity.get_component<SurfaceComponent>();
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surface.m_vsync = vsync;
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}
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void System::set_visibility(ecs::Entity surface_entity, bool visible)
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{
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auto &surface = surface_entity.get_component<SurfaceComponent>();
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surface.m_visible = visible;
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if (visible)
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{
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}
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else
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{
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}
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}
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void System::ensure_component_sanity(const SurfaceComponent &component)
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{
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auto [width, height] = component.get_resolution();
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ensure(width != 0u, "Received bad values for surface component: width({}) == 0", width);
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ensure(height != 0u, "Received bad values for surface component: height({}) == 0", height);
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ensure(
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width < SurfaceComponent::max_dimension,
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"Received bad values for surface component: width({}) > max_dimension({})",
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width,
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SurfaceComponent::max_dimension
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);
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ensure(
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height < SurfaceComponent::max_dimension,
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"Received bad values for surface component: height({}) > max_dimension({})",
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height,
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SurfaceComponent::max_dimension
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);
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ensure(
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component.get_title().size() < SurfaceComponent::max_title_length,
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"Received bad values for surface component: title.size({}) > max_title_length({})",
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component.get_title().size(),
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SurfaceComponent::max_title_length
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);
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}
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} // namespace lt::surface
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namespace lt {
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} // namespace lt
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