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#include "illuminator.h"
#include "gfx/gl/sceneShader.h"
#include "gfx/models/texture.h" // IWYU pragma: keep
#include "util.h"
#include <location.h>
static_assert(std::is_constructible_v<Illuminator>);
std::weak_ptr<glVertexArray> Illuminator::commonInstanceVAO;
std::any
Illuminator::createAt(const Location & position) const
{
return std::make_shared<InstanceVertices<InstanceVertex>::InstanceProxy>(
instances.acquire(locationData->acquire(position)));
}
bool
Illuminator::SpotLight::persist(Persistence::PersistenceStore & store)
{
return STORE_TYPE && STORE_MEMBER(position) && STORE_MEMBER(direction) && STORE_MEMBER(colour) && STORE_MEMBER(kq)
&& STORE_MEMBER(arc);
}
bool
Illuminator::PointLight::persist(Persistence::PersistenceStore & store)
{
return STORE_TYPE && STORE_MEMBER(position) && STORE_MEMBER(colour) && STORE_MEMBER(kq);
}
bool
Illuminator::persist(Persistence::PersistenceStore & store)
{
return STORE_TYPE && STORE_HELPER(bodyMesh, Asset::MeshConstruct)
&& STORE_HELPER(pointLight, Persistence::Appender<decltype(pointLight)>)
&& STORE_HELPER(spotLight, Persistence::Appender<decltype(spotLight)>) && Asset::persist(store);
}
void
Illuminator::postLoad()
{
if (spotLight.empty() && pointLight.empty()) {
throw std::logic_error {"Illuminator has no lights"};
}
texture = getTexture();
glDebugScope _ {0};
if (createIfRequired(instanceVAO, commonInstanceVAO)) {
bodyMesh->configureVAO(*instanceVAO, 0).addAttribs<InstanceVertex, &InstanceVertex::location>(1);
}
}
void
Illuminator::render(const SceneShader & shader, const Frustum &) const
{
if (const auto count = instances.size()) {
glDebugScope _ {*instanceVAO};
shader.basicInst.use();
if (texture) {
texture->bind(0);
}
instanceVAO->useBuffer(1, instances);
bodyMesh->drawInstanced(*instanceVAO, static_cast<GLsizei>(count));
}
}
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