#include <td/Maths.h>
#include <td/render/renderer/WorldRenderer.h>

#include <td/render/loader/WorldLoader.h>

#include <imgui.h>

namespace td {
namespace render {

WorldRenderer::WorldRenderer(Camera& a_Camera, const game::WorldPtr& a_World) : Renderer(a_Camera) {
	m_WorldVao = std::make_unique<GL::VertexArray>(WorldLoader::LoadWorldModel(a_World.get()));
}

WorldRenderer::~WorldRenderer() {}

void WorldRenderer::UpdateControls() {
	if (ImGui::IsMouseDown(ImGuiMouseButton_Left)) {
		constexpr float sensitivity = 1.0f;
		float delta = ImGui::GetIO().DeltaTime;
		auto mouseDelta = ImGui::GetIO().MouseDelta;
		m_Camera.SetCamPos(m_Camera.GetCamPos() + Vec3f{-mouseDelta.x * delta * sensitivity, 0, -mouseDelta.y * delta * sensitivity});
	}
}

void WorldRenderer::Render(float a_Lerp) {
	UpdateControls();
	m_Shader->Start();
	Renderer::Render(*m_WorldVao);
}

}  // namespace render
}  // namespace td