Method render

src/world/render_world.cpp:1203–1838

}

void RenderWorld::render(f32 dt, const Matrix4x4 &view, const Matrix4x4 &proj, const Matrix4x4 &persp, UnitId skydome_unit, DebugLine &dl)
{
	LightManager &lm = _light_manager;
	LightManager::LightInstanceData &lid = lm._data;

	sync_cullable_sets();

	const bgfx::Caps *caps = bgfx::getCaps();
	Matrix4x4 inv_view = view;
	invert(inv_view);
	const Vector3 camera_pos = translation(inv_view);
	const Matrix4x4 view_proj = view * proj;

	// Skydome.
	if (skydome_unit.is_valid()) {
		MeshId skydome_mesh = mesh_instance(skydome_unit);
		const u32 skydome_mesh_i = _mesh_manager.index(skydome_mesh);

		// Copy camera pos to skydome.
		_mesh_manager._data.world[skydome_mesh_i] = from_translation(camera_pos);
		culling_set::update(_cullable_objects
			, CullableType::MESH
			, skydome_mesh_i
			, _mesh_manager._data.sphere[skydome_mesh_i]
			, _mesh_manager._data.world[skydome_mesh_i]
			);

		Material *skydome_material = mesh_material(skydome_mesh);
		skydome_material->set_matrix4x4(STRING_ID_32("u_persp", UINT32_C(0x404ac2c2)), persp);

		// Override skydome texture from global lighting.
		if (_global_lighting_unit.is_valid()) {
			skydome_material->set_texture(STRING_ID_32("u_skydome_map", UINT32_C(0x90e2fdaa)), _global_lighting_desc.skydome_map);
			skydome_material->set_float(STRING_ID_32("u_skydome_intensity", UINT32_C(0x539e93b8)), _global_lighting_desc.skydome_intensity);
		}
	}

	// Frustum culling of visible objects.
	Frustum view_frustum;
	frustum::from_matrix(view_frustum, view_proj, caps->homogeneousDepth, bx::Handedness::Right);
	culling_set::cull_spheres(_cullable_objects, view_frustum, 0, array::size(_cullable_objects.id));
	u32 visible_objects = culling_set::remove_culled(_cullable_objects);
	RECORD_FLOAT("world.visible_objects", (f32)visible_objects);

	// Count sprites for transient buffer allocation and select LOD groups once
	// before render/selection passes consume selected_mesh.
	u32 num_visible_sprites = 0;
	for (u32 ii = 0; ii < visible_objects; ++ii) {
		const u32 i = _cullable_objects.render[ii];
		if (_cullable_objects.type[i] == CullableType::SPRITE)
			++num_visible_sprites;
		else if (_cullable_objects.type[i] == CullableType::LOD_GROUP)
			_lod_group_manager.select_level(_cullable_objects.id[i], view_proj, dt);
	}

	const f32 sy = caps->originBottomLeft ? 0.5f : -0.5f;
	const f32 sz = caps->homogeneousDepth ? 0.5f :  1.0f;
	const f32 tz = caps->homogeneousDepth ? 0.5f :  0.0f;