Method create_instances

src/world/render_world.cpp:2050–2097

}

void RenderWorld::MeshManager::create_instances(const void *components_data
	, u32 num
	, const UnitId *unit_lookup
	, const u32 *unit_index
	)
{
	const MeshRendererDesc *meshes = (MeshRendererDesc *)components_data;

	for (u32 i = 0; i < num; ++i) {
		UnitId unit = unit_lookup[unit_index[i]];
		CE_ASSERT(!hash_map::has(_map, unit), "Unit already has a mesh component");

		TransformId ti = _render_world->_scene_graph->instance(unit);
		CE_ASSERT(is_valid(ti), "Mesh Component requires a Transform Component");

		if (_data.size == _data.capacity)
			grow();

		const MeshResource *mr = (MeshResource *)_render_world->_resource_manager->get(RESOURCE_TYPE_MESH, meshes[i].mesh_resource);
		const MeshGeometry *mg = mr->geometry(meshes[i].geometry_name);
		const MaterialResource *mat_res = (MaterialResource *)_render_world->_resource_manager->get(RESOURCE_TYPE_MATERIAL, meshes[i].material_resource);

		_render_world->_material_manager->create_material(mat_res);

		const u32 last = _data.size;

		_data.unit[last]     = unit;
		_data.resource[last] = mr;
		_data.geometry[last] = mg;
		_data.mesh[last].vbh = mg->vertex_buffer;
		_data.mesh[last].ibh = mg->index_buffer;
		_data.material[last] = _render_world->_material_manager->get(mat_res);
		_data.world[last]    = _render_world->_scene_graph->world_pose(ti);
		_data.obb[last]      = mg->obb;
		_data.sphere[last]   = mg->sphere;
		_data.skeleton[last] = NULL;
		_data.flags[last]    = meshes[i].flags | RenderableFlags::DIRTY;
		_data.prev_flags[last] = 0;
#if CROWN_CAN_RELOAD
		_data.material_resource[last] = mat_res;
		_data.geometry_name[last] = meshes[i].geometry_name;
#endif
		_dirty = true;

		hash_map::set(_map, unit, alloc_id(last));
		++_data.size;
	}
}

void RenderWorld::MeshManager::destroy(MeshId mesh)
{