Method LoadWalls

PanzerChasm/map_loader.cpp:273–368

}

void MapLoader::LoadWalls(
	const Vfs::FileContent& map_file,
	MapData& map_data,
	const DynamicWallsMask& dynamic_walls_mask,
	const unsigned char* walls_lightmap_data )
{
	const unsigned int c_walls_offset= 0x18001u;

	for( unsigned int y= 0u; y < MapData::c_map_size; y++ )
	for( unsigned int x= 0u; x < MapData::c_map_size; x++ )
	{
		const bool is_dynamic= dynamic_walls_mask[ x + y * MapData::c_map_size ];
		MapData::IndexElement& index_element= map_data.map_index[ x + y * MapData::c_map_size ];

		const MapWall& map_wall=
			*reinterpret_cast<const MapWall*>( map_file.data() + c_walls_offset + sizeof(MapWall) * ( y + x * MapData::c_map_size ) );

		if( map_wall.texture_id == 0u )
		{
			// Trash
			continue;
		}
		if( map_wall.texture_id >= 128u )
		{
			const unsigned int c_first_item= 131u;
			const unsigned int c_first_model= 163u;

			if( map_wall.texture_id == 250u )
			{
				// Many walls have thist texture id. I don`t know, what is that. Lights, maybe?
			}
			else if( map_wall.texture_id >= c_first_model + 64u )
			{
				// Presumably, levels have no more, then 64 models.
			}
			else if( map_wall.texture_id >= c_first_model )
			{
				// Presumably, this is mask of difficulty.
				// bit 0 - easy, 1 - normal, 2 - hard, 3 - deathmatch
				const unsigned int difficulty_levels_mask= map_wall.vert_coord[1][0] & 7u;
				PC_UNUSED( difficulty_levels_mask );

				map_data.static_models.emplace_back();
				MapData::StaticModel& model= map_data.static_models.back();
				model.pos.x= float(map_wall.vert_coord[0][0]) * g_map_coords_scale;
				model.pos.y= float(map_wall.vert_coord[0][1]) * g_map_coords_scale;
				model.angle= float(map_wall.unknown & 7u) / 8.0f * Constants::two_pi + Constants::pi;
				model.model_id= map_wall.texture_id - c_first_model;
				model.difficulty_flags= map_wall.vert_coord[1][0];
				model.is_dynamic= is_dynamic;

				index_element.type= MapData::IndexElement::StaticModel;
				index_element.index= map_data.static_models.size() - 1u;
			}
			else if( map_wall.texture_id >= c_first_item )
			{
				map_data.items.emplace_back();
				MapData::Item& item= map_data.items.back();