### - t -

- TILE_HEIGHT : tile_type.h
- TILE_PIXELS : tile_type.h
- TILE_SIZE : tile_type.h
- TIME_BETWEEN_DOUBLE_CLICK : window.cpp
- TL_2X2_GRID : town_type.h
- TL_3X3_GRID : town_type.h
- TL_BETTER_ROADS : town_type.h
- TL_NO_ROADS : town_type.h
- TL_ORIGINAL : town_type.h
- TO_BRIDGES : transparency.h
- TO_BUILDINGS : transparency.h
- TO_CATENARY : transparency.h
- TO_HOUSES : transparency.h
- TO_INDUSTRIES : transparency.h
- TO_LOADING : transparency.h
- TO_SIGNS : transparency.h
- TO_STRUCTURES : transparency.h
- TO_TREES : transparency.h
- TOWN_HAS_CHURCH : town.h
- TOWN_HAS_STADIUM : town.h
- TOWN_IS_FUNDED : town.h
- TP_IMPROVED : tree_cmd.cpp
- TP_NONE : tree_cmd.cpp
- TP_ORIGINAL : tree_cmd.cpp
- TRACK_BEGIN : track_type.h
- TRACK_BIT_3WAY_NE : track_type.h
- TRACK_BIT_3WAY_NW : track_type.h
- TRACK_BIT_3WAY_SE : track_type.h
- TRACK_BIT_3WAY_SW : track_type.h
- TRACK_BIT_ALL : track_type.h
- TRACK_BIT_CROSS : track_type.h
- TRACK_BIT_DEPOT : track_type.h
- TRACK_BIT_HORZ : track_type.h
- TRACK_BIT_LEFT : track_type.h
- TRACK_BIT_LOWER : track_type.h
- TRACK_BIT_MASK : track_type.h
- TRACK_BIT_NONE : track_type.h
- TRACK_BIT_RIGHT : track_type.h
- TRACK_BIT_UPPER : track_type.h
- TRACK_BIT_VERT : track_type.h
- TRACK_BIT_WORMHOLE : track_type.h
- TRACK_BIT_X : track_type.h
- TRACK_BIT_Y : track_type.h
- TRACK_END : track_type.h
- TRACK_LEFT : track_type.h
- TRACK_LOWER : track_type.h
- TRACK_RIGHT : track_type.h
- TRACK_UPPER : track_type.h
- TRACK_X : track_type.h
- TRACK_Y : track_type.h
- TRACKDIR_BEGIN : track_type.h
- TRACKDIR_BIT_LEFT_N : track_type.h
- TRACKDIR_BIT_LEFT_S : track_type.h
- TRACKDIR_BIT_LOWER_E : track_type.h
- TRACKDIR_BIT_LOWER_W : track_type.h
- TRACKDIR_BIT_MASK : track_type.h
- TRACKDIR_BIT_NONE : track_type.h
- TRACKDIR_BIT_RIGHT_N : track_type.h
- TRACKDIR_BIT_RIGHT_S : track_type.h
- TRACKDIR_BIT_UPPER_E : track_type.h
- TRACKDIR_BIT_UPPER_W : track_type.h
- TRACKDIR_BIT_X_NE : track_type.h
- TRACKDIR_BIT_X_SW : track_type.h
- TRACKDIR_BIT_Y_NW : track_type.h
- TRACKDIR_BIT_Y_SE : track_type.h
- TRACKDIR_END : track_type.h
- TRACKDIR_LEFT_N : track_type.h
- TRACKDIR_LEFT_S : track_type.h
- TRACKDIR_LOWER_E : track_type.h
- TRACKDIR_LOWER_W : track_type.h
- TRACKDIR_RIGHT_N : track_type.h
- TRACKDIR_RIGHT_S : track_type.h
- TRACKDIR_RVREV_NE : track_type.h
- TRACKDIR_RVREV_NW : track_type.h
- TRACKDIR_RVREV_SE : track_type.h
- TRACKDIR_RVREV_SW : track_type.h
- TRACKDIR_UPPER_E : track_type.h
- TRACKDIR_UPPER_W : track_type.h
- TRACKDIR_X_NE : track_type.h
- TRACKDIR_X_SW : track_type.h
- TRACKDIR_Y_NW : track_type.h
- TRACKDIR_Y_SE : track_type.h
- TRANSPARENT_BIT : sprites.h
- TREE_CACTUS : tree_map.h
- TREE_COUNT_RAINFOREST : tree_map.h
- TREE_COUNT_SUB_ARCTIC : tree_map.h
- TREE_COUNT_SUB_TROPICAL : tree_map.h
- TREE_COUNT_TEMPERATE : tree_map.h
- TREE_COUNT_TOYLAND : tree_map.h
- TREE_GROUND_GRASS : tree_map.h
- TREE_GROUND_ROUGH : tree_map.h
- TREE_GROUND_SHORE : tree_map.h
- TREE_GROUND_SNOW_DESERT : tree_map.h
- TREE_INVALID : tree_map.h
- TREE_RAINFOREST : tree_map.h
- TREE_SUB_ARCTIC : tree_map.h
- TREE_SUB_TROPICAL : tree_map.h
- TREE_TEMPERATE : tree_map.h
- TREE_TOYLAND : tree_map.h
- TROPICZONE_DESERT : tile_type.h
- TROPICZONE_NORMAL : tile_type.h
- TROPICZONE_RAINFOREST : tile_type.h
- TS_ARTICULATED_PART : train.h
- TS_ENGINE : train.h
- TS_FREE_WAGON : train.h
- TS_FRONT : train.h
- TS_MULTIHEADED : train.h
- TS_WAGON : train.h