// what is exported from main: what submodules need to know // typically very very little extern int frameNumber; extern int GameHasFinishedAndResultsNeedDisplayingFlag; #define PLAY_ON_INNER_SIMPLE_OUTER_TEXTURE 1 #define PLAY_ON_INNER_FLASH_OUTER_TEXTURE 2 #define PLAY_ON_OUTER_ONLY 3 #define PLAY_ON_BOTH_SURFACES 4 extern int BackgroundGraphicsFlag;