diff --git a/games/snake.cpp b/games/snake.cpp index 5cd6e2cd..8ca4d5dc 100644 --- a/games/snake.cpp +++ b/games/snake.cpp @@ -32,12 +32,13 @@ #include #include +#include + const int width = 80; const int height = 25; const int buffersize = height * width; -int vgafd; uint16_t frame[width*height]; int posx; @@ -93,41 +94,9 @@ void Reset() speed = defaultspeed; } -bool FlushVGA() -{ - if ( lseek(vgafd, 0, SEEK_SET) < 0) - return false; - return writeall(vgafd, frame, sizeof(frame)) == sizeof(frame); -} - int Init() { - bool has_vga_mode_set = true; - FILE* modefp = fopen("/dev/video/mode", "r"); - if ( modefp ) - { - char* mode = NULL; - size_t modesize; - if ( 0 <= getline(&mode, &modesize, modefp) ) - { - if ( strcmp(mode, "driver=none\n") != 0 ) - has_vga_mode_set = false; - free(mode); - } - fclose(modefp); - } - - if ( !has_vga_mode_set ) - { - fprintf(stderr, "Sorry, this game only works in VGA mode.\n"); - return 1; - } - - vgafd = open("/dev/vga", O_RDWR); - if ( vgafd < 0 ) { error(0, errno, "unable to open vga device /dev/vga"); return 1; } - Reset(); - return 0; } @@ -229,6 +198,9 @@ void Update() int main(int argc, char* argv[]) { + if ( !dispd_initialize(&argc, &argv) ) + error(1, 0, "couldn't initialize dispd library"); + for ( int i = 1; i < argc; i++ ) { if ( strcmp("--tabhack", argv[i]) == 0 ) { tabhack = true; } @@ -237,12 +209,25 @@ int main(int argc, char* argv[]) int result = Init(); if ( result != 0 ) { return result; } + struct dispd_session* session = dispd_attach_default_session(); + if ( !session ) + error(1, 0, "couldn't attach to dispd default session"); + if ( !dispd_session_setup_game_vga(session) ) + error(1, 0, "couldn't setup dispd vga session"); + struct dispd_window* window = dispd_create_window_game_vga(session); + if ( !window ) + error(1, 0, "couldn't create dispd vga window"); + // Update the game every once in a while. while ( true ) { usleep(speed * 1000); Update(); - FlushVGA(); + struct dispd_framebuffer* fb = dispd_begin_render(window); + if ( !fb ) + error(1, 0, "unable to begin rendering dispd window"); + memcpy(dispd_get_framebuffer_data(fb), frame, sizeof(frame)); + dispd_finish_render(fb); } return 0;