diff options
Diffstat (limited to 'Plugins/rowca.cpp')
| -rw-r--r-- | Plugins/rowca.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/Plugins/rowca.cpp b/Plugins/rowca.cpp index 5c776ac..de83933 100644 --- a/Plugins/rowca.cpp +++ b/Plugins/rowca.cpp @@ -42,11 +42,19 @@ void draw(const _frame &f); void perform_effect(_frame f, _args a) { - if(!a.s || !a.s[0]) return; + arguments ar(a.s); + if(!ar.count()) { + printf("Usage: rowca <rule of automata, or command>\n"); + printf("Example rule: 001-010-011-100\n"); + printf("Commands: draw, clear\n"); + return; + } + + char *t = ar[0]; - if(strstr(a.s, "0") || strstr(a.s, "1")) iterate(a.s); else - if(strcmp(a.s, "draw")==0) draw(f); else - if(strcmp(a.s, "clear")==0) sv.clear(); + if(strstr(t, "0") || strstr(t, "1")) iterate(t); else + if(strcmp(t, "draw")==0) draw(f); else + if(strcmp(t, "clear")==0) sv.clear(); } void iterate(const char *arg) |