Document the mouse control method for Cube.

[sgt/puzzles] / puzzles.h

diff --git a/puzzles.h b/puzzles.h
index bf441c6..7b35896 100644 (file)
--- a/puzzles.h
+++ b/puzzles.h
@@ -12,6 +12,8 @@
 #define FALSE 0
 #endif
 
+#define PI 3.141592653589793238462643383279502884197169399
+
 #define lenof(array) ( sizeof(array) / sizeof(*(array)) )
 
 #define STR_INT(x) #x
@@ -227,8 +229,8 @@ struct game {
     char *(*text_format)(game_state *state);
     game_ui *(*new_ui)(game_state *state);
     void (*free_ui)(game_ui *ui);
-    game_state *(*make_move)(game_state *from, game_ui *ui, int x, int y,
-                            int button);
+    game_state *(*make_move)(game_state *from, game_ui *ui, game_drawstate *ds,
+                             int x, int y, int button);
     void (*size)(game_params *params, int *x, int *y);
     float *(*colours)(frontend *fe, game_state *state, int *ncolours);
     game_drawstate *(*new_drawstate)(game_state *state);