X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/be8d5aa175777c6b6b5a90342afbd8f77c615911..6ae3730169b0c020d90fe20ace77262d19d26a2b:/puzzles.h

diff --git a/puzzles.h b/puzzles.h
index a9f1a92..e873351 100644
--- a/puzzles.h
+++ b/puzzles.h
@@ -14,6 +14,9 @@
 
 #define lenof(array) ( sizeof(array) / sizeof(*(array)) )
 
+#define STR_INT(x) #x
+#define STR(x) STR_INT(x)
+
 enum {
     LEFT_BUTTON = 0x1000,
     MIDDLE_BUTTON,
@@ -34,6 +37,13 @@ enum {
     CURSOR_DOWN_RIGHT
 };
 
+#define IS_MOUSE_DOWN(m) ( (unsigned)((m) - LEFT_BUTTON) <= \
+                               (unsigned)(RIGHT_BUTTON - LEFT_BUTTON))
+#define IS_MOUSE_DRAG(m) ( (unsigned)((m) - LEFT_DRAG) <= \
+                               (unsigned)(RIGHT_DRAG - LEFT_DRAG))
+#define IS_MOUSE_RELEASE(m) ( (unsigned)((m) - LEFT_RELEASE) <= \
+                               (unsigned)(RIGHT_RELEASE - LEFT_RELEASE))
+
 #define IGNOREARG(x) ( (x) = (x) )
 
 typedef struct frontend frontend;
@@ -201,9 +211,13 @@ struct game {
 
 /*
  * For one-game-at-a-time platforms, there's a single structure
- * like the above, under a fixed name.
+ * like the above, under a fixed name. For all-at-once platforms,
+ * there's a list of all available puzzles in array form.
  */
-#ifndef COMBINED
+#ifdef COMBINED
+extern const game *gamelist[];
+extern const int gamecount;
+#else
 extern const game thegame;
 #endif