added grid buttons to virtual buttons setup screen

[rocksndiamonds.git] / src / libgame / system.h

diff --git a/src/libgame/system.h b/src/libgame/system.h
index 6bf12a6670d2a58f781810a7a1099e7ecac7713d..06a47c3c685fe17fc7eda1692843d7d8c51fa080 100644 (file)
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -106,7 +106,6 @@
 #define SCREEN_KEYBOARD_POS(h)         ((h) / 2)
 #endif
 
-
 /* default input keys */
 #define DEFAULT_KEY_LEFT               KSYM_Left
 #define DEFAULT_KEY_RIGHT              KSYM_Right
@@ -452,6 +451,27 @@
 #define MAX_GLOBAL_ANIMS               32
 #define MAX_GLOBAL_ANIM_PARTS          32
 
+/* minimum/maximum/default x/y grid size for virtual buttons */
+#define MIN_GRID_XSIZE                 3
+#define MIN_GRID_YSIZE                 3
+#define MAX_GRID_XSIZE                 32
+#define MAX_GRID_YSIZE                 32
+#define DEFAULT_GRID_XSIZE             18
+#define DEFAULT_GRID_YSIZE             MIN(MAX(MIN_GRID_YSIZE,         \
+                                               DEFAULT_GRID_XSIZE *    \
+                                               video.screen_height /   \
+                                               video.screen_width),    \
+                                           MAX_GRID_YSIZE)
+
+/* values for grid button characters for virtual buttons */
+#define CHAR_GRID_BUTTON_NONE          ' '
+#define CHAR_GRID_BUTTON_LEFT          '<'
+#define CHAR_GRID_BUTTON_RIGHT         '>'
+#define CHAR_GRID_BUTTON_UP            '^'
+#define CHAR_GRID_BUTTON_DOWN          'v'
+#define CHAR_GRID_BUTTON_SNAP          '1'
+#define CHAR_GRID_BUTTON_DROP          '2'
+
 /* default name for empty highscore entry */
 #define EMPTY_PLAYER_NAME      "no name"
 
@@ -978,6 +998,13 @@ struct OverlayInfo
   boolean active;              /* overlay activated (depending on game mode) */
 
   boolean show_grid;
+  boolean show_grid_buttons;
+
+  int grid_xsize;
+  int grid_ysize;
+
+  char grid_button[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
+  char grid_button_highlight;
 };
 
 struct JoystickInfo