X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsystem.h;h=480ef0d426820e4719effd45d914d909fa171c49;hb=164e6c72eba4eac8002bd6b334579e78e5010d0f;hp=6bf12a6670d2a58f781810a7a1099e7ecac7713d;hpb=38568f7dfac13f7a53f1d8751db2a63b64c935e8;p=rocksndiamonds.git

diff --git a/src/libgame/system.h b/src/libgame/system.h
index 6bf12a66..480ef0d4 100644
--- 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 +451,45 @@
 #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 GRID_REAL_WIDTH			MAX(video.screen_width,	\
+					    video.screen_height)
+#define GRID_REAL_HEIGHT		MIN(video.screen_width,	\
+					    video.screen_height)
+#define DEFAULT_GRID_XSIZE_0		18
+#define DEFAULT_GRID_YSIZE_0		MIN(MAX(MIN_GRID_YSIZE,		\
+						DEFAULT_GRID_XSIZE_0 *	\
+						GRID_REAL_HEIGHT /	\
+						GRID_REAL_WIDTH),	\
+					    MAX_GRID_YSIZE)
+#define DEFAULT_GRID_XSIZE_1		13
+#define DEFAULT_GRID_YSIZE_1		MIN(MAX(MIN_GRID_YSIZE,		\
+						DEFAULT_GRID_XSIZE_1 *	\
+						GRID_REAL_WIDTH /	\
+						GRID_REAL_HEIGHT),	\
+					    MAX_GRID_YSIZE)
+
+#define DEFAULT_GRID_XSIZE(n)		(n == 0 ? DEFAULT_GRID_XSIZE_0 : \
+					 DEFAULT_GRID_XSIZE_1)
+#define DEFAULT_GRID_YSIZE(n)		(n == 0 ? DEFAULT_GRID_YSIZE_0 : \
+					 DEFAULT_GRID_YSIZE_1)
+
+#define GRID_ACTIVE_NR()		(video.screen_width >	\
+					 video.screen_height ? 0 : 1)
+
+/* 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 +1016,15 @@ struct OverlayInfo
   boolean active;		/* overlay activated (depending on game mode) */
 
   boolean show_grid;
+
+  int grid_xsize_all[2];
+  int grid_ysize_all[2];
+  int grid_xsize;
+  int grid_ysize;
+
+  char grid_button_all[2][MAX_GRID_XSIZE][MAX_GRID_YSIZE];
+  char grid_button[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
+  char grid_button_highlight;
 };
 
 struct JoystickInfo