X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsystem.h;h=88df586da83d553995800bd2767552197b33418e;hb=22c1545e660b56b81728829aec43de128934ae04;hp=c645089b6a3e91d49cce74042daa62280a2ee43d;hpb=3e10387c490e2db8997d6e909d7d13d71fe876e3;p=rocksndiamonds.git

diff --git a/src/libgame/system.h b/src/libgame/system.h
index c645089b..88df586d 100644
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -96,7 +96,10 @@
 
 #define TOUCH_MOVE_DISTANCE_DEFAULT	2
 #define TOUCH_DROP_DISTANCE_DEFAULT	5
+#define TOUCH_TRANSPARENCY_DEFAULT	50
 
+#define ALPHA_FROM_TRANSPARENCY(x)	((100 - x) * SDL_ALPHA_OPAQUE / 100)
+#define ALPHA_FADING_STEPSIZE(x)	((x) / 25)
 
 /* values for special settings for mobile devices */
 #if defined(PLATFORM_ANDROID)
@@ -106,7 +109,6 @@
 #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 +454,45 @@
 #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(1, MAX(video.screen_width,	\
+						   video.screen_height))
+#define GRID_REAL_HEIGHT		MAX(1, 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"
 
@@ -976,6 +1017,14 @@ struct OverlayInfo
 {
   boolean enabled;		/* overlay generally enabled or disabled */
   boolean active;		/* overlay activated (depending on game mode) */
+
+  boolean show_grid;
+
+  int grid_xsize;
+  int grid_ysize;
+
+  char grid_button[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
+  char grid_button_highlight;
 };
 
 struct JoystickInfo
@@ -1004,6 +1053,15 @@ struct SetupTouchInfo
   char *control_type;
   int move_distance;
   int drop_distance;
+
+  int grid_xsize[2];
+  int grid_ysize[2];
+
+  char grid_button[2][MAX_GRID_XSIZE][MAX_GRID_YSIZE];
+
+  int transparency;		/* in percent (0 == opaque, 100 == invisible) */
+
+  boolean grid_initialized;
 };
 
 struct SetupInputInfo
@@ -1544,6 +1602,7 @@ void SetTileCursorXY(int, int);
 void SetTileCursorSXSY(int, int);
 void SetOverlayEnabled(boolean);
 void SetOverlayActive(boolean);
+void SetOverlayShowGrid(boolean);
 boolean GetOverlayActive();
 void SetDrawDeactivationMask(int);
 int GetDrawDeactivationMask(void);