X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_em%2Fdisplay.h;h=9079feea90744c0f418b8d040885de46c6d3b79a;hb=c74a890afba46c41f6ba6ef691bc89da0dd0135c;hp=e5e5f55e42788dacbe83d83c563da3494a3a67e1;hpb=c5321d9d36d0a74062651d0352fbbaccbe125eca;p=rocksndiamonds.git

diff --git a/src/game_em/display.h b/src/game_em/display.h
index e5e5f55e..9079feea 100644
--- a/src/game_em/display.h
+++ b/src/game_em/display.h
@@ -1,7 +1,7 @@
 #ifndef DISPLAY_H
 #define DISPLAY_H
 
-#include "game_em.h"
+#include "main_em.h"
 
 #define ORIG_TILEX		16
 #define ORIG_TILEY		16
@@ -41,6 +41,27 @@
 #define SXSIZE			(SCR_FIELDX * TILEX)
 #define SYSIZE			(SCR_FIELDY * TILEY)
 
+#if 1
+
+#if 0
+#define FRAMES_PER_SECOND	50
+#endif
+
+#define ROUNDED_DIVIDE(x, y)	(((x) + (y) - 1) / (y))
+
+#define SECONDS_TO_FRAMES(x)	((x) * FRAMES_PER_SECOND)
+#define FRAMES_TO_SECONDS(x)	((x) / FRAMES_PER_SECOND)
+
+#define SECONDS_TO_CYCLES(x)	ROUNDED_DIVIDE((x) * FRAMES_PER_SECOND, 8)
+#define CYCLES_TO_SECONDS(x)	ROUNDED_DIVIDE((x) * 8, FRAMES_PER_SECOND)
+
+#define DISPLAY_TIME(x)		ROUNDED_DIVIDE(x, FRAMES_PER_SECOND)
+
+#else
+
+#define DISPLAY_TIME(x)		(((x) * 8 + 49) / 50)
+#endif
+
 extern Bitmap *screenBitmap;
 extern Bitmap *scoreBitmap;