X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_em%2Femerald.h;h=37b75c66e4be259c95280bcb399c2eb87f05b814;hb=4b9cc1bf8622907234c4f0cb6c5a7e060a045404;hp=5e77b8b4aec57f07887671315f7473bbc1418900;hpb=a4cde04ae92e7f4fb05307b04bd541caa1eeec7e;p=rocksndiamonds.git

diff --git a/src/game_em/emerald.h b/src/game_em/emerald.h
index 5e77b8b4..37b75c66 100644
--- a/src/game_em/emerald.h
+++ b/src/game_em/emerald.h
@@ -48,19 +48,21 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // constant definitions
 // ----------------------------------------------------------------------------
 
-/* define these to use additional elements */
-#define EM_ENGINE_USE_ADDITIONAL_ELEMENTS
+#define CAVE_WIDTH			MAX_PLAYFIELD_WIDTH
+#define CAVE_HEIGHT			MAX_PLAYFIELD_HEIGHT
 
-/* one border for Zborder elements, one border for steelwall, if needed */
-#define EM_MAX_CAVE_WIDTH		(MAX_PLAYFIELD_WIDTH  + 2 + 2)
-#define EM_MAX_CAVE_HEIGHT		(MAX_PLAYFIELD_HEIGHT + 2 + 2)
+/* additional padding for Zborder elements and linked cave buffer columns */
+#define CAVE_BUFFER_XOFFSET		4
+#define CAVE_BUFFER_YOFFSET		2
+#define CAVE_BUFFER_WIDTH		(CAVE_WIDTH  + 2 * CAVE_BUFFER_XOFFSET)
+#define CAVE_BUFFER_HEIGHT		(CAVE_HEIGHT + 2 * CAVE_BUFFER_YOFFSET)
 
 /*
   -----------------------------------------------------------------------------
   definition of elements used in the Emerald Mine Club engine;
-  the element names have the following properties:
+  the element names (mostly) have the following properties:
   - elements that start with 'X' can be stored in a level file
-  - elements that start with 'Y' indicate moving elements
+  - elements that start with 'Y' indicate moving or active elements
   - elements that end with 'B' are the "backside" of moving elements
   -----------------------------------------------------------------------------
 */
@@ -69,8 +71,8 @@ enum
 {
   Xblank = 0,
 
-  Xacid_splash_e,
-  Xacid_splash_w,
+  Xsplash_e,
+  Xsplash_w,
 
   Xplant,
   Yplant,
@@ -84,8 +86,7 @@ enum
   Xacid_7,
   Xacid_8,
 
-#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
-  Xfake_acid_1,
+  Xfake_acid_1,			/* newly added to EM engine */
   Xfake_acid_2,
   Xfake_acid_3,
   Xfake_acid_4,
@@ -93,7 +94,6 @@ enum
   Xfake_acid_6,
   Xfake_acid_7,
   Xfake_acid_8,
-#endif
 
   Xgrass,
   Ygrass_nB,
@@ -370,16 +370,16 @@ enum
   Ydrip_2_sB,
 
   Xwonderwall,
-  XwonderwallB,
+  Ywonderwall,
 
   Xwheel,
-  XwheelB,
+  Ywheel,
 
   Xswitch,
-  XswitchB,
+  Yswitch,
 
   Xbumper,
-  XbumperB,
+  Ybumper,
 
   Xacid_nw,
   Xacid_ne,
@@ -388,13 +388,13 @@ enum
   Xacid_se,
 
   Xfake_blank,
-  Xfake_blankB,
+  Yfake_blank,
 
   Xfake_grass,
-  Xfake_grassB,
+  Yfake_grass,
 
-  Xfake_amoeba,		/* dripper */
-  Xfake_amoebaB,
+  Xfake_amoeba,			/* dripper */
+  Yfake_amoeba,
 
   Xlenses,
 
@@ -416,15 +416,13 @@ enum
   Xsand_stonesand_4,
   Xsand_stoneout_1,
   Xsand_stoneout_2,
-#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
-  Xsand_stonesand_quickout_1,
+  Xsand_stonesand_quickout_1,	/* newly added to EM engine */
   Xsand_stonesand_quickout_2,
-#endif
 
-  Xslidewall_ns,	/* growing wall */
-  Yslidewall_ns_blank,
-  Xslidewall_ew,
-  Yslidewall_ew_blank,
+  Xslide_ns,			/* growing wall */
+  Yslide_ns_blank,
+  Xslide_ew,
+  Yslide_ew_blank,
 
   Xwind_n,
   Xwind_e,
@@ -515,8 +513,7 @@ enum
   Xalpha_arrow_w,
   Xalpha_copyr,
 
-#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
-  Ykey_1_blank,
+  Ykey_1_blank,			/* newly added to EM engine */
   Ykey_2_blank,
   Ykey_3_blank,
   Ykey_4_blank,
@@ -528,7 +525,6 @@ enum
   Ymagnify_blank,
   Ygrass_blank,
   Ydirt_blank,
-#endif
 
   Xboom_bug,		/* passed from explode to synchro (linked explosion);
 			   transition to explode_normal */
@@ -601,7 +597,7 @@ enum
   SOUND_dirt,		/* player digs into dirt */
   SOUND_acid,		/* acid splashes */
   SOUND_ball,		/* ball places something */
-  SOUND_slidewall,	/* slide wall grows */
+  SOUND_slide,		/* slide wall grows */
   SOUND_wonder,		/* wonderwall is active */
   SOUND_door,		/* player goes thru door (gate) */
   SOUND_exit_open,	/* exit opens */
@@ -631,6 +627,11 @@ struct LEVEL
   int width;			/* playfield width */
   int height;			/* playfield height */
 
+  int left;			/* playfield left edge */
+  int top;			/* playfield top edge */
+  int right;			/* playfield right edge */
+  int bottom;			/* playfield bottom edge */
+
   int time_seconds;		/* available time (seconds) */
   int time_initial;		/* available time (initial) */
   int time;			/* time remaining (runtime) */
@@ -700,6 +701,21 @@ struct LEVEL
   int num_ball_arrays;		/* number of ball data arrays used */
 
   int exit_x, exit_y;		/* kludge for playing player exit sound */
+
+  short cavebuf[CAVE_BUFFER_WIDTH][CAVE_BUFFER_HEIGHT];
+  short nextbuf[CAVE_BUFFER_WIDTH][CAVE_BUFFER_HEIGHT];
+  short drawbuf[CAVE_BUFFER_WIDTH][CAVE_BUFFER_HEIGHT];
+  short boombuf[CAVE_BUFFER_WIDTH][CAVE_BUFFER_HEIGHT];
+
+  short *cavecol[CAVE_BUFFER_WIDTH];
+  short *nextcol[CAVE_BUFFER_WIDTH];
+  short *drawcol[CAVE_BUFFER_WIDTH];
+  short *boomcol[CAVE_BUFFER_WIDTH];
+
+  short **cave;
+  short **next;
+  short **draw;
+  short **boom;
 };
 
 struct PLAYER