* behaviour.
*/
+/* changes for game engine integration in Rocks'n'Diamonds:
+ *
+ * added support for rolling spring (not mapped to pushed spring)
+ * - required for Elvis Mine 8, levels 3, 23, 48 and 73
+ */
+
#define GET_BE16(x) ((&x)[0] << 8 | (&x)[1])
-static const short map_emc[256] =
+static const short map_emc_raw[256] =
{
Cstone, Cstone, Cdiamond, Cdiamond, // 0
Calien, Calien, Cpause, Cpause, // 4
Cdynamite_2, Cdynamite_3, Cdynamite_4, Cacid_s, // 60
Cexit_1, Cexit_2, Cexit_3, Cballoon, // 64
- Cplant, Cspring, Cspring, Cpush_spring_w, // 68
- Cpush_spring_e, Cball_1, Cball_2, Candroid, // 72
+ Cplant, Cspring, Cspring, Cspring_w, // 68
+ Cspring_e, Cball_1, Cball_2, Candroid, // 72
Cpause, Candroid, Candroid, Candroid, // 76
Candroid, Candroid, Candroid, Candroid, // 80
Candroid, Cblank, Cblank, Cblank, // 84
Cwall_1, Cblank, Calpha_copyr, Cfake_acid_1 // 252
};
+static const short swap_emc[CAVE_TILE_MAX] =
+{
+ [Cdirt] = Cgrass,
+ [Cgrass] = Cdirt,
+
+ [Csteel_1] = Csteel_2,
+ [Csteel_2] = Csteel_1,
+
+ [Cwall_1] = Cwall_2,
+ [Cwall_2] = Cwall_1,
+
+ [Croundwall_1] = Croundwall_2,
+ [Croundwall_2] = Croundwall_1
+};
+
static struct
{
int bit_nr;
void convert_em_level(unsigned char *src, int file_version)
{
int i, x, y, temp;
+ short map_emc[256];
+
+ /* initialize element mapping */
+
+ for (i = 0; i < 256; i++)
+ map_emc[i] = map_emc_raw[i];
+
+ /* swap tiles for pre-EMC caves (older than V5/V6), if needed */
+
+ if (swapTiles_EM(file_version < FILE_VERSION_EM_V5))
+ for (i = 0; i < 256; i++)
+ if (swap_emc[map_emc[i]] != 0)
+ map_emc[i] = swap_emc[map_emc[i]];
/* common to all emc caves */
cav.time_seconds = MIN(GET_BE16(src[2110]), 9999);
cav.gems_needed = src[2095];
- cav.infinite = TRUE;
+ cav.infinite = game_em.use_wrap_around;
cav.testmode = FALSE;
cav.teamwork = (src[2150] & 128) != 0;
for (x = 0; x < 9; x++)
cav.eater_array[i][x] = map_emc[src[eater_offset[i] + x]];
+ if (file_version < FILE_VERSION_EM_V6)
+ cav.num_eater_arrays = 4;
+
/* ball */
temp = map_emc[src[2159]];