{ -1, -1, -1 },
};
+static int eater_offset[8] =
+{
+ 2048, 2057, 2066, 2075,
+ 2112, 2121, 2130, 2139
+};
+
void convert_em_level(unsigned char *src, int file_version)
{
- static int eater_offset[8] =
- {
- 2048, 2057, 2066, 2075,
- 2112, 2121, 2130, 2139
- };
int i, x, y, temp;
/* common to all emc caves */
+ cav.width = 64;
+ cav.height = 32;
+
cav.time_seconds = MIN(GET_BE16(src[2110]), 9999);
cav.gems_needed = src[2095];
+ cav.infinite = TRUE;
+ cav.testmode = FALSE;
+ cav.teamwork = (src[2150] & 128) != 0;
+
/* scores */
cav.emerald_score = src[2084];
cav.amoeba_time = MIN(GET_BE16(src[2100]) * 28, 9999);
cav.wonderwall_time = MIN(GET_BE16(src[2102]), 9999);
- cav.wind_cnt = src[2149] & 15 ? cav.wind_time : 0;
+ cav.wind_time = 9999;
temp = src[2149];
cav.wind_direction = (temp & 8 ? 0 :
temp & 1 ? 1 :
temp & 2 ? 2 :
- temp & 4 ? 3 : 0);
+ temp & 4 ? 3 : 4);
/* global flags */
- cav.ball_random = src[2162] & 1 ? 1 : 0;
- cav.ball_state = src[2162] & 128 ? 1 : 0;
+ cav.ball_random = (src[2162] & 1) != 0;
+ cav.ball_active = (src[2162] & 128) != 0;
+
+ cav.wonderwall_active = FALSE;
+ cav.wheel_active = FALSE;
+ cav.lenses_active = FALSE;
+ cav.magnify_active = FALSE;
for (temp = 1; temp < 2047; temp++)
{
switch (src[temp])
{
case 36: /* wonderwall */
- cav.wonderwall_state = 1;
+ cav.wonderwall_active = TRUE;
cav.wonderwall_time = 9999;
break;
case 40: /* wheel */
- cav.wheel_x = temp & 63;
- cav.wheel_y = temp >> 6;
- cav.wheel_cnt = cav.wheel_time;
+ cav.wheel_active = TRUE;
+ cav.wheel_x = temp % 64;
+ cav.wheel_y = temp / 64;
break;
case 163: /* fake blank */
- cav.lenses_cnt = 9999;
+ cav.lenses_active = TRUE;
break;
case 164: /* fake grass */
- cav.magnify_cnt = 9999;
+ cav.magnify_active = TRUE;
break;
}
}
* - object code 130 (V6 grass) is changed to 189 (V6 dirt)
* - object codes are changed in both cave and eater arrays
* - only graphical change, as both objects behave the same
+ *
+ * acid with no base beneath it is converted to fake acid
+ * - required for downunder mine 16, level 0 (and others)
*/
static const unsigned char map_v6[256] =
int cleanup_em_level(unsigned char *src, int length, char *filename)
{
int file_version = FILE_VERSION_EM_UNKNOWN;
- int i;
+ int i, j;
if (length >= 2172 &&
src[2106] == 255 && /* version id: */
file_version = FILE_VERSION_EM_V6;
/* remap elements to internal EMC level format */
- for (i = 0; i < 2048; i++)
+ for (i = 0; i < 2048; i++) /* cave */
src[i] = map_v6[src[i]];
- for (i = 2048; i < 2084; i++)
+ for (i = 2048; i < 2084; i++) /* eaters */
src[i] = map_v6[src[i]];
- for (i = 2112; i < 2148; i++)
+ for (i = 2112; i < 2148; i++) /* eaters */
src[i] = map_v6[src[i]];
}
else if (length >= 2110 &&
file_version = FILE_VERSION_EM_V5;
/* remap elements to internal EMC level format */
- for (i = 0; i < 2048; i++)
+ for (i = 0; i < 2048; i++) /* cave */
src[i] = map_v5[src[i]];
- for (i = 2048; i < 2084; i++)
+ for (i = 2048; i < 2084; i++) /* eaters */
src[i] = map_v5[src[i]];
- for (i = 2112; i < 2148; i++)
+ for (i = 2112; i < 2148; i++) /* eaters */
src[i] = src[i - 64];
}
else if (length >= 2106 &&
}
/* remap elements to internal EMC level format */
- for (i = 0; i < 2048; i++)
+ for (i = 0; i < 2048; i++) /* cave */
src[i] = map_v4[src[i]];
- for (i = 2048; i < 2084; i++)
- src[i] = map_v4_eater[src[i] >= 28 ? 0 : src[i]];
- for (i = 2112; i < 2148; i++)
+ for (i = 2048; i < 2084; i++) /* eaters */
+ src[i] = map_v4_eater[src[i] % 32];
+ for (i = 2112; i < 2148; i++) /* eaters */
src[i] = src[i - 64];
if (fix_copyright) /* fix "(c)" sign in Emerald Mine II levels */
if (src[i] == 63) /* replace element above 'Cacid_s' ... */
src[i - 64] = 101; /* ... with 'Cacid_1' */
- /* fix acid with no base beneath it (see below for details (*)) */
+ /* fix acid with no base beneath it (see comment above for details) */
for (i = 64; i < 2048 - 1; i++)
{
if (file_version <= FILE_VERSION_EM_V2 &&
}
}
- /* fix acid in eater 1 */
- for (i = 2051; i < 2057; i++)
- if (src[i] == 63)
- src[i - 3] = 101;
-
- /* fix acid in eater 2 */
- for (i = 2060; i < 2066; i++)
- if (src[i] == 63)
- src[i - 3] = 101;
-
- /* fix acid in eater 3 */
- for (i = 2069; i < 2075; i++)
- if (src[i] == 63)
- src[i - 3] = 101;
-
- /* fix acid in eater 4 */
- for (i = 2078; i < 2084; i++)
- if (src[i] == 63)
- src[i - 3] = 101;
-
- /* fix acid in eater 5 */
- for (i = 2115; i < 2121; i++)
- if (src[i] == 63)
- src[i - 3] = 101;
-
- /* fix acid in eater 6 */
- for (i = 2124; i < 2130; i++)
- if (src[i] == 63)
- src[i - 3] = 101;
-
- /* fix acid in eater 7 */
- for (i = 2133; i < 2139; i++)
- if (src[i] == 63)
- src[i - 3] = 101;
-
- /* fix acid in eater 8 */
- for (i = 2142; i < 2148; i++)
- if (src[i] == 63)
- src[i - 3] = 101;
+ /* fix acid in eaters */
+ for (i = 0; i < 8; i++)
+ for (j = 0; j < 6; j++)
+ if (src[eater_offset[i] + j + 3] == 63)
+ src[eater_offset[i] + j] = 101;
/* old style time */
src[2094] = 0;
- /* player 1 pos */
- src[2096] &= 7;
- src[GET_BE16(src[2096])] = 128;
-
- /* player 2 pos */
- src[2098] &= 7;
- src[GET_BE16(src[2098])] = 128;
+ /* set cave tile at player position to blank */
+ for (i = 0; i < 2; i++)
+ src[GET_BE16(src[2096 + i * 2]) % 2048] = 128;
/* wind direction */
i = src[2149];
projects / rocksndiamonds.git / blobdiff