-/* 2000-08-20T09:41:18Z
+/* 2007-04-04 08:33:37
*
- * identify all emerald mine caves and turn them into v6 format.
- * fixes illegal tiles, acid, wheel, limits times, cleans flags.
- *
- * these tables weed out bad tiles for older caves (eg. wheel on -> wheel off)
- * and clean up v6 caves (acid, number limits) which should(!) be
- * inconsequential, but no doubt it will break some caves.
+ * convert intermediate cave format to internal cave structure for
+ * use in logic(). initializes entire internal structure.
*/
#include "main_em.h"
-static unsigned char remap_v6[256] =
-{
- /* filter crap for v6 */
-
- 0,0,2,2, 4,4,118,118, 8,9,10,11, 12,13,14,15,
- 16,16,18,18, 20,21,22,23, 24,25,26,27, 28,28,118,28,
- 0,16,2,18, 36,37,37,37, 40,41,42,43, 44,45,128,128,
- 128,148,148, 148,45,45,45, 148,0,57,58, 59,60,61,62,63,
-
- 64,65,66,67, 68,69,69,71, 72,73,74,75, 118,75,75,75,
- 75,75,75,75, 75,153,153,153, 153,153,153,153, 153,153,153,153,
- 153,153,153,99, 100,68,68,68, 68,68,68,68, 68,118,118,118,
- 118,118,114,115, 131,118,118,119, 120,121,122,118, 118,118,118,118,
-
- 128,129,130,131, 132,133,134,135, 136,137,138,139, 140,141,142,143,
- 144,145,146,147, 148,149,150,151, 152,153,154,155, 156,157,158,159,
- 160,161,162,163, 164,165,165,118, 168,169,170,171, 172,173,174,175,
- 176,177,178,179, 180,181,182,183, 184,185,186,187, 188,189,68,191,
-
- 192,193,194,195, 196,197,198,199, 200,201,202,203, 204,205,206,207,
- 208,209,210,211, 212,213,214,215, 216,217,218,219, 220,221,222,223,
- 224,225,226,227, 228,229,230,231, 232,233,234,235, 236,237,238,239,
- 240,241,242,243, 244,245,153,153, 153,153,153,153, 153,153,153,153
-};
-
-static unsigned char remap_v5[256] =
-{
- /* filter crap for v5 */
-
- 0,0,2,2, 4,4,118,118, 8,9,10,11, 12,13,14,15,
- 16,16,18,18, 20,21,22,23, 24,25,26,27, 28,28,118,28,
- 0,16,2,18, 36,37,37,37, 147,41,42,43, 44,45,128,128,
- 128,148,148,148, 45,45,45,148, 0,57,58,59, 60,61,62,63,
-
- 64,65,66,67, 68,153,153,153, 153,153,153,153, 153,153,153,153,
- 153,153,153,153, 153,153,153,153, 153,153,153,153, 153,153,153,153,
- 153,153,153,153, 153,68,68,68,68, 68,68,68,68,118, 118,118,
- 118,118,114,115, 131,118,118,119, 120,121,122,118, 118,118,118,118,
-
- 128,129,130,131, 132,133,134,135, 136,137,138,139, 140,141,142,143,
- 144,145,146,147, 148,149,150,151, 152,153,154,155, 156,157,158,159,
- 160,153,153,153, 153,153,153,118, 168,169,170,171, 172,173,174,175,
- 176,177,178,179, 180,181,182,183, 184,185,186,187, 188,189,68,153,
-
- 153,153,153,153, 153,153,153,153, 200,201,202,203, 204,205,206,207,
- 208,209,210,211, 212,213,214,215, 216,217,218,219, 220,221,222,223,
- 224,225,226,227, 228,229,230,231, 232,233,234,235, 236,237,238,239,
- 240,241,153,153, 153,153,153,153, 153,153,153,153, 153,153,153,153
-};
-
-static unsigned char remap_v4[256] =
-{
- /* filter crap for v4 */
-
- 0,0,2,2, 4,4,118,118, 8,9,10,11, 12,13,14,15,
- 16,16,18,18, 20,21,22,23, 24,25,26,27, 28,28,118,28,
- 0,16,2,18, 36,37,37,37, 147,41,42,43, 44,45,128,128,
- 128,148,148,148, 45,45,45,148, 0,153,153,59, 60,61,62,63,
-
- 64,65,66,153, 153,153,153,153, 153,153,153,153, 153,153,153,153,
- 153,153,153,153, 153,153,153,153, 153,153,153,153, 153,153,153,153,
- 153,153,153,153, 153,153,153,153, 153,153,153,153, 153,153,153,153,
- 153,118,114,115, 131,118,118,119, 120,121,122,118, 118,118,118,118,
-
- 128,129,130,131, 132,133,134,135, 136,137,138,139, 140,141,142,143,
- 144,145,146,147, 148,149,150,151, 152,68,154,155, 156,157,158,160,
- 160,160,160,160, 160,160,160,160, 160,160,160,160, 160,160,160,175,
- 153,153,153,153, 153,153,153,153, 153,153,153,153, 153,153,68,153,
-
- 153,153,153,153, 153,153,153,153, 200,201,202,203, 204,205,206,207,
- 208,209,210,211, 212,213,214,215, 216,217,218,219, 220,221,222,223,
- 224,225,226,227, 228,229,230,231, 232,233,234,235, 236,237,238,239,
- 240,241,153,153, 153,153,153,153, 153,153,153,153, 153,153,153,153
-};
-
-static unsigned char remap_v4eater[28] =
-{
- /* filter crap for v4 */
-
- 128,18,2,0,4,8,16,20,28,37,
- 41,45,130,129,131,132,133,134,135,136,
- 146,147,175,65,66,64,2,18
-};
-
-static boolean filename_has_v1_format(char *filename)
-{
- char *basename = getBaseNamePtr(filename);
-
- return (strlen(basename) == 3 &&
- basename[0] == 'a' &&
- basename[1] >= 'a' && basename[1] <= 'k' &&
- basename[2] >= '0' && basename[2] <= '9');
-}
-
-int cleanup_em_level(unsigned char *src, int length, char *filename)
+void prepare_em_level(void)
{
- int file_version = FILE_VERSION_EM_UNKNOWN;
- int i;
-
- if (length >= 2172 &&
- src[2106] == 255 && /* version id: */
- src[2107] == 54 && /* '6' */
- src[2108] == 48 && /* '0' */
- src[2109] == 48) /* '0' */
- {
- /* ---------- this cave has V6 file format ---------- */
- file_version = FILE_VERSION_EM_V6;
-
- /* remap elements to internal EMC level format */
- for (i = 0; i < 2048; i++)
- src[i] = remap_v6[src[i]];
- for (i = 2048; i < 2084; i++)
- src[i] = remap_v6[src[i]];
- for (i = 2112; i < 2148; i++)
- src[i] = remap_v6[src[i]];
- }
- else if (length >= 2110 &&
- src[2106] == 255 && /* version id: */
- src[2107] == 53 && /* '5' */
- src[2108] == 48 && /* '0' */
- src[2109] == 48) /* '0' */
- {
- /* ---------- this cave has V5 file format ---------- */
- file_version = FILE_VERSION_EM_V5;
-
- /* remap elements to internal EMC level format */
- for (i = 0; i < 2048; i++)
- src[i] = remap_v5[src[i]];
- for (i = 2048; i < 2084; i++)
- src[i] = remap_v5[src[i]];
- for (i = 2112; i < 2148; i++)
- src[i] = src[i - 64];
- }
- else if (length >= 2106 &&
- (src[1983] == 27 || /* encrypted (only EM I/II/III) */
- src[1983] == 116 || /* unencrypted (usual case) */
- src[1983] == 131)) /* unencrypted (rare case) */
- {
- /* ---------- this cave has V1, V2 or V3 file format ---------- */
-
- boolean fix_copyright = FALSE;
-
- /*
- byte at position 1983 (0x07bf) is used as "magic byte":
- - 27 (0x1b) => encrypted level (V3 only / Kingsoft original games)
- - 116 (0x74) => unencrypted level (byte is corrected to 131 (0x83))
- - 131 (0x83) => unencrypted level (happens only in very rare cases)
- */
-
- if (src[1983] == 27) /* (0x1b) -- after decryption: 116 (0x74) */
- {
- /* this is original (encrypted) Emerald Mine I, II or III level file */
-
- int first_byte = src[0];
- unsigned char code0 = 0x65;
- unsigned char code1 = 0x11;
-
- /* decode encrypted level data */
- for (i = 0; i < 2106; i++)
- {
- src[i] ^= code0;
- src[i] -= code1;
-
- code0 = (code0 + 7) & 0xff;
- }
-
- src[1] = 131; /* needed for all Emerald Mine levels */
-
- /* first byte is either 0xf1 (EM I and III) or 0xf5 (EM II) */
- if (first_byte == 0xf5)
- {
- src[0] = 131; /* only needed for Emerald Mine II levels */
-
- fix_copyright = TRUE;
- }
-
- /* ---------- this cave has V3 file format ---------- */
- file_version = FILE_VERSION_EM_V3;
- }
- else if (filename_has_v1_format(filename))
- {
- /* ---------- this cave has V1 file format ---------- */
- file_version = FILE_VERSION_EM_V1;
- }
- else
- {
- /* ---------- this cave has V2 file format ---------- */
- file_version = FILE_VERSION_EM_V2;
- }
-
- /* remap elements to internal EMC level format */
- for (i = 0; i < 2048; i++)
- src[i] = remap_v4[src[i]];
- for (i = 2048; i < 2084; i++)
- src[i] = remap_v4eater[src[i] >= 28 ? 0 : src[i]];
- for (i = 2112; i < 2148; i++)
- src[i] = src[i - 64];
-
- if (fix_copyright) /* fix "(c)" sign in Emerald Mine II levels */
- {
- for (i = 0; i < 2048; i++)
- if (src[i] == 241)
- src[i] = 254; /* replace 'Xdecor_1' with 'Xalpha_copyr' */
- }
- }
- else
- {
- /* ---------- this cave has unknown file format ---------- */
-
- /* if file has length of old-style level file, print (wrong) magic byte */
- if (length < 2110)
- Error(ERR_WARN, "unknown magic byte 0x%02x at position 0x%04x",
- src[1983], 1983);
-
- return FILE_VERSION_EM_UNKNOWN;
- }
-
- if (file_version < FILE_VERSION_EM_V6)
- {
- /* id */
- src[2106] = 255; /* version id: */
- src[2107] = 54; /* '6' */
- src[2108] = 48; /* '0' */
- src[2109] = 48; /* '0' */
-
- /* time */
- i = src[2094] * 10;
- /* stored level time of levels for the V2 player was changed to 50% of the
- time for the V1 player (original V3 levels already considered this) */
- if (file_version != FILE_VERSION_EM_V1 &&
- file_version != FILE_VERSION_EM_V3)
- i /= 2;
- src[2110] = i >> 8;
- src[2111] = i;
-
- for (i = 2148; i < 2172; i++)
- src[i] = 0;
-
- /* ball data */
- src[2159] = 128;
- }
-
- /* ---------- at this stage, the cave data always has V6 format ---------- */
-
- /* fix wheel */
- for (i = 0; i < 2048; i++)
- if (src[i] == 40)
- break;
- for (i++; i < 2048; i++)
- if (src[i] == 40)
- src[i] = 147;
-
-#if 0
-
- /* fix acid */
- for (i = 64; i < 2048; i++)
- if (src[i] == 63) /* replace element above 'Xacid_s' ... */
- src[i - 64] = 101; /* ... with 'Xacid_1' */
-
-#else
-
-#if 1
- /* fix acid */
- for (i = 64; i < 2048; i++)
- if (src[i] == 63) /* replace element above 'Xacid_s' ... */
- src[i - 64] = 101; /* ... with 'Xacid_1' */
-
- /* fix acid with no base beneath it (see below for details (*)) */
- for (i = 64; i < 2048 - 1; i++)
- {
- if (file_version <= FILE_VERSION_EM_V2 &&
- src[i - 64] == 101 && src[i] != 63) /* acid without base */
- {
- if (src[i - 1] == 101 || /* remove acid over acid row */
- src[i + 1] == 101)
- src[i - 64] = 6; /* replace element above with 'Xblank' */
- else
- src[i - 64] = 255; /* replace element above with 'Xfake_acid_1' */
- }
- }
-
-#else
-
- /* fix acid */
- for (i = 64; i < 2048; i++)
- {
- if (src[i] == 63) /* 'Xacid_s' (acid pool, bottom middle) */
- {
- if (file_version <= FILE_VERSION_EM_V2 &&
- i < 2048 - 64 && src[i + 64] == 63)
- {
- int obj_left = remap_emerald[src[i - 1]];
- int obj_right = remap_emerald[src[i + 1]];
-
- if (obj_left == Xblank || obj_right == Xblank ||
- obj_left == Xplant || obj_right == Xplant)
- src[i - 64] = 6; /* replace element above with 'Xblank' */
- else
- src[i - 64] = 255; /* replace element above with 'Xfake_acid_1' */
- }
- else
- {
- src[i - 64] = 101; /* replace element above with 'Xacid_1' */
- }
- }
- }
-#endif
-#endif
-
- /* 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;
-
- /* old style time */
- src[2094] = 0;
-
- /* player 1 pos */
- src[2096] &= 7;
- src[src[2096] << 8 | src[2097]] = 128;
-
- /* player 2 pos */
- src[2098] &= 7;
- src[src[2098] << 8 | src[2099]] = 128;
-
- /* amoeba speed */
- if ((src[2100] << 8 | src[2101]) > 9999)
- {
- src[2100] = 39;
- src[2101] = 15;
- }
-
- /* time wonderwall */
- if ((src[2102] << 8 | src[2103]) > 9999)
- {
- src[2102] = 39;
- src[2103] = 15;
- }
-
- /* time */
- if ((src[2110] << 8 | src[2111]) > 9999)
- {
- src[2110] = 39;
- src[2111] = 15;
- }
-
- /* wind direction */
- i = src[2149];
- i &= 15;
- i &= -i;
- src[2149] = i;
-
- /* time lenses */
- if ((src[2154] << 8 | src[2155]) > 9999)
- {
- src[2154] = 39;
- src[2155] = 15;
- }
+ int i, j, x, y;
+ int players_left;
+ boolean team_mode;
- /* time magnify */
- if ((src[2156] << 8 | src[2157]) > 9999)
- {
- src[2156] = 39;
- src[2157] = 15;
- }
+ /* reset all runtime variables to their initial values */
- /* ball object */
- src[2158] = 0;
- src[2159] = remap_v6[src[2159]];
+ game_init_cave_buffers();
- /* ball pause */
- if ((src[2160] << 8 | src[2161]) > 9999)
- {
- src[2160] = 39;
- src[2161] = 15;
- }
+ lev.width = cav.width;
+ lev.height = cav.height;
- /* ball data */
- src[2162] &= 129;
- if (src[2162] & 1)
- src[2163] = 0;
+ lev.left = CAVE_BUFFER_XOFFSET;
+ lev.top = CAVE_BUFFER_YOFFSET;
+ lev.right = lev.left + lev.width;
+ lev.bottom = lev.top + lev.height;
- /* android move pause */
- if ((src[2164] << 8 | src[2165]) > 9999)
+ /* add linked cave buffer columns for wrap-around movement */
+ for (x = 0; x < lev.left; x++)
{
- src[2164] = 39;
- src[2165] = 15;
- }
+ lev.cavecol[x] = lev.cavecol[lev.width + x];
+ lev.nextcol[x] = lev.nextcol[lev.width + x];
+ lev.drawcol[x] = lev.drawcol[lev.width + x];
+ lev.boomcol[x] = lev.boomcol[lev.width + x];
- /* android clone pause */
- if ((src[2166] << 8 | src[2167]) > 9999)
- {
- src[2166] = 39;
- src[2167] = 15;
+ lev.cavecol[lev.right + x] = lev.cavecol[lev.left + x];
+ lev.nextcol[lev.right + x] = lev.nextcol[lev.left + x];
+ lev.drawcol[lev.right + x] = lev.drawcol[lev.left + x];
+ lev.boomcol[lev.right + x] = lev.boomcol[lev.left + x];
}
- /* android data */
- src[2168] &= 31;
-
- /* size of v6 cave */
- length = 2172;
-
-#if 0
- if (options.debug)
- Error(ERR_DEBUG, "EM level file version: %d", file_version);
-#endif
+ for (x = 0; x < lev.width; x++)
+ for (y = 0; y < lev.height; y++)
+ lev.cave[lev.left + x][lev.top + y] = cav.cave[x][y];
- return file_version;
-}
+ for (x = lev.left; x < lev.right; x++)
+ for (y = lev.top; y < lev.bottom; y++)
+ lev.next[x][y] = lev.draw[x][y] = lev.cave[x][y];
-/* 2000-07-30T00:26:00Z
- *
- * Read emerald mine caves version 6
- *
- * v4 and v5 emerald mine caves are converted to v6 (which completely supports
- * older versions)
- *
- * converting to the internal format loses /significant/ information which can
- * break lots of caves.
- *
- * major incompatibilities:
- * - borderless caves behave completely differently, the player no longer
- * "warps" to the other side.
- * - a compile time option for spring can make it behave differently when it
- * rolls.
- * - a compile time option for rolling objects (stone, nut, spring, bomb) only
- * in eater.
- * - acid is always deadly even with no base beneath it (this breaks cave 0 in
- * downunder mine 16)
- * (*) fixed (see above):
- * - downunder mine 16, level 0, works again
- * - downunder mine 11, level 71, corrected (only cosmetically)
- *
- * so far all below have not broken any caves:
- *
- * - active wheel inside an eater will not function, eater explosions will not
- * change settings.
- * - initial collect objects (emerald, diamond, dynamite) don't exist.
- * - initial rolling objects will be moved manually and made into sitting
- * objects.
- * - drips always appear from dots.
- * - more than one thing can fall into acid at the same time.
- * - acid explodes when the player walks into it, rather than splashing.
- * - simultaneous explosions may be in a slightly different order.
- * - quicksand states have been reduced.
- * - acid base is effectively an indestructable wall now which can affect eater
- * explosions.
- * - android can clone forever with a clone pause of 0 (emeralds, diamonds,
- * nuts, stones, bombs, springs).
- *
- * 2001-03-12T02:46:55Z
- * - rolling stuff is now allowed in the cave, i didn't like making this
- * decision.
- * - if BAD_ROLL is not defined, initial rolling objects are moved by hand.
- * - initial collect objects break some cave in elvis mine 5.
- * - different timing for wonderwall break some cave in exception mine 2.
- * - i think i'm pretty locked into always using the bad roll. *sigh*
- * - rolling spring is now turned into regular spring. it appears the emc
- * editor only uses the force code for initially moving spring. i will
- * follow this in my editor.
- *
- * 2006-04-02
- * - introduced ALLOW_ROLLING_SPRING; if defined, do NOT turn rolling spring
- * into regular spring, because this breaks at least E.M.C. Mine 3, level 79
- * (see comment directly above)
- *
- * 2020-01-19
- * - always use BAD_ROLL and ALLOW_ROLLING_SPRING code when converting caves
- * (that is, always allow initial rolling objects in caves now)
- */
-
-static unsigned short remap_emerald[256] =
-{
- Xstone, Xstone, Xdiamond, Xdiamond,
- Xalien, Xalien, Xblank, Xblank,
- Xtank_1_n, Xtank_1_e, Xtank_1_s, Xtank_1_w,
- Xtank_2_n, Xtank_2_e, Xtank_2_s, Xtank_2_w,
-
- Xbomb, Xbomb, Xemerald, Xemerald,
- Xbug_1_n, Xbug_1_e, Xbug_1_s, Xbug_1_w,
- Xbug_2_n, Xbug_2_e, Xbug_2_s, Xbug_2_w,
- Xdrip, Xdrip, Xdrip, Xdrip,
-
- Xstone, Xbomb, Xdiamond, Xemerald,
- Xwonderwall, Xnut, Xnut, Xnut,
- Xwheel, Xeater_n, Xeater_s, Xeater_w,
- Xeater_e, Xsand_stone, Xblank, Xblank,
-
- Xblank, Xsand, Xsand, Xsand,
- Xsand_stone, Xsand_stone, Xsand_stone, Xsand,
- Xstone, Xslidewall_ew, Xslidewall_ns, Xdynamite_1,
- Xdynamite_2, Xdynamite_3, Xdynamite_4, Xacid_s,
-
- Xexit_1, Xexit_2, Xexit_3, Xballoon,
- Xplant, Xspring, Xspring_fall, Xspring_w,
- Xspring_e, Xball_1, Xball_2, Xandroid,
- Xblank, Xandroid, Xandroid, Xandroid,
-
- Xandroid, Xandroid, Xandroid, Xandroid,
- Xandroid, Xblank, Xblank, Xblank,
- Xblank, Xblank, Xblank, Xblank,
- Xblank, Xblank, Xblank, Xblank,
-
- Xblank, Xblank, Xblank, Xpush_spring_w,
- Xpush_spring_e, Xacid_1, Xacid_2, Xacid_3,
- Xacid_4, Xacid_5, Xacid_6, Xacid_7,
- Xacid_8, Xblank, Xblank, Xblank,
-
- Xblank, Xblank, Xpush_nut_w, Xpush_nut_e,
- Xsteel_1, Xblank, Xblank, Xpush_bomb_w,
- Xpush_bomb_e, Xpush_stone_w, Xpush_stone_e, Xblank,
- Xblank, Xblank, Xblank, Xblank,
-
- Xblank, Xroundwall_1, Xgrass, Xsteel_1,
- Xwall_1, Xkey_1, Xkey_2, Xkey_3,
- Xkey_4, Xdoor_1, Xdoor_2, Xdoor_3,
- Xdoor_4, Xfake_amoeba, Xfake_door_1, Xfake_door_2,
-
- Xfake_door_3, Xfake_door_4, Xwonderwall, Xwheel,
- Xsand, Xacid_nw, Xacid_ne, Xacid_sw,
- Xacid_se, Xfake_blank, Xamoeba_1, Xamoeba_2,
- Xamoeba_3, Xamoeba_4, Xexit, Xalpha_arrow_w,
-
- Xfake_grass, Xlenses, Xmagnify, Xfake_blank,
- Xfake_grass, Xswitch, Xswitch, Xblank,
- Xdecor_8, Xdecor_9, Xdecor_10, Xdecor_5,
- Xalpha_comma, Xalpha_quote, Xalpha_minus, Xdynamite,
-
- Xsteel_3, Xdecor_6, Xdecor_7, Xsteel_2,
- Xroundwall_2, Xdecor_2, Xdecor_4, Xdecor_3,
- Xwind_any, Xwind_e, Xwind_s, Xwind_w,
- Xwind_n, Xdirt, Xplant, Xkey_5,
-
- Xkey_6, Xkey_7, Xkey_8, Xdoor_5,
- Xdoor_6, Xdoor_7, Xdoor_8, Xbumper,
- Xalpha_a, Xalpha_b, Xalpha_c, Xalpha_d,
- Xalpha_e, Xalpha_f, Xalpha_g, Xalpha_h,
-
- Xalpha_i, Xalpha_j, Xalpha_k, Xalpha_l,
- Xalpha_m, Xalpha_n, Xalpha_o, Xalpha_p,
- Xalpha_q, Xalpha_r, Xalpha_s, Xalpha_t,
- Xalpha_u, Xalpha_v, Xalpha_w, Xalpha_x,
-
- Xalpha_y, Xalpha_z, Xalpha_0, Xalpha_1,
- Xalpha_2, Xalpha_3, Xalpha_4, Xalpha_5,
- Xalpha_6, Xalpha_7, Xalpha_8, Xalpha_9,
- Xalpha_perio, Xalpha_excla, Xalpha_colon, Xalpha_quest,
-
- Xalpha_arrow_e, Xdecor_1, Xfake_door_5, Xfake_door_6,
- Xfake_door_7, Xfake_door_8, Xblank, Xblank,
- Xblank, Xblank, Xblank, Xblank,
-#if 0
- Xblank, Xblank, Xblank, Xblank,
-#else
- /* special elements added to solve compatibility problems */
- Xblank, Xblank, Xalpha_copyr, Xfake_acid_1
-#endif
-};
-
-static int get_em_element(unsigned short em_element_raw, int file_version)
-{
- int em_element = remap_emerald[em_element_raw];
-
- if (file_version < FILE_VERSION_EM_V5)
- {
- /* versions below V5 had no grass, but only sand/dirt */
- if (em_element == Xgrass)
- em_element = Xdirt;
- }
-
- return em_element;
-}
-
-void convert_em_level(unsigned char *src, int file_version)
-{
- static int eater_offset[8] =
- {
- 0x800, 0x809, 0x812, 0x81B, 0x840, 0x849, 0x852, 0x85B
- };
- int i, x, y, temp;
-
-#if 1
- lev.time_seconds = src[0x83E] << 8 | src[0x83F];
- if (lev.time_seconds > 9999)
- lev.time_seconds = 9999;
-#else
- temp = ((src[0x83E] << 8 | src[0x83F]) * 25 + 3) / 4;
- if (temp == 0 || temp > 9999)
- temp = 9999;
- lev.time_initial = temp;
-#endif
+ lev.time = cav.time_seconds;
+ lev.gems_needed = cav.gems_needed;
+ lev.score = 0;
- lev.required_initial = src[0x82F];
+ lev.eater_score = cav.eater_score;
+ lev.alien_score = cav.alien_score;
+ lev.bug_score = cav.bug_score;
+ lev.tank_score = cav.tank_score;
+ lev.emerald_score = cav.emerald_score;
+ lev.diamond_score = cav.diamond_score;
+ lev.nut_score = cav.nut_score;
+ lev.slurp_score = cav.slurp_score;
+ lev.dynamite_score = cav.dynamite_score;
+ lev.key_score = cav.key_score;
+ lev.lenses_score = cav.lenses_score;
+ lev.magnify_score = cav.magnify_score;
+ lev.exit_score = cav.exit_score;
+
+ lev.amoeba_time = cav.amoeba_time;
+
+ lev.android_move_time = cav.android_move_time;
+ lev.android_move_cnt = cav.android_move_time;
+
+ lev.android_clone_time = cav.android_clone_time;
+ lev.android_clone_cnt = cav.android_clone_time;
+
+ lev.ball_time = cav.ball_time;
+ lev.ball_cnt = cav.ball_time;
+ lev.ball_state = cav.ball_state;
+ lev.ball_random = cav.ball_random;
+ lev.ball_pos = 0;
- for (i = 0; i < 2; i++)
- {
- temp = src[0x830 + i * 2] << 8 | src[0x831 + i * 2];
- ply[i].x_initial = (temp & 63);
- ply[i].y_initial = (temp >> 6 & 31);
- }
+ lev.eater_pos = 0;
+ lev.shine_cnt = 0;
- temp = (src[0x834] << 8 | src[0x835]) * 28;
- if (temp > 9999)
- temp = 9999;
- lev.amoeba_time = temp;
+ lev.lenses_time = cav.lenses_time;
+ lev.lenses_cnt = cav.lenses_cnt;
- lev.android_move_time = src[0x874] << 8 | src[0x875];
- lev.android_clone_time = src[0x876] << 8 | src[0x877];
+ lev.magnify_time = cav.magnify_time;
+ lev.magnify_cnt = cav.magnify_cnt;
- lev.ball_random = src[0x872] & 1 ? 1 : 0;
- lev.ball_state_initial = src[0x872] & 128 ? 1 : 0;
- lev.ball_time = src[0x870] << 8 | src[0x871];
+ lev.wheel_time = cav.wheel_time;
+ lev.wheel_cnt = cav.wheel_cnt;
+ lev.wheel_x = cav.wheel_x;
+ lev.wheel_y = cav.wheel_y;
- lev.emerald_score = src[0x824];
- lev.diamond_score = src[0x825];
- lev.alien_score = src[0x826];
- lev.tank_score = src[0x827];
- lev.bug_score = src[0x828];
- lev.eater_score = src[0x829];
- lev.nut_score = src[0x82A];
- lev.dynamite_score = src[0x82B];
- lev.key_score = src[0x82C];
- lev.exit_score = src[0x82D] * 8 / 5;
- lev.lenses_score = src[0x867];
- lev.magnify_score = src[0x868];
- lev.slurp_score = src[0x869];
+ lev.wind_time = cav.wind_time;
+ lev.wind_cnt = cav.wind_cnt;
+ lev.wind_direction = cav.wind_direction;
- lev.lenses_time = src[0x86A] << 8 | src[0x86B];
- lev.magnify_time = src[0x86C] << 8 | src[0x86D];
- lev.wheel_time = src[0x838] << 8 | src[0x839];
+ lev.wonderwall_time = cav.wonderwall_time;
+ lev.wonderwall_state = cav.wonderwall_state;
- lev.wind_cnt_initial = src[0x865] & 15 ? lev.wind_time : 0;
- temp = src[0x865];
- lev.wind_direction_initial = (temp & 8 ? 0 :
- temp & 1 ? 1 :
- temp & 2 ? 2 :
- temp & 4 ? 3 : 0);
+ lev.killed_out_of_time = FALSE;
- lev.wonderwall_time_initial = src[0x836] << 8 | src[0x837];
+ lev.num_ball_arrays = cav.num_ball_arrays;
for (i = 0; i < 8; i++)
- for (x = 0; x < 9; x++)
- lev.eater_array[i][x] =
- get_em_element(src[eater_offset[i] + x], file_version);
-
- temp = get_em_element(src[0x86F], file_version);
- for (y = 0; y < 8; y++)
- {
- if (src[0x872] & 1)
- {
- for (x = 0; x < 8; x++)
- lev.ball_array[y][x] = temp;
- }
- else
- {
- lev.ball_array[y][1] = (src[0x873] & 1) ? temp : Xblank; /* north */
- lev.ball_array[y][6] = (src[0x873] & 2) ? temp : Xblank; /* south */
- lev.ball_array[y][3] = (src[0x873] & 4) ? temp : Xblank; /* west */
- lev.ball_array[y][4] = (src[0x873] & 8) ? temp : Xblank; /* east */
- lev.ball_array[y][7] = (src[0x873] & 16) ? temp : Xblank; /* southeast */
- lev.ball_array[y][5] = (src[0x873] & 32) ? temp : Xblank; /* southwest */
- lev.ball_array[y][2] = (src[0x873] & 64) ? temp : Xblank; /* northeast */
- lev.ball_array[y][0] = (src[0x873] & 128)? temp : Xblank; /* northwest */
- }
- }
-
- temp = src[0x878] << 8 | src[0x879];
-
- if (temp & 1)
- {
- lev.android_array[Xemerald] = Xemerald;
- lev.android_array[Xemerald_pause] = Xemerald;
- lev.android_array[Xemerald_fall] = Xemerald;
- lev.android_array[Yemerald_sB] = Xemerald;
- lev.android_array[Yemerald_eB] = Xemerald;
- lev.android_array[Yemerald_wB] = Xemerald;
- }
-
- if (temp & 2)
- {
- lev.android_array[Xdiamond] = Xdiamond;
- lev.android_array[Xdiamond_pause] = Xdiamond;
- lev.android_array[Xdiamond_fall] = Xdiamond;
- lev.android_array[Ydiamond_sB] = Xdiamond;
- lev.android_array[Ydiamond_eB] = Xdiamond;
- lev.android_array[Ydiamond_wB] = Xdiamond;
- }
-
- if (temp & 4)
- {
- lev.android_array[Xstone] = Xstone;
- lev.android_array[Xstone_pause] = Xstone;
- lev.android_array[Xstone_fall] = Xstone;
- lev.android_array[Ystone_sB] = Xstone;
- lev.android_array[Ystone_eB] = Xstone;
- lev.android_array[Ystone_wB] = Xstone;
- }
-
- if (temp & 8)
- {
- lev.android_array[Xbomb] = Xbomb;
- lev.android_array[Xbomb_pause] = Xbomb;
- lev.android_array[Xbomb_fall] = Xbomb;
- lev.android_array[Ybomb_sB] = Xbomb;
- lev.android_array[Ybomb_eB] = Xbomb;
- lev.android_array[Ybomb_wB] = Xbomb;
- }
-
- if (temp & 16)
- {
- lev.android_array[Xnut] = Xnut;
- lev.android_array[Xnut_pause] = Xnut;
- lev.android_array[Xnut_fall] = Xnut;
- lev.android_array[Ynut_sB] = Xnut;
- lev.android_array[Ynut_eB] = Xnut;
- lev.android_array[Ynut_wB] = Xnut;
- }
-
- if (temp & 32)
- {
- lev.android_array[Xtank_1_n] = Xtank_1_n;
- lev.android_array[Xtank_2_n] = Xtank_1_n;
- lev.android_array[Ytank_nB] = Xtank_1_n;
- lev.android_array[Ytank_n_e] = Xtank_1_n;
- lev.android_array[Ytank_n_w] = Xtank_1_n;
-
- lev.android_array[Xtank_1_e] = Xtank_1_e;
- lev.android_array[Xtank_2_e] = Xtank_1_e;
- lev.android_array[Ytank_eB] = Xtank_1_e;
- lev.android_array[Ytank_e_s] = Xtank_1_e;
- lev.android_array[Ytank_e_n] = Xtank_1_e;
-
- lev.android_array[Xtank_1_s] = Xtank_1_s;
- lev.android_array[Xtank_2_s] = Xtank_1_s;
- lev.android_array[Ytank_sB] = Xtank_1_s;
- lev.android_array[Ytank_s_w] = Xtank_1_s;
- lev.android_array[Ytank_s_e] = Xtank_1_s;
+ for (j = 0; j < 9; j++)
+ lev.eater_array[i][j] = cav.eater_array[i][j];
- lev.android_array[Xtank_1_w] = Xtank_1_w;
- lev.android_array[Xtank_2_w] = Xtank_1_w;
- lev.android_array[Ytank_wB] = Xtank_1_w;
- lev.android_array[Ytank_w_n] = Xtank_1_w;
- lev.android_array[Ytank_w_s] = Xtank_1_w;
- }
-
- if (temp & 64)
- {
- lev.android_array[Xeater_n] = Xeater_n;
- lev.android_array[Yeater_nB] = Xeater_n;
-
- lev.android_array[Xeater_e] = Xeater_e;
- lev.android_array[Yeater_eB] = Xeater_e;
-
- lev.android_array[Xeater_s] = Xeater_s;
- lev.android_array[Yeater_sB] = Xeater_s;
-
- lev.android_array[Xeater_w] = Xeater_w;
- lev.android_array[Yeater_wB] = Xeater_w;
- }
-
- if (temp & 128)
- {
- lev.android_array[Xbug_1_n] = Xbug_2_n;
- lev.android_array[Xbug_2_n] = Xbug_2_n;
- lev.android_array[Ybug_nB] = Xbug_2_n;
- lev.android_array[Ybug_n_e] = Xbug_2_n;
- lev.android_array[Ybug_n_w] = Xbug_2_n;
-
- lev.android_array[Xbug_1_e] = Xbug_2_e;
- lev.android_array[Xbug_2_e] = Xbug_2_e;
- lev.android_array[Ybug_eB] = Xbug_2_e;
- lev.android_array[Ybug_e_s] = Xbug_2_e;
- lev.android_array[Ybug_e_n] = Xbug_2_e;
-
- lev.android_array[Xbug_1_s] = Xbug_2_s;
- lev.android_array[Xbug_2_s] = Xbug_2_s;
- lev.android_array[Ybug_sB] = Xbug_2_s;
- lev.android_array[Ybug_s_w] = Xbug_2_s;
- lev.android_array[Ybug_s_e] = Xbug_2_s;
-
- lev.android_array[Xbug_1_w] = Xbug_2_w;
- lev.android_array[Xbug_2_w] = Xbug_2_w;
- lev.android_array[Ybug_wB] = Xbug_2_w;
- lev.android_array[Ybug_w_n] = Xbug_2_w;
- lev.android_array[Ybug_w_s] = Xbug_2_w;
- }
-
- if (temp & 256)
- {
- lev.android_array[Xalien] = Xalien;
- lev.android_array[Xalien_pause] = Xalien;
- lev.android_array[Yalien_nB] = Xalien;
- lev.android_array[Yalien_eB] = Xalien;
- lev.android_array[Yalien_sB] = Xalien;
- lev.android_array[Yalien_wB] = Xalien;
- }
-
- if (temp & 512)
- {
- lev.android_array[Xspring] = Xspring;
- lev.android_array[Xspring_pause] = Xspring;
- lev.android_array[Xspring_e] = Xspring;
- lev.android_array[Yspring_eB] = Xspring;
- lev.android_array[Yspring_alien_eB] = Xspring;
- lev.android_array[Xspring_w] = Xspring;
- lev.android_array[Yspring_wB] = Xspring;
- lev.android_array[Yspring_alien_wB] = Xspring;
- lev.android_array[Xspring_fall] = Xspring;
- lev.android_array[Yspring_sB] = Xspring;
- }
-
- if (temp & 1024)
- {
- lev.android_array[Yballoon_nB] = Xballoon;
- lev.android_array[Yballoon_eB] = Xballoon;
- lev.android_array[Yballoon_sB] = Xballoon;
- lev.android_array[Yballoon_wB] = Xballoon;
- lev.android_array[Xballoon] = Xballoon;
- }
-
- if (temp & 2048)
- {
- lev.android_array[Xfake_amoeba] = Xdrip;
- lev.android_array[Xfake_amoebaB] = Xdrip;
- lev.android_array[Xamoeba_1] = Xdrip;
- lev.android_array[Xamoeba_2] = Xdrip;
- lev.android_array[Xamoeba_3] = Xdrip;
- lev.android_array[Xamoeba_4] = Xdrip;
- lev.android_array[Xamoeba_5] = Xdrip;
- lev.android_array[Xamoeba_6] = Xdrip;
- lev.android_array[Xamoeba_7] = Xdrip;
- lev.android_array[Xamoeba_8] = Xdrip;
- }
-
- if (temp & 4096)
- {
- lev.android_array[Xdynamite] = Xdynamite;
- }
-
- for (temp = 1; temp < 2047; temp++)
- {
- switch (src[temp])
- {
- case 0x24: /* wonderwall */
- lev.wonderwall_state_initial = 1;
- lev.wonderwall_time_initial = 9999;
- break;
-
- case 0x28: /* wheel */
- lev.wheel_x_initial = temp & 63;
- lev.wheel_y_initial = temp >> 6;
- lev.wheel_cnt_initial = lev.wheel_time;
- break;
-
- case 0xA3: /* fake blank */
- lev.lenses_cnt_initial = 9999;
- break;
-
- case 0xA4: /* fake grass */
- lev.magnify_cnt_initial = 9999;
- break;
- }
- }
-
- /* first fill the complete playfield with the default border element */
- for (y = 0; y < CAVE_HEIGHT; y++)
- for (x = 0; x < CAVE_WIDTH; x++)
- native_em_level.cave[x][y] = Zborder;
-
- /* then copy the real level contents from level file into the playfield */
- temp = 0;
- for (y = 0; y < lev.height; y++)
- for (x = 0; x < lev.width; x++)
- native_em_level.cave[x][y] =
- get_em_element(src[temp++], file_version);
-
- /* at last, set the two players at their positions in the playfield */
- /* (native EM[C] levels always have exactly two players in a level) */
- for (i = 0; i < 2; i++)
- native_em_level.cave[ply[i].x_initial][ply[i].y_initial] = Zplayer;
-
- native_em_level.file_version = file_version;
-}
-
-void prepare_em_level(void)
-{
- int i, x, y;
- int players_left;
- boolean team_mode;
-
- /* reset all runtime variables to their initial values */
-
- for (y = 0; y < CAVE_HEIGHT; y++)
- for (x = 0; x < CAVE_WIDTH; x++)
- lev.cave[x + CAVE_BUFFER_XOFFSET][y + CAVE_BUFFER_YOFFSET] =
- native_em_level.cave[x][y];
-
- for (y = 0; y < CAVE_BUFFER_HEIGHT; y++)
- for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
- lev.next[x][y] = lev.cave[x][y];
-
- for (y = 0; y < CAVE_BUFFER_HEIGHT; y++)
- for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
- lev.draw[x][y] = lev.cave[x][y];
-
- lev.time_initial = lev.time_seconds;
- lev.time = lev.time_initial;
-
- lev.required = lev.required_initial;
- lev.score = 0;
-
- lev.android_move_cnt = lev.android_move_time;
- lev.android_clone_cnt = lev.android_clone_time;
-
- lev.ball_pos = 0;
- lev.ball_state = lev.ball_state_initial;
- lev.ball_cnt = lev.ball_time;
-
- lev.eater_pos = 0;
- lev.shine_cnt = 0;
-
- lev.lenses_cnt = lev.lenses_cnt_initial;
- lev.magnify_cnt = lev.magnify_cnt_initial;
-
- lev.wheel_cnt = lev.wheel_cnt_initial;
- lev.wheel_x = lev.wheel_x_initial;
- lev.wheel_y = lev.wheel_y_initial;
-
- lev.wind_direction = lev.wind_direction_initial;
- lev.wind_cnt = lev.wind_cnt_initial;
-
- lev.wonderwall_state = lev.wonderwall_state_initial;
- lev.wonderwall_time = lev.wonderwall_time_initial;
+ for (i = 0; i < 8; i++)
+ for (j = 0; j < 8; j++)
+ lev.ball_array[i][j] = cav.ball_array[i][j];
- lev.killed_out_of_time = FALSE;
+ for (i = 0; i < TILE_MAX; i++)
+ lev.android_array[i] = cav.android_array[i];
/* determine number of players in this level */
lev.home_initial = 0;
ply[i].exists = 0;
ply[i].alive_initial = FALSE;
- if (ply[i].x_initial != -1 && ply[i].y_initial != -1)
+ if (cav.player_x[i] != -1 &&
+ cav.player_y[i] != -1)
{
ply[i].exists = 1;
}
else
{
- int x = ply[i].x_initial;
- int y = ply[i].y_initial;
-
- native_em_level.cave[x][y] = Xblank;
+ int x = cav.player_x[i];
+ int y = cav.player_y[i];
- lev.cave[x + CAVE_BUFFER_XOFFSET][y + CAVE_BUFFER_YOFFSET] = Xblank;
- lev.next[x + CAVE_BUFFER_XOFFSET][y + CAVE_BUFFER_YOFFSET] = Xblank;
- lev.draw[x + CAVE_BUFFER_XOFFSET][y + CAVE_BUFFER_YOFFSET] = Xblank;
+ lev.cave[lev.left + x][lev.top + y] = Xblank;
+ lev.next[lev.left + x][lev.top + y] = Xblank;
+ lev.draw[lev.left + x][lev.top + y] = Xblank;
}
}
}
ply[i].dynamite_cnt = 0;
ply[i].keys = 0;
ply[i].anim = 0;
- ply[i].oldx = ply[i].x = ply[i].x_initial + CAVE_BUFFER_XOFFSET;
- ply[i].oldy = ply[i].y = ply[i].y_initial + CAVE_BUFFER_YOFFSET;
+ ply[i].oldx = ply[i].x = cav.player_x[i] + lev.left;
+ ply[i].oldy = ply[i].y = cav.player_y[i] + lev.top;
ply[i].last_move_dir = MV_NONE;
ply[i].joy_n = ply[i].joy_e = ply[i].joy_s = ply[i].joy_w = 0;
ply[i].joy_snap = ply[i].joy_drop = 0;