X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_em%2Fconvert.c;h=116cde4bfb2bd51708dbde2142cff266e0f9311d;hb=4b9cc1bf8622907234c4f0cb6c5a7e060a045404;hp=f53bd21d43d28d8e4e68b049760ad67d50c404a9;hpb=c1dca83f9655759c36e3e5e9e95739d46c55c894;p=rocksndiamonds.git diff --git a/src/game_em/convert.c b/src/game_em/convert.c index f53bd21d..116cde4b 100644 --- a/src/game_em/convert.c +++ b/src/game_em/convert.c @@ -8,9 +8,7 @@ * inconsequential, but no doubt it will break some caves. */ -#include "global.h" -#include "tile.h" -#include "level.h" +#include "main_em.h" static unsigned char remap_v6[256] = @@ -22,7 +20,7 @@ static unsigned char remap_v6[256] = 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, 68,69,69,69, 69,73,74,75, 118,75,75,75, + 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, @@ -97,20 +95,31 @@ static unsigned char remap_v4eater[28] = 146,147,175,65,66,64,2,18 }; -int cleanup_em_level(unsigned char *src, int length) +static boolean filename_has_v1_format(char *filename) { - int file_version = 0; + 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) +{ + int file_version = FILE_VERSION_EM_UNKNOWN; int i; if (length >= 2172 && - src[2106] == 255 && - src[2107] == 54 && - src[2108] == 48 && - src[2109] == 48) + 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++) @@ -119,14 +128,15 @@ int cleanup_em_level(unsigned char *src, int length) src[i] = remap_v6[src[i]]; } else if (length >= 2110 && - src[2106] == 255 && - src[2107] == 53 && - src[2108] == 48 && - src[2109] == 48) + 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++) @@ -134,54 +144,64 @@ int cleanup_em_level(unsigned char *src, int length) for (i = 2112; i < 2148; i++) src[i] = src[i - 64]; } -#if 0 - else if (length >= 2106) /* !!! TEST ONLY: SHOW BROKEN LEVELS !!! */ -#else else if (length >= 2106 && - src[1983] == 116) -#endif + (src[1983] == 27 || /* encrypted (only EM I/II/III) */ + src[1983] == 116 || /* unencrypted (usual case) */ + src[1983] == 131)) /* unencrypted (rare case) */ { - /* ---------- this cave has V4 file format ---------- */ - file_version = FILE_VERSION_EM_V4; + /* ---------- this cave has V1, V2 or V3 file 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]; - } - else if (length >= 2106 && - src[0] == 241 && /* <-- Emerald Mine I levels */ - src[1983] == 27) - { - unsigned char j = 94; + boolean fix_copyright = FALSE; - /* ---------- this cave has V3 file format ---------- */ - file_version = FILE_VERSION_EM_V3; + /* + 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) + */ - for (i = 0; i < 2106; i++) - src[i] = (src[i] ^ (j += 7)) - 0x11; - src[1] = 131; - 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 1 - else if (length >= 2106 && - src[0] == 245 && /* <-- Emerald Mine II levels */ - src[1983] == 27) - { - unsigned char j = 94; + 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; - /* ---------- this cave has V3 file format ---------- */ - file_version = FILE_VERSION_EM_V3; + 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 */ - for (i = 0; i < 2106; i++) - src[i] = (src[i] ^ (j += 7)) - 0x11; - src[1] = 131; + 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++) @@ -189,33 +209,40 @@ int cleanup_em_level(unsigned char *src, int length) for (i = 2112; i < 2148; i++) src[i] = src[i - 64]; - /* fix copyright 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' */ + 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' */ + } } -#endif else { /* ---------- this cave has unknown file format ---------- */ -#if 1 - printf("::: %d, %d\n", src[0], src[1983]); -#endif + /* 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 0; + return FILE_VERSION_EM_UNKNOWN; } if (file_version < FILE_VERSION_EM_V6) { /* id */ - src[2106] = 255; - src[2107] = 54; - src[2108] = 48; - src[2109] = 48; + 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; @@ -237,11 +264,34 @@ int cleanup_em_level(unsigned char *src, int length) 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 */ @@ -249,13 +299,25 @@ int cleanup_em_level(unsigned char *src, int length) { if (src[i] == 63) /* 'Xacid_s' (acid pool, bottom middle) */ { - if (file_version == FILE_VERSION_EM_V4 && + if (file_version <= FILE_VERSION_EM_V2 && i < 2048 - 64 && src[i + 64] == 63) - src[i - 64] = 255; /* replace element above with 'Xfake_acid_1' */ + { + 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 */ @@ -386,9 +448,9 @@ int cleanup_em_level(unsigned char *src, int length) /* size of v6 cave */ length = 2172; -#if 1 +#if 0 if (options.debug) - printf("::: EM level file version: %d\n", file_version); + Error(ERR_DEBUG, "EM level file version: %d", file_version); #endif return file_version; @@ -413,6 +475,9 @@ int cleanup_em_level(unsigned char *src, int length) * 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: * @@ -441,19 +506,28 @@ int cleanup_em_level(unsigned char *src, int length) * - 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_n, Xtank_e, Xtank_s, Xtank_w, - Xtank_gon, Xtank_goe, Xtank_gos, Xtank_gow, + 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_n, Xbug_e, Xbug_s, Xbug_w, - Xbug_gon, Xbug_goe, Xbug_gos, Xbug_gow, - Xdrip_eat, Xdrip_eat, Xdrip_eat, Xdrip_eat, + 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, @@ -462,12 +536,12 @@ static unsigned short remap_emerald[256] = Xblank, Xsand, Xsand, Xsand, Xsand_stone, Xsand_stone, Xsand_stone, Xsand, - Xstone, Xgrow_ew, Xgrow_ns, Xdynamite_1, + Xstone, Xslide_ew, Xslide_ns, Xdynamite_1, Xdynamite_2, Xdynamite_3, Xdynamite_4, Xacid_s, Xexit_1, Xexit_2, Xexit_3, Xballoon, - Xplant, Xspring, Xspring, Xspring, - Xspring, Xball_1, Xball_2, Xandroid, + Xplant, Xspring, Xspring_fall, Xspring_w, + Xspring_e, Xball_1, Xball_2, Xandroid, Xblank, Xandroid, Xandroid, Xandroid, Xandroid, Xandroid, Xandroid, Xandroid, @@ -475,36 +549,20 @@ static unsigned short remap_emerald[256] = Xblank, Xblank, Xblank, Xblank, Xblank, Xblank, Xblank, Xblank, -#ifdef BAD_ROLL - - Xblank, Xblank, Xblank, Xspring_force_w, - Xspring_force_e, Xacid_1, Xacid_2, Xacid_3, + 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, Xnut_force_w, Xnut_force_e, - Xsteel_1, Xblank, Xblank, Xbomb_force_w, - Xbomb_force_e, Xstone_force_w, Xstone_force_e, 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, -#else - - Xblank, Xblank, Xblank, Xspring, - Xspring, Xacid_1, Xacid_2, Xacid_3, - Xacid_4, Xacid_5, Xacid_6, Xacid_7, - Xacid_8, Xblank, Xblank, Xblank, - - Xblank, Xblank, Xnut, Xnut, - Xsteel_1, Xblank, Xblank, Xbomb, - Xbomb, Xstone, Xstone, Xblank, - Xblank, Xblank, Xblank, Xblank, - -#endif - - Xblank, Xround_wall_1, Xgrass, Xsteel_1, + Xblank, Xroundwall_1, Xgrass, Xsteel_1, Xwall_1, Xkey_1, Xkey_2, Xkey_3, Xkey_4, Xdoor_1, Xdoor_2, Xdoor_3, - Xdoor_4, Xdripper, Xfake_door_1, Xfake_door_2, + 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, @@ -517,8 +575,8 @@ static unsigned short remap_emerald[256] = Xalpha_comma, Xalpha_quote, Xalpha_minus, Xdynamite, Xsteel_3, Xdecor_6, Xdecor_7, Xsteel_2, - Xround_wall_2, Xdecor_2, Xdecor_4, Xdecor_3, - Xwind_nesw, Xwind_e, Xwind_s, Xwind_w, + 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, @@ -547,6 +605,20 @@ static unsigned short remap_emerald[256] = #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] = @@ -571,8 +643,8 @@ void convert_em_level(unsigned char *src, int file_version) for (i = 0; i < 2; i++) { temp = src[0x830 + i * 2] << 8 | src[0x831 + i * 2]; - ply[i].x_initial = (temp & 63) + 1; - ply[i].y_initial = (temp >> 6 & 31) + 1; + ply[i].x_initial = (temp & 63); + ply[i].y_initial = (temp >> 6 & 31); } temp = (src[0x834] << 8 | src[0x835]) * 28; @@ -616,9 +688,10 @@ void convert_em_level(unsigned char *src, int file_version) for (i = 0; i < 8; i++) for (x = 0; x < 9; x++) - lev.eater_array[i][x] = remap_emerald[src[eater_offset[i] + x]]; + lev.eater_array[i][x] = + get_em_element(src[eater_offset[i] + x], file_version); - temp = remap_emerald[src[0x86F]]; + temp = get_em_element(src[0x86F], file_version); for (y = 0; y < 8; y++) { if (src[0x872] & 1) @@ -693,29 +766,29 @@ void convert_em_level(unsigned char *src, int file_version) if (temp & 32) { - lev.android_array[Xtank_n] = Xtank_n; - lev.android_array[Xtank_gon] = Xtank_n; - lev.android_array[Ytank_nB] = Xtank_n; - lev.android_array[Ytank_n_e] = Xtank_n; - lev.android_array[Ytank_n_w] = Xtank_n; - - lev.android_array[Xtank_e] = Xtank_e; - lev.android_array[Xtank_goe] = Xtank_e; - lev.android_array[Ytank_eB] = Xtank_e; - lev.android_array[Ytank_e_s] = Xtank_e; - lev.android_array[Ytank_e_n] = Xtank_e; - - lev.android_array[Xtank_s] = Xtank_s; - lev.android_array[Xtank_gos] = Xtank_s; - lev.android_array[Ytank_sB] = Xtank_s; - lev.android_array[Ytank_s_w] = Xtank_s; - lev.android_array[Ytank_s_e] = Xtank_s; - - lev.android_array[Xtank_w] = Xtank_w; - lev.android_array[Xtank_gow] = Xtank_w; - lev.android_array[Ytank_wB] = Xtank_w; - lev.android_array[Ytank_w_n] = Xtank_w; - lev.android_array[Ytank_w_s] = Xtank_w; + 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; + + 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) @@ -735,29 +808,29 @@ void convert_em_level(unsigned char *src, int file_version) if (temp & 128) { - lev.android_array[Xbug_n] = Xbug_gon; - lev.android_array[Xbug_gon] = Xbug_gon; - lev.android_array[Ybug_nB] = Xbug_gon; - lev.android_array[Ybug_n_e] = Xbug_gon; - lev.android_array[Ybug_n_w] = Xbug_gon; - - lev.android_array[Xbug_e] = Xbug_goe; - lev.android_array[Xbug_goe] = Xbug_goe; - lev.android_array[Ybug_eB] = Xbug_goe; - lev.android_array[Ybug_e_s] = Xbug_goe; - lev.android_array[Ybug_e_n] = Xbug_goe; - - lev.android_array[Xbug_s] = Xbug_gos; - lev.android_array[Xbug_gos] = Xbug_gos; - lev.android_array[Ybug_sB] = Xbug_gos; - lev.android_array[Ybug_s_w] = Xbug_gos; - lev.android_array[Ybug_s_e] = Xbug_gos; - - lev.android_array[Xbug_w] = Xbug_gow; - lev.android_array[Xbug_gow] = Xbug_gow; - lev.android_array[Ybug_wB] = Xbug_gow; - lev.android_array[Ybug_w_n] = Xbug_gow; - lev.android_array[Ybug_w_s] = Xbug_gow; + 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) @@ -776,10 +849,10 @@ void convert_em_level(unsigned char *src, int file_version) lev.android_array[Xspring_pause] = Xspring; lev.android_array[Xspring_e] = Xspring; lev.android_array[Yspring_eB] = Xspring; - lev.android_array[Yspring_kill_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_kill_wB] = Xspring; + lev.android_array[Yspring_alien_wB] = Xspring; lev.android_array[Xspring_fall] = Xspring; lev.android_array[Yspring_sB] = Xspring; } @@ -795,16 +868,16 @@ void convert_em_level(unsigned char *src, int file_version) if (temp & 2048) { - lev.android_array[Xdripper] = Xdrip_eat; - lev.android_array[XdripperB] = Xdrip_eat; - lev.android_array[Xamoeba_1] = Xdrip_eat; - lev.android_array[Xamoeba_2] = Xdrip_eat; - lev.android_array[Xamoeba_3] = Xdrip_eat; - lev.android_array[Xamoeba_4] = Xdrip_eat; - lev.android_array[Xamoeba_5] = Xdrip_eat; - lev.android_array[Xamoeba_6] = Xdrip_eat; - lev.android_array[Xamoeba_7] = Xdrip_eat; - lev.android_array[Xamoeba_8] = Xdrip_eat; + lev.android_array[Xfake_amoeba] = Xdrip; + lev.android_array[Yfake_amoeba] = 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) @@ -827,48 +900,6 @@ void convert_em_level(unsigned char *src, int file_version) lev.wheel_cnt_initial = lev.wheel_time; break; -#ifndef BAD_ROLL - case 0x63: /* spring roll left */ - src[temp - 1] = 0x45; - src[temp] = 0x80; - break; - - case 0x64: /* spring roll right */ - src[temp + 1] = 0x45; - src[temp] = 0x80; - break; - - case 0x72: /* nut roll left */ - src[temp - 1] = 0x25; - src[temp] = 0x80; - break; - - case 0x73: /* nut roll right */ - src[temp + 1] = 0x25; - src[temp] = 0x80; - break; - - case 0x77: /* bomb roll left */ - src[temp - 1] = 0x10; - src[temp] = 0x80; - break; - - case 0x78: /* bomb roll right */ - src[temp + 1] = 0x10; - src[temp] = 0x80; - break; - - case 0x79: /* stone roll left */ - src[temp - 1] = 0x00; - src[temp] = 0x80; - break; - - case 0x7A: /* stone roll right */ - src[temp + 1] = 0x00; - src[temp] = 0x80; - break; -#endif - case 0xA3: /* fake blank */ lev.lenses_cnt_initial = 9999; break; @@ -880,26 +911,21 @@ void convert_em_level(unsigned char *src, int file_version) } /* first fill the complete playfield with the default border element */ - for (y = 0; y < HEIGHT; y++) - for (x = 0; x < WIDTH; x++) - native_em_level.cave[x][y] = ZBORDER; + 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 + 1][y + 1] = remap_emerald[src[temp++]]; + 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) */ -#if 1 for (i = 0; i < 2; i++) native_em_level.cave[ply[i].x_initial][ply[i].y_initial] = Zplayer; -#else - for (i = 0; i < 2; i++) - if (ply[i].alive_initial) - native_em_level.cave[ply[i].x_initial][ply[i].y_initial] = Zplayer; -#endif native_em_level.file_version = file_version; } @@ -908,27 +934,40 @@ void prepare_em_level(void) { int i, x, y; int players_left; - int num_tape_players; + boolean team_mode; /* reset all runtime variables to their initial values */ - for (y = 0; y < HEIGHT; y++) - for (x = 0; x < WIDTH; x++) - Cave[y][x] = native_em_level.cave[x][y]; + game_init_cave_buffers(); - for (y = 0; y < HEIGHT; y++) - for (x = 0; x < WIDTH; x++) - Next[y][x] = Cave[y][x]; + lev.left = CAVE_BUFFER_XOFFSET; + lev.top = CAVE_BUFFER_YOFFSET; + lev.right = lev.left + lev.width; + lev.bottom = lev.top + lev.height; - for (y = 0; y < HEIGHT; y++) - for (x = 0; x < WIDTH; x++) - Draw[y][x] = Cave[y][x]; + /* add linked cave buffer columns for wrap-around movement */ + for (x = 0; x < lev.left; x++) + { + 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]; + + 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]; + } + + for (x = 0; x < lev.width; x++) + for (y = 0; y < lev.height; y++) + lev.cave[lev.left + x][lev.top + y] = native_em_level.cave[x][y]; + + 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]; -#if 1 lev.time_initial = lev.time_seconds; -#else - lev.time_initial = (lev.time_seconds * 50 + 7) / 8; -#endif lev.time = lev.time_initial; lev.required = lev.required_initial; @@ -967,7 +1006,7 @@ void prepare_em_level(void) ply[i].exists = 0; ply[i].alive_initial = FALSE; - if (ply[i].x_initial > 0 && ply[i].y_initial > 0) + if (ply[i].x_initial != -1 && ply[i].y_initial != -1) { ply[i].exists = 1; @@ -975,12 +1014,10 @@ void prepare_em_level(void) } } - num_tape_players = getActivePlayers_EM(); + team_mode = getTeamMode_EM(); - if (num_tape_players != -1) - lev.home_initial = MIN(lev.home_initial, num_tape_players); - else if (!setup.team_mode) - lev.home_initial = MIN(lev.home_initial, 1); + if (!team_mode) + lev.home_initial = 1; lev.home = lev.home_initial; players_left = lev.home_initial; @@ -1001,7 +1038,9 @@ void prepare_em_level(void) native_em_level.cave[x][y] = Xblank; - Cave[y][x] = Next[y][x] = Draw[y][x] = 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; } } } @@ -1014,22 +1053,30 @@ void prepare_em_level(void) ply[i].dynamite_cnt = 0; ply[i].keys = 0; ply[i].anim = 0; - ply[i].oldx = ply[i].x = ply[i].x_initial; - ply[i].oldy = ply[i].y = ply[i].y_initial; + ply[i].oldx = ply[i].x = ply[i].x_initial + lev.left; + ply[i].oldy = ply[i].y = ply[i].y_initial + 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; ply[i].joy_stick = ply[i].joy_spin = 0; - -#if 0 - printf("player %d: x/y == %d/%d, alive == %d\n", - i, ply[i].x_initial, ply[i].y_initial, ply[i].alive); -#endif } + // the following engine variables are initialized to version-specific values + // in function InitGameEngine() (src/game.c): + // + // - game_em.use_single_button (default: TRUE) + // - game_em.use_snap_key_bug (default: FALSE) + + game_em.level_solved = FALSE; + game_em.game_over = FALSE; + game_em.any_player_moving = FALSE; + game_em.any_player_snapping = FALSE; + game_em.last_moving_player = 0; /* default: first player */ for (i = 0; i < MAX_PLAYERS; i++) game_em.last_player_direction[i] = MV_NONE; + + lev.exit_x = lev.exit_y = -1; /* kludge for playing player exit sound */ }