ref: 41936632e02a6bbf6a4a291afcf296995908830e
dir: /src/d_mode.c/
// // Copyright(C) 2005-2014 Simon Howard // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // // DESCRIPTION: // Functions and definitions relating to the game type and operational // mode. // #include "doomtype.h" #include "d_mode.h" // Valid game mode/mission combinations, with the number of // episodes/maps for each. static struct { GameMission_t mission; GameMode_t mode; int episode; int map; } valid_modes[] = { { pack_chex, retail, 1, 5 }, { doom, shareware, 1, 9 }, { doom, registered, 3, 9 }, { doom, retail, 4, 9 }, { doom2, commercial, 1, 32 }, { pack_tnt, commercial, 1, 32 }, { pack_plut, commercial, 1, 32 }, { pack_hacx, commercial, 1, 32 }, { heretic, shareware, 1, 9 }, { heretic, registered, 3, 9 }, { heretic, retail, 5, 9 }, { hexen, commercial, 1, 60 }, { strife, commercial, 1, 34 }, }; // Check that a gamemode+gamemission received over the network is valid. boolean D_ValidGameMode(GameMission_t mission, GameMode_t mode) { int i; for (i=0; i<arrlen(valid_modes); ++i) { if (valid_modes[i].mode == mode && valid_modes[i].mission == mission) { return true; } } return false; } boolean D_ValidEpisodeMap(GameMission_t mission, GameMode_t mode, int episode, int map) { int i; // Hacks for Heretic secret episodes if (mission == heretic) { if (mode == retail && episode == 6) { return map >= 1 && map <= 3; } else if (mode == registered && episode == 4) { return map == 1; } } // Find the table entry for this mission/mode combination. for (i=0; i<arrlen(valid_modes); ++i) { if (mission == valid_modes[i].mission && mode == valid_modes[i].mode) { return episode >= 1 && episode <= valid_modes[i].episode && map >= 1 && map <= valid_modes[i].map; } } // Unknown mode/mission combination return false; } // Get the number of valid episodes for the specified mission/mode. int D_GetNumEpisodes(GameMission_t mission, GameMode_t mode) { int episode; episode = 1; while (D_ValidEpisodeMap(mission, mode, episode, 1)) { ++episode; } return episode - 1; } // Table of valid versions static struct { GameMission_t mission; GameVersion_t version; } valid_versions[] = { { doom, exe_doom_1_666 }, { doom, exe_doom_1_7 }, { doom, exe_doom_1_8 }, { doom, exe_doom_1_9 }, { doom, exe_hacx }, { doom, exe_ultimate }, { doom, exe_final }, { doom, exe_final2 }, { doom, exe_chex }, { heretic, exe_heretic_1_3 }, { hexen, exe_hexen_1_1 }, { strife, exe_strife_1_2 }, { strife, exe_strife_1_31 }, }; boolean D_ValidGameVersion(GameMission_t mission, GameVersion_t version) { int i; // All Doom variants can use the Doom versions. if (mission == doom2 || mission == pack_plut || mission == pack_tnt || mission == pack_hacx || mission == pack_chex) { mission = doom; } for (i=0; i<arrlen(valid_versions); ++i) { if (valid_versions[i].mission == mission && valid_versions[i].version == version) { return true; } } return false; } // Does this mission type use ExMy form, rather than MAPxy form? boolean D_IsEpisodeMap(GameMission_t mission) { switch (mission) { case doom: case heretic: case pack_chex: return true; case none: case hexen: case doom2: case pack_hacx: case pack_tnt: case pack_plut: case strife: default: return false; } } const char *D_GameMissionString(GameMission_t mission) { switch (mission) { case none: default: return "none"; case doom: return "doom"; case doom2: return "doom2"; case pack_tnt: return "tnt"; case pack_plut: return "plutonia"; case pack_hacx: return "hacx"; case pack_chex: return "chex"; case heretic: return "heretic"; case hexen: return "hexen"; case strife: return "strife"; } } const char *D_GameModeString(GameMode_t mode) { switch (mode) { case shareware: return "shareware"; case registered: return "registered"; case commercial: return "commercial"; case retail: return "retail"; case indetermined: default: return "unknown"; } }