# signs_sl.cpp

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    00001 /* $Id: signs_sl.cpp 15299 2009-01-31 20:16:06Z smatz $ */
    00002
    00005 #include "../stdafx.h"
    00006 #include "../company_func.h"
    00007 #include "../signs_base.h"
    00008
    00009 #include "saveload.h"
    00010
    00011 static const SaveLoad _sign_desc[] = {
    00012   SLE_CONDVAR(Sign, name,  SLE_NAME,                   0, 83),
    00013   SLE_CONDSTR(Sign, name,  SLE_STR, 0,                84, SL_MAX_VERSION),
    00014   SLE_CONDVAR(Sign, x,     SLE_FILE_I16 | SLE_VAR_I32, 0, 4),
    00015   SLE_CONDVAR(Sign, y,     SLE_FILE_I16 | SLE_VAR_I32, 0, 4),
    00016   SLE_CONDVAR(Sign, x,     SLE_INT32,                  5, SL_MAX_VERSION),
    00017   SLE_CONDVAR(Sign, y,     SLE_INT32,                  5, SL_MAX_VERSION),
    00018   SLE_CONDVAR(Sign, owner, SLE_UINT8,                  6, SL_MAX_VERSION),
    00019       SLE_VAR(Sign, z,     SLE_UINT8),
    00020   SLE_END()
    00021 };
    00022
    00024 static void Save_SIGN()
    00025 {
    00026   Sign *si;
    00027
    00028   FOR_ALL_SIGNS(si) {
    00029     SlSetArrayIndex(si->index);
    00030     SlObject(si, _sign_desc);
    00031   }
    00032 }
    00033
    00035 static void Load_SIGN()
    00036 {
    00037   int index;
    00038   while ((index = SlIterateArray()) != -1) {
    00039     Sign *si = new (index) Sign();
    00040     SlObject(si, _sign_desc);
    00041     /* Before version 6.1, signs didn't have owner.
    00042      * Before version 83, invalid signs were determined by si->str == 0.
    00043      * Before version 103, owner could be a bankrupted company.
    00044      *  - we can't use IsValidCompany() now, so this is fixed in AfterLoadGame()
    00045      * All signs that were saved are valid (including those with just 'Sign' and INVALID_OWNER).
    00046      *  - so set owner to OWNER_NONE if needed (signs from pre-version 6.1 would be lost) */
    00047     if (CheckSavegameVersionOldStyle(6, 1) || (CheckSavegameVersion(83) && si->owner == INVALID_OWNER)) {
    00048       si->owner = OWNER_NONE;
    00049     }
    00050   }
    00051 }
    00052
    00053 extern const ChunkHandler _sign_chunk_handlers[] = {
    00054   { 'SIGN', Save_SIGN, Load_SIGN, CH_ARRAY | CH_LAST},
    00055 };