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Location: cpp/openttd-patchpack/source/src/ai/api/ai_error.cpp - annotation
r15577:a61e44bed2f3
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(svn r20247) -Fix: when it is known the loading an old savegame is going to fail, bail out immediately (using an exception) instead of going on until e.g. the expected number of byte is read
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/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ai_error.cpp Implementation of AIError. */
#include "ai_error.hpp"
#include "../../core/bitmath_func.hpp"
AIError::AIErrorMap AIError::error_map = AIError::AIErrorMap();
AIError::AIErrorMapString AIError::error_map_string = AIError::AIErrorMapString();
/* static */ AIErrorType AIError::GetLastError()
{
return AIObject::GetLastError();
}
/* static */ char *AIError::GetLastErrorString()
{
return strdup((*error_map_string.find(AIError::GetLastError())).second);
}
/* static */ AIErrorType AIError::StringToError(StringID internal_string_id)
{
uint index = GB(internal_string_id, 11, 5);
switch (GB(internal_string_id, 11, 5)) {
case 26: case 28: case 29: case 30: // NewGRF strings.
return ERR_NEWGRF_SUPPLIED_ERROR;
/* DO NOT SWAP case 14 and 4 because that will break StringToError due
* to the index dependency that relies on FALL THROUGHs. */
case 14: if (index < 0xE4) break; // Player name
case 4: if (index < 0xC0) break; // Town name
case 15: // Custom name
case 31: // Dynamic strings
/* These strings are 'random' and have no meaning.
* They actually shouldn't even be returned as error messages. */
return ERR_UNKNOWN;
default:
break;
}
AIErrorMap::iterator it = error_map.find(internal_string_id);
if (it == error_map.end()) return ERR_UNKNOWN;
return (*it).second;
}
/* static */ void AIError::RegisterErrorMap(StringID internal_string_id, AIErrorType ai_error_msg)
{
error_map[internal_string_id] = ai_error_msg;
}
/* static */ void AIError::RegisterErrorMapString(AIErrorType ai_error_msg, const char *message)
{
error_map_string[ai_error_msg] = message;
}
/* static */ AIError::ErrorCategories AIError::GetErrorCategory()
{
return (AIError::ErrorCategories)(GetLastError() >> (uint)ERR_CAT_BIT_SIZE);
}
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