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/* $Id$ */
/*
* 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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