00001 /* $Id$ */ 00002 00003 /* 00004 * This file is part of OpenTTD. 00005 * 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. 00006 * 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. 00007 * 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/>. 00008 */ 00009 00012 #include "ai_error.hpp" 00013 #include "../../core/bitmath_func.hpp" 00014 00015 AIError::AIErrorMap AIError::error_map = AIError::AIErrorMap(); 00016 AIError::AIErrorMapString AIError::error_map_string = AIError::AIErrorMapString(); 00017 00018 /* static */ AIErrorType AIError::GetLastError() 00019 { 00020 return AIObject::GetLastError(); 00021 } 00022 00023 /* static */ char *AIError::GetLastErrorString() 00024 { 00025 return strdup((*error_map_string.find(AIError::GetLastError())).second); 00026 } 00027 00028 /* static */ AIErrorType AIError::StringToError(StringID internal_string_id) 00029 { 00030 uint index = GB(internal_string_id, 11, 5); 00031 switch (GB(internal_string_id, 11, 5)) { 00032 case 26: case 28: case 29: case 30: // NewGRF strings. 00033 return ERR_NEWGRF_SUPPLIED_ERROR; 00034 00035 /* DO NOT SWAP case 14 and 4 because that will break StringToError due 00036 * to the index dependency that relies on FALL THROUGHs. */ 00037 case 14: if (index < 0xE4) break; // Player name 00038 case 4: if (index < 0xC0) break; // Town name 00039 case 15: // Custom name 00040 case 31: // Dynamic strings 00041 /* These strings are 'random' and have no meaning. 00042 * They actually shouldn't even be returned as error messages. */ 00043 return ERR_UNKNOWN; 00044 00045 default: 00046 break; 00047 } 00048 00049 AIErrorMap::iterator it = error_map.find(internal_string_id); 00050 if (it == error_map.end()) return ERR_UNKNOWN; 00051 return (*it).second; 00052 } 00053 00054 /* static */ void AIError::RegisterErrorMap(StringID internal_string_id, AIErrorType ai_error_msg) 00055 { 00056 error_map[internal_string_id] = ai_error_msg; 00057 } 00058 00059 /* static */ void AIError::RegisterErrorMapString(AIErrorType ai_error_msg, const char *message) 00060 { 00061 error_map_string[ai_error_msg] = message; 00062 } 00063 00064 /* static */ AIError::ErrorCategories AIError::GetErrorCategory() 00065 { 00066 return (AIError::ErrorCategories)(GetLastError() >> (uint)ERR_CAT_BIT_SIZE); 00067 }