diff options
Diffstat (limited to 'src/script/api/script_error.cpp')
-rw-r--r-- | src/script/api/script_error.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/script/api/script_error.cpp b/src/script/api/script_error.cpp new file mode 100644 index 000000000..0614c299e --- /dev/null +++ b/src/script/api/script_error.cpp @@ -0,0 +1,68 @@ +/* $Id$ */ + +/* + * 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 script_error.cpp Implementation of AIError. */ + +#include "../../stdafx.h" +#include "script_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); +} |