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new file 100644
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/* $Id$ */
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/** @file ai_error.cpp Implementation of AIError. */
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#include "ai_error.hpp"
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#include "table/strings.h"
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#include "../../core/bitmath_func.hpp"
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AIError::AIErrorMap AIError::error_map = AIError::AIErrorMap();
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AIError::AIErrorMapString AIError::error_map_string = AIError::AIErrorMapString();
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/* static */ AIErrorType AIError::GetLastError()
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{
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return AIObject::GetLastError();
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}
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/* static */ const char *AIError::GetLastErrorString()
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{
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return (*error_map_string.find(AIError::GetLastError())).second;
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}
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/* static */ AIErrorType AIError::StringToError(StringID internal_string_id)
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{
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uint index = GB(internal_string_id, 11, 5);
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switch (GB(internal_string_id, 11, 5)) {
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case 26: case 28: case 29: case 30: // NewGRF strings.
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return ERR_NEWGRF_SUPPLIED_ERROR;
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/* DO NOT SWAP case 14 and 4 because that will break StringToError due
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* to the index dependency that relies on FALL THROUGHs. */
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case 14: if (index < 0xE4) break; // Player name
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case 4: if (index < 0xC0) break; // Town name
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case 15: // Custom name
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case 31: // Dynamic strings
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/* These strings are 'random' and have no meaning.
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* They actually shouldn't even be returned as error messages. */
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return ERR_UNKNOWN;
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default:
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break;
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}
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AIErrorMap::iterator it = error_map.find(internal_string_id);
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if (it == error_map.end()) return ERR_UNKNOWN;
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return (*it).second;
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}
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/* static */ void AIError::RegisterErrorMap(StringID internal_string_id, AIErrorType ai_error_msg)
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{
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error_map[internal_string_id] = ai_error_msg;
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}
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/* static */ void AIError::RegisterErrorMapString(AIErrorType ai_error_msg, const char *message)
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{
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error_map_string[ai_error_msg] = message;
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}
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/* static */ AIError::ErrorCategories AIError::GetErrorCategory() {
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return (AIError::ErrorCategories)(GetLastError() >> (uint)ERR_CAT_BIT_SIZE);
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}
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