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/* $Id: highscore.cpp 15299 2009-01-31 20:16:06Z smatz $ */
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/** @file highscore.cpp Definition of functions used for highscore handling */
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#include "settings_type.h"
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#include "company_base.h"
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#include "company_func.h"
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#include "cheat_func.h"
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#include "string_func.h"
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#include "strings_func.h"
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#include "table/strings.h"
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#include "core/sort_func.hpp"
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#include "variables.h"
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HighScore _highscore_table[5][5]; // 4 difficulty-settings (+ network); top 5
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static const StringID _endgame_perf_titles[] = {
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STR_0214_ENTREPRENEUR,
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STR_0214_ENTREPRENEUR,
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STR_0215_INDUSTRIALIST,
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STR_0215_INDUSTRIALIST,
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STR_0219_TYCOON_OF_THE_CENTURY
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StringID EndGameGetPerformanceTitleFromValue(uint value)
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value = minu(value / 64, lengthof(_endgame_perf_titles) - 1);
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return _endgame_perf_titles[value];
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/** Save the highscore for the company */
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int8 SaveHighScoreValue(const Company *c)
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HighScore *hs = _highscore_table[_settings_game.difficulty.diff_level];
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uint16 score = c->old_economy[0].performance_history;
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/* Exclude cheaters from the honour of being in the highscore table */
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if (CheatHasBeenUsed()) return -1;
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for (i = 0; i < lengthof(_highscore_table[0]); i++) {
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/* You are in the TOP5. Move all values one down and save us there */
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if (hs[i].score <= score) {
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/* move all elements one down starting from the replaced one */
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memmove(&hs[i + 1], &hs[i], sizeof(HighScore) * (lengthof(_highscore_table[0]) - i - 1));
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SetDParam(0, c->index);
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SetDParam(1, c->index);
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GetString(hs[i].company, STR_HIGHSCORE_NAME, lastof(hs[i].company)); // get manager/company name string
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hs[i].title = EndGameGetPerformanceTitleFromValue(score);
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return -1; // too bad; we did not make it into the top5
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/** Sort all companies given their performance */
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static int CDECL HighScoreSorter(const Company * const *a, const Company * const *b)
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return (*b)->old_economy[0].performance_history - (*a)->old_economy[0].performance_history;
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/* Save the highscores in a network game when it has ended */
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#define LAST_HS_ITEM lengthof(_highscore_table) - 1
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int8 SaveHighScoreValueNetwork()
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const Company *cl[MAX_COMPANIES];
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/* Sort all active companies with the highest score first */
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FOR_ALL_COMPANIES(c) cl[count++] = c;
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QSortT(cl, count, &HighScoreSorter);
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memset(_highscore_table[LAST_HS_ITEM], 0, sizeof(_highscore_table[0]));
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/* Copy over Top5 companies */
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for (i = 0; i < lengthof(_highscore_table[LAST_HS_ITEM]) && i < count; i++) {
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HighScore *hs = &_highscore_table[LAST_HS_ITEM][i];
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SetDParam(0, cl[i]->index);
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SetDParam(1, cl[i]->index);
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GetString(hs->company, STR_HIGHSCORE_NAME, lastof(hs->company)); // get manager/company name string
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hs->score = cl[i]->old_economy[0].performance_history;
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hs->title = EndGameGetPerformanceTitleFromValue(hs->score);
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/* get the ranking of the local company */
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if (cl[i]->index == _local_company) company = i;
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/* Add top5 companys to highscore table */
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/** Save HighScore table to file */
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void SaveToHighScore()
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FILE *fp = fopen(_highscore_file, "wb");
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for (i = 0; i < LAST_HS_ITEM; i++) { // don't save network highscores
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for (hs = _highscore_table[i]; hs != endof(_highscore_table[i]); hs++) {
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/* First character is a command character, so strlen will fail on that */
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byte length = min(sizeof(hs->company), StrEmpty(hs->company) ? 0 : (int)strlen(&hs->company[1]) + 1);
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if (fwrite(&length, sizeof(length), 1, fp) != 1 || // write away string length
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fwrite(hs->company, length, 1, fp) > 1 || // Yes... could be 0 bytes too
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fwrite(&hs->score, sizeof(hs->score), 1, fp) != 1 ||
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fwrite(" ", 2, 1, fp) != 1) { // XXX - placeholder for hs->title, not saved anymore; compatibility
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DEBUG(misc, 1, "Could not save highscore.");
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/** Initialize the highscore table to 0 and if any file exists, load in values */
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void LoadFromHighScore()
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FILE *fp = fopen(_highscore_file, "rb");
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memset(_highscore_table, 0, sizeof(_highscore_table));
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for (i = 0; i < LAST_HS_ITEM; i++) { // don't load network highscores
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for (hs = _highscore_table[i]; hs != endof(_highscore_table[i]); hs++) {
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if (fread(&length, sizeof(length), 1, fp) != 1 ||
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fread(hs->company, length, 1, fp) > 1 || // Yes... could be 0 bytes too
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fread(&hs->score, sizeof(hs->score), 1, fp) != 1 ||
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fseek(fp, 2, SEEK_CUR) == -1) { // XXX - placeholder for hs->title, not saved anymore; compatibility
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DEBUG(misc, 1, "Highscore corrupted");
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*lastof(hs->company) = '\0';
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hs->title = EndGameGetPerformanceTitleFromValue(hs->score);
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src/highscore.cpp
