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Location: cpp/openttd-patchpack/source/src/highscore.cpp
r24171:b76f3d07eedd
6.2 KiB
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Codechange: Use a dynamic copyright year
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | /*
* 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 highscore.cpp Definition of functions used for highscore handling */
#include "stdafx.h"
#include "highscore.h"
#include "company_base.h"
#include "company_func.h"
#include "cheat_func.h"
#include "string_func.h"
#include "strings_func.h"
#include "table/strings.h"
#include "debug.h"
#include "safeguards.h"
HighScore _highscore_table[SP_HIGHSCORE_END][5]; ///< various difficulty-settings; top 5
char *_highscore_file; ///< The file to store the highscore data in.
static const StringID _endgame_perf_titles[] = {
STR_HIGHSCORE_PERFORMANCE_TITLE_BUSINESSMAN,
STR_HIGHSCORE_PERFORMANCE_TITLE_BUSINESSMAN,
STR_HIGHSCORE_PERFORMANCE_TITLE_BUSINESSMAN,
STR_HIGHSCORE_PERFORMANCE_TITLE_BUSINESSMAN,
STR_HIGHSCORE_PERFORMANCE_TITLE_BUSINESSMAN,
STR_HIGHSCORE_PERFORMANCE_TITLE_ENTREPRENEUR,
STR_HIGHSCORE_PERFORMANCE_TITLE_ENTREPRENEUR,
STR_HIGHSCORE_PERFORMANCE_TITLE_INDUSTRIALIST,
STR_HIGHSCORE_PERFORMANCE_TITLE_INDUSTRIALIST,
STR_HIGHSCORE_PERFORMANCE_TITLE_CAPITALIST,
STR_HIGHSCORE_PERFORMANCE_TITLE_CAPITALIST,
STR_HIGHSCORE_PERFORMANCE_TITLE_MAGNATE,
STR_HIGHSCORE_PERFORMANCE_TITLE_MAGNATE,
STR_HIGHSCORE_PERFORMANCE_TITLE_MOGUL,
STR_HIGHSCORE_PERFORMANCE_TITLE_MOGUL,
STR_HIGHSCORE_PERFORMANCE_TITLE_TYCOON_OF_THE_CENTURY
};
StringID EndGameGetPerformanceTitleFromValue(uint value)
{
value = minu(value / 64, lengthof(_endgame_perf_titles) - 1);
return _endgame_perf_titles[value];
}
/** Save the highscore for the company */
int8 SaveHighScoreValue(const Company *c)
{
HighScore *hs = _highscore_table[SP_CUSTOM];
uint i;
uint16 score = c->old_economy[0].performance_history;
/* Exclude cheaters from the honour of being in the highscore table */
if (CheatHasBeenUsed()) return -1;
for (i = 0; i < lengthof(_highscore_table[0]); i++) {
/* You are in the TOP5. Move all values one down and save us there */
if (hs[i].score <= score) {
/* move all elements one down starting from the replaced one */
memmove(&hs[i + 1], &hs[i], sizeof(HighScore) * (lengthof(_highscore_table[0]) - i - 1));
SetDParam(0, c->index);
SetDParam(1, c->index);
GetString(hs[i].company, STR_HIGHSCORE_NAME, lastof(hs[i].company)); // get manager/company name string
hs[i].score = score;
hs[i].title = EndGameGetPerformanceTitleFromValue(score);
return i;
}
}
return -1; // too bad; we did not make it into the top5
}
/** Sort all companies given their performance */
static bool HighScoreSorter(const Company * const &a, const Company * const &b)
{
return b->old_economy[0].performance_history < a->old_economy[0].performance_history;
}
/**
* Save the highscores in a network game when it has ended
* @return Position of the local company in the highscore list.
*/
int8 SaveHighScoreValueNetwork()
{
const Company *cl[MAX_COMPANIES];
uint count = 0;
int8 company = -1;
/* Sort all active companies with the highest score first */
for (const Company *c : Company::Iterate()) cl[count++] = c;
std::sort(std::begin(cl), std::begin(cl) + count, HighScoreSorter);
{
uint i;
memset(_highscore_table[SP_MULTIPLAYER], 0, sizeof(_highscore_table[SP_MULTIPLAYER]));
/* Copy over Top5 companies */
for (i = 0; i < lengthof(_highscore_table[SP_MULTIPLAYER]) && i < count; i++) {
HighScore *hs = &_highscore_table[SP_MULTIPLAYER][i];
SetDParam(0, cl[i]->index);
SetDParam(1, cl[i]->index);
GetString(hs->company, STR_HIGHSCORE_NAME, lastof(hs->company)); // get manager/company name string
hs->score = cl[i]->old_economy[0].performance_history;
hs->title = EndGameGetPerformanceTitleFromValue(hs->score);
/* get the ranking of the local company */
if (cl[i]->index == _local_company) company = i;
}
}
/* Add top5 companies to highscore table */
return company;
}
/** Save HighScore table to file */
void SaveToHighScore()
{
FILE *fp = fopen(_highscore_file, "wb");
if (fp != nullptr) {
uint i;
HighScore *hs;
for (i = 0; i < SP_SAVED_HIGHSCORE_END; i++) {
for (hs = _highscore_table[i]; hs != endof(_highscore_table[i]); hs++) {
/* First character is a command character, so strlen will fail on that */
byte length = min(sizeof(hs->company), StrEmpty(hs->company) ? 0 : (int)strlen(&hs->company[1]) + 1);
if (fwrite(&length, sizeof(length), 1, fp) != 1 || // write away string length
fwrite(hs->company, length, 1, fp) > 1 || // Yes... could be 0 bytes too
fwrite(&hs->score, sizeof(hs->score), 1, fp) != 1 ||
fwrite(" ", 2, 1, fp) != 1) { // XXX - placeholder for hs->title, not saved anymore; compatibility
DEBUG(misc, 1, "Could not save highscore.");
i = SP_SAVED_HIGHSCORE_END;
break;
}
}
}
fclose(fp);
}
}
/** Initialize the highscore table to 0 and if any file exists, load in values */
void LoadFromHighScore()
{
FILE *fp = fopen(_highscore_file, "rb");
memset(_highscore_table, 0, sizeof(_highscore_table));
if (fp != nullptr) {
uint i;
HighScore *hs;
for (i = 0; i < SP_SAVED_HIGHSCORE_END; i++) {
for (hs = _highscore_table[i]; hs != endof(_highscore_table[i]); hs++) {
byte length;
if (fread(&length, sizeof(length), 1, fp) != 1 ||
fread(hs->company, min<int>(lengthof(hs->company), length), 1, fp) > 1 || // Yes... could be 0 bytes too
fread(&hs->score, sizeof(hs->score), 1, fp) != 1 ||
fseek(fp, 2, SEEK_CUR) == -1) { // XXX - placeholder for hs->title, not saved anymore; compatibility
DEBUG(misc, 1, "Highscore corrupted");
i = SP_SAVED_HIGHSCORE_END;
break;
}
str_validate(hs->company, lastof(hs->company), SVS_NONE);
hs->title = EndGameGetPerformanceTitleFromValue(hs->score);
}
}
fclose(fp);
}
}
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