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(svn r11039) -Fix [FS#1191]: underflow that caused overflows in the performance rating calculation.

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rubidium 2007-09-02 20:41:46 +00:00
parent d396b0c556
commit b1effc466e
2 changed files with 3 additions and 12 deletions
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5
src/economy.cpp
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@ -217,10 +217,7 @@ int UpdateCompanyRatingAndValue(Player *p, bool update)
/* Skip the total */
if (i == SCORE_TOTAL) continue;
/* Check the score */
s = (_score_part[owner][i] >= _score_info[i].needed) ?
_score_info[i].score :
_score_part[owner][i] * _score_info[i].score / _score_info[i].needed;
if (s < 0) s = 0;
s = clamp(_score_part[owner][i], 0, _score_info[i].needed) * _score_info[i].score / _score_info[i].needed;
score += s;
total_score += _score_info[i].score;
}

10
src/graph_gui.cpp
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@ -1006,13 +1006,7 @@ static void PerformanceRatingDetailWndProc(Window *w, WindowEvent *e)
DrawStringRightAligned(107, y, SET_PERFORMANCE_DETAIL_INT, 0);
/* Calculate the %-bar */
if (val > needed) {
x = 50;
} else if (val == 0) {
x = 0;
} else {
x = val * 50 / needed;
}
x = clamp(val, 0, needed) * 50 / needed;
/* SCORE_LOAN is inversed */
if (val < 0 && i == SCORE_LOAN) x = 0;
@ -1022,7 +1016,7 @@ static void PerformanceRatingDetailWndProc(Window *w, WindowEvent *e)
if (x != 50) GfxFillRect(112 + x, y - 2, 112 + 50, y + 10, color_notdone);
/* Calculate the % */
x = (val <= needed) ? val * 100 / needed : 100;
x = clamp(val, 0, needed) * 100 / needed;
/* SCORE_LOAN is inversed */
if (val < 0 && i == SCORE_LOAN) x = 0;