Changeset - r2987:d77581f9edfd
[Not reviewed]
master
0 1 0
tron - 19 years ago 2006-02-06 08:28:31
tron@openttd.org
(svn r3562) Remove pointless buffer copies
1 file changed with 2 insertions and 9 deletions:
0 comments (0 inline, 0 general)
players.c
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@@ -943,158 +943,151 @@ static const StringID _endgame_perf_titl
 
	STR_0214_ENTREPRENEUR,
 
	STR_0215_INDUSTRIALIST,
 
	STR_0215_INDUSTRIALIST,
 
	STR_0216_CAPITALIST,
 
	STR_0216_CAPITALIST,
 
	STR_0217_MAGNATE,
 
	STR_0217_MAGNATE,
 
	STR_0218_MOGUL,
 
	STR_0218_MOGUL,
 
	STR_0219_TYCOON_OF_THE_CENTURY,
 
};
 

	
 
StringID EndGameGetPerformanceTitleFromValue(uint value)
 
{
 
	value = minu(value, 1000) >> 6;
 
	if (value >= lengthof(_endgame_perf_titles)) value = lengthof(_endgame_perf_titles) - 1;
 

	
 
	return _endgame_perf_titles[value];
 
}
 

	
 
/* Return true if any cheat has been used, false otherwise */
 
static bool CheatHasBeenUsed(void)
 
{
 
	const Cheat* cht = (Cheat*) &_cheats;
 
	const Cheat* cht_last = &cht[sizeof(_cheats) / sizeof(Cheat)];
 

	
 
	for (; cht != cht_last; cht++) {
 
		if (cht->been_used)
 
			return true;
 
	}
 

	
 
	return false;
 
}
 

	
 
/* Save the highscore for the player */
 
int8 SaveHighScoreValue(const Player *p)
 
{
 
	HighScore *hs = _highscore_table[_opt.diff_level];
 
	uint i;
 
	uint16 score = p->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) {
 
			char buf[sizeof(hs[i].company)];
 

	
 
			// 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, p->president_name_1);
 
			SetDParam(1, p->president_name_2);
 
			SetDParam(2, p->name_1);
 
			SetDParam(3, p->name_2);
 
			GetString(buf, STR_HIGHSCORE_NAME); // get manager/company name string
 
			ttd_strlcpy(hs[i].company, buf, sizeof(buf));
 
			GetString(hs[i].company, STR_HIGHSCORE_NAME); // 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 players given their performance */
 
static int CDECL HighScoreSorter(const void *a, const void *b)
 
{
 
	const Player *pa = *(const Player* const*)a;
 
	const Player *pb = *(const Player* const*)b;
 

	
 
	return pb->old_economy[0].performance_history - pa->old_economy[0].performance_history;
 
}
 

	
 
/* Save the highscores in a network game when it has ended */
 
#define LAST_HS_ITEM lengthof(_highscore_table) - 1
 
int8 SaveHighScoreValueNetwork(void)
 
{
 
	Player *p, *player_sort[MAX_PLAYERS];
 
	size_t count = 0;
 
	int8 player = -1;
 

	
 
	/* Sort all active players with the highest score first */
 
	FOR_ALL_PLAYERS(p) {
 
		if (p->is_active)
 
			player_sort[count++] = p;
 
	}
 
	qsort(player_sort, count, sizeof(player_sort[0]), HighScoreSorter);
 

	
 
	{
 
		HighScore *hs;
 
		Player* const *p_cur = &player_sort[0];
 
		uint8 i;
 

	
 
		memset(_highscore_table[LAST_HS_ITEM], 0, sizeof(_highscore_table[0]));
 

	
 
		/* Copy over Top5 companies */
 
		for (i = 0; i < lengthof(_highscore_table[LAST_HS_ITEM]) && i < count; i++) {
 
			char buf[sizeof(_highscore_table[0]->company)];
 

	
 
			hs = &_highscore_table[LAST_HS_ITEM][i];
 
			SetDParam(0, (*p_cur)->president_name_1);
 
			SetDParam(1, (*p_cur)->president_name_2);
 
			SetDParam(2, (*p_cur)->name_1);
 
			SetDParam(3, (*p_cur)->name_2);
 
			GetString(buf, STR_HIGHSCORE_NAME); // get manager/company name string
 

	
 
			ttd_strlcpy(hs->company, buf, sizeof(buf));
 
			GetString(hs->company, STR_HIGHSCORE_NAME); // get manager/company name string
 
			hs->score = (*p_cur)->old_economy[0].performance_history;
 
			hs->title = EndGameGetPerformanceTitleFromValue(hs->score);
 

	
 
			// get the ranking of the local player
 
			if ((*p_cur)->index == _local_player)
 
				player = i;
 

	
 
			p_cur++;
 
		}
 
	}
 

	
 
	/* Add top5 players to highscore table */
 
	return player;
 
}
 

	
 
/* Save HighScore table to file */
 
void SaveToHighScore(void)
 
{
 
	FILE *fp = fopen(_highscore_file, "wb");
 

	
 
	if (fp != NULL) {
 
		uint i;
 
		HighScore *hs;
 

	
 
		for (i = 0; i < LAST_HS_ITEM; i++) { // don't save network highscores
 
			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), (hs->company[0] == '\0') ? 0 : strlen(&hs->company[1]) + 1);
 

	
 
				fwrite(&length, sizeof(length), 1, fp); // write away string length
 
				fwrite(hs->company, length, 1, fp);
 
				fwrite(&hs->score, sizeof(hs->score), 1, fp);
 
				fwrite("", 2, 1, fp); /* XXX - placeholder for hs->title, not saved anymore; compatibility */
 
			}
 
		}
 
		fclose(fp);
 
	}
 
}
 

	
 
/* Initialize the highscore table to 0 and if any file exists, load in values */
 
void LoadFromHighScore(void)
 
{
 
	FILE *fp = fopen(_highscore_file, "rb");
 

	
 
	memset(_highscore_table, 0, sizeof(_highscore_table));
 

	
 
	if (fp != NULL) {
 
		uint i;
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