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(svn r2035) - Remove unneeded realloc() 

- Use TileOffsByDir() instead of home brewed table
This commit is contained in:
tron 2005-03-23 08:24:13 +00:00
parent fbc2eacade
commit b19553574e
1 changed files with 6 additions and 16 deletions
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22
train_cmd.c
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@ -81,7 +81,7 @@ static bool TrainShouldStop(Vehicle *v, TileIndex tile)
//new acceleration
static int GetTrainAcceleration(Vehicle *v, bool mode)
{
Vehicle *u = v;
const Vehicle *u;
int num = 0; //number of vehicles, change this into the number of axles later
int power = 0;
int mass = 0;
@ -96,25 +96,24 @@ static int GetTrainAcceleration(Vehicle *v, bool mode)
int pos = 0;
int lastpos = -1;
int curvecount[2] = {0, 0};
int *dist = NULL;
int sum = 0;
int numcurve = 0;
int i;
speed *= 10;
speed /= 16;
//first find the curve speed limit
for (; u->next != NULL; u = u->next, pos++) {
for (u = v; u->next != NULL; u = u->next, pos++) {
int dir = u->direction;
int ndir = u->next->direction;
int i;
for (i = 0; i < 2; i++) {
if ( _curve_neighbours45[dir][i] == ndir) {
curvecount[i]++;
if (lastpos != -1) {
dist = realloc(dist, sizeof(int) * ++numcurve);
dist[numcurve - 1] = pos - lastpos;
numcurve++;
sum += pos - lastpos;
if (pos - lastpos == 1) {
max_speed = 88;
}
@ -130,11 +129,6 @@ static int GetTrainAcceleration(Vehicle *v, bool mode)
}
}
for (i = 0; i < numcurve; i++) sum += dist[i];
free(dist);
dist = NULL;
if (numcurve > 0) sum /= numcurve;
if ((curvecount[0] != 0 || curvecount[1] != 0) && max_speed > 88) {
@ -150,10 +144,6 @@ static int GetTrainAcceleration(Vehicle *v, bool mode)
max_speed += (max_speed / 2) * v->u.rail.railtype;
if (IsTileType(v->tile, MP_STATION) && v->subtype == TS_Front_Engine) {
static const TileIndexDiffC _station_dir_from_vdir[] = {
{0, 0}, {-1, 0}, {0, 0}, {0, 1}, {0, 0}, {1, 0}, {0, 0}, {0, -1}
};
if (TrainShouldStop(v, v->tile)) {
int station_length = 0;
TileIndex tile = v->tile;
@ -162,7 +152,7 @@ static int GetTrainAcceleration(Vehicle *v, bool mode)
max_speed = 120;
do {
station_length++;
tile = TILE_ADD(tile, ToTileIndexDiff(_station_dir_from_vdir[v->direction]));
tile = TILE_ADD(tile, TileOffsByDir(v->direction / 2));
} while (IsTileType(tile, MP_STATION));
delta_v = v->cur_speed / (station_length + 1);