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(svn r21195) -Fix [FS#4230] (r21135): in some corner cases the savegame conversion didn't do the right thing

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rubidium
2010-11-14 21:39:12 +00:00
parent c370f56bf3
commit d572100585
1 changed files with 13 additions and 8 deletions
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21
src/saveload/afterload.cpp
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@@ -2346,10 +2346,18 @@ bool AfterLoadGame()
byte frame = (vdir == DIAGDIR_NE || vdir == DIAGDIR_NW) ? TILE_SIZE - 1 - pos : pos;
extern const byte _tunnel_visibility_frame[DIAGDIR_END];
if (dir == vdir && !(v->vehstatus & VS_HIDDEN)) {
if (frame < _tunnel_visibility_frame[dir]) continue;
/* Tunnel entrance, make us invisible. */
v->tile = vtile;
/* Should the vehicle be hidden or not? */
bool hidden;
if (dir == vdir) { // Entering tunnel
hidden = frame >= _tunnel_visibility_frame[dir];
} else if (dir == ReverseDiagDir(vdir)) { // Leaving tunnel
hidden = frame < TILE_SIZE - _tunnel_visibility_frame[dir];
} else { // Something freaky going on?
NOT_REACHED();
}
v->tile = vtile;
if (hidden) {
v->vehstatus |= VS_HIDDEN;
switch (v->type) {
@@ -2357,10 +2365,7 @@ bool AfterLoadGame()
case VEH_ROAD: RoadVehicle::From(v)->state = RVSB_WORMHOLE; break;
default: NOT_REACHED();
}
} else if (dir == ReverseDiagDir(vdir) && (v->vehstatus & VS_HIDDEN)) {
if (frame < TILE_SIZE - _tunnel_visibility_frame[dir]) continue;
/* Tunnel exit, make us visible again. */
v->tile = vtile;
} else {
v->vehstatus &= ~VS_HIDDEN;
switch (v->type) {