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(svn r18495) -Codechange: make sure we don't taint the vehicle cache with finding refit options and unmagify a constant

This commit is contained in:
rubidium 2009-12-13 22:19:19 +00:00
parent c2ec2e2db3
commit f9970ac646
1 changed files with 12 additions and 1 deletions
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13
src/vehicle_gui.cpp
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@ -156,6 +156,9 @@ static void DrawVehicleProfitButton(const Vehicle *v, int x, int y)
DrawSprite(SPR_BLOT, pal, x, y);
}
/** Maximum number of refit cycles we try, to prevent infinite loops. */
static const int MAX_REFIT_CYCLE = 16;
struct RefitOption {
CargoID cargo;
byte subtype;
@ -200,11 +203,15 @@ static RefitList *BuildRefitList(const Vehicle *v)
u->cargo_type = cid;
for (refit_cyc = 0; refit_cyc < 16 && num_lines < max_lines; refit_cyc++) {
for (refit_cyc = 0; refit_cyc < MAX_REFIT_CYCLE && num_lines < max_lines; refit_cyc++) {
bool duplicate = false;
uint16 callback;
u->cargo_subtype = refit_cyc;
/* Make sure we don't pick up anything cached. */
u->First()->InvalidateNewGRFCache();
u->InvalidateNewGRFCache();
callback = GetVehicleCallback(CBID_VEHICLE_CARGO_SUFFIX, 0, 0, u->engine_type, u);
if (callback == 0xFF) callback = CALLBACK_FAILED;
@ -227,6 +234,10 @@ static RefitList *BuildRefitList(const Vehicle *v)
/* Reset the vehicle's cargo type */
u->cargo_type = temp_cargo;
u->cargo_subtype = temp_subtype;
/* And make sure we haven't tainted the cache */
u->First()->InvalidateNewGRFCache();
u->InvalidateNewGRFCache();
} else {
/* No cargo suffix callback -- use no subtype */
bool duplicate = false;