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(svn r2415) - Fix: [newgrf] Powered Wagons - Don't assume an undefined callback will fail.

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hackykid 2005-06-06 01:31:36 +00:00
parent 1018d3b786
commit 2fbb96bfa5
2 changed files with 4 additions and 2 deletions
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1
engine.h
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@ -144,6 +144,7 @@ enum CallbackID {
// bit positions for rvi->callbackmask, indicates which callbacks are used by an engine
// (some callbacks are always used, and dont appear here)
enum CallbackMask {
CBM_WAGON_POWER = 0,
CBM_REFIT_CAP = 3,
};

5
train_cmd.c
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@ -79,9 +79,10 @@ void TrainConsistChanged(Vehicle *v) {
// check if its a powered wagon
CLRBIT(u->u.rail.flags, VRF_POWEREDWAGON);
if ((rvi_v->pow_wag_power != 0) && (rvi_u->flags & RVI_WAGON) && UsesWagonOverride(u)) {
uint16 callback;
uint16 callback = CALLBACK_FAILED;
callback = GetCallBackResult(CBID_WAGON_POWER, u->engine_type, u);
if (HASBIT(rvi_u->callbackmask, CBM_WAGON_POWER))
callback = GetCallBackResult(CBID_WAGON_POWER, u->engine_type, u);
if (callback == CALLBACK_FAILED)
callback = rvi_u->visual_effect;