(svn r18972) -Add: [NewGRF] Per-rail type speed limits.

This commit is contained in:
peter1138 2010-01-31 13:17:29 +00:00
parent 2331ccd589
commit 2b820780a1
5 changed files with 28 additions and 3 deletions

View File

@ -2569,7 +2569,7 @@ static ChangeInfoResult RailTypeChangeInfo(uint id, int numinfo, int prop, ByteR
break;
case 0x14: // Speed limit
buf->ReadWord();
rti->max_speed = buf->ReadWord();
break;
case 0x15: // Acceleration model

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@ -145,6 +145,11 @@ struct RailtypeInfo {
*/
uint8 acceleration_type;
/**
* Maximum speed for vehicles travelling on this rail type
*/
uint16 max_speed;
/**
* Unique 32 bit rail type identifier
*/

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@ -84,6 +84,9 @@ static const RailtypeInfo _original_railtypes[] = {
/* acceleration type */
0,
/* max speed */
0,
/* rail type label */
'RAIL',
},
@ -159,6 +162,9 @@ static const RailtypeInfo _original_railtypes[] = {
/* acceleration type */
0,
/* max speed */
0,
/* rail type label */
'ELRL',
},
@ -230,6 +236,9 @@ static const RailtypeInfo _original_railtypes[] = {
/* acceleration type */
1,
/* max speed */
0,
/* rail type label */
'MONO',
},
@ -301,6 +310,9 @@ static const RailtypeInfo _original_railtypes[] = {
/* acceleration type */
2,
/* max speed */
0,
/* rail type label */
'MGLV',
},

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@ -86,6 +86,7 @@ struct TrainCache : public AccelerationCache {
/* cached max. speed / acceleration data */
uint16 cached_max_speed; ///< max speed of the consist. (minimum of the max speed of all vehicles in the consist)
uint16 cached_max_rail_speed; ///< max consist speed limited by rail type
int cached_max_curve_speed; ///< max consist speed limited by curves
/**

View File

@ -99,6 +99,7 @@ void Train::PowerChanged()
uint32 total_power = 0;
uint32 max_te = 0;
uint32 number_of_parts = 0;
uint16 max_rail_speed = this->tcache.cached_max_speed;
for (const Train *u = this; u != NULL; u = u->Next()) {
uint32 current_power = u->GetPower();
@ -108,6 +109,10 @@ void Train::PowerChanged()
if (current_power > 0) max_te += u->GetWeight() * u->GetTractiveEffort();
total_power += u->GetPoweredPartPower(this);
number_of_parts++;
/* Get minimum max speed for rail */
uint16 rail_speed = GetRailTypeInfo(GetRailType(u->tile))->max_speed;
if (rail_speed > 0) max_rail_speed = min(max_rail_speed, rail_speed);
}
this->tcache.cached_axle_resistance = 60 * number_of_parts;
@ -124,6 +129,8 @@ void Train::PowerChanged()
SetWindowDirty(WC_VEHICLE_DETAILS, this->index);
SetWindowWidgetDirty(WC_VEHICLE_VIEW, this->index, VVW_WIDGET_START_STOP_VEH);
}
this->tcache.cached_max_rail_speed = max_rail_speed;
}
@ -491,7 +498,7 @@ int Train::GetCurrentMaxSpeed() const
}
}
return min(max_speed, this->tcache.cached_max_speed);
return min(max_speed, this->tcache.cached_max_rail_speed);
}
/**
@ -557,7 +564,7 @@ void Train::UpdateAcceleration()
{
assert(this->IsFrontEngine());
this->max_speed = this->tcache.cached_max_speed;
this->max_speed = this->tcache.cached_max_rail_speed;
uint power = this->tcache.cached_power;
uint weight = this->tcache.cached_weight;