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Chunnel: Add a ground veh flag for (maybe) being in a chunnel

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Use this to avoid inclination change code in non-chunnel wormholes.
This commit is contained in:
Jonathan G Rennison
2017-03-05 18:37:35 +00:00
parent ec9f0371e8
commit 4c9f7b73b3
2 changed files with 9 additions and 1 deletions
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8
src/ground_vehicle.hpp
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@@ -16,6 +16,7 @@
#include "vehicle_gui.h"
#include "landscape.h"
#include "window_func.h"
#include "tunnel_map.h"
#include "widgets/vehicle_widget.h"
/** What is the status of our acceleration? */
@@ -54,6 +55,7 @@ enum GroundVehicleFlags {
GVF_GOINGUP_BIT = 0, ///< Vehicle is currently going uphill. (Cached track information for acceleration)
GVF_GOINGDOWN_BIT = 1, ///< Vehicle is currently going downhill. (Cached track information for acceleration)
GVF_SUPPRESS_IMPLICIT_ORDERS = 2, ///< Disable insertion and removal of automatic orders until the vehicle completes the real order.
GVF_CHUNNEL_BIT = 3, ///< Vehicle may currently be in a chunnel. (Cached track information for inclination changes)
};
/**
@@ -225,6 +227,10 @@ struct GroundVehicle : public SpecializedVehicle<T, Type> {
this->z_pos += HasBit(this->gv_flags, GVF_GOINGUP_BIT) ? d : -d;
}
if (HasBit(this->gv_flags, GVF_CHUNNEL_BIT) && !IsTunnelTile(this->tile)) {
ClrBit(this->gv_flags, GVF_CHUNNEL_BIT);
}
assert(this->z_pos == GetSlopePixelZ(this->x_pos, this->y_pos));
}
@@ -241,7 +247,7 @@ struct GroundVehicle : public SpecializedVehicle<T, Type> {
int old_z = this->z_pos;
if (in_wormhole) {
this->UpdateZPositionInWormhole();
if (HasBit(this->gv_flags, GVF_CHUNNEL_BIT)) this->UpdateZPositionInWormhole();
} else if (new_tile) {
this->UpdateZPositionAndInclination();
} else {