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authorpeter1138 <peter1138@openttd.org>2008-05-25 09:40:44 +0000
committerpeter1138 <peter1138@openttd.org>2008-05-25 09:40:44 +0000
commitd9805b46b91a16daf53658c6fe37f5568e32e0cc (patch)
treeddd4b43177f3e39accb0635476f53133200bc0c9 /src
parent60ae7993210f67abde29b11d03623fbcbfdc732e (diff)
downloadopenttd-d9805b46b91a16daf53658c6fe37f5568e32e0cc.tar.xz
(svn r13240) -Codechange: More const-ness for GUI code.
Diffstat (limited to 'src')
-rw-r--r--src/depot_gui.cpp29
-rw-r--r--src/train_gui.cpp4
-rw-r--r--src/vehicle.cpp8
-rw-r--r--src/vehicle_func.h3
4 files changed, 23 insertions, 21 deletions
diff --git a/src/depot_gui.cpp b/src/depot_gui.cpp
index 007c192ca..072c10659 100644
--- a/src/depot_gui.cpp
+++ b/src/depot_gui.cpp
@@ -144,16 +144,14 @@ void CcCloneVehicle(bool success, TileIndex tile, uint32 p1, uint32 p2)
{
if (!success) return;
- Vehicle *v = GetVehicle(_new_vehicle_id);
+ const Vehicle *v = GetVehicle(_new_vehicle_id);
ShowVehicleViewWindow(v);
}
-static void TrainDepotMoveVehicle(Vehicle *wagon, VehicleID sel, Vehicle *head)
+static void TrainDepotMoveVehicle(const Vehicle *wagon, VehicleID sel, const Vehicle *head)
{
- Vehicle *v;
-
- v = GetVehicle(sel);
+ const Vehicle *v = GetVehicle(sel);
if (v == wagon) return;
@@ -397,8 +395,8 @@ struct DepotWindow : Window {
}
struct GetDepotVehiclePtData {
- Vehicle *head;
- Vehicle *wagon;
+ const Vehicle *head;
+ const Vehicle *wagon;
};
enum DepotGUIAction {
@@ -408,7 +406,7 @@ struct DepotWindow : Window {
MODE_START_STOP,
};
- DepotGUIAction GetVehicleFromDepotWndPt(int x, int y, Vehicle **veh, GetDepotVehiclePtData *d) const
+ DepotGUIAction GetVehicleFromDepotWndPt(int x, int y, const Vehicle **veh, GetDepotVehiclePtData *d) const
{
Vehicle **vl = this->vehicle_list;
uint xt, row, xm = 0, ym = 0;
@@ -454,7 +452,7 @@ struct DepotWindow : Window {
switch (this->type) {
case VEH_TRAIN: {
- Vehicle *v = *veh;
+ const Vehicle *v = *veh;
d->head = d->wagon = v;
/* either pressed the flag or the number, but only when it's a loco */
@@ -501,7 +499,7 @@ struct DepotWindow : Window {
void DepotClick(int x, int y)
{
GetDepotVehiclePtData gdvp = { NULL, NULL };
- Vehicle *v = NULL;
+ const Vehicle *v = NULL;
DepotGUIAction mode = this->GetVehicleFromDepotWndPt(x, y, &v, &gdvp);
/* share / copy orders */
@@ -879,7 +877,7 @@ struct DepotWindow : Window {
{
switch (widget) {
case DEPOT_WIDGET_MATRIX: {
- Vehicle *v = NULL;
+ const Vehicle *v = NULL;
VehicleID sel = this->sel;
this->sel = INVALID_VEHICLE;
@@ -908,23 +906,20 @@ struct DepotWindow : Window {
case DEPOT_WIDGET_SELL: case DEPOT_WIDGET_SELL_CHAIN:
if (!this->IsWidgetDisabled(DEPOT_WIDGET_SELL) &&
this->sel != INVALID_VEHICLE) {
- Vehicle *v;
uint command;
- int sell_cmd;
- bool is_engine;
if (this->IsWidgetDisabled(widget)) return;
if (this->sel == INVALID_VEHICLE) return;
this->HandleButtonClick(widget);
- v = GetVehicle(this->sel);
+ const Vehicle *v = GetVehicle(this->sel);
this->sel = INVALID_VEHICLE;
this->SetDirty();
- sell_cmd = (v->type == VEH_TRAIN && (widget == DEPOT_WIDGET_SELL_CHAIN || _ctrl_pressed)) ? 1 : 0;
+ int sell_cmd = (v->type == VEH_TRAIN && (widget == DEPOT_WIDGET_SELL_CHAIN || _ctrl_pressed)) ? 1 : 0;
- is_engine = (!(v->type == VEH_TRAIN && !IsFrontEngine(v)));
+ bool is_engine = (!(v->type == VEH_TRAIN && !IsFrontEngine(v)));
if (is_engine) {
_backup_orders_tile = v->tile;
diff --git a/src/train_gui.cpp b/src/train_gui.cpp
index d95d84dd6..3e516a4e3 100644
--- a/src/train_gui.cpp
+++ b/src/train_gui.cpp
@@ -28,8 +28,8 @@ void CcBuildWagon(bool success, TileIndex tile, uint32 p1, uint32 p2)
if (!success) return;
/* find a locomotive in the depot. */
- Vehicle *found = NULL;
- Vehicle *v;
+ const Vehicle *found = NULL;
+ const Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (v->type == VEH_TRAIN && IsFrontEngine(v) &&
v->tile == tile &&
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 8796eca34..ae77c96fd 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -58,7 +58,7 @@
#define GEN_HASH(x, y) ((GB((y), 6, 6) << 6) + GB((x), 7, 6))
VehicleID _vehicle_id_ctr_day;
-Vehicle *_place_clicked_vehicle;
+const Vehicle *_place_clicked_vehicle;
VehicleID _new_vehicle_id;
uint16 _returned_refit_capacity;
@@ -531,6 +531,12 @@ Vehicle *GetLastVehicleInChain(Vehicle *v)
return v;
}
+const Vehicle *GetLastVehicleInChain(const Vehicle *v)
+{
+ while (v->Next() != NULL) v = v->Next();
+ return v;
+}
+
uint CountVehiclesInChain(const Vehicle* v)
{
uint count = 0;
diff --git a/src/vehicle_func.h b/src/vehicle_func.h
index 9e5dceba5..b279e2b0c 100644
--- a/src/vehicle_func.h
+++ b/src/vehicle_func.h
@@ -24,6 +24,7 @@ typedef void *VehicleFromPosProc(Vehicle *v, void *data);
void VehicleServiceInDepot(Vehicle *v);
void VehiclePositionChanged(Vehicle *v);
Vehicle *GetLastVehicleInChain(Vehicle *v);
+const Vehicle *GetLastVehicleInChain(const Vehicle *v);
uint CountVehiclesInChain(const Vehicle *v);
bool IsEngineCountable(const Vehicle *v);
void DeleteVehicleChain(Vehicle *v);
@@ -173,7 +174,7 @@ bool EnsureNoVehicleOnGround(TileIndex tile);
void StopAllVehicles();
extern VehicleID _vehicle_id_ctr_day;
-extern Vehicle *_place_clicked_vehicle;
+extern const Vehicle *_place_clicked_vehicle;
extern VehicleID _new_vehicle_id;
extern uint16 _returned_refit_capacity;