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-rw-r--r--src/newgrf_airport.cpp139
-rw-r--r--src/newgrf_spritegroup.h6
2 files changed, 63 insertions, 82 deletions
diff --git a/src/newgrf_airport.cpp b/src/newgrf_airport.cpp
index e373e2ab5..f06e4c3b8 100644
--- a/src/newgrf_airport.cpp
+++ b/src/newgrf_airport.cpp
@@ -17,6 +17,37 @@
#include "station_base.h"
#include "newgrf_class_func.h"
+struct AirportScopeResolver : public ScopeResolver {
+ struct Station *st; ///< Station of the airport for which the callback is run, or \c NULL for build gui.
+ byte airport_id; ///< Type of airport for which the callback is run.
+ byte layout; ///< Layout of the airport to build.
+ TileIndex tile; ///< Tile for the callback, only valid for airporttile callbacks.
+
+ AirportScopeResolver(ResolverObject *ro, TileIndex tile, Station *st, byte airport_id, byte layout);
+
+ /* virtual */ uint32 GetRandomBits() const;
+ /* virtual */ uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
+ /* virtual */ void StorePSA(uint pos, int32 value);
+};
+
+/** Resolver object for airports. */
+struct AirportResolverObject : public ResolverObject {
+ AirportScopeResolver airport_scope;
+
+ AirportResolverObject(TileIndex tile, Station *st, byte airport_id, byte layout,
+ CallbackID callback = CBID_NO_CALLBACK, uint32 callback_param1 = 0, uint32 callback_param2 = 0);
+
+ /* virtual */ ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0)
+ {
+ switch (scope) {
+ case VSG_SCOPE_SELF: return &this->airport_scope;
+ default: return &this->default_scope; // XXX return ResolverObject::GetScope(scope, relative);
+ }
+ }
+
+ /* virtual */ const SpriteGroup *ResolveReal(const RealSpriteGroup *group) const;
+};
+
/**
* Reset airport classes to their default state.
* This includes initialising the defaults classes with an empty
@@ -132,38 +163,29 @@ void AirportOverrideManager::SetEntitySpec(AirportSpec *as)
}
}
-uint32 AirportGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
+/* virtual */ uint32 AirportScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
{
- const Station *st = object->u.airport.st;
- byte layout = object->u.airport.layout;
-
- if (object->scope == VSG_SCOPE_PARENT) {
- DEBUG(grf, 1, "Parent scope for airports unavailable");
- *available = false;
- return UINT_MAX;
- }
-
switch (variable) {
- case 0x40: return layout;
+ case 0x40: return this->layout;
}
- if (st == NULL) {
+ if (this->st == NULL) {
*available = false;
return UINT_MAX;
}
switch (variable) {
/* Get a variable from the persistent storage */
- case 0x7C: return (st->airport.psa != NULL) ? st->airport.psa->GetValue(parameter) : 0;
+ case 0x7C: return (this->st->airport.psa != NULL) ? this->st->airport.psa->GetValue(parameter) : 0;
- case 0xF0: return st->facilities;
- case 0xFA: return Clamp(st->build_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535);
+ case 0xF0: return this->st->facilities;
+ case 0xFA: return Clamp(this->st->build_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535);
}
- return st->GetNewGRFVariable(object, variable, parameter, available);
+ return this->st->GetNewGRFVariable(this->ro, variable, parameter, available);
}
-static const SpriteGroup *AirportResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
+/* virtual */ const SpriteGroup *AirportResolverObject::ResolveReal(const RealSpriteGroup *group) const
{
/* Airport action 2s should always have only 1 "loaded" state, but some
* times things don't follow the spec... */
@@ -173,19 +195,9 @@ static const SpriteGroup *AirportResolveReal(const ResolverObject *object, const
return NULL;
}
-static uint32 AirportGetRandomBits(const ResolverObject *object)
-{
- const Station *st = object->u.airport.st;
- return st == NULL ? 0 : st->random_bits;
-}
-
-static uint32 AirportGetTriggers(const ResolverObject *object)
-{
- return 0;
-}
-
-static void AirportSetTriggers(const ResolverObject *object, int triggers)
+/* virtual */ uint32 AirportScopeResolver::GetRandomBits() const
{
+ return this->st == NULL ? 0 : this->st->random_bits;
}
/**
@@ -194,54 +206,40 @@ static void AirportSetTriggers(const ResolverObject *object, int triggers)
* @param pos Position in the persistent storage to use.
* @param value Value to store.
*/
-void AirportStorePSA(ResolverObject *object, uint pos, int32 value)
+/* virtual */ void AirportScopeResolver::StorePSA(uint pos, int32 value)
{
- Station *st = object->u.airport.st;
- if (object->scope != VSG_SCOPE_SELF || st == NULL) return;
+ if (this->st == NULL) return;
- if (st->airport.psa == NULL) {
+ if (this->st->airport.psa == NULL) {
/* There is no need to create a storage if the value is zero. */
if (value == 0) return;
/* Create storage on first modification. */
- uint32 grfid = (object->grffile != NULL) ? object->grffile->grfid : 0;
+ uint32 grfid = (this->ro->grffile != NULL) ? this->ro->grffile->grfid : 0;
assert(PersistentStorage::CanAllocateItem());
- st->airport.psa = new PersistentStorage(grfid);
+ this->st->airport.psa = new PersistentStorage(grfid);
}
- st->airport.psa->StoreValue(pos, value);
+ this->st->airport.psa->StoreValue(pos, value);
}
-static void NewAirportResolver(ResolverObject *res, TileIndex tile, Station *st, byte airport_id, byte layout)
+AirportResolverObject::AirportResolverObject(TileIndex tile, Station *st, byte airport_id, byte layout,
+ CallbackID callback, uint32 param1, uint32 param2)
+ : ResolverObject(AirportSpec::Get(airport_id)->grf_prop.grffile, callback, param1, param2), airport_scope(this, tile, st, airport_id, layout)
{
- res->GetRandomBits = AirportGetRandomBits;
- res->GetTriggers = AirportGetTriggers;
- res->SetTriggers = AirportSetTriggers;
- res->GetVariable = AirportGetVariable;
- res->ResolveRealMethod = AirportResolveReal;
- res->StorePSA = AirportStorePSA;
-
- res->u.airport.st = st;
- res->u.airport.airport_id = airport_id;
- res->u.airport.layout = layout;
- res->u.airport.tile = tile;
-
- res->callback = CBID_NO_CALLBACK;
- res->callback_param1 = 0;
- res->callback_param2 = 0;
- res->ResetState();
-
- const AirportSpec *as = AirportSpec::Get(airport_id);
- res->grffile = as->grf_prop.grffile;
}
-SpriteID GetCustomAirportSprite(const AirportSpec *as, byte layout)
+AirportScopeResolver::AirportScopeResolver(ResolverObject *ro, TileIndex tile, Station *st, byte airport_id, byte layout) : ScopeResolver(ro)
{
- const SpriteGroup *group;
- ResolverObject object;
-
- NewAirportResolver(&object, INVALID_TILE, NULL, as->GetIndex(), layout);
+ this->st = st;
+ this->airport_id = airport_id;
+ this->layout = layout;
+ this->tile = tile;
+}
- group = SpriteGroup::Resolve(as->grf_prop.spritegroup[0], &object);
+SpriteID GetCustomAirportSprite(const AirportSpec *as, byte layout)
+{
+ AirportResolverObject object(INVALID_TILE, NULL, as->GetIndex(), layout);
+ const SpriteGroup *group = SpriteGroup::Resolve(as->grf_prop.spritegroup[0], &object);
if (group == NULL) return as->preview_sprite;
return group->GetResult();
@@ -249,13 +247,7 @@ SpriteID GetCustomAirportSprite(const AirportSpec *as, byte layout)
uint16 GetAirportCallback(CallbackID callback, uint32 param1, uint32 param2, Station *st, TileIndex tile)
{
- ResolverObject object;
-
- NewAirportResolver(&object, tile, st, st->airport.type, st->airport.layout);
- object.callback = callback;
- object.callback_param1 = param1;
- object.callback_param2 = param2;
-
+ AirportResolverObject object(tile, st, st->airport.type, st->airport.layout, callback, param1, param2);
const SpriteGroup *group = SpriteGroup::Resolve(st->airport.GetSpec()->grf_prop.spritegroup[0], &object);
if (group == NULL) return CALLBACK_FAILED;
@@ -271,13 +263,8 @@ uint16 GetAirportCallback(CallbackID callback, uint32 param1, uint32 param2, Sta
*/
StringID GetAirportTextCallback(const AirportSpec *as, byte layout, uint16 callback)
{
- const SpriteGroup *group;
- ResolverObject object;
-
- NewAirportResolver(&object, INVALID_TILE, NULL, as->GetIndex(), layout);
- object.callback = (CallbackID)callback;
-
- group = SpriteGroup::Resolve(as->grf_prop.spritegroup[0], &object);
+ AirportResolverObject object(INVALID_TILE, NULL, as->GetIndex(), layout, (CallbackID)callback);
+ const SpriteGroup *group = SpriteGroup::Resolve(as->grf_prop.spritegroup[0], &object);
uint16 cb_res = (group != NULL) ? group->GetCallbackResult() : CALLBACK_FAILED;
if (cb_res == CALLBACK_FAILED || cb_res == 0x400) return STR_UNDEFINED;
if (cb_res > 0x400) {
diff --git a/src/newgrf_spritegroup.h b/src/newgrf_spritegroup.h
index 2dc5f84d9..746219725 100644
--- a/src/newgrf_spritegroup.h
+++ b/src/newgrf_spritegroup.h
@@ -373,12 +373,6 @@ struct ResolverObject {
uint8 count;
uint8 station_size;
} generic;
- struct {
- struct Station *st; ///< Station of the airport for which the callback is run, or NULL for build gui.
- byte airport_id; ///< Type of airport for which the callback is run
- byte layout; ///< Layout of the airport to build.
- TileIndex tile; ///< Tile for the callback, only valid for airporttile callbacks.
- } airport;
} u;
uint32 (*GetRandomBits)(const struct ResolverObject*);
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-26 19:37:14 +0000