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(svn r24686) -Codechange: Add resolver classes for airport tiles.

This commit is contained in:
alberth 2012-11-10 20:42:19 +00:00
parent 82e6001451
commit 37605108e1
3 changed files with 63 additions and 65 deletions
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92
src/newgrf_airporttiles.cpp
View File

@ -99,7 +99,7 @@ StationGfx GetTranslatedAirportTileID(StationGfx gfx)
}
static const SpriteGroup *AirportTileResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
/* virtual */ const SpriteGroup *AirportTileResolverObject::ResolveReal(const RealSpriteGroup *group) const
{
/* AirportTile do not have 'real' groups. */
return NULL;
@ -165,46 +165,39 @@ static uint32 GetAirportTileIDAtOffset(TileIndex tile, const Station *st, uint32
return 0xFF << 8 | ats->grf_prop.subst_id; // so just give him the substitute
}
static uint32 AirportTileGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
/* virtual */ uint32 AirportTileScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
{
const Station *st = object->u.airport.st;
TileIndex tile = object->u.airport.tile;
assert(st != NULL);
if (object->scope == VSG_SCOPE_PARENT) {
DEBUG(grf, 1, "Parent scope for airport tiles unavailable");
*available = false;
return UINT_MAX;
}
assert(this->st != NULL);
extern uint32 GetRelativePosition(TileIndex tile, TileIndex ind_tile);
switch (variable) {
/* Terrain type */
case 0x41: return GetTerrainType(tile);
case 0x41: return GetTerrainType(this->tile);
/* Current town zone of the tile in the nearest town */
case 0x42: return GetTownRadiusGroup(ClosestTownFromTile(tile, UINT_MAX), tile);
case 0x42: return GetTownRadiusGroup(ClosestTownFromTile(this->tile, UINT_MAX), this->tile);
/* Position relative to most northern airport tile. */
case 0x43: return GetRelativePosition(tile, st->airport.tile);
case 0x43: return GetRelativePosition(this->tile, this->st->airport.tile);
/* Animation frame of tile */
case 0x44: return GetAnimationFrame(tile);
case 0x44: return GetAnimationFrame(this->tile);
/* Land info of nearby tiles */
case 0x60: return GetNearbyAirportTileInformation(parameter, tile, st->index, object->grffile->grf_version >= 8);
case 0x60: return GetNearbyAirportTileInformation(parameter, this->tile, this->st->index, this->ro->grffile->grf_version >= 8);
/* Animation stage of nearby tiles */
case 0x61:
tile = GetNearbyTile(parameter, tile);
if (st->TileBelongsToAirport(tile)) {
case 0x61: {
TileIndex tile = GetNearbyTile(parameter, this->tile);
if (this->st->TileBelongsToAirport(tile)) {
return GetAnimationFrame(tile);
}
return UINT_MAX;
}
/* Get airport tile ID at offset */
case 0x62: return GetAirportTileIDAtOffset(GetNearbyTile(parameter, tile), st, object->grffile->grfid);
case 0x62: return GetAirportTileIDAtOffset(GetNearbyTile(parameter, this->tile), this->st, this->ro->grffile->grfid);
}
DEBUG(grf, 1, "Unhandled airport tile variable 0x%X", variable);
@ -213,46 +206,30 @@ static uint32 AirportTileGetVariable(const ResolverObject *object, byte variable
return UINT_MAX;
}
static uint32 AirportTileGetRandomBits(const ResolverObject *object)
/* virtual */ uint32 AirportTileScopeResolver::GetRandomBits() const
{
const Station *st = object->u.airport.st;
const TileIndex tile = object->u.airport.tile;
return (st == NULL ? 0 : st->random_bits) | (tile == INVALID_TILE ? 0 : GetStationTileRandomBits(tile) << 16);
return (this->st == NULL ? 0 : this->st->random_bits) | (this->tile == INVALID_TILE ? 0 : GetStationTileRandomBits(this->tile) << 16);
}
static void AirportTileResolver(ResolverObject *res, const AirportTileSpec *ats, TileIndex tile, Station *st)
AirportTileResolverObject::AirportTileResolverObject(const AirportTileSpec *ats, TileIndex tile, Station *st,
CallbackID callback, uint32 callback_param1, uint32 callback_param2)
: ResolverObject(ats->grf_prop.grffile, callback, callback_param1, callback_param2), tiles_scope(this, ats, tile, st)
{
res->GetRandomBits = AirportTileGetRandomBits;
res->GetTriggers = NULL;
res->SetTriggers = NULL;
res->GetVariable = AirportTileGetVariable;
res->ResolveRealMethod = AirportTileResolveReal;
res->StorePSA = NULL;
}
AirportTileScopeResolver::AirportTileScopeResolver(ResolverObject *ro, const AirportTileSpec *ats, TileIndex tile, Station *st) : ScopeResolver(ro)
{
assert(st != NULL);
res->u.airport.airport_id = st->airport.type;
res->u.airport.st = st;
res->u.airport.tile = tile;
res->callback = CBID_NO_CALLBACK;
res->callback_param1 = 0;
res->callback_param2 = 0;
res->ResetState();
res->grffile = ats->grf_prop.grffile;
this->st = st;
this->airport_id = st->airport.type;
this->tile = tile;
}
uint16 GetAirportTileCallback(CallbackID callback, uint32 param1, uint32 param2, const AirportTileSpec *ats, Station *st, TileIndex tile, int extra_data = 0)
{
ResolverObject object;
const SpriteGroup *group;
AirportTileResolver(&object, ats, tile, st);
object.callback = callback;
object.callback_param1 = param1;
object.callback_param2 = param2;
group = SpriteGroup::Resolve(ats->grf_prop.spritegroup[0], &object);
AirportTileResolverObject object(ats, tile, st, callback, param1, param2);
const SpriteGroup *group = SpriteGroup::Resolve(ats->grf_prop.spritegroup[0], &object);
if (group == NULL) return CALLBACK_FAILED;
return group->GetCallbackResult();
@ -278,9 +255,6 @@ static void AirportDrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGrou
bool DrawNewAirportTile(TileInfo *ti, Station *st, StationGfx gfx, const AirportTileSpec *airts)
{
const SpriteGroup *group;
ResolverObject object;
if (ti->tileh != SLOPE_FLAT) {
bool draw_old_one = true;
if (HasBit(airts->callback_mask, CBM_AIRT_DRAW_FOUNDATIONS)) {
@ -292,9 +266,8 @@ bool DrawNewAirportTile(TileInfo *ti, Station *st, StationGfx gfx, const Airport
if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
}
AirportTileResolver(&object, airts, ti->tile, st);
group = SpriteGroup::Resolve(airts->grf_prop.spritegroup[0], &object);
AirportTileResolverObject object(airts, ti->tile, st);
const SpriteGroup *group = SpriteGroup::Resolve(airts->grf_prop.spritegroup[0], &object);
if (group == NULL || group->type != SGT_TILELAYOUT) {
return false;
}
@ -338,12 +311,3 @@ void AirportAnimationTrigger(Station *st, AirpAnimationTrigger trigger, CargoID
}
}
/**
* Resolve an airport tile's spec and such so we can get a variable.
* @param ro The resolver object to fill.
* @param index The airport tile to get the data from.
*/
void GetAirportTileTypeResolver(ResolverObject *ro, uint index)
{
AirportTileResolver(ro, AirportTileSpec::GetByTile(index), index, Station::GetByTile(index));
}

29
src/newgrf_airporttiles.h
View File

@ -16,6 +16,35 @@
#include "station_map.h"
#include "newgrf_animation_type.h"
#include "newgrf_commons.h"
#include "newgrf_spritegroup.h"
struct AirportTileScopeResolver : 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.
TileIndex tile; ///< Tile for the callback, only valid for airporttile callbacks.
AirportTileScopeResolver(ResolverObject *ro, const AirportTileSpec *ats, TileIndex tile, Station *st);
/* virtual */ uint32 GetRandomBits() const;
/* virtual */ uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
};
struct AirportTileResolverObject : public ResolverObject {
AirportTileScopeResolver tiles_scope;
AirportTileResolverObject(const AirportTileSpec *ats, TileIndex tile, Station *st,
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 &tiles_scope;
default: return &this->default_scope; // XXX return ResolverObject::GetScope(scope, relative);
}
}
/* virtual */ const SpriteGroup *ResolveReal(const RealSpriteGroup *group) const;
};
/**
* Defines the data structure of each indivudual tile of an airport.

7
src/table/newgrf_debug_data.h
View File

@ -434,7 +434,12 @@ class NIHAirportTile : public NIHelper {
const void *GetSpec(uint index) const { return AirportTileSpec::Get(GetAirportGfx(index)); }
void SetStringParameters(uint index) const { this->SetObjectAtStringParameters(STR_STATION_NAME, GetStationIndex(index), index); }
uint32 GetGRFID(uint index) const { return (this->IsInspectable(index)) ? AirportTileSpec::Get(GetAirportGfx(index))->grf_prop.grffile->grfid : 0; }
void Resolve(ResolverObject *ro, uint32 index) const { extern void GetAirportTileTypeResolver(ResolverObject *ro, uint index); GetAirportTileTypeResolver(ro, index); }
/* virtual */ uint Resolve(uint index, uint var, uint param, bool *avail) const
{
AirportTileResolverObject ro(AirportTileSpec::GetByTile(index), index, Station::GetByTile(index));
return ro.GetScope(ro.scope)->GetVariable(var, param, avail);
}
};
static const NIFeature _nif_airporttile = {