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-rw-r--r--src/newgrf_house.cpp199
-rw-r--r--src/newgrf_house.h43
-rw-r--r--src/newgrf_spritegroup.h8
-rw-r--r--src/table/newgrf_debug_data.h9
4 files changed, 126 insertions, 133 deletions
diff --git a/src/newgrf_house.cpp b/src/newgrf_house.cpp
index a8f657846..baf2e9479 100644
--- a/src/newgrf_house.cpp
+++ b/src/newgrf_house.cpp
@@ -29,6 +29,39 @@ static HouseClassMapping _class_mapping[HOUSE_CLASS_MAX];
HouseOverrideManager _house_mngr(NEW_HOUSE_OFFSET, HOUSE_MAX, INVALID_HOUSE_ID);
+
+HouseScopeResolver::HouseScopeResolver(ResolverObject *ro, HouseID house_id, TileIndex tile, Town *town,
+ bool not_yet_constructed, uint8 initial_random_bits, uint32 watched_cargo_triggers)
+ : ScopeResolver(ro)
+{
+ this->house_id = house_id;
+ this->tile = tile;
+ this->town = town;
+ this->not_yet_constructed = not_yet_constructed;
+ this->initial_random_bits = initial_random_bits;
+ this->watched_cargo_triggers = watched_cargo_triggers;
+}
+
+/**
+ * Retrieve the grf file associated with a house.
+ * @param house_id House to query.
+ * @return The associated GRF file (may be \c NULL).
+ */
+static const GRFFile *GetHouseSpecGrf(HouseID house_id)
+{
+ const HouseSpec *hs = HouseSpec::Get(house_id);
+ return (hs != NULL) ? hs->grf_prop.grffile : NULL;
+}
+
+HouseResolverObject::HouseResolverObject(HouseID house_id, TileIndex tile, Town *town,
+ CallbackID callback, uint32 param1, uint32 param2,
+ bool not_yet_constructed, uint8 initial_random_bits, uint32 watched_cargo_triggers)
+ : ResolverObject(GetHouseSpecGrf(house_id), callback, param1, param2),
+ house_scope(this, house_id, tile, town, not_yet_constructed, initial_random_bits, watched_cargo_triggers),
+ town_scope(this, town, not_yet_constructed) // Don't access StorePSA if house is not yet constructed.
+{
+}
+
HouseClassID AllocateHouseClassID(byte grf_class_id, uint32 grfid)
{
/* Start from 1 because 0 means that no class has been assigned. */
@@ -98,27 +131,24 @@ void DecreaseBuildingCount(Town *t, HouseID house_id)
if (_building_counts.class_count[class_id] > 0) _building_counts.class_count[class_id]--;
}
-static uint32 HouseGetRandomBits(const ResolverObject *object)
+/* virtual */ uint32 HouseScopeResolver::GetRandomBits() const
{
/* Note: Towns build houses over houses. So during construction checks 'tile' may be a valid but unrelated house. */
- TileIndex tile = object->u.house.tile;
- assert(IsValidTile(tile) && (object->u.house.not_yet_constructed || IsTileType(tile, MP_HOUSE)));
- return object->u.house.not_yet_constructed ? object->u.house.initial_random_bits : GetHouseRandomBits(tile);
+ assert(IsValidTile(this->tile) && (this->not_yet_constructed || IsTileType(this->tile, MP_HOUSE)));
+ return this->not_yet_constructed ? this->initial_random_bits : GetHouseRandomBits(this->tile);
}
-static uint32 HouseGetTriggers(const ResolverObject *object)
+/* virtual */ uint32 HouseScopeResolver::GetTriggers() const
{
/* Note: Towns build houses over houses. So during construction checks 'tile' may be a valid but unrelated house. */
- TileIndex tile = object->u.house.tile;
- assert(IsValidTile(tile) && (object->u.house.not_yet_constructed || IsTileType(tile, MP_HOUSE)));
- return object->u.house.not_yet_constructed ? 0 : GetHouseTriggers(tile);
+ assert(IsValidTile(this->tile) && (this->not_yet_constructed || IsTileType(this->tile, MP_HOUSE)));
+ return this->not_yet_constructed ? 0 : GetHouseTriggers(this->tile);
}
-static void HouseSetTriggers(const ResolverObject *object, int triggers)
+/* virtual */ void HouseScopeResolver::SetTriggers(int triggers) const
{
- TileIndex tile = object->u.house.tile;
- assert(!object->u.house.not_yet_constructed && IsValidTile(tile) && IsTileType(tile, MP_HOUSE));
- SetHouseTriggers(tile, triggers);
+ assert(!this->not_yet_constructed && IsValidTile(this->tile) && IsTileType(this->tile, MP_HOUSE));
+ SetHouseTriggers(this->tile, triggers);
}
static uint32 GetNumHouses(HouseID house_id, const Town *town)
@@ -259,75 +289,65 @@ static uint32 GetDistanceFromNearbyHouse(uint8 parameter, TileIndex tile, HouseI
}
/**
- * HouseGetVariable():
- *
- * Used by the resolver to get values for feature 07 deterministic spritegroups.
+ * @note Used by the resolver to get values for feature 07 deterministic spritegroups.
*/
-static uint32 HouseGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
+/* virtual */ uint32 HouseScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
{
- Town *town = object->u.house.town;
- TileIndex tile = object->u.house.tile;
- HouseID house_id = object->u.house.house_id;
-
- if (object->scope == VSG_SCOPE_PARENT) {
- return TownGetVariable(variable, parameter, available, town, object->grffile);
- }
-
switch (variable) {
/* Construction stage. */
- case 0x40: return (IsTileType(tile, MP_HOUSE) ? GetHouseBuildingStage(tile) : 0) | TileHash2Bit(TileX(tile), TileY(tile)) << 2;
+ case 0x40: return (IsTileType(this->tile, MP_HOUSE) ? GetHouseBuildingStage(this->tile) : 0) | TileHash2Bit(TileX(this->tile), TileY(this->tile)) << 2;
/* Building age. */
- case 0x41: return IsTileType(tile, MP_HOUSE) ? GetHouseAge(tile) : 0;
+ case 0x41: return IsTileType(this->tile, MP_HOUSE) ? GetHouseAge(this->tile) : 0;
/* Town zone */
- case 0x42: return GetTownRadiusGroup(town, tile);
+ case 0x42: return GetTownRadiusGroup(this->town, this->tile);
/* Terrain type */
- case 0x43: return GetTerrainType(tile);
+ case 0x43: return GetTerrainType(this->tile);
/* Number of this type of building on the map. */
- case 0x44: return GetNumHouses(house_id, town);
+ case 0x44: return GetNumHouses(this->house_id, this->town);
/* Whether the town is being created or just expanded. */
case 0x45: return _generating_world ? 1 : 0;
/* Current animation frame. */
- case 0x46: return IsTileType(tile, MP_HOUSE) ? GetAnimationFrame(tile) : 0;
+ case 0x46: return IsTileType(this->tile, MP_HOUSE) ? GetAnimationFrame(this->tile) : 0;
/* Position of the house */
- case 0x47: return TileY(tile) << 16 | TileX(tile);
+ case 0x47: return TileY(this->tile) << 16 | TileX(this->tile);
/* Building counts for old houses with id = parameter. */
- case 0x60: return parameter < NEW_HOUSE_OFFSET ? GetNumHouses(parameter, town) : 0;
+ case 0x60: return parameter < NEW_HOUSE_OFFSET ? GetNumHouses(parameter, this->town) : 0;
/* Building counts for new houses with id = parameter. */
case 0x61: {
- const HouseSpec *hs = HouseSpec::Get(house_id);
+ const HouseSpec *hs = HouseSpec::Get(this->house_id);
if (hs->grf_prop.grffile == NULL) return 0;
HouseID new_house = _house_mngr.GetID(parameter, hs->grf_prop.grffile->grfid);
- return new_house == INVALID_HOUSE_ID ? 0 : GetNumHouses(new_house, town);
+ return new_house == INVALID_HOUSE_ID ? 0 : GetNumHouses(new_house, this->town);
}
/* Land info for nearby tiles. */
- case 0x62: return GetNearbyTileInformation(parameter, tile, object->grffile->grf_version >= 8);
+ case 0x62: return GetNearbyTileInformation(parameter, this->tile, this->ro->grffile->grf_version >= 8);
/* Current animation frame of nearby house tiles */
case 0x63: {
- TileIndex testtile = GetNearbyTile(parameter, tile);
+ TileIndex testtile = GetNearbyTile(parameter, this->tile);
return IsTileType(testtile, MP_HOUSE) ? GetAnimationFrame(testtile) : 0;
}
/* Cargo acceptance history of nearby stations */
case 0x64: {
- CargoID cid = GetCargoTranslation(parameter, object->grffile);
+ CargoID cid = GetCargoTranslation(parameter, this->ro->grffile);
if (cid == CT_INVALID) return 0;
/* Extract tile offset. */
int8 x_offs = GB(GetRegister(0x100), 0, 8);
int8 y_offs = GB(GetRegister(0x100), 8, 8);
- TileIndex testtile = TILE_MASK(tile + TileDiffXY(x_offs, y_offs));
+ TileIndex testtile = TILE_MASK(this->tile + TileDiffXY(x_offs, y_offs));
StationFinder stations(TileArea(testtile, 1, 1));
const StationList *sl = stations.GetStations();
@@ -343,31 +363,31 @@ static uint32 HouseGetVariable(const ResolverObject *object, byte variable, uint
}
/* Cargo triggered CB 148? */
- if (HasBit(object->u.house.watched_cargo_triggers, cid)) SetBit(res, 4);
+ if (HasBit(this->watched_cargo_triggers, cid)) SetBit(res, 4);
return res;
}
/* Distance test for some house types */
- case 0x65: return GetDistanceFromNearbyHouse(parameter, tile, object->u.house.house_id);
+ case 0x65: return GetDistanceFromNearbyHouse(parameter, this->tile, this->house_id);
/* Class and ID of nearby house tile */
case 0x66: {
- TileIndex testtile = GetNearbyTile(parameter, tile);
+ TileIndex testtile = GetNearbyTile(parameter, this->tile);
if (!IsTileType(testtile, MP_HOUSE)) return 0xFFFFFFFF;
HouseSpec *hs = HouseSpec::Get(GetHouseType(testtile));
/* Information about the grf local classid if the house has a class */
uint houseclass = 0;
if (hs->class_id != HOUSE_NO_CLASS) {
- houseclass = (hs->grf_prop.grffile == object->grffile ? 1 : 2) << 8;
+ houseclass = (hs->grf_prop.grffile == this->ro->grffile ? 1 : 2) << 8;
houseclass |= _class_mapping[hs->class_id].class_id;
}
/* old house type or grf-local houseid */
uint local_houseid = 0;
- if (house_id < NEW_HOUSE_OFFSET) {
- local_houseid = house_id;
+ if (this->house_id < NEW_HOUSE_OFFSET) {
+ local_houseid = this->house_id;
} else {
- local_houseid = (hs->grf_prop.grffile == object->grffile ? 1 : 2) << 8;
+ local_houseid = (hs->grf_prop.grffile == this->ro->grffile ? 1 : 2) << 8;
local_houseid |= hs->grf_prop.local_id;
}
return houseclass << 16 | local_houseid;
@@ -375,7 +395,7 @@ static uint32 HouseGetVariable(const ResolverObject *object, byte variable, uint
/* GRFID of nearby house tile */
case 0x67: {
- TileIndex testtile = GetNearbyTile(parameter, tile);
+ TileIndex testtile = GetNearbyTile(parameter, this->tile);
if (!IsTileType(testtile, MP_HOUSE)) return 0xFFFFFFFF;
HouseID house_id = GetHouseType(testtile);
if (house_id < NEW_HOUSE_OFFSET) return 0;
@@ -391,71 +411,21 @@ static uint32 HouseGetVariable(const ResolverObject *object, byte variable, uint
return UINT_MAX;
}
-static const SpriteGroup *HouseResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
+/* virtual */ const SpriteGroup *HouseResolverObject::ResolveReal(const RealSpriteGroup *group) const
{
/* Houses do not have 'real' groups */
return NULL;
}
-/**
- * Store a value into the persistent storage of the object's parent.
- * @param object Object that we want to query.
- * @param pos Position in the persistent storage to use.
- * @param value Value to store.
- */
-void HouseStorePSA(ResolverObject *object, uint pos, int32 value)
-{
- /* Houses have no persistent storage. */
- if (object->scope != VSG_SCOPE_PARENT || object->u.house.not_yet_constructed) return;
-
- /* Pass the request on to the town of the house */
- TownStorePSA(object->u.house.town, object->grffile, pos, value);
-}
-
-/**
- * NewHouseResolver():
- *
- * Returns a resolver object to be used with feature 07 spritegroups.
- */
-static void NewHouseResolver(ResolverObject *res, HouseID house_id, TileIndex tile, Town *town)
-{
- res->GetRandomBits = HouseGetRandomBits;
- res->GetTriggers = HouseGetTriggers;
- res->SetTriggers = HouseSetTriggers;
- res->GetVariable = HouseGetVariable;
- res->ResolveRealMethod = HouseResolveReal;
- res->StorePSA = HouseStorePSA;
-
- res->u.house.tile = tile;
- res->u.house.town = town;
- res->u.house.house_id = house_id;
- res->u.house.not_yet_constructed = false;
-
- res->callback = CBID_NO_CALLBACK;
- res->callback_param1 = 0;
- res->callback_param2 = 0;
- res->ResetState();
-
- const HouseSpec *hs = HouseSpec::Get(house_id);
- res->grffile = (hs != NULL ? hs->grf_prop.grffile : NULL);
-}
-
-uint16 GetHouseCallback(CallbackID callback, uint32 param1, uint32 param2, HouseID house_id, Town *town, TileIndex tile, bool not_yet_constructed, uint8 initial_random_bits, uint32 watched_cargo_triggers)
+uint16 GetHouseCallback(CallbackID callback, uint32 param1, uint32 param2, HouseID house_id, Town *town, TileIndex tile,
+ bool not_yet_constructed, uint8 initial_random_bits, uint32 watched_cargo_triggers)
{
- ResolverObject object;
- const SpriteGroup *group;
-
assert(IsValidTile(tile) && (not_yet_constructed || IsTileType(tile, MP_HOUSE)));
- NewHouseResolver(&object, house_id, tile, town);
- object.callback = callback;
- object.callback_param1 = param1;
- object.callback_param2 = param2;
- object.u.house.not_yet_constructed = not_yet_constructed;
- object.u.house.initial_random_bits = initial_random_bits;
- object.u.house.watched_cargo_triggers = watched_cargo_triggers;
+ HouseResolverObject object(house_id, tile, town, callback, param1, param2,
+ not_yet_constructed, initial_random_bits, watched_cargo_triggers);
- group = SpriteGroup::Resolve(HouseSpec::Get(house_id)->grf_prop.spritegroup[0], &object);
+ const SpriteGroup *group = SpriteGroup::Resolve(HouseSpec::Get(house_id)->grf_prop.spritegroup[0], &object);
if (group == NULL) return CALLBACK_FAILED;
return group->GetCallbackResult();
@@ -491,8 +461,6 @@ static void DrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *grou
void DrawNewHouseTile(TileInfo *ti, HouseID house_id)
{
const HouseSpec *hs = HouseSpec::Get(house_id);
- const SpriteGroup *group;
- ResolverObject object;
if (ti->tileh != SLOPE_FLAT) {
bool draw_old_one = true;
@@ -505,12 +473,10 @@ void DrawNewHouseTile(TileInfo *ti, HouseID house_id)
if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
}
- NewHouseResolver(&object, house_id, ti->tile, Town::GetByTile(ti->tile));
+ HouseResolverObject object(house_id, ti->tile, Town::GetByTile(ti->tile));
- group = SpriteGroup::Resolve(hs->grf_prop.spritegroup[0], &object);
- if (group == NULL || group->type != SGT_TILELAYOUT) {
- return;
- } else {
+ const SpriteGroup *group = SpriteGroup::Resolve(hs->grf_prop.spritegroup[0], &object);
+ if (group != NULL && group->type == SGT_TILELAYOUT) {
/* Limit the building stage to the number of stages supplied. */
const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
byte stage = GetHouseBuildingStage(ti->tile);
@@ -623,8 +589,6 @@ bool NewHouseTileLoop(TileIndex tile)
static void DoTriggerHouse(TileIndex tile, HouseTrigger trigger, byte base_random, bool first)
{
- ResolverObject object;
-
/* We can't trigger a non-existent building... */
assert(IsTileType(tile, MP_HOUSE));
@@ -633,9 +597,7 @@ static void DoTriggerHouse(TileIndex tile, HouseTrigger trigger, byte base_rando
if (hs->grf_prop.spritegroup == NULL) return;
- NewHouseResolver(&object, hid, tile, Town::GetByTile(tile));
-
- object.callback = CBID_RANDOM_TRIGGER;
+ HouseResolverObject object(hid, tile, Town::GetByTile(tile), CBID_RANDOM_TRIGGER);
object.trigger = trigger;
const SpriteGroup *group = SpriteGroup::Resolve(hs->grf_prop.spritegroup[0], &object);
@@ -715,12 +677,3 @@ void WatchedCargoCallback(TileIndex tile, uint32 trigger_cargoes)
if (hs->building_flags & BUILDING_HAS_4_TILES) DoWatchedCargoCallback(TILE_ADDXY(north, 1, 1), tile, trigger_cargoes, r);
}
-/**
- * Resolve a house's spec and such so we can get a variable.
- * @param ro The resolver object to fill.
- * @param index The house tile to get the data from.
- */
-void GetHouseResolver(ResolverObject *ro, uint index)
-{
- NewHouseResolver(ro, GetHouseType(index), index, Town::GetByTile(index));
-}
diff --git a/src/newgrf_house.h b/src/newgrf_house.h
index cdb184b5c..7986f114e 100644
--- a/src/newgrf_house.h
+++ b/src/newgrf_house.h
@@ -15,6 +15,46 @@
#include "newgrf_callbacks.h"
#include "tile_cmd.h"
#include "house_type.h"
+#include "newgrf_spritegroup.h"
+#include "newgrf_town.h"
+
+struct HouseScopeResolver : public ScopeResolver {
+ HouseID house_id;
+ TileIndex tile;
+ Town *town; ///< Town of this house.
+ bool not_yet_constructed; ///< True for construction check.
+ uint16 initial_random_bits; ///< Random bits during construction checks.
+ uint32 watched_cargo_triggers; ///< Cargo types that triggered the watched cargo callback.
+
+ HouseScopeResolver(ResolverObject *ro, HouseID house_id, TileIndex tile, Town *town,
+ bool not_yet_constructed, uint8 initial_random_bits, uint32 watched_cargo_triggers);
+
+ /* virtual */ uint32 GetRandomBits() const;
+ /* virtual */ uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
+ /* virtual */ uint32 GetTriggers() const;
+ /* virtual */ void SetTriggers(int triggers) const;
+};
+
+/** Resolver object to be used for houses (feature 07 spritegroups). */
+struct HouseResolverObject : public ResolverObject {
+ HouseScopeResolver house_scope;
+ TownScopeResolver town_scope;
+
+ HouseResolverObject(HouseID house_id, TileIndex tile, Town *town,
+ CallbackID callback = CBID_NO_CALLBACK, uint32 param1 = 0, uint32 param2 = 0,
+ bool not_yet_constructed = false, uint8 initial_random_bits = 0, uint32 watched_cargo_triggers = 0);
+
+ /* virtual */ ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0)
+ {
+ switch (scope) {
+ case VSG_SCOPE_SELF: return &this->house_scope;
+ case VSG_SCOPE_PARENT: return &this->town_scope;
+ default: return &this->default_scope; // XXX ResolverObject::GetScope(scope, relative);
+ }
+ }
+
+ /* virtual */ const SpriteGroup *ResolveReal(const RealSpriteGroup *group) const;
+};
/**
* Makes class IDs unique to each GRF file.
@@ -44,7 +84,8 @@ void DrawNewHouseTile(TileInfo *ti, HouseID house_id);
void AnimateNewHouseTile(TileIndex tile);
void AnimateNewHouseConstruction(TileIndex tile);
-uint16 GetHouseCallback(CallbackID callback, uint32 param1, uint32 param2, HouseID house_id, Town *town, TileIndex tile, bool not_yet_constructed = false, uint8 initial_random_bits = 0, uint32 watched_cargo_triggers = 0);
+uint16 GetHouseCallback(CallbackID callback, uint32 param1, uint32 param2, HouseID house_id, Town *town, TileIndex tile,
+ bool not_yet_constructed = false, uint8 initial_random_bits = 0, uint32 watched_cargo_triggers = 0);
void WatchedCargoCallback(TileIndex tile, uint32 trigger_cargoes);
bool CanDeleteHouse(TileIndex tile);
diff --git a/src/newgrf_spritegroup.h b/src/newgrf_spritegroup.h
index f75b677fa..41a6c2e25 100644
--- a/src/newgrf_spritegroup.h
+++ b/src/newgrf_spritegroup.h
@@ -366,14 +366,6 @@ struct ResolverObject {
} station;
struct {
TileIndex tile;
- Town *town; ///< Town of this house
- HouseID house_id;
- uint16 initial_random_bits; ///< Random bits during construction checks
- bool not_yet_constructed; ///< True for construction check
- uint32 watched_cargo_triggers; ///< Cargo types that triggered the watched cargo callback.
- } house;
- struct {
- TileIndex tile;
Industry *ind;
IndustryGfx gfx;
IndustryType type;
diff --git a/src/table/newgrf_debug_data.h b/src/table/newgrf_debug_data.h
index 3ea83176d..c7f936587 100644
--- a/src/table/newgrf_debug_data.h
+++ b/src/table/newgrf_debug_data.h
@@ -9,6 +9,8 @@
/** @file newgrf_debug_data.h Data 'tables' for NewGRF debugging. */
+#include "../newgrf_house.h"
+
/* Helper for filling property tables */
#define NIP(prop, base, variable, type, name) { name, cpp_offsetof(base, variable), cpp_sizeof(base, variable), prop, type }
#define NIP_END() { NULL, 0, 0, 0, 0 }
@@ -184,7 +186,12 @@ class NIHHouse : public NIHelper {
const void *GetSpec(uint index) const { return HouseSpec::Get(GetHouseType(index)); }
void SetStringParameters(uint index) const { this->SetObjectAtStringParameters(STR_TOWN_NAME, GetTownIndex(index), index); }
uint32 GetGRFID(uint index) const { return (this->IsInspectable(index)) ? HouseSpec::Get(GetHouseType(index))->grf_prop.grffile->grfid : 0; }
- void Resolve(ResolverObject *ro, uint32 index) const { extern void GetHouseResolver(ResolverObject *ro, uint index); GetHouseResolver(ro, index); }
+
+ /* virtual */ uint Resolve(uint index, uint var, uint param, bool *avail) const
+ {
+ HouseResolverObject ro(GetHouseType(index), index, Town::GetByTile(index));
+ return ro.GetScope(ro.scope)->GetVariable(var, param, avail);
+ }
};
static const NIFeature _nif_house = {
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-23 13:21:41 +0000