summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/saveload/afterload.cpp13
-rw-r--r--src/saveload/town_sl.cpp36
-rw-r--r--src/town.h10
-rw-r--r--src/town_cmd.cpp74
4 files changed, 133 insertions, 0 deletions
diff --git a/src/saveload/afterload.cpp b/src/saveload/afterload.cpp
index d231f6912..800f81647 100644
--- a/src/saveload/afterload.cpp
+++ b/src/saveload/afterload.cpp
@@ -2700,6 +2700,19 @@ bool AfterLoadGame()
* which is done by StartupEngines(). */
if (gcf_res != GLC_ALL_GOOD) StartupEngines();
+ if (IsSavegameVersionBefore(166)) {
+ /* Update cargo acceptance map of towns. */
+ for (TileIndex t = 0; t < map_size; t++) {
+ if (!IsTileType(t, MP_HOUSE)) continue;
+ Town::Get(GetTownIndex(t))->cargo_accepted.Add(t);
+ }
+
+ Town *town;
+ FOR_ALL_TOWNS(town) {
+ UpdateTownCargos(town);
+ }
+ }
+
/* Road stops is 'only' updating some caches */
AfterLoadRoadStops();
AfterLoadLabelMaps();
diff --git a/src/saveload/town_sl.cpp b/src/saveload/town_sl.cpp
index c88754ca8..71dc4cd5b 100644
--- a/src/saveload/town_sl.cpp
+++ b/src/saveload/town_sl.cpp
@@ -97,6 +97,7 @@ void UpdateHousesAndTowns()
/* Update the population and num_house dependant values */
FOR_ALL_TOWNS(town) {
UpdateTownRadius(town);
+ UpdateTownCargos(town);
}
}
@@ -176,6 +177,8 @@ static const SaveLoad _town_desc[] = {
SLE_CONDLST(Town, psa_list, REF_STORAGE, 161, SL_MAX_VERSION),
+ SLE_CONDVAR(Town, cargo_produced, SLE_UINT32, 166, SL_MAX_VERSION),
+
/* reserve extra space in savegame here. (currently 30 bytes) */
SLE_CONDNULL(30, 2, SL_MAX_VERSION),
@@ -210,6 +213,19 @@ static void Load_HIDS()
Load_NewGRFMapping(_house_mngr);
}
+const SaveLoad *GetTileMatrixDesc()
+{
+ /* Here due to private member vars. */
+ static const SaveLoad _tilematrix_desc[] = {
+ SLE_VAR(AcceptanceMatrix, area.tile, SLE_UINT32),
+ SLE_VAR(AcceptanceMatrix, area.w, SLE_UINT16),
+ SLE_VAR(AcceptanceMatrix, area.h, SLE_UINT16),
+ SLE_END()
+ };
+
+ return _tilematrix_desc;
+}
+
static void RealSave_Town(Town *t)
{
SlObject(t, _town_desc);
@@ -220,6 +236,14 @@ static void RealSave_Town(Town *t)
for (int i = TE_BEGIN; i < NUM_TE; i++) {
SlObject(&t->received[i], _town_received_desc);
}
+
+ if (IsSavegameVersionBefore(166)) return;
+
+ SlObject(&t->cargo_accepted, GetTileMatrixDesc());
+ if (t->cargo_accepted.area.w != 0) {
+ uint arr_len = t->cargo_accepted.area.w / AcceptanceMatrix::GRID * t->cargo_accepted.area.h / AcceptanceMatrix::GRID;
+ SlArray(t->cargo_accepted.data, arr_len, SLE_UINT32);
+ }
}
static void Save_TOWN()
@@ -250,6 +274,18 @@ static void Load_TOWN()
if (t->townnamegrfid == 0 && !IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST)) {
SlErrorCorrupt("Invalid town name generator");
}
+
+ if (IsSavegameVersionBefore(166)) continue;
+
+ SlObject(&t->cargo_accepted, GetTileMatrixDesc());
+ if (t->cargo_accepted.area.w != 0) {
+ uint arr_len = t->cargo_accepted.area.w / AcceptanceMatrix::GRID * t->cargo_accepted.area.h / AcceptanceMatrix::GRID;
+ t->cargo_accepted.data = MallocT<uint32>(arr_len);
+ SlArray(t->cargo_accepted.data, arr_len, SLE_UINT32);
+
+ /* Rebuild total cargo acceptance. */
+ UpdateTownCargoTotal(t);
+ }
}
}
diff --git a/src/town.h b/src/town.h
index c0c356735..c276be26b 100644
--- a/src/town.h
+++ b/src/town.h
@@ -19,6 +19,7 @@
#include "subsidy_type.h"
#include "newgrf_storage.h"
#include "cargotype.h"
+#include "tilematrix_type.hpp"
#include <list>
template <typename T>
@@ -27,6 +28,8 @@ struct BuildingCounts {
T class_count[HOUSE_CLASS_MAX];
};
+typedef TileMatrix<uint32, 4> AcceptanceMatrix;
+
static const uint CUSTOM_TOWN_NUMBER_DIFFICULTY = 4; ///< value for custom town number in difficulty settings
static const uint CUSTOM_TOWN_MAX_NUMBER = 5000; ///< this is the maximum number of towns a user can specify in customisation
@@ -76,6 +79,11 @@ struct Town : TownPool::PoolItem<&_town_pool> {
inline byte GetPercentTransported(CargoID cid) const { return this->supplied[cid].old_act * 256 / (this->supplied[cid].old_max + 1); }
+ /* Cargo production and acceptance stats. */
+ uint32 cargo_produced; ///< Bitmap of all cargos produced by houses in this town.
+ AcceptanceMatrix cargo_accepted; ///< Bitmap of cargos accepted by houses for each 4*4 map square of the town.
+ uint32 cargo_accepted_total; ///< NOSAVE: Bitmap of all cargos accepted by houses in this town.
+
uint16 time_until_rebuild; ///< time until we rebuild a house
uint16 grow_counter; ///< counter to count when to grow
@@ -175,6 +183,8 @@ void ResetHouses();
void ClearTownHouse(Town *t, TileIndex tile);
void UpdateTownMaxPass(Town *t);
void UpdateTownRadius(Town *t);
+void UpdateTownCargos(Town *t);
+void UpdateTownCargoTotal(Town *t);
CommandCost CheckIfAuthorityAllowsNewStation(TileIndex tile, DoCommandFlag flags);
Town *ClosestTownFromTile(TileIndex tile, uint threshold);
void ChangeTownRating(Town *t, int add, int max, DoCommandFlag flags);
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 184d00de9..39e4ebc3e 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -673,6 +673,75 @@ static void ChangeTileOwner_Town(TileIndex tile, Owner old_owner, Owner new_owne
/* not used */
}
+/** Update the total cargo acceptance of the whole town.
+ * @param t The town to update.
+ */
+void UpdateTownCargoTotal(Town *t)
+{
+ t->cargo_accepted_total = 0;
+
+ const TileArea &area = t->cargo_accepted.GetArea();
+ TILE_AREA_LOOP(tile, area) {
+ if (TileX(tile) % AcceptanceMatrix::GRID == 0 && TileY(tile) % AcceptanceMatrix::GRID == 0) {
+ t->cargo_accepted_total |= t->cargo_accepted[tile];
+ }
+ }
+}
+
+/**
+ * Update accepted town cargos around a specific tile.
+ * @param t The town to update.
+ * @param start Update the values around this tile.
+ * @param update_total Set to true if the total cargo acceptance should be updated.
+ */
+static void UpdateTownCargos(Town *t, TileIndex start, bool update_total = true)
+{
+ CargoArray accepted, produced;
+ uint32 dummy;
+
+ /* Gather acceptance for all houses in an area around the start tile.
+ * The area is composed of the square the tile is in, extended one square in all
+ * directions as the coverage area of a single station is bigger than just one square. */
+ TileArea area = AcceptanceMatrix::GetAreaForTile(start, 1);
+ TILE_AREA_LOOP(tile, area) {
+ if (!IsTileType(tile, MP_HOUSE) || GetTownIndex(tile) != t->index) continue;
+
+ AddAcceptedCargo_Town(tile, accepted, &dummy);
+ AddProducedCargo_Town(tile, produced);
+ }
+
+ /* Create bitmap of produced and accepted cargos. */
+ uint32 acc = 0;
+ for (uint cid = 0; cid < NUM_CARGO; cid++) {
+ if (accepted[cid] >= 8) SetBit(acc, cid);
+ if (produced[cid] > 0) SetBit(t->cargo_produced, cid);
+ }
+ t->cargo_accepted[start] = acc;
+
+ if (update_total) UpdateTownCargoTotal(t);
+}
+
+/** Update cargo acceptance for the complete town.
+ * @param t The town to update.
+ */
+void UpdateTownCargos(Town *t)
+{
+ t->cargo_produced = 0;
+
+ const TileArea &area = t->cargo_accepted.GetArea();
+ if (area.tile == INVALID_TILE) return;
+
+ /* Update acceptance for each grid square. */
+ TILE_AREA_LOOP(tile, area) {
+ if (TileX(tile) % AcceptanceMatrix::GRID == 0 && TileY(tile) % AcceptanceMatrix::GRID == 0) {
+ UpdateTownCargos(t, tile, false);
+ }
+ }
+
+ /* Update the total acceptance. */
+ UpdateTownCargoTotal(t);
+}
+
static bool GrowTown(Town *t);
static void TownTickHandler(Town *t)
@@ -2221,6 +2290,7 @@ static bool BuildTownHouse(Town *t, TileIndex tile)
}
MakeTownHouse(tile, t, construction_counter, construction_stage, house, random_bits);
+ UpdateTownCargos(t, tile);
return true;
}
@@ -2302,6 +2372,9 @@ void ClearTownHouse(Town *t, TileIndex tile)
if (eflags & BUILDING_2_TILES_Y) DoClearTownHouseHelper(tile + TileDiffXY(0, 1), t, ++house);
if (eflags & BUILDING_2_TILES_X) DoClearTownHouseHelper(tile + TileDiffXY(1, 0), t, ++house);
if (eflags & BUILDING_HAS_4_TILES) DoClearTownHouseHelper(tile + TileDiffXY(1, 1), t, ++house);
+
+ /* Update cargo acceptance. */
+ UpdateTownCargos(t, tile);
}
/**
@@ -3068,6 +3141,7 @@ void TownsMonthlyLoop()
UpdateTownRating(t);
UpdateTownGrowRate(t);
UpdateTownUnwanted(t);
+ UpdateTownCargos(t);
}
}