Changeset - r18550:9defbb1193d0
[Not reviewed]
master
0 4 0
terkhen - 13 years ago 2011-12-03 22:21:27
terkhen@openttd.org
(svn r23405) -Codechange: Keep a matrix of cargos accepted by houses for each town (michi_cc).
4 files changed with 133 insertions and 0 deletions:
0 comments (0 inline, 0 general)
src/saveload/afterload.cpp
Show inline comments
 
@@ -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();
src/saveload/town_sl.cpp
Show inline comments
 
@@ -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);
 
		}
 
	}
 
}
 

	
src/town.h
Show inline comments
 
@@ -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_
 

	
 
	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);
src/town_cmd.cpp
Show inline comments
 
@@ -673,6 +673,75 @@ static void ChangeTileOwner_Town(TileInd
 
	/* 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, 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 t
 
	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);
 
	}
 
}
 

	
0 comments (0 inline, 0 general)