mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r15352) -Codechange: make the arguments passed around while founding a town a bit more readable
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9d94c8f369
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@ -250,7 +250,7 @@ void UpdateAllTownVirtCoords();
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void InitializeTown();
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void ShowTownViewWindow(TownID town);
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void ExpandTown(Town *t);
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Town *CreateRandomTown(uint attempts, TownSizeMode mode, uint size, TownLayout layout);
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Town *CreateRandomTown(uint attempts, TownSize size, bool city, TownLayout layout);
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enum {
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ROAD_REMOVE = 0,
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@ -1428,7 +1428,7 @@ void UpdateTownMaxPass(Town *t)
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* @param size_mode How the size should be determined
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* @param size Parameter for size determination
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*/
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static void DoCreateTown(Town *t, TileIndex tile, uint32 townnameparts, TownSizeMode size_mode, uint size, TownLayout layout)
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static void DoCreateTown(Town *t, TileIndex tile, uint32 townnameparts, TownSize size, bool city, TownLayout layout)
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{
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extern int _nb_orig_names;
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@ -1480,26 +1480,11 @@ static void DoCreateTown(Town *t, TileIndex tile, uint32 townnameparts, TownSize
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t->InitializeLayout(layout);
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/* Random town size. */
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int x = (Random() & 0xF) + 8;
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t->larger_town = city;
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switch (size_mode) {
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default: NOT_REACHED();
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case TSM_RANDOM:
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t->larger_town = false;
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break;
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case TSM_FIXED:
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x = size * 16 + 3;
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t->larger_town = false;
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break;
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case TSM_CITY:
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x *= _settings_game.economy.initial_city_size;
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t->larger_town = true;
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break;
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}
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int x = (int)size * 16 + 3;
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if (size == TS_RANDOM) x = (Random() & 0xF) + 8;
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if (city) x *= _settings_game.economy.initial_city_size;
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t->noise_reached = 0;
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@ -1521,20 +1506,21 @@ static void DoCreateTown(Town *t, TileIndex tile, uint32 townnameparts, TownSize
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* as it might be possible in the future to fund your own town :)
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* @param tile coordinates where town is built
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* @param flags type of operation
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* @param p1 0..15 size of the town (0 = small, 1 = medium, 2 = large)
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* 16..31 town road layout
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* @param p2 size mode (@see TownSizeMode)
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* @param p1 0..1 size of the town (@see TownSize)
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* 2 true iff it should be a city
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* 3..5 town road layout (@see TownLayout)
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* @param p2 unused
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*/
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CommandCost CmdBuildTown(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text)
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{
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/* Only in the scenario editor */
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if (_game_mode != GM_EDITOR) return CMD_ERROR;
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TownSizeMode tsm = (TownSizeMode)p2;
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uint size = GB(p1, 0, 16);
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TownLayout layout = (TownLayout)GB(p1, 16, 16);
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TownSize size = (TownSize)GB(p1, 0, 2);
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bool city = HasBit(p1, 2);
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TownLayout layout = (TownLayout)GB(p1, 3, 3);
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if (tsm > TSM_CITY) return CMD_ERROR;
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if (size > TS_RANDOM) return CMD_ERROR;
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if (layout > TL_RANDOM) return CMD_ERROR;
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/* Check if too close to the edge of map */
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@ -1564,14 +1550,14 @@ CommandCost CmdBuildTown(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, con
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Town *t = new Town(tile);
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_generating_world = true;
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UpdateNearestTownForRoadTiles(true);
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DoCreateTown(t, tile, townnameparts, tsm, size, layout);
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DoCreateTown(t, tile, townnameparts, size, city, layout);
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UpdateNearestTownForRoadTiles(false);
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_generating_world = false;
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}
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return CommandCost();
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}
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Town *CreateRandomTown(uint attempts, TownSizeMode mode, uint size, TownLayout layout)
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Town *CreateRandomTown(uint attempts, TownSize size, bool city, TownLayout layout)
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{
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if (!Town::CanAllocateItem()) return NULL;
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@ -1603,7 +1589,7 @@ Town *CreateRandomTown(uint attempts, TownSizeMode mode, uint size, TownLayout l
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/* Allocate a town struct */
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Town *t = new Town(tile);
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DoCreateTown(t, tile, townnameparts, mode, size, layout);
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DoCreateTown(t, tile, townnameparts, size, city, layout);
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return t;
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} while (--attempts != 0);
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@ -1623,13 +1609,12 @@ bool GenerateTowns(TownLayout layout)
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do {
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IncreaseGeneratingWorldProgress(GWP_TOWN);
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/* try 20 times to create a random-sized town for the first loop. */
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TownSizeMode mode = num_cities > 0 ? TSM_CITY : TSM_RANDOM;
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if (CreateRandomTown(20, mode, _settings_game.economy.initial_city_size, layout) != NULL) num++;
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if (CreateRandomTown(20, TS_RANDOM, num_cities > 0, layout) != NULL) num++;
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if (num_cities > 0) num_cities--;
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} while (--n);
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/* give it a last try, but now more aggressive */
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if (num == 0 && CreateRandomTown(10000, TSM_RANDOM, 0, layout) == NULL) {
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if (num == 0 && CreateRandomTown(10000, TS_RANDOM, false, layout) == NULL) {
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if (GetNumTowns() == 0) {
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/* XXX - can we handle that more gracefully? */
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if (_game_mode != GM_EDITOR) usererror("Could not generate any town");
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@ -28,7 +28,7 @@
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typedef GUIList<const Town*> GUITownList;
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static int _scengen_town_size = 1; // depress medium-sized towns per default
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static uint _scengen_town_size = 1; // select medium-sized towns per default
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static TownLayout _scengen_town_layout;
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static const Widget _town_authority_widgets[] = {
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@ -603,10 +603,9 @@ void CcBuildTown(bool success, TileIndex tile, uint32 p1, uint32 p2)
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static void PlaceProc_Town(TileIndex tile)
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{
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uint32 size = min(_scengen_town_size, 2);
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uint32 mode = _scengen_town_size > 2 ? TSM_CITY : TSM_FIXED;
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uint32 layout = _scengen_town_layout;
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DoCommandP(tile, size | (layout << 16), mode, CMD_BUILD_TOWN | CMD_MSG(STR_0236_CAN_T_BUILD_TOWN_HERE), CcBuildTown);
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bool city = _scengen_town_size > (uint)TS_LARGE;
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TownSize size = city ? TS_RANDOM : (TownSize)_scengen_town_size;
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DoCommandP(tile, size | city << 2 | (_scengen_town_layout << 3), 0, CMD_BUILD_TOWN | CMD_MSG(STR_0236_CAN_T_BUILD_TOWN_HERE), CcBuildTown);
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}
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static const Widget _scen_edit_town_gen_widgets[] = {
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@ -677,14 +676,14 @@ public:
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break;
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case TSEW_RANDOMTOWN: {
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Town *t;
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uint size = min(_scengen_town_size, (int)TSM_CITY);
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TownSizeMode mode = _scengen_town_size > TSM_CITY ? TSM_CITY : TSM_FIXED;
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bool city = _scengen_town_size == 3;
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/* cities will always have 'large size' * initial_city_size */
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TownSize size = city ? TS_RANDOM : (TownSize)_scengen_town_size;
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this->HandleButtonClick(TSEW_RANDOMTOWN);
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_generating_world = true;
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UpdateNearestTownForRoadTiles(true);
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t = CreateRandomTown(20, mode, size, _scengen_town_layout);
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const Town *t = CreateRandomTown(20, size, city, _scengen_town_layout);
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UpdateNearestTownForRoadTiles(false);
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_generating_world = false;
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@ -14,10 +14,12 @@ typedef uint16 HouseClassID;
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struct Town;
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struct HouseSpec;
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enum TownSizeMode {
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TSM_RANDOM,
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TSM_FIXED,
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TSM_CITY
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/** Supported initial town sizes */
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enum TownSize {
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TS_SMALL, ///< small town
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TS_MEDIUM, ///< medium town
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TS_LARGE, ///< large town
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TS_RANDOM, ///< random size, bigger than small, smaller than large
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};
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enum {
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