#include "stdafx.h" #include "ttd.h" #include "viewport.h" #include "town.h" #include "command.h" #include "pathfind.h" #include "gfx.h" #include "industry.h" #include "station.h" #include "player.h" #include "news.h" #include "saveload.h" #include "economy.h" #include "gui.h" // Local static int _grow_town_result; static bool BuildTownHouse(Town *t, uint tile); static void ClearTownHouse(Town *t, uint tile); static void DoBuildTownHouse(Town *t, uint tile); typedef struct DrawTownTileStruct { uint32 sprite_1; uint32 sprite_2; byte subtile_xy; byte width_height; byte dz; byte proc; } DrawTownTileStruct; #include "table/town_land.h" static void TownDrawTileProc1(TileInfo *ti) { AddChildSpriteScreen(0x5A3, 0xE, 0x3C - (_map_owner[ti->tile]&0x7F)); } typedef void TownDrawTileProc(TileInfo *ti); static TownDrawTileProc * const _town_draw_tile_procs[1] = { TownDrawTileProc1 }; static void DrawTile_Town(TileInfo *ti) { const DrawTownTileStruct *dcts; byte z; uint32 image; /* Retrieve pointer to the draw town tile struct */ { uint hash, t; hash = ti->x >> 4; hash ^= hash>>2; hash ^= (t=(ti->y >> 4)); hash -= t>>2; dcts = &_town_draw_tile_data[((_map2[ti->tile]<<4)|(_map3_lo[ti->tile]>>6)|((hash&3)<<2))]; } z = ti->z; /* Add bricks below the house? */ if (ti->tileh) { AddSortableSpriteToDraw(0x3DD + ti->tileh, ti->x, ti->y, 16, 16, 7, z); AddChildSpriteScreen(dcts->sprite_1, 0x1F, 1); z += 8; } else { /* Else draw regular ground */ DrawGroundSprite(dcts->sprite_1); } /* Add a house on top of the ground? */ if ((image = dcts->sprite_2) != 0) { if (!(_display_opt & DO_TRANS_BUILDINGS)) image = (image & 0x3FFF) | 0x3224000; AddSortableSpriteToDraw(image, ti->x | (dcts->subtile_xy>>4), ti->y | (dcts->subtile_xy&0xF), (dcts->width_height>>4)+1, (dcts->width_height&0xF)+1, dcts->dz, z); if (!(_display_opt & DO_TRANS_BUILDINGS)) return; } { int proc; if ((proc=dcts->proc-1) >= 0 ) _town_draw_tile_procs[proc](ti); } } static uint GetSlopeZ_Town(TileInfo *ti) { uint z = GetPartialZ(ti->x&0xF, ti->y&0xF, ti->tileh) + ti->z; if (ti->tileh != 0) z = (z & ~7) + 4; return (uint16) z; } static uint GetSlopeTileh_Town(TileInfo *ti) { return ti->tileh; } static void AnimateTile_Town(uint tile) { int old; int i; int a,b; if (_tick_counter & 3) return; if (_map2[tile] != 4 && _map2[tile] != 5) return; if (!((old=_map_owner[tile])&0x80)) { _map_owner[tile] |= 0x80; do { i = (Random()&7) - 1; } while (i < 0 || i == 1 || i*6==old); _map5[tile] = (_map5[tile] & ~0x3F) | i; } a = _map_owner[tile]&0x7F; b = (_map5[tile]&0x3F) * 6; a += (a < b) ? 1 : -1; _map_owner[tile] = (_map_owner[tile]&0x80)|a; if (a == b) { _map5[tile] &= 0x40; _map_owner[tile] &= 0x7F; DeleteAnimatedTile(tile); } MarkTileDirtyByTile(tile); } static void UpdateTownRadius(Town *t); static bool IsCloseToTown(uint tile, uint dist) { Town *t; FOR_ALL_TOWNS(t) { if (t->xy != 0 && GetTileDist(tile, t->xy) < dist) return true; } return false; } static void ChangePopulation(Town *t, int mod) { t->population += mod; InvalidateWindow(WC_TOWN_VIEW, t->index); if (_town_sort_order & 2) _town_sort_dirty = true; } static void MakeSingleHouseBigger(uint tile) { byte b; assert(IS_TILETYPE(tile, MP_HOUSE)); b = _map5[tile]; if (b & 0x80) return; _map5[tile] = (b & 0xC0) | ((b+1)&7); if ((_map5[tile]&7) != 0) return; _map3_lo[tile] = _map3_lo[tile] + 0x40; if ( (_map3_lo[tile] & 0xC0) == 0xC0) { Town *t = ClosestTownFromTile(tile, (uint)-1); ChangePopulation(t, _housetype_population[_map2[tile]]); } MarkTileDirtyByTile(tile); } static void MakeTownHouseBigger(uint tile) { uint flags = _house_more_flags[_map2[tile]]; if (flags & 8) MakeSingleHouseBigger(TILE_ADDXY(tile, 0, 0)); if (flags & 4) MakeSingleHouseBigger(TILE_ADDXY(tile, 0, 1)); if (flags & 2) MakeSingleHouseBigger(TILE_ADDXY(tile, 1, 0)); if (flags & 1) MakeSingleHouseBigger(TILE_ADDXY(tile, 1, 1)); } static void TileLoop_Town(uint tile) { int house; Town *t; uint32 r; if ((_map3_lo[tile] & 0xC0) != 0xC0) { MakeTownHouseBigger(tile); return; } house = _map2[tile]; if (_housetype_extra_flags[house] & 0x20 && !(_map5[tile] & 0x80) && CHANCE16(1,2) && AddAnimatedTile(tile)) { _map5[tile] = (_map5[tile] & 0x40)|0x80; } t = ClosestTownFromTile(tile, (uint)-1); r = Random(); if ( (byte)r < _housetype_population[house] ) { uint amt = ((byte)r >> 3) + 1, moved; if (_economy.fluct <= 0) amt = (amt + 1) >> 1; t->new_max_pass += amt; moved = MoveGoodsToStation(tile, 1, 1, CT_PASSENGERS, amt); t->new_act_pass += moved; } if ( (byte)(r>>8) < _housetype_mailamount[house] ) { uint amt = ((byte)(r>>8) >> 3) + 1, moved; if (_economy.fluct <= 0) amt = (amt + 1) >> 1; t->new_max_mail += amt; moved = MoveGoodsToStation(tile, 1, 1, CT_MAIL, amt); t->new_act_mail += moved; } if (_house_more_flags[house]&8 && (t->flags12&1) && --t->time_until_rebuild == 0) { r>>=16; t->time_until_rebuild = (r & 63) + 130; _current_player = OWNER_TOWN; ClearTownHouse(t, tile); // rebuild with another house? if ( (byte) (r >> 8) >= 12) { DoBuildTownHouse(t, tile); } } } static void ClickTile_Town(uint tile) { /* not used */ } static int32 ClearTile_Town(uint tile, byte flags) { int house, rating; int32 cost; Town *t; // safety checks if (!EnsureNoVehicle(tile)) return CMD_ERROR; if (flags&DC_AUTO && !(flags&DC_AI_BUILDING)) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED); house = _map2[tile]; cost = _price.remove_house * _housetype_remove_cost[house] >> 8; rating = _housetype_remove_ratingmod[house]; _cleared_town_rating += rating; _cleared_town = t = ClosestTownFromTile(tile, (uint)-1); if (_current_player < MAX_PLAYERS) { if (rating > t->ratings[_current_player] && !(flags & DC_NO_TOWN_RATING) && !_cheats.magic_bulldozer.value) { SET_DPARAM16(0, t->index); return_cmd_error(STR_2009_LOCAL_AUTHORITY_REFUSES); } } if (flags & DC_EXEC) { ChangeTownRating(t, -rating, -1000); ClearTownHouse(t, tile); } return cost; } static void GetAcceptedCargo_Town(uint tile, AcceptedCargo *ac) { int type = _map2[tile]; ac->type_1 = CT_PASSENGERS; ac->amount_1 = _housetype_cargo_passengers[type]; ac->type_2 = CT_GOODS; ac->amount_2 = _housetype_cargo_goods[type]; if (ac->amount_2 & 0x80) { ac->amount_2 &= 0x7F; ac->type_2 = CT_FOOD; } ac->type_3 = CT_MAIL; ac->amount_3 = _housetype_cargo_mail[type]; } static void GetTileDesc_Town(uint tile, TileDesc *td) { td->str = _town_tile_names[_map2[tile]]; if ((_map3_lo[tile] & 0xC0) != 0xC0) { SET_DPARAMX16(td->dparam, 0, td->str); td->str = STR_2058_UNDER_CONSTRUCTION; } td->owner = OWNER_TOWN; } static uint32 GetTileTrackStatus_Town(uint tile, TransportType mode) { /* not used */ return 0; } static void ChangeTileOwner_Town(uint tile, byte old_player, byte new_player) { /* not used */ } static const TileIndexDiff _roadblock_tileadd[4+3] = { TILE_XY(0,-1), TILE_XY(1,0), TILE_XY(0,1), TILE_XY(-1,0), // Store the first 3 elements again. // Lets us rotate without using &3. TILE_XY(0,-1), TILE_XY(1,0), TILE_XY(0,1), }; static void TownTickHandler(Town *t) { if (t->flags12&1) { int i = t->grow_counter - 1; if (i < 0) { if (GrowTown(t)) { i = t->growth_rate; } else { i = 0; } } t->grow_counter = i; } UpdateTownRadius(t); } void OnTick_Town() { uint i; Town *t; if (_game_mode == GM_EDITOR) return; i = _cur_town_ctr; t = DEREF_TOWN(i); if (++i == lengthof(_towns)) i = 0; _cur_town_ctr = i; if (t->xy != 0) TownTickHandler(t); } static byte GetTownRoadMask(TileIndex tile) { byte b = GetRoadBitsByTile(tile); byte r=0; if (b&1) r|=10; if (b&2) r|=5; if (b&4) r|=9; if (b&8) r|=6; if (b&16) r|=3; if (b&32) r|=12; return r; } static bool IsRoadAllowedHere(uint tile, int dir) { uint k; uint slope; // If this assertion fails, it might be because the world contains // land at the edges. This is not ok. TILE_ASSERT(tile); for(;;) { // Check if there already is a road at this point? if (GetRoadBitsByTile(tile) == 0) { // No, try to build one in the direction. // if that fails clear the land, and if that fails exit. // This is to make sure that we can build a road here later. if (DoCommandByTile(tile, (dir&1)?0xA:0x5, 0, DC_AUTO, CMD_BUILD_ROAD) == CMD_ERROR && DoCommandByTile(tile, 0, 0, DC_AUTO, CMD_LANDSCAPE_CLEAR) == CMD_ERROR) return false; } slope = GetTileSlope(tile, NULL); if (slope == 0) { // Tile has no slope // Disallow the road if any neighboring tile has a road. if (HASBIT(GetTownRoadMask(TILE_ADD(tile, _roadblock_tileadd[dir+1])), dir^2) || HASBIT(GetTownRoadMask(TILE_ADD(tile, _roadblock_tileadd[dir+3])), dir^2) || HASBIT(GetTownRoadMask(TILE_ADD(tile, _roadblock_tileadd[dir+1] + _roadblock_tileadd[dir+2])), dir) || HASBIT(GetTownRoadMask(TILE_ADD(tile, _roadblock_tileadd[dir+3] + _roadblock_tileadd[dir+2])), dir)) return false; // Otherwise allow return true; } // If the tile is not a slope in the right direction, then // maybe terraform some. if ((k = (dir&1)?0xC:0x9) != slope && (k^0xF) != slope) { uint32 r = Random(); if (CHANCE16I(1,8, r) && !_generating_world) { if (CHANCE16I(1,16,r)) DoCommandByTile(tile, slope, 0, DC_EXEC | DC_AUTO | DC_NO_WATER, CMD_TERRAFORM_LAND); else DoCommandByTile(tile, slope^0xF, 1, DC_EXEC | DC_AUTO | DC_NO_WATER, CMD_TERRAFORM_LAND); } return false; } tile = TILE_ADD(tile, _roadblock_tileadd[dir]); } } static bool TerraformTownTile(uint tile, int edges, int dir) { int32 r; TILE_ASSERT(tile); r = DoCommandByTile(tile, edges, dir, DC_AUTO | DC_NO_WATER, CMD_TERRAFORM_LAND); if (r == CMD_ERROR || r >= 126*16) return false; DoCommandByTile(tile, edges, dir, DC_AUTO | DC_NO_WATER | DC_EXEC, CMD_TERRAFORM_LAND); return true; } static void LevelTownLand(uint tile) { TileInfo ti; TILE_ASSERT(tile); // Don't terraform if land is plain or if there's a house there. FindLandscapeHeightByTile(&ti, tile); if (ti.tileh == 0 || ti.type == MP_HOUSE) return; // First try up, then down if (!TerraformTownTile(tile, ~ti.tileh & 0xF, 1)) { TerraformTownTile(tile, ti.tileh & 0xF, 0); } } #define IS_WATER_TILE(t) (IS_TILETYPE((t), MP_WATER) && _map5[(t)] == 0) static void GrowTownInTile(uint *tile_ptr, uint mask, int block, Town *t1) { Town *t2; uint16 r; int a,b,rcmd; uint tmptile; TileInfo ti; int i; int j; uint tile = *tile_ptr; TILE_ASSERT(tile); if (mask == 0) { // Tile has no road. First reset the status counter // to say that this is the last iteration. _grow_town_result = 0; // Then check if the tile we are at belongs to the town, // if not, bail out. t2 = ClosestTownFromTile(tile, (uint)-1); if (t2 != t1) return; // Remove hills etc LevelTownLand(tile); // Is a road allowed here? if (!IsRoadAllowedHere(tile, block)) return; // Randomize new road block numbers a = block; b = block ^ 2; r = (uint16)Random(); if (r <= 0x4000) do { a = (int)Random() & 3; } while(a == b); if (!IsRoadAllowedHere(TILE_ADD(tile,_roadblock_tileadd[a]), a)) { // A road is not allowed to continue the randomized road, // return if the road we're trying to build is curved. if ( a != (b^2)) return; // Return if neither side of the new road is a house if (!IS_TILETYPE(TILE_ADD(tile,_roadblock_tileadd[a+1]), MP_HOUSE) && !IS_TILETYPE(TILE_ADD(tile,_roadblock_tileadd[a+3]), MP_HOUSE)) return; // That means that the road is only allowed if there is a house // at any side of the new road. } rcmd = (1 << a) + (1 << b); } else if (block < 5 && !HASBIT(mask,block^2)) { // Continue building on a partial road. // Always OK. _grow_town_result = 0; rcmd = 1 << (block^2); } else { // Reached a tunnel? Then continue at the other side of it. if (IS_TILETYPE(tile, MP_TUNNELBRIDGE) && (_map5[tile]&~3)==4) { FindLengthOfTunnelResult flotr = FindLengthOfTunnel(tile, _map5[tile]&3); *tile_ptr = flotr.tile; return; } // For any other kind of tunnel/bridge, bail out. if (IS_TILETYPE(tile, MP_TUNNELBRIDGE)) return; // Possibly extend the road in a direction. // Randomize a direction and if it has a road, bail out. i = (int)Random() & 3; if (HASBIT(mask, i)) return; // This is the tile we will reach if we extend to this direction. tmptile = TILE_ADD(tile,_roadblock_tileadd[i]); // Don't do it if it reaches to water. if (IS_WATER_TILE(tmptile)) return; // If the new tile belongs to another town, // then stop the search altogether. if (ClosestTownFromTile(tmptile, (uint)-1) != t1) { _grow_town_result = 0; return; } // Build a house at the edge. 60% chance or // always ok if no road allowed. if (!IsRoadAllowedHere(tmptile, i) || CHANCE16(6,10)) { // But not if there already is a house there. if (!IS_TILETYPE(tmptile, MP_HOUSE)) { // Level the land if possible LevelTownLand(tmptile); // And build a house. // Set result to -1 if we managed to build it. if (BuildTownHouse(t1, tmptile)) _grow_town_result = -1; } return; } _grow_town_result = 0; rcmd = 1 << i; } FindLandscapeHeightByTile(&ti, tile); // Return if a water tile if (ti.type == MP_WATER && ti.map5==0) return; // Determine direction of slope, // and build a road if not a special slope. if ((i=0,ti.tileh != 3) && (i++,ti.tileh != 9) && (i++,ti.tileh != 12) && (i++,ti.tileh != 6)) { build_road_and_exit: if (DoCommandByTile(tile, rcmd, 0, DC_EXEC | DC_AUTO | DC_NO_WATER, CMD_BUILD_ROAD) != CMD_ERROR) _grow_town_result = -1; return; } tmptile = tile; // Now it contains the direction of the slope j = -11; // max 11 tile long bridges do { if (++j == 0) goto build_road_and_exit; tmptile = TILE_MASK(tmptile + _tileoffs_by_dir[i]); } while (IS_WATER_TILE(tmptile)); // no water tiles in between? if (j == -10) goto build_road_and_exit; // Quit if it selecting an appropiate bridge type fails a large number of times. j = 22; { int32 bridge_len = GetBridgeLength(tile, tmptile); do { byte bridge_type = RandomRange(MAX_BRIDGES - 1); if (CheckBridge_Stuff(bridge_type, bridge_len)) { if (DoCommandByTile(tile, tmptile, 0x8000 + bridge_type, DC_EXEC | DC_AUTO, CMD_BUILD_BRIDGE) != CMD_ERROR) _grow_town_result = -1; // obviously, if building any bridge would fail, there is no need to try other bridge-types return; } } while(--j != 0); } } #undef IS_WATER_TILE // Returns true if a house was built, or no if the build failed. static int GrowTownAtRoad(Town *t, uint tile) { uint mask; int block = 5; // special case TILE_ASSERT(tile); // Number of times to search. _grow_town_result = 20; do { // Get a bitmask of the road blocks on a tile mask = GetTownRoadMask(tile); // Try to grow the town from this point GrowTownInTile(&tile,mask,block,t); // Exclude the source position from the bitmask // and return if no more road blocks available CLRBIT(mask, (block ^ 2)); if (mask == 0) return _grow_town_result; // Select a random bit from the blockmask, walk a step // and continue the search from there. do block = Random() & 3; while (!HASBIT(mask,block)); tile += _roadblock_tileadd[block]; // Max number of times is checked. } while (--_grow_town_result >= 0); return (_grow_town_result == -2); } // Generate a random road block // The probability of a straight road // is somewhat higher than a curved. static int GenRandomRoadBits() { uint32 r = Random(); int a = r&3, b = (r >> 8) & 3; if (a == b) b ^= 2; return (1<xy; ptr = _town_coord_mod; do { if (GetRoadBitsByTile(tile) != 0) { return GrowTownAtRoad(t, tile); } offs = *ptr++; tile = TILE_ADD(tile, offs); } while (offs); // No road available, try to build a random road block by // clearing some land and then building a road there. tile = t->xy; ptr = _town_coord_mod; do { FindLandscapeHeightByTile(&ti, tile); // Only work with plain land that not already has a house with map5=0 if (ti.tileh == 0 && !(ti.type==MP_HOUSE && ti.map5==0)) { if (DoCommandByTile(tile, 0, 0, DC_AUTO, CMD_LANDSCAPE_CLEAR) != CMD_ERROR) { DoCommandByTile(tile, GenRandomRoadBits(), 0, DC_EXEC | DC_AUTO, CMD_BUILD_ROAD); return true; } } offs = *ptr++; tile = TILE_ADD(tile, offs); } while (offs != 0); return false; } static void UpdateTownRadius(Town *t) { static const uint16 _town_radius_data[23][5] = { { 4, 0, 0, 0, 0}, {16, 0, 0, 0, 0}, {25, 0, 0, 0, 0}, {36, 0, 0, 0, 0}, {49, 0, 4, 0, 0}, {64, 0, 4, 0, 0}, {64, 0, 9, 0, 1}, {64, 0, 9, 0, 4}, {64, 0, 16, 0, 4}, {81, 0, 16, 0, 4}, {81, 0, 16, 0, 4}, {81, 0, 25, 0, 9}, {81, 36, 25, 0, 9}, {81, 36, 25, 16, 9}, {81, 49, 0, 25, 9}, {81, 64, 0, 25, 9}, {81, 64, 0, 36, 9}, {81, 64, 0, 36, 16}, { 0, 81, 0, 49, 16}, { 0, 81, 0, 49, 25}, { 0,100, 0, 49, 25}, { 0,100, 0, 64, 25}, { 0,100, 0, 64, 36}, }; int i = min(t->num_houses, 88) >> 2; memcpy(t->radius, _town_radius_data[i], sizeof(t->radius)); } static void UpdateTownVirtCoord(Town *t) { Point pt = RemapCoords2(GET_TILE_X(t->xy)*16, GET_TILE_Y(t->xy)*16); SET_DPARAM32(0, t->townnameparts); UpdateViewportSignPos(&t->sign, pt.x, pt.y - 24, t->townnametype); } static void CreateTownName(Town *t1) { Town *t2; char buf1[64]; char buf2[64]; uint32 r; t1->townnametype = SPECSTR_TOWNNAME_START + _opt.town_name; for(;;) { restart: r = Random(); SET_DPARAM32(0, r); GetString(buf1, t1->townnametype); // Check size and width if (strlen(buf1) >= 31 || GetStringWidth(buf1) > 130) continue; FOR_ALL_TOWNS(t2) { if (t2->xy != 0) { SET_DPARAM32(0, t2->townnameparts); GetString(buf2, t2->townnametype); if (str_eq(buf1, buf2)) goto restart; } } t1->townnameparts = r; return; } } static void UpdateTownMaxPass(Town *t) { t->max_pass = t->population >> 3; t->max_mail = t->population >> 4; } static void DoCreateTown(Town *t, TileIndex tile) { int x, i; // clear the town struct i = t->index; memset(t, 0, sizeof(Town)); t->index = i; t->xy = tile; t->num_houses = 0; t->time_until_rebuild = 10; UpdateTownRadius(t); t->flags12 = 0; t->population = 0; t->grow_counter = 0; t->growth_rate = 250; t->new_max_pass = 0; t->new_max_mail = 0; t->new_act_pass = 0; t->new_act_mail = 0; t->max_pass = 0; t->max_mail = 0; t->act_pass = 0; t->act_mail = 0; t->pct_pass_transported = 0; t->pct_mail_transported = 0; t->fund_buildings_months = 0; t->new_act_food = 0; t->new_act_water = 0; t->act_food = 0; t->act_water = 0; for(i = 0; i != MAX_PLAYERS; i++) t->ratings[i] = 500; t->have_ratings = 0; t->exclusivity = (byte)-1; t->exclusive_counter = 0; t->statues = 0; CreateTownName(t); UpdateTownVirtCoord(t); _town_sort_dirty = true; x = (Random() & 0xF) + 8; if (_game_mode == GM_EDITOR) x = _new_town_size * 16 + 3; t->num_houses += x; UpdateTownRadius(t); i = x * 4; do { GrowTown(t); } while (--i); t->num_houses -= x; UpdateTownRadius(t); UpdateTownMaxPass(t); } static Town *AllocateTown() { Town *t; FOR_ALL_TOWNS(t) { if (t->xy == 0) { _total_towns++; return t; } } return NULL; } int32 CmdBuildTown(int x, int y, uint32 flags, uint32 p1, uint32 p2) { uint tile = TILE_FROM_XY(x,y); TileInfo ti; Town *t; SET_EXPENSES_TYPE(EXPENSES_OTHER); // Check if too close to the edge of map if (!CheckDistanceFromEdge(tile, 12)) return_cmd_error(STR_0237_TOO_CLOSE_TO_EDGE_OF_MAP); // Can only build on clear flat areas. FindLandscapeHeightByTile(&ti, tile); if (ti.type != MP_CLEAR || ti.tileh != 0) return_cmd_error(STR_0239_SITE_UNSUITABLE); // Check distance to all other towns. if (IsCloseToTown(tile, 20)) return_cmd_error(STR_0238_TOO_CLOSE_TO_ANOTHER_TOWN); // Allocate town struct t = AllocateTown(); if (t == NULL) return_cmd_error(STR_023A_TOO_MANY_TOWNS); // Create the town if (flags & DC_EXEC) { _generating_world = true; DoCreateTown(t, tile); _generating_world = false; } return 0; } Town *CreateRandomTown() { uint tile; TileInfo ti; Town *t; int n; // Try 20 times. n = 20; do { // Generate a tile index not too close from the edge tile = TILE_MASK(Random()); if (!CheckDistanceFromEdge(tile, 20)) continue; // Make sure the tile is plain FindLandscapeHeightByTile(&ti, tile); if (ti.type != MP_CLEAR || ti.tileh != 0) continue; // Check not too close to a town if (IsCloseToTown(tile, 20)) continue; // Allocate a town struct t = AllocateTown(); if (t == NULL) break; DoCreateTown(t, tile); return t; } while (--n); return NULL; } static const byte _num_initial_towns[3] = { 11, 23, 46 }; void GenerateTowns() { uint n; n = _num_initial_towns[_opt.diff.number_towns] + (Random()&7); do CreateRandomTown(); while (--n); } static bool CheckBuildHouseMode(Town *t1, uint tile, uint tileh, int mode) { Town *t2 = ClosestTownFromTile(tile, (uint)-1); int b; uint slope; static const byte _masks[8] = { 0xC,0x3,0x9,0x6, 0x3,0xC,0x6,0x9, }; if (t2 != t1) return false; slope = GetTileSlope(tile, NULL); if (slope & 0x10) return false; b = 0; if ((slope & 0xF && ~slope & _masks[mode])) b = ~b; if ((tileh & 0xF && ~tileh & _masks[mode+4])) b = ~b; if (b) return false; return DoCommandByTile(tile, 0, 0, DC_EXEC | DC_AUTO | DC_NO_WATER, CMD_LANDSCAPE_CLEAR) != CMD_ERROR; } int GetTownRadiusGroup(Town *t, uint tile) { uint dist; int i,smallest; dist = GetTileDistAdv(tile, t->xy); if (t->fund_buildings_months && dist <= 25) return 4; smallest = 0; for(i=0; i!=lengthof(t->radius); i++) { if (dist < t->radius[i]) smallest = i; } return smallest; } static bool CheckFree2x2Area(Town *t1, uint tile) { Town *t; int i; static const TileIndexDiff _tile_add[4] = { TILE_XY(0,0), TILE_XY(0,1) - TILE_XY(0,0), TILE_XY(1,0) - TILE_XY(0,1), TILE_XY(1,1) - TILE_XY(1,0), }; for(i=0; i!=4; i++) { tile += _tile_add[i]; t = ClosestTownFromTile(tile, (uint)-1); if (t1 != t) return false; if (GetTileSlope(tile, NULL)) return false; if (DoCommandByTile(tile, 0, 0, DC_EXEC | DC_AUTO | DC_NO_WATER | DC_FORCETEST, CMD_LANDSCAPE_CLEAR) == CMD_ERROR) return false; } return true; } static void DoBuildTownHouse(Town *t, uint tile) { int i; uint bitmask; int house; uint slope; int z; uint oneof; // Above snow? slope = GetTileSlope(tile, &z); // Get the town zone type { uint rad = GetTownRadiusGroup(t, tile); int land = _opt.landscape; if (land == LT_HILLY && z >= _opt.snow_line) land = -1; bitmask = (1 << rad) + (1 << (land + 12)); } // bits 0-4 are used // bits 11-15 are used // bits 5-10 are not used. { byte houses[lengthof(_housetype_flags)]; int num = 0; // Generate a list of all possible houses that can be built. for(i=0; i!=lengthof(_housetype_flags); i++) { if ((~_housetype_flags[i] & bitmask) == 0) houses[num++] = (byte)i; } for(;;) { house = houses[RandomRange(num)]; if (_cur_year < _housetype_years[house].min || _cur_year > _housetype_years[house].max) continue; // Special houses that there can be only one of. oneof = 0; if (house == 0x5B || house == 0x53 || house == 3 || house == 0x3C || house == 0x3D) oneof = 2; else if (house == 0x20 || house == 0x14) oneof = 4; if (t->flags12 & oneof) continue; // Make sure there is no slope? if (_housetype_extra_flags[house]&0x12 && slope) continue; if (_housetype_extra_flags[house]&0x10) { if (CheckFree2x2Area(t,tile) || CheckFree2x2Area(t,(tile+=TILE_XY(-1,0))) || CheckFree2x2Area(t,(tile+=TILE_XY(0,-1))) || CheckFree2x2Area(t,(tile+=TILE_XY(1,0)))) break; tile += TILE_XY(0,1); } else if (_housetype_extra_flags[house]&4) { if (CheckBuildHouseMode(t, tile+TILE_XY(1,0), slope, 0)) break; if (CheckBuildHouseMode(t, tile+TILE_XY(-1,0), slope, 1)) { tile += TILE_XY(-1,0); break; } } else if (_housetype_extra_flags[house]&8) { if (CheckBuildHouseMode(t, tile+TILE_XY(0,1), slope, 2)) break; if (CheckBuildHouseMode(t, tile+TILE_XY(0,-1), slope, 3)) { tile += TILE_XY(0,-1); break; } } else break; } } t->num_houses++; // Special houses that there can be only one of. t->flags12 |= oneof; { int m3lo,m5,eflags; // ENDING_2 m3lo = 0; m5 = 0; if (_generating_world) { uint32 r = Random(); // Value for map3lo m3lo = 0xC0; if ((byte)r >= 220) m3lo &= (r>>8); if (m3lo == 0xC0) ChangePopulation(t, _housetype_population[house]); // Initial value for map5. m5 = (r >> 16) & 0x3F; } assert(IS_TILETYPE(tile, MP_CLEAR)); ModifyTile(tile, MP_SETTYPE(MP_HOUSE) | MP_MAP2 | MP_MAP3LO | MP_MAP3HI_CLEAR | MP_MAP5 | MP_MAPOWNER, house, /* map2 */ m3lo, /* map3_lo */ 0, /* map_owner */ m5 /* map5 */ ); eflags = _housetype_extra_flags[house]; if (eflags&0x18) { assert(IS_TILETYPE(tile + TILE_XY(0,1), MP_CLEAR)); ModifyTile(tile + TILE_XY(0,1), MP_SETTYPE(MP_HOUSE) | MP_MAP2 | MP_MAP3LO | MP_MAP3HI_CLEAR | MP_MAP5 | MP_MAPOWNER, ++house, /* map2 */ m3lo, /* map3_lo */ 0, /* map_owner */ m5 /* map5 */ ); } if (eflags&0x14) { assert(IS_TILETYPE(tile + TILE_XY(1,0), MP_CLEAR)); ModifyTile(tile + TILE_XY(1,0), MP_SETTYPE(MP_HOUSE) | MP_MAP2 | MP_MAP3LO | MP_MAP3HI_CLEAR | MP_MAP5 | MP_MAPOWNER, ++house, /* map2 */ m3lo, /* map3_lo */ 0, /* map_owner */ m5 /* map5 */ ); } if (eflags&0x10) { assert(IS_TILETYPE(tile + TILE_XY(1,1), MP_CLEAR)); ModifyTile(tile + TILE_XY(1,1), MP_SETTYPE(MP_HOUSE) | MP_MAP2 | MP_MAP3LO | MP_MAP3HI_CLEAR | MP_MAP5 | MP_MAPOWNER, ++house, /* map2 */ m3lo, /* map3_lo */ 0, /* map_owner */ m5 /* map5 */ ); } } // ENDING } static bool BuildTownHouse(Town *t, uint tile) { int32 r; // make sure it's possible if (!EnsureNoVehicle(tile)) return false; if (GetTileSlope(tile, NULL) & 0x10) return false; r = DoCommandByTile(tile, 0, 0, DC_EXEC | DC_AUTO | DC_NO_WATER, CMD_LANDSCAPE_CLEAR); if (r == CMD_ERROR) return false; DoBuildTownHouse(t, tile); return true; } static void DoClearTownHouseHelper(uint tile) { assert(IS_TILETYPE(tile, MP_HOUSE)); DoClearSquare(tile); DeleteAnimatedTile(tile); } static void ClearTownHouse(Town *t, uint tile) { uint house = _map2[tile]; uint eflags; assert(IS_TILETYPE(tile, MP_HOUSE)); // need to align the tile to point to the upper left corner of the house if (house >= 3) { // house id 0,1,2 MUST be single tile houses, or this code breaks. if (_housetype_extra_flags[house-1] & 0x04) { house--; tile += TILE_XY(-1,0); } else if (_housetype_extra_flags[house-1] & 0x18) { house--; tile += TILE_XY(0,-1); } else if (_housetype_extra_flags[house-2] & 0x10) { house-=2; tile += TILE_XY(-1,0); } else if (_housetype_extra_flags[house-3] & 0x10) { house-=3; tile += TILE_XY(-1,-1); } } // Remove population from the town if the // house is finished. if ((~_map3_lo[tile] & 0xC0) == 0) { ChangePopulation(t, -_housetype_population[house]); } t->num_houses--; // Clear flags for houses that only may exist once/town. if (house == 0x5B || house == 0x53 || house == 0x3C || house == 0x3D || house == 0x03) t->flags12 &= ~2; if (house == 0x14 || house == 0x20) t->flags12 &= ~4; // Do the actual clearing of tiles eflags = _housetype_extra_flags[house]; DoClearTownHouseHelper(tile); if (eflags & 0x14) DoClearTownHouseHelper(tile + TILE_XY(1,0)); if (eflags & 0x18) DoClearTownHouseHelper(tile + TILE_XY(0,1)); if (eflags & 0x10) DoClearTownHouseHelper(tile + TILE_XY(1,1)); } int32 CmdRenameTown(int x, int y, uint32 flags, uint32 p1, uint32 p2) { StringID str; Town *t = DEREF_TOWN(p1); str = AllocateName((byte*)_decode_parameters, 4); if (str == 0) return CMD_ERROR; if (flags & DC_EXEC) { StringID old_str = t->townnametype; t->townnametype = str; DeleteName(old_str); UpdateTownVirtCoord(t); _town_sort_dirty = true; UpdateAllStationVirtCoord(); MarkWholeScreenDirty(); } else { DeleteName(str); } return 0; } // Called from GUI void DeleteTown(Town *t) { Industry *i; uint tile; // Delete town authority window // and remove from list of sorted towns DeleteWindowById(WC_TOWN_VIEW, t->index); _town_sort_dirty = true; // Delete all industries belonging to the town for(i=_industries; i != endof(_industries); i++) { if (i->xy && i->town == t) DeleteIndustry(i); } // Go through all tiles and delete those belonging to the town tile = 0; do { if (IS_TILETYPE(tile, MP_HOUSE)) { if (ClosestTownFromTile(tile, (uint)-1) == t) { DoCommandByTile(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR); } } else if (IS_TILETYPE(tile, MP_TUNNELBRIDGE) || IS_TILETYPE(tile, MP_STREET)) { if (_map_owner[tile] == OWNER_TOWN && ClosestTownFromTile(tile, (uint)-1) == t) { DoCommandByTile(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR); } } } while (++tile != TILES_X * TILES_Y); t->xy = 0; DeleteName(t->townnametype); MarkWholeScreenDirty(); } // Called from GUI void ExpandTown(Town *t) { int amount, n; _generating_world = true; amount = ((int)Random()&3) + 3; t->num_houses += amount; UpdateTownRadius(t); n = amount * 4; do GrowTown(t); while (--n); t->num_houses -= amount; UpdateTownRadius(t); UpdateTownMaxPass(t); _generating_world = false; } const byte _town_action_costs[8] = { 2, 4, 9, 35, 48, 53, 117, 175 }; typedef void TownActionProc(Town *t, int action); static void TownActionAdvertise(Town *t, int action) { static const byte _advertising_amount[3] = {0x40, 0x70, 0xA0}; static const byte _advertising_radius[3] = {10,15,20}; ModifyStationRatingAround(t->xy, _current_player, _advertising_amount[action], _advertising_radius[action]); } static void TownActionRoadRebuild(Town *t, int action) { Player *p; t->road_build_months = 6; SET_DPARAM16(0, t->index); p = DEREF_PLAYER(_current_player); SET_DPARAM16(1, p->name_1); SET_DPARAM32(2, p->name_2); AddNewsItem(STR_2055_TRAFFIC_CHAOS_IN_ROAD_REBUILDING, NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_GENERAL, 0), t->xy, 0); } static bool DoBuildStatueOfCompany(uint tile) { TileInfo ti; byte old; int32 r; FindLandscapeHeightByTile(&ti, tile); if (ti.tileh != 0) return false; if (ti.type != MP_HOUSE && ti.type != MP_CLEAR && ti.type != MP_TREES) return false; old = _current_player; _current_player = OWNER_NONE; r = DoCommandByTile(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR); _current_player = old; if (r == CMD_ERROR) return false; ModifyTile(tile, MP_SETTYPE(MP_UNMOVABLE) | MP_MAPOWNER_CURRENT | MP_MAP5, 2 /* map5 */ ); return true; } static void TownActionBuildStatue(Town *t, int action) { // Layouted as an outward spiral static const TileIndexDiff _statue_tiles[] = { TILE_XY(-1,0), TILE_XY(0,1), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), 0, }; int offs; uint tile = t->xy; const TileIndexDiff *p = _statue_tiles; SETBIT(t->statues, _current_player); do { if (DoBuildStatueOfCompany(tile)) return; offs = *p++; tile = TILE_ADD(tile, offs); } while (offs); } static void TownActionFundBuildings(Town *t, int action) { t->grow_counter = 1; t->flags12 |= 1; t->fund_buildings_months = 3; } static void TownActionBuyRights(Town *t, int action) { t->exclusive_counter = 12; t->exclusivity = _current_player; ModifyStationRatingAround(t->xy, _current_player, 130, 17); } static void TownActionBribe(Town *t, int action) { if (!RandomRange(15)) { GoodsEntry *ge; Station *st; int i, rating; // set as unwanted for 6 months t->unwanted[_current_player] = 6; // set all close by station ratings to 0 FOR_ALL_STATIONS(st) { if (st->town == t && st->owner == _current_player) { for (i=0, ge = st->goods; i != NUM_CARGO; i++, ge++) ge->rating = 0; } } // only show errormessage to the executing player. All errors are handled command.c // but this is special, because it can only 'fail' on a DC_EXEC if (!_networking || (_current_player == _local_player)) ShowErrorMessage(STR_BRIBE_FAILED_2, STR_BRIBE_FAILED, 0, 0); /* decrease by a lot! * ChangeTownRating is only for stuff in demolishing. Bribe failure should * be independent of any cheat settings * ChangeTownRating(c, -1000, -50); */ rating = t->ratings[_current_player]; if (rating > -50) t->ratings[_current_player] = -50; } else { ChangeTownRating(t, 200, 800); } } static TownActionProc * const _town_action_proc[] = { TownActionAdvertise, TownActionAdvertise, TownActionAdvertise, TownActionRoadRebuild, TownActionBuildStatue, TownActionFundBuildings, TownActionBuyRights, TownActionBribe }; // p1 = town // p2 = action int32 CmdDoTownAction(int x, int y, uint32 flags, uint32 p1, uint32 p2) { int32 cost; SET_EXPENSES_TYPE(EXPENSES_OTHER); cost = (_price.build_industry >> 8) * _town_action_costs[p2]; if (flags & DC_EXEC) { _town_action_proc[p2](DEREF_TOWN(p1), p2); InvalidateWindow(WC_TOWN_AUTHORITY, p1); } return cost; } static void UpdateTownGrowRate(Town *t) { int n; Station *st; byte m; Player *p; // Reset player ratings if they're low FOR_ALL_PLAYERS(p) { if (p->is_active && t->ratings[p->index] <= 200) { t->ratings[p->index] += 5; } } n = 0; FOR_ALL_STATIONS(st) { if (GetTileDistAdv(st->xy, t->xy) <= t->radius[0]) { if (st->time_since_load <= 20 || st->time_since_unload <= 20) { n++; if (st->owner < MAX_PLAYERS && t->ratings[st->owner] <= 1000-12) t->ratings[st->owner] += 12; } else { if (st->owner < MAX_PLAYERS && t->ratings[st->owner] >= -1000+15) t->ratings[st->owner] -= 15; } } } t->flags12 &= ~1; if (t->fund_buildings_months != 0) { t->fund_buildings_months--; m = 60; } else if (n == 0) { m = 160; if (!CHANCE16(1, 12)) return; } else { static const byte _grow_count_values[5] = { 210, 150, 110, 80, 50 }; m = _grow_count_values[min(n, 5) - 1]; } if (_opt.landscape == LT_HILLY) { if (GET_TILEHEIGHT(t->xy) >= _opt.snow_line && t->act_food == 0) return; } else if (_opt.landscape == LT_DESERT) { if (GetMapExtraBits(t->xy) == 1 && (t->act_food==0 || t->act_water==0)) return; } t->growth_rate = m; if (m <= t->grow_counter) t->grow_counter = m; t->flags12 |= 1; } static void UpdateTownAmounts(Town *t) { // Using +1 here to prevent overflow and division by zero t->pct_pass_transported = t->new_act_pass * 256 / (t->new_max_pass + 1); t->max_pass = t->new_max_pass; t->new_max_pass = 0; t->act_pass = t->new_act_pass; t->new_act_pass = 0; t->act_food = t->new_act_food; t->new_act_food = 0; t->act_water = t->new_act_water; t->new_act_water = 0; // Using +1 here to prevent overflow and division by zero t->pct_mail_transported = t->new_act_mail * 256 / (t->new_max_mail + 1); t->max_mail = t->new_max_mail; t->new_max_mail = 0; t->act_mail = t->new_act_mail; t->new_act_mail = 0; InvalidateWindow(WC_TOWN_VIEW, t->index); } static void UpdateTownUnwanted(Town *t) { Player *p; FOR_ALL_PLAYERS(p) { if (t->unwanted[p->index] > 0) t->unwanted[p->index]--; } } bool CheckIfAuthorityAllows(uint tile) { Town *t; if (_current_player >= MAX_PLAYERS) return true; t = ClosestTownFromTile(tile, _patches.dist_local_authority); if (t == NULL) return true; if (t->ratings[_current_player] > -200) return true; _error_message = STR_2009_LOCAL_AUTHORITY_REFUSES; SET_DPARAM16(0, t->index); return false; } Town *ClosestTownFromTile(uint tile, uint threshold) { Town *t; uint dist, best = threshold; Town *best_town = NULL; FOR_ALL_TOWNS(t) { if (t->xy != 0) { dist = GetTileDist(tile, t->xy); if (dist < best) { best = dist; best_town = t; } } } return best_town; } void ChangeTownRating(Town *t, int add, int max) { int rating; // if magic_bulldozer cheat is active, town doesn't penaltize for removing stuff if (t == NULL || _current_player >= MAX_PLAYERS || (_cheats.magic_bulldozer.value && add < 0) ) return; SETBIT(t->have_ratings, _current_player); rating = t->ratings[_current_player]; if (add < 0) { if (rating > max) { rating += add; if (rating < max) rating = max; } } else { if (rating < max) { rating += add; if (rating > max) rating = max; } } t->ratings[_current_player] = rating; } /* penalty for removing town-owned stuff */ static const int _default_rating_settings [3][3] = { // ROAD_REMOVE, TUNNELBRIDGE_REMOVE, INDUSTRY_REMOVE { 0, 128, 384}, // Permissive { 48, 192, 480}, // Neutral { 96, 384, 768}, // Hostile }; bool CheckforTownRating(uint tile, uint32 flags, Town *t, byte type) { int modemod; // if magic_bulldozer cheat is active, town doesn't restrict your destructive actions if (t == NULL || _current_player >= MAX_PLAYERS || _cheats.magic_bulldozer.value) return true; /* check if you're allowed to remove the street/bridge/tunnel/industry * owned by a town no removal if rating is lower than ... depends now on * difficulty setting. Minimum town rating selected by difficulty level */ modemod = _default_rating_settings[_opt_mod_ptr->diff.town_council_tolerance][type]; if (t->ratings[_current_player] < 16 + modemod && !(flags & DC_NO_TOWN_RATING)) { SET_DPARAM16(0, t->index); _error_message = STR_2009_LOCAL_AUTHORITY_REFUSES; return false; } return true; } void TownsMonthlyLoop() { Town *t; FOR_ALL_TOWNS(t) if (t->xy != 0) { if (t->road_build_months != 0) t->road_build_months--; if (t->exclusive_counter != 0) if(--t->exclusive_counter==0) t->exclusivity = (byte)-1; UpdateTownGrowRate(t); UpdateTownAmounts(t); UpdateTownUnwanted(t); } } void InitializeTowns() { Subsidy *s; int i; memset(_towns, 0, sizeof(_towns)); for(i=0; i!=lengthof(_towns); i++) _towns[i].index = i; memset(_subsidies, 0, sizeof(_subsidies)); for (s=_subsidies; s != endof(_subsidies); s++) s->cargo_type = 0xFF; _cur_town_ctr = 0; _town_sort_dirty = true; _total_towns = 0; } const TileTypeProcs _tile_type_town_procs = { DrawTile_Town, /* draw_tile_proc */ GetSlopeZ_Town, /* get_slope_z_proc */ ClearTile_Town, /* clear_tile_proc */ GetAcceptedCargo_Town, /* get_accepted_cargo_proc */ GetTileDesc_Town, /* get_tile_desc_proc */ GetTileTrackStatus_Town, /* get_tile_track_status_proc */ ClickTile_Town, /* click_tile_proc */ AnimateTile_Town, /* animate_tile_proc */ TileLoop_Town, /* tile_loop_clear */ ChangeTileOwner_Town, /* change_tile_owner_clear */ NULL, /* get_produced_cargo_proc */ NULL, /* vehicle_enter_tile_proc */ NULL, /* vehicle_leave_tile_proc */ GetSlopeTileh_Town, /* get_slope_tileh_proc */ }; // Save and load of towns. static const byte _town_desc[] = { SLE_VAR(Town,xy, SLE_UINT16), SLE_CONDVAR(Town,population, SLE_FILE_U16 | SLE_VAR_U32, 0, 2), SLE_CONDVAR(Town,population, SLE_UINT32, 3, 255), SLE_VAR(Town,num_houses, SLE_UINT16), SLE_VAR(Town,townnametype,SLE_UINT16), SLE_VAR(Town,townnameparts,SLE_UINT32), SLE_VAR(Town,flags12, SLE_UINT8), SLE_VAR(Town,statues, SLE_UINT8), // sort_index_obsolete was stored here in savegame format 0 - 1 SLE_CONDARR(NullStruct,null,SLE_FILE_U8 | SLE_VAR_NULL, 1, 0, 1), SLE_VAR(Town,have_ratings,SLE_UINT8), SLE_ARR(Town,ratings, SLE_INT16, 8), // failed bribe attempts are stored since savegame format 4 SLE_CONDARR(Town,unwanted, SLE_INT8, 8, 4,255), SLE_VAR(Town,max_pass, SLE_UINT16), SLE_VAR(Town,max_mail, SLE_UINT16), SLE_VAR(Town,new_max_pass,SLE_UINT16), SLE_VAR(Town,new_max_mail,SLE_UINT16), SLE_VAR(Town,act_pass, SLE_UINT16), SLE_VAR(Town,act_mail, SLE_UINT16), SLE_VAR(Town,new_act_pass,SLE_UINT16), SLE_VAR(Town,new_act_mail,SLE_UINT16), SLE_VAR(Town,pct_pass_transported,SLE_UINT8), SLE_VAR(Town,pct_mail_transported,SLE_UINT8), SLE_VAR(Town,act_food, SLE_UINT16), SLE_VAR(Town,act_water, SLE_UINT16), SLE_VAR(Town,new_act_food,SLE_UINT16), SLE_VAR(Town,new_act_water,SLE_UINT16), SLE_VAR(Town,time_until_rebuild, SLE_UINT8), SLE_VAR(Town,grow_counter, SLE_UINT8), SLE_VAR(Town,growth_rate, SLE_UINT8), SLE_VAR(Town,fund_buildings_months, SLE_UINT8), SLE_VAR(Town,road_build_months, SLE_UINT8), SLE_VAR(Town,exclusivity, SLE_UINT8), SLE_VAR(Town,exclusive_counter, SLE_UINT8), // reserve extra space in savegame here. (currently 30 bytes) SLE_CONDARR(NullStruct,null,SLE_FILE_U8 | SLE_VAR_NULL, 30, 2, 255), SLE_END() }; static void Save_TOWN() { Town *t; FOR_ALL_TOWNS(t) if (t->xy != 0) { SlSetArrayIndex(t->index); SlObject(t, _town_desc); } } static void Load_TOWN() { int index; while ((index = SlIterateArray()) != -1) { Town *t = DEREF_TOWN(index); SlObject(t, _town_desc); _total_towns++; } } void AfterLoadTown() { Town *t; FOR_ALL_TOWNS(t) { if (t->xy != 0) { UpdateTownRadius(t); UpdateTownVirtCoord(t); } } _town_sort_dirty = true; } const ChunkHandler _town_chunk_handlers[] = { { 'CITY', Save_TOWN, Load_TOWN, CH_ARRAY | CH_LAST}, };