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economy.cpp
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economy.cpp
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// START A3HEADER
//
// This source file is part of the Atlantis PBM game program.
// Copyright (C) 1995-1999 Geoff Dunbar
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program, in the file license.txt. If not, write
// to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
//
// See the Atlantis Project web page for details:
// http://www.prankster.com/project
//
// END A3HEADER
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "game.h"
#include "gamedata.h"
/* TownType */
// Depends on population and town development
int TownInfo::TownType()
{
int prestige = pop * (dev + 220) / 270;
if (prestige < Globals->CITY_POP / 4) return TOWN_VILLAGE;
if (prestige < Globals->CITY_POP * 4 / 5) return TOWN_TOWN;
return TOWN_CITY;
}
int ARegion::Population()
{
if (town) {
return population + town->pop;
} else {
return population;
}
}
// IMPORTANT: wages now represent fractional wages, that
// means the value of the wages variable is 10 times the silver value
int ARegion::Wages()
{
// Calculate new wages
wages = 0;
if (Population() == 0) return 0;
int level = 1;
int last = 0;
int dv = development + RoadDevelopment() + (earthlore + clearskies) * 12;
// Note: earthlore and clearskies represent LEVEL of the spell
// Adjust for TownType
if (town) {
int tsize = town->TownType();
dv += (tsize * tsize + 1);
}
while (dv >= level) {
wages++;
last = level;
level += wages+1;
}
wages *= 10;
if (dv > last)
wages += 10 * (dv - last) / (level - last);
return wages;
}
// Removed the function LakeEffect()!
AString ARegion::WagesForReport()
{
Production *p = products.GetProd(I_SILVER, -1);
if (p) {
return AString("$") + (p->productivity / 10) +
"." + (p->productivity % 10) + " (Max: $" + p->amount + ")";
} else
return AString("$") + 0;
}
void ARegion::SetupPop()
{
TerrainType *typer = &(TerrainDefs[type]);
habitat = typer->pop+1;
if (habitat > 1) habitat *= 5;
if ((habitat < 100) && (typer->similar_type != R_OCEAN)) habitat = 100;
int pop = typer->pop;
int mw = typer->wages;
// fix economy when MAINTENANCE_COST has been adjusted
mw += Globals->MAINTENANCE_COST - 10;
if (mw < 0) mw = 0;
if (pop == 0) {
population = 0;
basepopulation = 0;
wages = 0;
maxwages = 0;
wealth = 0;
return;
}
// Only select race here if it hasn't been set during Race Growth
// in the World Creation process.
if ((race == -1) || (!Globals->GROW_RACES)) {
int noncoastalraces = sizeof(typer->races)/sizeof(int);
int allraces =
noncoastalraces + sizeof(typer->coastal_races)/sizeof(int);
race = -1;
while (race == -1 || (ItemDefs[race].flags & ItemType::DISABLED)) {
int n = getrandom(IsCoastal() ? allraces : noncoastalraces);
if (n > noncoastalraces-1) {
race = typer->coastal_races[n-noncoastalraces-1];
} else
race = typer->races[n];
}
}
habitat = habitat * 2/3 + getrandom(habitat/3);
ManType *mt = FindRace(ItemDefs[race].abr);
if (mt->terrain == typer->similar_type) {
habitat = (habitat * 9)/8;
}
if (!IsNativeRace(race)) {
habitat = (habitat * 4)/5;
}
basepopulation = habitat / 3;
// hmm... somewhere not too far off equilibrium pop
population = habitat * (60 + getrandom(6) + getrandom(6)) / 100;
// Setup development
int level = 1;
development = 1;
int prev = 0;
while (level < mw) {
development++;
prev++;
if (prev > level) {
level++;
prev = 0;
}
}
development += getrandom(25);
maxdevelopment = development;
if (Globals->TOWNS_EXIST) {
int adjacent = 0;
int prob = Globals->TOWN_PROBABILITY;
if (prob < 1) prob = 100;
int townch = (int) 80000 / prob;
if (Globals->TOWNS_NOT_ADJACENT) {
for (int d = 0; d < NDIRS; d++) {
ARegion *newregion = neighbors[d];
if ((newregion) && (newregion->town)) adjacent++;
}
}
if (Globals->LESS_ARCTIC_TOWNS) {
int dnorth = GetPoleDistance(D_NORTH);
int dsouth = GetPoleDistance(D_SOUTH);
if (dnorth < 9)
townch = townch + 25 * (9 - dnorth) *
(9 - dnorth) * Globals->LESS_ARCTIC_TOWNS;
if (dsouth < 9)
townch = townch + 25 * (9 - dsouth) *
(9 - dsouth) * Globals->LESS_ARCTIC_TOWNS;
}
int spread = Globals->TOWN_SPREAD;
if (spread > 100) spread = 100;
int townprob = (TerrainDefs[type].economy * 4 * (100 - spread) +
100 * spread) / 100;
if (adjacent > 0) townprob = townprob * (100 - Globals->TOWNS_NOT_ADJACENT) / 100;
if (getrandom(townch) < townprob) {
AddTown();
}
}
/* Setup basic economy */
maxwages = Wages();
/* taxable region wealth */
wealth = (int) ((float) (Population()
* (Wages() - 10 * Globals->MAINTENANCE_COST) / 50));
if (wealth < 0) wealth = 0;
// wage-relevant population (/10 wages /5 popfactor)
int pp = Population();
// adjustment for rural areas
if (pp < 3000) {
float wpfactor = (float) (120 / (61 - pp / 50));
pp += (int) ((float) ((wpfactor * pp + 3000)/(wpfactor + 1)));
}
int wagelimit = (int) ((float) (pp * (Wages() - 10 * Globals->MAINTENANCE_COST) /50));
if (wagelimit < 0) wagelimit = 0;
Production * w = new Production;
w->itemtype = I_SILVER;
w->amount = wagelimit / Globals->WORK_FRACTION;
w->baseamount = wagelimit / Globals->WORK_FRACTION;
w->skill = -1;
w->productivity = wages;
/* Entertainment - setup or adjust */
int ep = Population();
// adjustment for rural areas
if (ep < 3000) {
int epf = (ep / 10 + 300) / 6;
ep = ep * epf / 100;
}
int maxent = (int) ((float) (ep * ((Wages() - 10 * Globals->MAINTENANCE_COST) + 1) /50));
if (maxent < 0) maxent = 0;
Production * e = new Production;
e->itemtype = I_SILVER;
e->skill = S_ENTERTAINMENT;
e->amount = maxent / Globals->ENTERTAIN_FRACTION;
e->baseamount = maxent / Globals->ENTERTAIN_FRACTION;
// raise entertainment income by productivity factor 10
e->productivity = Globals->ENTERTAIN_INCOME * 10;
// note: wage factor 10, population factor 5 - included as "/ 50"
/* More wealth in safe Starting Cities */
if ((Globals->SAFE_START_CITIES) && (IsStartingCity())) {
int wbonus = (Population() / 5) * Globals->MAINTENANCE_COST;
wealth += wbonus;
w->amount += wbonus / Globals->WORK_FRACTION;
w->baseamount += wbonus / Globals->WORK_FRACTION;
e->amount += wbonus / Globals->ENTERTAIN_FRACTION;
e->baseamount += wbonus / Globals->ENTERTAIN_FRACTION;
}
products.Add(w);
products.Add(e);
float ratio = ItemDefs[race].baseprice / ((float)Globals->BASE_MAN_COST * 10);
// hack: include wage factor of 10 in float assignment above
// Setup Recruiting
Market *m = new Market(M_BUY, race, (int)(Wages()*4*ratio),
Population()/25, 0, 10000, 0, 2000);
markets.Add(m);
if (Globals->LEADERS_EXIST) {
ratio = ItemDefs[I_LEADERS].baseprice / ((float)Globals->BASE_MAN_COST * 10);
// hack: include wage factor of 10 in float assignment above
m = new Market(M_BUY, I_LEADERS, (int)(Wages()*4*ratio),
Population()/125, 0, 10000, 0, 400);
markets.Add(m);
}
}
/* ONE function where the wage and entertainment income
* is set (previously this has been all over the place!) */
void ARegion::SetIncome()
{
/* do nothing in unpopulated regions */
if (basepopulation == 0) return;
maxwages = Wages();
/* taxable region wealth */
wealth = (int) ((float) (Population()
* (Wages() - 10 * Globals->MAINTENANCE_COST) / 50));
if (wealth < 0) wealth = 0;
/* Wages */
// wage-relevant population (/10 wages /5 popfactor)
int pp = Population();
// adjustment for rural areas
if (pp < 3000) {
float wpfactor = (float) (120 / (61 - pp / 50));
pp += (int) ((float) ((wpfactor * pp + 3000)/(wpfactor + 1)));
}
int maxwages = (int) ((float) (pp * (Wages() - 10 * Globals->MAINTENANCE_COST) /50));
if (maxwages < 0) maxwages = 0;
Production * w = products.GetProd(I_SILVER,-1);
// In some cases (ie. after products.DeleteAll() in EditGameRegionTerrain)
// I_SILVER is not in ProductionList
if( !w ) {
w = new Production;
products.Add(w);
}
w->itemtype = I_SILVER;
w->amount = maxwages / Globals->WORK_FRACTION;
w->baseamount = maxwages / Globals->WORK_FRACTION;
w->skill = -1;
w->productivity = wages;
/* Entertainment - setup or adjust */
int ep = Population();
// adjustment for rural areas
if (ep < 3000) {
int epf = (ep / 10 + 300) / 6;
ep = ep * epf / 100;
}
int maxent = (int) ((float) (ep * ((Wages() - 10 * Globals->MAINTENANCE_COST) + 10) /50));
if (maxent < 0) maxent = 0;
Production * e = products.GetProd(I_SILVER,S_ENTERTAINMENT);
// In some cases (ie. after products.DeleteAll() in EditGameRegionTerrain)
// I_SILVER is not in ProductionList
if( !e ) {
e = new Production;
products.Add(e);
}
e->itemtype = I_SILVER;
e->amount = maxent / Globals->ENTERTAIN_FRACTION;
e->baseamount = maxent / Globals->ENTERTAIN_FRACTION;
e->skill = S_ENTERTAINMENT;
// raise entertainment income by productivity factor 10
e->productivity = Globals->ENTERTAIN_INCOME * 10;
// note: wage factor 10, population factor 5 - included as "/ 50"
/* More wealth in safe Starting Cities */
if ((Globals->SAFE_START_CITIES) && (IsStartingCity())) {
int wbonus = (Population() / 5) * Globals->MAINTENANCE_COST;
wealth += wbonus;
w->amount += wbonus / Globals->WORK_FRACTION;
w->baseamount += wbonus / Globals->WORK_FRACTION;
e->amount += wbonus / Globals->ENTERTAIN_FRACTION;
e->baseamount += wbonus / Globals->ENTERTAIN_FRACTION;
}
}
void ARegion::DisbandInRegion(int item, int amt)
{
if (!Globals->DYNAMIC_POPULATION) return;
if (amt > 0) {
if (amt > Population()) {
// exchange region race!
race = item;
population = 0;
if (town) town->pop = 0;
AdjustPop(amt);
} else {
if (race != item) amt = amt * 2 / 3;
AdjustPop(amt);
}
}
}
void ARegion::Recruit(int amt)
{
if (!Globals->DYNAMIC_POPULATION) return;
AdjustPop(-amt);
}
void ARegion::AdjustPop(int adjustment)
{
if (!town) {
population += adjustment;
return;
}
// split between town and rural pop
int tspace = town->hab - town->pop;
int rspace = habitat - population;
// Region with zero room to
if (tspace == 0 && rspace == 0) {
return;
}
town->pop += adjustment * tspace / (tspace + rspace);
if (town->pop < 0) town->pop = 0;
population += adjustment * rspace / (tspace + rspace);
if (population < 0) population = 0;
}
void ARegion::SetupCityMarket()
{
int numtrade = 0;
int cap;
int offset = 0;
int citymax = Globals->CITY_POP;
ManType *locals = FindRace(ItemDefs[race].abr);
if (!locals) locals = FindRace("SELF");
/* compose array of possible supply & demand items */
int supply[NITEMS];
int demand[NITEMS];
/* possible advanced and magic items */
int rare[NITEMS];
int antiques[NITEMS];
int i;
for (i=0; i<NITEMS; i++) {
supply[i] = 0;
demand[i] = 0;
rare[i] = 0;
antiques[i] = 0;
if (ItemDefs[i].flags & ItemType::DISABLED) continue;
if (ItemDefs[i].flags & ItemType::NOMARKET) continue;
if (ItemDefs[i].type & IT_SHIP) continue;
if (ItemDefs[i].type & IT_TRADE) numtrade++;
if (i==I_SILVER) continue;
if ((ItemDefs[i].type & IT_MAN)
|| (ItemDefs[i].type & IT_LEADER)) continue;
int canProduceHere = 0;
// Check if the product can be produced in the region
// Raw goods
if (ItemDefs[i].pInput[0].item == -1) {
for (unsigned int c = 0;
c<(sizeof(TerrainDefs[type].prods)/sizeof(Product));
c++) {
int resource = TerrainDefs[type].prods[c].product;
if (i == resource) {
canProduceHere = 1;
break;
}
}
}
// Non-raw goods
else {
canProduceHere = 1;
for (unsigned int c = 0;
c<(sizeof(ItemDefs[i].pInput)/sizeof(Materials));
c++) {
int match = 0;
int need = ItemDefs[i].pInput[c].item;
for (unsigned int r=0;
r<(sizeof(TerrainDefs[type].prods)/sizeof(Product));
r++) {
if (TerrainDefs[type].prods[r].product == need)
match = 1;
}
if (!match) {
canProduceHere = 0;
break;
}
}
}
int canProduce = 0;
// Check if the locals can produce this item
if (canProduceHere) canProduce = locals->CanProduce(i);
int isUseful = 0;
// Check if the item is useful to the locals
isUseful = locals->CanUse(i);
//Normal Items
if (ItemDefs[ i ].type & IT_NORMAL) {
if (i==I_GRAIN || i==I_LIVESTOCK || i==I_FISH) {
// Add foodstuffs directly to market
int amt = Globals->CITY_MARKET_NORMAL_AMT;
int price;
if (Globals->RANDOM_ECONOMY) {
amt += getrandom(amt);
price = (ItemDefs[i].baseprice * (100 + getrandom(50))) /
100;
} else {
price = ItemDefs[ i ].baseprice;
}
cap = (citymax * 3/4) - 5000;
if (cap < 0) cap = citymax/2;
Market * m = new Market (M_SELL, i, price, amt, population,
population+cap, amt, amt*2);
markets.Add(m);
} else if (i == I_FOOD) {
// Add foodstuffs directly to market
int amt = Globals->CITY_MARKET_NORMAL_AMT;
int price;
if (Globals->RANDOM_ECONOMY) {
amt += getrandom(amt);
price = (ItemDefs[i].baseprice * (120 + getrandom(80))) /
100;
} else {
price = ItemDefs[ i ].baseprice;
}
cap = (citymax * 3/4) - 5000;
if (cap < 0) cap = citymax/2;
Market * m = new Market (M_BUY, i, price, amt, population,
population+2*cap, amt, amt*5);
markets.Add(m);
} else if (ItemDefs[i].pInput[0].item == -1) {
// Basic resource
// Add to supply?
if (canProduce) supply[i] = 4;
// Add to demand?
if (!canProduceHere) {
// Is it a mount?
if (ItemDefs[i].type & IT_MOUNT) {
if (locals->CanProduce(i)) demand[i] = 4;
} else if (isUseful) demand[i] = 4;
}
} else {
// Tool, weapon or armor
if (isUseful) {
// Add to supply?
if (canProduce) supply[i] = 2;
// Add to demand?
if (!canProduceHere) demand[i] = 2;
}
}
} // end Normal Items
// Advanced Items
else if ((Globals->CITY_MARKET_ADVANCED_AMT)
&& (ItemDefs[i].type & IT_ADVANCED)) {
if (isUseful) rare[i] = 4;
if (ItemDefs[i].hitchItem > 0) rare[i] = 2;
}
// Magic Items
else if ((Globals->CITY_MARKET_MAGIC_AMT)
&& (ItemDefs[i].type & IT_MAGIC)) {
if (isUseful) antiques[i] = 4;
else antiques[i] = 1;
if (ItemDefs[i].hitchItem > 0) antiques[i] = 2;
}
}
/* Check for advanced item */
if ((Globals->CITY_MARKET_ADVANCED_AMT) && (getrandom(4) == 1)) {
int ad = 0;
for (int i=0; i<NITEMS; i++) ad += rare[i];
ad = getrandom(ad);
int i;
int sum = 0;
for (i=0; i<NITEMS; i++) {
sum += rare[i];
if (ad < sum) break;
}
if (ad < sum) {
int amt = Globals->CITY_MARKET_ADVANCED_AMT;
int price;
if (Globals->RANDOM_ECONOMY) {
amt += getrandom(amt);
price = (ItemDefs[i].baseprice * (100 + getrandom(50))) / 100;
} else {
price = ItemDefs[ i ].baseprice;
}
cap = (citymax *3/4) - 5000;
if (cap < citymax/2) cap = citymax / 2;
offset = citymax / 8;
if (cap+offset < citymax) {
Market * m = new Market (M_SELL, i, price, amt/6, population+cap+offset,
population+citymax, 0, amt);
markets.Add(m);
}
}
}
/* Check for magic item */
if ((Globals->CITY_MARKET_MAGIC_AMT) && (getrandom(8) == 1)) {
int mg = 0;
for (int i=0; i<NITEMS; i++) mg += antiques[i];
mg = getrandom(mg);
int i;
int sum = 0;
for (i=0; i<NITEMS; i++) {
sum += antiques[i];
if (mg < sum) break;
}
if (mg < sum) {
int amt = Globals->CITY_MARKET_MAGIC_AMT;
int price;
if (Globals->RANDOM_ECONOMY) {
amt += getrandom(amt);
price = (ItemDefs[i].baseprice * (100 + getrandom(50))) /
100;
} else {
price = ItemDefs[ i ].baseprice;
}
cap = (citymax *3/4) - 5000;
if (cap < citymax/2) cap = citymax / 2;
offset = (citymax/20) + ((citymax/5) * 2);
Market * m = new Market (M_SELL, i, price, amt/6, population+cap,
population+citymax, 0, amt);
markets.Add(m);
}
}
/* Add demand (normal) items */
int num = 4;
int sum = 1;
while((num > 0) && (sum > 0)) {
int dm = 0;
for (int i=0; i<NITEMS; i++) dm += demand[i];
dm = getrandom(dm);
int i;
sum = 0;
for (i=0; i<NITEMS; i++) {
sum += demand[i];
if (dm < sum) break;
}
if (dm >= sum) continue;
int amt = Globals->CITY_MARKET_NORMAL_AMT;
amt = demand[i] * amt / 4;
int price;
if (Globals->RANDOM_ECONOMY) {
amt += getrandom(amt);
price = (ItemDefs[i].baseprice *
(100 + getrandom(50))) / 100;
} else {
price = ItemDefs[i].baseprice;
}
cap = (citymax/4);
offset = - (citymax/20) + ((5-num) * citymax * 3/40);
Market * m = new Market (M_SELL, i, price, amt/6,
population+cap+offset, population+citymax, 0, amt);
markets.Add(m);
demand[i] = 0;
num--;
}
/* Add supply (normal) items */
num = 2;
sum = 1;
while((num > 0) && (sum > 0)) {
int su = 0;
for (int i=0; i<NITEMS; i++) su += supply[i];
su = getrandom(su);
int i;
sum = 0;
for (i=0; i<NITEMS; i++) {
sum += supply[i];
if (su < sum) break;
}
if (su >= sum) continue;
int amt = Globals->CITY_MARKET_NORMAL_AMT;
amt = supply[i] * amt / 4;
int price;
if (Globals->RANDOM_ECONOMY) {
amt += getrandom(amt);
price = (ItemDefs[i].baseprice *
(150 + getrandom(50))) / 100;
} else {
price = ItemDefs[ i ].baseprice;
}
cap = (citymax/4);
offset = ((3-num) * citymax * 3 / 40);
if (supply[i] < 4) offset += citymax / 20;
Market * m = new Market (M_BUY, i, price, 0,
population+cap+offset, population+citymax,
0, amt);
markets.Add(m);
supply[i] = 0;
num--;
}
/* Set up the trade items */
int buy1 = getrandom(numtrade);
int buy2 = getrandom(numtrade);
int sell1 = getrandom(numtrade);
int sell2 = getrandom(numtrade);
int tradebuy = 0;
int tradesell = 0;
offset = 0;
cap = 0;
buy1 = getrandom(numtrade);
while (buy1 == buy2) buy2 = getrandom(numtrade);
while (sell1 == buy1 || sell1 == buy2) sell1 = getrandom(numtrade);
while (sell2 == sell1 || sell2 == buy2 || sell2 == buy1)
sell2 = getrandom(numtrade);
for (int i=0; i<NITEMS; i++) {
if (ItemDefs[i].flags & ItemType::DISABLED) continue;
if (ItemDefs[i].flags & ItemType::NOMARKET) continue;
if (ItemDefs[ i ].type & IT_TRADE) {
int addbuy = 0;
int addsell = 0;
if (buy1 == 0 || buy2 == 0) {
addbuy = 1;
}
buy1--;
buy2--;
if (sell1 == 0 || sell2 == 0) {
addsell = 1;
}
sell1--;
sell2--;
if (addbuy) {
int amt = Globals->CITY_MARKET_TRADE_AMT;
int price;
if (Globals->RANDOM_ECONOMY) {
amt += getrandom(amt);
if (Globals->MORE_PROFITABLE_TRADE_GOODS) {
price=(ItemDefs[i].baseprice*(250+getrandom(100)))/100;
} else {
price=(ItemDefs[i].baseprice*(150+getrandom(50)))/100;
}
} else {
price = ItemDefs[ i ].baseprice;
}
cap = (citymax/2);
tradesell++;
offset = - (citymax/20) + tradesell * (tradesell * tradesell * citymax/40);
if (cap + offset < citymax) {
Market * m = new Market (M_SELL, i, price, amt/5, cap+population+offset,
citymax+population, 0, amt);
markets.Add(m);
}
}
if (addsell) {
int amt = Globals->CITY_MARKET_TRADE_AMT;
int price;
if (Globals->RANDOM_ECONOMY) {
amt += getrandom(amt);
if (Globals->MORE_PROFITABLE_TRADE_GOODS) {
price=(ItemDefs[i].baseprice*(100+getrandom(90)))/100;
} else {
price=(ItemDefs[i].baseprice*(100+getrandom(50)))/100;
}
} else {
price = ItemDefs[ i ].baseprice;
}
cap = (citymax/2);
offset = tradebuy++ * (citymax/6);
if (cap+offset < citymax) {
Market * m = new Market (M_BUY, i, price, amt/6, cap+population+offset,
citymax+population, 0, amt);
markets.Add(m);
}
}
}
}
}
void ARegion::SetupProds()
{
Production *p = NULL;
TerrainType *typer = &(TerrainDefs[type]);
if (Globals->FOOD_ITEMS_EXIST) {
if (typer->economy) {
// Foodchoice = 0 or 1 if inland, 0, 1, or 2 if coastal
int foodchoice = getrandom(2 +
(Globals->COASTAL_FISH && IsCoastal()));
switch (foodchoice) {
case 0:
if (!(ItemDefs[I_GRAIN].flags & ItemType::DISABLED))
p = new Production(I_GRAIN, typer->economy);
break;
case 1:
if (!(ItemDefs[I_LIVESTOCK].flags & ItemType::DISABLED))
p = new Production(I_LIVESTOCK, typer->economy);
break;
case 2:
if (!(ItemDefs[I_FISH].flags & ItemType::DISABLED))
p = new Production(I_FISH, typer->economy);
break;
}
products.Add(p);
}
}
for (unsigned int c= 0; c < (sizeof(typer->prods)/sizeof(Product)); c++) {
int item = typer->prods[c].product;
int chance = typer->prods[c].chance;
int amt = typer->prods[c].amount;
if (item != -1) {
if (!(ItemDefs[item].flags & ItemType::DISABLED) &&
(getrandom(100) < chance)) {
p = new Production(item, amt);
products.Add(p);
}
}
}
}
/* Create a town randomly */
void ARegion::AddTown()
{
AString *tname = new AString(AGetNameString(AGetName(1, this)));
int size = DetermineTownSize();
AddTown(size, tname);
}
/* Create a town of any type with given name */
void ARegion::AddTown(AString * tname)
{
int size = DetermineTownSize();
AddTown(size, tname);
}
/* Create a town of given Town Type */
void ARegion::AddTown(int size)
{
AString *tname = new AString(AGetNameString(AGetName(1, this)));
AddTown(size, tname);
}
/* Create a town of specific type with name
* All other town creation functions call this one
* in the last instance. */
void ARegion::AddTown(int size, AString * name)
{
town = new TownInfo;
town->name = name;
SetTownType(size);
SetupCityMarket();
/* remove all lairs */
forlist(&objects) {
Object *obj = (Object *) elem;
if (obj->type == O_DUMMY) continue;
if ((ObjectDefs[obj->type].monster != -1)
&& (!(ObjectDefs[obj->type].flags & ObjectType::CANENTER))) {
obj->units.Empty();
objects.Remove(obj);
}
}
}
// Used at start to set initial town's size
int ARegion::DetermineTownSize()
{
// is it a city?
if (getrandom(300) < Globals->TOWN_DEVELOPMENT) {
return TOWN_CITY;
}
// is it a town?
if (getrandom(220) < Globals->TOWN_DEVELOPMENT + 10) {
return TOWN_TOWN;
}
// ... then it's a village!
return TOWN_VILLAGE;
}
// Set an existing town to a specific town type
void ARegion::SetTownType(int level)
{
if (!town) return;
// set some basics
town->hab = TownHabitat();
town->pop = town->hab * 2 / 3;
town->dev = TownDevelopment();
// Sanity check
if ((level < TOWN_VILLAGE) || (level > TOWN_CITY)) return;
// increment values
int poptown = getrandom((level -1) * (level -1) * Globals->CITY_POP/12) + level * level * Globals->CITY_POP/12;
town->hab += poptown;
town->pop = town->hab * 2 / 3;
development += level * 6 + 2;
town->dev = TownDevelopment();
// now increment until we reach the right size
while(town->TownType() != level) {
// Increase?
if (level > town->TownType()) {
development += getrandom(Globals->TOWN_DEVELOPMENT / 10 + 5);
int poplus = getrandom(Globals->CITY_POP/3) + getrandom(Globals->CITY_POP/3);
// don't overgrow!
while (town->pop + poplus > Globals->CITY_POP) {
poplus = poplus / 2;
}
town->hab += poplus;
town->pop = town->hab * 2 / 3;
town->dev = TownDevelopment();
}
// or decrease...
else {
development -= getrandom(20 - Globals->TOWN_DEVELOPMENT / 10);
int popdecr = getrandom(Globals->CITY_POP/3) + getrandom(Globals->CITY_POP/3);
// don't depopulate
while ((town->pop < popdecr) || (town->hab < popdecr)) {
popdecr = popdecr / 2;
}
town->hab -= popdecr;
town->pop = town->hab * 2 / 3;
town->dev = TownDevelopment();
}
}
maxdevelopment = development;
}
void ARegion::UpdateEditRegion()
{
// redo markets and entertainment/tax income for extra people.
SetIncome();
markets.PostTurn(Population(), Wages());
//Replace man selling
forlist(&markets) {
Market *m = (Market *) elem;
if (ItemDefs[m->item].type & IT_MAN) {
markets.Remove(m);
delete m;
}
}
float ratio = ItemDefs[race].baseprice / (float) (Globals->BASE_MAN_COST * 10);
// hack: include wage factor of 10 in float calculation above
Market *m = new Market(M_BUY, race, (int)(Wages()*4*ratio),
Population()/25, 0, 10000, 0, 2000);
markets.Add(m);
if (Globals->LEADERS_EXIST) {
ratio = ItemDefs[I_LEADERS].baseprice / (float) (Globals->BASE_MAN_COST * 10);
// hack: include wage factor of 10 in float calculation above
m = new Market(M_BUY, I_LEADERS, (int)(Wages()*4*ratio),
Population()/125, 0, 10000, 0, 400);
markets.Add(m);
}
}
void ARegion::SetupEditRegion()
{
// Direct copy of SetupPop() except that it calls AddTown(AString*)
TerrainType *typer = &(TerrainDefs[type]);
habitat = typer->pop+1;
// Population factor: 5 times
if (habitat > 1) habitat *= 5;
if ((habitat < 100) && (typer->similar_type != R_OCEAN)) habitat = 100;
int pop = typer->pop;
int mw = typer->wages;
// fix economy when MAINTENANCE_COST has been adjusted
mw += Globals->MAINTENANCE_COST - 10;
if (mw < 0) mw = 0;
if (pop == 0) {
population = 0;
basepopulation = 0;
wages = 0;
maxwages = 0;
wealth = 0;
return;
}
// Only select race here if it hasn't been set during Race Growth
// in the World Creation process.
if ((race == -1) || (!Globals->GROW_RACES)) {
int noncoastalraces = sizeof(typer->races)/sizeof(int);
int allraces =
noncoastalraces + sizeof(typer->coastal_races)/sizeof(int);
race = -1;
while (race == -1 || (ItemDefs[race].flags & ItemType::DISABLED)) {
int n = getrandom(IsCoastal() ? allraces : noncoastalraces);
if (n > noncoastalraces-1) {
race = typer->coastal_races[n-noncoastalraces-1];
} else
race = typer->races[n];
}
}
habitat = habitat * 2/3 + getrandom(habitat/3);
ManType *mt = FindRace(ItemDefs[race].abr);
if (mt->terrain == typer->similar_type) {
habitat = (habitat * 9)/8;
}
if (!IsNativeRace(race)) {
habitat = (habitat * 4)/5;
}
basepopulation = habitat / 3;
// hmm... somewhere not too far off equilibrium pop
population = habitat * (60 + getrandom(6) + getrandom(6)) / 100;
// Setup development
int level = 1;
development = 1;
int prev = 0;
while (level < mw) {
development++;
prev++;
if (prev > level) {
level++;
prev = 0;
}
}
development += getrandom(25);
maxdevelopment = development;
if (Globals->TOWNS_EXIST) {
int adjacent = 0;
int prob = Globals->TOWN_PROBABILITY;
if (prob < 1) prob = 100;
int townch = (int) 80000 / prob;
if (Globals->TOWNS_NOT_ADJACENT) {
for (int d = 0; d < NDIRS; d++) {
ARegion *newregion = neighbors[d];
if ((newregion) && (newregion->town)) adjacent++;