File diff r12404:d58b2d050240 → r12405:ba094e765533
src/economy.cpp
Show inline comments
 
@@ -824,25 +824,25 @@ void StartupEconomy()
 
	_economy.fluct = GB(Random(), 0, 8) + 168;
 

	
 
	StartupIndustryDailyChanges(true); // As we are starting a new game, initialize the counter too
 

	
 
}
 

	
 
void ResetEconomy()
 
{
 
	/* Test if resetting the economy is needed. */
 
	bool needed = false;
 

	
 
	for (CargoID c = 0; c < NUM_CARGO; c++) {
 
		const CargoSpec *cs = GetCargo(c);
 
		const CargoSpec *cs = CargoSpec::Get(c);
 
		if (!cs->IsValid()) continue;
 
		if (_cargo_payment_rates[c] == 0) {
 
			needed = true;
 
			break;
 
		}
 
	}
 

	
 
	if (!needed) return;
 

	
 
	/* Remember old unrounded maximum loan value. NewGRF has the ability
 
	 * to change all the other inflation affected base costs. */
 
	Money old_value = _economy.max_loan_unround;
 
@@ -857,25 +857,25 @@ void ResetEconomy()
 
	}
 
}
 

	
 
Money GetPriceByIndex(uint8 index)
 
{
 
	if (index > NUM_PRICES) return 0;
 

	
 
	return ((Money*)&_price)[index];
 
}
 

	
 
Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, CargoID cargo_type)
 
{
 
	const CargoSpec *cs = GetCargo(cargo_type);
 
	const CargoSpec *cs = CargoSpec::Get(cargo_type);
 

	
 
	/* Use callback to calculate cargo profit, if available */
 
	if (HasBit(cs->callback_mask, CBM_CARGO_PROFIT_CALC)) {
 
		uint32 var18 = min(dist, 0xFFFF) | (min(num_pieces, 0xFF) << 16) | (transit_days << 24);
 
		uint16 callback = GetCargoCallback(CBID_CARGO_PROFIT_CALC, 0, var18, cs);
 
		if (callback != CALLBACK_FAILED) {
 
			int result = GB(callback, 0, 14);
 

	
 
			/* Simulate a 15 bit signed value */
 
			if (HasBit(callback, 14)) result = 0x4000 - result;
 

	
 
			/* "The result should be a signed multiplier that gets multiplied
 
@@ -1080,25 +1080,25 @@ static Money DeliverGoods(int num_pieces
 
	SetBit(company->cargo_types, cargo_type);
 

	
 
	const Station *s_to = Station::Get(dest);
 

	
 
	if (source != INVALID_STATION) {
 
		const Station *s_from = Station::Get(source);
 

	
 
		/* Check if a subsidy applies. */
 
		subsidised = CheckSubsidised(s_from, s_to, cargo_type, company->index);
 
	}
 

	
 
	/* Increase town's counter for some special goods types */
 
	const CargoSpec *cs = GetCargo(cargo_type);
 
	const CargoSpec *cs = CargoSpec::Get(cargo_type);
 
	if (cs->town_effect == TE_FOOD) s_to->town->new_act_food += num_pieces;
 
	if (cs->town_effect == TE_WATER) s_to->town->new_act_water += num_pieces;
 

	
 
	/* Give the goods to the industry. */
 
	DeliverGoodsToIndustry(s_to, cargo_type, num_pieces);
 

	
 
	/* Determine profit */
 
	Money profit = GetTransportedGoodsIncome(num_pieces, DistanceManhattan(source_tile, s_to->xy), days_in_transit, cargo_type);
 

	
 
	/* Modify profit if a subsidy is in effect */
 
	if (subsidised) {
 
		switch (_settings_game.difficulty.subsidy_multiplier) {