Slitherine

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popCount = Region_Population_Count(regionID);
	// The function is exponential but we are not using a power function, too nerdy to explain in the manual?
	if (popCount >= 30)
	{
		coeff = (popCount - 13) * 4 // pop 30: x68 | pop 31: x72 | pop 32: x76
	}
	else if (popCount >= 20)
	{
		coeff = (popCount - 8) * 3 // pop 20: x36 | pop 21: x39 | pop 22: x42 |..| pop 29: x63
	}
	else if (popCount >= 10)
	{
		coeff = (popCount - 2) * 2 // pop 10: x16 | pop 11: x18 | pop 12: x20 |..| pop 19: x34
	}
	else
	{
		coeff = POP_NEED_FOOD_PERPOP; // 15
	}
	result = POP_BASE_NEED_FOOD + (coeff * popCount);

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	// If beyond x time the initial number of inhabitants, penalize heavily
	count = GetNumPopulations(regionID) * 100 ;
	count = DivideAndRound(count, Max(POP_FOOD_POPULOUS_MINVAL, Region_Population_GetInitialInhabitants(regionID)));
	count -= POP_FOOD_POPULOUS_RATIOh;
	coeff = 100;
	while (count >= 0)
	{
		coeff += POP_FOOD_POPULOUS_COEFF;
		count -= 100;
	}
	result = DivideAndRound(result * coeff, 100); 

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// *** P_ ***
// __POPULATION
#define POP_REALNUMBERCOEFF 10000
#define POP_BASE_NEED_FOOD 15
#define POP_NEED_FOOD_PERPOP 15
#define POP_FOOD_USAGE_SLAVE 1
#define POP_FOOD_USAGE_OTHER 2
#define POP_HEALTH_MAX_BONUS 65 // no more than 65% discount in food need from health
#define POP_HEALTH_MAX_PENALTY -300 // no more than -300% penalty in food need from health
#define POP_KEEP_FOOD_PERC 15 // keep 15% of food on growth
#define POP_COEFF_GROWTH_WF 4 // slowdown coeff on pop growth for world faction (also used in infra bld)
#define POP_FOOD_POPULOUS_COEFF 50 // +50% food cost per pop ratio at populous and beyond
#define POP_FOOD_POPULOUS_RATIOh 300 // starting ratio where you get a penalty (in hundredth)
#define POP_FOOD_POPULOUS_MINVAL 3 // Min pop ever considered, preserve some back compatibility