// Consumes energy and returns color for new state
// If herbivores or carnivores are not still activated, don't consume energy
public void BeginIteration(Color myColor)
{
me = LifeParametersFromColor(myColor);
// not "living creatures" doesn't have metabolism...
if (me.trophicLevel == SOIL)
{
return;
}
if (this.IsActivated() == false)
{
return;
}
// consumes energy
switch (me.trophicLevel)
{
case PLANT:
me.energyLevel -= ENERGY_CONSUMPTION_PLANTS;
break;
case HERBIVORE:
me.energyLevel -= ENERGY_CONSUMPTION_HERBIVORES;
break;
case CARNIVORE:
me.energyLevel -= ENERGY_CONSUMPTION_CARNIVORES;
break;
}
me.energyLevel = me.energyLevel < 0 ? 0 : me.energyLevel;
// update my color with new energy level
me.myColor = ColorFromLifeParameters(me);
}
// Changes color to reflect energy level at the beginning of simulation
// Plants have ENERGY_LEVEL_AT_BIRTH
// Herbivores and Carnivores have -1. They don't start losing energy until they eat something
// Return White if color is not a valid creature
public static Color SetInitialEnergyLevel(Color c)
{
try
{
lifeParameters myPars = LifeParametersFromColor(c);
switch (myPars.trophicLevel)
{
case SOIL:
break;
case PLANT:
myPars.energyLevel = ENERGY_LEVEL_AT_BIRTH;
break;
case HERBIVORE:
myPars.energyLevel = -1; // non activated
break;
case CARNIVORE:
myPars.energyLevel = -1; // non activated
break;
}
return(ColorFromLifeParameters(myPars));
}
catch (Exception)
{
return(deadCreatureColor);
}
}
// returns offspring color or white if it is not time for reproduction
public static Color IsTimeForReproduction(Color c2)
{
Random r = new Random();
float p = r.Next(1000) / 1000f;
float q = 0f;
lifeParameters pars = new lifeParameters();
pars = LifeParametersFromColor(c2);
pars.energyLevel = ENERGY_LEVEL_AT_BIRTH; // <--- TO BE INCLUDED: mutations
switch (pars.trophicLevel)
{
case PLANT:
q = PLANT_REPRODUCTION_PROBABILITY;
break;
case HERBIVORE:
q = HERBIVORE_REPRODUCTION_PROBABILITY;
break;
case CARNIVORE:
q = CARNIVORE_REPRODUCTION_PROBABILITY;
break;
}
if (p < q)
{
return(ColorFromLifeParameters(pars));
}
else
{
return(deadCreatureColor);
}
}
/// <summary>
/// returns creature's color from parameters
/// </summary>
public static Color GetColor(int trophicLevel, int energyLevel, int attackLevel, int defenseLevel)
{
lifeParameters me = new lifeParameters();
me.trophicLevel = trophicLevel;
me.energyLevel = energyLevel;
me.attackLevel = attackLevel;
me.defenseLevel = defenseLevel;
me.myColor = ColorFromLifeParameters(me);
return(me.myColor);
}
private static Color ColorFromLifeParameters(lifeParameters me)
{
// for SOIL just return original color
if (me.trophicLevel == SOIL)
{
return(me.myColor);
}
// if creature has died, cell becames white (to avoid problems with soil defence) <----- TO BE ADJUSTED
if (me.energyLevel == 0) // -1 means not activated
{
return(deadCreatureColor);
}
// format color depending on thropic level
int e;
if (me.energyLevel == -1) // non activated
{
e = ENERGY_LEVEL_COLOR_NOT_ACTIVATED;
}
else
{
e = (int)Math.Ceiling(ENERGY_LEVEL_COLOR_MIN + me.energyLevel);
}
switch (me.trophicLevel)
{
case PLANT:
return(Color.FromArgb(me.attackLevel, e, me.defenseLevel));
case HERBIVORE:
return(Color.FromArgb(me.defenseLevel, me.attackLevel, e));
case CARNIVORE:
return(Color.FromArgb(e, me.defenseLevel, me.attackLevel));
default:
// something is wrong
throw new IndexOutOfRangeException();
}
}
// Assign lifeParameters values from color
// assume color is of a valid type
// exception if trophicLevel is not valid
private static lifeParameters LifeParametersFromColor(Color col)
{
lifeParameters pars = new lifeParameters();
// backup
pars.myColor = col;
if (col.R == 255 && col.G == 255)
{
pars.trophicLevel = SOIL;
}
// black color is treated as SOIL
else if (col.R == 0 && col.G == 0 && col.R == 0)
{
pars.trophicLevel = SOIL;
}
// a plant
else if (col.R <= ATTACK_LEVEL_MAX && col.G >= ENERGY_LEVEL_COLOR_MIN && col.B <= DEFENSE_LEVEL_MAX)
{
pars.trophicLevel = PLANT;
}
// a herbivore
else if (col.R <= DEFENSE_LEVEL_MAX && col.G <= ATTACK_LEVEL_MAX && col.B >= ENERGY_LEVEL_COLOR_NOT_ACTIVATED)
{
pars.trophicLevel = HERBIVORE;
}
// a carnivore
else if (col.R >= ENERGY_LEVEL_COLOR_NOT_ACTIVATED && col.G <= DEFENSE_LEVEL_MAX && col.B <= ATTACK_LEVEL_MAX)
{
pars.trophicLevel = CARNIVORE;
}
else
{
// something is wrong
throw new IndexOutOfRangeException();
}
switch (pars.trophicLevel)
{
case SOIL:
pars.energyLevel = 0;
pars.attackLevel = 0;
pars.defenseLevel = 128 - col.B / 2;
break;
case PLANT:
pars.energyLevel = col.G - ENERGY_LEVEL_COLOR_MIN;
pars.attackLevel = col.R;
pars.defenseLevel = col.B;
break;
case HERBIVORE:
pars.energyLevel = col.B - ENERGY_LEVEL_COLOR_MIN;
pars.attackLevel = col.G;
pars.defenseLevel = col.R;
break;
case CARNIVORE:
pars.energyLevel = col.R - ENERGY_LEVEL_COLOR_MIN;
pars.attackLevel = col.B;
pars.defenseLevel = col.G;
break;
}
return(pars);
}