sv_dynamic_handicap.qc

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#include "sv_dynamic_handicap.qh"

//======================= Global variables ====================================

int autocvar_g_dynamic_handicap; 
float autocvar_g_dynamic_handicap_scale;
float autocvar_g_dynamic_handicap_exponent;
float autocvar_g_dynamic_handicap_min; 
float autocvar_g_dynamic_handicap_max; 

//====================== Forward declarations =================================

float DynamicHandicap_ClampHandicap(float handicap);

//========================= Free functions ====================================

void DynamicHandicap_UpdateHandicap()
{
    float total_score = 0;
    float totalplayers = 0;
    FOREACH_CLIENT(IS_PLAYER(it),
    {
        total_score += PlayerScore_Get(it, SP_SCORE);
        ++totalplayers;
    });
    float mean_score = total_score / totalplayers;
    FOREACH_CLIENT(true,
    {
        float score = PlayerScore_Get(it, SP_SCORE);
        float handicap = fabs((score - mean_score) *
            autocvar_g_dynamic_handicap_scale);
        handicap = handicap ** autocvar_g_dynamic_handicap_exponent;
        if (score < mean_score)
        {
            handicap = -handicap;
        }
        if (handicap >= 0)
        {
            handicap += 1;
        }
        else
        {
            handicap = 1 / (fabs(handicap) + 1);
        }
        handicap = DynamicHandicap_ClampHandicap(handicap);
        Handicap_SetForcedHandicap(it, handicap);
    });
}

float DynamicHandicap_ClampHandicap(float handicap)
{
    if ((autocvar_g_dynamic_handicap_min >= 0) && (handicap <
        autocvar_g_dynamic_handicap_min))
    {
        handicap = autocvar_g_dynamic_handicap_min;
    }
    if ((autocvar_g_dynamic_handicap_max > 0) && (handicap >
        autocvar_g_dynamic_handicap_max))
    {
        handicap = autocvar_g_dynamic_handicap_max;
    }
    return handicap;
}

//============================= Hooks ========================================

REGISTER_MUTATOR(dynamic_handicap, autocvar_g_dynamic_handicap);

MUTATOR_HOOKFUNCTION(dynamic_handicap, BuildMutatorsString)
{
    M_ARGV(0, string) = strcat(M_ARGV(0, string), ":handicap");
}

MUTATOR_HOOKFUNCTION(dynamic_handicap, BuildMutatorsPrettyString)
{
    M_ARGV(0, string) = strcat(M_ARGV(0, string), ", Dynamic handicap");
}

MUTATOR_HOOKFUNCTION(dynamic_handicap, ClientDisconnect)
{
    DynamicHandicap_UpdateHandicap();
}

MUTATOR_HOOKFUNCTION(dynamic_handicap, PutClientInServer)
{
    DynamicHandicap_UpdateHandicap();
}

MUTATOR_HOOKFUNCTION(dynamic_handicap, MakePlayerObserver)
{
    DynamicHandicap_UpdateHandicap();
}

MUTATOR_HOOKFUNCTION(dynamic_handicap, AddedPlayerScore)
{
    if (M_ARGV(0, entity) != SP_SCORE)
    {
        return;
    }
    DynamicHandicap_UpdateHandicap();
}