#include <sourcemod>
#include <sdktools>

#define MAXLIST 11

#pragma newdecls required
#pragma semicolon 1

static bool ignoreNextDamageDealt[MAXPLAYERS+1] = false;

static const char gModelsItemsList[MAXLIST][] =
{
    "models/weapons/melee/v_katana.mdl",                //0
    "models/weapons/melee/v_fireaxe.mdl",               //1
    "models/weapons/melee/v_machete.mdl",               //2
    "models/weapons/melee/v_crowbar.mdl",               //3
    "models/v_models/v_knife_t.mdl",                    //4
    "models/weapons/melee/v_frying_pan.mdl",            //5
    "models/weapons/melee/v_bat.mdl",                   //6
    "models/weapons/melee/v_cricket_bat.mdl",           //7
    "models/weapons/melee/v_tonfa.mdl",                 //8
    "models/weapons/melee/v_electric_guitar.mdl",       //9
    "models/weapons/melee/v_golfclub.mdl"               //10
};

static const char gGeneralMelee[MAXLIST - 6][] =
{
    "katana",
    "fireaxe",
    "machete",
    "crowbar",
    "knife"
};

static const float gMeleeModifier[MAXLIST - 5] =
{
    1.0,
    1.0,
    0.99,
    0.9,
    0.7,
    0.6
};

public void OnPluginStart()
{
    HookEvent("infected_hurt", iInfectedHurt);
}

public Action iInfectedHurt(Event event, const char[] name, bool dontBroadcast)
{
    char weaponname[56];

    int attacker = GetClientOfUserId(event.GetInt("attacker"));
    int entity = event.GetInt("entityid");

    if (!attacker || !IsValidEntity(entity) || ignoreNextDamageDealt[attacker]) return;

    int dmg_health = GetEventInt(event,"amount");
    int eventhealth = GetEntProp(entity, Prop_Data, "m_iHealth");
    int damagedelta;

    int iCurrentWeapon = GetEntPropEnt(attacker, Prop_Send, "m_hActiveWeapon");

    if(!IsValidEntity(iCurrentWeapon)) return;

    GetEntityClassname(iCurrentWeapon, weaponname, sizeof(weaponname));
    if (strcmp(weaponname, "weapon_melee") == 0)
		GetEntPropString(iCurrentWeapon, Prop_Data, "m_strMapSetScriptName", weaponname, sizeof weaponname);
	else return;


	if(weaponname[0] == 0)
	{
		char ModelName[128], sExplodeString[MAXLIST - 6][36];
		int iNum;
		for(int i; i < MAXLIST; i++)
		{
			if(strcmp(ModelName, gModelsItemsList[i]) == 0)
			{
				iNum = ExplodeString(gModelsItemsList[i], "/", sExplodeString, sizeof sExplodeString, sizeof sExplodeString[]);
				ReplaceString(sExplodeString[iNum - 1], sizeof sExplodeString[], "v_", "");
				if(StrContains(sExplodeString[iNum - 1], "knife") > 0)
					ReplaceString(sExplodeString[iNum - 1], sizeof sExplodeString[], "_t.mdl", "");
				else
					ReplaceString(sExplodeString[iNum - 1], sizeof sExplodeString[], ".mdl", "");
				TrimString(sExplodeString[iNum - 1]);
				Format(weaponname, sizeof weaponname, "%s", sExplodeString[iNum - 1]);
				break;
			}
		}
	}

    damagedelta = RoundToNearest((dmg_health * gMeleeModifier[5]) - dmg_health);

    for(int i; i < 5; i++)
    {
        if(strcmp(weaponname, gGeneralMelee[i]) == 0)
        {
            damagedelta = RoundToNearest((dmg_health * gMeleeModifier[i]) - dmg_health);
            break;
        }
    }

    if(damagedelta > 0)
        applyDamage(damagedelta, entity, attacker);
    else
    {
        int health = eventhealth - damagedelta;

        if (health < 1)
        {
            damagedelta += (health - 1);
            health = 1;
        }
        SetEntProp(entity, Prop_Data, "m_iHealth", health);
        SetEventInt(event, "amount", damagedelta);
    }
}

static void applyDamage(int damage, int victim, int attacker)
{
    Handle dataPack = CreateDataPack();
    WritePackCell(dataPack, damage);
    WritePackCell(dataPack, victim);
    WritePackCell(dataPack, attacker);

    CreateTimer(0.1, timer_stock_applyDamage, dataPack);
    ignoreNextDamageDealt[attacker] = true;
    CreateTimer(0.2, timer_resetStop, attacker);
}

public Action timer_resetStop(Handle timer, any client)
{
    ignoreNextDamageDealt[client] = false;
}

public Action timer_stock_applyDamage(Handle timer, Handle dataPack)
{
    ResetPack(dataPack);
    int damage = ReadPackCell(dataPack);
    int victim = ReadPackCell(dataPack);
    int attacker = ReadPackCell(dataPack);
    CloseHandle(dataPack);

    float victimPos[3]; char strDamage[16], strDamageTarget[16];

    if (victim < 20 && IsClientInGame(victim))
    {
        GetClientEyePosition(victim, victimPos);
    }
    else if (IsValidEntity(victim))
    {
        GetEntityAbsOrigin(victim, victimPos);
    }
    else return;

    IntToString(damage, strDamage, sizeof(strDamage));
    Format(strDamageTarget, sizeof(strDamageTarget), "hurtme%d", victim);

    int entPointHurt = CreateEntityByName("point_hurt");
    if(!entPointHurt) return;

    DispatchKeyValue(victim, "targetname", strDamageTarget);
    DispatchKeyValue(entPointHurt, "DamageTarget", strDamageTarget);
    DispatchKeyValue(entPointHurt, "Damage", strDamage);
    DispatchKeyValue(entPointHurt, "DamageType", "0");
    DispatchSpawn(entPointHurt);

    TeleportEntity(entPointHurt, victimPos, NULL_VECTOR, NULL_VECTOR);
    AcceptEntityInput(entPointHurt, "Hurt", (attacker && attacker < 20 && IsClientInGame(attacker)) ? attacker : -1);

    DispatchKeyValue(entPointHurt, "classname", "point_hurt");
    DispatchKeyValue(victim, "targetname", "null");
    AcceptEntityInput(entPointHurt, "kill");
}

stock void GetEntityAbsOrigin( int entity, float origin[3])
{
    if (entity > 0 && IsValidEntity(entity))
    {
        float mins[3], maxs[3];
        GetEntPropVector(entity,Prop_Send,"m_vecOrigin",origin);
        GetEntPropVector(entity,Prop_Send,"m_vecMins",mins);
        GetEntPropVector(entity,Prop_Send,"m_vecMaxs",maxs);

        origin[0] += (mins[0] + maxs[0]) * 0.5;
        origin[1] += (mins[1] + maxs[1]) * 0.5;
        origin[2] += (mins[2] + maxs[2]) * 0.5;
    }
}