#include sdktools
#include sdkhooks

int tank;
Handle sdkOnStaggered;
Handle distance;
public OnPluginStart()
{
    distance    = CreateConVar("sv_rang_rock_stun", "400.0", "", FCVAR_NONE);
    Handle hGameConf = LoadGameConfigFile("tank_stun_rock");

    StartPrepSDKCall(SDKCall_Player);
    PrepSDKCall_SetFromConf(hGameConf, SDKConf_Signature, "CTerrorPlayer_OnStaggered");
    PrepSDKCall_AddParameter(SDKType_CBaseEntity, SDKPass_Pointer);
    PrepSDKCall_AddParameter(SDKType_Vector, SDKPass_ByRef);
    sdkOnStaggered = EndPrepSDKCall();
    if(sdkOnStaggered == INVALID_HANDLE)
        {
            SetFailState("Unable to find the 'CTerrorPlayer_Fling' signature, check the file version!");
        }
    HookEvent("ability_use", ability_use);
}

public Action ability_use(Event event, const char[] name, bool dontBroadcast)
{
    decl String:s[32];
    GetEventString(event, "ability", s, 32);

    if(StrEqual(s, "ability_throw", true))
    {
        tank = GetClientOfUserId(GetEventInt(event, "userid"));
    }
}

public OnEntityCreated(entity, const String:classname[])
{
    if(StrEqual(classname, "tank_rock", true) && GetEntProp(entity, Prop_Send, "m_iTeamNum")>=0)
    {
        if(IsValidEntity(entity) && IsValidEdict(entity))
        {
            if(GetEntityFlags(tank) & FL_ONFIRE)
            {
                IgniteEntity(entity, 30.0);
            }
        }
    }
}

public OnEntityDestroyed(entity)
{
    if(IsValidEntity(entity) && IsValidEdict(entity))
    {
        decl String:g_classname[20];
        GetEdictClassname(entity, g_classname, 20);
        if(StrEqual(g_classname, "tank_rock", true) && GetEntProp(entity, Prop_Send, "m_iTeamNum")>=0)
        {
            for(int i = 1; i <= MaxClients; ++i)
            {
                if(bIsSurvivor(i))
                {
                    float fDamagerPos[3], fDangerPos[3];
                    GetEntPropVector(entity, Prop_Send, "m_vecOrigin", fDamagerPos);
                    GetEntPropVector(i, Prop_Send, "m_vecOrigin", fDangerPos);
                    float fTargetDistance = GetVectorDistance(fDamagerPos, fDangerPos);
                    if (fTargetDistance > GetConVarFloat(distance)) continue;

                    SDKCall(sdkOnStaggered, i, entity, fDamagerPos);
                }
            }
        }
    }
}

stock bool bIsSurvivor(int client)
{
    return client > 0 && client <= MaxClients && IsClientInGame(client) && GetClientTeam(client) == 2 && !IsClientInKickQueue(client) && IsPlayerAlive(client);
}