#include <sourcemod>
#include <sdkhooks>
#include <sdktools>
new const String:PLUGIN_VERSION[] = "1.4";
new bool:g_bCheckedEngine = false;
new bool:g_bNeedsFakePrecache = false;
public Plugin:myinfo =
{
name = "Knife Headshot",
author = "Eyal282",
description = "Doubles inflicted damage with knife on a successful headshot",
version = PLUGIN_VERSION,
url = "None."
}
new LastHitGroup[MAXPLAYERS+1][MAXPLAYERS+1]; // First is victim, second is attacker.
new Handle:hcv_Enabled = INVALID_HANDLE;
new Handle:hcv_Multiplier = INVALID_HANDLE;
public OnPluginStart()
{
HookEvent("player_hurt", Event_PlayerHurt, EventHookMode_Pre);
HookEvent("player_death", Event_PlayerDeath, EventHookMode_Pre);
hcv_Enabled = CreateConVar("knife_headshot_enabled", "1", "Determines if to allow knife headshots", FCVAR_NOTIFY);
hcv_Multiplier = CreateConVar("knife_headshot_multiplier", "2.0", "Determines how much to multiply knife headshot damage", FCVAR_NOTIFY);
SetConVarString(CreateConVar("knife_headshot_version", PLUGIN_VERSION, "", FCVAR_NOTIFY), PLUGIN_VERSION);
for(new i=1;i <= MaxClients;i++) // If plugin gets reloaded...
{
if(!IsClientInGame(i))
continue;
SDKHook(i, SDKHook_TraceAttack, Event_TraceAttack);
}
}
public OnMapStart()
{
PrecacheSoundAny("*player/bhit_helmet-1.wav");
PrecacheSoundAny("*player/headshot1.wav");
PrecacheSoundAny("*player/headshot2.wav");
}
public OnClientPutInServer(client)
{
SDKHook(client, SDKHook_TraceAttack, Event_TraceAttack);
}
// https://forums.alliedmods.net/showpost.php?p=2565252&postcount=6
// https://forums.alliedmods.net/showpost.php?p=2565443&postcount=10
// His code is broken so don't use it but I gotta give credit for it :). Also trace to only hit victim is safer than don't hit self.
// The second guy is the fix for the broken code.
public Action:Event_PlayerHurt(Handle:hEvent, const String:Name[], bool:dontBroadcast)
{
if(!GetConVarBool(hcv_Enabled))
return Plugin_Continue;
new attacker = GetClientOfUserId(GetEventInt(hEvent, "attacker"));
if(attacker == 0)
return Plugin_Continue;
new victim = GetClientOfUserId(GetEventInt(hEvent, "userid"));
if(victim == attacker)
return Plugin_Continue;
new String:WeaponName[50];
GetEventString(hEvent, "weapon", WeaponName, sizeof(WeaponName));
if(!IsKnifeClass(WeaponName))
return Plugin_Continue;
new Float:Position[3], Float:Angles[3];
GetClientEyePosition(attacker, Position);
GetClientEyeAngles(attacker, Angles);
TR_TraceRayFilter(Position, Angles, MASK_SHOT, RayType_Infinite, Trace_HitVictimOnly, victim); //Start the trace
new HitGroup = TR_GetHitGroup(); //Get the hit group
SetEventInt(hEvent, "hitgroup", HitGroup); // Would be nice to have Chest and legs instead of just Body.
if(HitGroup == 1)
{
new Float:Origin[3];
GetEntPropVector(victim, Prop_Data, "m_vecOrigin", Origin);
SetEventBool(hEvent, "headshot", true);
if(GetClientHelmet(victim))
{
EmitSoundToAllAny("player/bhit_helmet-1.wav", victim, SNDCHAN_AUTO, 60, _, 1.0, 100, _, Origin, _, _, _);
}
else
{
if(GetRandomBool())
EmitSoundToAllAny("player/headshot1.wav", victim, SNDCHAN_AUTO, 60, _, 1.0, 100, _, Origin, _, _, _);
else
EmitSoundToAllAny("player/headshot2.wav", victim, SNDCHAN_AUTO, 60, _, 1.0, 100, _, Origin, _, _, _);
}
}
LastHitGroup[victim][attacker] = HitGroup;
return Plugin_Continue;
}
public Action:Event_PlayerDeath(Handle:hEvent, const String:Name[], bool:dontBroadcast)
{
if(!GetConVarBool(hcv_Enabled))
return Plugin_Continue;
new attacker = GetClientOfUserId(GetEventInt(hEvent, "attacker"));
if(attacker == 0)
return Plugin_Continue;
new victim = GetClientOfUserId(GetEventInt(hEvent, "userid"));
if(victim == attacker)
return Plugin_Continue;
new String:WeaponName[50];
GetEventString(hEvent, "weapon", WeaponName, sizeof(WeaponName));
if(!IsKnifeClass(WeaponName))
return Plugin_Continue;
if(LastHitGroup[victim][attacker] == 1)
{
new Float:Origin[3];
GetEntPropVector(victim, Prop_Data, "m_vecOrigin", Origin);
SetEventBool(hEvent, "headshot", true);
if(GetRandomBool())
EmitSoundToAllAny("player/headshot1.wav", victim, SNDCHAN_AUTO, 60, _, 1.0, 100, _, Origin, _, _, _);
else
EmitSoundToAllAny("player/headshot2.wav", victim, SNDCHAN_AUTO, 60, _, 1.0, 100, _, Origin, _, _, _);
}
return Plugin_Continue;
}
public Action:Event_TraceAttack(victim, &attacker, &inflictor, &Float:damage, &damagetype, &ammotype, hitbox, hitgroup)
{
if(!GetConVarBool(hcv_Enabled))
return Plugin_Continue;
else if(attacker == victim)
return Plugin_Continue;
if(!IsPlayer(attacker))
return Plugin_Continue;
new Float:Position[3], Float:Angles[3];
GetClientEyePosition(attacker, Position);
GetClientEyeAngles(attacker, Angles);
TR_TraceRayFilter(Position, Angles, MASK_SHOT, RayType_Infinite, Trace_HitVictimOnly, victim); //Start the trace
new HitGroup = TR_GetHitGroup(); //Get the hit group
new bool:headshot = false;
if (HitGroup == 1)
{
headshot = true;
}
new String:Classname[13];
new weapon = GetEntPropEnt(attacker, Prop_Data, "m_hActiveWeapon");
if(weapon == -1)
return Plugin_Continue;
GetEdictClassname(weapon, Classname, sizeof(Classname)); // weapon_knifegg will also be taken into consideration.
if(!IsKnifeClass(Classname))
return Plugin_Continue;
if(headshot)
{
damage *= GetConVarFloat(hcv_Multiplier);
return Plugin_Changed;
}
return Plugin_Continue;
}
public bool:Trace_HitVictimOnly(entity, contentsMask, victim)
{
return entity == victim;
}
stock bool:GetClientHelmet(client)
{
return bool:GetEntProp(client, Prop_Send, "m_bHasHelmet");
}
stock bool:IsPlayer(client)
{
return (client > 0 && client <= MaxClients);
}
stock bool:GetRandomBool()
{
return (GetRandomInt(0, 1) == 1);
}
stock bool:IsKnifeClass(const String:classname[])
{
if(StrContains(classname, "knife") != -1)
return true;
return false;
}
// Emit sound any.
stock EmitSoundToAllAny(const String:sample[],
entity = SOUND_FROM_PLAYER,
channel = SNDCHAN_AUTO,
level = SNDLEVEL_NORMAL,
flags = SND_NOFLAGS,
Float:volume = SNDVOL_NORMAL,
pitch = SNDPITCH_NORMAL,
speakerentity = -1,
const Float:origin[3] = NULL_VECTOR,
const Float:dir[3] = NULL_VECTOR,
bool:updatePos = true,
Float:soundtime = 0.0)
{
new clients[MaxClients];
new total = 0;
for (new i=1; i<=MaxClients; i++)
{
if (IsClientInGame(i))
{
clients[total++] = i;
}
}
if (!total)
{
return;
}
EmitSoundAny(clients, total, sample, entity, channel,
level, flags, volume, pitch, speakerentity,
origin, dir, updatePos, soundtime);
}
stock bool:PrecacheSoundAny( const String:szPath[], bool:preload=false)
{
EmitSoundCheckEngineVersion();
if (g_bNeedsFakePrecache)
{
return FakePrecacheSoundEx(szPath);
}
else
{
return PrecacheSound(szPath, preload);
}
}
stock static EmitSoundCheckEngineVersion()
{
if (g_bCheckedEngine)
{
return;
}
new EngineVersion:engVersion = GetEngineVersion();
if (engVersion == Engine_CSGO || engVersion == Engine_DOTA)
{
g_bNeedsFakePrecache = true;
}
g_bCheckedEngine = true;
}
stock static bool:FakePrecacheSoundEx( const String:szPath[] )
{
decl String:szPathStar[PLATFORM_MAX_PATH];
Format(szPathStar, sizeof(szPathStar), "*%s", szPath);
AddToStringTable( FindStringTable( "soundprecache" ), szPathStar );
return true;
}
stock EmitSoundAny(const clients[],
numClients,
const String:sample[],
entity = SOUND_FROM_PLAYER,
channel = SNDCHAN_AUTO,
level = SNDLEVEL_NORMAL,
flags = SND_NOFLAGS,
Float:volume = SNDVOL_NORMAL,
pitch = SNDPITCH_NORMAL,
speakerentity = -1,
const Float:origin[3] = NULL_VECTOR,
const Float:dir[3] = NULL_VECTOR,
bool:updatePos = true,
Float:soundtime = 0.0)
{
EmitSoundCheckEngineVersion();
decl String:szSound[PLATFORM_MAX_PATH];
if (g_bNeedsFakePrecache)
{
Format(szSound, sizeof(szSound), "*%s", sample);
}
else
{
strcopy(szSound, sizeof(szSound), sample);
}
EmitSound(clients, numClients, szSound, entity, channel, level, flags, volume, pitch, speakerentity, origin, dir, updatePos, soundtime);
}
