sm-zombiereloaded-3/src/zr/damage.inc

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/*
* ============================================================================
*
* Zombie:Reloaded
*
* File: damage.inc
* Type: Core
* Description: Modify damage stuff here.
*
* Copyright (C) 2009 Greyscale, Richard Helgeby
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ============================================================================
*/
/**
* @endsection
*/
/**
* @section Suicide intercept defines.
*/
#define DAMAGE_SUICIDE_MAX_CMDS 5
#define DAMAGE_SUICIDE_MAX_LENGTH 16
/**
* @endsection
*/
/**
* Array to store TraceAttack HookIDs.
*/
new g_iDamageTraceAttackHookID[MAXPLAYERS + 1] = {-1, ...};
/**
* Array to store OnTakeDamage HookIDs.
*/
new g_iDamageOnTakeDamageHookID[MAXPLAYERS + 1] = {-1, ...};
/**
* Array to keep track of normal/mother zombies.
*/
new bool:g_bDamageMotherZombie[MAXPLAYERS + 1];
/**
* Hook commands related to damage here.
*/
DamageOnCommandsHook()
{
// Create command callbacks (intercepts) for listed suicide commands.
decl String:suicidecmds[DAMAGE_SUICIDE_MAX_CMDS * DAMAGE_SUICIDE_MAX_LENGTH];
GetConVarString(g_hCvarsList[CVAR_DAMAGE_SUICIDE_CMDS], suicidecmds, sizeof(suicidecmds));
// Create array to store cmds
new String:arrayCmds[DAMAGE_SUICIDE_MAX_CMDS][DAMAGE_SUICIDE_MAX_LENGTH];
// Explode string into array indexes.
new cmdcount = ExplodeString(suicidecmds, ",", arrayCmds, sizeof(arrayCmds), sizeof(arrayCmds[]));
// x = Array index.
// arrayCmds[x] = suicide command.
for (new x = 0; x <= cmdcount - 1; x++)
{
// Trim whitespace.
TrimString(arrayCmds[x]);
// Prepare intercept for this command.
RegConsoleCmd(arrayCmds[x], DamageSuicideIntercept);
}
}
/**
* Client is joining the server.
*
* @param client The client index.
*/
DamageClientInit(client)
{
// Hook damage callbacks.
g_iDamageTraceAttackHookID[client] = ZRTools_HookTraceAttack(client, DamageTraceAttack);
g_iDamageOnTakeDamageHookID[client] = ZRTools_HookOnTakeDamage(client, DamageOnTakeDamage);
}
/**
* Client is leaving the server.
*
* @param client The client index.
*/
DamageOnClientDisconnect(client)
{
// Unhook damage callbacks, and reset variables.
if (g_iDamageTraceAttackHookID[client] != -1)
{
ZRTools_UnhookTraceAttack(g_iDamageTraceAttackHookID[client]);
g_iDamageTraceAttackHookID[client] = -1;
}
if (g_iDamageOnTakeDamageHookID[client] != -1)
{
ZRTools_UnhookOnTakeDamage(g_iDamageOnTakeDamageHookID[client]);
g_iDamageOnTakeDamageHookID[client] = -1;
}
}
/**
* A client was infected.
*
* @param client The client index.
* @param motherinfect True if the zombie is mother, false if not.
*/
DamageOnClientInfected(client, bool:motherinfect)
{
// Update if client is a mother zombie or not.
g_bDamageMotherZombie[client] = motherinfect;
}
/**
* Hook: TraceAttack
* Called right before the bullet enters a client.
*
* @param client The client index.
* @param inflictor The entity index of the inflictor.
* @param attacker The client index of the attacker.
* @param damage The amount of damage inflicted.
* @param hitbox The hitbox index.
* @param hitgroup The hitgroup index.
* @return Return ZRTools_Handled to stop bullet from hitting client.
* ZRTools_Continue to allow bullet to hit client.
*/
public ZRTools_Action:DamageTraceAttack(client, inflictor, attacker, Float:damage, hitbox, hitgroup)
{
// If attacker isn't valid, then stop.
if (!ZRIsClientValid(attacker))
{
return ZRTools_Continue;
}
// If client is attacking himself, then stop.
if(attacker == client)
{
return ZRTools_Continue;
}
// Get zombie flag for each client.
new bool:clientzombie = InfectIsClientInfected(client);
new bool:attackerzombie = InfectIsClientInfected(attacker);
// If the flags are the same on both clients, then stop.
if (clientzombie == attackerzombie)
{
// If friendly fire is blocked, then allow damage.
new bool:damageblockff = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_BLOCK_FF]);
if (!damageblockff)
{
return ZRTools_Continue;
}
// Stop bullet from hurting client.
return ZRTools_Handled;
}
// Here we know that attacker and client are different teams.
// If client is a human, then allow damage.
if (InfectIsClientHuman(client))
{
// Allow damage.
return ZRTools_Continue;
}
// If damage hitgroups cvar is disabled, then allow damage.
new bool:damagehitgroups = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_HITGROUPS]);
if (!damagehitgroups)
{
// Allow damage.
return ZRTools_Continue;
}
// If damage is disabled for this hitgroup, then stop.
new index = HitgroupToIndex(hitgroup);
// If index can't be found, then allow damage.
if (index == -1)
{
// Allow damage.
return ZRTools_Continue;
}
new bool:candamage = HitgroupsCanDamage(index);
if (!candamage)
{
// Stop bullet from hurting client.
return ZRTools_Handled;
}
// Allow damage.
return ZRTools_Continue;
}
/**
* Hook: OnTakeDamage
* Called right before damage is done.
*
* @param client The client index.
* @param inflictor The entity index of the inflictor.
* @param attacker The client index of the attacker.
* @param damage The amount of damage inflicted.
* @param damagetype The type of damage inflicted.
* @param ammotype The ammo type of the attacker's weapon.
* @return Return ZRTools_Handled to stop the damage to client.
* ZRTools_Continue to allow damage to client.
*/
public ZRTools_Action:DamageOnTakeDamage(client, inflictor, attacker, Float:damage, damagetype, ammotype)
{
// Get classname of the inflictor.
decl String:classname[64];
GetEdictClassname(inflictor, classname, sizeof(classname));
// If entity is a trigger, then allow damage. (Map is damaging client)
if (StrContains(classname, "trigger") > -1)
{
return ZRTools_Continue;
}
new action;
// Forward this hook to another module an return (or not) what it wants.
action = NapalmOnTakeDamage(client, damagetype);
// If the napalm module wants to return here, then return the int casted into the ZRTools_Action type.
if (action > -1)
{
return ZRTools_Action:action;
}
// Client was shot or knifed.
if (damagetype & DMG_CSS_BULLET)
{
// If attacker isn't valid, then allow damage.
if (!ZRIsClientValid(attacker))
{
return ZRTools_Continue;
}
// Get zombie flag for each client.
new bool:clientzombie = InfectIsClientInfected(client);
new bool:attackerzombie = InfectIsClientInfected(attacker);
// If client and attacker are on the same team, then let CS:S handle the rest.
if (clientzombie == attackerzombie)
{
return ZRTools_Continue;
}
// We know that clientzombie is the opposite of attacker zombie.
// If the client is a zombie, then allow damage.
if (clientzombie)
{
return ZRTools_Continue;
}
// Client is about to be infected, re-add HP so they aren't killed by knife.
new health = GetClientHealth(client);
SetEntityHealth(client, health + RoundToNearest(damage));
// Allow damage.
return ZRTools_Continue;
}
// Client was damaged by explosion.
else if (damagetype & DMG_CSS_BLAST)
{
// If blast damage is blocked, then stop.
new bool:damageblockblast = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_BLOCK_BLAST]);
if (!damageblockblast)
{
return ZRTools_Continue;
}
// If attacker isn't valid, then allow damage.
if (!ZRIsClientValid(attacker))
{
return ZRTools_Continue;
}
// If client is a zombie, then allow damage.
if (InfectIsClientInfected(client))
{
return ZRTools_Continue;
}
// Stop damage.
return ZRTools_Handled;
}
// Client was damaged by falling.
else if (damagetype & DMG_CSS_FALL)
{
// If class has "nofalldamage" disabled, then allow damage.
new bool:blockfalldamage = ClassGetNoFallDamage(client);
if (!blockfalldamage)
{
return ZRTools_Continue;
}
// Stop damage.
return ZRTools_Handled;
}
// Allow damage.
return ZRTools_Continue;
}
/**
* Command callback (kill, jointeam, spectate)
* Block command if plugin thinks they are trying to commit suicide.
*
* @param client The client index.
* @param argc The number of arguments in command string.
*/
public Action:DamageSuicideIntercept(client, argc)
{
// If zombie hasn't spawned, then stop.
if (!g_bZombieSpawned)
{
return Plugin_Continue;
}
// If client is invalid, then stop. (Stop console.)
if (!ZRIsClientValid(client))
{
return Plugin_Continue;
}
// If client is dead, then stop.
if (!IsPlayerAlive(client))
{
return Plugin_Continue;
}
// Get cvar values for suicide interception.
new bool:suicidezombie = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_SUICIDE_ZOMBIE]);
new bool:suicidezombiemother = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_SUICIDE_MZOMBIE]);
new bool:suicidehuman = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_SUICIDE_HUMAN]);
// Check if client is a zombie.
if (InfectIsClientInfected(client))
{
// If client is a normal zombie, and suicide intercept is disabled for zombies, then let command go.
if (!g_bDamageMotherZombie[client] && !suicidezombie)
{
return Plugin_Continue;
}
// If client is a mother zombie, and suicide intercept is disabled for mother zombies, then let command go.
if (g_bDamageMotherZombie[client] && !suicidezombiemother)
{
return Plugin_Continue;
}
}
// If client is a human, and suicide intercept is disabled for humans, then let command go.
if (InfectIsClientHuman(client) && !suicidehuman)
{
return Plugin_Continue;
}
// Tell client their command has been intercepted.
TranslationReplyToCommand(client, "Damage suicide intercept");
// Log suicide interception
LogEvent(false, LogType_Normal, LOG_GAME_EVENTS, LogModule_Damage, "Suicide Intercept", "Player \"%L\" attempted suicide.", client);
// Block command.
return Plugin_Handled;
}