492 lines
16 KiB
SourcePawn
492 lines
16 KiB
SourcePawn
/*
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* ============================================================================
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*
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* Zombie:Reloaded
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*
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* File: damage.inc
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* Type: Core
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* Description: Modify damage stuff here.
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*
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* Copyright (C) 2009-2013 Greyscale, Richard Helgeby
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* ============================================================================
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*/
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/**
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* @section Suicide intercept defines.
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*/
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#define DAMAGE_SUICIDE_MAX_CMDS 5
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#define DAMAGE_SUICIDE_MAX_LENGTH 16
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/**
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* @endsection
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*/
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/**
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* Array to keep track of normal/mother zombies.
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*/
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new bool:g_bDamageMotherZombie[MAXPLAYERS + 1];
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/**
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* Hook commands related to damage here.
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* Note: This isn't OnCommandsHook because this depends on cvars.
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*/
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new bool:g_bSuicideCmdsHooked = false;
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DamageLoad()
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{
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if (g_bSuicideCmdsHooked)
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{
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return;
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}
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// Create command callbacks (intercepts) for listed suicide commands.
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decl String:suicidecmds[DAMAGE_SUICIDE_MAX_CMDS * DAMAGE_SUICIDE_MAX_LENGTH];
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GetConVarString(g_hCvarsList[CVAR_DAMAGE_SUICIDE_CMDS], suicidecmds, sizeof(suicidecmds));
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// Create array to store cmds
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new String:arrayCmds[DAMAGE_SUICIDE_MAX_CMDS][DAMAGE_SUICIDE_MAX_LENGTH];
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// Explode string into array indexes.
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new cmdcount = ExplodeString(suicidecmds, ",", arrayCmds, sizeof(arrayCmds), sizeof(arrayCmds[]));
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// x = Array index.
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// arrayCmds[x] = suicide command.
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for (new x = 0; x <= cmdcount - 1; x++)
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{
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// Trim whitespace.
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TrimString(arrayCmds[x]);
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// Prepare intercept for this command.
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AddCommandListener(DamageSuicideIntercept, arrayCmds[x]);
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}
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// Important: If ZR can be unloaded some day, make sure to remove the listeners and set this to false.
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g_bSuicideCmdsHooked = true;
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}
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/**
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* Client is joining the server.
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*
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* @param client The client index.
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*/
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DamageClientInit(client)
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{
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// Hook damage callbacks.
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SDKHook(client, SDKHook_TraceAttack, DamageTraceAttack);
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SDKHook(client, SDKHook_OnTakeDamage, DamageOnTakeDamage);
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SDKHook(client, SDKHook_OnTakeDamageAlivePost, DamageOnTakeDamageAlivePost);
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}
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/**
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* Client is leaving the server.
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*
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* @param client The client index.
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*/
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DamageOnClientDisconnect(client)
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{
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SDKUnhook(client, SDKHook_TraceAttack, DamageTraceAttack);
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SDKUnhook(client, SDKHook_OnTakeDamage, DamageOnTakeDamage);
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SDKUnhook(client, SDKHook_OnTakeDamageAlivePost, DamageOnTakeDamageAlivePost);
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}
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/**
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* A client was infected.
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*
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* @param client The client index.
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* @param motherinfect True if the zombie is mother, false if not.
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*/
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DamageOnClientInfected(client, bool:motherinfect)
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{
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// Update if client is a mother zombie or not.
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g_bDamageMotherZombie[client] = motherinfect;
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}
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/**
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* Hook: TraceAttack
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* Called right before the bullet enters a client.
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*
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* @param client The client index.
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* @param attacker The client index of the attacker.
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* @param inflictor The entity index of the inflictor.
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* @param damage The amount of damage inflicted.
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* @param hitbox The hitbox index.
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* @param hitgroup The hitgroup index.
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* @return Return Plugin_Handled to stop bullet from hitting client.
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* Plugin_Continue to allow bullet to hit client.
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*/
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public Action DamageTraceAttack(int client, int &attacker, int &inflictor, float &damage, int &damagetype, int &ammotype, int hitbox, int hitgroup)
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{
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// If attacker isn't valid, then stop.
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if (!ZRIsClientValid(attacker))
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{
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return Plugin_Continue;
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}
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// If client is attacking himself, then stop.
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if(attacker == client)
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{
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return Plugin_Continue;
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}
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// Get zombie flag for each client.
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new bool:clientzombie = InfectIsClientInfected(client);
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new bool:attackerzombie = InfectIsClientInfected(attacker);
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// If the flags are the same on both clients, then stop.
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if (clientzombie == attackerzombie)
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{
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// If friendly fire is blocked, then allow damage.
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new bool:damageblockff = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_BLOCK_FF]);
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if (!damageblockff)
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{
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return Plugin_Continue;
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}
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// Stop bullet from hurting client.
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return Plugin_Handled;
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}
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// Here we know that attacker and client are different teams.
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// Check if immunity module requires damage to be blocked.
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if (ImmunityOnClientTraceAttack(client, attacker, inflictor, damage, damagetype, ammotype, hitgroup))
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{
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// Block damage.
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return Plugin_Handled;
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}
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// If client is a human, then allow damage.
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if (InfectIsClientHuman(client))
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{
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// Allow damage.
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return Plugin_Continue;
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}
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// If damage hitgroups cvar is disabled, then allow damage.
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// TODO: There are two cvars: zr_hitgroups and zr_damage_hitgroups. Maybe
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// just use zr_hitgroups?
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new bool:damagehitgroups = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_HITGROUPS]);
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if (!damagehitgroups)
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{
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// Allow damage.
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return Plugin_Continue;
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}
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// If damage is disabled for this hitgroup, then stop.
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new index = HitgroupToIndex(hitgroup);
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// If index can't be found, then allow damage.
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if (index == -1)
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{
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// Allow damage.
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return Plugin_Continue;
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}
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new bool:candamage = HitgroupsCanDamage(index);
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if (!candamage)
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{
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// Stop bullet from hurting client.
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return Plugin_Handled;
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}
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// Allow damage.
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return Plugin_Continue;
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}
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/**
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* Hook: OnTakeDamage
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* Called right before damage is done.
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*
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* @param client The client index.
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* @param inflictor The entity index of the inflictor.
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* @param attacker The client index of the attacker.
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* @param damage The amount of damage inflicted.
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* @param damagetype The type of damage inflicted.
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* @param ammotype The ammo type of the attacker's weapon.
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* @return Return Plugin_Handled to stop the damage to client.
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* Plugin_Continue to allow damage to client.
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*/
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public Action DamageOnTakeDamage(int client, int &attacker, int &inflictor, float &damage, int &damagetype, int &weapon,
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float damageForce[3], float damagePosition[3], int damagecustom)
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{
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bool custom = view_as<bool>(damagecustom & ZR_KNOCKBACK_CUSTOM);
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if (custom)
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return Plugin_Continue;
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// Get classname of the inflictor.
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decl String:classname[64];
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GetEdictClassname(inflictor, classname, sizeof(classname));
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// Get the attacker weapon name.
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new String:weaponname[64];
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if(attacker >= 1 && attacker <= MAXPLAYERS)
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GetClientWeapon(attacker, weaponname, sizeof(weaponname));
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// If entity is a trigger, then allow damage. (Map is damaging client)
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if (StrContains(classname, "trigger") > -1)
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{
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return Plugin_Continue;
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}
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// Forward this hook to another module an return (or not) what it wants.
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new Action:action = Action:NapalmOnTakeDamage(client, damagetype);
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// If the napalm module wants to return here, then return the int casted into the action type.
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if (action > Action:-1)
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{
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return action;
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}
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// Client was shot or knifed.
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if (damagetype & DMG_BULLET || damagetype & DMG_NEVERGIB)
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{
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// If attacker isn't valid, then allow damage.
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if (!ZRIsClientValid(attacker))
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{
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return Plugin_Continue;
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}
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// Get zombie flag for each client.
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new bool:clientzombie = InfectIsClientInfected(client);
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new bool:attackerzombie = InfectIsClientInfected(attacker);
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// If client and attacker are on the same team, then let CS:S handle the rest.
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if (clientzombie == attackerzombie)
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{
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return Plugin_Continue;
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}
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// We know that clientzombie is the opposite of attacker zombie.
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// If the client is a zombie, then allow damage.
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if (clientzombie)
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{
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return Plugin_Continue;
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}
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if (!clientzombie && attackerzombie && !(StrEqual(weaponname, "weapon_bayonet") || strncmp(weaponname, "weapon_knife", 12) == 0))
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{
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damage = 1.0;
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return Plugin_Changed;
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}
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// Check if immunity module blocked or modified the damage.
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new Action:immunityAction = ImmunityOnClientDamage(client, attacker, damage);
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if (immunityAction != Plugin_Continue)
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{
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// Damage was blocked or modified.
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return immunityAction;
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}
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// Check if distance between clients is too high. (Anti lagcompensation / longknife)
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new Float:maxDistance = GetConVarFloat(g_hCvarsList[CVAR_INFECT_MAX_DISTANCE]);
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if (maxDistance != 0.0)
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{
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new Float:clientPosition[3];
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new Float:attackerPosition[3];
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GetClientAbsOrigin(client, clientPosition);
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GetClientAbsOrigin(attacker, attackerPosition);
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// ignore z axis
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clientPosition[2] = 0.0;
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attackerPosition[2] = 0.0;
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new Float:distance = GetVectorDistance(clientPosition, attackerPosition);
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// Block infection if distance is higher than allowed.
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if (distance > maxDistance)
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{
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return Plugin_Handled;
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}
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}
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// Client is about to be infected, re-add HP so they aren't killed by
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// knife. But only do this when immunity mode is disabled.
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if (ClassGetImmunityMode(client) == Immunity_None)
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{
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new health = GetClientHealth(client);
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SetEntityHealth(client, health + RoundToNearest(damage));
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// Allow damage.
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return Plugin_Continue;
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}
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}
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// Client was damaged by explosion.
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else if (damagetype & DMG_BLAST)
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{
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// If blast damage is blocked, then stop.
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new bool:damageblockblast = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_BLOCK_BLAST]);
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if (!damageblockblast)
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{
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return Plugin_Continue;
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}
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// If attacker isn't valid, then allow damage.
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if (!ZRIsClientValid(attacker))
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{
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return Plugin_Continue;
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}
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// If client is a zombie, then allow damage.
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if (InfectIsClientInfected(client))
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{
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return Plugin_Continue;
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}
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// Stop damage.
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return Plugin_Handled;
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}
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// Client was damaged by fire.
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else if (damagetype & DMG_BURN)
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{
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// If its not an inferno, then allow damage.
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if (strncmp(classname, "inferno", 7) != 0)
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{
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return Plugin_Continue;
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}
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// If attacker isn't valid, then allow damage.
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if (!ZRIsClientValid(attacker))
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{
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return Plugin_Continue;
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}
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// If client is a zombie, then allow damage.
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if (InfectIsClientInfected(client))
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{
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return Plugin_Continue;
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}
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// Stop damage.
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return Plugin_Handled;
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}
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// Client was damaged by falling.
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else if (damagetype & DMG_FALL)
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{
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// If class has "nofalldamage" disabled, then allow damage.
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new bool:blockfalldamage = ClassGetNoFallDamage(client);
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if (!blockfalldamage)
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{
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return Plugin_Continue;
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}
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// Stop damage.
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return Plugin_Handled;
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}
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// Allow damage.
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return Plugin_Continue;
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}
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/**
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* Command callback (kill, spectate, jointeam, joinclass)
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* Block command if plugin thinks they are trying to commit suicide.
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*
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* @param client The client index.
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* @param argc The number of arguments in command string.
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*/
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public Action:DamageSuicideIntercept(int client, const char[] command, int argc)
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{
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// Get suicide interception settings.
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new bool:suicideAfterInfect = GetConVarBool(g_hCvarsList[CVAR_SUICIDE_AFTER_INFECT]);
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new bool:suicideZombie = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_SUICIDE_ZOMBIE]);
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new bool:suicideZombieMother = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_SUICIDE_MZOMBIE]);
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new bool:suicideHuman = GetConVarBool(g_hCvarsList[CVAR_DAMAGE_SUICIDE_HUMAN]);
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// Check various criterias that will _allow_ the command. If no criterias
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// match, block it.
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// Check general criterias.
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if ((suicideAfterInfect && !InfectHasZombieSpawned()) || // Check if it should block suicides before mother zombie.
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!ZRIsClientValid(client) || // Validate client (to stop console).
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!IsPlayerAlive(client)) // Check if dead.
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{
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// Allow command.
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return Plugin_Continue;
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}
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// Check zombie criterias.
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if (InfectIsClientInfected(client))
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{
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if (g_bDamageMotherZombie[client] && !suicideZombieMother || // Check if suicide is allowed for mother zombies.
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(!g_bDamageMotherZombie[client] && !suicideZombie)) // Check if suicide is allowed for regular zombies.
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{
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// Allow command.
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return Plugin_Continue;
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}
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}
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// Check human criterias.
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// Allow suicide if player is a human and humans can suicide.
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if (InfectIsClientHuman(client) && !suicideHuman)
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{
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// Allow command.
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return Plugin_Continue;
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}
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// Tell client their command has been intercepted, and log.
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TranslationPrintToChat(client, "Damage suicide intercept");
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LogEvent(false, LogType_Normal, LOG_GAME_EVENTS, LogModule_Damage, "Suicide Intercept", "\"%L\" attempted suicide.", client);
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// Block command.
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return Plugin_Handled;
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}
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public void DamageOnTakeDamageAlivePost(int victim, int attacker, int inflictor, float damage, int damagetype, int weapon,
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const float damageForce[3], const float damagePosition[3], int damagecustom)
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{
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// If attacker is invalid, then stop.
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if (!ZRIsClientValid(attacker))
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{
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return;
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}
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bool custom = view_as<bool>(damagecustom & ZR_KNOCKBACK_CUSTOM);
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char weaponname[64];
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if (inflictor == attacker)
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{
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weapon = WeaponsGetActiveWeaponIndex(attacker);
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if (weapon > 0)
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GetEdictClassname(weapon, weaponname, sizeof(weaponname));
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}
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else
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GetEdictClassname(inflictor, weaponname, sizeof(weaponname));
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ReplaceString(weaponname, sizeof(weaponname), "weapon_", "");
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ReplaceString(weaponname, sizeof(weaponname), "_projectile", "");
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int hitgroup = HITGROUP_GENERIC;
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if (!(damagetype & DMG_BLAST) && !custom)
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hitgroup = ToolsGetClientLastHitGroup(victim);
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KnockbackOnClientHurt(victim, attacker, inflictor, weaponname, hitgroup, damage, damagetype, weapon, damagecustom);
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// If attacker is a human and is getting damaged through DamageProxy, then stop.
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// We don't want to get infected if we're being knifed inside of a human item.
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if (custom && InfectIsClientHuman(victim))
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{
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return;
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}
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ClassAlphaUpdate(victim);
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InfectOnClientHurt(victim, attacker, weaponname);
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AccountOnClientHurt(victim, attacker, RoundToFloor(damage));
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SEffectsOnClientHurt(victim);
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NapalmOnClientHurt(victim, attacker, weaponname, RoundToFloor(damage));
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ZHPOnClientHurt(victim);
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}
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