sm-zombiereloaded-3/src/zr/weapons/weaponammo.inc

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/*
* ============================================================================
*
* Zombie:Reloaded
*
* File: weaponammo.inc
* Type: Core
* Description: API for all weaponammo-related functions.
*
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* Copyright (C) 2009-2013 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/>.
*
* ============================================================================
*/
/**
* @section Grenade Pack plugin information.
*/
#define GRENADE_PACK_FILENAME "grenadepack.smx"
#define GRENADE_PACK_CVAR_LIMIT "gp_limit"
/**
* @endsection
*/
/**
* @section Defines for ZMarket grenade limits, supporting the Grenade Pack plugin.
*/
#define WEAPONAMMO_HEGRENADE_LIMIT 1
#define WEAPONAMMO_FLASHBANG_LIMIT 2
#define WEAPONAMMO_SMOKEGRENADE_LIMIT 1
/**
* @endsection
*/
/**
* Variable to store if Grenade Pack is loaded and running.
*/
new bool:g_bGrenadePack;
/**
* @section Variables to store ammo offset values.
*/
new g_iToolsClip1;
new g_iToolsClip2;
new g_iToolsAmmo;
/**
* @endsection
*/
/**
* Grenade slots.
*/
enum WeaponAmmoGrenadeType
{
GrenadeType_Invalid = -1, /** Invalid grenade slot. */
GrenadeType_HEGrenade = 11, /** HEGrenade slot */
GrenadeType_Flashbang = 12, /** Flashbang slot. */
GrenadeType_Smokegrenade = 13, /** Smokegrenade slot. */
}
/**
* All plugins have finished loading.
*/
WeaponAmmoOnAllPluginsLoaded()
{
// Check if "Grenade Pack" is loaded
g_bGrenadePack = ZMarketIsGPLoaded();
}
/**
* Find ammo-reserve-specific offsets here.
*/
WeaponAmmoOnOffsetsFound()
{
// If offset "m_iClip1" can't be found, then stop the plugin.
g_iToolsClip1 = FindSendPropInfo("CBaseCombatWeapon", "m_iClip1");
if (g_iToolsClip1 == -1)
{
LogEvent(false, LogType_Fatal, LOG_CORE_EVENTS, LogModule_Weapons, "Offsets", "Offset \"CBaseCombatWeapon::m_iClip1\" was not found.");
}
// If offset "m_iClip2" can't be found, then stop the plugin.
g_iToolsClip2 = FindSendPropInfo("CBaseCombatWeapon", "m_iClip2");
if (g_iToolsClip2 == -1)
{
LogEvent(false, LogType_Fatal, LOG_CORE_EVENTS, LogModule_Weapons, "Offsets", "Offset \"CBaseCombatWeapon::m_iClip2\" was not found.");
}
// If offset "m_iAmmo" can't be found, then stop the plugin.
g_iToolsAmmo = FindSendPropInfo("CBasePlayer", "m_iAmmo");
if (g_iToolsAmmo == -1)
{
LogEvent(false, LogType_Fatal, LOG_CORE_EVENTS, LogModule_Weapons, "Offsets", "Offset \"CBasePlayer::m_iAmmo\" was not found.");
}
}
/**
* Set clip/reserve ammo on a weapon.
*
* @param weapon The weapon index.
* @param clip True sets clip ammo, false sets reserve.
* @param value The amount of ammo to set to.
* @param add (Optional) If true, the value is added to the weapon's current ammo count.
*/
stock WeaponAmmoSetAmmo(weapon, bool:clip, value, bool:add = false)
{
// Set variable to offset we are changing.
new ammooffset = clip ? g_iToolsClip1 : g_iToolsClip2;
// Initialize variable (value is 0)
new ammovalue;
// If we are adding, then update variable with current ammo value.
if (add)
{
ammovalue = WeaponAmmoGetAmmo(weapon, clip);
}
// Return ammo offset value.
SetEntData(weapon, ammooffset, ammovalue + value, _, true);
}
/**
* Get clip/reserve ammo on a weapon.
*
* @param weapon The weapon index.
* @param clip True gets clip ammo, false gets reserve.
*/
stock WeaponAmmoGetAmmo(weapon, bool:clip)
{
// Set variable to offset we are changing.
new ammooffset = clip ? g_iToolsClip1 : g_iToolsClip2;
// Return ammo offset value.
return GetEntData(weapon, ammooffset);
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}
/**
* Set the count of any grenade-type a client has.
*
* @param client The client index.
* @param slot The type of
* @param value The amount of ammo to set to.
* @param add (Optional) If true, the value is added to the grenades' current ammo count.
*/
stock WeaponAmmoSetGrenadeCount(client, WeaponAmmoGrenadeType:type, value, bool:add)
{
// Initialize variable (value is 0)
new ammovalue;
// If we are adding, then update variable with current ammo value.
if (add)
{
ammovalue = WeaponAmmoGetGrenadeCount(client, type);
}
SetEntData(client, g_iToolsAmmo + (_:type * 4), ammovalue + value, _, true);
}
/**
* Get the count of any grenade-type a client has.
*
* @param client The client index.
* @param slot The type of
*/
stock WeaponAmmoGetGrenadeCount(client, WeaponAmmoGrenadeType:type)
{
return GetEntData(client, g_iToolsAmmo + (_:type * 4));
}
/**
* Takes a weapon entity and returns an entry in enum WeaponAmmoGrenadeType.
*
* @param weaponentity The weapon entity to find entry for.
* @return An entry in WeaponAmmoGrenadeType.
*/
stock WeaponAmmoGrenadeType:WeaponAmmoEntityToGrenadeType(const String:weaponentity[])
{
if (StrEqual(weaponentity, "weapon_hegrenade"))
{
return GrenadeType_HEGrenade;
}
else if (StrEqual(weaponentity, "weapon_flashbang"))
{
return GrenadeType_Flashbang;
}
else if (StrEqual(weaponentity, "weapon_smokegrenade"))
{
return GrenadeType_Smokegrenade;
}
return GrenadeType_Invalid;
}
/**
* Returns the max amount of this type of grenades the client is allowed to carry.
*
* @param weaponentity The weapon entity to get the limit for.
* @return The grenade limit, -1 if an unhandled grenade entity was given.
*/
stock WeaponAmmoGetGrenadeLimit(WeaponAmmoGrenadeType:grenadetype)
{
switch(grenadetype)
{
case GrenadeType_HEGrenade:
{
// Attempt to find a cvar provided by an outside plugin.
new Handle:gplimit = FindConVar(GRENADE_PACK_CVAR_LIMIT);
// If Grenade Pack is loaded and the cvar was found, then get the value of the outside cvar, if not return CS:S default.
return (g_bGrenadePack && gplimit != INVALID_HANDLE) ? GetConVarInt(gplimit) : WEAPONAMMO_HEGRENADE_LIMIT;
}
case GrenadeType_Flashbang:
{
return WEAPONAMMO_FLASHBANG_LIMIT;
}
case GrenadeType_Smokegrenade:
{
return WEAPONAMMO_SMOKEGRENADE_LIMIT;
}
}
return -1;
}
/**
* Returns true if plugin "Grenade Pack" is found and running.
*/
stock bool:ZMarketIsGPLoaded()
{
new Handle:hPlugins = GetPluginIterator();
new Handle:hPlugin;
decl String:strPlugin[PLATFORM_MAX_PATH];
while (MorePlugins(hPlugins))
{
// Read the next plugin.
hPlugin = ReadPlugin(hPlugins);
GetPluginFilename(hPlugin, strPlugin, sizeof(strPlugin));
if (!StrEqual(strPlugin, GRENADE_PACK_FILENAME, false))
{
continue;
}
// Plugin was found, now return true only if it is running.
return (GetPluginStatus(hPlugin) == Plugin_Running);
}
// Done iterating, close handle.
CloseHandle(hPlugins);
// Plugin wasn't found.
return false;
}