背景知识：

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关于此参数的编程知识

csgo中每一个武器都有对应的DefinitionIndex，这个参数可以通过如下函数中的m_iItemDefinitionIndex参数获取到id，然后根据这个id和weaponClass来获取到这个武器对应的class名称（比如weapon_ak47这样的名字）。

所有武器的defindex可以用一个enum来表示，如下：

enum ItemDefinitionIndex
{
	WEAPON_INVALID = -1,
	WEAPON_DEAGLE = 1,
	WEAPON_ELITE,
	WEAPON_FIVESEVEN,
	WEAPON_GLOCK,
	WEAPON_AK47 = 7,
	WEAPON_AUG,
	WEAPON_AWP,
	WEAPON_FAMAS,
	WEAPON_G3SG1,
	WEAPON_GALILAR = 13,
	WEAPON_M249,
	WEAPON_M4A1 = 16,
	WEAPON_MAC10,
	WEAPON_P90 = 19,
	WEAPON_MP5 = 23,
	WEAPON_UMP45,
	WEAPON_XM1014,
	WEAPON_BIZON,
	WEAPON_MAG7,
	WEAPON_NEGEV,
	WEAPON_SAWEDOFF,
	WEAPON_TEC9,
	WEAPON_TASER,
	WEAPON_HKP2000,
	WEAPON_MP7,
	WEAPON_MP9,
	WEAPON_NOVA,
	WEAPON_P250,
	WEAPON_SHIELD,
	WEAPON_SCAR20,
	WEAPON_SG556,
	WEAPON_SSG08,
	WEAPON_KNIFEGG,
	WEAPON_KNIFE,
	WEAPON_FLASHBANG,
	WEAPON_HEGRENADE,
	WEAPON_SMOKEGRENADE,
	WEAPON_MOLOTOV,
	WEAPON_DECOY,
	WEAPON_INCGRENADE,
	WEAPON_C4,
	WEAPON_HEALTHSHOT = 57,
	WEAPON_KNIFE_T = 59,
	WEAPON_M4A1_SILENCER,
	WEAPON_USP_SILENCER,
	WEAPON_CZ75A = 63,
	WEAPON_REVOLVER,
	WEAPON_TAGRENADE = 68,
	WEAPON_FISTS,
	WEAPON_BREACHCHARGE,
	WEAPON_TABLET = 72,
	WEAPON_MELEE = 74,
	WEAPON_AXE,
	WEAPON_HAMMER,
	WEAPON_SPANNER = 78,
	WEAPON_KNIFE_GHOST = 80,
	WEAPON_FIREBOMB,
	WEAPON_DIVERSION,
	WEAPON_FRAG_GRENADE,
	WEAPON_SNOWBALL,
	WEAPON_BUMPMINE,
	WEAPON_BAYONET = 500,
	WEAPON_KNIFE_FLIP = 505,
	WEAPON_KNIFE_GUT,
	WEAPON_KNIFE_KARAMBIT,
	WEAPON_KNIFE_M9_BAYONET,
	WEAPON_KNIFE_TACTICAL,
	WEAPON_KNIFE_FALCHION = 512,
	WEAPON_KNIFE_SURVIVAL_BOWIE = 514,
	WEAPON_KNIFE_BUTTERFLY,
	WEAPON_KNIFE_PUSH,
	WEAPON_KNIFE_URSUS = 519,
	WEAPON_KNIFE_GYPSY_JACKKNIFE,
	WEAPON_KNIFE_STILETTO = 522,
	WEAPON_KNIFE_WIDOWMAKER,
	GLOVE_STUDDED_BLOODHOUND = 5027,
	GLOVE_T_SIDE = 5028,
	GLOVE_CT_SIDE = 5029,
	GLOVE_SPORTY = 5030,
	GLOVE_SLICK = 5031,
	GLOVE_LEATHER_WRAP = 5032,
	GLOVE_MOTORCYCLE = 5033,
	GLOVE_SPECIALIST = 5034,
	GLOVE_HYDRA = 5035
};

得到了这个DefinitionIndex，我们可以来做很多事情，比如我们可以利用SetEntPropEnt函数，来给玩家装备对应的武器。

• One shot one gun 打一枪换把枪插件-插件分享-CSGO插件分享-CSGO资料库 (csgocn.net)

// 来自 https://bbs.csgocn.net/thread-585.htm 
 int weapon_ent = GivePlayerItem(client, all_weapons[Random]); //这里的GivePlayerItem的第二个参数，就是类似weapon_ak47这样的字符串
  // PrintToServer("weapon_ent: %d", weapon_ent);
  SetEntPropEnt(client, Prop_Send, "m_hActiveWeapon", weapon_ent);

结语：

• 这个参数很重要，可以跟皮肤wear/float产生关系，有兴趣可以研究一下weapons.sp的源码，就是参考链接中的第3个链接

参考：

• 防骗冷知识：defIndex是什么【csgo吧】_百度贴吧 (bingj.com)
• Counter Strike Global Offensive:Economy Weapon IDs
• kgns/weapons: CS:GO Custom Weapon Options (Skins, NameTag, StatTrak, Wear/Float, Knives) (github.com)
• One shot one gun 打一枪换把枪插件-插件分享-CSGO插件分享-CSGO资料库 (csgocn.net)
• Weapons - The Essential Counter-Strike: Global Offensive Guide (towson.edu)
• Category:Counter-Strike: Global Offensive Weapons - Valve Developer Community (valvesoftware.com)