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/*================================================================================

--------------------------

-*- [ZP] Items Manager -*-

--------------------------

This plugin is part of Zombie Plague Mod and is distributed under the

terms of the GNU General Public License. Check ZP_ReadMe.txt for details.

================================================================================*/

#include <amxmodx>

#include <fakemeta>

#include <amx_settings_api>

#include <zp50_colorchat>

#include <zp50_core_const>

#include <zp50_items_const>

#include <zombieplague>

// Extra Items file

new const ZP_EXTRAITEMS_FILE[] = "zp_extraitems.ini"

// CS Player PData Offsets (win32)

const OFFSET_CSMENUCODE = 205

#define MAXPLAYERS 32

// For item list menu handlers

#define MENU_PAGE_ITEMS g_menu_data[id]

new g_menu_data[MAXPLAYERS+1]

enum _:TOTAL_FORWARDS

{

FW_ITEM_SELECT_PRE = 0,

FW_ITEM_SELECT_POST

}

new g_Forwards[TOTAL_FORWARDS]

new g_ForwardResult

// Items data

new Array:g_ItemRealName

new Array:g_ItemName

new Array:g_ItemCost

new Array:g_ItemIsVip

new g_ItemCount

new g_AdditionalMenuText[32]

public plugin_init()

{

register_plugin("[ZP] Items Manager", ZP_VERSION_STRING, "ZP Dev Team")

register_clcmd("say /items", "clcmd_items")

register_clcmd("say items", "clcmd_items")

register_clcmd("say /vm", "clcmd_vipitems");

register_clcmd("say vm", "clcmd_vipitems");

g_Forwards[FW_ITEM_SELECT_PRE] = CreateMultiForward("zp_fw_items_select_pre", ET_CONTINUE, FP_CELL, FP_CELL, FP_CELL)

g_Forwards[FW_ITEM_SELECT_POST] = CreateMultiForward("zp_fw_items_select_post", ET_IGNORE, FP_CELL, FP_CELL, FP_CELL)

}

public plugin_natives()

{

register_library("zp50_items")

register_native("zp_items_register", "native_items_register")

register_native("zp_items_get_id", "native_items_get_id")

register_native("zp_items_get_name", "native_items_get_name")

register_native("zp_items_get_real_name", "native_items_get_real_name")

register_native("zp_items_get_cost", "native_items_get_cost")

register_native("zp_items_show_menu", "native_items_show_menu")

register_native("zp_items_force_buy", "native_items_force_buy")

register_native("zp_items_menu_text_add", "native_items_menu_text_add")

// Initialize dynamic arrays

g_ItemRealName = ArrayCreate(32, 1)

g_ItemName = ArrayCreate(32, 1)

g_ItemCost = ArrayCreate(1, 1)

g_ItemIsVip = ArrayCreate(1);

}

public native_items_register(plugin_id, num_params)

{

new name[32], cost = get_param(2)

get_string(1, name, charsmax(name))

if (strlen(name) < 1)

{

log_error(AMX_ERR_NATIVE, "[ZP] Can't register item with an empty name")

return ZP_INVALID_ITEM;

}

new index, item_name[32]

for (index = 0; index < g_ItemCount; index++)

{

ArrayGetString(g_ItemRealName, index, item_name, charsmax(item_name))

if (equali(name, item_name))

{

log_error(AMX_ERR_NATIVE, "[ZP] Item already registered (%s)", name)

return ZP_INVALID_ITEM;

}

// Da li je item oznacen kao VIP item

// Posto zelimo da zadrzimo backwards-compatibilty proveravamo i da li je broj

// parametara veci od 2 posto originalni native ima samo 2, a mi dodajemo treci.

// Ako je broj parametara I veci od 2 I treci parametar nije false onda je ovo

// VIP item

// !!get_param(3) - dva puta negiramo da bi "normalizovali" boolean vrednost,

// prateci pravilo: 0 = false, sve sto nije false = true. To znaci da su

// vrednosti 69, 1337 ili bilo koja treca true. "normalizovanjem" dovodimo te

// vrednosti na 1.

// Ovo sam uradio da bih pojednostavio jedan mali deo koda kasnije. Verovatno

// niko nece ubaciti argument bool:1337 u native, ali ovako je najpametnije.

// Ako num_params nije vece/jednako od 3 onda se get_params() nikada i nece

// pozvati i nikada necemo dobiti error u slucaju da imaju sama 2 parametra.

// To je zbog redosleda evaluacije logickih iskaza - u slucaju && to je sa

// leva na desno. Ako iskaz sa leve strane nije true, iskaz sa desne se nece

// ni evaluirati. Ovaj princip se naziva "Short-circuit evaluation".

// > https://en.wikipedia.org/wiki/Short-circuit_evaluation

new isVip = num_params >= 3 && !!get_param(3);

// Load settings from extra items file

new real_name[32]

copy(real_name, charsmax(real_name), name)

ArrayPushString(g_ItemRealName, real_name)

// Name

if (!amx_load_setting_string(ZP_EXTRAITEMS_FILE, real_name, "NAME", name, charsmax(name)))

amx_save_setting_string(ZP_EXTRAITEMS_FILE, real_name, "NAME", name)

ArrayPushString(g_ItemName, name)

// Cost

if (!amx_load_setting_int(ZP_EXTRAITEMS_FILE, real_name, "COST", cost))

amx_save_setting_int(ZP_EXTRAITEMS_FILE, real_name, "COST", cost)

ArrayPushCell(g_ItemCost, cost)

// VIP

// Pratimo konvenciju od ova dva iznad posto zelimo da se podesavanje

// takodje nalazi i u extra items fajlu.

if (!amx_load_setting_int(ZP_EXTRAITEMS_FILE, real_name, "VIP", isVip))

amx_save_setting_int(ZP_EXTRAITEMS_FILE, real_name, "VIP", isVip);

ArrayPushCell(g_ItemIsVip, isVip);

g_ItemCount++

return g_ItemCount - 1;

}

public native_items_get_id(plugin_id, num_params)

{

new real_name[32]

get_string(1, real_name, charsmax(real_name))

// Loop through every item

new index, item_name[32]

for (index = 0; index < g_ItemCount; index++)

{

ArrayGetString(g_ItemRealName, index, item_name, charsmax(item_name))

if (equali(real_name, item_name))

return index;

}

return ZP_INVALID_ITEM;

}

public native_items_get_name(plugin_id, num_params)

{

new item_id = get_param(1)

if (item_id < 0 || item_id >= g_ItemCount)

{

log_error(AMX_ERR_NATIVE, "[ZP] Invalid item id (%d)", item_id)

return false;

}

new name[32]

ArrayGetString(g_ItemName, item_id, name, charsmax(name))

new len = get_param(3)

set_string(2, name, len)

return true;

}

public native_items_get_real_name(plugin_id, num_params)

{

new item_id = get_param(1)

if (item_id < 0 || item_id >= g_ItemCount)

{

log_error(AMX_ERR_NATIVE, "[ZP] Invalid item id (%d)", item_id)

return false;

}

new real_name[32]

ArrayGetString(g_ItemRealName, item_id, real_name, charsmax(real_name))

new len = get_param(3)

set_string(2, real_name, len)

return true;

}

public native_items_get_cost(plugin_id, num_params)

{

new item_id = get_param(1)

if (item_id < 0 || item_id >= g_ItemCount)

{

log_error(AMX_ERR_NATIVE, "[ZP] Invalid item id (%d)", item_id)

return -1;

}

return ArrayGetCell(g_ItemCost, item_id);

}

public native_items_show_menu(plugin_id, num_params)

{

new id = get_param(1)

if (!is_user_connected(id))

{

log_error(AMX_ERR_NATIVE, "[ZP] Invalid Player (%d)", id)

return false;

}

clcmd_items(id)

return true;

}

public native_items_force_buy(plugin_id, num_params)

{

new id = get_param(1)

if (!is_user_connected(id))

{

log_error(AMX_ERR_NATIVE, "[ZP] Invalid Player (%d)", id)

return false;

}

new item_id = get_param(2)

if (item_id < 0 || item_id >= g_ItemCount)

{

log_error(AMX_ERR_NATIVE, "[ZP] Invalid item id (%d)", item_id)

return false;

}

new ignorecost = get_param(3)

buy_item(id, item_id, ignorecost)

return true;

}

public native_items_menu_text_add(plugin_id, num_params)

{

static text[32]

get_string(1, text, charsmax(text))

format(g_AdditionalMenuText, charsmax(g_AdditionalMenuText), "%s%s", g_AdditionalMenuText, text)

}

public client_disconnect(id)

{

// Reset remembered menu pages

MENU_PAGE_ITEMS = 0

}

public clcmd_items(id)

{

// Player dead

if (!is_user_alive(id))

return;

show_items_menu(id)

}

public clcmd_vipitems(id)

{

if(!is_user_alive(id))

return;

if(/* VIP provera, kao !rz_is_user_vip(id) ili nesto drugo */)

return;

// Isto kao iznad, samo sto show_items_menu() dajemo drugi argument koji

// oznacava da je menu za VIP iteme

show_items_menu(id, true);

}

// Items Menu

show_items_menu(id)

// Dodaj parametar koji ima stari "behavior" po defaultu da bi sto manje

// starog koda morali menjati

show_items_menu(id, bool:vip = false)

{

static menu[128], name[32], cost, transkey[64]

new menuid, index, itemdata[2]

// Title

formatex(menu, charsmax(menu), "%L:\r", id, "MENU_EXTRABUY")

menuid = menu_create(menu, "menu_extraitems")

// Item List

for (index = 0; index < g_ItemCount; index++)

{

// Zbog ovog dela smo radili "normalizovanje" booleana gore - u slucaju

// da je VIP podesavanje za predmet bilo sta osim 0 (false) ili 1 (true)

// ovaj kod bi mogao dati pogresne rezultate.

// Logika iza ovoga je jednostavna - ako je show_items_menu() pozvan sa

// vip == true, onda ce se za sve iteme kojima je VIP podesavanje na false

// (ili obratno - vip == false, podesavanje == true) izvrsiti "continue"

// i preskocice se ovaj item u prikazu.

if(ArrayGetCell(g_ItemIsVip, index) != vip)

continue;

// Additional text to display

g_AdditionalMenuText[0] = 0

// Execute item select attempt forward

ExecuteForward(g_Forwards[FW_ITEM_SELECT_PRE], g_ForwardResult, id, index, 0)

// Show item to player?

if (g_ForwardResult >= ZP_ITEM_DONT_SHOW)

continue;

// Add Item Name and Cost

ArrayGetString(g_ItemName, index, name, charsmax(name))

cost = ArrayGetCell(g_ItemCost, index)

// ML support for item name

formatex(transkey, charsmax(transkey), "ITEMNAME %s", name)

if (GetLangTransKey(transkey) != TransKey_Bad) formatex(name, charsmax(name), "%L", id, transkey)

// Item available to player?

if (g_ForwardResult >= ZP_ITEM_NOT_AVAILABLE)

formatex(menu, charsmax(menu), "\d%s [%d AP] %s", name, cost, g_AdditionalMenuText)

else

formatex(menu, charsmax(menu), "%s \r[%d AP] \w%s", name, cost, g_AdditionalMenuText)

itemdata[0] = index

itemdata[1] = 0

menu_additem(menuid, menu, itemdata)

}

// No items to display?

if (menu_items(menuid) <= 0)

{

zp_colored_print(id, "%L", id, "NO_EXTRA_ITEMS")

menu_destroy(menuid)

return;

}

// Back - Next - Exit

formatex(menu, charsmax(menu), "%L", id, "MENU_BACK")

menu_setprop(menuid, MPROP_BACKNAME, menu)

formatex(menu, charsmax(menu), "%L", id, "MENU_NEXT")

menu_setprop(menuid, MPROP_NEXTNAME, menu)

formatex(menu, charsmax(menu), "%L", id, "MENU_EXIT")

menu_setprop(menuid, MPROP_EXITNAME, menu)

// If remembered page is greater than number of pages, clamp down the value

MENU_PAGE_ITEMS = min(MENU_PAGE_ITEMS, menu_pages(menuid)-1)

// Fix for AMXX custom menus

set_pdata_int(id, OFFSET_CSMENUCODE, 0)

menu_display(id, menuid, MENU_PAGE_ITEMS)

}

// Items Menu

public menu_extraitems(id, menuid, item)

{

// Menu was closed

if (item == MENU_EXIT)

{

MENU_PAGE_ITEMS = 0

menu_destroy(menuid)

return PLUGIN_HANDLED;

}

// Remember items menu page

MENU_PAGE_ITEMS = item / 7

// Dead players are not allowed to buy items

if (!is_user_alive(id))

{

menu_destroy(menuid)

return PLUGIN_HANDLED;

}

// Retrieve item id

new itemdata[2], dummy, itemid

menu_item_getinfo(menuid, item, dummy, itemdata, charsmax(itemdata), _, _, dummy)

itemid = itemdata[0]

// Attempt to buy the item

buy_item(id, itemid)

menu_destroy(menuid)

return PLUGIN_HANDLED;

}

// Buy Item

buy_item(id, itemid, ignorecost = 0)

{

// Execute item select attempt forward

ExecuteForward(g_Forwards[FW_ITEM_SELECT_PRE], g_ForwardResult, id, itemid, ignorecost)

// Item available to player?

if (g_ForwardResult >= ZP_ITEM_NOT_AVAILABLE)

return;

// Execute item selected forward

ExecuteForward(g_Forwards[FW_ITEM_SELECT_POST], g_ForwardResult, id, itemid, ignorecost)

}

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/*================================================================================
	
	--------------------------
	-*- [ZP] Items Manager -*-
	--------------------------
	
	This plugin is part of Zombie Plague Mod and is distributed under the
	terms of the GNU General Public License. Check ZP_ReadMe.txt for details.
	
================================================================================*/

#include <amxmodx>
#include <fakemeta>
#include <amx_settings_api>
#include <zp50_colorchat>
#include <zp50_core_const>
#include <zp50_items_const>
#include <zombieplague>

// Extra Items file
new const ZP_EXTRAITEMS_FILE[] = "zp_extraitems.ini"

// CS Player PData Offsets (win32)
const OFFSET_CSMENUCODE = 205

#define MAXPLAYERS 32

// For item list menu handlers
#define MENU_PAGE_ITEMS g_menu_data[id]
new g_menu_data[MAXPLAYERS+1]

enum _:TOTAL_FORWARDS
{
	FW_ITEM_SELECT_PRE = 0,
	FW_ITEM_SELECT_POST
}
new g_Forwards[TOTAL_FORWARDS]
new g_ForwardResult

// Items data
new Array:g_ItemRealName
new Array:g_ItemName
new Array:g_ItemCost
new g_ItemCount
new g_AdditionalMenuText[32]

public plugin_init()
{
	register_plugin("[ZP] Items Manager", ZP_VERSION_STRING, "ZP Dev Team")
	
	register_clcmd("say /items", "clcmd_items")
	register_clcmd("say items", "clcmd_items")
	
	g_Forwards[FW_ITEM_SELECT_PRE] = CreateMultiForward("zp_fw_items_select_pre", ET_CONTINUE, FP_CELL, FP_CELL, FP_CELL)
	g_Forwards[FW_ITEM_SELECT_POST] = CreateMultiForward("zp_fw_items_select_post", ET_IGNORE, FP_CELL, FP_CELL, FP_CELL)
}

public plugin_natives()
{
	register_library("zp50_items")
	register_native("zp_items_register", "native_items_register")
	register_native("zp_items_get_id", "native_items_get_id")
	register_native("zp_items_get_name", "native_items_get_name")
	register_native("zp_items_get_real_name", "native_items_get_real_name")
	register_native("zp_items_get_cost", "native_items_get_cost")
	register_native("zp_items_show_menu", "native_items_show_menu")
	register_native("zp_items_force_buy", "native_items_force_buy")
	register_native("zp_items_menu_text_add", "native_items_menu_text_add")
	
	// Initialize dynamic arrays
	g_ItemRealName = ArrayCreate(32, 1)
	g_ItemName = ArrayCreate(32, 1)
	g_ItemCost = ArrayCreate(1, 1)
}

public native_items_register(plugin_id, num_params)
{
	new name[32], cost = get_param(2)
	get_string(1, name, charsmax(name))
	
	if (strlen(name) < 1)
	{
		log_error(AMX_ERR_NATIVE, "[ZP] Can't register item with an empty name")
		return ZP_INVALID_ITEM;
	}
	
	new index, item_name[32]
	for (index = 0; index < g_ItemCount; index++)
	{
		ArrayGetString(g_ItemRealName, index, item_name, charsmax(item_name))
		if (equali(name, item_name))
		{
			log_error(AMX_ERR_NATIVE, "[ZP] Item already registered (%s)", name)
			return ZP_INVALID_ITEM;
		}
	}
	
	// Load settings from extra items file
	new real_name[32]
	copy(real_name, charsmax(real_name), name)
	ArrayPushString(g_ItemRealName, real_name)
	
	// Name
	if (!amx_load_setting_string(ZP_EXTRAITEMS_FILE, real_name, "NAME", name, charsmax(name)))
		amx_save_setting_string(ZP_EXTRAITEMS_FILE, real_name, "NAME", name)
	ArrayPushString(g_ItemName, name)
	
	// Cost
	if (!amx_load_setting_int(ZP_EXTRAITEMS_FILE, real_name, "COST", cost))
		amx_save_setting_int(ZP_EXTRAITEMS_FILE, real_name, "COST", cost)
	ArrayPushCell(g_ItemCost, cost)
	
	g_ItemCount++
	return g_ItemCount - 1;
}

public native_items_get_id(plugin_id, num_params)
{
	new real_name[32]
	get_string(1, real_name, charsmax(real_name))
	
	// Loop through every item
	new index, item_name[32]
	for (index = 0; index < g_ItemCount; index++)
	{
		ArrayGetString(g_ItemRealName, index, item_name, charsmax(item_name))
		if (equali(real_name, item_name))
			return index;
	}
	
	return ZP_INVALID_ITEM;
}

public native_items_get_name(plugin_id, num_params)
{
	new item_id = get_param(1)
	
	if (item_id < 0 || item_id >= g_ItemCount)
	{
		log_error(AMX_ERR_NATIVE, "[ZP] Invalid item id (%d)", item_id)
		return false;
	}
	
	new name[32]
	ArrayGetString(g_ItemName, item_id, name, charsmax(name))
	
	new len = get_param(3)
	set_string(2, name, len)
	return true;
}

public native_items_get_real_name(plugin_id, num_params)
{
	new item_id = get_param(1)
	
	if (item_id < 0 || item_id >= g_ItemCount)
	{
		log_error(AMX_ERR_NATIVE, "[ZP] Invalid item id (%d)", item_id)
		return false;
	}
	
	new real_name[32]
	ArrayGetString(g_ItemRealName, item_id, real_name, charsmax(real_name))
	
	new len = get_param(3)
	set_string(2, real_name, len)
	return true;
}

public native_items_get_cost(plugin_id, num_params)
{
	new item_id = get_param(1)
	
	if (item_id < 0 || item_id >= g_ItemCount)
	{
		log_error(AMX_ERR_NATIVE, "[ZP] Invalid item id (%d)", item_id)
		return -1;
	}
	
	return ArrayGetCell(g_ItemCost, item_id);
}

public native_items_show_menu(plugin_id, num_params)
{
	new id = get_param(1)
	
	if (!is_user_connected(id))
	{
		log_error(AMX_ERR_NATIVE, "[ZP] Invalid Player (%d)", id)
		return false;
	}
	
	clcmd_items(id)
	return true;
}

public native_items_force_buy(plugin_id, num_params)
{
	new id = get_param(1)
	
	if (!is_user_connected(id))
	{
		log_error(AMX_ERR_NATIVE, "[ZP] Invalid Player (%d)", id)
		return false;
	}
	
	new item_id = get_param(2)
	
	if (item_id < 0 || item_id >= g_ItemCount)
	{
		log_error(AMX_ERR_NATIVE, "[ZP] Invalid item id (%d)", item_id)
		return false;
	}
	
	new ignorecost = get_param(3)
	
	buy_item(id, item_id, ignorecost)
	return true;
}

public native_items_menu_text_add(plugin_id, num_params)
{
	static text[32]
	get_string(1, text, charsmax(text))
	format(g_AdditionalMenuText, charsmax(g_AdditionalMenuText), "%s%s", g_AdditionalMenuText, text)
}

public client_disconnect(id)
{
	// Reset remembered menu pages
	MENU_PAGE_ITEMS = 0
}

public clcmd_items(id)
{
	// Player dead
	if (!is_user_alive(id))
		return;
	
	show_items_menu(id)
}

// Items Menu
show_items_menu(id)
{
	static menu[128], name[32], cost, transkey[64]
	new menuid, index, itemdata[2]
	
	// Title
	formatex(menu, charsmax(menu), "%L:\r", id, "MENU_EXTRABUY")
	menuid = menu_create(menu, "menu_extraitems")
	
	// Item List
	for (index = 0; index < g_ItemCount; index++)
	{
		// Additional text to display
		g_AdditionalMenuText[0] = 0
		
		// Execute item select attempt forward
		ExecuteForward(g_Forwards[FW_ITEM_SELECT_PRE], g_ForwardResult, id, index, 0)
		
		// Show item to player?
		if (g_ForwardResult >= ZP_ITEM_DONT_SHOW)
			continue;
		
		// Add Item Name and Cost
		ArrayGetString(g_ItemName, index, name, charsmax(name))
		cost = ArrayGetCell(g_ItemCost, index)
		
		// ML support for item name
		formatex(transkey, charsmax(transkey), "ITEMNAME %s", name)
		if (GetLangTransKey(transkey) != TransKey_Bad) formatex(name, charsmax(name), "%L", id, transkey)
		
		// Item available to player?
		if (g_ForwardResult >= ZP_ITEM_NOT_AVAILABLE)
			formatex(menu, charsmax(menu), "\d%s [%d AP] %s", name, cost, g_AdditionalMenuText)
		else
			formatex(menu, charsmax(menu), "%s \r[%d AP] \w%s", name, cost, g_AdditionalMenuText)
		
		itemdata[0] = index
		itemdata[1] = 0
		menu_additem(menuid, menu, itemdata)
	}
	
	// No items to display?
	if (menu_items(menuid) <= 0)
	{
		zp_colored_print(id, "%L", id, "NO_EXTRA_ITEMS")
		menu_destroy(menuid)
		return;
	}
	
	// Back - Next - Exit
	formatex(menu, charsmax(menu), "%L", id, "MENU_BACK")
	menu_setprop(menuid, MPROP_BACKNAME, menu)
	formatex(menu, charsmax(menu), "%L", id, "MENU_NEXT")
	menu_setprop(menuid, MPROP_NEXTNAME, menu)
	formatex(menu, charsmax(menu), "%L", id, "MENU_EXIT")
	menu_setprop(menuid, MPROP_EXITNAME, menu)
	
	// If remembered page is greater than number of pages, clamp down the value
	MENU_PAGE_ITEMS = min(MENU_PAGE_ITEMS, menu_pages(menuid)-1)
	
	// Fix for AMXX custom menus
	set_pdata_int(id, OFFSET_CSMENUCODE, 0)
	menu_display(id, menuid, MENU_PAGE_ITEMS)
}

// Items Menu
public menu_extraitems(id, menuid, item)
{
	// Menu was closed
	if (item == MENU_EXIT)
	{
		MENU_PAGE_ITEMS = 0
		menu_destroy(menuid)
		return PLUGIN_HANDLED;
	}
	
	// Remember items menu page
	MENU_PAGE_ITEMS = item / 7
	
	// Dead players are not allowed to buy items
	if (!is_user_alive(id))
	{
		menu_destroy(menuid)
		return PLUGIN_HANDLED;
	}
	
	// Retrieve item id
	new itemdata[2], dummy, itemid
	menu_item_getinfo(menuid, item, dummy, itemdata, charsmax(itemdata), _, _, dummy)
	itemid = itemdata[0]
	
	// Attempt to buy the item
	buy_item(id, itemid)
	menu_destroy(menuid)
	return PLUGIN_HANDLED;
}

// Buy Item
buy_item(id, itemid, ignorecost = 0)
{
	// Execute item select attempt forward
	ExecuteForward(g_Forwards[FW_ITEM_SELECT_PRE], g_ForwardResult, id, itemid, ignorecost)
	
	// Item available to player?
	if (g_ForwardResult >= ZP_ITEM_NOT_AVAILABLE)
	return;

// Execute item selected forward
	ExecuteForward(g_Forwards[FW_ITEM_SELECT_POST], g_ForwardResult, id, itemid, ignorecost)
}

Bearbeitung

Datei öffnen

#include <amxmodx>
#include <fakemeta>
#include <amx_settings_api>
#include <zp50_colorchat>
#include <zp50_core_const>
#include <zp50_items_const>
#include <zombieplague>

// Extra Items file
new const ZP_EXTRAITEMS_FILE[] = "zp_extraitems.ini"

// CS Player PData Offsets (win32)
const OFFSET_CSMENUCODE = 205

#define MAXPLAYERS 32

// For item list menu handlers
#define MENU_PAGE_ITEMS g_menu_data[id]
new g_menu_data[MAXPLAYERS+1]

enum _:TOTAL_FORWARDS
{
	FW_ITEM_SELECT_PRE = 0,
	FW_ITEM_SELECT_POST
}
new g_Forwards[TOTAL_FORWARDS]
new g_ForwardResult

// Items data
new Array:g_ItemRealName
new Array:g_ItemName
new Array:g_ItemCost
new Array:g_ItemIsVip
new g_ItemCount
new g_AdditionalMenuText[32]

public plugin_init()
{
	register_plugin("[ZP] Items Manager", ZP_VERSION_STRING, "ZP Dev Team")
	
	register_clcmd("say /items", "clcmd_items")
	register_clcmd("say items", "clcmd_items")
	register_clcmd("say /vm", "clcmd_vipitems");
	register_clcmd("say vm", "clcmd_vipitems");
	
	g_Forwards[FW_ITEM_SELECT_PRE] = CreateMultiForward("zp_fw_items_select_pre", ET_CONTINUE, FP_CELL, FP_CELL, FP_CELL)
	g_Forwards[FW_ITEM_SELECT_POST] = CreateMultiForward("zp_fw_items_select_post", ET_IGNORE, FP_CELL, FP_CELL, FP_CELL)
}

// Da li je item oznacen kao VIP item
	// Posto zelimo da zadrzimo backwards-compatibilty proveravamo i da li je broj
	// parametara veci od 2 posto originalni native ima samo 2, a mi dodajemo treci.
	// Ako je broj parametara I veci od 2 I treci parametar nije false onda je ovo
	// VIP item
	//
	// !!get_param(3) - dva puta negiramo da bi "normalizovali" boolean vrednost,
	// prateci pravilo: 0 = false, sve sto nije false = true. To znaci da su
	// vrednosti 69, 1337 ili bilo koja treca true. "normalizovanjem" dovodimo te
	// vrednosti na 1.
	// Ovo sam uradio da bih pojednostavio jedan mali deo koda kasnije. Verovatno
	// niko nece ubaciti argument bool:1337 u native, ali ovako je najpametnije.
	//
	// Ako num_params nije vece/jednako od 3 onda se get_params() nikada i nece
	// pozvati i nikada necemo dobiti error u slucaju da imaju sama 2 parametra.
	// To je zbog redosleda evaluacije logickih iskaza - u slucaju && to je sa
	// leva na desno. Ako iskaz sa leve strane nije true, iskaz sa desne se nece
	// ni evaluirati. Ovaj princip se naziva "Short-circuit evaluation".
	// > https://en.wikipedia.org/wiki/Short-circuit_evaluation
	new isVip = num_params >= 3 && !!get_param(3);
	
	// Load settings from extra items file
	new real_name[32]
	copy(real_name, charsmax(real_name), name)
	ArrayPushString(g_ItemRealName, real_name)
	
	// Name
	if (!amx_load_setting_string(ZP_EXTRAITEMS_FILE, real_name, "NAME", name, charsmax(name)))
		amx_save_setting_string(ZP_EXTRAITEMS_FILE, real_name, "NAME", name)
	ArrayPushString(g_ItemName, name)
	
	// Cost
	if (!amx_load_setting_int(ZP_EXTRAITEMS_FILE, real_name, "COST", cost))
		amx_save_setting_int(ZP_EXTRAITEMS_FILE, real_name, "COST", cost)
	ArrayPushCell(g_ItemCost, cost)

// VIP
	// Pratimo konvenciju od ova dva iznad posto zelimo da se podesavanje
	// takodje nalazi i u extra items fajlu.
	if (!amx_load_setting_int(ZP_EXTRAITEMS_FILE, real_name, "VIP", isVip))
		amx_save_setting_int(ZP_EXTRAITEMS_FILE, real_name, "VIP", isVip);
	ArrayPushCell(g_ItemIsVip, isVip);
	
	g_ItemCount++
	return g_ItemCount - 1;
}

public client_disconnect(id)
{
	// Reset remembered menu pages
	MENU_PAGE_ITEMS = 0
}

public clcmd_items(id)
{
	// Player dead
	if (!is_user_alive(id))
		return;
	
	show_items_menu(id)
}

public clcmd_vipitems(id)
{
	if(!is_user_alive(id))
		return;
	if(/* VIP provera, kao !rz_is_user_vip(id) ili nesto drugo */)
		return;

// Isto kao iznad, samo sto show_items_menu() dajemo drugi argument koji
	// oznacava da je menu za VIP iteme
	show_items_menu(id, true);
}

// Items Menu
// Dodaj parametar koji ima stari "behavior" po defaultu da bi sto manje
// starog koda morali menjati
show_items_menu(id, bool:vip = false)
{
	static menu[128], name[32], cost, transkey[64]
	new menuid, index, itemdata[2]
	
	// Title
	formatex(menu, charsmax(menu), "%L:\r", id, "MENU_EXTRABUY")
	menuid = menu_create(menu, "menu_extraitems")
	
	// Item List
	for (index = 0; index < g_ItemCount; index++)
	{
		// Zbog ovog dela smo radili "normalizovanje" booleana gore - u slucaju
		// da je VIP podesavanje za predmet bilo sta osim 0 (false) ili 1 (true)
		// ovaj kod bi mogao dati pogresne rezultate.
		//
		// Logika iza ovoga je jednostavna - ako je show_items_menu() pozvan sa
		// vip == true, onda ce se za sve iteme kojima je VIP podesavanje na false
		// (ili obratno - vip == false, podesavanje == true) izvrsiti "continue"
		// i preskocice se ovaj item u prikazu.
		if(ArrayGetCell(g_ItemIsVip, index) != vip)
			continue;

// Additional text to display
		g_AdditionalMenuText[0] = 0
		
		// Execute item select attempt forward
		ExecuteForward(g_Forwards[FW_ITEM_SELECT_PRE], g_ForwardResult, id, index, 0)
		
		// Show item to player?
		if (g_ForwardResult >= ZP_ITEM_DONT_SHOW)
			continue;
		
		// Add Item Name and Cost
		ArrayGetString(g_ItemName, index, name, charsmax(name))
		cost = ArrayGetCell(g_ItemCost, index)
		
		// ML support for item name
		formatex(transkey, charsmax(transkey), "ITEMNAME %s", name)
		if (GetLangTransKey(transkey) != TransKey_Bad) formatex(name, charsmax(name), "%L", id, transkey)
		
		// Item available to player?
		if (g_ForwardResult >= ZP_ITEM_NOT_AVAILABLE)
			formatex(menu, charsmax(menu), "\d%s [%d AP] %s", name, cost, g_AdditionalMenuText)
		else
			formatex(menu, charsmax(menu), "%s \r[%d AP] \w%s", name, cost, g_AdditionalMenuText)
		
		itemdata[0] = index
		itemdata[1] = 0
		menu_additem(menuid, menu, itemdata)
	}
	
	// No items to display?
	if (menu_items(menuid) <= 0)
	{
		zp_colored_print(id, "%L", id, "NO_EXTRA_ITEMS")
		menu_destroy(menuid)
		return;
	}
	
	// Back - Next - Exit
	formatex(menu, charsmax(menu), "%L", id, "MENU_BACK")
	menu_setprop(menuid, MPROP_BACKNAME, menu)
	formatex(menu, charsmax(menu), "%L", id, "MENU_NEXT")
	menu_setprop(menuid, MPROP_NEXTNAME, menu)
	formatex(menu, charsmax(menu), "%L", id, "MENU_EXIT")
	menu_setprop(menuid, MPROP_EXITNAME, menu)
	
	// If remembered page is greater than number of pages, clamp down the value
	MENU_PAGE_ITEMS = min(MENU_PAGE_ITEMS, menu_pages(menuid)-1)
	
	// Fix for AMXX custom menus
	set_pdata_int(id, OFFSET_CSMENUCODE, 0)
	menu_display(id, menuid, MENU_PAGE_ITEMS)
}

// Execute item selected forward
	ExecuteForward(g_Forwards[FW_ITEM_SELECT_POST], g_ForwardResult, id, itemid, ignorecost)
}