Add l4d2_extraplayeritems

scripting/l4d2_extraplayeritems.sp

@@ -0,0 +1,150 @@
+#pragma semicolon 1
+#pragma newdecls required
+
+//#define DEBUG
+
+#define PLUGIN_VERSION "1.0"
+
+#include <sourcemod>
+#include <sdktools>
+#include <left4dhooks>
+#include <jutils>
+//#include <sdkhooks>
+
+public Plugin myinfo = 
+{
+	name =  "L4D2 Extra Player Items", 
+	author = "jackzmc", 
+	description = "Automatic system to give extra players kits, and provide extra items.", 
+	version = PLUGIN_VERSION, 
+	url = ""
+};
+
+static ConVar hExtraItemBasePercentage;
+static int extraKitsAmount, totalSurvivorCount, isFailureRound;
+
+/*
+on first start: Everyone has a kit, new comers also get a kit.
+then when you reach the saferoom, extraKitsAmount is set to the amount of players minus 4. Ex: 5 players -> 1 extra kit
+Then on heal at the point, you get an extra kit. After a map transition when a player_spawn is fired, if they do not have a kit; give an extra kit if there is any.
+Any left over kits will be used on heals until depleted. 
+*/
+
+public void OnPluginStart()
+{
+	EngineVersion g_Game = GetEngineVersion();
+	if(g_Game != Engine_Left4Dead && g_Game != Engine_Left4Dead2)
+	{
+		SetFailState("This plugin is for L4D/L4D2 only.");	
+	}
+	
+	HookEvent("player_spawn", Event_PlayerSpawn);
+	HookEvent("player_first_spawn", Event_PlayerFirstSpawn);
+	HookEvent("player_disconnect", Event_Disconnect);
+	HookEvent("round_end", Event_RoundEnd);
+	HookEvent("player_entered_checkpoint", Event_EnterSaferoom);
+	HookEvent("heal_success", Event_HealFinished);
+
+	hExtraItemBasePercentage = CreateConVar("l4d2_extraitem_chance", "0.056", "The base chance (multipled by player count) of an extra item being spawned.", FCVAR_NONE, true, 0.0, true, 1.0);
+
+	AutoExecConfig(true);
+}
+
+/////////////////////////////////////
+/// EVENTS
+////////////////////////////////////
+
+//Called on the first spawn in a mission. 
+public Action Event_PlayerFirstSpawn(Event event, const char[] name, bool dontBroadcast) { 
+	//int client = GetClientOfUserId(event.GetInt("userid"));
+	totalSurvivorCount++;
+}
+
+//Provide extra kits when a player spawns (aka after a map transition)
+public Action Event_PlayerSpawn(Event event, const char[] name, bool dontBroadcast) {
+	int client = GetClientOfUserId(event.GetInt("userid"));
+	if(extraKitsAmount > 0) {
+		char wpn[32];
+		if(GetClientWeaponName(client, 3, wpn, sizeof(wpn))) {
+			if(!StrEqual(wpn, "weapon_first_aid_kit")) {
+				CheatCommand(client, "give", "first_aid_kit", "");
+				extraKitsAmount--;
+				if(extraKitsAmount == 0) {
+					extraKitsAmount = -1;
+				}
+			}
+		}
+	}
+}
+public Action Event_Disconnect(Event event, const char[] name, bool dontBroadcast) {
+	totalSurvivorCount--;
+}
+
+//TODO: Possibly switch to game_init or game_newmap ?
+public void OnMapStart() {
+	//If it is the first map, reset count as this is before any players. Needs to ignore after a round_end
+	if(L4D_IsFirstMapInScenario()) {
+		if(isFailureRound) 
+			isFailureRound = false;
+		else
+			totalSurvivorCount = 0;
+	}
+
+	if(totalSurvivorCount > 4)
+		CreateTimer(20.0, Timer_AddExtraCounts);
+}
+
+public void Event_EnterSaferoom(Event event, const char[] name, bool dontBroadcast) {
+	
+	int client = GetClientOfUserId(event.GetInt("userid"));
+	if(client > 0) {
+		if(extraKitsAmount == -1 && L4D_IsInLastCheckpoint(client)) {
+			if(totalSurvivorCount > 4) {
+				extraKitsAmount = totalSurvivorCount - 4;
+				PrintToServer("Player entered saferoom. An extra %d kits will be provided on heal", extraKitsAmount);
+			}
+		}
+	}
+}
+
+public Action Event_RoundEnd(Event event, const char[] name, bool dontBroadcast) {
+	if(!isFailureRound) isFailureRound = true;
+}
+
+
+public Action Event_HealFinished(Event event, const char[] name, bool dontBroadcast) {
+	int client = GetClientOfUserId(event.GetInt("userid"));
+	//if statement 
+	if(extraKitsAmount > 0) {
+		CheatCommand(client, "give", "first_aid_kit", "");
+		extraKitsAmount--;
+		if(extraKitsAmount == 0) {
+			extraKitsAmount = -1;
+		}
+	}
+}
+
+
+
+/////////////////////////////////////
+/// TIMERS
+////////////////////////////////////
+
+public Action Timer_AddExtraCounts(Handle hd) {
+	float percentage = hExtraItemBasePercentage.FloatValue * totalSurvivorCount;
+	PrintToServer("Populating extra items based on player count (%d)", totalSurvivorCount);
+	char classname[32];
+	for(int i = MaxClients + 1; i < 2048; i++) {
+		if(IsValidEntity(i)) {
+			GetEntityClassname(i, classname, sizeof(classname));
+			if(StrContains(classname, "_spawn", true) > -1 && !StrEqual(classname, "info_zombie_spawn", true)) {
+				int count = GetEntProp(i, Prop_Data, "m_itemCount");
+				if(GetRandomFloat() < percentage) {
+					PrintToServer("Debug: Incrementing spawn count for %s from %d", classname, count);
+					SetEntProp(i, Prop_Data, "m_itemCount", ++count);
+				}
+				PrintToServer("%s %d", classname, count);
+			}
+		}
+	}
+}