#include <sourcemod>
#pragma semicolon 1
 
#define PLUGIN_VERSION "1.0"
 
public Plugin:myinfo =
{
	name = "New Flash Color",
	author = "Regent",
	description = "szinet ad a vakto granatnak",
	version = PLUGIN_VERSION,
	url = ""
};
 
 
#define FFADE_IN            0x0001        
#define FFADE_OUT           0x0002        
#define FFADE_MODULATE      0x0004        
#define FFADE_STAYOUT       0x0008        
#define FFADE_PURGE         0x0010        
 
 
 
new Handle:	g_hConVar_sNewFlashColor = INVALID_HANDLE;
new 		g_iNewFlashColor[3];
new bool:	g_bRandomColor;
new Handle:	g_hConVar_bPluginEnabled = INVALID_HANDLE;
new	bool:	g_bPluginEnabled;
 
 
new 		g_iOffset_flFlashMaxAlpha,
			g_iOffset_flFlashDuration;
 
 
new Handle:	g_hFlashTimer[MAXPLAYERS+1];
 
public OnPluginStart()
{
	// find offsets
	g_iOffset_flFlashMaxAlpha 	= GetSendPropOffs("CCSPlayer", "m_flFlashMaxAlpha");
	g_iOffset_flFlashDuration 	= GetSendPropOffs("CCSPlayer", "m_flFlashDuration");
 
	// create convars of plugin
	CreateConVar("sm_newflashcolor_version", PLUGIN_VERSION, "Pligin verzioja", FCVAR_PLUGIN|FCVAR_NOTIFY|FCVAR_REPLICATED|FCVAR_SPONLY);
	g_hConVar_sNewFlashColor = CreateConVar("sm_newflashcolor_color", "255 0 0", "Flash szine", FCVAR_PLUGIN);
	HookConVarChange(g_hConVar_sNewFlashColor, OnConVarChange);
	g_hConVar_bPluginEnabled = CreateConVar("sm_newflashcolor_enabled", "1", "engedelyezes/tiltas", FCVAR_PLUGIN);
	HookConVarChange(g_hConVar_bPluginEnabled, OnConVarChange);
 
	// hook events
	HookEvent("player_blind", Ev_PlayerBlind);
	HookEvent("player_spawn", Ev_PlayerSpawn);
}
 
public OnClientPutInServer(iClient)
{
	g_hFlashTimer[iClient] = INVALID_HANDLE;
}
 
public OnClientDisconnect_Post(iClient)
{
	CancelTimer(g_hFlashTimer[iClient]);
	g_hFlashTimer[iClient] = INVALID_HANDLE;
}
 
CancelTimer(&Handle:hTimer)
{
	if ( hTimer != INVALID_HANDLE )
	{
		KillTimer(hTimer);
	}
}
 
public OnConfigsExecuted()
{
	g_bPluginEnabled = GetConVarBool(g_hConVar_bPluginEnabled);
	GetNewFlashColor();
}
 
public OnConVarChange(Handle:hConVar, const String:sOldValue[], const String:sNewValue[])
{
	if ( hConVar == g_hConVar_sNewFlashColor )
	{
		GetNewFlashColor();
	}
	else if ( hConVar == g_hConVar_bPluginEnabled )
	{
		g_bPluginEnabled = GetConVarBool(g_hConVar_bPluginEnabled);
	}
}
 
GetNewFlashColor()
{
	// find first and last pos of space, then:
	// red part will be everything from start to first space pos
	// green part is everything between first and second space pos
	// blue part is everything else
	decl String:sBuffer[12], String:sPart[4];
	GetConVarString(g_hConVar_sNewFlashColor, sBuffer, sizeof(sBuffer));
	new iFirstSpace = FindCharInString(sBuffer, ' ', false) + 1;
	new iLastSpace  = FindCharInString(sBuffer, ' ', true) + 1;
 
	if ( iFirstSpace == -1 || iFirstSpace == iLastSpace )
	{
		g_bRandomColor = true;
	}
	else
	{
		strcopy(sPart, iFirstSpace, sBuffer);
		g_iNewFlashColor[0] = StringToInt(sPart);
		strcopy(sPart, iLastSpace - iFirstSpace, sBuffer[iFirstSpace]);
		g_iNewFlashColor[1] = StringToInt(sPart);
		strcopy(sPart, strlen(sBuffer) - iLastSpace + 1, sBuffer[iLastSpace]);
		g_iNewFlashColor[2] = StringToInt(sPart);
		g_bRandomColor = false;
	}
}
 
GetSendPropOffs(const String:sClass[], const String:sProp[])
{
	new iOffset = FindSendPropOffs(sClass, sProp);
	if ( iOffset == - 1 )
	{
		SetFailState("Offset %s::%s not found", sClass, sProp);
		return -1;
	}
	return iOffset;
}
 
public Ev_PlayerBlind(Handle:hEvent, const String:sEvName[], bool:bSilent)
{
	if ( g_bPluginEnabled )
	{
		new iClient 	= GetClientOfUserId(GetEventInt(hEvent, "userid")),
			iAlpha		= RoundToNearest(GetEntDataFloat(iClient, g_iOffset_flFlashMaxAlpha)),
			iDuration 	= RoundToNearest(GetEntDataFloat(iClient, g_iOffset_flFlashDuration)) * 1000;
 
		// remove classic flash
		SetEntDataFloat(iClient, g_iOffset_flFlashMaxAlpha, 0.5);
 
		// if random, get new color
		if ( g_bRandomColor )
		{
			g_iNewFlashColor[0] = GetRandomInt(1, 255);
			g_iNewFlashColor[1] = GetRandomInt(1, 255);
			g_iNewFlashColor[2] = GetRandomInt(1, 255);
		}
 
		// fade client. hud will be hidden by game
		PerformFade(iClient, iDuration, g_iNewFlashColor, iAlpha);
		CancelTimer(g_hFlashTimer[iClient]);
		g_hFlashTimer[iClient] = CreateTimer(float(iDuration), Timer_FlashEnded, iClient);
	}
}
 
// https://wiki.alliedmods.net/User_Messages
PerformFade(iClient, iDuration, const iColor[3], iAlpha) 
{
	new iFullBlindDuration = iDuration / 4;
	new Handle:hFadeClient = StartMessageOne("Fade", iClient);
	BfWriteShort(hFadeClient, iDuration - iFullBlindDuration);	
	BfWriteShort(hFadeClient, iFullBlindDuration);				
	BfWriteShort(hFadeClient, (FFADE_PURGE|FFADE_IN)); 			
	BfWriteByte(hFadeClient, iColor[0]);						
	BfWriteByte(hFadeClient, iColor[1]);						
	BfWriteByte(hFadeClient, iColor[2]);						
	BfWriteByte(hFadeClient, iAlpha);							
	EndMessage();
}
// end of https://wiki.alliedmods.net/User_Messages
 
public Action:Timer_FlashEnded(Handle:hTimer, any:iClient)
{
	g_hFlashTimer[iClient] = INVALID_HANDLE;
	return Plugin_Stop;
}
 
public Ev_PlayerSpawn(Handle:hEvent, const String:sEvName[], bool:bSilent)
{
	if ( g_bPluginEnabled )
	{
 
		new iClient = GetClientOfUserId(GetEventInt(hEvent, "userid"));
		if ( g_hFlashTimer[iClient] != INVALID_HANDLE )
		{
			PerformFade(iClient, 0, {0, 0, 0}, 0);
			CancelTimer(g_hFlashTimer[iClient]);
			g_hFlashTimer[iClient] = INVALID_HANDLE;
		}
	}
}