#pragma semicolon 1

#include <sourcemod>
#include <sdktools>
#include <cstrike>

#pragma newdecls required

public Plugin myinfo =
{
	name		= "Spectate",
	description	= "Adds a command to spectate specific players and removes broken spectate mode.",
	author		= "Obus + BotoX",
	version		= "1.0.1",
	url			= ""
}

// Spectator Movement modes (from smlib)
enum Obs_Mode
{
	OBS_MODE_NONE = 0,	// not in spectator mode
	OBS_MODE_DEATHCAM,	// special mode for death cam animation
	OBS_MODE_FREEZECAM,	// zooms to a target, and freeze-frames on them
	OBS_MODE_FIXED,		// view from a fixed camera position
	OBS_MODE_IN_EYE,	// follow a player in first person view
	OBS_MODE_CHASE,		// follow a player in third person view
	OBS_MODE_POI,		// PASSTIME point of interest - game objective, big fight, anything interesting; added in the middle of the enum due to tons of hard-coded "<ROAMING" enum compares
	OBS_MODE_ROAMING,	// free roaming

	NUM_OBSERVER_MODES
};

public void OnPluginStart()
{
	LoadTranslations("common.phrases");

	RegConsoleCmd("sm_spectate", Command_Spectate, "Spectate a player.");
	RegConsoleCmd("sm_spec", Command_Spectate, "Spectate a player.");
}

public void OnClientSettingsChanged(int client)
{
	static char sSpecMode[8];
	GetClientInfo(client, "cl_spec_mode", sSpecMode, sizeof(sSpecMode));

	Obs_Mode iObserverMode = view_as<Obs_Mode>(StringToInt(sSpecMode));

	// Skip broken OBS_MODE_POI
	if (iObserverMode == OBS_MODE_POI)
	{
		ClientCommand(client, "cl_spec_mode %d", OBS_MODE_ROAMING);
		if(IsClientInGame(client) && !IsPlayerAlive(client))
			SetEntProp(client, Prop_Send, "m_iObserverMode", OBS_MODE_ROAMING);
	}
}

public Action Command_Spectate(int client, int argc)
{
	if (!client)
	{
		PrintToServer("[SM] Cannot use command from server console.");
		return Plugin_Handled;
	}

	if (!argc)
	{
		if (GetClientTeam(client) != CS_TEAM_SPECTATOR)
		{
			ForcePlayerSuicide(client);
			ChangeClientTeam(client, CS_TEAM_SPECTATOR);
		}

		return Plugin_Handled;
	}

	char sTarget[MAX_TARGET_LENGTH];
	GetCmdArg(1, sTarget, sizeof(sTarget));

	int iTarget;
	if ((iTarget = FindTarget(client, sTarget, false, false)) <= 0)
		return Plugin_Handled;

	if (!IsPlayerAlive(iTarget))
	{
		ReplyToCommand(client, "[SM] %t", "Target must be alive");
		return Plugin_Handled;
	}

	if (GetClientTeam(client) != CS_TEAM_SPECTATOR)
	{
		ForcePlayerSuicide(client);
		ChangeClientTeam(client, CS_TEAM_SPECTATOR);
	}

	SetEntPropEnt(client, Prop_Send, "m_hObserverTarget", iTarget);

	Obs_Mode iObserverMode = view_as<Obs_Mode>(GetEntProp(client, Prop_Send, "m_iObserverMode"));
	// If the client is currently in free roaming then switch them to first person view
	if (iObserverMode == OBS_MODE_ROAMING)
	{
		SetEntProp(client, Prop_Send, "m_iObserverMode", OBS_MODE_IN_EYE);
		ClientCommand(client, "cl_spec_mode %d", OBS_MODE_ROAMING);
	}

	PrintToChat(client, "\x01[SM] Spectating \x04%N\x01.", iTarget);

	return Plugin_Handled;
}