walkbot.cpp

#include "../../util/input.hpp"
#include "../../util/math.hpp"
#include "../../util/render.hpp"


#include "walkbot.hpp"

void c_walkbot::paint( )
{
	const auto local_player = g_interfaces.entity_list->get_client_entity( g_interfaces.engine->get_local_player( ) );
	if ( !local_player )
		return;

	if ( g_input.is_key_pressed( VK_UP ) )
		m_points.push_back( local_player->m_origin( ) );
	
	if ( g_input.is_key_down( VK_RIGHT ) )
		m_points.clear( );

	if ( m_points.empty( ) )
		return;

	for ( size_t i = 0; i < m_points.size(); i++ )
	{
		const auto screen_position = g_math.world_to_screen( m_points.at(i) );

		g_render.string( screen_position, fonts::general, std::to_string(i), color_t( 255, 0, 0, 255 ), true );
	}

}

void c_walkbot::move( usercmd_t* cmd )
{
	const auto local_player = reinterpret_cast<c_base_player*>( g_interfaces.entity_list->get_client_entity( g_interfaces.engine->get_local_player( ) ) );

	if ( g_input.is_key_down( VK_LEFT ) )
	{
		if ( m_current_point == -1 )
			m_current_point = find_nearest_point( local_player );

		if ( m_current_point == m_points.size( ) )
		{
			m_current_point = 0;
			std::reverse( m_points.begin( ), m_points.end( ) );
		}
		
		go_to( cmd, m_points.at( m_current_point ) );
	}
}

int c_walkbot::find_nearest_point( c_base_player* local_player )
{
	auto nearest_point = -1;
	auto best_distance = 100000.f;

	for ( size_t i = 0; i < m_points.size( ); i++ )
	{
		const auto distance = local_player->m_origin( ).dist_to( m_points.at( i ) );
		if ( distance < best_distance )
		{
			best_distance = distance;
			nearest_point = i;
		}
	}

	return nearest_point;
}

void c_walkbot::go_to( usercmd_t* cmd, vec3_t point )
{
	const auto local_player = g_interfaces.entity_list->get_client_entity( g_interfaces.engine->get_local_player( ) );
	if ( !local_player )
		return;

	if ( local_player->m_origin( ).dist_to( point ) < 10)
		m_current_point++;

	vec3_t final_view_angle;
	g_math.vector_angles( point - local_player->m_origin( ), final_view_angle );

	g_math.normalize_angles( final_view_angle );
	g_math.clamp_angles( final_view_angle );

	g_interfaces.engine->set_view_angles( final_view_angle );

	cmd->forwardmove = 450.f;
}