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- #1
source of edgebug:
void c_movement::edge_bug(c_usercmd* cmd)
{
if (!vars.movement.edge_bug.properstate())
{
game->detectdata.detecttick = 0;
game->detectdata.edgebugtick = 0;
return;
}
const int move_type = game->local->movetype();
if ((engine_prediction->backup.flags & 1) || move_type == MOVETYPE_NOCLIP || move_type == MOVETYPE_OBSERVER || move_type == MOVETYPE_LADDER)
{
game->detectdata.detecttick = 0;
game->detectdata.edgebugtick = 0;
return;
}
if (interfaces::global_vars->tick_count >= game->detectdata.detecttick && interfaces::global_vars->tick_count <= game->detectdata.edgebugtick)
{
if (game->detectdata.crouched)
cmd->buttons |= IN_DUCK;
else
cmd->buttons &= ~IN_DUCK;
if (game->detectdata.strafing)
{
cmd->forward_move = game->detectdata.forwardmove;
cmd->side_move = game->detectdata.sidemove;
cmd->view_angles.y = Math::NormalizeYaw(game->detectdata.startingyaw + (game->detectdata.yawdelta * (interfaces::global_vars->tick_count - game->detectdata.detecttick))); // extrapolate the viewangle using a static delta and the amount of ticks that have passed from detection
interfaces::engine->SetViewangles(
}
else
{
cmd->forward_move = 0.f;
cmd->side_move = 0.f;
}
return;
}
Vector originalpos = engine_prediction->backup.origin;
Vector originalvel = engine_prediction->backup.velocity;
int originalflags = engine_prediction->backup.flags;
float originalfmove = cmd->forward_move;
float originalsmove = cmd->side_move;
Vector originalangles = cmd->view_angles;
int ticklimit = TIME_TO_TICKS(vars.movement.edge_bug_time);
const float m_yaw = interfaces::cvar->FindVar("m_yaw")->GetFloat();
const float sensitivity = interfaces::cvar->FindVar("sensitivity")->GetFloat();
float yawdelta = std::clamp(cmd->mouse_dx * m_yaw * sensitivity, -180.f, 180.f);
//prediction
if (interfaces::global_vars->tick_count < game->detectdata.detecttick || interfaces::global_vars->tick_count > game->detectdata.edgebugtick)
{
const int desiredrounds = (vars.movement.edge_bug_strafing && (yawdelta != 0.f) ? 4 : 2);
const auto sv_gravity = interfaces::cvar->FindVar("sv_gravity");
float gv = sv_gravity->GetFloat();
for (int predRound = 0; predRound < desiredrounds; predRound++)
{
interfaces::prediction->restore_entity_to_predicted_frame(0, interfaces::prediction->Split->nCommandsPredicted - 1);
//create desired cmd
c_usercmd predictcmd = *cmd;
game->detectdata.startingyaw = originalangles.y;
if (predRound == 0)
{
game->detectdata.crouched = true;
predictcmd.buttons |= IN_DUCK;
game->detectdata.strafing = false;
predictcmd.forward_move = 0.f;
predictcmd.side_move = 0.f;
}
else if (predRound == 1)
{
game->detectdata.crouched = false;
predictcmd.buttons &= ~IN_DUCK;
game->detectdata.strafing = false;
predictcmd.forward_move = 0.f;
predictcmd.side_move = 0.f;
}
else if (predRound == 2)
{
game->detectdata.crouched = true;
predictcmd.buttons |= IN_DUCK;
game->detectdata.strafing = true;
predictcmd.forward_move = originalfmove;
predictcmd.side_move = originalsmove;
}
else if (predRound == 3)
{
game->detectdata.crouched = false;
predictcmd.buttons &= ~IN_DUCK;
game->detectdata.strafing = true;
predictcmd.forward_move = originalfmove;
predictcmd.side_move = originalsmove;
}
detectionpositions.clear();
detectionpositions.push_back(std::pair<Vector, Vector>(game->local->origin(), game->local->velocity()));
for (int ticksPredicted = 0; ticksPredicted < ticklimit; ticksPredicted++)
{
Vector old_velocity = game->local->velocity();
int old_flags = game->local->flags();
Vector old_pos = game->local->origin();
if (game->detectdata.strafing)
{
predictcmd.view_angles.y = Math::NormalizeYaw(originalangles.y + (yawdelta * ticksPredicted));
}
engine_prediction->start(&predictcmd); // predict 1 more tick
Vector predicted_velocity = game->local->velocity();
int predicted_flags = game->local->flags();
detectionpositions.push_back(std::pair<Vector, Vector>(game->local->origin(), game->local->velocity()));
engine_prediction->end();
if ((old_flags & 1) || (predicted_flags & 1) || round(predicted_velocity.Length2D()) == 0.f || round(old_velocity.Length2D()) == 0.f || game->local->movetype() == MOVETYPE_LADDER || old_velocity.z > 0.f)
{
game->detectdata.detecttick = 0;
game->detectdata.edgebugtick = 0;
break;
}
if (detectionpositions.size() > 2)
{
if (actualebdetection(detectionpositions.at(detectionpositions.size() - 3).second, detectionpositions.at(detectionpositions.size() - 2).second, detectionpositions.at(detectionpositions.size() - 1).second, gv))
{
game->detectdata.detecttick = interfaces::global_vars->tick_count;
game->detectdata.edgebugtick = interfaces::global_vars->tick_count + (ticksPredicted);
game->detectdata.eblength = ticksPredicted;
game->detectdata.forwardmove = originalfmove;
game->detectdata.sidemove = originalsmove;
ebpos = game->local->origin();
game->detectdata.yawdelta = yawdelta;
if (predRound < 2)
{
cmd->forward_move = 0.f;
cmd->side_move = 0.f;
}
else
{
cmd->forward_move = originalfmove;
cmd->side_move = originalsmove;
cmd->view_angles.y = originalangles.y;
}
if (predRound == 0 || predRound == 2)
{
cmd->buttons |= IN_DUCK;
}
else
{
cmd->buttons &= ~IN_DUCK;
}
return;
}
}
}
}
}
}
