void Ship::AIAccelToModelRelativeVelocity(const vector3d v)
{
vector3d difVel = v - GetVelocity() * GetOrient(); // required change in velocity
vector3d maxThrust = GetMaxThrust(difVel);
vector3d maxFrameAccel = maxThrust * (Pi::game->GetTimeStep() / GetMass());
SetThrusterState(0, difVel.x / maxFrameAccel.x);
SetThrusterState(1, difVel.y / maxFrameAccel.y);
SetThrusterState(2, difVel.z / maxFrameAccel.z); // use clamping
}
void Ship::Blastoff()
{
if (m_flightState != LANDED) return;
ClearThrusterState();
m_flightState = FLYING;
m_testLanded = false;
m_dockedWith = 0;
m_launchLockTimeout = 2.0; // two second of applying thrusters
vector3d up = GetPosition().Normalized();
Enable();
assert(GetFrame()->m_astroBody->IsType(Object::PLANET));
const double planetRadius = 2.0 + static_cast<Planet*>(GetFrame()->m_astroBody)->GetTerrainHeight(up);
SetVelocity(vector3d(0, 0, 0));
SetAngVelocity(vector3d(0, 0, 0));
SetForce(vector3d(0, 0, 0));
SetTorque(vector3d(0, 0, 0));
Aabb aabb;
GetAabb(aabb);
// XXX hm. we need to be able to get sbre aabb
SetPosition(up*planetRadius - aabb.min.y*up);
SetThrusterState(1, 1.0); // thrust upwards
Pi::luaOnShipTakeOff->Queue(this, GetFrame()->m_astroBody);
}
void Ship::AIAccelToModelRelativeVelocity(const vector3d v)
{
// OK. For rotating frames linked to space stations we want to set
// speed relative to non-rotating frame (so we apply Frame::GetStasisVelocityAtPosition.
// For rotating frames linked to planets we want to set velocity relative to
// surface, so we do not apply Frame::GetStasisVelocityAtPosition
vector3d relVel = GetVelocity();
if (GetFrame()->IsStationRotFrame()) {
relVel -= GetFrame()->GetStasisVelocityAtPosition(GetPosition());
}
matrix4x4d m; GetRotMatrix(m);
vector3d difVel = v - (relVel * m); // required change in velocity
vector3d maxThrust = GetMaxThrust(difVel);
vector3d maxFrameAccel = maxThrust * Pi::GetTimeStep() / GetMass();
SetThrusterState(0, difVel.x / maxFrameAccel.x);
SetThrusterState(1, difVel.y / maxFrameAccel.y);
SetThrusterState(2, difVel.z / maxFrameAccel.z); // use clamping
}
// diffvel is required change in velocity in object space
// returns true if this can be done in a single timestep
bool Ship::AIChangeVelBy(const vector3d &diffvel)
{
// counter external forces
vector3d extf = GetExternalForce() * (Pi::game->GetTimeStep() / GetMass());
vector3d diffvel2 = diffvel - extf * GetOrient();
vector3d maxThrust = GetMaxThrust(diffvel2);
vector3d maxFrameAccel = maxThrust * (Pi::game->GetTimeStep() / GetMass());
vector3d thrust(diffvel2.x / maxFrameAccel.x,
diffvel2.y / maxFrameAccel.y,
diffvel2.z / maxFrameAccel.z);
SetThrusterState(thrust); // use clamping
if (thrust.x*thrust.x > 1.0 || thrust.y*thrust.y > 1.0 || thrust.z*thrust.z > 1.0) return false;
return true;
}
void Ship::Blastoff()
{
if (m_flightState != LANDED) return;
vector3d up = GetPosition().Normalized();
assert(GetFrame()->GetBody()->IsType(Object::PLANET));
const double planetRadius = 2.0 + static_cast<Planet*>(GetFrame()->GetBody())->GetTerrainHeight(up);
SetVelocity(vector3d(0, 0, 0));
SetAngVelocity(vector3d(0, 0, 0));
SetFlightState(FLYING);
SetPosition(up*planetRadius - GetAabb().min.y*up);
SetThrusterState(1, 1.0); // thrust upwards
LuaEvent::Queue("onShipTakeOff", this, GetFrame()->GetBody());
}
// diffvel is required change in velocity in object space
// returns true if this can be done in a single timestep
bool Ship::AIChangeVelBy(const vector3d &diffvel)
{
// counter external forces unless we're in an orbital station rotating frame
matrix4x4d rot; GetRotMatrix(rot);
vector3d diffvel2 = GetExternalForce() * Pi::GetTimeStep() / GetMass();
if (GetFrame()->IsStationRotFrame()) diffvel2 = diffvel;
else diffvel2 = diffvel - diffvel2 * rot;
vector3d maxThrust = GetMaxThrust(diffvel2);
vector3d maxFrameAccel = maxThrust * Pi::GetTimeStep() / GetMass();
vector3d thrust(diffvel2.x / maxFrameAccel.x,
diffvel2.y / maxFrameAccel.y,
diffvel2.z / maxFrameAccel.z);
SetThrusterState(thrust); // use clamping
if (thrust.x*thrust.x > 1.0 || thrust.y*thrust.y > 1.0 || thrust.z*thrust.z > 1.0) return false;
return true;
}
void Player::PollControls(const float timeStep)
{
static bool stickySpeedKey = false;
if (Pi::game->GetTimeAccel() == Game::TIMEACCEL_PAUSED || Pi::player->IsDead() || GetFlightState() != FLYING)
return;
// if flying
{
ClearThrusterState();
SetGunState(0,0);
SetGunState(1,0);
vector3d wantAngVel(0.0);
double angThrustSoftness = 50.0;
// have to use this function. SDL mouse position event is bugged in windows
int mouseMotion[2];
SDL_GetRelativeMouseState (mouseMotion+0, mouseMotion+1); // call to flush
if (Pi::MouseButtonState(SDL_BUTTON_RIGHT))
{
matrix4x4d rot; GetRotMatrix(rot);
if (!m_mouseActive) {
m_mouseDir = vector3d(-rot[8],-rot[9],-rot[10]); // in world space
m_mouseX = m_mouseY = 0;
m_mouseActive = true;
}
vector3d objDir = m_mouseDir * rot;
const double radiansPerPixel = 0.002;
m_mouseX += mouseMotion[0] * radiansPerPixel;
double modx = clipmouse(objDir.x, m_mouseX);
m_mouseX -= modx;
const bool invertY = (Pi::IsMouseYInvert() ? !m_invertMouse : m_invertMouse);
m_mouseY += mouseMotion[1] * radiansPerPixel * (invertY ? -1 : 1);
double mody = clipmouse(objDir.y, m_mouseY);
m_mouseY -= mody;
if(!float_is_zero_general(modx) || !float_is_zero_general(mody)) {
matrix4x4d mrot = matrix4x4d::RotateYMatrix(modx); mrot.RotateX(mody);
m_mouseDir = (rot * (mrot * objDir)).Normalized();
}
}
else m_mouseActive = false;
// disable all keyboard controls while the console is active
if (!Pi::IsConsoleActive()) {
if (m_flightControlState == CONTROL_FIXSPEED) {
double oldSpeed = m_setSpeed;
if (stickySpeedKey) {
if (!(KeyBindings::increaseSpeed.IsActive() || KeyBindings::decreaseSpeed.IsActive())) {
stickySpeedKey = false;
}
}
if (!stickySpeedKey) {
if (KeyBindings::increaseSpeed.IsActive())
m_setSpeed += std::max(fabs(m_setSpeed)*0.05, 1.0);
if (KeyBindings::decreaseSpeed.IsActive())
m_setSpeed -= std::max(fabs(m_setSpeed)*0.05, 1.0);
if ( ((oldSpeed < 0.0) && (m_setSpeed >= 0.0)) ||
((oldSpeed > 0.0) && (m_setSpeed <= 0.0)) ) {
// flipped from going forward to backwards. make the speed 'stick' at zero
// until the player lets go of the key and presses it again
stickySpeedKey = true;
m_setSpeed = 0;
}
}
}
if (KeyBindings::thrustForward.IsActive()) SetThrusterState(2, -1.0);
if (KeyBindings::thrustBackwards.IsActive()) SetThrusterState(2, 1.0);
if (KeyBindings::thrustUp.IsActive()) SetThrusterState(1, 1.0);
if (KeyBindings::thrustDown.IsActive()) SetThrusterState(1, -1.0);
if (KeyBindings::thrustLeft.IsActive()) SetThrusterState(0, -1.0);
if (KeyBindings::thrustRight.IsActive()) SetThrusterState(0, 1.0);
if (KeyBindings::fireLaser.IsActive() || (Pi::MouseButtonState(SDL_BUTTON_LEFT) && Pi::MouseButtonState(SDL_BUTTON_RIGHT))) {
SetGunState(Pi::worldView->GetActiveWeapon(), 1);
}
if (KeyBindings::yawLeft.IsActive()) wantAngVel.y += 1.0;
if (KeyBindings::yawRight.IsActive()) wantAngVel.y += -1.0;
if (KeyBindings::pitchDown.IsActive()) wantAngVel.x += -1.0;
if (KeyBindings::pitchUp.IsActive()) wantAngVel.x += 1.0;
if (KeyBindings::rollLeft.IsActive()) wantAngVel.z += 1.0;
if (KeyBindings::rollRight.IsActive()) wantAngVel.z -= 1.0;
if (KeyBindings::fastRotate.IsActive())
angThrustSoftness = 10.0;
}
vector3d changeVec;
changeVec.x = KeyBindings::pitchAxis.GetValue();
changeVec.y = KeyBindings::yawAxis.GetValue();
changeVec.z = KeyBindings::rollAxis.GetValue();
// Deadzone
if(changeVec.LengthSqr() < m_joystickDeadzone)
changeVec = vector3d(0.0);
changeVec *= 2.0;
wantAngVel += changeVec;
double invTimeAccelRate = 1.0 / Pi::game->GetTimeAccelRate();
for (int axis=0; axis<3; axis++)
wantAngVel[axis] = Clamp(wantAngVel[axis], -invTimeAccelRate, invTimeAccelRate);
if (m_mouseActive) AIFaceDirection(m_mouseDir);
else AIModelCoordsMatchAngVel(wantAngVel, angThrustSoftness);
}
}
void Player::PollControls(const float timeStep)
{
double time_accel = Pi::GetTimeAccel();
double invTimeAccel = 1.0 / time_accel;
static bool stickySpeedKey = false;
if ((time_accel == 0) || GetDockedWith() || Pi::player->IsDead() ||
(GetFlightState() != FLYING)) {
return;
}
// if flying
{
ClearThrusterState();
vector3d wantAngVel(0.0);
// have to use this function. SDL mouse position event is bugged in windows
int mouseMotion[2];
SDL_GetRelativeMouseState (mouseMotion+0, mouseMotion+1); // call to flush
if (Pi::MouseButtonState(3))
{
matrix4x4d rot; GetRotMatrix(rot);
if (!m_mouseActive) {
m_mouseDir = vector3d(-rot[8],-rot[9],-rot[10]); // in world space
m_mouseX = m_mouseY = 0;
m_mouseActive = true;
}
vector3d objDir = m_mouseDir * rot;
m_mouseX += mouseMotion[0] * 0.002;
double modx = clipmouse(objDir.x, m_mouseX);
m_mouseX -= modx;
m_mouseY += mouseMotion[1] * 0.002; // factor pixels => radians
double mody = clipmouse(objDir.y, m_mouseY);
m_mouseY -= mody;
if(modx != 0.0 || mody != 0.0) {
matrix4x4d mrot = matrix4x4d::RotateYMatrix(modx); mrot.RotateX(mody);
m_mouseDir = (rot * (mrot * objDir)).Normalized();
}
}
else m_mouseActive = false;
if (m_flightControlState == CONTROL_FIXSPEED) {
double oldSpeed = m_setSpeed;
if (stickySpeedKey) {
if (!(KeyBindings::increaseSpeed.IsActive() || KeyBindings::decreaseSpeed.IsActive())) {
stickySpeedKey = false;
}
}
if (!stickySpeedKey) {
if (KeyBindings::increaseSpeed.IsActive()) m_setSpeed += std::max(m_setSpeed*0.05, 1.0);
if (KeyBindings::decreaseSpeed.IsActive()) m_setSpeed -= std::max(m_setSpeed*0.05, 1.0);
if ( ((oldSpeed < 0.0) && (m_setSpeed >= 0.0)) ||
((oldSpeed > 0.0) && (m_setSpeed <= 0.0)) ) {
// flipped from going forward to backwards. make the speed 'stick' at zero
// until the player lets go of the key and presses it again
stickySpeedKey = true;
m_setSpeed = 0;
}
}
}
if (KeyBindings::thrustForward.IsActive()) SetThrusterState(2, -1.0);
if (KeyBindings::thrustBackwards.IsActive()) SetThrusterState(2, 1.0);
if (KeyBindings::thrustUp.IsActive()) SetThrusterState(1, 1.0);
if (KeyBindings::thrustDown.IsActive()) SetThrusterState(1, -1.0);
if (KeyBindings::thrustLeft.IsActive()) SetThrusterState(0, -1.0);
if (KeyBindings::thrustRight.IsActive()) SetThrusterState(0, 1.0);
SetGunState(0,0);
SetGunState(1,0);
if (KeyBindings::fireLaser.IsActive() || (Pi::MouseButtonState(1) && Pi::MouseButtonState(3))) {
SetGunState(Pi::worldView->GetActiveWeapon(), 1);
}
if (KeyBindings::yawLeft.IsActive()) wantAngVel.y += 1.0;
if (KeyBindings::yawRight.IsActive()) wantAngVel.y += -1.0;
if (KeyBindings::pitchDown.IsActive()) wantAngVel.x += -1.0;
if (KeyBindings::pitchUp.IsActive()) wantAngVel.x += 1.0;
if (KeyBindings::rollLeft.IsActive()) wantAngVel.z += 1.0;
if (KeyBindings::rollRight.IsActive()) wantAngVel.z -= 1.0;
wantAngVel.x += 2 * KeyBindings::pitchAxis.GetValue();
wantAngVel.y += 2 * KeyBindings::yawAxis.GetValue();
wantAngVel.z += 2 * KeyBindings::rollAxis.GetValue();
for (int axis=0; axis<3; axis++)
wantAngVel[axis] = Clamp(wantAngVel[axis], -invTimeAccel, invTimeAccel);
// matrix4x4d rot; GetRotMatrix(rot);
const double angThrustSoftness = KeyBindings::fastRotate.IsActive() ? 10.0 : 50.0;
if (m_mouseActive) AIFaceDirection(m_mouseDir);
else AIModelCoordsMatchAngVel(wantAngVel, angThrustSoftness);
}
}
