void CPlayerRotation::ClampAngles( float minAngle, float maxAngle )
{
//Cap up/down looking
{
const float currentViewPitch = GetLocalPitch();
const float newPitch = clamp_tpl(currentViewPitch + m_deltaAngles.x, minAngle, maxAngle);
m_deltaAngles.x = newPitch - currentViewPitch;
}
//Further limit the view if necessary
{
const SViewLimitParams& viewLimits = m_player.m_params.viewLimits;
const Vec3 limitDir = viewLimits.GetViewLimitDir();
if (limitDir.len2() < 0.1f)
return;
const float limitV = viewLimits.GetViewLimitRangeV();
const float limitH = viewLimits.GetViewLimitRangeH();
const float limitVUp = viewLimits.GetViewLimitRangeVUp();
const float limitVDown = viewLimits.GetViewLimitRangeVDown();
if ((limitH+limitV+fabsf(limitVUp)+fabsf(limitVDown)) > 0.0f)
{
//A matrix is built around the view limit, and then the player view angles are checked with it.
//Later, if necessary the upVector could be made customizable.
const Vec3 forward(limitDir);
const Vec3 up(m_baseQuat.GetColumn2());
const Vec3 right((-(up % forward)).GetNormalized());
Matrix33 limitMtx;
limitMtx.SetFromVectors(right,forward,right%forward);
limitMtx.Invert();
const Vec3 localDir(limitMtx * m_viewQuat.GetColumn1());
Ang3 limit;
if (limitV)
{
limit.x = asinf(localDir.z) + m_deltaAngles.x;
const float deltaX(limitV - fabs(limit.x));
m_deltaAngles.x = m_deltaAngles.x + (float)__fsel(deltaX, 0.0f, deltaX * (float)__fsel(limit.x, 1.0f, -1.0f));
}
if (limitVUp || limitVDown)
{
limit.x = asinf(localDir.z) + m_deltaAngles.x;
const float deltaXUp(limitVUp - limit.x);
float fNewDeltaX = m_deltaAngles.x;
const float fDeltaXUpIncrement = (float)__fsel( deltaXUp, 0.0f, deltaXUp);
fNewDeltaX = fNewDeltaX + (float)__fsel(-fabsf(limitVUp), 0.0f, fDeltaXUpIncrement);
const float deltaXDown(limitVDown - limit.x);
const float fDeltaXDownIncrement = (float)__fsel( deltaXDown, deltaXDown, 0.0f);
fNewDeltaX = fNewDeltaX + (float)__fsel(-fabsf(limitVDown), 0.0f, fDeltaXDownIncrement);
m_deltaAngles.x = fNewDeltaX;
}
if (limitH)
{
limit.z = atan2_tpl(-localDir.x,localDir.y) + m_deltaAngles.z;
const float deltaZ(limitH - fabs(limit.z));
m_deltaAngles.z = m_deltaAngles.z + (float)__fsel(deltaZ, 0.0f, deltaZ * (float)__fsel(limit.z, 1.0f, -1.0f));
}
}
}
}
void CPlayerRotation::ClampAngles()
{
{
//cap up/down looking
float minAngle,maxAngle;
GetStanceAngleLimits(minAngle,maxAngle);
float currentViewPitch=GetLocalPitch();
float newPitch = currentViewPitch + m_deltaAngles.x;
if(newPitch < minAngle)
newPitch = minAngle;
else if(newPitch > maxAngle)
newPitch = maxAngle;
m_deltaAngles.x = newPitch - currentViewPitch;
}
{
//further limit the view if necessary
float limitV = m_params.vLimitRangeV;
float limitH = m_params.vLimitRangeH;
Vec3 limitDir = m_params.vLimitDir;
float limitVUp = m_params.vLimitRangeVUp;
float limitVDown = m_params.vLimitRangeVDown;
if(m_player.m_stats.isFrozen.Value())
{
float clampMin = g_pGameCVars->cl_frozenAngleMin;
float clampMax = g_pGameCVars->cl_frozenAngleMax;
float frozenLimit = DEG2RAD(clampMin + (clampMax-clampMin)*(1.f-m_player.GetFrozenAmount(true)));
if(limitV == 0 || limitV>frozenLimit)
limitV = frozenLimit;
if(limitH == 0 || limitH>frozenLimit)
limitH = frozenLimit;
if(g_pGameCVars->cl_debugFreezeShake)
{
static float color[] = {1,1,1,1};
gEnv->pRenderer->Draw2dLabel(100,200,1.5,color,false,"limit: %f", RAD2DEG(frozenLimit));
}
}
if(m_player.m_stats.isOnLadder)
{
limitDir = -m_player.m_stats.ladderOrientation;
limitH = DEG2RAD(40.0f);
}
if((limitH+limitV+limitVUp+limitVDown) && limitDir.len2()>0.1f)
{
//A matrix is built around the view limit, and then the player view angles are checked with it.
//Later, if necessary the upVector could be made customizable.
Vec3 forward(limitDir);
Vec3 up(m_baseQuat.GetColumn2());
Vec3 right(-(up % forward));
right.Normalize();
Matrix33 limitMtx;
limitMtx.SetFromVectors(right,forward,right%forward);
//gEnv->pRenderer->GetIRenderAuxGeom()->DrawLine(m_player.GetEntity()->GetWorldPos(), ColorB(0,0,255,255), m_player.GetEntity()->GetWorldPos() + limitMtx.GetColumn(0), ColorB(0,0,255,255));
//gEnv->pRenderer->GetIRenderAuxGeom()->DrawLine(m_player.GetEntity()->GetWorldPos(), ColorB(0,255,0,255), m_player.GetEntity()->GetWorldPos() + limitMtx.GetColumn(1), ColorB(0,255,0,255));
//gEnv->pRenderer->GetIRenderAuxGeom()->DrawLine(m_player.GetEntity()->GetWorldPos(), ColorB(255,0,0,255), m_player.GetEntity()->GetWorldPos() + limitMtx.GetColumn(2), ColorB(255,0,0,255));
limitMtx.Invert();
Vec3 localDir(limitMtx * m_viewQuat.GetColumn1());
// Vec3 localDir(limitMtx * m_player.GetEntity()->GetWorldRotation().GetColumn1());
Ang3 limit;
if(limitV)
{
limit.x = asinf(localDir.z) + m_deltaAngles.x;
float deltaX(limitV - fabs(limit.x));
if(deltaX < 0.0f)
m_deltaAngles.x += deltaX*(limit.x>0.0f?1.0f:-1.0f);
}
if(limitVUp || limitVDown)
{
limit.x = asinf(localDir.z) + m_deltaAngles.x;
if(limit.x>=limitVUp && limitVUp!=0)
{
float deltaXUp(limitVUp - limit.x);
m_deltaAngles.x += deltaXUp;
}
if(limit.x<=limitVDown && limitVDown!=0)
{
float deltaXDown(limitVDown - limit.x);
m_deltaAngles.x += deltaXDown;
}
}
if(limitH)
{
limit.z = cry_atan2f(-localDir.x,localDir.y) + m_deltaAngles.z;
float deltaZ(limitH - fabs(limit.z));
if(deltaZ < 0.0f)
m_deltaAngles.z += deltaZ*(limit.z>0.0f?1.0f:-1.0f);
}
}
}
}
//
// Extract the various modifiers out into their own function.
//
// Aim is to make the code easier to understand and modify, as
// well as to ease the addition of new modifiers.
//
void CPlayerView::ViewFirstPerson(SViewParams &viewParams)
{
//headbob
Ang3 angOffset(0,0,0);
Vec3 weaponOffset(0,0,0);
Ang3 weaponAngleOffset(0,0,0);
// jump/land spring effect. Adjust the eye and weapon pos as required.
FirstPersonJump(viewParams,weaponOffset,weaponAngleOffset);
//float standSpeed(GetStanceMaxSpeed(STANCE_STAND));
Vec3 vSpeed(0,0,0);
if (m_in.standSpeed>0.001f)
vSpeed = (m_in.stats_velocity / m_in.standSpeed);
float vSpeedLen(vSpeed.len());
if (vSpeedLen>1.5f)
vSpeed = vSpeed / vSpeedLen * 1.5f;
float speedMul(0);
if (m_in.standSpeed>0.001f)
speedMul=(m_in.stats_flatSpeed / m_in.standSpeed * 1.1f);
speedMul = min(1.5f,speedMul);
bool crawling(m_in.stance==STANCE_PRONE /*&& m_in.stats_flatSpeed>0.1f*/ && m_in.stats_onGround>0.1f);
bool weaponZoomed = false;
bool weaponZomming = false;
//Not crawling while in zoom mode
IActor *owner = gEnv->pGame->GetIGameFramework()->GetIActorSystem()->GetActor(m_in.entityId);
if(owner && owner->IsPlayer())
{
IItem *pItem = owner->GetCurrentItem();
if(pItem)
{
CWeapon *pWeapon = static_cast<CWeapon*>(pItem->GetIWeapon());
if(pWeapon)
{
weaponZoomed = pWeapon->IsZoomed();
weaponZomming = pWeapon->IsZooming();
if(weaponZoomed||weaponZomming||pWeapon->IsModifying())
crawling = false;
}
}
}
// On the ground.
if (m_in.stats_inAir < 0.1f /*&& m_in.stats_inWater < 0.1f*/)
{
//--- Bobbing.
// bobCycle is a speed varying time step running (looping) from 0 to 1
// this feeds into a sin eqn creating a double horizontal figure of 8.
// ( a lissajous figure with the vertical freq twice the horz freq ).
// To tweak the total speed of the curve:
// To tweak the effect speed has on the curve:
float kSpeedToBobFactor=1.15f;//0.9f
// To tweak the width of the bob:
float kBobWidth=0.1f;
// To tweak the height of the bob:
float kBobHeight=0.05f;
// To tweak the scale of strafing lag: (may need to manually adjust the strafing angle offsets as well.)
const float kStrafeHorzScale=0.05f;
kBobWidth = 0.15f;
kBobHeight = 0.06f;
m_io.stats_bobCycle += m_in.frameTime * kSpeedToBobFactor * speedMul;// * (m_in.bSprinting?1.25f:1.0f);
//if player is standing set the bob to rest. (bobCycle reaches 1.0f within 1 second)
if (speedMul < 0.1f)
m_io.stats_bobCycle = min(m_io.stats_bobCycle + m_in.frameTime * 1.0f,1.0f);
// bobCycle loops between 0 and 1
if (m_io.stats_bobCycle>1.0f)
m_io.stats_bobCycle = m_io.stats_bobCycle - 1.0f;
if (crawling)
kBobWidth *= 2.0f * speedMul;
else if (m_in.bSprinting)
kBobWidth *= 1.25f * speedMul;
//set the bob offset
Vec3 bobDir(cry_sinf(m_io.stats_bobCycle*gf_PI*2.0f)*kBobWidth*speedMul,0,cry_sinf(m_io.stats_bobCycle*gf_PI*4.0f)*kBobHeight*speedMul);
//not the bob offset for the weapon
bobDir *= 0.25f;
//if player is strafing shift a bit the weapon on left/right
if (speedMul > 0.01f)
{
// right vector dot speed vector
float dot(m_io.viewQuatFinal.GetColumn0() * vSpeed);
bobDir.x -= dot * kStrafeHorzScale; // the faster we move right, the more the gun lags to the left and vice versa
//tweak the right strafe for weapon laser
if (dot>0.0f)
weaponAngleOffset.z += dot * 1.5f; // kStrafeHorzScale
else
weaponAngleOffset.z -= dot * 2.0f; // kStrafeHorzScale
weaponAngleOffset.y += dot * 5.0f; // kStrafeHorzScale
}
//CryLogAlways("bobDir.z: %f", bobDir.z);
if (bobDir.z < 0.0f)
{
bobDir.x *= 1.0f;
bobDir.y *= 1.0f;
bobDir.z *= 0.35f;
speedMul *= 0.65f;
}
else
bobDir.z *= 1.85f;
//CryLogAlways("bobDir.z: %f after", bobDir.z);
weaponOffset += m_io.viewQuatFinal * bobDir;
weaponOffset -= m_io.baseQuat.GetColumn2() * 0.035f * speedMul;
weaponAngleOffset.y += cry_sinf(m_io.stats_bobCycle*gf_PI*2.0f) * speedMul * -1.5f;
if (crawling)
weaponAngleOffset.y *= 3.0f;
weaponAngleOffset.x += speedMul * 1.5f;
if (crawling)
weaponAngleOffset.z += cry_sinf(m_io.stats_bobCycle*gf_PI*2.0f) * speedMul * 3.0f;
//FIXME: viewAngles must include all the view offsets, otherwise aiming wont be precise.
angOffset.x += cry_sinf(m_io.stats_bobCycle*gf_PI*4.0f)*0.7f*speedMul;
if (crawling)
{
angOffset.x *= 2.5f;
angOffset.y += cry_sinf(m_io.stats_bobCycle*gf_PI*2.0f)*1.25f*speedMul;
angOffset.z -= cry_sinf(m_io.stats_bobCycle*gf_PI*2.0f)*2.5f*speedMul;
}
else if (m_in.bSprinting)
{
angOffset.x *= 2.5f;
angOffset.y += cry_sinf(m_io.stats_bobCycle*gf_PI*2.0f)*1.0f*speedMul;
angOffset.z -= cry_sinf(m_io.stats_bobCycle*gf_PI*2.0f)*2.25f*speedMul;
}
else if(m_in.stance==STANCE_CROUCH && !weaponZoomed && !weaponZomming)
{
weaponOffset.z += 0.035f;
weaponOffset.y -= m_io.viewQuatFinal.GetColumn1().y * 0.03f;
}
else if(m_in.stance==STANCE_CROUCH && weaponZomming)
{
weaponOffset.z -= 0.07f;
weaponOffset.y += m_io.viewQuatFinal.GetColumn1().y * 0.06f;
}
else
{
//angOffset.x *= 2.25f;
//angOffset.y += cry_sinf(m_io.stats_bobCycle*gf_PI*2.0f)*0.5f*speedMul;
//angOffset.z -= cry_sinf(m_io.stats_bobCycle*gf_PI*2.0f)*1.125f*speedMul;
}
}
else
{
m_io.stats_bobCycle = 0;
//while flying offset a bit the weapon model by the player speed
if (m_in.stats_velocity.len2()>0.001f)
{
float dotFwd(m_io.viewQuatFinal.GetColumn1() * vSpeed);
float dotSide(m_io.viewQuatFinal.GetColumn0() * vSpeed);
float dotUp(m_io.viewQuatFinal.GetColumn2() * vSpeed);
weaponOffset += m_io.viewQuatFinal * Vec3(dotSide * -0.05f,dotFwd * -0.035f,dotUp * -0.05f);
weaponAngleOffset.x += dotUp * 2.0f;
weaponAngleOffset.y += dotSide * 5.0f;
weaponAngleOffset.z -= dotSide * 2.0f;
}
}
//add some inertia to weapon due view direction change.
float deltaDotSide(m_io.vFPWeaponLastDirVec * m_io.viewQuatFinal.GetColumn0());
float deltaDotUp(m_io.vFPWeaponLastDirVec * m_io.viewQuatFinal.GetColumn2());
weaponOffset += m_io.viewQuatFinal * Vec3(deltaDotSide * 0.1f + m_in.stats_leanAmount * 0.05f,0,deltaDotUp * 0.1f - fabs(m_in.stats_leanAmount) * 0.05f) * m_in.params_weaponInertiaMultiplier;
weaponAngleOffset.x -= deltaDotUp * 5.0f * m_in.params_weaponInertiaMultiplier;
weaponAngleOffset.z += deltaDotSide * 5.0f * m_in.params_weaponInertiaMultiplier;
weaponAngleOffset.y += deltaDotSide * 5.0f * m_in.params_weaponInertiaMultiplier;
if(m_in.stats_leanAmount<0.0f)
weaponAngleOffset.y += m_in.stats_leanAmount * 5.0f;
//the weapon model tries to stay parallel to the terrain when the player is freefalling/parachuting
if (m_in.stats_inWater > 0.0f)
weaponOffset -= m_io.viewQuat.GetColumn2() * 0.15f;
if (m_in.stats_inWater>0.1f && !m_in.stats_headUnderWater)
{
Ang3 offset(m_io.viewQuatFinal);
offset.z = 0;
if (offset.x<0.0f)
offset.x = 0;
weaponAngleOffset -= offset*(180.0f/gf_PI)*0.75f;
}
else if (m_io.stats_inFreefall)
{
Ang3 offset(m_io.viewQuatFinal);
offset.z = 0;
weaponAngleOffset -= offset*(180.0f/gf_PI)*0.5f;
}
//same thing with crawling
else if (crawling)
{
//FIXME:to optimize, looks like a bit too expensive
Vec3 forward(m_io.viewQuatFinal.GetColumn1());
Vec3 up(m_io.baseQuat.GetColumn2());
Vec3 right(-(up % forward));
Matrix33 mat;
mat.SetFromVectors(right,up%right,up);
mat.OrthonormalizeFast();
Ang3 offset(m_io.viewQuatFinal.GetInverted() * Quat(mat));
weaponAngleOffset += offset*(180.0f/gf_PI)*0.5f;
float lookDown(m_io.viewQuatFinal.GetColumn1() * m_io.baseQuat.GetColumn2());
weaponOffset += m_io.baseQuat * Vec3(0,-0.5f*max(-lookDown,0.0f),-0.05f);
float scale = 0.5f;;
if(weaponAngleOffset.x>0.0f)
{
scale = min(0.5f,weaponAngleOffset.x/15.0f);
weaponAngleOffset.x *= scale;
}
else
{
scale = min(0.5f,-weaponAngleOffset.x/20.0f);
weaponAngleOffset *= (1.0f-scale);
weaponOffset *= scale;
}
//if(vSpeedLen>0.1f)
//weaponAngleOffset += Ang3(-8.0f,0,-12.5f);
}
else if (m_in.bSprinting && vSpeedLen>0.5f)
{
weaponAngleOffset += Ang3(-20.0f,0,10.0f);
weaponOffset += m_io.viewQuatFinal * Vec3(0.0f, -.01f, .1f);
}
else if (m_in.bLookingAtFriendlyAI && !weaponZomming && !weaponZoomed)
{
weaponAngleOffset += Ang3(-15.0f,0,8.0f);
weaponOffset += m_io.viewQuatFinal * Vec3(0.0f, -.01f, .05f);
}
//apply some multipliers
weaponOffset *= m_in.params_weaponBobbingMultiplier;
angOffset *= m_io.bobMul * 0.25f;
if (m_io.bobMul*m_io.bobMul!=1.0f)
{
weaponOffset *= m_io.bobMul;
weaponAngleOffset *= m_io.bobMul;
}
float bobSpeedMult(1.0f);
if(m_in.stats_inWater>0.1)
bobSpeedMult = 0.75f;
// m_io.viewQuatForWeapon *= Quat::CreateRotationXYZ(Ang3(rx,ry,rz));
Interpolate(m_io.vFPWeaponOffset,weaponOffset,3.95f*bobSpeedMult,m_in.frameTime);
Interpolate(m_io.vFPWeaponAngleOffset,weaponAngleOffset,10.0f*bobSpeedMult,m_in.frameTime);
Interpolate(m_io.vFPWeaponLastDirVec,m_io.viewQuatFinal.GetColumn1(),5.0f*bobSpeedMult,m_in.frameTime);
Interpolate(m_io.angleOffset,angOffset,10.0f,m_in.frameTime,0.002f);
if(weaponZomming)
{
m_io.vFPWeaponLastDirVec = m_io.viewQuatFinal.GetColumn1();
m_io.vFPWeaponOffset.Set(0.0f,0.0f,0.0f);
m_io.vFPWeaponAngleOffset.Set(0.0f,0.0f,0.0f);
m_io.bobOffset.Set(0.0f,0.0f,0.0f);
}
if (m_in.bSprinting)
{
float headBobScale = (m_in.stats_flatSpeed / m_in.standSpeed);
headBobScale = min(1.0f, headBobScale);
m_io.bobOffset = m_io.vFPWeaponOffset * 2.5f * g_pGameCVars->cl_headBob * headBobScale;
float bobLenSq = m_io.bobOffset.GetLengthSquared();
float bobLenLimit = g_pGameCVars->cl_headBobLimit;
if (bobLenSq > bobLenLimit*bobLenLimit)
{
float bobLen = sqrt_tpl(bobLenSq);
m_io.bobOffset *= bobLenLimit/bobLen;
}
viewParams.position += m_io.bobOffset;
}
}
