_Use_decl_annotations_
void XM_CALLCONV Camera::SetViewParams(_In_ FXMVECTOR vDirection)
{
XMMATRIX view = XMMatrixIdentity();
view.r[2] = XMVectorSetW(-XMVector3Normalize(vDirection), 0.0f);
view.r[3] = XMVectorSetW(XMVector3Normalize(vDirection), 1.0f);
//m_mView = view;
}
bool CPointLightNode::intersectRay(const math::SRay& ray, f32* pDist) const
{
XMVECTOR origin = XMLoadFloat3(&ray.Origin);
origin = XMVectorSetW(origin, 1.0f);
XMVECTOR direction = XMLoadFloat3(&ray.Direction);
direction = XMVectorSetW(direction, 0);
return intersectRay(origin, direction, pDist);
}
/**
* Creates a rotation matrix about the described axis.
*
* @param fX Describes the x component of the axis.
* @param fY Describes the y component of the axis.
* @param fZ Describes the z component of the axis.
* @param fRadians Angle of rotation, measured clockwise when looking along the rotation axis.
* @return The resulting matrix.
*/
CFMat4x4 CFMat4x4::CreateRotationAxis( FLOAT32 fX, FLOAT32 fY, FLOAT32 fZ, FLOAT32 fRadians )
{
CFMat4x4 matReturn;
CFVec3 v3Axis;
v3Axis.X( fX );
v3Axis.Y( fY );
v3Axis.Z( fZ );
XMMATRIX& matResult = *reinterpret_cast<XMMATRIX*>( &matReturn );
XMVECTOR& vAxis = *reinterpret_cast<XMVECTOR*>( &v3Axis );
vAxis = XMVectorSetW( vAxis, 0.0f );
matResult = XMMatrixRotationAxis( vAxis, fRadians );
return matReturn;
}
void D3DCamera::Render(XMVECTOR translate, XMVECTOR rotate, bool move, bool playback)
{
XMVECTOR upVector, lookAtVector, rightVector;
XMMATRIX rotationMatrix;
rightVector = XMVectorSet(1.0f, 0.0f, 0.0f, 0.0f);
upVector = XMVectorSet(0.0f, 1.0f, 0.0f, 0.0f);
lookAtVector = XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f);
if (move)
{
XMVECTOR quaternion = XMQuaternionRotationRollPitchYawFromVector(rotate);
quaternion = XMQuaternionNormalize(quaternion);
m_rotation = XMQuaternionMultiply(quaternion, m_rotation);
}
if (playback) m_rotation = rotate;
rotationMatrix = XMMatrixRotationQuaternion(m_rotation);
// Transform the lookAt and up vector by the rotation matrix so the view is correctly rotated at the origin.
lookAtVector = XMVector3TransformCoord(lookAtVector, rotationMatrix);
upVector = XMVector3TransformCoord(upVector, rotationMatrix);
rightVector = XMVector3TransformCoord(upVector, rotationMatrix);
if (move)
{
translate = XMVector3TransformCoord(translate, rotationMatrix);
translate = XMVectorSetW(translate, 0);
m_position += translate;
}
if (playback) m_position = translate;
// Translate the rotated camera position to the location of the viewer.
lookAtVector = XMVectorAdd(m_position, lookAtVector);
m_lookAtVector.x = lookAtVector.m128_f32[0];
m_lookAtVector.y = lookAtVector.m128_f32[1];
m_lookAtVector.z = lookAtVector.m128_f32[2];
// Finally create the view matrix from the three updated vectors.
m_viewMatrix = XMMatrixLookAtLH(m_position, lookAtVector, upVector);
return;
}
void World::update( float dt )
{
//Update the population, mostly does AI decisions
mPop.update( dt );
float mBlockDimensions = 0.3f;
//Do collision for moving characters
for( int i = 0; i < POPULATION_MAX_CHARACTERS; i++){
Character& character = mPop.getCharacter(i);
if( character.getExistence() > Character::Existence::Dead ){
XMFLOAT4& dir = mPop.getCharacter(i).getWalkingDirection();
//Make sure we are at least moving when checking collision
float dist = fabs( dir.x ) + fabs( dir.z );
if( dist < 0.1f ){
continue;
}
//TEMPORARY WAY OF SOLVING THIS!
//As long as we are not on a ramp, bring us to the floor
int bx = static_cast<int>( character.getPosition().x / mBlockDimensions );
int bz = static_cast<int>( character.getPosition().z / mBlockDimensions );
CLAMP( bx, 0, getLevel().getWidth() - 1 );
CLAMP( bz, 0, getLevel().getDepth() - 1 );
XMVECTOR moveVec = XMLoadFloat4( &dir );
moveVec = XMVector3Normalize( moveVec );
moveVec = XMVectorSetW( moveVec, 1.0f );
moveEntity( &character, moveVec, dt * CHARACTER_MOVE_SPEED );
//Reset the direction back to 0
dir.x = 0.0f;
dir.y = 0.0f;
dir.z = 0.0f;
}
}
for(ushort i = 0; i < mLevel.getNumDoors(); i++){
Level::Door& door = mLevel.getDoor(i);
if( door.state == Level::Door::Opening ){
door.setYRotation( door.getYRotation() + 0.02f );
if( door.getYRotation() > ( door.startAngle + ( 3.14159f * 0.5f ) ) ){
door.state = Level::Door::Opened;
door.setYRotation( door.startAngle + ( 3.14159f * 0.5f ) );
}
}else if( door.state == Level::Door::Closing ){
door.setYRotation( door.getYRotation() - 0.02f );
if( door.getYRotation() < ( door.startAngle - ( 3.14159f * 0.5f ) ) ){
door.state = Level::Door::Closed;
door.setYRotation( door.startAngle - ( 3.14159f * 0.5f ) );
}
}
}
}
void CFVec4::W( FLOAT32 fVal )
{
XMVECTOR& V4 = *reinterpret_cast<XMVECTOR*>(this);
V4 = XMVectorSetW( V4, fVal );
}
void CFVec4::WAdd( FLOAT32 fVal )
{
XMVECTOR& v4V = *reinterpret_cast<XMVECTOR*>(this);
v4V = XMVectorSetW( v4V, XMVectorGetW( v4V ) + fVal );
}
void Frustum::CreateFrustum(float screenDepth, XMMATRIX viewMatrix, XMMATRIX projMatrix)
{
float zMinimum, r;
XMFLOAT4X4 projMatrixFloat;
XMFLOAT4X4 frustumMatrix;
XMStoreFloat4x4(&projMatrixFloat, projMatrix);
// Calculate the minimum Z distance in the frustum.
zMinimum = -projMatrixFloat._43 / projMatrixFloat._33;
r = screenDepth / (screenDepth - zMinimum);
projMatrixFloat._33 = r;
projMatrixFloat._43 = -r * zMinimum;
XMMATRIX updatedProjMatrix = XMLoadFloat4x4(&projMatrixFloat);
//Create the frustum from the viewMatrix and updated projectionMatrix
XMStoreFloat4x4(&frustumMatrix, XMMatrixMultiply(viewMatrix, updatedProjMatrix)); ;
//Calculate near plane of frustum
XMVectorSetX(this->planes[0], frustumMatrix._14 + frustumMatrix._13);
XMVectorSetY(this->planes[0], frustumMatrix._24 + frustumMatrix._23);
XMVectorSetZ(this->planes[0], frustumMatrix._34 + frustumMatrix._33);
XMVectorSetW(this->planes[0], frustumMatrix._44 + frustumMatrix._43);
this->planes[0] = XMPlaneNormalize(this->planes[0]);
//this->planes[0] = XMVector3Normalize(this->planes[0]);
//Calculate far plane of frustum
XMVectorSetX(this->planes[1], frustumMatrix._14 - frustumMatrix._13);
XMVectorSetY(this->planes[1], frustumMatrix._24 - frustumMatrix._23);
XMVectorSetZ(this->planes[1], frustumMatrix._34 - frustumMatrix._33);
XMVectorSetW(this->planes[1], frustumMatrix._44 - frustumMatrix._43);
this->planes[1] = XMPlaneNormalize(this->planes[1]);
//this->planes[1] = XMVector3Normalize(this->planes[1]);
//Calculate left plane of frustum
XMVectorSetX(this->planes[2], frustumMatrix._14 + frustumMatrix._11);
XMVectorSetY(this->planes[2], frustumMatrix._24 + frustumMatrix._21);
XMVectorSetZ(this->planes[2], frustumMatrix._34 + frustumMatrix._31);
XMVectorSetW(this->planes[2], frustumMatrix._44 + frustumMatrix._41);
this->planes[2] = XMPlaneNormalize(this->planes[2]);
//this->planes[2] = XMVector3Normalize(this->planes[2]);
//Calculate right plane of frustum
XMVectorSetX(this->planes[3], frustumMatrix._14 - frustumMatrix._11);
XMVectorSetY(this->planes[3], frustumMatrix._24 - frustumMatrix._21);
XMVectorSetZ(this->planes[3], frustumMatrix._34 - frustumMatrix._31);
XMVectorSetW(this->planes[3], frustumMatrix._44 - frustumMatrix._41);
this->planes[3] = XMPlaneNormalize(this->planes[3]);
//this->planes[3] = XMVector3Normalize(this->planes[3]);
//Calculate top plane of frustum
XMVectorSetX(this->planes[4], frustumMatrix._14 - frustumMatrix._12);
XMVectorSetY(this->planes[4], frustumMatrix._24 - frustumMatrix._22);
XMVectorSetZ(this->planes[4], frustumMatrix._34 - frustumMatrix._32);
XMVectorSetW(this->planes[4], frustumMatrix._44 - frustumMatrix._42);
this->planes[4] = XMPlaneNormalize(this->planes[4]);
//this->planes[4] = XMVector3Normalize(this->planes[4]);
//Calculate bottom plane of frustum
XMVectorSetX(this->planes[5], frustumMatrix._14 + frustumMatrix._12);
XMVectorSetY(this->planes[5], frustumMatrix._24 + frustumMatrix._22);
XMVectorSetZ(this->planes[5], frustumMatrix._34 + frustumMatrix._32);
XMVectorSetW(this->planes[5], frustumMatrix._44 + frustumMatrix._42);
this->planes[5] = XMPlaneNormalize(this->planes[5]);
//this->planes[5] = XMVector3Normalize(this->planes[5]);
/*for (int i = 0; i < 6; i++) {
float denom = 1.0f / XMVectorGetX(XMVector3Length(this->planes[i]));
XMVectorSetX(this->planes[i], XMVectorGetX(this->planes[i]) * denom);
XMVectorSetY(this->planes[i], XMVectorGetY(this->planes[i]) * denom);
XMVectorSetZ(this->planes[i], XMVectorGetZ(this->planes[i]) * denom);
XMVectorSetW(this->planes[i], XMVectorGetW(this->planes[i]) * denom);
}*/
return;
}
void Light::set_intensity(float i) {
XMVECTOR v = colorv();
XMVectorSetW(v, i);
set_color(v);
}
