bool ParticleRenderer::GetEmitterWorldMatrix(const PartSysEmitter* emitter, D3DMATRIX& worldMatrix) {
D3DXMATRIX pM1;
auto spec = emitter->GetSpec();
auto particleSpace = spec->GetParticleSpace();
auto emitterSpace = spec->GetSpace();
if (particleSpace == PartSysParticleSpace::SameAsEmitter) {
if (emitterSpace == PartSysEmitterSpace::ObjectPos || emitterSpace == PartSysEmitterSpace::ObjectYpr) {
if (emitterSpace == PartSysEmitterSpace::ObjectYpr) {
auto v6 = emitter->GetObjRotation() + 3.1415927f;
D3DXMatrixRotationY(&pM1, v6);
} else {
D3DXMatrixIdentity(&pM1);
}
// SEt the translation component of the transformation matrix
pM1._41 = emitter->GetObjPos().x;
pM1._42 = emitter->GetObjPos().y;
pM1._43 = emitter->GetObjPos().z;
D3DXMatrixMultiply((D3DXMATRIX*)&worldMatrix, &pM1, (const D3DXMATRIX*)&renderStates->Get3dProjectionMatrix());
ExtractScreenSpaceUnitVectors(worldMatrix);
return true;
}
if (emitterSpace == PartSysEmitterSpace::NodePos || emitterSpace == PartSysEmitterSpace::NodeYpr) {
auto external = IPartSysExternal::GetCurrent();
if (emitterSpace == PartSysEmitterSpace::NodeYpr) {
D3DXMATRIX boneMatrix;
if (!external->GetBoneWorldMatrix(emitter->GetAttachedTo(), spec->GetNodeName(), (Matrix4x4&)boneMatrix)) {
// This effectively acts as a fallback if the bone doesn't exist
auto x = emitter->GetObjPos().x;
auto y = emitter->GetObjPos().y;
auto z = emitter->GetObjPos().z;
D3DXMatrixTranslation(&boneMatrix, x, y, z);
}
D3DXMatrixMultiply((D3DXMATRIX*) &worldMatrix, &pM1, (const D3DXMATRIX*)&renderStates->Get3dProjectionMatrix());
ExtractScreenSpaceUnitVectors(worldMatrix);
return true;
}
D3DXMATRIX boneMatrix;
if (external->GetBoneWorldMatrix(emitter->GetAttachedTo(), spec->GetNodeName(), (Matrix4x4&)boneMatrix)) {
auto x = boneMatrix._41;
auto y = boneMatrix._42;
auto z = boneMatrix._43;
D3DXMatrixTranslation(&pM1, x, y, z); // TODO: This might not be needed...
D3DXMatrixMultiply((D3DXMATRIX*)&worldMatrix,
&pM1,
(const D3DXMATRIX*)&renderStates->Get3dProjectionMatrix());
ExtractScreenSpaceUnitVectors(worldMatrix);
return true;
}
return false;
}
worldMatrix = renderStates->Get3dProjectionMatrix();
ExtractScreenSpaceUnitVectors(worldMatrix);
return true;
}
if (particleSpace == PartSysParticleSpace::World) {
worldMatrix = renderStates->Get3dProjectionMatrix();
ExtractScreenSpaceUnitVectors(worldMatrix);
return true;
}
if (emitterSpace != PartSysEmitterSpace::ObjectPos && emitterSpace != PartSysEmitterSpace::ObjectYpr) {
if (emitterSpace != PartSysEmitterSpace::NodePos && emitterSpace != PartSysEmitterSpace::NodeYpr)
return true;
auto external = IPartSysExternal::GetCurrent();
D3DXMatrixIdentity(&pM1);
if (emitterSpace == PartSysEmitterSpace::NodeYpr) {
// Use the entire bone matrix if possible
external->GetBoneWorldMatrix(emitter->GetAttachedTo(), spec->GetNodeName(), (Matrix4x4&)pM1);
} else {
// Only use the bone translation part
D3DXMATRIX boneMatrix;
if (!external->GetBoneWorldMatrix(emitter->GetAttachedTo(), spec->GetNodeName(), (Matrix4x4&) boneMatrix))
return false;
pM1._41 = boneMatrix._41;
pM1._42 = boneMatrix._42;
pM1._43 = boneMatrix._43;
}
worldMatrix = renderStates->Get3dProjectionMatrix();
ExtractScreenSpaceUnitVectors2(pM1);
return 1;
}
if (emitterSpace == PartSysEmitterSpace::ObjectYpr) {
auto v6 = emitter->GetObjRotation() + 3.1415927f;
D3DXMatrixRotationY(&pM1, v6);
} else {
D3DXMatrixIdentity(&pM1);
}
worldMatrix = renderStates->Get3dProjectionMatrix();
ExtractScreenSpaceUnitVectors2(pM1);
return true;
}
bool ParticleRenderer::GetEmitterWorldMatrix(const PartSysEmitter& emitter, XMFLOAT4X4& worldMatrix) {
auto spec = emitter.GetSpec();
auto particleSpace = spec->GetParticleSpace();
auto emitterSpace = spec->GetSpace();
if (particleSpace == PartSysParticleSpace::SameAsEmitter) {
if (emitterSpace == PartSysEmitterSpace::ObjectPos || emitterSpace == PartSysEmitterSpace::ObjectYpr) {
XMMATRIX localMat;
if (emitterSpace == PartSysEmitterSpace::ObjectYpr) {
auto angle = emitter.GetObjRotation() + XM_PI;
localMat = XMMatrixRotationY(angle);
} else {
localMat = XMMatrixIdentity();
}
// Set the translation component of the transformation matrix
localMat.r[3] = XMVectorSet(emitter.GetObjPos().x,
emitter.GetObjPos().y,
emitter.GetObjPos().z,
1
);
XMStoreFloat4x4(
&worldMatrix,
localMat * XMLoadFloat4x4(&mDevice.GetCamera().GetViewProj())
);
ExtractScreenSpaceUnitVectors(worldMatrix);
return true;
}
if (emitterSpace == PartSysEmitterSpace::NodePos || emitterSpace == PartSysEmitterSpace::NodeYpr) {
auto external = IPartSysExternal::GetCurrent();
if (emitterSpace == PartSysEmitterSpace::NodeYpr) {
XMFLOAT4X4 boneMatrix;
if (!external->GetBoneWorldMatrix(emitter.GetAttachedTo(), spec->GetNodeName(), boneMatrix)) {
// This effectively acts as a fallback if the bone doesn't exist
auto x = emitter.GetObjPos().x;
auto y = emitter.GetObjPos().y;
auto z = emitter.GetObjPos().z;
XMStoreFloat4x4(
&boneMatrix,
XMMatrixTranslation(x, y, z)
);
}
XMStoreFloat4x4(
&worldMatrix,
XMLoadFloat4x4(&boneMatrix) * XMLoadFloat4x4(&mDevice.GetCamera().GetViewProj())
);
ExtractScreenSpaceUnitVectors(worldMatrix);
return true;
}
XMFLOAT4X4 boneMatrix;
if (external->GetBoneWorldMatrix(emitter.GetAttachedTo(), spec->GetNodeName(), (Matrix4x4&)boneMatrix)) {
auto x = boneMatrix._41;
auto y = boneMatrix._42;
auto z = boneMatrix._43;
XMStoreFloat4x4(
&worldMatrix,
XMMatrixTranslation(x, y, z) * XMLoadFloat4x4(&mDevice.GetCamera().GetViewProj())
);
ExtractScreenSpaceUnitVectors(worldMatrix);
return true;
}
return false;
}
worldMatrix = mDevice.GetCamera().GetViewProj();
ExtractScreenSpaceUnitVectors(worldMatrix);
return true;
}
if (particleSpace == PartSysParticleSpace::World) {
worldMatrix = mDevice.GetCamera().GetViewProj();
ExtractScreenSpaceUnitVectors(worldMatrix);
return true;
}
if (emitterSpace != PartSysEmitterSpace::ObjectPos && emitterSpace != PartSysEmitterSpace::ObjectYpr) {
if (emitterSpace != PartSysEmitterSpace::NodePos && emitterSpace != PartSysEmitterSpace::NodeYpr)
return true;
auto external = IPartSysExternal::GetCurrent();
XMFLOAT4X4 boneMatrix;
if (emitterSpace == PartSysEmitterSpace::NodeYpr) {
// Use the entire bone matrix if possible
external->GetBoneWorldMatrix(emitter.GetAttachedTo(), spec->GetNodeName(), boneMatrix);
} else {
// Only use the bone translation part
if (!external->GetBoneWorldMatrix(emitter.GetAttachedTo(), spec->GetNodeName(), (Matrix4x4&) boneMatrix))
return false;
XMStoreFloat4x4(
&boneMatrix,
XMMatrixTranslation(boneMatrix._41,
boneMatrix._42,
boneMatrix._43)
); // TODO: This might not be needed...
}
worldMatrix = mDevice.GetCamera().GetViewProj();
ExtractScreenSpaceUnitVectors2(boneMatrix);
return true;
}
XMFLOAT4X4 matrix;
if (emitterSpace == PartSysEmitterSpace::ObjectYpr) {
auto angle = emitter.GetObjRotation() + XM_PI;
XMStoreFloat4x4(&matrix, XMMatrixRotationY(angle));
} else {
XMStoreFloat4x4(&matrix, XMMatrixIdentity());
}
worldMatrix = mDevice.GetCamera().GetViewProj();
ExtractScreenSpaceUnitVectors2(matrix);
return true;
}