void CTripmineGrenade::AttachToEntity(CBaseEntity *pOther)
{
if (!pOther)
return;
if ( !VPhysicsGetObject() )
return;
m_bAttached = true;
m_hAttachEntity = pOther;
SetMoveType ( MOVETYPE_NONE );
if (pOther->GetSolid() == SOLID_VPHYSICS && pOther->VPhysicsGetObject() != NULL )
{
SetSolid(SOLID_BBOX); //Tony; switch to bbox solid instead of vphysics, because we've made the physics object non-solid
MakeConstraint(pOther);
SetMoveType ( MOVETYPE_VPHYSICS ); // use vphysics while constrained!!
}
//if it isnt vphysics or bsp, use SetParent to follow it.
else if (pOther->GetSolid() != SOLID_BSP)
{
SetSolid(SOLID_BBOX); //Tony; switch to bbox solid instead of vphysics, because we've made the physics object non-solid
SetParent( m_hAttachEntity.Get() );
}
}
bool Physics_Cloth::ResetCloth()
{
// Clear Memory
ReleaseCloth();
ReleaseSelected();
m_contraints.clear();
m_nextIndex = 0;
if (m_initialisedParticles == false)
{
ReleasePtr(m_pMesh);
ReleasePtrArray(m_pParticles);
// Create memory for all the particles
m_particleCount = m_particlesWidthCount * m_particlesHeightCount;
m_pParticles = new Physics_Particle[m_particleCount];
m_pVertices = new TVertexColor[m_particleCount];
// Calculate how many indices there are with be based on how many particles there are using line list
int immediateConstraintCount = (m_particlesWidthCount - 1) * (m_particlesHeightCount - 1) * 4 + (m_particlesWidthCount - 1) + (m_particlesHeightCount - 1);
int secondaryConstraintCount = 0;
if (m_complexWeave == true)
{
// Calculate the secondary indices count only if the weave is set to complex
secondaryConstraintCount = (m_particlesWidthCount - 2) * (m_particlesHeightCount - 2) * 4 + ((m_particlesWidthCount - 2) * 2) + ((m_particlesHeightCount - 2) * 2);
}
// Create the indices buffer with the amount of calculated constraints
m_indexCount = (immediateConstraintCount + secondaryConstraintCount) * 2;
m_pIndices = new DWORD[m_indexCount];
}
// Cycle through all the particles
for (int col = 0; col < m_particlesWidthCount; col++)
{
for (int row = 0; row < m_particlesHeightCount; row++)
{
// Calculate the position based on the particles row and column
v3float pos;
pos.x = m_width * (col / (float)m_width) - ((float)m_width / 2.0f);
pos.y = -m_height * (row / (float)m_height) + ((float)m_height / 2.0f);
pos.z = 0.0f;
int index = row * m_particlesWidthCount + col;
if (m_initialisedParticles == false)
{
// First time. Initialise
m_pVertices[index] = { { pos.x, pos.y, pos.z }, d3dxColors::White };
VALIDATE(m_pParticles[index].Initialise(index, &m_pVertices[index], pos, m_timeStep, m_damping));
}
else
{
// Particle has already been initialized so just reset the position
m_pParticles[index].Reset();
m_pParticles[index].SetPosition(pos, true);
m_pVertices[index].color = d3dxColors::White;
}
}
}
// Connect Particles that are immediately to the right and below (include diagonals)
for (int col = 0; col < m_particlesWidthCount; col++)
{
for (int row = 0; row < m_particlesHeightCount; row++)
{
// Particle to the Right exists
if (col < m_particlesWidthCount - 1)
{
VALIDATE(MakeConstraint(GetParticleIndex(col, row), GetParticleIndex(col + 1, row), true));
// Add the constraint index to each attached particle
GetParticle(col, row)->AddContraintIndex(m_contraints.size() - 1);
GetParticle(col + 1, row)->AddContraintIndex(m_contraints.size() - 1);
}
// Particle below exists
if (row < m_particlesHeightCount - 1)
{
VALIDATE(MakeConstraint(GetParticleIndex(col, row), GetParticleIndex(col, row + 1), true));
// Add the constraint index to each attached particle
GetParticle(col, row)->AddContraintIndex(m_contraints.size() - 1);
GetParticle(col, row + 1)->AddContraintIndex(m_contraints.size() - 1);
}
// Particle to the right and below exists
if ((col < m_particlesWidthCount - 1) && (row < m_particlesHeightCount - 1))
{
VALIDATE(MakeConstraint(GetParticleIndex(col, row), GetParticleIndex(col + 1, row + 1), true));
// Add the constraint index to each attached particle
GetParticle(col, row)->AddContraintIndex(m_contraints.size() - 1);
GetParticle(col + 1, row + 1)->AddContraintIndex(m_contraints.size() - 1);
VALIDATE(MakeConstraint(GetParticleIndex(col + 1, row), GetParticleIndex(col, row + 1), true));
// Add the constraint index to each attached particle
GetParticle(col + 1, row)->AddContraintIndex(m_contraints.size() - 1);
GetParticle(col, row + 1)->AddContraintIndex(m_contraints.size() - 1);
}
}
}
if (m_complexWeave == true)
{
// Connect Particles the are one step further away than previous loop
for (int col = 0; col < m_particlesWidthCount; col++)
{
for (int row = 0; row < m_particlesHeightCount; row++)
{
// Particle to the Right exists
if (col < m_particlesWidthCount - 2)
{
VALIDATE(MakeConstraint(GetParticleIndex(col, row), GetParticleIndex(col + 2, row), false));
// Add the constraint index to each attached particle
GetParticle(col, row)->AddContraintIndex(m_contraints.size() - 1);
GetParticle(col + 2, row)->AddContraintIndex(m_contraints.size() - 1);
}
// Particle below exists
if (row < m_particlesHeightCount - 2)
{
VALIDATE(MakeConstraint(GetParticleIndex(col, row), GetParticleIndex(col, row + 2), false));
// Add the constraint index to each attached particle
GetParticle(col, row)->AddContraintIndex(m_contraints.size() - 1);
GetParticle(col, row + 2)->AddContraintIndex(m_contraints.size() - 1);
}
// Particle to the right and below exists
if ((col < m_particlesWidthCount - 2) && (row < m_particlesHeightCount - 2))
{
VALIDATE(MakeConstraint(GetParticleIndex(col, row), GetParticleIndex(col + 2, row + 2), false));
// Add the constraint index to each attached particle
GetParticle(col, row)->AddContraintIndex(m_contraints.size() - 1);
GetParticle(col + 2, row + 2)->AddContraintIndex(m_contraints.size() - 1);
VALIDATE(MakeConstraint(GetParticleIndex(col + 2, row), GetParticleIndex(col, row + 2), false));
// Add the constraint index to each attached particle
GetParticle(col + 2, row)->AddContraintIndex(m_contraints.size() - 1);
GetParticle(col, row + 2)->AddContraintIndex(m_contraints.size() - 1);
}
}
}
}
if (m_initialisedParticles == false)
{
// Create a new Cloth Mesh
m_pMesh = new DX10_Mesh();
VALIDATE(m_pMesh->InitialiseCloth(m_pRenderer, m_pVertices, m_pIndices, m_particleCount, m_indexCount, sizeof(TVertexColor), D3D10_PRIMITIVE_TOPOLOGY_LINELIST, D3D10_USAGE_DYNAMIC, D3D10_USAGE_DYNAMIC));
}
// Create the hooks and pin the cloth
CreateHooks();
// Add a wind force of 1 down the Z axis to settle the cloth
AddForce({ 0.0f, 0.0f, 1.0f }, FT_GENERIC, false);
Process(CT_NONE);
m_initialisedParticles = true;
return true;
}