Physics_Cloth::~Physics_Cloth()
{
// Release allocated memory
ReleasePtr(m_pMesh);
ReleasePtrArray(m_pParticles);
}
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;
}
void Glulxe::unparse_glk_args(dispatch_splot_t *splot, const char **proto, int depth,
int *argnumptr, uint subaddress, int subpassout) {
const char *cx;
int ix, argx;
int gargnum, numwanted;
void *opref;
gluniversal_t *garglist;
uint *varglist;
garglist = splot->garglist;
varglist = splot->varglist;
gargnum = *argnumptr;
cx = *proto;
numwanted = 0;
while (*cx >= '0' && *cx <= '9') {
numwanted = 10 * numwanted + (*cx - '0');
cx++;
}
for (argx = 0, ix = 0; argx < numwanted; argx++, ix++) {
char typeclass;
int skipval;
int isref, passin, passout, nullok, isarray, isretained, isreturn;
cx = read_prefix(cx, &isref, &isarray, &passin, &passout, &nullok,
&isretained, &isreturn);
typeclass = *cx;
cx++;
skipval = false;
if (isref) {
if (!isreturn && varglist[ix] == 0) {
if (!nullok)
error("Zero passed invalidly to Glk function.");
garglist[gargnum]._ptrflag = false;
gargnum++;
skipval = true;
} else {
garglist[gargnum]._ptrflag = true;
gargnum++;
}
}
if (!skipval) {
uint thisval = 0;
if (typeclass == '[') {
unparse_glk_args(splot, &cx, depth + 1, &gargnum, varglist[ix], passout);
} else if (isarray) {
/* definitely isref */
switch (typeclass) {
case 'C':
ReleaseCArray((char *)garglist[gargnum]._array, varglist[ix], varglist[ix + 1], passout);
gargnum++;
ix++;
gargnum++;
cx++;
break;
case 'I':
ReleaseIArray((uint *)garglist[gargnum]._array, varglist[ix], varglist[ix + 1], passout);
gargnum++;
ix++;
gargnum++;
cx++;
break;
case 'Q':
ReleasePtrArray((void **)garglist[gargnum]._array, varglist[ix], varglist[ix + 1], (*cx - 'a'), passout);
gargnum++;
ix++;
gargnum++;
cx++;
break;
default:
error("Illegal format string.");
break;
}
} else {
/* a plain value or a reference to one. */
if (isreturn || (depth > 0 && subpassout) || (isref && passout)) {
skipval = false;
} else {
skipval = true;
}
switch (typeclass) {
case 'I':
if (!skipval) {
if (*cx == 'u')
thisval = (uint)garglist[gargnum]._uint;
else if (*cx == 's')
thisval = (uint)garglist[gargnum]._sint;
else
error("Illegal format string.");
}
gargnum++;
cx++;
break;
case 'Q':
if (!skipval) {
opref = garglist[gargnum]._opaqueref;
if (opref) {
gidispatch_rock_t objrock = gidispatch_get_objrock(opref, *cx - 'a');
assert(objrock.ptr);
thisval = ((classref_t *)objrock.ptr)->id;
} else {
thisval = 0;
}
}
gargnum++;
cx++;
break;
case 'C':
if (!skipval) {
if (*cx == 'u')
thisval = (uint)garglist[gargnum]._uch;
else if (*cx == 's')
thisval = (uint)garglist[gargnum]._sch;
else if (*cx == 'n')
thisval = (uint)garglist[gargnum]._ch;
else
error("Illegal format string.");
}
gargnum++;
cx++;
break;
case 'S':
if (garglist[gargnum]._charstr)
ReleaseVMString(garglist[gargnum]._charstr);
gargnum++;
break;
#ifdef GLK_MODULE_UNICODE
case 'U':
if (garglist[gargnum]._unicharstr)
ReleaseVMUstring(garglist[gargnum]._unicharstr);
gargnum++;
break;
#endif /* GLK_MODULE_UNICODE */
default:
error("Illegal format string.");
break;
}
if (isreturn) {
*(splot->retval) = thisval;
} else if (depth > 0) {
/* Definitely not isref or isarray. */
if (subpassout)
WriteStructField(subaddress, ix, thisval);
} else if (isref) {
if (passout)
WriteMemory(varglist[ix], thisval);
}
}
} else {
/* We got a null reference, so we have to skip the format element. */
if (typeclass == '[') {
int numsubwanted, refdepth;
numsubwanted = 0;
while (*cx >= '0' && *cx <= '9') {
numsubwanted = 10 * numsubwanted + (*cx - '0');
cx++;
}
refdepth = 1;
while (refdepth > 0) {
if (*cx == '[')
refdepth++;
else if (*cx == ']')
refdepth--;
cx++;
}
} else if (typeclass == 'S' || typeclass == 'U') {
/* leave it */
} else {
cx++;
if (isarray)
ix++;
}
}
}
if (depth > 0) {
if (*cx != ']')
error("Illegal format string.");
cx++;
} else {
if (*cx != ':' && *cx != '\0')
error("Illegal format string.");
}
*proto = cx;
*argnumptr = gargnum;
}
