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geobase.cpp
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geobase.cpp
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// This code is in the public domain. See LICENSE for details.
#include "stdafx.h"
#include "geobase.h"
#include "debug.h"
#include "WindowMapper.h"
#include "viewcomm.h"
#include "resource.h"
#include "DirectX.h"
#include "tstream.h"
#include "frOpGraph.h"
static frMaterial theDefaultMtrl;
static frMaterial* defaultMaterial = &theDefaultMtrl;
// ---- frMesh
static frMesh* firstStaticMesh = 0;
frMesh::frMesh()
{
vertices = 0;
indices = indices2 = 0;
primSelect = 0;
nVerts = nPrims = 0;
refCount = 0;
type = 0;
vFormat = 0;
vbs = 0;
ibs = 0;
lastDrawFrame = drawCount = 0;
nsm = psm = 0;
normAlias = 0;
subMesh = 0;
}
frMesh::frMesh(const frMesh &x)
{
nVerts = x.nVerts;
nPrims = x.nPrims;
vertices = new frVertex[nVerts];
indices = new sU16[nPrims * (3 - x.type)];
indices2 = 0;
primSelect = new sU8[nPrims];
refCount = 0;
type = x.type;
vFormat = x.vFormat;
vbs = 0;
ibs = 0;
lastDrawFrame = drawCount = 0;
nsm = psm = 0;
subMesh = 0;
memcpy(vertices, x.vertices, sizeof(frVertex) * nVerts);
memcpy(indices, x.indices, sizeof(sU16) * nPrims * (3 - type));
memcpy(primSelect, x.primSelect, nPrims);
if (x.normAlias)
{
normAlias = new sU16[nVerts];
memcpy(normAlias, x.normAlias, sizeof(sU16) * nVerts);
}
else
normAlias = 0;
bRadius = x.bRadius;
bPos = x.bPos;
}
frMesh::~frMesh()
{
FRDASSERT(refCount == 0);
FRSAFEDELETEA(vertices);
FRSAFEDELETEA(indices);
FRSAFEDELETEA(indices2);
FRSAFEDELETEA(primSelect);
FRSAFEDELETEA(normAlias);
if (subMesh)
{
subMesh->release();
subMesh = 0;
}
killStaticBuffers();
}
void frMesh::resize(sU32 verts, sU32 prims)
{
killStaticBuffers();
if (verts != nVerts)
{
FRSAFEDELETEA(vertices);
FRSAFEDELETEA(normAlias);
nVerts = verts;
vertices = new frVertex[nVerts];
}
if (prims != nPrims)
{
FRSAFEDELETEA(indices);
FRSAFEDELETEA(indices2);
FRSAFEDELETEA(primSelect);
nPrims = prims;
indices = new sU16[nPrims * (3 - type)];
primSelect = new sU8[nPrims];
}
if (subMesh)
{
subMesh->release();
subMesh = 0;
}
}
void frMesh::addRef()
{
refCount++;
}
void frMesh::release()
{
FRDASSERT(refCount != 0);
if (--refCount == 0)
delete this;
}
void frMesh::toVertexBuffer(void* dest) const
{
const frVertex* src = vertices;
sF32* dst = (sF32*) dest;
if (vFormat == 0) // pos+norm+uv
{
for (sInt i = 0; i < nVerts; i++)
{
*dst++ = src->pos.x;
*dst++ = src->pos.y;
*dst++ = src->pos.z;
*dst++ = src->norm.x;
*dst++ = src->norm.y;
*dst++ = src->norm.z;
*dst++ = src->uvw.x;
*dst++ = src->uvw.y;
src++;
}
}
else // pos+diffuse+2x uv
{
for (sInt i = 0; i < nVerts; i++)
{
*dst++ = src->pos.x;
*dst++ = src->pos.y;
*dst++ = src->pos.z;
*dst++ = (sF32&) src->color;
*dst++ = src->uvw.x;
*dst++ = src->uvw.y;
*dst++ = 0.0f; // 2nd uv set defaults to 0 for now.
*dst++ = 0.0f;
src++;
}
}
}
void frMesh::convertToStaticBuffers() const
{
if (vbs || ibs)
return;
static const sU32 vertFormats[]={ D3DFVF_XYZ|D3DFVF_NORMAL|D3DFVF_TEX1, D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX2 };
const sU32 nInds = nPrims * (3 - type);
fvs::vbSlice* vb = new fvs::vbSlice(nVerts, sFALSE, vertFormats[vFormat]);
fvs::ibSlice* ib = new fvs::ibSlice(nInds, sFALSE);
toVertexBuffer(vb->lock());
memcpy(ib->lock(), indices, nInds*sizeof(sU16));
vb->unlock();
ib->unlock();
vbs = vb;
ibs = ib;
if (vbs && ibs)
{
psm = 0;
nsm = firstStaticMesh;
if (nsm)
nsm->psm = const_cast<frMesh*>(this);
firstStaticMesh = const_cast<frMesh*>(this);
}
}
void frMesh::killStaticBuffers() const
{
if (vbs && ibs)
{
if (psm)
psm->nsm = nsm;
else
firstStaticMesh = nsm;
if (nsm)
nsm->psm = psm;
delete (fvs::vbSlice*) vbs;
delete (fvs::ibSlice*) ibs;
vbs = 0;
ibs = 0;
}
drawCount = 0;
}
void frMesh::killAllStaticBuffers()
{
for (frMesh* t = firstStaticMesh, *t2 = 0; t; t = t2)
{
t2 = t->nsm;
t->killStaticBuffers();
}
}
void frMesh::killOldStaticBuffers(sU32 current, sU32 delta)
{
for (frMesh* t = firstStaticMesh, *t2 = 0; t; t = t2)
{
t2 = t->nsm;
if (current - t->lastDrawFrame >= delta)
t->killStaticBuffers();
}
}
void frMesh::transform(const fr::matrix &mtx, const fr::matrix &texmtx, sInt texMode)
{
fr::matrix onorm;
killStaticBuffers();
onorm.invTrans3x3(mtx);
for (sInt i = 0; i < nVerts; i++)
{
vertices[i].pos *= mtx;
vertices[i].norm *= onorm;
vertices[i].norm.norm();
if (texMode != 0)
vertices[i].uvw *= texmtx;
}
calcBoundingSphere();
}
void frMesh::calcBoundingSphere() // nach jack ritter
{
if (!nVerts || type == 3)
return;
fr::vector abMin=vertices[0].pos, abMax=vertices[0].pos;
sInt inds[6], i;
bRadius=0.0f;
bPos=vertices[0].pos;
for (i=0; i<6; i++)
inds[i]=0;
for (i=1; i<nVerts; i++)
{
const fr::vector &pos=vertices[i].pos;
for (sInt j=0; j<3; j++)
{
if (pos.v[j]<abMin.v[j])
{
abMin.v[j]=pos.v[j];
inds[j*2+0]=i;
}
else if (pos.v[j]>abMax.v[j])
{
abMax.v[j]=pos.v[j];
inds[j*2+1]=i;
}
}
}
for (sInt j=0; j<3; j++)
{
const fr::vector &lo=vertices[inds[j*2+0]].pos;
const fr::vector &hi=vertices[inds[j*2+1]].pos;
const sF32 radius=(lo-hi).len()*0.5f;
if (radius>bRadius)
{
bPos.add(lo, hi);
bPos.scale(0.5f);
bRadius=radius;
}
}
sF32 rr=bRadius*bRadius;
for (i=0; i<nVerts; i++)
{
const fr::vector &pos=vertices[i].pos;
const sF32 distSquare=(pos.x-bPos.x)*(pos.x-bPos.x)+(pos.y-bPos.y)*(pos.y-bPos.y)+(pos.z-bPos.z)*(pos.z-bPos.z);
if (distSquare>rr)
{
const sF32 dist=sqrt(distSquare);
const sF32 newRadius=(dist+bRadius)*0.5f;
const sF32 ratio=(newRadius-bRadius)/dist;
bRadius=newRadius;
rr=bRadius*bRadius;
bPos.scale(1.0f-ratio);
bPos.addscale(pos, ratio);
}
}
bRadius+=bRadius*1e-3f;
#ifdef _DEBUG
rr=bRadius*bRadius;
for (i=0; i<nVerts; i++)
{
const sF32 dist=(vertices[i].pos-bPos).lenSq();
FRDASSERT(dist <= rr);
}
#endif
}
void frMesh::calcTangents()
{
sInt i;
for (i = 0; i < nVerts; i++)
vertices[i].tangent.set(0.0f, 0.0f, 0.0f);
for (i = 0; i < nPrims*3; i += 3)
{
const sInt ind0 = indices[i + 0];
const sInt ind1 = indices[i + 1];
const sInt ind2 = indices[i + 2];
frVertex* vt0 = vertices + ind0;
frVertex* vt1 = vertices + ind1;
frVertex* vt2 = vertices + ind2;
for (sInt j=0; j<3; j++)
{
fr::vector edge1, edge2, cp;
edge1.set(vt1->pos.v[j] - vt0->pos.v[j], vt1->uvw.x - vt0->uvw.x, vt1->uvw.y - vt0->uvw.y);
edge2.set(vt2->pos.v[j] - vt0->pos.v[j], vt2->uvw.x - vt0->uvw.x, vt2->uvw.y - vt0->uvw.y);
cp.cross(edge1, edge2);
if (fabs(cp.x) > 1e-6f)
{
const sF32 ivx = -1.0f / cp.x;
const sF32 yd = cp.y * ivx;
vt0->tangent.v[j] += yd;
vt1->tangent.v[j] += yd;
vt2->tangent.v[j] += yd;
}
}
}
for (i = 0; i < nVerts; i++)
vertices[i].tangent.norm();
}
void frMesh::dumbNormals(sBool eliminateSeams)
{
sInt i;
for (i = 0; i < nVerts; i++)
vertices[i].norm.set(0.0f, 0.0f, 0.0f);
if (!normAlias)
eliminateSeams = sFALSE;
sU16* inds = indices;
for (i = nPrims; i; i--, inds += 3)
{
sU16 i0 = inds[0], i1 = inds[1], i2 = inds[2];
if (eliminateSeams)
{
i0 = normAlias[i0];
i1 = normAlias[i1];
i2 = normAlias[i2];
}
frVertex* vt0 = vertices + i0;
frVertex* vt1 = vertices + i1;
frVertex* vt2 = vertices + i2;
fr::vector d1, d2, n;
d1.sub(vt1->pos, vt0->pos);
d2.sub(vt2->pos, vt0->pos);
n.cross(d1, d2);
n.norm();
vt0->norm.add(n);
vt1->norm.add(n);
vt2->norm.add(n);
}
for (i = 0; i < nVerts; i++)
{
vertices[i].norm.norm();
if (eliminateSeams)
vertices[i].norm = vertices[normAlias[i]].norm;
}
}
void frMesh::invertCulling()
{
if (type != 0) // no trimesh? no invert cull then
return;
sU16* ind = indices;
for (sInt i = 0; i < nPrims; i++)
{
sU16 t = ind[0];
ind[0] = ind[2];
ind[2] = t;
ind += 3;
}
}
// ---- frMaterial
frMaterial::frMaterial()
{
// clear texture stages
for (sInt i = 0; i < 2; i++)
{
textureRef[i] = 0;
texPointer[i] = 0;
uAddressMode[i] = 0; // tile
vAddressMode[i] = 0; // tile
filterMode[i] = 3; // bilinear+mipmap
coordMode[i] = 0; // no coord generation
}
// clear global values
alphaMode = 0; // alpha disable
zMode = 3; // read/write
renderPass = -1; // default render pass
cullMode = 0; // culling enabled
sortMode = 0; // sorting disabled
dynLightMode = 0; // dynamic lighting enabled
opSt2 = 0; // stage2 disabled
alphaSt2 = 0;
dScaleX = 1.0f; // detail scale 1
dScaleY = 1.0f;
// clear internal values
refCount = 1; // reference count
mapFrameCounter = 0; // last frame in which mapping was updated
}
frMaterial::frMaterial(const frMaterial& x)
{
copyMaterial(x);
refCount = 1;
}
frMaterial &frMaterial::operator =(const frMaterial& x)
{
copyMaterial(x);
return *this;
}
bool frMaterial::operator == (const frMaterial& x) const
{
return compare(x) == 0;
}
bool frMaterial::operator < (const frMaterial& x) const
{
return compare(x) < 0;
}
void frMaterial::addRef() const
{
refCount++;
}
void frMaterial::release() const
{
if (--refCount == 0)
delete this;
}
void frMaterial::copyMaterial(const frMaterial& x)
{
// copy texture stages
for (sInt i = 0; i < 2; i++)
{
textureRef[i] = x.textureRef[i];
texPointer[i] = 0;
uAddressMode[i] = x.uAddressMode[i];
vAddressMode[i] = x.vAddressMode[i];
filterMode[i] = x.filterMode[i];
coordMode[i] = x.coordMode[i];
}
// copy global values
alphaMode = x.alphaMode;
zMode = x.zMode;
renderPass = x.renderPass;
cullMode = x.cullMode;
sortMode = x.sortMode;
dynLightMode = x.dynLightMode;
opSt2 = x.opSt2;
alphaSt2 = x.alphaSt2;
dScaleX = x.dScaleX;
dScaleY = x.dScaleY;
pMatrix = x.pMatrix;
mapFrameCounter = 0;
}
sInt frMaterial::compare(const frMaterial& x) const
{
sInt dif;
sF32 difF;
// compare per-stage values
for (sInt i = 0; i < 2; i++)
{
if ((dif = textureRef[i] - x.textureRef[i])) return dif;
if ((dif = uAddressMode[i] - x.uAddressMode[i])) return dif;
if ((dif = vAddressMode[i] - x.vAddressMode[i])) return dif;
if ((dif = filterMode[i] - x.filterMode[i])) return dif;
if ((dif = coordMode[i] - x.coordMode[i])) return dif;
}
// compare global values
if ((dif = alphaMode - x.alphaMode)) return dif;
if ((dif = zMode - x.zMode)) return dif;
if ((dif = renderPass - x.renderPass)) return dif;
if ((dif = cullMode - x.cullMode)) return dif;
if ((dif = sortMode - x.sortMode)) return dif;
if ((dif = dynLightMode - x.dynLightMode)) return dif;
if ((dif = opSt2 - x.opSt2)) return dif;
if ((dif = alphaSt2 - x.alphaSt2)) return dif;
if ((difF = dScaleX - x.dScaleX)) return (difF < 0) ? -1 : 1;
if ((difF = dScaleY - x.dScaleY)) return (difF < 0) ? -1 : 1;
return 0;
}
fr::streamWrapper& operator << (fr::streamWrapper& strm, frMaterial& m)
{
sU16 ver = 12;
strm << ver;
// importer code (yeah baby)
if (ver >= 1 && ver <= 11)
{
sChar buf[256];
sU8 len=0;
strm << len;
for (sInt i = 0; i < len; i++)
strm << buf[i];
buf[len] = 0;
g_graph->loadRegisterLink(buf, 0, 0);
if (ver==1)
{
sInt mode = m.uAddressMode[0];
strm << mode;
m.uAddressMode[0] = m.vAddressMode[0] = mode;
}
else
strm << m.uAddressMode[0] << m.vAddressMode[0];
strm << m.filterMode[0];
if (ver == 3 || ver >= 5)
strm << m.alphaMode;
else
m.alphaMode = 0;
if (ver >= 4)
strm << m.renderPass;
else
m.renderPass = 0;
if (ver >= 6)
strm << m.coordMode[0];
else
m.coordMode[0] = 0; // uv
if (ver >= 7)
{
strm << len;
for (sInt i = 0; i < len; i++)
strm << buf[i];
buf[len] = 0;
g_graph->loadRegisterLink(buf, 12, 0);
strm << m.opSt2;
strm << m.uAddressMode[1] << m.vAddressMode[1];
strm << m.filterMode[1];
strm << m.alphaSt2 << m.coordMode[1];
strm << m.dScaleX << m.dScaleY;
sF32 dDist;
strm << dDist;
}
else
{
m.opSt2 = 0; // disable
m.alphaSt2 = 0; // disable
m.uAddressMode[1] = 0; // tile
m.vAddressMode[1] = 0; // tile
m.filterMode[1] = 3; // bilinear+mip
m.coordMode[1] = 0; // detail
m.dScaleX = 4.0f; // default scale
m.dScaleY = 4.0f;
}
if (ver >= 8 && ver <= 9)
{
m.zMode = 3; // read/write
sInt zWriteMode;
strm << zWriteMode;
if (zWriteMode)
m.zMode ^= 1;
}
else if (ver >= 10)
strm << m.zMode;
else
m.zMode = 3;
if (ver>=10)
strm << m.cullMode;
else
m.cullMode = 0; // normal cull
if (ver >= 10)
strm << m.sortMode;
else
m.sortMode = 0; // don't sort
if (m.sortMode > 1)
m.sortMode = 1;
if (ver <= 9) // translate old alpha modes
{
if (m.alphaMode)
{
if (m.alphaMode != 3) // not add front?
m.sortMode = 1; // then sort
else
m.renderPass = 7;
if (m.alphaMode >= 3)
m.alphaMode--;
m.cullMode = 2; // disable cull
}
}
if (ver >= 9)
strm << m.dynLightMode;
else
m.dynLightMode = 0;
if (ver <= 10)
{
if (m.renderPass == 0)
m.renderPass = -1;
if (m.cullMode > 0)
m.cullMode--;
}
}
// the actual loading code (kinda simple in comparision, huh?)
if (ver == 12)
{
strm << m.textureRef[0] << m.uAddressMode[0] << m.vAddressMode[0];
strm << m.filterMode[0] << m.alphaMode << m.renderPass;
strm << m.coordMode[0] << m.textureRef[1] << m.opSt2;
strm << m.uAddressMode[1] << m.vAddressMode[1] << m.filterMode[1];
strm << m.alphaSt2 << m.coordMode[1] << m.dScaleX << m.dScaleY;
strm << m.zMode << m.cullMode << m.sortMode << m.dynLightMode;
}
return strm;
}
// ---- frObject
frObject::frObject()
{
mesh = 0;
transform.identity();
texTransform.identity();
textureMode = 0; // direct
material = defaultMaterial;
defaultMaterial->addRef();
nullTransform = sTRUE;
flipCull = sFALSE;
renderPass = 0;
}
frObject::frObject(const frObject& x)
{
mesh = 0;
material = 0;
setMesh(x.mesh);
transform = x.transform;
texTransform = x.texTransform;
textureMode = x.textureMode;
setMaterial(x.material);
nullTransform = x.nullTransform;
flipCull = x.flipCull;
renderPass = x.renderPass;
updateBounds();
}
frObject::~frObject()
{
setMesh(0);
material->release();
material = 0;
}
frObject& frObject::operator =(const frObject& x)
{
if (&x == this)
return *this;
setMesh(x.mesh);
setMaterial(x.material);
transform = x.transform;
texTransform = x.texTransform;
textureMode = x.textureMode;
nullTransform = x.nullTransform;
flipCull = x.flipCull;
renderPass = x.renderPass;
updateBounds();
return *this;
}
void frObject::updateBounds()
{
bRadius = 0.0f;
if (mesh)
{
bRadius = mesh->bRadius; // start from mesh radius
sF32 scc = 0.0f;
const fr::matrix& m = transform;
for (sInt i = 0; i < 3; i++) // compute largest scaling value from matrix
{
const sF32 scd = m(0,i) * m(0,i) + m(1,i) * m(1,i) + m(2,i) * m(2,i);
if (scd > scc)
scc = scd;
}
// scale radius
bRadius *= sqrt(scc);
// bsphere center=mesh center*transform
bPos = mesh->bPos * transform;
}
flipCull = transform.det3x3() < 0;
}
void frObject::reset()
{
setMesh(0);
transform.identity();
texTransform.identity();
textureMode = 0; // direct
setMaterial(defaultMaterial);
nullTransform = sTRUE;
flipCull = sFALSE;
renderPass = 0;
}
frMesh* frObject::createMesh()
{
setMesh(new frMesh);
return mesh;
}
void frObject::setMesh(frMesh* msh)
{
if (mesh != msh)
{
if (msh)
msh->addRef();
if (mesh)
mesh->release();
mesh = msh;
}
updateBounds();
}
void frObject::setMaterial(frMaterial* mtrl)
{
FRDASSERT(mtrl && material);
mtrl->addRef();
material->release();
material = mtrl;
}
void frObject::hardClone(const frObject& x)
{
if (&x == this)
return;
if (x.mesh)
{
setMesh(new frMesh(*x.mesh));
if (!x.nullTransform)
mesh->transform(x.transform, x.texTransform, x.textureMode);
if (x.flipCull)
mesh->invertCulling();
}
else
setMesh(0);
transform.identity();
texTransform.identity();
textureMode = 0;
setMaterial(x.material);
if (material->coordMode[0] != 0) // not using direct uv? then copy texture matrix etc.
{
texTransform = x.texTransform;
textureMode = x.textureMode;
}
nullTransform = sTRUE;
flipCull = sFALSE;
renderPass = x.renderPass;
updateBounds();
}
// ---- frModel
frModel::frModel()
: lightCount(0), objects(0), virtObjects(0), nObjects(0), nAllocObjects(0), nVirtObjects(0)
{
}
frModel::~frModel()
{
if (objects)
delete[] objects;
if (virtObjects)
delete[] virtObjects;
}
void frModel::createObjects(sInt nobj, sInt nvobj)
{
if (nobj != nAllocObjects)
{
if (objects)
delete[] objects;
objects = new frObject[nobj];
nObjects = nAllocObjects = nobj;
}
else
{
nObjects = nobj;
for (sInt i = 0; i < nObjects; i++)
objects[i].reset();
}
if (nvobj != nVirtObjects)
{
if (virtObjects)
delete[] virtObjects;
virtObjects = new frObject[nvobj];
nVirtObjects = nvobj;
}
else
{
for (sInt i = 0; i < nVirtObjects; i++)
virtObjects[i].reset();
}
}
void frModel::cloneObject(const frObject& x, sInt ind, sBool cloneHard)
{
FRDASSERT(ind < nObjects);
if (!cloneHard)
objects[ind] = x;
else
objects[ind].hardClone(x);
}
sInt frModel::cloneModel(const frModel& x, sInt startInd, sBool cloneHard)
{
const sInt count = x.nObjects;
for (sInt i = 0; i < count; i++)
cloneObject(x.objects[i], startInd + i, cloneHard);
cloneModelLights(x);
return count;
}
void frModel::cloneModelLights(const frModel& x)
{
for (sInt i = 0; i < x.lightCount; i++)
{
if (lightCount >= 8)
break;
lights[lightCount++] = x.lights[i];
}
}
void frModel::transformLights(const fr::matrix& mtx)
{
fr::matrix temp = mtx;
temp(3,0) = temp(3,1) = temp(3,2) = 0.0f;
for (sInt i = 0; i < lightCount; i++)
{
lights[i].pos.transform(mtx);
lights[i].dir.transform(temp);
lights[i].dir.norm();
}
}
// ---- frGeometryPlugin
frGeometryPlugin::frGeometryPlugin(const frPluginDef* d, sInt nLinks)
: frPlugin(d, nLinks)
{
if (!def->isNop)
data = new frModel;
else
data = 0;
dirty = sTRUE;
}
frGeometryPlugin::~frGeometryPlugin()