void KX_FontObject::AddMeshUser()
{
m_meshUser = new RAS_TextUser(m_pClient_info);
// set the part of the mesh slot that never change
float *fl = GetOpenGLMatrixPtr()->getPointer();
m_meshUser->SetMatrix(fl);
RAS_BucketManager *bucketManager = GetScene()->GetBucketManager();
bool created = false;
RAS_MaterialBucket *bucket = bucketManager->FindBucket(GetTextMaterial(), created);
// If the material bucket is just created then we add a new mesh slot.
if (created) {
RAS_TexVertFormat format;
format.uvSize = 1;
format.colorSize = 1;
bucket->NewMesh(NULL, NULL, format);
}
/* We copy the original mesh slot which is at the begin of the list, if it's not the case it
* doesn't matter as the mesh slot are all similar exepted their mesh user pointer which is
* set to NULL in copy. By copying instead of adding a mesh slot we reuse the same display
* array bucket.
*/
RAS_MeshSlot *ms = bucket->CopyMesh(*bucket->msBegin());
ms->SetMeshUser(m_meshUser);
ms->SetDeformer(NULL);
m_meshUser->AddMeshSlot(ms);
}
void KX_LightObject::Update()
{
GPULamp *lamp;
if((lamp = GetGPULamp()) != NULL && GetSGNode()) {
float obmat[4][4];
// lights don't get their openGL matrix updated, do it now
if (GetSGNode()->IsDirty())
GetOpenGLMatrix();
double *dobmat = GetOpenGLMatrixPtr()->getPointer();
for(int i=0; i<4; i++)
for(int j=0; j<4; j++, dobmat++)
obmat[i][j] = (float)*dobmat;
GPU_lamp_update(lamp, m_lightobj.m_layer, 0, obmat);
GPU_lamp_update_colors(lamp, m_lightobj.m_red, m_lightobj.m_green,
m_lightobj.m_blue, m_lightobj.m_energy);
}
}
bool KX_LightObject::ApplyLight(KX_Scene *kxscene, int oblayer, int slot)
{
KX_Scene* lightscene = (KX_Scene*)m_lightobj.m_scene;
float vec[4];
int scenelayer = ~0;
if(kxscene && kxscene->GetBlenderScene())
scenelayer = kxscene->GetBlenderScene()->lay;
/* only use lights in the same layer as the object */
if(!(m_lightobj.m_layer & oblayer))
return false;
/* only use lights in the same scene, and in a visible layer */
if(kxscene != lightscene || !(m_lightobj.m_layer & scenelayer))
return false;
// lights don't get their openGL matrix updated, do it now
if(GetSGNode()->IsDirty())
GetOpenGLMatrix();
MT_CmMatrix4x4& worldmatrix= *GetOpenGLMatrixPtr();
vec[0] = worldmatrix(0,3);
vec[1] = worldmatrix(1,3);
vec[2] = worldmatrix(2,3);
vec[3] = 1.0f;
if(m_lightobj.m_type==RAS_LightObject::LIGHT_SUN) {
vec[0] = worldmatrix(0,2);
vec[1] = worldmatrix(1,2);
vec[2] = worldmatrix(2,2);
//vec[0]= base->object->obmat[2][0];
//vec[1]= base->object->obmat[2][1];
//vec[2]= base->object->obmat[2][2];
vec[3]= 0.0;
glLightfv((GLenum)(GL_LIGHT0+slot), GL_POSITION, vec);
}
else {
//vec[3]= 1.0;
glLightfv((GLenum)(GL_LIGHT0+slot), GL_POSITION, vec);
glLightf((GLenum)(GL_LIGHT0+slot), GL_CONSTANT_ATTENUATION, 1.0);
glLightf((GLenum)(GL_LIGHT0+slot), GL_LINEAR_ATTENUATION, m_lightobj.m_att1/m_lightobj.m_distance);
// without this next line it looks backward compatible.
//attennuation still is acceptable
glLightf((GLenum)(GL_LIGHT0+slot), GL_QUADRATIC_ATTENUATION, m_lightobj.m_att2/(m_lightobj.m_distance*m_lightobj.m_distance));
if(m_lightobj.m_type==RAS_LightObject::LIGHT_SPOT) {
vec[0] = -worldmatrix(0,2);
vec[1] = -worldmatrix(1,2);
vec[2] = -worldmatrix(2,2);
//vec[0]= -base->object->obmat[2][0];
//vec[1]= -base->object->obmat[2][1];
//vec[2]= -base->object->obmat[2][2];
glLightfv((GLenum)(GL_LIGHT0+slot), GL_SPOT_DIRECTION, vec);
glLightf((GLenum)(GL_LIGHT0+slot), GL_SPOT_CUTOFF, m_lightobj.m_spotsize/2.0);
glLightf((GLenum)(GL_LIGHT0+slot), GL_SPOT_EXPONENT, 128.0*m_lightobj.m_spotblend);
}
else
glLightf((GLenum)(GL_LIGHT0+slot), GL_SPOT_CUTOFF, 180.0);
}
if (m_lightobj.m_nodiffuse) {
vec[0] = vec[1] = vec[2] = vec[3] = 0.0;
}
else {
vec[0]= m_lightobj.m_energy*m_lightobj.m_red;
vec[1]= m_lightobj.m_energy*m_lightobj.m_green;
vec[2]= m_lightobj.m_energy*m_lightobj.m_blue;
vec[3]= 1.0;
}
glLightfv((GLenum)(GL_LIGHT0+slot), GL_DIFFUSE, vec);
if(m_lightobj.m_nospecular)
{
vec[0] = vec[1] = vec[2] = vec[3] = 0.0;
}
else if (m_lightobj.m_nodiffuse) {
vec[0]= m_lightobj.m_energy*m_lightobj.m_red;
vec[1]= m_lightobj.m_energy*m_lightobj.m_green;
vec[2]= m_lightobj.m_energy*m_lightobj.m_blue;
vec[3]= 1.0;
}
glLightfv((GLenum)(GL_LIGHT0+slot), GL_SPECULAR, vec);
glEnable((GLenum)(GL_LIGHT0+slot));
return true;
}
