void setRenderSystem(Ogre::RenderSystem* _render)
{
// отписываемся
if (mRenderSystem != nullptr)
{
mRenderSystem->removeListener(this);
mRenderSystem = nullptr;
}
mRenderSystem = _render;
// подписываемся на рендер евент
if (mRenderSystem != nullptr)
{
mRenderSystem->addListener(this);
// формат цвета в вершинах
Ogre::VertexElementType vertex_type = mRenderSystem->getColourVertexElementType();
if (vertex_type == Ogre::VET_COLOUR_ARGB)
mVertexFormat = VertexColourType::ColourARGB;
else if (vertex_type == Ogre::VET_COLOUR_ABGR)
mVertexFormat = VertexColourType::ColourABGR;
updateRenderInfo();
}
}
//------------------------------------------------------------------------------------------------
void DebugLines::draw()
{
if (_lines.empty())
{
mRenderOp.vertexData->vertexCount = 0;
return;
}
// Initialization stuff
mRenderOp.vertexData->vertexCount = _lines.size() * 2;
Ogre::VertexDeclaration *decl = mRenderOp.vertexData->vertexDeclaration;
Ogre::VertexBufferBinding *bind = mRenderOp.vertexData->vertexBufferBinding;
if (_vbuf.isNull())
{
decl->addElement(0, 0, VET_FLOAT3, VES_POSITION);
decl->addElement(0, 12, VET_COLOUR, VES_DIFFUSE);
_vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(0),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
bind->setBinding(0, _vbuf);
}
else
{
if (_vbuf->getNumVertices() != mRenderOp.vertexData->vertexCount)
{
bind->unsetAllBindings();
_vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(0),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
bind->setBinding(0, _vbuf);
}
}
// Drawing stuff
unsigned int size = (unsigned int)_lines.size();
Ogre::Vector3 vaabMin = _lines[0]._start;
Ogre::Vector3 vaabMax = _lines[0]._start;
float *prPos = static_cast<float*>(_vbuf->lock(HardwareBuffer::HBL_DISCARD));
Ogre::RenderSystem* rs = Root::getSingleton().getRenderSystem();
Ogre::VertexElementType vet = VET_COLOUR_ARGB;
if (rs)
vet = rs->getColourVertexElementType();
for(unsigned int i = 0; i < size; i++)
{
const DebugLine& line = _lines[i];
uint32 packedColor;
if (vet == VET_COLOUR_ARGB)
packedColor = line._color.getAsARGB();
else
packedColor = line._color.getAsABGR();
*prPos++ = line._start.x;
*prPos++ = line._start.y;
*prPos++ = line._start.z;
*((uint32*)prPos) = packedColor;
prPos++;
*prPos++ = line._end.x;
*prPos++ = line._end.y;
*prPos++ = line._end.z;
*((uint32*)prPos) = packedColor;
prPos++;
if (line._start.x < vaabMin.x)
vaabMin.x = line._start.x;
else if (line._start.x > vaabMax.x)
vaabMax.x = line._start.x;
if (line._start.y < vaabMin.y)
vaabMin.y = line._start.y;
else if (line._start.y > vaabMax.y)
vaabMax.y = line._start.y;
if (line._start.z < vaabMin.z)
vaabMin.z = line._start.z;
else if (line._start.z > vaabMax.z)
vaabMax.z = line._start.z;
if (line._end.x < vaabMin.x)
vaabMin.x = line._end.x;
else if (line._end.x > vaabMax.x)
vaabMax.x = line._end.x;
if (line._end.y < vaabMin.y)
vaabMin.y = line._end.y;
else if (line._end.y > vaabMax.y)
vaabMax.y = line._end.y;
if (line._end.z < vaabMin.z)
vaabMin.z = line._end.z;
else if (line._end.z > vaabMax.z)
vaabMax.z = line._end.z;
}
_vbuf->unlock();
mBox.setInfinite();
//mBox.Extents(vaabMin, vaabMax);
clear();
}