CEditableObject::~CEditableObject()
{
ClearGeometry();
}
void VoxelChunk::CreateMesh( UINT8* m_pBlocks, bool* _acted, unsigned int dimm )//lower corner
{
if (!_vao)
_vao = new VAO();
_dirty = false;
Color clr;
clr.comp[0] = 255;
clr.comp[1] = 255;
clr.comp[2] = 255;
clr.comp[3] = 255;
int h_dimm = dimm>>1;
const int _local_to_global_i = h_dimm + _lbl[0];
const int _local_to_global_j = h_dimm + _lbl[1];
const int _local_to_global_k = h_dimm + _lbl[2];
unsigned int num_created = 0;
unsigned int global_index = 0;
UINT8 tmp_res = 0;
unsigned int x, y;
for (unsigned int i = 0; i < size; i++)
{
x = (_local_to_global_i+i)*dimm*dimm;
for (unsigned int j = 0; j < size; j++)
{
y = (_local_to_global_j+j)*dimm;
for (unsigned int k = 0; k < size; k++)
{
tmp_res = EvaluateCell( m_pBlocks, _local_to_global_i+i, _local_to_global_j+j, _local_to_global_k+k, dimm );
if (tmp_res)
{
if ( _points == NULL )
{
CreateGeometry();
}
if (!_vbo)
_vbo = new VBO(_points, NULL, 0, _vertex_len );
global_index = ( x+ y + _local_to_global_k+k );;
//MapColor( &clr, m_pBlocks[global_index], false);
MapColor( &clr, m_pBlocks[global_index], _acted[global_index]);
_acted[global_index] = false;
clr.comp[3] = tmp_res;
SetColorForVoxel(i, j, k, &clr);
_renderable_indexes[num_created] = i*size*size + j*size + k;
++num_created;
}
}
}
}
_renderable_indexes_count = num_created;
if ( num_created )
{
_vbo->UpdateColorArray( _colors, _vertex_len );
_vbo->UpdateIndexArray( _renderable_indexes, _renderable_indexes_count );
_vao->bind( *_vbo );
}
else
{
if ( _points != NULL )
{
ClearGeometry();
}
ClearMesh();
}
}
VoxelChunk::~VoxelChunk()
{
ClearGeometry();
ClearMesh();
}
void ImposterNode::UpdateImposter()
{
Camera * camera = scene->GetCurrentCamera();
Camera * imposterCamera = new Camera();
Vector3 cameraPos = camera->GetPosition();
Entity * child = GetChild(0);
AABBox3 bbox = child->GetWTMaximumBoundingBoxSlow();
Vector3 bboxCenter = bbox.GetCenter();
imposterCamera->Setup(camera->GetFOV(), camera->GetAspect(), camera->GetZNear(), camera->GetZFar());
imposterCamera->SetTarget(bbox.GetCenter());
imposterCamera->SetPosition(cameraPos);
imposterCamera->SetUp(camera->GetUp());
imposterCamera->SetLeft(camera->GetLeft());
Rect viewport = RenderManager::Instance()->GetViewport();
const Matrix4 & mvp = imposterCamera->GetUniformProjModelMatrix();
AABBox3 screenBounds;
GetOOBBoxScreenCoords(child, mvp, screenBounds);
Vector4 pv(bboxCenter);
pv = pv*mvp;
pv.z = (pv.z/pv.w + 1.f) * 0.5f;
float32 bboxCenterZ = pv.z;
Vector2 screenSize = Vector2(screenBounds.max.x-screenBounds.min.x, screenBounds.max.y-screenBounds.min.y);
Vector3 screenBillboardVertices[4];
screenBillboardVertices[0] = Vector3(screenBounds.min.x, screenBounds.min.y, screenBounds.min.z);
screenBillboardVertices[1] = Vector3(screenBounds.max.x, screenBounds.min.y, screenBounds.min.z);
screenBillboardVertices[2] = Vector3(screenBounds.min.x, screenBounds.max.y, screenBounds.min.z);
screenBillboardVertices[3] = Vector3(screenBounds.max.x, screenBounds.max.y, screenBounds.min.z);
center = Vector3();
Matrix4 invMvp = mvp;
invMvp.Inverse();
for(int32 i = 0; i < 4; ++i)
{
//unproject
Vector4 out;
out.x = 2.f*(screenBillboardVertices[i].x-viewport.x)/viewport.dx-1.f;
out.y = 2.f*(screenBillboardVertices[i].y-viewport.y)/viewport.dy-1.f;
out.z = 2.f*screenBillboardVertices[i].z-1.f;
out.w = 1.f;
out = out*invMvp;
DVASSERT(out.w != 0.f);
out.x /= out.w;
out.y /= out.w;
out.z /= out.w;
imposterVertices[i] = Vector3(out.x, out.y, out.z);
center += imposterVertices[i];
}
center /= 4.f;
//draw
RecreateFbo(screenSize);
//Logger::Info("%f, %f", screenSize.x, screenSize.y);
if(!block)
{
return;
}
direction = camera->GetPosition()-center;
direction.Normalize();
distanceSquaredToCamera = (center-cameraPos).SquareLength();
float32 nearPlane = sqrtf(distanceSquaredToCamera);
//float32 farPlane = nearPlane + (bbox.max.z-bbox.min.z);
float32 w = (imposterVertices[1]-imposterVertices[0]).Length();
float32 h = (imposterVertices[2]-imposterVertices[0]).Length();
//TODO: calculate instead of +50
imposterCamera->Setup(-w/2.f, w/2.f, -h/2.f, h/2.f, nearPlane, nearPlane+50.f);
Rect oldViewport = RenderManager::Instance()->GetViewport();
//Texture * target = fbo->GetTexture();
RenderManager::Instance()->AppendState(RenderState::STATE_SCISSOR_TEST);
RenderManager::Instance()->State()->SetScissorRect(Rect(block->offset.x, block->offset.y, block->size.dx, block->size.dy));
RenderManager::Instance()->FlushState();
//TODO: use one "clear" function instead of two
//if(block->size.x == 512.f)
//{
// RenderManager::Instance()->ClearWithColor(0.f, .8f, 0.f, 1.f);
//}
//else if(block->size.x == 256.f)
//{
// RenderManager::Instance()->ClearWithColor(0.f, .3f, 0.f, 1.f);
//}
//else if(block->size.x == 128.f)
//{
// RenderManager::Instance()->ClearWithColor(.3f, .3f, 0.f, 1.f);
//}
//else
//{
// RenderManager::Instance()->ClearWithColor(.3f, 0.f, 0.f, 1.f);
//}
RenderManager::Instance()->ClearWithColor(.0f, .0f, 0.f, .0f);
RenderManager::Instance()->ClearDepthBuffer();
RenderManager::Instance()->RemoveState(RenderState::STATE_SCISSOR_TEST);
RenderManager::Instance()->SetViewport(Rect(block->offset.x, block->offset.y, block->size.dx, block->size.dy), true);
imposterCamera->SetTarget(center);
imposterCamera->Set();
//TODO: remove this call
HierarchicalRemoveCull(child);
RenderManager::Instance()->FlushState();
child->Draw();
RenderManager::Instance()->SetViewport(oldViewport, true);
isReady = true;
state = STATE_IMPOSTER;
//unproject
screenBillboardVertices[0] = Vector3(screenBounds.min.x, screenBounds.min.y, bboxCenterZ);
screenBillboardVertices[1] = Vector3(screenBounds.max.x, screenBounds.min.y, bboxCenterZ);
screenBillboardVertices[2] = Vector3(screenBounds.min.x, screenBounds.max.y, bboxCenterZ);
screenBillboardVertices[3] = Vector3(screenBounds.max.x, screenBounds.max.y, bboxCenterZ);
for(int32 i = 0; i < 4; ++i)
{
//unproject
Vector4 out;
out.x = 2.f*(screenBillboardVertices[i].x-viewport.x)/viewport.dx-1.f;
out.y = 2.f*(screenBillboardVertices[i].y-viewport.y)/viewport.dy-1.f;
out.z = 2.f*screenBillboardVertices[i].z-1.f;
out.w = 1.f;
out = out*invMvp;
DVASSERT(out.w != 0.f);
out.x /= out.w;
out.y /= out.w;
out.z /= out.w;
imposterVertices[i] = Vector3(out.x, out.y, out.z);
}
SafeRelease(imposterCamera);
ClearGeometry();
CreateGeometry();
}
