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tweaks to view frustum delta code

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This commit is contained in:
ZappoMan 2013-05-14 11:10:40 -07:00
parent 2c1518144a
commit 062c1b4c64
2 changed files with 22 additions and 12 deletions
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29
voxel-server/src/VoxelAgentData.cpp
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@ -51,23 +51,30 @@ VoxelAgentData* VoxelAgentData::clone() const {
return new VoxelAgentData(*this);
}
void VoxelAgentData::updateViewFrustum() {
// save our currentViewFrustum into our lastKnownViewFrustum
_lastKnownViewFrustum = _currentViewFrustum;
bool VoxelAgentData::updateCurrentViewFrustum() {
bool currentViewFrustumChanged = false;
ViewFrustum newestViewFrustum;
// get position and orientation details from the camera
_currentViewFrustum.setPosition(getCameraPosition());
_currentViewFrustum.setOrientation(getCameraDirection(), getCameraUp(), getCameraRight());
newestViewFrustum.setPosition(getCameraPosition());
newestViewFrustum.setOrientation(getCameraDirection(), getCameraUp(), getCameraRight());
// Also make sure it's got the correct lens details from the camera
_currentViewFrustum.setFieldOfView(getCameraFov());
_currentViewFrustum.setAspectRatio(getCameraAspectRatio());
_currentViewFrustum.setNearClip(getCameraNearClip());
_currentViewFrustum.setFarClip(getCameraFarClip());
newestViewFrustum.setFieldOfView(getCameraFov());
newestViewFrustum.setAspectRatio(getCameraAspectRatio());
newestViewFrustum.setNearClip(getCameraNearClip());
newestViewFrustum.setFarClip(getCameraFarClip());
// if there has been a change, then recalculate
if (!_lastKnownViewFrustum.matches(_currentViewFrustum)) {
if (!newestViewFrustum.matches(_currentViewFrustum)) {
_currentViewFrustum = newestViewFrustum;
_currentViewFrustum.calculate();
currentViewFrustumChanged = true;
}
return currentViewFrustumChanged;
}
void VoxelAgentData::updateLastKnownViewFrustum() {
// save our currentViewFrustum into our lastKnownViewFrustum
_lastKnownViewFrustum = _currentViewFrustum;
}

5
voxel-server/src/VoxelAgentData.h
View file

@ -44,7 +44,10 @@ public:
ViewFrustum& getCurrentViewFrustum() { return _currentViewFrustum; };
ViewFrustum& getLastKnownViewFrustum() { return _lastKnownViewFrustum; };
void updateViewFrustum();
// These are not classic setters because they are calculating and maintaining state
// which is set asynchronously through the network receive
bool updateCurrentViewFrustum();
void updateLastKnownViewFrustum();
private:
unsigned char* _voxelPacket;