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First cut at improved undo

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This commit is contained in:
Atlante45 2014-04-15 16:11:00 -07:00
parent c323249039
commit dd02bae5b3
2 changed files with 70 additions and 18 deletions
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84
libraries/voxels/src/VoxelTreeCommands.cpp
View file

@ -17,8 +17,37 @@ AddVoxelCommand::AddVoxelCommand(VoxelTree* tree, VoxelDetail& voxel, VoxelEditP
QUndoCommand("Add Voxel", parent),
_tree(tree),
_packetSender(packetSender),
_voxel(voxel)
_voxel(voxel),
_oldTree(NULL)
{
VoxelTreeElement* element = _tree->getVoxelAt(_voxel.x, _voxel.y, _voxel.z, _voxel.s);
if (element) {
if (element->hasContent() && element->isLeaf()) {
// Do nothing, everything is in order
} else {
_oldTree = new VoxelTree();
_tree->copySubTreeIntoNewTree(element, _oldTree, true);
}
} else {
glm::vec3 point(_voxel.x + _voxel.s / 2.0f,
_voxel.y + _voxel.s / 2.0f,
_voxel.z + _voxel.s / 2.0f);
OctreeElement* element = _tree->getElementEnclosingPoint(point, Octree::Lock);
if (element) {
VoxelTreeElement* node = static_cast<VoxelTreeElement*>(element);
_voxel.x = node->getCorner().x;
_voxel.y = node->getCorner().y;
_voxel.z = node->getCorner().z;
_voxel.s = node->getScale();
_voxel.red = node->getColor()[0];
_voxel.green = node->getColor()[1];
_voxel.blue = node->getColor()[2];
}
}
}
AddVoxelCommand::~AddVoxelCommand() {
delete _oldTree;
}
void AddVoxelCommand::redo() {
@ -31,11 +60,17 @@ void AddVoxelCommand::redo() {
}
void AddVoxelCommand::undo() {
if (_tree) {
_tree->deleteVoxelAt(_voxel.x, _voxel.y, _voxel.z, _voxel.s);
}
if (_packetSender) {
_packetSender->queueVoxelEditMessages(PacketTypeVoxelErase, 1, &_voxel);
if (_oldTree) {
OctreeElement* element = _tree->getOrCreateChildElementAt(_voxel.x, _voxel.y, _voxel.z, _voxel.s);
qDebug() << _voxel.x << " " << _voxel.y << " " << _voxel.z << " " << _voxel.s;
_tree->copyFromTreeIntoSubTree(_oldTree, element);
} else {
if (_tree) {
_tree->deleteVoxelAt(_voxel.x, _voxel.y, _voxel.z, _voxel.s);
}
if (_packetSender) {
_packetSender->queueVoxelEditMessages(PacketTypeVoxelErase, 1, &_voxel);
}
}
}
@ -43,24 +78,37 @@ DeleteVoxelCommand::DeleteVoxelCommand(VoxelTree* tree, VoxelDetail& voxel, Voxe
QUndoCommand("Delete Voxel", parent),
_tree(tree),
_packetSender(packetSender),
_voxel(voxel)
_voxel(voxel),
_oldTree(NULL)
{
}
DeleteVoxelCommand::~DeleteVoxelCommand() {
delete _oldTree;
}
void DeleteVoxelCommand::redo() {
if (_tree) {
_tree->deleteVoxelAt(_voxel.x, _voxel.y, _voxel.z, _voxel.s);
}
if (_packetSender) {
_packetSender->queueVoxelEditMessages(PacketTypeVoxelErase, 1, &_voxel);
if (_oldTree) {
} else {
if (_tree) {
_tree->deleteVoxelAt(_voxel.x, _voxel.y, _voxel.z, _voxel.s);
}
if (_packetSender) {
_packetSender->queueVoxelEditMessages(PacketTypeVoxelErase, 1, &_voxel);
}
}
}
void DeleteVoxelCommand::undo() {
if (_tree) {
_tree->createVoxel(_voxel.x, _voxel.y, _voxel.z, _voxel.s, _voxel.red, _voxel.green, _voxel.blue);
if (_oldTree) {
} else {
if (_tree) {
_tree->createVoxel(_voxel.x, _voxel.y, _voxel.z, _voxel.s, _voxel.red, _voxel.green, _voxel.blue);
}
if (_packetSender) {
_packetSender->queueVoxelEditMessages(PacketTypeVoxelSet, 1, &_voxel);
}
}
if (_packetSender) {
_packetSender->queueVoxelEditMessages(PacketTypeVoxelSet, 1, &_voxel);
}
}
}

4
libraries/voxels/src/VoxelTreeCommands.h
View file

@ -23,6 +23,7 @@ class VoxelTree;
class AddVoxelCommand : public QUndoCommand {
public:
AddVoxelCommand(VoxelTree* tree, VoxelDetail& voxel, VoxelEditPacketSender* packetSender = NULL, QUndoCommand* parent = NULL);
~AddVoxelCommand();
virtual void redo();
virtual void undo();
@ -31,11 +32,13 @@ private:
VoxelTree* _tree;
VoxelEditPacketSender* _packetSender;
VoxelDetail _voxel;
VoxelTree* _oldTree;
};
class DeleteVoxelCommand : public QUndoCommand {
public:
DeleteVoxelCommand(VoxelTree* tree, VoxelDetail& voxel, VoxelEditPacketSender* packetSender = NULL, QUndoCommand* parent = NULL);
~DeleteVoxelCommand();
virtual void redo();
virtual void undo();
@ -44,6 +47,7 @@ private:
VoxelTree* _tree;
VoxelEditPacketSender* _packetSender;
VoxelDetail _voxel;
VoxelTree* _oldTree;
};
#endif // hifi_VoxelTreeCommands_h