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Milestone in SourceCallbacks and Keyboard callback trigger

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Updated SourceCallback class to accept cloning, reversing, and visitors for saving./loading. New mechanism in Source to listen to key triggers for launching SourceCallbacks. Saving and loading in SessionVisitor and SessionCreator.
This commit is contained in:
Bruno Herbelin
2022-01-30 00:25:08 +01:00
parent 3605ae14b5
commit 8404e0f670
17 changed files with 660 additions and 79 deletions
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116
SessionCreator.cpp
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@@ -25,6 +25,7 @@
#include "Primitives.h"
#include "Mesh.h"
#include "Source.h"
#include "SourceCallback.h"
#include "CloneSource.h"
#include "MediaSource.h"
#include "SessionSource.h"
@@ -899,6 +900,50 @@ void SessionLoader::visit (Source& s)
groups_sources_id_.push_back(idlist);
}
XMLElement* callbacksNode = sourceNode->FirstChildElement("Callbacks");
if (callbacksNode) {
// Loop over 'Callback' nodes
xmlCurrent_ = callbacksNode->FirstChildElement("Callback");
for ( ; xmlCurrent_ ; xmlCurrent_ = xmlCurrent_->NextSiblingElement()) {
// what key triggers the callback ?
int key = 0;
xmlCurrent_->QueryIntAttribute("key", &key);
// what type is the callback ?
uint type = 0;
xmlCurrent_->QueryUnsignedAttribute("type", &type);
// instanciate the callback of that type
SourceCallback *loadedcallback = nullptr;
switch (type) {
case SourceCallback::CALLBACK_ALPHA:
loadedcallback = new GotoAlpha;
break;
case SourceCallback::CALLBACK_LOOM:
loadedcallback = new Loom;
break;
case SourceCallback::CALLBACK_DEPTH:
loadedcallback = new GotoDepth;
break;
case SourceCallback::CALLBACK_GRAB:
loadedcallback = new Grab;
break;
case SourceCallback::CALLBACK_RESIZE:
loadedcallback = new Resize;
break;
case SourceCallback::CALLBACK_TURN:
loadedcallback = new Turn;
break;
}
// successfully created a callback of saved type
if (loadedcallback) {
// apply specific parameters
loadedcallback->accept(*this);
// add callback to source
s.setKeyCallback(key, loadedcallback);
}
}
}
// restore current
xmlCurrent_ = sourceNode;
}
@@ -1121,3 +1166,74 @@ void SessionLoader::visit (CloneSource& s)
s.setDelay(d);
}
void SessionLoader::visit (SourceCallback &)
{
}
void SessionLoader::visit (GotoAlpha &c)
{
float a = 0.f;
xmlCurrent_->QueryFloatAttribute("alpha", &a);
c.setAlpha(a);
}
void SessionLoader::visit (GotoDepth &c)
{
float d = 0.f;
xmlCurrent_->QueryFloatAttribute("depth", &d);
c.setDepth(d);
d = 0.f;
xmlCurrent_->QueryFloatAttribute("duration", &d);
c.setDuration(d);
}
void SessionLoader::visit (Loom &c)
{
float d = 0.f;
xmlCurrent_->QueryFloatAttribute("delta", &d);
c.setDelta(d);
d = 0.f;
xmlCurrent_->QueryFloatAttribute("duration", &d);
c.setDuration(d);
}
void SessionLoader::visit (Grab &c)
{
float dx = 0.f, dy = 0.f;
xmlCurrent_->QueryFloatAttribute("delta.x", &dx);
xmlCurrent_->QueryFloatAttribute("delta.y", &dy);
c.setDelta( glm::vec2(dx, dy) );
float d = 0.f;
xmlCurrent_->QueryFloatAttribute("duration", &d);
c.setDuration(d);
}
void SessionLoader::visit (Resize &c)
{
float dx = 0.f, dy = 0.f;
xmlCurrent_->QueryFloatAttribute("delta.x", &dx);
xmlCurrent_->QueryFloatAttribute("delta.y", &dy);
c.setDelta( glm::vec2(dx, dy) );
float d = 0.f;
xmlCurrent_->QueryFloatAttribute("duration", &d);
c.setDuration(d);
}
void SessionLoader::visit (Turn &c)
{
float d = 0.f;
xmlCurrent_->QueryFloatAttribute("delta", &d);
c.setDelta(d);
d = 0.f;
xmlCurrent_->QueryFloatAttribute("duration", &d);
c.setDuration(d);
}