FGFS-4.1/simgear
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Use observer_ptr to cache light effects

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This commit is contained in:
Frederic Bouvier 2012-04-29 13:25:15 +02:00
parent dfc4b1564f
commit 87c744b88b
1 changed files with 15 additions and 9 deletions
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20
simgear/scene/model/SGLightAnimation.cxx
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@ -34,7 +34,7 @@
#include <boost/scoped_array.hpp>
#include <boost/foreach.hpp>
typedef std::map<string, osg::ref_ptr<simgear::Effect> > EffectMap;
typedef std::map<string, osg::observer_ptr<simgear::Effect> > EffectMap;
static EffectMap lightEffectMap;
#define GET_COLOR_VALUE(n) \
@ -60,9 +60,9 @@ public:
if (dim != _prev_values[_key]) {
_prev_values[_key] = dim;
osg::ref_ptr<simgear::Effect> effect;
EffectMap::iterator iter = lightEffectMap.find(_key);
if (iter != lightEffectMap.end()) {
simgear::Effect* effect = iter->second;
if (iter != lightEffectMap.end() && iter->second.lock(effect)) {
SGPropertyNode* params = effect->parametersProp;
params->getNode("ambient")->setValue(_ambient * dim);
params->getNode("diffuse")->setValue(_diffuse * dim);
@ -143,9 +143,9 @@ SGLightAnimation::install(osg::Node& node)
if (_light_type == "spot") {
simgear::Effect* effect = 0;
osg::ref_ptr<simgear::Effect> effect;
EffectMap::iterator iter = lightEffectMap.find(_key);
if (iter == lightEffectMap.end()) {
if (iter == lightEffectMap.end() || !iter->second.lock(effect)) {
SGPropertyNode_ptr effectProp = new SGPropertyNode;
makeChild(effectProp, "name")->setStringValue(_key);
makeChild(effectProp, "inherits-from")->setStringValue("Effects/light-spot");
@ -167,7 +167,10 @@ SGLightAnimation::install(osg::Node& node)
params->getNode("far",true)->setValue(_far);
effect = simgear::makeEffect(effectProp, true);
if (iter==lightEffectMap.end())
lightEffectMap.insert(EffectMap::value_type(_key, effect));
else
iter->second = effect;
} else {
effect = iter->second.get();
}
@ -187,9 +190,9 @@ SGLightAnimation::install(osg::Node& node)
}
else if (_light_type == "point") {
simgear::Effect* effect = 0;
osg::ref_ptr<simgear::Effect> effect;
EffectMap::iterator iter = lightEffectMap.find(_key);
if (iter == lightEffectMap.end()) {
if (iter == lightEffectMap.end() || !iter->second.lock(effect)) {
SGPropertyNode_ptr effectProp = new SGPropertyNode;
makeChild(effectProp, "name")->setStringValue(_key);
makeChild(effectProp, "inherits-from")->setStringValue("Effects/light-point");
@ -207,7 +210,10 @@ SGLightAnimation::install(osg::Node& node)
params->getNode("far",true)->setValue(_far);
effect = simgear::makeEffect(effectProp, true);
if (iter==lightEffectMap.end())
lightEffectMap.insert(EffectMap::value_type(_key, effect));
else
iter->second = effect;
} else {
effect = iter->second.get();
}