Added RenderTarget listeners

Moved Camera matrices assignation to RenderTechnique


Former-commit-id: c8a4ff4b35d40702f047fdfd3fdbc4e4fbbbb1a9

src/Nazara/Renderer/RenderTarget.cpp

@@ -6,13 +6,37 @@
 #include <Nazara/Renderer/Renderer.hpp>
 #include <Nazara/Renderer/Debug.hpp>
 
-NzRenderTarget::~NzRenderTarget() = default;
+NzRenderTarget::NzRenderTarget() :
+m_listenersLocked(false)
+{
+}
+
+NzRenderTarget::~NzRenderTarget()
+{
+	m_listenersLocked = true;
+	for (auto& pair : m_listeners)
+		pair.first->OnRenderTargetReleased(this, pair.second);
+}
+
+void NzRenderTarget::AddListener(Listener* listener, void* userdata) const
+{
+	NazaraError("What the");
+	if (!m_listenersLocked)
+		m_listeners.insert(std::make_pair(listener, userdata));
+	NazaraError("What the");
+}
 
 bool NzRenderTarget::IsActive() const
 {
 	return NzRenderer::GetTarget() == this;
 }
 
+void NzRenderTarget::RemoveListener(Listener* listener) const
+{
+	if (!m_listenersLocked)
+		m_listeners.erase(listener);
+}
+
 bool NzRenderTarget::SetActive(bool active)
 {
 	if (active)
@@ -27,3 +51,59 @@ void NzRenderTarget::Desactivate() const
 {
 	// Seuls les target sans contextes (ex: NzRenderTexture) nécessitent une désactivation
 }
+
+void NzRenderTarget::NotifyParametersChange()
+{
+	m_listenersLocked = true;
+
+	auto it = m_listeners.begin();
+	while (it != m_listeners.end())
+	{
+		if (!it->first->OnRenderTargetParametersChange(this, it->second))
+			m_listeners.erase(it++);
+		else
+			++it;
+	}
+
+	m_listenersLocked = false;
+}
+
+void NzRenderTarget::NotifySizeChange()
+{
+	m_listenersLocked = true;
+
+	auto it = m_listeners.begin();
+	while (it != m_listeners.end())
+	{
+		if (!it->first->OnRenderTargetSizeChange(this, it->second))
+			m_listeners.erase(it++);
+		else
+			++it;
+	}
+
+	m_listenersLocked = false;
+}
+
+NzRenderTarget::Listener::~Listener() = default;
+
+bool NzRenderTarget::Listener::OnRenderTargetParametersChange(const NzRenderTarget* renderTarget, void* userdata)
+{
+	NazaraUnused(renderTarget);
+	NazaraUnused(userdata);
+
+	return true;
+}
+
+void NzRenderTarget::Listener::OnRenderTargetReleased(const NzRenderTarget* renderTarget, void* userdata)
+{
+	NazaraUnused(renderTarget);
+	NazaraUnused(userdata);
+}
+
+bool NzRenderTarget::Listener::OnRenderTargetSizeChange(const NzRenderTarget* renderTarget, void* userdata)
+{
+	NazaraUnused(renderTarget);
+	NazaraUnused(userdata);
+
+	return true;
+}