Build: Fix empty install commands

Former-commit-id: 42abd0d02836ee466821da11bc34bbe4acc30389 [formerly 0031006522b6c8910fae4c7b72eaf05cda23dcea]
Former-commit-id: 11ed91151aa8db729bea196ca9705a6e60f260bb

SDK/include/NDK/Components/ParticleEmitterComponent.hpp

@@ -20,6 +20,7 @@ namespace Ndk
 
 			ParticleEmitterComponent(Nz::ParticleGroup* group);
 			ParticleEmitterComponent(const ParticleEmitterComponent& emitter);
+			ParticleEmitterComponent(ParticleEmitterComponent&& emitter);
 			~ParticleEmitterComponent();
 
 			inline bool IsActive() const;
@@ -31,8 +32,12 @@ namespace Ndk
 			static ComponentIndex componentIndex;
 
 		private:
+			void OnParticleGroupRelease(const Nz::ParticleGroup* particleGroup);
+
 			void SetupParticles(Nz::ParticleMapper& mapper, unsigned int count) const override;
 
+			NazaraSlot(Nz::ParticleGroup, OnParticleGroupRelease, m_particleGroupRelease);
+
 			SetupFunc m_setupFunc;
 			Nz::ParticleGroup* m_particleGroup;
 			bool m_isActive;

build/scripts/common.lua

@@ -693,8 +693,10 @@ function NazaraBuild:LoadConfig()
 
 	local paths = string.explode(self.Config["InstallDir"], ";")
 	for k,v in pairs(paths) do
+		if (#v > 0) then
 			self:AddInstallPath(v)
 		end
+	end
 end
 
 function NazaraBuild:MakeInstallCommands(infoTable)

include/Nazara/Graphics/ParticleEmitter.hpp

@@ -8,6 +8,7 @@
 #define NAZARA_PARTICLEEMITTER_HPP
 
 #include <Nazara/Prerequesites.hpp>
+#include <Nazara/Core/Signal.hpp>
 #include <Nazara/Graphics/Config.hpp>
 
 namespace Nz
@@ -20,7 +21,7 @@ namespace Nz
 		public:
 			ParticleEmitter();
 			ParticleEmitter(const ParticleEmitter& emitter) = default;
-			ParticleEmitter(ParticleEmitter&& emitter) = default;
+			ParticleEmitter(ParticleEmitter&& emitter);
 			virtual ~ParticleEmitter();
 
 			virtual void Emit(ParticleGroup& system, float elapsedTime) const;
@@ -36,7 +37,11 @@ namespace Nz
 			void SetEmissionRate(float rate);
 
 			ParticleEmitter& operator=(const ParticleEmitter& emitter) = default;
-			ParticleEmitter& operator=(ParticleEmitter&& emitter) = default;
+			ParticleEmitter& operator=(ParticleEmitter&& emitter);
+
+			// Signals:
+			NazaraSignal(OnParticleEmitterMove, const ParticleEmitter* /*oldParticleEmitter*/, const ParticleEmitter* /*newParticleEmitter*/);
+			NazaraSignal(OnParticleEmitterRelease, const ParticleEmitter* /*particleEmitter*/);
 
 		private:
 			virtual void SetupParticles(ParticleMapper& mapper, unsigned int count) const = 0;

include/Nazara/Graphics/ParticleGroup.hpp

@@ -8,6 +8,7 @@
 #define NAZARA_PARTICLEGROUP_HPP
 
 #include <Nazara/Prerequesites.hpp>
+#include <Nazara/Core/signal.hpp>
 #include <Nazara/Graphics/ParticleController.hpp>
 #include <Nazara/Graphics/ParticleDeclaration.hpp>
 #include <Nazara/Graphics/ParticleEmitter.hpp>
@@ -62,6 +63,9 @@ namespace Nz
 
 			ParticleGroup& operator=(const ParticleGroup& emitter);
 
+			// Signals:
+			NazaraSignal(OnParticleGroupRelease, const ParticleGroup* /*particleGroup*/);
+
 		private:
 			void MakeBoundingVolume() const override;
 			void ResizeBuffer();

src/Nazara/Graphics/ParticleEmitter.cpp

@@ -32,7 +32,19 @@ namespace Nz
 	{
 	}
 
-	ParticleEmitter::~ParticleEmitter() = default;
+	ParticleEmitter::ParticleEmitter(ParticleEmitter&& emitter) :
+	m_lagCompensationEnabled(emitter.m_lagCompensationEnabled),
+	m_emissionAccumulator(0.f),
+	m_emissionRate(emitter.m_emissionRate),
+	m_emissionCount(emitter.m_emissionCount)
+	{
+		OnParticleEmitterMove(&emitter, this);
+	}
+
+	ParticleEmitter::~ParticleEmitter()
+	{
+		OnParticleEmitterRelease(this);
+	}
 
 	/*!
 	* \brief Emits particles according to the delta time between the previous frame
@@ -141,4 +153,14 @@ namespace Nz
 	{
 		m_emissionRate = rate;
 	}
+
+	ParticleEmitter& ParticleEmitter::operator=(ParticleEmitter && emitter)
+	{
+		m_emissionCount = emitter.m_emissionCount;
+		m_emissionRate = emitter.m_emissionRate;
+		m_lagCompensationEnabled = emitter.m_lagCompensationEnabled;
+
+		OnParticleEmitterMove(&emitter, this);
+		return *this;
+	}
 }

src/Nazara/Graphics/ParticleGroup.cpp

@@ -77,7 +77,10 @@ namespace Nz
 		std::memcpy(m_buffer.data(), system.m_buffer.data(), system.m_particleCount*m_particleSize);
 	}
 
-	ParticleGroup::~ParticleGroup() = default;
+	ParticleGroup::~ParticleGroup()
+	{
+		OnParticleGroupRelease(this);
+	}
 
 	/*!
 	* \brief Adds a controller to the particles