Graphics: Rename ParticleSystem to ParticleGroup

Preparing for integration into the ECS Former-commit-id: dbed63966f6c5e888a8b4f1c8f804c98d1c75458 [formerly cb6fa165276003b8d68932a95632025794557682] Former-commit-id: ebce6b98f3e2ef8c5fc8d598b6cdc9e96fd0becc
2016-07-29 13:24:19 +02:00
parent 7c7658a48c
commit 44bec7f44b
9 changed files with 66 additions and 66 deletions
--- a/tests/Engine/Graphics/ParticleGroup.cpp
+++ b/tests/Engine/Graphics/ParticleGroup.cpp
@@ -0,0 +1,103 @@
+#include <Nazara/Graphics/ParticleGroup.hpp>
+#include <Catch/catch.hpp>
+
+#include <Nazara/Core/SparsePtr.hpp>
+#include <Nazara/Graphics/ParticleMapper.hpp>
+
+class TestParticleController : public Nz::ParticleController
+{
+	public:
+		// Be aware that the interval is [startId, endId] and NOT [startId, endId)
+		void Apply(Nz::ParticleGroup& system, Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, float elapsedTime) override
+		{
+			Nz::SparsePtr<Nz::Vector3f> positionPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Position);
+			Nz::SparsePtr<Nz::Vector3f> velocityPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Velocity);
+			Nz::SparsePtr<float> lifePtr = mapper.GetComponentPtr<float>(Nz::ParticleComponent_Life);
+
+			for (unsigned int i = startId; i <= endId; ++i)
+			{
+				Nz::Vector3f& particlePosition = positionPtr[i];
+				Nz::Vector3f& particleVelocity = velocityPtr[i];
+				float& particleLife = lifePtr[i];
+
+				particleLife -= elapsedTime;
+				if (particleLife <= 0.f)
+					system.KillParticle(i);
+			}
+		}
+};
+
+class TestParticleEmitter : public Nz::ParticleEmitter
+{
+	public:
+		~TestParticleEmitter() override = default;
+
+		void Emit(Nz::ParticleGroup& system, float elapsedTime) const override
+		{
+			system.GenerateParticles(GetEmissionCount());
+		}
+
+	private:
+		void SetupParticles(Nz::ParticleMapper& mapper, unsigned int count) const override
+		{
+		}
+};
+
+class TestParticleGenerator : public Nz::ParticleGenerator
+{
+	public:
+		~TestParticleGenerator() override = default;
+
+		// Be aware that the interval is [startId, endId] and NOT [startId, endId)
+		void Generate(Nz::ParticleGroup& system, Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId) override
+		{
+			Nz::SparsePtr<Nz::Vector3f> positionPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Position);
+			Nz::SparsePtr<Nz::Vector3f> velocityPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Velocity);
+			Nz::SparsePtr<float> lifePtr = mapper.GetComponentPtr<float>(Nz::ParticleComponent_Life);
+
+			for (unsigned int i = startId; i <= endId; ++i)
+			{
+				Nz::Vector3f& particlePosition = positionPtr[i];
+				Nz::Vector3f& particleVelocity = velocityPtr[i];
+				float& particleLife = lifePtr[i];
+
+				particlePosition = Nz::Vector3f::Zero();
+				particleVelocity = Nz::Vector3f::UnitX();
+				particleLife = 1.3f;
+			}
+		}
+};
+
+SCENARIO("ParticleGroup", "[GRAPHICS][PARTICLEGROUP]")
+{
+	GIVEN("A particle system of maximum 10 billboards with its generators")
+	{
+		// These need to be alive longer than the particle system
+		TestParticleController particleController;
+		TestParticleGenerator particleGenerator;
+		Nz::ParticleGroup particleGroup(10, Nz::ParticleLayout_Billboard);
+
+		particleGroup.AddController(&particleController);
+		TestParticleEmitter particleEmitter;
+		particleEmitter.SetEmissionCount(10);
+		particleGroup.AddEmitter(&particleEmitter);
+
+		particleGroup.AddGenerator(&particleGenerator);
+
+		WHEN("We update to generate 10 particles")
+		{
+			particleGroup.Update(1.f);
+
+			THEN("There must be 10 particles")
+			{
+				REQUIRE(particleGroup.GetParticleCount() == 10);
+			}
+
+			AND_THEN("We update to make them die")
+			{
+				particleGroup.Update(2.f);
+				REQUIRE(particleGroup.GetParticleCount() == 0);
+			}
+		}
+	}
+}