Method Initialize

src/Nazara/Graphics/ParticleDeclaration.cpp:271–324

	*/

	bool ParticleDeclaration::Initialize()
	{
		if (!ParticleDeclarationLibrary::Initialize())
		{
			NazaraError("Failed to initialise library");
			return false;
		}

		try
		{
			ErrorFlags flags(ErrorFlag_Silent | ErrorFlag_ThrowException);

			// Layout : Type
			ParticleDeclaration* declaration;

			// ParticleLayout_Billboard : ParticleStruct_Billboard
			declaration = &s_declarations[ParticleLayout_Billboard];
			declaration->EnableComponent(ParticleComponent_Color,    ComponentType_Color,  NazaraOffsetOf(ParticleStruct_Billboard, color));
			declaration->EnableComponent(ParticleComponent_Life,     ComponentType_Float1, NazaraOffsetOf(ParticleStruct_Billboard, life));
			declaration->EnableComponent(ParticleComponent_Normal,   ComponentType_Float3, NazaraOffsetOf(ParticleStruct_Billboard, normal));
			declaration->EnableComponent(ParticleComponent_Position, ComponentType_Float3, NazaraOffsetOf(ParticleStruct_Billboard, position));
			declaration->EnableComponent(ParticleComponent_Rotation, ComponentType_Float1, NazaraOffsetOf(ParticleStruct_Billboard, rotation));
			declaration->EnableComponent(ParticleComponent_Size,     ComponentType_Float2, NazaraOffsetOf(ParticleStruct_Billboard, size));
			declaration->EnableComponent(ParticleComponent_Velocity, ComponentType_Float3, NazaraOffsetOf(ParticleStruct_Billboard, velocity));

			NazaraAssert(declaration->GetStride() == sizeof(ParticleStruct_Billboard), "Invalid stride for declaration ParticleLayout_Billboard");

			// ParticleLayout_Model : ParticleStruct_Model
			declaration = &s_declarations[ParticleLayout_Model];
			declaration->EnableComponent(ParticleComponent_Life,     ComponentType_Float1,     NazaraOffsetOf(ParticleStruct_Model, life));
			declaration->EnableComponent(ParticleComponent_Position, ComponentType_Float3,     NazaraOffsetOf(ParticleStruct_Model, position));
			declaration->EnableComponent(ParticleComponent_Rotation, ComponentType_Quaternion, NazaraOffsetOf(ParticleStruct_Model, rotation));
			declaration->EnableComponent(ParticleComponent_Velocity, ComponentType_Float3,     NazaraOffsetOf(ParticleStruct_Model, velocity));

			NazaraAssert(declaration->GetStride() == sizeof(ParticleStruct_Model), "Invalid stride for declaration ParticleLayout_Model");

			// ParticleLayout_Sprite : ParticleStruct_Sprite
			declaration = &s_declarations[ParticleLayout_Sprite];
			declaration->EnableComponent(ParticleComponent_Color,    ComponentType_Color,  NazaraOffsetOf(ParticleStruct_Sprite, color));
			declaration->EnableComponent(ParticleComponent_Life,     ComponentType_Float1, NazaraOffsetOf(ParticleStruct_Sprite, life));
			declaration->EnableComponent(ParticleComponent_Position, ComponentType_Float3, NazaraOffsetOf(ParticleStruct_Sprite, position));
			declaration->EnableComponent(ParticleComponent_Rotation, ComponentType_Float1, NazaraOffsetOf(ParticleStruct_Sprite, rotation));
			declaration->EnableComponent(ParticleComponent_Velocity, ComponentType_Float3, NazaraOffsetOf(ParticleStruct_Sprite, velocity));

			NazaraAssert(declaration->GetStride() == sizeof(ParticleStruct_Sprite), "Invalid stride for declaration ParticleLayout_Sprite");
		}
		catch (const std::exception& e)
		{
			NazaraError("Failed to initialize particle declarations: " + String(e.what()));
			return false;
		}

		return true;
	}

	/*!
	* \brief Uninitializes the particle declaration librairies