Exemplo n.º 1
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        internal Effect(Shader shader)
        {
            Shader = shader;
            ParameterData = new byte[Shader.ParametersSize];

            EffectParameter[] parameters = new EffectParameter[Shader.Parameters.Count];
            for (int i = 0; i < Shader.Parameters.Count; i++)
                parameters[i] = new EffectParameter(this, Shader.Parameters[i]);

            EffectPass[] passes = new EffectPass[Shader.Passes.Count];
            for (int i = 0; i < Shader.Passes.Count; i++)
                passes[i] = new EffectPass(this, Shader.Passes[i]);

            Parameters = new EffectParameterCollection(parameters);
            Passes = new EffectPassCollection(passes);

            foreach (EffectParameter parameter in Parameters)
            {
                if (parameter.Class == EffectParameterClass.Sampler)
                {
                    int count = parameter.Parameter.Count == 0 ? 1 : parameter.Parameter.Count;
                    int[] units = new int[count];

                    for (int i = 0; i < count; i++)
                        units[i] = parameter.Parameter.TextureUnit + i;

                    parameter.SetValue(count);
                }
            }
        }
Exemplo n.º 2
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        /// <summary>
        /// This is where it all happens. Grabs a scene that has already been rendered,
        /// and uses postprocess magic to add a glowing bloom effect over the top of it.
        /// </summary>
        public void Draw(BloomSettings settings)
        {
            if (!Visible)
            {
                return;
            }

            GraphicsDevice.SamplerStates[1] = SamplerState.AnisotropicClamp;

            // Pass 1: draw the scene into rendertarget 1, using a
            // shader that extracts only the brightest parts of the image.
            bloomExtractEffect.Parameters["BloomThreshold"].SetValue(
                settings.BloomThreshold);

            DrawFullscreenQuad(sceneRenderTarget, renderTarget1,
                               bloomExtractEffect,
                               IntermediateBuffer.PreBloom);

            // Pass 2: draw from rendertarget 1 into rendertarget 2,
            // using a shader to apply a horizontal gaussian blur filter.
            gaussianBlurEffect.CurrentTechnique = gaussianBlurEffect.Techniques["GaussianBlur"];

            SetBlurEffectParameters(1.0f / (float)renderTarget1.Width, 0, settings);

            DrawFullscreenQuad(renderTarget1, renderTarget2,
                               gaussianBlurEffect,
                               IntermediateBuffer.BlurredHorizontally);

            // Pass 3: draw from rendertarget 2 back into rendertarget 1,
            // using a shader to apply a vertical gaussian blur filter.
            SetBlurEffectParameters(0, 1.0f / (float)renderTarget1.Height, settings);

            DrawFullscreenQuad(renderTarget2, renderTarget1,
                               gaussianBlurEffect,
                               IntermediateBuffer.BlurredBothWays);

            // Pass 4: draw both rendertarget 1 and the original scene
            // image back into the main backbuffer, using a shader that
            // combines them to produce the final bloomed result.
            GraphicsDevice.SetRenderTarget(finalRenderTarget);

            EffectParameterCollection parameters = bloomCombineEffect.Parameters;

            parameters["BloomIntensity"].SetValue(settings.BloomIntensity);
            parameters["BaseIntensity"].SetValue(settings.BaseIntensity);
            parameters["BloomSaturation"].SetValue(settings.BloomSaturation);
            parameters["BaseSaturation"].SetValue(settings.BaseSaturation);

            // FNA
            GraphicsDevice.Textures[1] = sceneRenderTarget;
            //parameters["BaseSampler"].SetValue(sceneRenderTarget);

            Viewport viewport = GraphicsDevice.Viewport;

            DrawFullscreenQuad(renderTarget1,
                               viewport.Width, viewport.Height,
                               bloomCombineEffect,
                               IntermediateBuffer.FinalResult);

            GraphicsDevice.SetRenderTarget(null);
        }
Exemplo n.º 3
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 protected virtual void SetUpdateParameters(EffectParameterCollection parameters)
 {
 }
Exemplo n.º 4
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 public SemanticMappedMatrix(EffectParameterCollection parent, string semanticName)
     : base(parent, semanticName)
 {
 }
Exemplo n.º 5
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 public FogEffectStructure(EffectParameterCollection parameters)
 {
     this.fogType    = new SemanticMappedInt32(parameters, "Fog_Type");
     this.fogColor   = new SemanticMappedVector3(parameters, "Fog_Color");
     this.fogDensity = new SemanticMappedSingle(parameters, "Fog_Density");
 }
Exemplo n.º 6
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        internal void CreateInstanceFrom(GraphicsDevice device, EffectData effectData, EffectPool effectPool)
        {
            GraphicsDevice = device;
            ConstantBuffers = new EffectConstantBufferCollection();
            Parameters = new EffectParameterCollection();
            Techniques = new EffectTechniqueCollection();

            Pool = effectPool ?? device.DefaultEffectPool;

            // Sets the effect name
            Name = effectData.Description.Name;

            // Register the bytecode to the pool
            var effect = Pool.RegisterBytecode(effectData);

            // Initialize from effect
            InitializeFrom(effect, null);

            // If everything was fine, then we can register it into the pool
            Pool.AddEffect(this);
        }
Exemplo n.º 7
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        public override void Draw(GameTime gameTime)
        {
            foreach (var mesh in meshes)
            {
                var world = Matrix.Identity;

                // Wheel transformation
                if ((int)mesh.Tag > 0)
                {
                    world *= Matrix.CreateRotationX(wheelRotationX);
                    if ((int)mesh.Tag > 1)
                    {
                        world *= Matrix.CreateRotationY(WheelRotationY);
                    }
                }

                // Local modelspace
                world *= mesh.ParentBone.Transform;

                // World
                world *= RotationMatrix * TranslationMatrix;

                foreach (Effect effect in mesh.Effects)
                {
                    EffectParameterCollection param = effect.Parameters;

                    param["World"].SetValue(world);
                    param["View"].SetValue(View);
                    param["Projection"].SetValue(Projection);

                    // TODO: CARMOVE
                    if (mesh.Name.Equals("main"))
                    {
                        if (param["NormalMatrix"] != null)
                        {
                            param["NormalMatrix"].SetValue(Matrix.Invert(Matrix.Transpose(world)));
                        }

                        if (param["EyePosition"] != null)
                        {
                            param["EyePosition"].SetValue(Game.GetService <CameraComponent>().Position);
                        }

                        if (DirectionalLight != null)
                        {
                            if (param["DirectionalLightDirection"] != null)
                            {
                                param["DirectionalLightDirection"].SetValue(DirectionalLight.Direction);
                            }
                            if (param["DirectionalLightDiffuse"] != null)
                            {
                                param["DirectionalLightDiffuse"].SetValue(DirectionalLight.Diffuse);
                            }
                            if (param["DirectionalLightAmbient"] != null)
                            {
                                param["DirectionalLightAmbient"].SetValue(DirectionalLight.Ambient);
                            }
                        }
                    }
                }

                mesh.Draw();
            }
        }
Exemplo n.º 8
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        /// <summary>
        /// Initializes a new instance of the <see cref="Effect" /> class with the specified bytecode effect. See remarks.
        /// </summary>
        /// <param name="device">The device.</param>
        /// <param name="effectData">The bytecode to add to <see cref="GraphicsDevice.DefaultEffectPool"/>. This bytecode must contain only one effect.</param>
        /// <exception cref="ArgumentException">If the bytecode doesn't contain a single effect.</exception>
        /// <remarks>
        /// The effect bytecode must contain only a single effect and will be registered into the <see cref="GraphicsDevice.DefaultEffectPool"/>.
        /// </remarks>
        public Effect(GraphicsDevice device, EffectData effectData) : base(device)
        {
            if (effectData.Effects.Count != 1)
                throw new ArgumentException(string.Format("Expecting only one effect in the effect bytecode instead of [{0}]. Use GraphicsDevice.DefaultEffectPool.RegisterBytecode instead", Utilities.Join(",", effectData.Effects)), "bytecode");

            ConstantBuffers = new EffectConstantBufferCollection();
            Parameters = new EffectParameterCollection();
            Techniques = new EffectTechniqueCollection();
            ResourceLinker = ToDispose(new EffectResourceLinker());
            Pool = device.DefaultEffectPool;

            // Sets the effect name
            Name = effectData.Effects[0].Name;

            // Register the bytecode to the pool
            Pool.RegisterBytecode(effectData);

            Initialize();
        }
        /// <summary>
        /// This is where it all happens. Grabs a scene that has already been rendered,
        /// and uses postprocess magic to add a glowing bloom effect over the top of it.
        /// </summary>
        public override void Draw(GameTime gameTime)
        {
            BlendState        bs  = GraphicsDevice.BlendState;
            DepthStencilState ds  = GraphicsDevice.DepthStencilState;
            RasterizerState   rs  = GraphicsDevice.RasterizerState;
            SamplerState      ss0 = GraphicsDevice.SamplerStates[0];
            SamplerState      ss1 = GraphicsDevice.SamplerStates[1];
            Texture           t0  = GraphicsDevice.Textures[0];
            Texture           t1  = GraphicsDevice.Textures[1];

            // Pass 1: draw the scene into rendertarget 1, using a
            // shader that extracts only the brightest parts of the image.
            bloomExtractEffect.Parameters["BloomThreshold"].SetValue(
                Settings.BloomThreshold);

            DrawFullscreenQuad(resolveTarget, renderTarget1,
                               bloomExtractEffect,
                               IntermediateBuffer.PreBloom);

            // Pass 2: draw from rendertarget 1 into rendertarget 2,
            // using a shader to apply a horizontal gaussian blur filter.
            SetBlurEffectParameters(1.0f / (float)renderTarget1.Width, 0);

            DrawFullscreenQuad(renderTarget1, renderTarget2,
                               gaussianBlurEffect,
                               IntermediateBuffer.BlurredHorizontally);

            // Pass 3: draw from rendertarget 2 back into rendertarget 1,
            // using a shader to apply a vertical gaussian blur filter.
            SetBlurEffectParameters(0, 1.0f / (float)renderTarget1.Height);

            DrawFullscreenQuad(renderTarget2, renderTarget1,
                               gaussianBlurEffect,
                               IntermediateBuffer.BlurredBothWays);

            // Pass 4: draw both rendertarget 1 and the original scene
            // image back into the main backbuffer, using a shader that
            // combines them to produce the final bloomed result.
            GraphicsDevice.SetRenderTarget(resolveTarget);

            EffectParameterCollection parameters = bloomCombineEffect.Parameters;

            parameters["BloomIntensity"].SetValue(Settings.BloomIntensity);
            parameters["BaseIntensity"].SetValue(Settings.BaseIntensity);
            parameters["BloomSaturation"].SetValue(Settings.BloomSaturation);
            parameters["BaseSaturation"].SetValue(baseSaturation);

            GraphicsDevice.Textures[1] = resolveTarget;

            Viewport viewport = GraphicsDevice.Viewport;

            DrawFullscreenQuad(renderTarget1,
                               viewport.Width, viewport.Height,
                               bloomCombineEffect,
                               IntermediateBuffer.FinalResult);

            GraphicsDevice.BlendState        = bs;
            GraphicsDevice.DepthStencilState = ds;
            GraphicsDevice.RasterizerState   = rs;
            GraphicsDevice.SamplerStates[0]  = ss0;
            GraphicsDevice.SamplerStates[1]  = ss1;
            GraphicsDevice.Textures[0]       = t0;
            GraphicsDevice.Textures[1]       = t1;
        }
Exemplo n.º 10
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 public MaterialEffectStructure(EffectParameterCollection parameters)
 {
     this.diffuse = new SemanticMappedVector3(parameters, "Material_Diffuse");
     this.opacity = new SemanticMappedSingle(parameters, "Material_Opacity");
 }
Exemplo n.º 11
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 public SemanticMappedVectorArray(EffectParameterCollection parent, string semanticName)
     : base(parent, semanticName)
 {
 }
Exemplo n.º 12
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        /// <summary>
        /// Helper for loading and initializing the particle effect.
        /// </summary>
        void LoadParticleEffect()
        {
            Effect effect = content.Load <Effect>(@"effects\ParticleEffect");

            // If we have several particle systems, the content manager will return
            // a single shared effect instance to them all. But we want to preconfigure
            // the effect with parameters that are specific to this particular
            // particle system. By cloning the effect, we prevent one particle system
            // from stomping over the parameter settings of another.

            particleEffect = effect.Clone();


            EffectParameterCollection parameters = particleEffect.Parameters;


            //粒子大小和速度可根据模型缩放调节
            float modelScale = 1;
            float scale      = 1;

            if (parentEffect != null)
            {
                if (parentEffect.parentModel != null)
                {
                    modelScale = parentEffect.parentModel.scale;
                }
                scale = parentEffect.Scale * modelScale;
            }



            // Look up shortcuts for parameters that change every frame.
            effectViewParameter          = parameters["View"];
            effectProjectionParameter    = parameters["Projection"];
            effectViewportScaleParameter = parameters["ViewportScale"];
            effectTimeParameter          = parameters["CurrentTime"];
            effectWorldParameter         = parameters["World"];
            effectWorldParameter.SetValue(Matrix.Identity);
            // Set the values of parameters that do not change.
            parameters["Duration"].SetValue((float)settings.Duration.TotalSeconds);
            parameters["DurationRandomness"].SetValue(settings.DurationRandomness);
            parameters["Gravity"].SetValue(settings.Gravity);
            parameters["EndVelocity"].SetValue(settings.EndVelocity * scale);
            parameters["MinColor"].SetValue(settings.MinColor / 255);
            parameters["MaxColor"].SetValue(settings.MaxColor / 255);

            parameters["RotateSpeed"].SetValue(
                new Vector2(settings.MinRotateSpeed, settings.MaxRotateSpeed));

            parameters["StartSize"].SetValue(
                new Vector2(settings.MinStartSize * scale, settings.MaxStartSize * scale));

            parameters["EndSize"].SetValue(
                new Vector2(settings.MinEndSize * scale, settings.MaxEndSize * scale));

            // Load the particle texture, and set it onto the effect.
            Texture2D texture = content.Load <Texture2D>(settings.TextureName);

            parameters["Texture"].SetValue(texture);

            //// Choose the appropriate effect technique. If these particles will never
            //// rotate, we can use a simpler pixel shader that requires less GPU power.
            //string techniqueName;

            //if ((settings.MinRotateSpeed == 0) && (settings.MaxRotateSpeed == 0))
            //    techniqueName = "NonRotatingParticles";
            //else
            //    techniqueName = "RotatingParticles";

            //particleEffect.CurrentTechnique = particleEffect.Techniques[techniqueName];
        }
Exemplo n.º 13
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 protected virtual void SetRenderingParameters(EffectParameterCollection parameters)
 {
 }
Exemplo n.º 14
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        public override void Initialize(ContentManager contentLoader, ComponentManifest manifest)
        {
            Effect genericEffect = contentLoader.Load <Effect>("shaders\\Billboard");

            // If we have several of these objects, the content manager will return
            // a single shared effect instance to them all. But we want to preconfigure
            // the effect with parameters that are specific to this particular
            // object. By cloning the effect, we prevent one
            // from stomping over the parameter settings of another.

            Effect = genericEffect.Clone();
            Effect.CurrentTechnique = Effect.Techniques["Billboard"];
            EffectRegistry.Add(Effect, RenderOptions.BillboardParams);

            EffectParameterCollection parameters = Effect.Parameters;

            // Set the values of parameters that do not change.
            parameters["WindAmount"].SetValue(0.0f);
            parameters["BillboardWidth"].SetValue(2.0f);
            parameters["BillboardHeight"].SetValue(2.0f);
            mTexture = contentLoader.Load <Texture>((string)(manifest.Properties[ManifestKeys.TEXTURE]));
            parameters["Texture"].SetValue(mTexture);
            parameters["gBright"].SetValue(0.17f);
            parameters["gContrast"].SetValue(0.9f);

            mDepthOnlyEffect = Effect.Clone();
            mDepthOnlyEffect.CurrentTechnique = mDepthOnlyEffect.Techniques["DepthOnlyBillboard"];
            EffectRegistry.Add(mDepthOnlyEffect, RenderOptions.BillboardParams);

            mGeometry = new MeshPart();

            BillboardVertex[] vertices = new BillboardVertex[4];

            vertices[0].Position = Vector3.Zero;
            vertices[1].Position = Vector3.Zero;
            vertices[2].Position = Vector3.Zero;
            vertices[3].Position = Vector3.Zero;

            vertices[0].Normal = Vector3.Up;
            vertices[1].Normal = Vector3.Up;
            vertices[2].Normal = Vector3.Up;
            vertices[3].Normal = Vector3.Up;

            vertices[0].TexCoord = Vector2.Zero;
            vertices[1].TexCoord = Vector2.UnitX;
            vertices[2].TexCoord = Vector2.One;
            vertices[3].TexCoord = Vector2.UnitY;

            float randValue = 0.5f;

            if (manifest.Properties.ContainsKey(ManifestKeys.IS_RANDOMIZED) &&
                (bool)(manifest.Properties[ManifestKeys.IS_RANDOMIZED]))
            {
                randValue = (float)(GameResources.ActorManager.Random.Next(-524288, 524288)) / (float)524288;
            }

            vertices[0].Random = randValue;
            vertices[1].Random = randValue;
            vertices[2].Random = randValue;
            vertices[3].Random = randValue;

            mGeometry.VertexBuffer = new VertexBuffer(
                SharedResources.Game.GraphicsDevice,
                BillboardVertex.VertexDeclaration,
                4,
                BufferUsage.None);

            mGeometry.VertexBuffer.SetData(vertices);

            // Create and populate the index buffer.
            ushort[] indices = new ushort[] { 0, 1, 2, 0, 2, 3 };

            mGeometry.IndexBuffer = new IndexBuffer(
                SharedResources.Game.GraphicsDevice,
                typeof(ushort),
                indices.Length,
                BufferUsage.None);

            mGeometry.IndexBuffer.SetData(indices);

            mGeometry.NumVertices    = 4;
            mGeometry.PrimitiveCount = 2;
            mGeometry.StartIndex     = 0;
            mGeometry.VertexOffset   = 0;

            GameResources.ActorManager.PreAnimationUpdateStep += PreAnimationUpdateHandler;

            base.Initialize(contentLoader, manifest);
        }
Exemplo n.º 15
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        /// <summary>
        /// This is where it all happens. Grabs a scene that has already been rendered,
        /// and uses postprocess magic to add a glowing bloom effect over the top of it.
        /// </summary>
        public override void Draw(GameTime gameTime)
        {
            GraphicsDevice.SamplerStates[1] = SamplerState.LinearClamp;

            // Pass 1: draw the scene into rendertarget 1, using a
            // shader that extracts only the brightest parts of the image.

            if (usePresets)
            {
                bloomExtractEffect.Parameters["BloomThreshold"].SetValue(
                    Settings.BloomThreshold);
            }
            else
            {
                bloomExtractEffect.Parameters["BloomThreshold"].SetValue(bloomThreshold);
            }

            DrawFullscreenQuad(sceneRenderTarget, renderTarget1,
                               bloomExtractEffect,
                               IntermediateBuffer.PreBloom);

            // Pass 2: draw from rendertarget 1 into rendertarget 2,
            // using a shader to apply a horizontal gaussian blur filter.
            SetBlurEffectParameters(1.0f / (float)renderTarget1.Width, 0);

            DrawFullscreenQuad(renderTarget1, renderTarget2,
                               gaussianBlurEffect,
                               IntermediateBuffer.BlurredHorizontally);

            // Pass 3: draw from rendertarget 2 back into rendertarget 1,
            // using a shader to apply a vertical gaussian blur filter.
            SetBlurEffectParameters(0, 1.0f / (float)renderTarget1.Height);

            DrawFullscreenQuad(renderTarget2, renderTarget1,
                               gaussianBlurEffect,
                               IntermediateBuffer.BlurredBothWays);

            // Pass 4: draw both rendertarget 1 and the original scene
            // image back into the main backbuffer, using a shader that
            // combines them to produce the final bloomed result.
            GraphicsDevice.SetRenderTarget(null);

            EffectParameterCollection parameters = bloomCombineEffect.Parameters;

            if (usePresets)
            {
                parameters["BloomIntensity"].SetValue(Settings.BloomIntensity);
                parameters["BaseIntensity"].SetValue(Settings.BaseIntensity);
                parameters["BloomSaturation"].SetValue(Settings.BloomSaturation);
                parameters["BaseSaturation"].SetValue(Settings.BaseSaturation);
            }
            else
            {
                parameters["BloomIntensity"].SetValue(bloomIntensity);
                parameters["BaseIntensity"].SetValue(baseIntensity);
                parameters["BloomSaturation"].SetValue(bloomSaturation);
                parameters["BaseSaturation"].SetValue(baseSaturation);
            }
            GraphicsDevice.Textures[1] = sceneRenderTarget;

            Viewport viewport = GraphicsDevice.Viewport;

            DrawFullscreenQuad(renderTarget1,
                               viewport.Width, viewport.Height,
                               bloomCombineEffect,
                               IntermediateBuffer.FinalResult);
        }
Exemplo n.º 16
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 /// <summary>
 /// Initializes a new instance of the <see cref="Effect" /> class with the specified effect loaded from an effect pool.
 /// </summary>
 /// <param name="device">The device.</param>
 /// <param name="pool">The effect pool.</param>
 /// <param name="effectName">Name of the effect.</param>
 public Effect(GraphicsDevice device, EffectPool pool, string effectName) : base(device, effectName)
 {
     ConstantBuffers = new EffectConstantBufferCollection();
     Parameters = new EffectParameterCollection();
     Techniques = new EffectTechniqueCollection();
     ResourceLinker = ToDispose(new EffectResourceLinker());
     Pool = pool;
     Initialize();
 }
Exemplo n.º 17
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        /// <summary>
        /// Initializes a new instance of the <see cref="Effect" /> class with the specified bytecode effect. See remarks.
        /// </summary>
        /// <param name="device">The device.</param>
        /// <param name="effectData">The bytecode to add to the Effect Pool. This bytecode must contain only one effect.</param>
        /// <param name="effectPool">The effect pool used to register the bytecode. Default is <see cref="GraphicsDevice.DefaultEffectPool"/>.</param>
        /// <exception cref="ArgumentException">If the bytecode doesn't contain a single effect.</exception>
        /// <remarks>The effect bytecode must contain only a single effect and will be registered into the <see cref="GraphicsDevice.DefaultEffectPool"/>.</remarks>
        public Effect(GraphicsDevice device, EffectData effectData, EffectPool effectPool = null) : base(device)
        {
            if (effectData.Effects.Count != 1)
                throw new ArgumentException(string.Format("Expecting only one effect in the effect bytecode instead of [{0}].", Utilities.Join(",", effectData.Effects)), "effectData");

            ConstantBuffers = new EffectConstantBufferCollection();
            Parameters = new EffectParameterCollection();
            Techniques = new EffectTechniqueCollection();

            Pool = effectPool ?? device.DefaultEffectPool;

            // Sets the effect name
            Name = effectData.Effects[0].Name;

            // Register the bytecode to the pool
            Pool.RegisterBytecode(effectData);

            // Initialize from effect
            InitializeFrom(Pool.Find(Name));
            // If everything was fine, then we can register it into the pool
            Pool.AddEffect(this);
        }
Exemplo n.º 18
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        private void Init(string TextureName, int MaxParticles, int NumberOfImages, BlendState BlendState, bool RotateTowardCamera, ContentManager Content, GraphicsDevice GraphicsDevice)
        {
            this.TextureName    = TextureName;
            this.MaxParticles   = MaxParticles;
            this.NumberOfImages = NumberOfImages;
            this.BlendState     = BlendState;
            _UseAlphaBlend      = false;

            // Allocate the particle array, and fill in the corner fields (which never change).
            ArrayParticles = new BillboardVertex[MaxParticles * 4];

            for (int i = 0; i < MaxParticles; i++)
            {
                ArrayParticles[i * 4 + 0].UV = new Vector2(0, 0);
                ArrayParticles[i * 4 + 1].UV = new Vector2(1, 0);
                ArrayParticles[i * 4 + 2].UV = new Vector2(1, 1);
                ArrayParticles[i * 4 + 3].UV = new Vector2(0, 1);
            }

            Effect effect = Content.Load <Effect>("Shaders/Particle shader 3D");

            // If we have several particle systems, the content manager will return
            // a single shared effect instance to them all. But we want to preconfigure
            // the effect with parameters that are specific to this particular
            // particle system. By cloning the effect, we prevent one particle system
            // from stomping over the parameter settings of another.

            particleEffect = effect.Clone();

            Parameters = particleEffect.Parameters;

            // Look up shortcuts for parameters that change every frame.
            effectViewParameter          = Parameters["View"];
            effectProjectionParameter    = Parameters["Projection"];
            effectViewportScaleParameter = Parameters["ViewportScale"];
            effectTimeParameter          = Parameters["CurrentTime"];

            // Set the values of parameters that do not change.
            Parameters["NumberOfImages"].SetValue(NumberOfImages);
            Parameters["RotateTowardCamera"].SetValue(RotateTowardCamera ? 1f : 0);

            // Load the particle texture, and set it onto the effect.
            Texture2D sprBackground = Content.Load <Texture2D>(TextureName);

            Parameters["Size"].SetValue(new Vector2((sprBackground.Width / NumberOfImages) * 0.5f, sprBackground.Height * 0.5f));
            Parameters["t0"].SetValue(sprBackground);
            _RepeatOffset.X = sprBackground.Width;
            _RepeatOffset.Y = sprBackground.Height;

            // Create a dynamic vertex buffer.
            vertexBuffer = new DynamicVertexBuffer(GraphicsDevice, BillboardVertex.VertexDeclaration,
                                                   MaxParticles * 4, BufferUsage.WriteOnly);

            // Create and populate the index buffer.
            ushort[] ArrayIndex = new ushort[MaxParticles * 6];

            for (int i = 0; i < MaxParticles; i++)
            {
                ArrayIndex[i * 6 + 0] = (ushort)(i * 4 + 0);
                ArrayIndex[i * 6 + 1] = (ushort)(i * 4 + 1);
                ArrayIndex[i * 6 + 2] = (ushort)(i * 4 + 2);

                ArrayIndex[i * 6 + 3] = (ushort)(i * 4 + 0);
                ArrayIndex[i * 6 + 4] = (ushort)(i * 4 + 2);
                ArrayIndex[i * 6 + 5] = (ushort)(i * 4 + 3);
            }

            indexBuffer = new IndexBuffer(GraphicsDevice, typeof(ushort), ArrayIndex.Length, BufferUsage.WriteOnly);

            indexBuffer.SetData(ArrayIndex);
        }
Exemplo n.º 19
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 public SemanticMappedTexture(EffectParameterCollection parent, string semanticName)
     : base(parent, semanticName.Replace("Texture", "Sampler"))
 {
 }
Exemplo n.º 20
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        /// <summary>
        /// This is where it all happens. Grabs a scene that has already been rendered,
        /// and uses postprocess magic to add a glowing bloom effect over the top of it.
        /// </summary>
        public static void Draw(GameTime gameTime)
        {
            BeatShift.graphics.GraphicsDevice.SamplerStates[1] = SamplerState.LinearClamp;

            // Pass 1: draw the scene into rendertarget 1, using a
            // shader that extracts only the brightest parts of the image.
            //bloomExtractEffect.Parameters["BloomThreshold"].SetValue(0.5f);
            //DrawFullscreenQuad(sceneRenderTarget, renderTarget1, bloomExtractEffect, IntermediateBuffer.PreBloom);

            // Pass 2: draw from rendertarget 1 into rendertarget 2,
            // using a shader to apply a horizontal gaussian blur filter.
            SetBlurEffectParameters(1.0f / (float)renderTarget1.Width, 0);

            DrawFullscreenQuad(glowRenderTarget, renderTarget2,//renderTarget1, renderTarget2,
                               gaussianBlurEffect,
                               IntermediateBuffer.BlurredHorizontally);

            // Pass 3: draw from rendertarget 2 back into rendertarget 1,
            // using a shader to apply a vertical gaussian blur filter.
            SetBlurEffectParameters(0, 1.0f / (float)renderTarget1.Height);

            DrawFullscreenQuad(renderTarget2, renderTarget1,
                               gaussianBlurEffect,
                               IntermediateBuffer.BlurredBothWays);

            // Pass 4: draw both rendertarget 1 and the original scene
            // image back into the main backbuffer, using a shader that
            // combines them to produce the final bloomed result.
            BeatShift.graphics.GraphicsDevice.SetRenderTarget(null);

            EffectParameterCollection parameters = bloomCombineEffect.Parameters;

            parameters["BloomIntensity"].SetValue(1f);
            parameters["BaseIntensity"].SetValue(1f);
            parameters["BloomSaturation"].SetValue(1f);
            parameters["BaseSaturation"].SetValue(1f);

            Viewport viewport = BeatShift.graphics.GraphicsDevice.Viewport;

            BeatShift.graphics.GraphicsDevice.Textures[1] = sceneRenderTarget;

            switch (Globals.TestState)
            {
            case 0:
                BeatShift.graphics.GraphicsDevice.BlendState = BlendState.Opaque;
                DrawFullscreenQuad(renderTarget1,
                                   viewport.Width, viewport.Height,
                                   bloomCombineEffect,
                                   IntermediateBuffer.FinalResult);
                break;

            case 1:
                DrawFullscreenQuad(glowRenderTarget,
                                   viewport.Width, viewport.Height,
                                   outputEffect,
                                   IntermediateBuffer.FinalResult);
                break;

            case 2:
                DrawFullscreenQuad(sceneRenderTarget,
                                   viewport.Width, viewport.Height,
                                   outputEffect,
                                   IntermediateBuffer.FinalResult);
                break;

            case 3:
                DrawFullscreenQuad(renderTarget1,
                                   viewport.Width, viewport.Height,
                                   outputEffect,
                                   IntermediateBuffer.FinalResult);
                break;

            case 4:
                DrawFullscreenQuad(renderTarget2,
                                   viewport.Width, viewport.Height,
                                   outputEffect,
                                   IntermediateBuffer.FinalResult);
                break;

            case 5:
                break;

            case 6:
            default:
                break;
            }
        }
Exemplo n.º 21
0
 public static EffectParameter TryGet(this EffectParameterCollection parameters, string name) =>
 parameters.Any(parameter => parameter.Name == name) ? parameters[name] : null;
Exemplo n.º 22
0
        /// <summary>
        /// Helper applies the edge detection and pencil sketch postprocess effect.
        /// </summary>
        void ApplyPostprocess()
        {
            EffectParameterCollection parameters = postprocessEffect.Parameters;
            string effectTechniqueName;

            // Set effect parameters controlling the pencil sketch effect.
            if (Settings.EnableSketch)
            {
                parameters["SketchThreshold"].SetValue(Settings.SketchThreshold);
                parameters["SketchBrightness"].SetValue(Settings.SketchBrightness);
                parameters["SketchJitter"].SetValue(sketchJitter);
                parameters["SketchTexture"].SetValue(sketchTexture);
            }

            // Set effect parameters controlling the edge detection effect.
            if (Settings.EnableEdgeDetect)
            {
                Vector2 resolution = new Vector2(sceneRenderTarget.Width,
                                                 sceneRenderTarget.Height);

                Texture2D normalDepthTexture = normalDepthRenderTarget;

                parameters["EdgeWidth"].SetValue(Settings.EdgeWidth);
                parameters["EdgeIntensity"].SetValue(Settings.EdgeIntensity);
                parameters["ScreenResolution"].SetValue(resolution);
                parameters["NormalDepthTexture"].SetValue(normalDepthTexture);

                // Choose which effect technique to use.
                if (Settings.EnableSketch)
                {
                    if (Settings.SketchInColor)
                    {
                        effectTechniqueName = "EdgeDetectColorSketch";
                    }
                    else
                    {
                        effectTechniqueName = "EdgeDetectMonoSketch";
                    }
                }
                else
                {
                    effectTechniqueName = "EdgeDetect";
                }
            }
            else
            {
                // If edge detection is off, just pick one of the sketch techniques.
                if (Settings.SketchInColor)
                {
                    effectTechniqueName = "ColorSketch";
                }
                else
                {
                    effectTechniqueName = "MonoSketch";
                }
            }

            // Activate the appropriate effect technique.
            postprocessEffect.CurrentTechnique = postprocessEffect.Techniques[effectTechniqueName];

            // Draw a fullscreen sprite to apply the postprocessing effect.
            spriteBatch.Begin(0, BlendState.Opaque, null, null, null, postprocessEffect);
            spriteBatch.Draw(sceneRenderTarget, Vector2.Zero, Color.White);
            spriteBatch.End();
        }
Exemplo n.º 23
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 protected override void SetUpdateParameters(EffectParameterCollection parameters)
 {
     base.SetUpdateParameters(parameters);
 }
Exemplo n.º 24
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        public void LoadContent(ContentManager Content, GraphicsDevice GraphicsDevice, Matrix Projection)
        {
            // Allocate the particle array, and fill in the corner fields (which never change).
            particles = new ParticleVertex[settings.MaxParticles * 4];

            for (int i = 0; i < settings.MaxParticles; i++)
            {
                particles[i * 4 + 0].UV = new Vector2(0, 0);
                particles[i * 4 + 1].UV = new Vector2(1, 0);
                particles[i * 4 + 2].UV = new Vector2(1, 1);
                particles[i * 4 + 3].UV = new Vector2(0, 1);
            }

            Effect effect = Content.Load <Effect>("Shaders/Particle shader");

            // If we have several particle systems, the content manager will return
            // a single shared effect instance to them all. But we want to preconfigure
            // the effect with parameters that are specific to this particular
            // particle system. By cloning the effect, we prevent one particle system
            // from stomping over the parameter settings of another.

            particleEffect = effect.Clone();

            EffectParameterCollection parameters = particleEffect.Parameters;

            // Look up shortcuts for parameters that change every frame.
            effectViewProjectionParameter = parameters["ViewProjection"];
            effectTimeParameter           = parameters["CurrentTime"];
            effectViewProjectionParameter.SetValue(Projection);

            // Set the values of parameters that do not change.
            parameters["Gravity"].SetValue(settings.Gravity);
            parameters["Duration"].SetValue((float)settings.Duration.TotalSeconds);
            parameters["SpeedMultiplier"].SetValue(60f);

            // Load the particle texture, and set it onto the effect.
            Texture2D texture = Content.Load <Texture2D>(settings.TextureName);

            settings.Size = new Vector2(texture.Width * 0.5f, texture.Height * 0.5f);
            parameters["Size"].SetValue(settings.Size);
            parameters["StartingAlpha"].SetValue(settings.StartingAlpha);
            parameters["EndAlpha"].SetValue(settings.EndAlpha);

            parameters["t0"].SetValue(texture);

            // Create a dynamic vertex buffer.
            vertexBuffer = new DynamicVertexBuffer(GraphicsDevice, ParticleVertex.VertexDeclaration,
                                                   settings.MaxParticles * 4, BufferUsage.WriteOnly);

            /*
             * // Create and populate the index buffer.
             * uint[] indices = new uint[settings.MaxParticles * 6];
             *
             * for (int i = 0; i < settings.MaxParticles; i++)
             * {
             *  indices[i * 6 + 0] = (uint)(i * 4 + 0);
             *  indices[i * 6 + 1] = (uint)(i * 4 + 1);
             *  indices[i * 6 + 2] = (uint)(i * 4 + 2);
             *
             *  indices[i * 6 + 3] = (uint)(i * 4 + 0);
             *  indices[i * 6 + 4] = (uint)(i * 4 + 2);
             *  indices[i * 6 + 5] = (uint)(i * 4 + 3);
             * }
             *
             * indexBuffer = new IndexBuffer(GraphicsDevice, typeof(uint), indices.Length, BufferUsage.WriteOnly);*/
            // Create and populate the index buffer.
            ushort[] indices = new ushort[settings.MaxParticles * 6];

            for (int i = 0; i < settings.MaxParticles; i++)
            {
                indices[i * 6 + 0] = (ushort)(i * 4 + 0);
                indices[i * 6 + 1] = (ushort)(i * 4 + 1);
                indices[i * 6 + 2] = (ushort)(i * 4 + 2);

                indices[i * 6 + 3] = (ushort)(i * 4 + 0);
                indices[i * 6 + 4] = (ushort)(i * 4 + 2);
                indices[i * 6 + 5] = (ushort)(i * 4 + 3);
            }

            indexBuffer = new IndexBuffer(GraphicsDevice, typeof(ushort), indices.Length, BufferUsage.WriteOnly);

            indexBuffer.SetData(indices);
        }
Exemplo n.º 25
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 protected SemanticMappedParameter(EffectParameterCollection parent, string semanticName)
 {
     this.parameter        = parent[semanticName] ?? parent[semanticName.Replace("Sampler", "Texture")];
     this.missingParameter = this.parameter == null;
 }
Exemplo n.º 26
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 protected override void SetRenderingParameters(EffectParameterCollection parameters)
 {
     base.SetRenderingParameters(parameters);
 }
Exemplo n.º 27
0
        protected override void SetCreateParameters(EffectParameterCollection parameters)
        {
            parameters["SnowParticleLifetime"].SetValue(snowLifeTime);

            base.SetCreateParameters(parameters);
        }