private Render renderer; // Class to render the scene.
#endregion Fields
#region Constructors
/// <summary>
/// Method to setup the rendering device.
/// Also initalizes all other variables used.
/// </summary>
/// <param name="panel">Panel to be used for rendering.</param>
public ResourceManager(Panel panel)
{
setupDevice(panel);
camera = new Camera(ref device);
camera.SetCamera((float)panel.Width, (float)panel.Height);
mesh = new List<Model>();
lights = new List<LightObj>();
// Add two blank meshes. One for the ground plane and one for the first model loaded.
groundPlane = new GroundPlane(device, effect);
mesh.Add(new Model(device, effect));
// Add the 3 lights.
lights.Add(new LightObj(device, effect, true));
lights.Add(new LightObj(device, effect, false));
lights.Add(new LightObj(device, effect, false));
renderer = new Render(ref device, ref effect, ref mesh, ref groundPlane, panel.Width, panel.Height);
}
/// <summary>
/// Sets the variables within the shader code.
/// </summary>
/// <param name="light">List of lights used.</param>
/// <param name="camera">The camera.</param>
private void SetVariables(List<LightObj> light, Camera camera)
{
// Create an array of the 3 lights intensities.
float[] lightIntensity = new float[3];
int[] enableShadows = new int[3];
int[] enableLights = new int[3];
for (int i = 0; i < 3; i++)
{
lightIntensity[i] = light[i].Intensity;
enableShadows[i] = Convert.ToInt32(light[i].Shadows);
enableLights[i] = Convert.ToInt32(light[i].Enabled);
}
// Create an array of the 3 lights positions.
Vector4[] lightPositions = new Vector4[3];
for (int i = 0; i < 3; i++)
lightPositions[i] = new Vector4(light[i].Direction.X, light[i].Direction.Y, light[i].Direction.Z, 1.0f);
Vector4[] lightAmbient = new Vector4[3];
Vector4[] lightDiffuse = new Vector4[3];
Vector4[] lightSpecular = new Vector4[3];
// Copy over the light colors to different vector4's
for (int i = 0; i < 3; i++)
{
lightAmbient[i] = new Vector4(light[i].Ambient.R / 255.0f, light[i].Ambient.G / 255.0f, light[i].Ambient.B / 255.0f, 1.0f);
lightDiffuse[i] = new Vector4(light[i].Diffuse.R / 255.0f, light[i].Diffuse.G / 255.0f, light[i].Diffuse.B / 255.0f, 1.0f);
lightSpecular[i] = new Vector4(light[i].Specular.R / 255.0f, light[i].Specular.G / 255.0f, light[i].Specular.B / 255.0f, 1.0f);
}
// Set the world, project and view matrixes in the shader
effect.SetValue("projMat", camera.Projection);
effect.SetValue("viewMat", camera.View);
effect.SetValue("worldMat", Matrix.Identity);
// Set the emissive texture
effect.SetValue("glowMap", renderedGlow);
// Sets the light and camera's position in the shader.
effect.SetValue("lightPos", lightPositions);
effect.SetValue("enableLight", enableLights);
effect.SetValue("enableShadows", enableShadows);
effect.SetValue("eyePos", new float[] { camera.Position.X, camera.Position.Y, camera.Position.Z });
// Setup the light information
effect.SetValue("lightIntensity", lightIntensity);
effect.SetValue("lightAmbientColor", lightAmbient);
effect.SetValue("lightDiffuseColor", lightDiffuse);
effect.SetValue("lightSpecularColor", lightSpecular);
}
/// <summary>
/// Renders the scene.
/// </summary>
public void RenderScene(Color background, List<LightObj> lights, Camera camera)
{
bool useGlow = false;
// Sets the variables for the shader.
SetVariables(lights, camera);
//effect.Technique = "Test";
for (int i = 0; i < mesh.Count; i++)
{
if (mesh[i].Emissive.Enable && !mesh[i].Emissive.Path.Equals(""))
{
useGlow = true;
break;
}
}
// If/Else statement to control rendering with emissive glow or not.
if (useGlow)
RenderGlow();
else
BeginRender(background);
// If emissive glow is used, the base scene is rendered to a texture.
if (useGlow)
{
surfRender.BeginScene(renderedScene.GetSurfaceLevel(0), device.Viewport);
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, background, 1.0f, 0);
}
if (groundPlane.Enabled)
RenderModel((Model)groundPlane, lights[0].Shadows, 0);
// Loops through all the models and renders each.
for (int i = 0; i < mesh.Count; i++)
{
if (mesh[i].Enabled)
RenderModel(mesh[i], lights[0].Shadows, 0);
}
if (showLights)
{
using (Sprite spriteobject = new Sprite(device))
{
foreach (LightObj light in lights)
{
if (!light.Enabled)
continue;
spriteobject.SetWorldViewRH(device.Transform.World, device.Transform.View);
spriteobject.Begin(SpriteFlags.AlphaBlend | SpriteFlags.Billboard | SpriteFlags.SortTexture | SpriteFlags.ObjectSpace);
//spriteobject.Transform = Matrix.Scaling(0.25f, 0.25f, 0.25f);
spriteobject.Draw(lightTexture, Rectangle.Empty, Vector3.Empty, light.Direction, Color.White);
spriteobject.End();
}
}
}
// If emissive glow is used, the textures are set to the shader and rendered to a sprite.
if (useGlow)
{
surfRender.EndScene(Filter.None);
effect.SetValue("renderedScene", renderedScene);
BeginRender(background);
using (Sprite spriteobject = new Sprite(device))
{
prevTechnique = effect.Technique;
effect.Technique = "Bloom";
effect.Begin(FX.None);
spriteobject.Begin(SpriteFlags.None);
effect.BeginPass(0);
spriteobject.Draw(renderedGlow, Rectangle.Empty, new Vector3(0, 0, 0), new Vector3(0, 0, 0), Color.White);
effect.EndPass();
spriteobject.End();
effect.End();
effect.Technique = prevTechnique;
}
}
EndRender();
}