/// <summary>
/// Copy constructor. Creates a deep copy of another GModel.
/// </summary>
/// <param name="gm">GModel to clone.</param>
public GModel(GModel gm)
{
model = gm.model;
skinningData = gm.skinningData;
Texture = gm.Texture;
MaterialColors = gm.MaterialColors != null ? (Vector3[])gm.MaterialColors.Clone() : null;
Emissive = gm.Emissive;
EmissiveTexture = gm.EmissiveTexture;
IsWaterfall = gm.IsWaterfall;
}
/// <summary>
/// Draw forward-rendered model.
/// </summary>
/// <param name="model">Model to draw</param>
/// <param name="position">Position</param>
/// <param name="rotation">Rotation</param>
/// <param name="scale">Scale (x, y, z)</param>
/// <param name="enableShading">Enables textures and lighting</param>
private void DrawForwardShadedModel(
GModel gmodel,
ref Vector3 position,
ref Quaternion rotation,
ref Vector3 scale,
bool enableShading)
{
Model model = gmodel.model;
// Calculate transforms
Matrix world = Matrix.CreateScale(scale)
* Matrix.CreateFromQuaternion(rotation)
* Matrix.CreateTranslation(position);
Matrix[] meshTransforms = new Matrix[model.Bones.Count];
model.CopyAbsoluteBoneTransformsTo(meshTransforms); // get bone transforms
// Render the mesh
foreach (ModelMesh mesh in model.Meshes)
{
// Set effect data
Matrix animatedWorld = meshTransforms[mesh.ParentBone.Index] * world;
Matrix worldViewProjection = animatedWorld * camera.View * camera.Projection;
forwardUnshadedEffect.Parameters["xDepthTex"].SetValue(deferredTargets[1].RenderTarget);
forwardUnshadedEffect.Parameters["xWorld"].SetValue(animatedWorld);
forwardUnshadedEffect.Parameters["xWorldViewProjection"].SetValue(worldViewProjection);
// Draw
forwardUnshadedEffect.CurrentTechnique.Passes[0].Apply(); // single-pass
foreach (ModelMeshPart part in mesh.MeshParts)
{
Device.Indices = part.IndexBuffer;
Device.SetVertexBuffer(part.VertexBuffer);
Device.DrawIndexedPrimitives(
PrimitiveType.TriangleList,
part.VertexOffset,
0,
part.NumVertices,
part.StartIndex,
part.PrimitiveCount);
// draw call count
nDrawCalls++;
}
}
}
/// <summary>
/// Draws models, shaded or unshaded. Contains the actual drawing code.
/// </summary>
/// <param name="model">Model to draw</param>
/// <param name="position">Position</param>
/// <param name="rotation">Rotation</param>
/// <param name="scale">Scale (x, y, z)</param>
/// <param name="enableShading">Enables textures and lighting</param>
private void DrawDeferredShadedModel(
GModel gmodel,
ref Vector3 position,
ref Quaternion rotation,
ref Vector3 scale,
bool enableShading,
Matrix[] bones)
{
Model model = gmodel.model;
// Calculate transforms
Matrix world = Matrix.CreateScale(scale)
* Matrix.CreateFromQuaternion(rotation)
* Matrix.CreateTranslation(position);
Matrix[] meshTransforms = new Matrix[model.Bones.Count];
model.CopyAbsoluteBoneTransformsTo(meshTransforms); // get bone transforms
// Set effect
Effect effect;
if (model.Tag is SkinningData && bones != null)
{
deferredSkinnedEffect.CurrentTechnique = deferredSkinnedEffect.Techniques["DeferredSkinned"];
effect = deferredSkinnedEffect;
effect.Parameters["xBones"].SetValue(bones);
}
else if (gmodel.Texture != null && renderState == RenderState.Deferred)
{
effect = deferredTextureEffect;
effect.Parameters["xTexture"].SetValue(gmodel.Texture);
}
else if (renderState == RenderState.Deferred)
{
deferredEffect.CurrentTechnique = deferredEffect.Techniques["Deferred"];
effect = deferredEffect;
}
else // shadow
{
deferredEffect.CurrentTechnique = deferredEffect.Techniques["DeferredLightMap"];
effect = deferredEffect;
}
// Emissive
if (gmodel.EmissiveTexture != null)
{
effect.Parameters["xEnableEmissiveTexture"].SetValue(1);
effect.Parameters["xEmissiveTex"].SetValue(gmodel.EmissiveTexture);
effect.Parameters["xEmissive"].SetValue(gmodel.Emissive);
}
else
{
effect.Parameters["xEnableEmissiveTexture"].SetValue(0);
effect.Parameters["xEmissive"].SetValue(gmodel.Emissive);
}
// Render the mesh
int iMeshColor = 0;
effect.Parameters["xWorld"].SetValue(world);
foreach (ModelMesh mesh in model.Meshes)
{
if (bones != null)
effect.Parameters["xBone"].SetValue(bones[mesh.ParentBone.Index]);
else
effect.Parameters["xBone"].SetValue(meshTransforms[mesh.ParentBone.Index]);
foreach (ModelMeshPart part in mesh.MeshParts)
{
if (gmodel.MaterialColors != null)
effect.Parameters["xColor"].SetValue(gmodel.MaterialColors[iMeshColor++]);
effect.CurrentTechnique.Passes[0].Apply(); // Deferred and DeferredTextured are both single-pass
Device.Indices = part.IndexBuffer;
Device.SetVertexBuffer(part.VertexBuffer);
Device.DrawIndexedPrimitives(
PrimitiveType.TriangleList,
part.VertexOffset,
0,
part.NumVertices,
part.StartIndex,
part.PrimitiveCount);
// draw call count
nDrawCalls++;
}
}
}
/// <summary>
/// Loads a model from a file and places it in the models dictionary.
/// </summary>
/// <param name="fileName">Path to model</param>
/// <param name="texture">Texture override (null for default)</param>
/// <param name="emissiveTexture">Emissive texture (or null)</param>
protected override GModel LoadModel(string fileName, string texture, string emissiveTexture)
{
GModel gmodel;
// Check for pre-existence
List<GModel> modelList;
if (models.ContainsKey(fileName))
{
modelList = models[fileName];
// Find GModel if it exists
foreach (GModel listModel in modelList)
{
if (listModel.TexturePath == texture && listModel.EmissivePath == emissiveTexture)
{
return listModel;
}
}
// Didn't find, copy an existing model
gmodel = new GModel(modelList[0]);
}
else
{
gmodel = new GModel();
modelList = new List<GModel>();
modelList.Add(gmodel);
models.Add(fileName, modelList);
// Load model
gmodel.model = content.Load<Model>(fileName);
gmodel.Texture = null;
//Load skinning and animation (null if none)
gmodel.skinningData = gmodel.model.Tag as SkinningData;
}
// Assign texture if one is provided
if (texture != null)
{
gmodel.Texture = content.Load<Texture2D>(texture);
gmodel.MaterialColors = null;
}
// Else, check for materials and textures
LinkedList<Vector3> colors = new LinkedList<Vector3>();
foreach (ModelMesh mesh in gmodel.model.Meshes)
{
foreach (ModelMeshPart part in mesh.MeshParts)
{
BasicEffect be = part.Effect as BasicEffect;
if (be != null && be.TextureEnabled)
{
gmodel.Texture = be.Texture; // only one texture supported
}
else
{
colors.AddLast(be != null ? be.DiffuseColor : Vector3.One);
}
}
}
gmodel.MaterialColors = gmodel.Texture == null ? colors.ToArray() : null;
gmodel.EmissiveTexture = null;
if (emissiveTexture != null)
gmodel.EmissiveTexture = content.Load<Texture2D>(emissiveTexture);
gmodel.Emissive = 0;
// HACK: workaround for the lack of a materials system
gmodel.IsWaterfall = (fileName == @"MapObjects\RttT\models\waterfall-1");
return gmodel;
}
/// <summary>
/// Draws a character's shield.
/// </summary>
/// <param name="shieldModel">Model</param>
/// <param name="position">Center position</param>
/// <param name="scale">Scale</param>
public override void DrawShield(GModel shieldModel, Vector3 position, float scale)
{
// Rasterizer state settings
if (Device.RasterizerState.FillMode != FillMode.Solid)
{
RasterizerState rs = new RasterizerState();
rs.FillMode = FillMode.Solid;
rs.CullMode = CullMode.CullCounterClockwiseFace;
Device.RasterizerState = rs;
}
Device.BlendState = BlendState.Additive;
// Parameters
Matrix world = Matrix.CreateScale(scale) * Matrix.CreateTranslation(position);
shieldEffect.Parameters["xWorld"].SetValue(world);
shieldEffect.Parameters["xShieldTex"].SetValue(shieldModel.Texture);
// Draw
shieldEffect.CurrentTechnique.Passes[0].Apply(); // single-pass
foreach (ModelMeshPart part in shieldModel.model.Meshes[0].MeshParts)
{
Device.Indices = part.IndexBuffer;
Device.SetVertexBuffer(part.VertexBuffer);
Device.DrawIndexedPrimitives(
PrimitiveType.TriangleList,
part.VertexOffset,
0,
part.NumVertices,
part.StartIndex,
part.PrimitiveCount);
// draw call count
nDrawCalls++;
}
}
/// <summary>
/// Draws a model with deferred shading.
/// </summary>
/// <param name="gmodel">Model info</param>
/// <param name="position">Position</param>
/// <param name="rotation">Rotation</param>
/// <param name="scale">Scale</param>
/// <param name="bones">Animation data.</param>
public override void DrawModel(GModel gmodel, Vector3 position, Quaternion rotation, Vector3 scale, Matrix[] bones)
{
// Rasterizer state settings
if (renderState == RenderState.Deferred && Device.RasterizerState.FillMode != FillMode.Solid)
{
RasterizerState rs = new RasterizerState();
rs.FillMode = FillMode.Solid;
rs.CullMode = CullMode.CullCounterClockwiseFace;
Device.RasterizerState = rs;
}
DrawDeferredShadedModel(gmodel, ref position, ref rotation, ref scale, true, bones);
}
/// <summary>
/// Draws a model with deferred shading.
/// </summary>
/// <param name="gmodel">Model info</param>
/// <param name="position">Position</param>
/// <param name="rotation">Rotation</param>
/// <param name="scale">Scale</param>
/// <param name="bones">Animation data.</param>
public override void DrawModel(GModel gmodel, Vector3 position, Quaternion rotation, float scale, Matrix[] bones)
{
DrawModel(gmodel, position, rotation, new Vector3(scale), bones);
}
/// <summary>
/// Draws a model with deferred shading.
/// </summary>
/// <param name="model">Model</param>
/// <param name="position">Position</param>
/// <param name="rotation">Model rotation</param>
public override void DrawModel(GModel gmodel, Vector3 position, Quaternion rotation, float scale)
{
DrawModel(gmodel, position, rotation, new Vector3(scale), null);
}
/// <summary>
/// Uses geometry instancing to draw several models. Models must have one
/// ModelMesh with a single ModelMeshPart.
/// </summary>
/// <param name="model">Model</param>
/// <param name="transforms">Transform data</param>
/// <param name="nPlatforms">Number of transforms</param>
public override void DrawInstancedPlatforms(GModel gmodel, Matrix[] transforms, int nPlatforms)
{
// The single mesh part being drawn.
ModelMeshPart meshPart = gmodel.model.Meshes[0].MeshParts[0];
if (instanceBuffer == null || instanceBuffer.VertexCount < nPlatforms)
{
if (instanceBuffer != null)
instanceBuffer.Dispose();
instanceBuffer = new DynamicVertexBuffer(Device, instanceDeclaration,
nPlatforms, BufferUsage.WriteOnly);
}
// Draw model
Device.RasterizerState = RasterizerState.CullCounterClockwise;
// Upload instance transform data
Device.SetVertexBuffers();
instanceBuffer.SetData(transforms, 0, nPlatforms, SetDataOptions.Discard);
Device.SetVertexBuffers(
new VertexBufferBinding(meshPart.VertexBuffer),
new VertexBufferBinding(instanceBuffer, 0, 1)
);
Device.Indices = meshPart.IndexBuffer;
if (gmodel.Texture != null && renderState == RenderState.Deferred)
{
instanceEffect.CurrentTechnique = instanceEffect.Techniques["DeferredInstancedTextured"];
instanceEffect.Parameters["xTexture"].SetValue(gmodel.Texture);
}
else if (renderState == RenderState.Deferred)
{
instanceEffect.CurrentTechnique = instanceEffect.Techniques["DeferredInstanced"];
instanceEffect.Parameters["xColor"].SetValue(gmodel.MaterialColors[0]);
}
else
{
instanceEffect.CurrentTechnique = instanceEffect.Techniques["DeferredInstancedLight"];
}
// Emissive
if (gmodel.EmissiveTexture != null)
{
instanceEffect.Parameters["xEnableEmissiveTexture"].SetValue(1);
instanceEffect.Parameters["xEmissiveTex"].SetValue(gmodel.EmissiveTexture);
instanceEffect.Parameters["xEmissive"].SetValue(gmodel.Emissive);
}
else
{
instanceEffect.Parameters["xEnableEmissiveTexture"].SetValue(0);
instanceEffect.Parameters["xEmissive"].SetValue(gmodel.Emissive);
}
instanceEffect.Parameters["xTextureOffset"].SetValue(
gmodel.IsWaterfall ? waterfallTimer / waterfallPeriod : 0);
instanceEffect.CurrentTechnique.Passes[0].Apply();
Device.DrawInstancedPrimitives(
PrimitiveType.TriangleList, 0, 0,
meshPart.NumVertices, meshPart.StartIndex,
meshPart.PrimitiveCount, nPlatforms);
}
/// <summary> /// Draws a character's shield. /// </summary> /// <param name="shieldModel">Model</param> /// <param name="position">Center position</param> /// <param name="scale">Scale</param> public abstract void DrawShield(GModel shieldModel, Vector3 position, float scale);
/// <summary> /// Draws a model with a basic shader. /// </summary> /// <param name="model">Model</param> /// <param name="position">Position</param> /// <param name="rotation">Model rotation</param> /// <param name="scale">Model scaling</param> public abstract void DrawModel(GModel gmodel, Vector3 position, Quaternion rotation, Vector3 scale, Matrix[] bones);
/// <summary> /// Draws a model with a basic shader. /// </summary> /// <param name="model">Model</param> /// <param name="position">Position</param> /// <param name="rotation">Model rotation</param> public abstract void DrawModel(GModel gmodel, Vector3 position, Quaternion rotation, float scale);
/// <summary> /// Uses geometry instancing to draw several models. Models must have one /// ModelMesh with a single ModelMeshPart. /// </summary> /// <param name="model">Model</param> /// <param name="transforms">Transform data</param> /// <param name="nPlatforms">Number of transforms</param> public abstract void DrawInstancedPlatforms(GModel model, Matrix[] transforms, int nPlatforms);
