private void RenderSky(EffectWrapper pEffect, EffectPass pEffectPass)
{
ModelMeshPart meshPart = m_pSkyDomeModel.Meshes[0].MeshParts[0];
pEffect.GraphicsDevice.Indices = meshPart.IndexBuffer;
pEffect.GraphicsDevice.SetVertexBuffer(meshPart.VertexBuffer, meshPart.VertexOffset);
pEffect.GraphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList,
meshPart.VertexOffset,
0,
meshPart.NumVertices,
meshPart.StartIndex,
meshPart.PrimitiveCount);
}
protected override void LoadContent()
{
m_pGraphicsDevice = this.GraphicsDevice;
m_pEffect = new EffectWrapper(this.Game, m_pGraphicsDevice,
@"Effects\Terrain");
m_pElevationData = new ElevationData(this.Game, m_pGraphicsDevice, @"Content\Terrains\SimpleLoop");
for (int i = 0, length = m_pLevels.Length; i < length; i++)
{
Level pLevel = m_pLevels[i];
Level pNextFinerLevel = null, pNextCoarserLevel = null;
if (i != length - 1)
pNextFinerLevel = m_pLevels[i + 1];
if (i > 0)
pNextCoarserLevel = m_pLevels[i - 1];
pLevel.Create(m_pGraphicsDevice, pNextFinerLevel, pNextCoarserLevel, (IntVector2) m_pViewer.Position2D);
}
foreach (Level pLevel in m_pLevels)
{
pLevel.Create2(m_pGraphicsDevice);
}
m_pSky.Create(m_pGraphicsDevice);
m_pTextFont = Game.Content.Load<SpriteFont>(@"Fonts\LucidaConsole");
m_pLevelHeightMap = new SpriteBatch(m_pGraphicsDevice);
m_pGrassTexture = Game.Content.Load<Texture2D>(@"Terrains\Grass");
base.LoadContent();
}
private void RenderInteriorTrim(EffectWrapper pEffect, EffectPass pEffectPass)
{
pEffect.GraphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleStrip,
0, // base vertex
0, // min vertex index
Settings.INTERIOR_TRIM_NUM_VERTICES, // total num vertices - note that is NOT just vertices that are indexed, but all vertices
0, // start index
Settings.INTERIOR_TRIM_NUM_PRIMITIVES); // primitive count
}
public override void Render(EffectWrapper pEffect)
{
pEffect.GraphicsDevice.SetVertexBuffer(m_pSharedVertexBuffers[(int) m_eActiveInteriorTrim]);
pEffect.GraphicsDevice.Indices = m_pSharedIndexBuffer;
// set offset (scaling should be done in level)
pEffect.SetValue("ScaleFactor", m_tScaleFactor);
pEffect.Render(new RenderCallback(RenderInteriorTrim));
}
public void Create(GraphicsDevice pGraphicsDevice)
{
m_pSkyDomeModel = AssetLoader.LoadAsset<Model>(@"Models\SkyUnitDome", m_pGame, pGraphicsDevice);
m_pEffect = new EffectWrapper(m_pGame, pGraphicsDevice, @"Effects\Sky");
}
public override void Render(EffectWrapper pEffect)
{
pEffect.GraphicsDevice.SetVertexBuffer(m_pSharedVertexBuffer);
pEffect.GraphicsDevice.Indices = m_pSharedIndexBuffer;
// set offset (scaling should be done in level)
pEffect.SetValue("ScaleFactor", m_tScaleFactor);
pEffect.Render(new RenderCallback(RenderRingFixups));
}
public void Render(EffectWrapper pEffect, EffectPass pEffectPass)
{
if (m_bVisible)
{
pEffect.SetValue("FineBlockOrig", m_tFineBlockOrig);
pEffect.SetValue("FineBlockOrig2", m_tFineBlockOrig2);
pEffect.SetValue("ScaleFactor", m_tScaleFactor);
pEffectPass.Apply();
// render
pEffect.GraphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleStrip,
0, // base vertex
0, // min vertex index
Settings.BLOCK_NUM_VERTICES, // total num vertices - note that is NOT just vertices that are indexed, but all vertices
0, // start index
Settings.BLOCK_NUM_PRIMITIVES); // primitive count
}
}
public abstract void Render(EffectWrapper pEffect);
private void RenderCentreBlocks(EffectWrapper pEffect, EffectPass pEffectPass)
{
foreach (Block pBlock in m_pCentreBlocks)
{
pBlock.Render(pEffect, pEffectPass);
}
}
public void Render(EffectWrapper pEffect)
{
// apply vertex texture
pEffect.SetValue("ElevationTexture", m_pElevationTexture);
pEffect.SetValue("ViewerPos", (m_pParentTerrain.Viewer.Position2D - m_tPositionMin) / m_nGridSpacing);
pEffect.SetValue("AlphaOffset", Settings.AlphaOffset);
pEffect.SetValue("OneOverWidth", Settings.TransitionWidthInverse);
pEffect.SetValue("GridSize", Settings.GRID_SIZE_N);
pEffect.SetValue("GrassTexture", m_pParentTerrain.GrassTexture);
pEffect.SetValue("NormalMapTexture", m_pNormalMapTexture);
Vector2 tCoarserGridPosMin = new Vector2();
if (m_pNextCoarserLevel != null)
tCoarserGridPosMin = m_pNextCoarserLevel.InteriorTrim.CoarserGridPosMin;
pEffect.SetValue("CoarserNormalMapTextureOffset", tCoarserGridPosMin);
pEffect.SetValue("CoarserNormalMapTexture", (m_pNextCoarserLevel != null) ? m_pNextCoarserLevel.NormalMapTexture : null);
pEffect.SetValue("NormalMapTextureSizeInverse", Settings.NORMAL_MAP_TEXTURE_SIZE_INVERSE);
pEffect.SetValue("NormalMapTextureSize", Settings.NORMAL_MAP_TEXTURE_SIZE);
pEffect.SetValue("LightDirection", Vector3.Normalize(new Vector3(0.0f, 0.0f, 1)));
Vector2 tToroidalOriginScaled = (Vector2) m_tToroidalOrigin / (float) Settings.ELEVATION_TEXTURE_SIZE;
Vector2 tGridSizeScaled = new Vector2(((float) Settings.GRID_SIZE_N / (float) Settings.ELEVATION_TEXTURE_SIZE));
pEffect.SetValue("ToroidalOffsets", new Vector4(tToroidalOriginScaled, tGridSizeScaled.X, tGridSizeScaled.Y));
pEffect.SetValue("ElevationTextureSize", Settings.ELEVATION_TEXTURE_SIZE);
#region Render blocks
pEffect.SetValue("Shading", new Vector4(0.7f, 0.0f, 0.0f, 1.0f));
// we set the vertices and indices here because they are the same for all blocks
pEffect.GraphicsDevice.SetVertexBuffer(Block.SharedVertexBuffer);
pEffect.GraphicsDevice.Indices = Block.SharedIndexBuffer;
pEffect.Render(new RenderCallback(RenderBlocks));
#endregion
#region Render ring fix-ups
pEffect.SetValue("FineBlockOrig", new Vector4(Settings.ELEVATION_TEXTURE_SIZE_INVERSE, Settings.ELEVATION_TEXTURE_SIZE_INVERSE, 0.0f, 0.0f));
pEffect.SetValue("FineBlockOrig2", Vector2.Zero);
pEffect.SetValue("Shading", new Vector4(0.0f, 0.7f, 0.0f, 1.0f));
m_pRingFixups.Render(pEffect);
#endregion
#region Render interior trim
pEffect.SetValue("FineBlockOrig", new Vector4(Settings.ELEVATION_TEXTURE_SIZE_INVERSE, Settings.ELEVATION_TEXTURE_SIZE_INVERSE, 0.0f, 0.0f));
pEffect.SetValue("FineBlockOrig2", Vector2.Zero);
pEffect.SetValue("Shading", new Vector4(0.0f, 0.0f, 0.7f, 1.0f));
m_pInteriorTrim.Render(pEffect);
#endregion
#region Render centre blocks for finest level
if (m_bFinestLevel)
{
pEffect.SetValue("Shading", new Vector4(0.7f, 0.7f, 0.0f, 1.0f));
// we set the vertices and indices here because they are the same for all blocks
pEffect.GraphicsDevice.SetVertexBuffer(Block.SharedVertexBuffer);
pEffect.GraphicsDevice.Indices = Block.SharedIndexBuffer;
pEffect.Render(new RenderCallback(RenderCentreBlocks));
pEffect.SetValue("FineBlockOrig", new Vector4(Settings.ELEVATION_TEXTURE_SIZE_INVERSE, Settings.ELEVATION_TEXTURE_SIZE_INVERSE, 0.0f, 0.0f));
pEffect.SetValue("FineBlockOrig2", Vector2.Zero);
pEffect.SetValue("Shading", new Vector4(0.0f, 0.0f, 0.7f, 1.0f));
m_pCentreInteriorTrim.Render(pEffect);
}
#endregion
#region Render edge stitches
pEffect.SetValue("FineBlockOrig", new Vector4(Settings.ELEVATION_TEXTURE_SIZE_INVERSE, Settings.ELEVATION_TEXTURE_SIZE_INVERSE, 0.0f, 0.0f));
pEffect.SetValue("FineBlockOrig2", Vector2.Zero);
pEffect.SetValue("Shading", new Vector4(0.7f, 0.7f, 0.0f, 1.0f));
m_pEdgeStitches.Render(pEffect);
#endregion
}
private void RenderNormalMapTexture(EffectWrapper pEffect, EffectPass pEffectPass)
{
float fMinVertexX = 0.0f;
float fMaxVertexX = Settings.NORMAL_MAP_TEXTURE_SIZE - 1;
float fMinVertexY = fMaxVertexX;
float fMaxVertexY = 0.0f;
TextureVertex[] pVertices = new TextureVertex[4];
// (-1, -1)
pVertices[0] = new TextureVertex(new Vector2(fMinVertexX, fMinVertexY));
// (-1, 1)
pVertices[1] = new TextureVertex(new Vector2(fMinVertexX, fMaxVertexY));
// (1, -1)
pVertices[2] = new TextureVertex(new Vector2(fMaxVertexX, fMinVertexY));
// (1, 1)
pVertices[3] = new TextureVertex(new Vector2(fMaxVertexX, fMaxVertexY));
pEffect.GraphicsDevice.DrawUserPrimitives<TextureVertex>(
PrimitiveType.TriangleStrip,
pVertices, 0, 2);
}
private static void RenderElevationTexture(EffectWrapper pEffect, EffectPass pEffectPass)
{
float fMinVertexX = 0.0f;
float fMaxVertexX = Settings.ELEVATION_TEXTURE_SIZE;
float fMinVertexY = Settings.ELEVATION_TEXTURE_SIZE;
float fMaxVertexY = 0.0f;
TextureVertex[] pVertices = new TextureVertex[4];
// (-1, -1)
pVertices[0] = new TextureVertex(new Vector2(fMinVertexX, fMinVertexY));
// (-1, 1)
pVertices[1] = new TextureVertex(new Vector2(fMinVertexX, fMaxVertexY));
// (1, -1)
pVertices[2] = new TextureVertex(new Vector2(fMaxVertexX, fMinVertexY));
// (1, 1)
pVertices[3] = new TextureVertex(new Vector2(fMaxVertexX, fMaxVertexY));
pEffect.GraphicsDevice.DrawUserPrimitives<TextureVertex>(
PrimitiveType.TriangleStrip,
pVertices, 0, 2);
}
public void Create(GraphicsDevice pGraphicsDevice, Level pNextFinerLevel, Level pNextCoarserLevel, IntVector2 tViewerPosition2D)
{
foreach (Block pBlock in m_pBlocks)
{
pBlock.Create(pGraphicsDevice);
}
m_pRingFixups.Create(pGraphicsDevice);
m_pInteriorTrim.Create(pGraphicsDevice);
foreach (Block pBlock in m_pCentreBlocks)
{
pBlock.Create(pGraphicsDevice);
}
m_pCentreInteriorTrim.Create(pGraphicsDevice);
m_pEdgeStitches.Create(pGraphicsDevice);
m_pNextFinerLevel = pNextFinerLevel;
m_pNextCoarserLevel = pNextCoarserLevel;
// set initial min position of level
IntVector2 tViewerPosGridCoords = (tViewerPosition2D - m_tPositionMin) / m_nGridSpacing;
IntVector2 tDeltaPositionTemp1 = tViewerPosGridCoords - Settings.CentralSquareMin;
IntVector2 tDeltaPositionTemp2 = new IntVector2(Math.Abs(tDeltaPositionTemp1.X), Math.Abs(tDeltaPositionTemp1.Y));
IntVector2 tDeltaPositionTemp3 = tDeltaPositionTemp1 - (tDeltaPositionTemp2 % 2);
m_tPositionMin += tDeltaPositionTemp3 * m_nGridSpacing;
m_pElevationTexture = new RenderTarget2D(pGraphicsDevice,
Settings.ELEVATION_TEXTURE_SIZE,
Settings.ELEVATION_TEXTURE_SIZE,
false,
SurfaceFormat.Vector2,
DepthFormat.None);
m_pNormalMapTexture = new RenderTarget2D(pGraphicsDevice,
Settings.NORMAL_MAP_TEXTURE_SIZE,
Settings.NORMAL_MAP_TEXTURE_SIZE,
false,
SurfaceFormat.HalfVector2,
DepthFormat.None);
m_pNormalMapUpdateEffect = new EffectWrapper(m_pParentTerrain.ParentGame, pGraphicsDevice,
@"Effects\ComputeNormals");
m_pElevationUpdateEffect = new EffectWrapper(m_pParentTerrain.ParentGame, pGraphicsDevice,
@"Effects\UpdateElevation");
}
