/// <summary>
/// Creates the vertex buffer which includes all four ring fixup vertices.
/// There is a fixup on each side of the level, in the middle.
/// </summary>
/// <param name="pGraphicsDevice"></param>
private void CreateSharedVertexBuffer(GraphicsDevice pGraphicsDevice)
{
// create vertices
TerrainVertex.Shared[] pVertices = new TerrainVertex.Shared[Settings.EDGE_STITCHES_NUM_VERTICES];
int nCounter = 0;
// bottom side
for (short x = 0; x < Settings.GRID_SIZE_N; x++)
{
pVertices[nCounter++] = new TerrainVertex.Shared(x, 0);
}
// right side
for (short y = 1; y < Settings.GRID_SIZE_N; y++)
{
pVertices[nCounter++] = new TerrainVertex.Shared(Settings.GRID_SIZE_N_MINUS_ONE, y);
}
// top side
for (short x = Settings.GRID_SIZE_N_MINUS_ONE - 1; x >= 0; x--)
{
pVertices[nCounter++] = new TerrainVertex.Shared(x, Settings.GRID_SIZE_N_MINUS_ONE);
}
// left side
for (short y = Settings.GRID_SIZE_N_MINUS_ONE - 1; y >= 0; y--)
{
pVertices[nCounter++] = new TerrainVertex.Shared(0, y);
}
// create shared vertex buffer
m_pSharedVertexBuffer = new VertexBuffer(
pGraphicsDevice,
TerrainVertex.Shared.VertexDeclaration,
Settings.EDGE_STITCHES_NUM_VERTICES,
BufferUsage.None);
m_pSharedVertexBuffer.SetData(pVertices);
}
private void CreateSharedVertexBuffer(GraphicsDevice pGraphicsDevice, WhichInteriorTrim eWhichInteriorTrim)
{
// create vertices
TerrainVertex.Shared[] pVertices = new TerrainVertex.Shared[Settings.INTERIOR_TRIM_NUM_VERTICES];
switch (eWhichInteriorTrim)
{
case WhichInteriorTrim.TopLeft:
PopulateVerticesTopLeft(pVertices);
break;
case WhichInteriorTrim.TopRight:
PopulateVerticesTopRight(pVertices);
break;
case WhichInteriorTrim.BottomLeft:
PopulateVerticesBottomLeft(pVertices);
break;
case WhichInteriorTrim.BottomRight:
PopulateVerticesBottomRight(pVertices);
break;
}
// create shared vertex buffer
m_pSharedVertexBuffers[(int) eWhichInteriorTrim] = new VertexBuffer(
pGraphicsDevice,
TerrainVertex.Shared.VertexDeclaration,
Settings.INTERIOR_TRIM_NUM_VERTICES,
BufferUsage.None);
m_pSharedVertexBuffers[(int) eWhichInteriorTrim].SetData(pVertices);
}
/// <summary>
/// Creates the vertex buffer for the bottom right interior trim
/// </summary>
/// <param name="pGraphicsDevice"></param>
private void PopulateVerticesBottomRight(TerrainVertex.Shared[] pVertices)
{
int nCounter = 0;
// bottom segment
for (short y = Settings.BLOCK_SIZE_M_MINUS_ONE; y < Settings.BLOCK_SIZE_M + 1; y++)
{
for (short x = Settings.BLOCK_SIZE_M_MINUS_ONE; x < Settings.GRID_SIZE_N - Settings.BLOCK_SIZE_M_MINUS_ONE; x++)
{
// write shared data
pVertices[nCounter++] = new TerrainVertex.Shared(x, y);
}
}
// right segment
for (short y = Settings.BLOCK_SIZE_M; y < (3 * Settings.BLOCK_SIZE_M); y++)
{
for (short x = Settings.GRID_SIZE_N - Settings.BLOCK_SIZE_M - 1; x < Settings.GRID_SIZE_N - Settings.BLOCK_SIZE_M_MINUS_ONE; x++)
{
// write shared data
pVertices[nCounter++] = new TerrainVertex.Shared(x, y);
}
}
}
/// <summary>
/// Creates the vertex buffer which includes all four ring fixup vertices.
/// There is a fixup on each side of the level, in the middle.
/// </summary>
/// <param name="pGraphicsDevice"></param>
private void CreateSharedVertexBuffer(GraphicsDevice pGraphicsDevice)
{
// create vertices
TerrainVertex.Shared[] pVertices = new TerrainVertex.Shared[Settings.RING_FIXUPS_NUM_VERTICES];
int nCounter = 0;
// left side
for (short y = Settings.BLOCK_SIZE_M_MINUS_ONE * 2; y < (Settings.BLOCK_SIZE_M_MINUS_ONE * 2) + 3; y++)
{
for (short x = 0; x < Settings.BLOCK_SIZE_M; x++)
{
// write shared data
pVertices[nCounter++] = new TerrainVertex.Shared(x, y);
}
}
// top side
for (short y = Settings.GRID_SIZE_N_MINUS_ONE - Settings.BLOCK_SIZE_M_MINUS_ONE; y < Settings.GRID_SIZE_N; y++)
{
for (short x = Settings.BLOCK_SIZE_M_MINUS_ONE * 2; x < (Settings.BLOCK_SIZE_M_MINUS_ONE * 2) + 3; x++)
{
// write shared data
pVertices[nCounter++] = new TerrainVertex.Shared(x, y);
}
}
// right side
for (short y = Settings.BLOCK_SIZE_M_MINUS_ONE * 2; y < (Settings.BLOCK_SIZE_M_MINUS_ONE * 2) + 3; y++)
{
for (short x = Settings.GRID_SIZE_N_MINUS_ONE - Settings.BLOCK_SIZE_M_MINUS_ONE; x < Settings.GRID_SIZE_N; x++)
{
// write shared data
pVertices[nCounter++] = new TerrainVertex.Shared(x, y);
}
}
// bottom side
for (short y = 0; y < Settings.BLOCK_SIZE_M; y++)
{
for (short x = Settings.BLOCK_SIZE_M_MINUS_ONE * 2; x < (Settings.BLOCK_SIZE_M_MINUS_ONE * 2) + 3; x++)
{
// write shared data
pVertices[nCounter++] = new TerrainVertex.Shared(x, y);
}
}
// create shared vertex buffer
m_pSharedVertexBuffer = new VertexBuffer(
pGraphicsDevice,
TerrainVertex.Shared.VertexDeclaration,
Settings.RING_FIXUPS_NUM_VERTICES,
BufferUsage.None);
m_pSharedVertexBuffer.SetData<TerrainVertex.Shared>(pVertices);
}
private void CreateSharedVertexBuffer(GraphicsDevice pGraphicsDevice)
{
// create vertices
TerrainVertex.Shared[] pVertices = new TerrainVertex.Shared[Settings.BLOCK_NUM_VERTICES];
int nCounter = 0;
for (short y = 0; y < Settings.BLOCK_SIZE_M; y++)
{
for (short x = 0; x < Settings.BLOCK_SIZE_M; x++)
{
// write shared data
pVertices[nCounter++] = new TerrainVertex.Shared(x, y);
}
}
// create shared vertex buffer
m_pSharedVertexBuffer = new VertexBuffer(
pGraphicsDevice,
TerrainVertex.Shared.VertexDeclaration,
Settings.BLOCK_NUM_VERTICES,
BufferUsage.None);
m_pSharedVertexBuffer.SetData<TerrainVertex.Shared>(pVertices);
}