void DrawSkyY(int x1, int z1, int x2, int z2, int y, int axisSize, FastColour col, VertexPos3fCol4b[] vertices)
{
int endX = x2, endZ = z2, startZ = z1;
int i = 0;
for ( ; x1 < endX; x1 += axisSize)
{
x2 = x1 + axisSize;
if (x2 > endX)
{
x2 = endX;
}
z1 = startZ;
for ( ; z1 < endZ; z1 += axisSize)
{
z2 = z1 + axisSize;
if (z2 > endZ)
{
z2 = endZ;
}
vertices[i++] = new VertexPos3fCol4b(x1, y, z1, col);
vertices[i++] = new VertexPos3fCol4b(x1, y, z2, col);
vertices[i++] = new VertexPos3fCol4b(x2, y, z2, col);
vertices[i++] = new VertexPos3fCol4b(x2, y, z1, col);
}
}
}
void YQuad(float y, float x1, float z1, float x2, float z2)
{
vertices[index++] = new VertexPos3fCol4b(x1, y, z1, col);
vertices[index++] = new VertexPos3fCol4b(x1, y, z2, col);
vertices[index++] = new VertexPos3fCol4b(x2, y, z2, col);
vertices[index++] = new VertexPos3fCol4b(x2, y, z1, col);
}
void InitData()
{
vertices = new VertexPos3fCol4b[256 * VerticesCount];
lineVertices = new VertexPos3fCol4b[256 * LineVerticesCount];
vb = Graphics.CreateDynamicVb(VertexFormat.Pos3fCol4b, vertices.Length);
lineVb = Graphics.CreateDynamicVb(VertexFormat.Pos3fCol4b, lineVertices.Length);
}
void XQuad(float x, float z1, float y1, float z2, float y2)
{
vertices[index++] = new VertexPos3fCol4b(x, y1, z1, col);
vertices[index++] = new VertexPos3fCol4b(x, y2, z1, col);
vertices[index++] = new VertexPos3fCol4b(x, y2, z2, col);
vertices[index++] = new VertexPos3fCol4b(x, y1, z2, col);
}
public void Render( double delta, Vector3 cameraPos, VertexPos3fCol4b[] vertices, VertexPos3fCol4b[] lineVertices,
ref int index, ref int lineIndex )
{
float dist = Math.Min( Utils.DistanceSquared( (Vector3)Min, cameraPos ),
Utils.DistanceSquared( (Vector3)Max, cameraPos ) );
float offset = dist < 32 * 32 ? 1/32f : 1/16f;
Vector3 p1 = (Vector3)Min + new Vector3( offset );
Vector3 p2 = (Vector3)Max - new Vector3( offset );
FastColour col = Colour;
YQuad( vertices, ref index, p1.X, p1.Z, p2.X, p2.Z, p1.Y, col ); // bottom
YQuad( vertices, ref index, p1.X, p1.Z, p2.X, p2.Z, p2.Y, col ); // top
XQuad( vertices, ref index, p1.X, p1.Y, p2.X, p2.Y, p1.Z, col ); // sides
XQuad( vertices, ref index, p1.X, p1.Y, p2.X, p2.Y, p2.Z, col );
ZQuad( vertices, ref index, p1.Z, p1.Y, p2.Z, p2.Y, p1.X, col );
ZQuad( vertices, ref index, p1.Z, p1.Y, p2.Z, p2.Y, p2.X, col );
col = new FastColour( (byte)~col.R, (byte)~col.G, (byte)~col.B );
// bottom face
Line( lineVertices, ref lineIndex, p1.X, p1.Y, p1.Z, p2.X, p1.Y, p1.Z, col );
Line( lineVertices, ref lineIndex, p2.X, p1.Y, p1.Z, p2.X, p1.Y, p2.Z, col );
Line( lineVertices, ref lineIndex, p2.X, p1.Y, p2.Z, p1.X, p1.Y, p2.Z, col );
Line( lineVertices, ref lineIndex, p1.X, p1.Y, p2.Z, p1.X, p1.Y, p1.Z, col );
// top face
Line( lineVertices, ref lineIndex, p1.X, p2.Y, p1.Z, p2.X, p2.Y, p1.Z, col );
Line( lineVertices, ref lineIndex, p2.X, p2.Y, p1.Z, p2.X, p2.Y, p2.Z, col );
Line( lineVertices, ref lineIndex, p2.X, p2.Y, p2.Z, p1.X, p2.Y, p2.Z, col );
Line( lineVertices, ref lineIndex, p1.X, p2.Y, p2.Z, p1.X, p2.Y, p1.Z, col );
// side faces
Line( lineVertices, ref lineIndex, p1.X, p1.Y, p1.Z, p1.X, p2.Y, p1.Z, col );
Line( lineVertices, ref lineIndex, p2.X, p1.Y, p1.Z, p2.X, p2.Y, p1.Z, col );
Line( lineVertices, ref lineIndex, p2.X, p1.Y, p2.Z, p2.X, p2.Y, p2.Z, col );
Line( lineVertices, ref lineIndex, p1.X, p1.Y, p2.Z, p1.X, p2.Y, p2.Z, col );
}
void HorQuad(ref int index, float x1, float z1, float x2, float z2, float y, FastColour col)
{
vertices[index++] = new VertexPos3fCol4b(x1, y, z1, col);
vertices[index++] = new VertexPos3fCol4b(x1, y, z2, col);
vertices[index++] = new VertexPos3fCol4b(x2, y, z2, col);
vertices[index++] = new VertexPos3fCol4b(x2, y, z1, col);
}
void ZQuad(float z, float x1, float y1, float x2, float y2)
{
vertices[index++] = new VertexPos3fCol4b(x1, y1, z, col);
vertices[index++] = new VertexPos3fCol4b(x1, y2, z, col);
vertices[index++] = new VertexPos3fCol4b(x2, y2, z, col);
vertices[index++] = new VertexPos3fCol4b(x2, y1, z, col);
}
static void YQuad( VertexPos3fCol4b[] vertices, ref int index, float x1, float z1,
float x2, float z2, float y, FastColour col )
{
vertices[index++] = new VertexPos3fCol4b( x1, y, z1, col );
vertices[index++] = new VertexPos3fCol4b( x1, y, z2, col );
vertices[index++] = new VertexPos3fCol4b( x2, y, z2, col );
vertices[index++] = new VertexPos3fCol4b( x2, y, z1, col );
}
static void XQuad( VertexPos3fCol4b[] vertices, ref int index, float x1, float y1,
float x2, float y2, float z, FastColour col )
{
vertices[index++] = new VertexPos3fCol4b( x1, y1, z, col );
vertices[index++] = new VertexPos3fCol4b( x1, y2, z, col );
vertices[index++] = new VertexPos3fCol4b( x2, y2, z, col );
vertices[index++] = new VertexPos3fCol4b( x2, y1, z, col );
}
static void ZQuad(VertexPos3fCol4b[] vertices, ref int index, float z1, float y1,
float z2, float y2, float x, FastColour col)
{
vertices[index++] = new VertexPos3fCol4b(x, y1, z1, col);
vertices[index++] = new VertexPos3fCol4b(x, y2, z1, col);
vertices[index++] = new VertexPos3fCol4b(x, y2, z2, col);
vertices[index++] = new VertexPos3fCol4b(x, y1, z2, col);
}
static void XQuad(VertexPos3fCol4b[] vertices, ref int index, float x1, float y1,
float x2, float y2, float z, FastColour col)
{
vertices[index++] = new VertexPos3fCol4b(x1, y1, z, col);
vertices[index++] = new VertexPos3fCol4b(x1, y2, z, col);
vertices[index++] = new VertexPos3fCol4b(x2, y2, z, col);
vertices[index++] = new VertexPos3fCol4b(x2, y1, z, col);
}
public virtual void Draw2DQuad(float x, float y, float width, float height, FastColour col)
{
quadVerts[0] = new VertexPos3fCol4b(x, y, 0, col);
quadVerts[1] = new VertexPos3fCol4b(x + width, y, 0, col);
quadVerts[2] = new VertexPos3fCol4b(x + width, y + height, 0, col);
quadVerts[3] = new VertexPos3fCol4b(x, y + height, 0, col);
SetBatchFormat(VertexFormat.Pos3fCol4b);
UpdateDynamicIndexedVb(DrawMode.Triangles, quadVb, quadVerts, 4, 6);
}
void ResetSky(int extent, int axisSize)
{
extent = Utils.AdjViewDist(extent);
int x1 = -extent, x2 = map.Width + extent;
int z1 = -extent, z2 = map.Length + extent;
skyVertices = Utils.CountVertices(x2 - x1, z2 - z1, axisSize);
VertexPos3fCol4b[] vertices = new VertexPos3fCol4b[skyVertices];
int height = Math.Max(map.Height + 2 + 6, map.CloudHeight + 6);
DrawSkyY(x1, z1, x2, z2, height, axisSize, map.SkyCol, vertices);
skyVb = graphics.CreateVb(vertices, VertexFormat.Pos3fCol4b, skyVertices);
}
void ZQuad( ref int index, float z1, float z2, float y1, float y2, float x, FastColour col )
{
vertices[index++] = new VertexPos3fCol4b( x, y1, z1, col );
vertices[index++] = new VertexPos3fCol4b( x, y2, z1, col );
vertices[index++] = new VertexPos3fCol4b( x, y2, z2, col );
vertices[index++] = new VertexPos3fCol4b( x, y1, z2, col );
}
void InitData()
{
vertices = new VertexPos3fCol4b[256 * VerticesCount];
lineVertices = new VertexPos3fCol4b[256 * LineVerticesCount];
vb = Graphics.CreateDynamicVb( VertexFormat.Pos3fCol4b, vertices.Length );
lineVb = Graphics.CreateDynamicVb( VertexFormat.Pos3fCol4b, lineVertices.Length );
}
void RenderXPlane( ref int index, float x1, float x2, float y1, float y2, float z, FastColour col )
{
vertices[index++] = new VertexPos3fCol4b( x1, y1, z, col );
vertices[index++] = new VertexPos3fCol4b( x1, y2, z, col );
vertices[index++] = new VertexPos3fCol4b( x2, y2, z, col );
vertices[index++] = new VertexPos3fCol4b( x2, y1, z, col );
}
void RenderYPlane( ref int index, float x1, float z1, float x2, float z2, float y, FastColour col )
{
vertices[index++] = new VertexPos3fCol4b( x1, y, z1, col );
vertices[index++] = new VertexPos3fCol4b( x1, y, z2, col );
vertices[index++] = new VertexPos3fCol4b( x2, y, z2, col );
vertices[index++] = new VertexPos3fCol4b( x2, y, z1, col );
}
void DrawXPlane( float x, float z1, float y1, float z2, float y2 )
{
vertices[index++] = new VertexPos3fCol4b( x, y1, z1, col );
vertices[index++] = new VertexPos3fCol4b( x, y2, z1, col );
vertices[index++] = new VertexPos3fCol4b( x, y2, z2, col );
vertices[index++] = new VertexPos3fCol4b( x, y1, z2, col );
}
void DrawZPlane( float z, float x1, float y1, float x2, float y2 )
{
vertices[index++] = new VertexPos3fCol4b( x1, y1, z, col );
vertices[index++] = new VertexPos3fCol4b( x1, y2, z, col );
vertices[index++] = new VertexPos3fCol4b( x2, y2, z, col );
vertices[index++] = new VertexPos3fCol4b( x2, y1, z, col );
}
void Line( ref int index, float x1, float y1, float z1, float x2, float y2, float z2, FastColour col )
{
vertices[index++] = new VertexPos3fCol4b( x1, y1, z1, col );
vertices[index++] = new VertexPos3fCol4b( x2, y2, z2, col );
}
void DrawYPlane( float y, float x1, float z1, float x2, float z2 )
{
vertices[index++] = new VertexPos3fCol4b( x1, y, z1, col );
vertices[index++] = new VertexPos3fCol4b( x1, y, z2, col );
vertices[index++] = new VertexPos3fCol4b( x2, y, z2, col );
vertices[index++] = new VertexPos3fCol4b( x2, y, z1, col );
}
void DrawSkyY( int x1, int z1, int x2, int z2, int y, int axisSize, FastColour col, VertexPos3fCol4b* vertices )
{
int endX = x2, endZ = z2, startZ = z1;
for( ; x1 < endX; x1 += axisSize ) {
x2 = x1 + axisSize;
if( x2 > endX ) x2 = endX;
z1 = startZ;
for( ; z1 < endZ; z1 += axisSize ) {
z2 = z1 + axisSize;
if( z2 > endZ ) z2 = endZ;
*vertices++ = new VertexPos3fCol4b( x1, y, z1, col );
*vertices++ = new VertexPos3fCol4b( x1, y, z2, col );
*vertices++ = new VertexPos3fCol4b( x2, y, z2, col );
*vertices++ = new VertexPos3fCol4b( x2, y, z1, col );
}
}
}
