void DrawY(int x1, int z1, int x2, int z2, int y, int axisSize, FastColour col, ref VertexPos3fTex2fCol4b *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;
}
TextureRec rec = new TextureRec(0, 0, x2 - x1, z2 - z1);
* vertices++ = new VertexPos3fTex2fCol4b(x1, y, z1, rec.U1, rec.V1, col);
* vertices++ = new VertexPos3fTex2fCol4b(x1, y, z2, rec.U1, rec.V2, col);
* vertices++ = new VertexPos3fTex2fCol4b(x2, y, z2, rec.U2, rec.V2, col);
* vertices++ = new VertexPos3fTex2fCol4b(x2, y, z1, rec.U2, rec.V1, col);
}
}
}
void DrawX(int x, int z1, int z2, int y1, int y2, int axisSize, FastColour col, ref VertexPos3fTex2fCol4b *vertices)
{
int endZ = z2, endY = y2, startY = y1;
for ( ; z1 < endZ; z1 += axisSize)
{
z2 = z1 + axisSize;
if (z2 > endZ)
{
z2 = endZ;
}
y1 = startY;
for ( ; y1 < endY; y1 += axisSize)
{
y2 = y1 + axisSize;
if (y2 > endY)
{
y2 = endY;
}
TextureRec rec = new TextureRec(0, 0, z2 - z1, y2 - y1);
* vertices++ = new VertexPos3fTex2fCol4b(x, y1, z1, rec.U1, rec.V2, col);
* vertices++ = new VertexPos3fTex2fCol4b(x, y2, z1, rec.U1, rec.V1, col);
* vertices++ = new VertexPos3fTex2fCol4b(x, y2, z2, rec.U2, rec.V1, col);
* vertices++ = new VertexPos3fTex2fCol4b(x, y1, z2, rec.U2, rec.V2, col);
}
}
}
void DrawZ(int z, int x1, int x2, int y1, int y2, int axisSize, FastColour col, ref VertexPos3fTex2fCol4b *vertices)
{
int endX = x2, endY = y2, startY = y1;
for ( ; x1 < endX; x1 += axisSize)
{
x2 = x1 + axisSize;
if (x2 > endX)
{
x2 = endX;
}
y1 = startY;
for ( ; y1 < endY; y1 += axisSize)
{
y2 = y1 + axisSize;
if (y2 > endY)
{
y2 = endY;
}
TextureRec rec = new TextureRec(0, 0, x2 - x1, y2 - y1);
* vertices++ = new VertexPos3fTex2fCol4b(x1, y1, z, rec.U1, rec.V2, col);
* vertices++ = new VertexPos3fTex2fCol4b(x1, y2, z, rec.U1, rec.V1, col);
* vertices++ = new VertexPos3fTex2fCol4b(x2, y2, z, rec.U2, rec.V1, col);
* vertices++ = new VertexPos3fTex2fCol4b(x2, y1, z, rec.U2, rec.V2, col);
}
}
}
void DrawCoords(VertexPos3fTex2fCol4b[] verts, ref int index, ShadowData data,
float x1, float z1, float x2, float z2)
{
Vector3 centre = entity.Position;
BlockInfo info = game.BlockInfo;
if (lequal(x2, x1) || lequal(z2, z1))
{
return;
}
float u1 = (x1 - centre.X) * 16 / 14f + 0.5f;
float v1 = (z1 - centre.Z) * 16 / 14f + 0.5f;
float u2 = (x2 - centre.X) * 16 / 14f + 0.5f;
float v2 = (z2 - centre.Z) * 16 / 14f + 0.5f;
if (u2 <= 0 || v2 <= 0 || u1 >= 1 || v1 >= 1)
{
return;
}
x1 = Math.Max(x1, centre.X - 7 / 16f); u1 = Math.Max(u1, 0);
z1 = Math.Max(z1, centre.Z - 7 / 16f); v1 = Math.Max(v1, 0);
x2 = Math.Min(x2, centre.X + 7 / 16f); u2 = Math.Min(u2, 1);
z2 = Math.Min(z2, centre.Z + 7 / 16f); v2 = Math.Min(v2, 1);
FastColour col = FastColour.White; col.A = data.A;
verts[index++] = new VertexPos3fTex2fCol4b(x1, data.Y, z1, u1, v1, col);
verts[index++] = new VertexPos3fTex2fCol4b(x2, data.Y, z1, u2, v1, col);
verts[index++] = new VertexPos3fTex2fCol4b(x2, data.Y, z2, u2, v2, col);
verts[index++] = new VertexPos3fTex2fCol4b(x1, data.Y, z2, u1, v2, col);
}
static void TransformVertex( ref VertexPos3fTex2fCol4b vertex )
{
Vector3 p = new Vector3( vertex.X, vertex.Y, vertex.Z );
//p = Utils.RotateY( p - pos, time ) + pos;
// See comment in IGraphicsApi.Draw2DTexture()
p.X -= 0.5f; p.Y -= 0.5f;
p = Utils.RotateX( Utils.RotateY( p, cosY, sinY ), cosX, sinX );
vertex.X = p.X; vertex.Y = p.Y; vertex.Z = p.Z;
}
static void TransformVertex(ref VertexPos3fTex2fCol4b vertex)
{
Vector3 p = new Vector3(vertex.X, vertex.Y, vertex.Z);
//p = Utils.RotateY( p - pos, time ) + pos;
// See comment in IGraphicsApi.Draw2DTexture()
p.X -= 0.5f; p.Y -= 0.5f;
p = Utils.RotateX(Utils.RotateY(p, cosY, sinY), cosX, sinX);
vertex.X = p.X; vertex.Y = p.Y; vertex.Z = p.Z;
}
void DraqSquareShadow(VertexPos3fTex2fCol4b[] verts, ref int index, float y, byte alpha, float x, float z)
{
FastColour col = FastColour.White; col.A = alpha;
TextureRec rec = new TextureRec(63 / 128f, 63 / 128f, 1 / 128f, 1 / 128f);
verts[index++] = new VertexPos3fTex2fCol4b(x, y, z, rec.U1, rec.V1, col);
verts[index++] = new VertexPos3fTex2fCol4b(x + 1, y, z, rec.U2, rec.V1, col);
verts[index++] = new VertexPos3fTex2fCol4b(x + 1, y, z + 1, rec.U2, rec.V2, col);
verts[index++] = new VertexPos3fTex2fCol4b(x, y, z + 1, rec.U1, rec.V2, col);
}
void MakeRainForSquare(int x, float y, float height, int z, FastColour col, ref int index)
{
float worldV = vOffset + (z & 1) / 2f - (x & 0x0F) / 16f;
float v1 = y / 6f + worldV;
float v2 = (y + height) / 6f + worldV;
vertices[index++] = new VertexPos3fTex2fCol4b(x, y, z, 0, v2, col);
vertices[index++] = new VertexPos3fTex2fCol4b(x, y + height, z, 0, v1, col);
vertices[index++] = new VertexPos3fTex2fCol4b(x + 1, y + height, z + 1, 2, v1, col);
vertices[index++] = new VertexPos3fTex2fCol4b(x + 1, y, z + 1, 2, v2, col);
vertices[index++] = new VertexPos3fTex2fCol4b(x + 1, y, z, 2, v2, col);
vertices[index++] = new VertexPos3fTex2fCol4b(x + 1, y + height, z, 2, v1, col);
vertices[index++] = new VertexPos3fTex2fCol4b(x, y + height, z + 1, 0, v1, col);
vertices[index++] = new VertexPos3fTex2fCol4b(x, y, z + 1, 0, v2, col);
}
void DrawBackground()
{
VertexPos3fTex2fCol4b[] vertices = game.ModelCache.vertices;
int index = 0, atlasIndex = 0;
int drawnY = 0, height = game.Height;
FastColour col = new FastColour(64, 64, 64);
int texLoc = game.BlockInfo.GetTextureLoc((byte)Block.Dirt, TileSide.Top);
TerrainAtlas1D atlas = game.TerrainAtlas1D;
TextureRec tex = atlas.GetTexRec(texLoc, 1, out atlasIndex);
tex.U2 = (float)game.Width / 64;
bool bound = false;
while (drawnY < height)
{
float x1 = 0, x2 = game.Width;
float y1 = drawnY, y2 = drawnY + 64;
#if USE_DX
// NOTE: see "https://msdn.microsoft.com/en-us/library/windows/desktop/bb219690(v=vs.85).aspx",
// i.e. the msdn article called "Directly Mapping Texels to Pixels (Direct3D 9)" for why we have to do this.
x1 -= 0.5f; x2 -= 0.5f;
y1 -= 0.5f; y2 -= 0.5f;
#endif
vertices[index++] = new VertexPos3fTex2fCol4b(x1, y1, 0, tex.U1, tex.V1, col);
vertices[index++] = new VertexPos3fTex2fCol4b(x2, y1, 0, tex.U2, tex.V1, col);
vertices[index++] = new VertexPos3fTex2fCol4b(x2, y2, 0, tex.U2, tex.V2, col);
vertices[index++] = new VertexPos3fTex2fCol4b(x1, y2, 0, tex.U1, tex.V2, col);
if (index >= vertices.Length)
{
DrawBackgroundVertices(ref index, atlasIndex, ref bound);
}
drawnY += 64;
}
DrawBackgroundVertices(ref index, atlasIndex, ref bound);
}
void MakeRainForSquare( int x, int y, int height, int z, FastColour col, ref int index )
{
float v1 = vOffset + (z & 0x01) * 0.5f - (x & 0x0F) * 0.0625f;
float v2 = height / 6f + v1;
vertices[index++] = new VertexPos3fTex2fCol4b( x, y, z, 0, v2, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x, y + height, z, 0, v1, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x + 1, y + height, z + 1, 2, v1, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x + 1, y, z + 1, 2, v2, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x + 1, y, z, 2, v2, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x + 1, y + height, z, 2, v1, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x, y + height, z + 1, 0, v1, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x, y, z + 1, 0, v2, col );
}
void DrawZ( int z, int x1, int x2, int y1, int y2, int axisSize, FastColour col, ref VertexPos3fTex2fCol4b* vertices )
{
int endX = x2, endY = y2, startY = y1;
for( ; x1 < endX; x1 += axisSize ) {
x2 = x1 + axisSize;
if( x2 > endX ) x2 = endX;
y1 = startY;
for( ; y1 < endY; y1 += axisSize ) {
y2 = y1 + axisSize;
if( y2 > endY ) y2 = endY;
TextureRectangle rec = new TextureRectangle( 0, 0, x2 - x1, y2 - y1 );
*vertices++ = new VertexPos3fTex2fCol4b( x1, y1, z, rec.U1, rec.V1, col );
*vertices++ = new VertexPos3fTex2fCol4b( x1, y2, z, rec.U1, rec.V2, col );
*vertices++ = new VertexPos3fTex2fCol4b( x2, y2, z, rec.U2, rec.V2, col );
*vertices++ = new VertexPos3fTex2fCol4b( x2, y1, z, rec.U2, rec.V1, col );
}
}
}
void DrawY( int x1, int z1, int x2, int z2, int y, int axisSize, FastColour col, ref VertexPos3fTex2fCol4b* 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;
TextureRectangle rec = new TextureRectangle( 0, 0, x2 - x1, z2 - z1 );
*vertices++ = new VertexPos3fTex2fCol4b( x1, y, z1, rec.U1, rec.V1, col );
*vertices++ = new VertexPos3fTex2fCol4b( x1, y, z2, rec.U1, rec.V2, col );
*vertices++ = new VertexPos3fTex2fCol4b( x2, y, z2, rec.U2, rec.V2, col );
*vertices++ = new VertexPos3fTex2fCol4b( x2, y, z1, rec.U2, rec.V1, col );
}
}
}
void DrawX( int x, int z1, int z2, int y1, int y2, int axisSize, FastColour col, ref VertexPos3fTex2fCol4b* vertices )
{
int endZ = z2, endY = y2, startY = y1;
for( ; z1 < endZ; z1 += axisSize ) {
z2 = z1 + axisSize;
if( z2 > endZ ) z2 = endZ;
y1 = startY;
for( ; y1 < endY; y1 += axisSize ) {
y2 = y1 + axisSize;
if( y2 > endY ) y2 = endY;
TextureRectangle rec = new TextureRectangle( 0, 0, z2 - z1, y2 - y1 );
*vertices++ = new VertexPos3fTex2fCol4b( x, y1, z1, rec.U1, rec.V1, col );
*vertices++ = new VertexPos3fTex2fCol4b( x, y2, z1, rec.U1, rec.V2, col );
*vertices++ = new VertexPos3fTex2fCol4b( x, y2, z2, rec.U2, rec.V2, col );
*vertices++ = new VertexPos3fTex2fCol4b( x, y1, z2, rec.U2, rec.V1, col );
}
}
}
void MakeRainForSquare( int x, float y, float height, int z, FastColour col, ref int index )
{
float worldV = vOffset + (z & 1) / 2f - (x & 0x0F) / 16f;
float v1 = y / 6f + worldV;
float v2 = (y + height) / 6f + worldV;
vertices[index++] = new VertexPos3fTex2fCol4b( x, y, z, 0, v2, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x, y + height, z, 0, v1, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x + 1, y + height, z + 1, 2, v1, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x + 1, y, z + 1, 2, v2, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x + 1, y, z, 2, v2, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x + 1, y + height, z, 2, v1, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x, y + height, z + 1, 0, v1, col );
vertices[index++] = new VertexPos3fTex2fCol4b( x, y, z + 1, 0, v2, col );
}