public void Render(double delta, VertexP3fC4b[] vertices, VertexP3fC4b[] lineVertices,
ref int index, ref int lineIndex)
{
float offset = MinDist < 32 * 32 ? 1 / 32f : 1 / 16f;
Vector3 p1 = (Vector3)Min - new Vector3(offset, offset, offset);
Vector3 p2 = (Vector3)Max + new Vector3(offset, offset, offset);
int col = Colour.Pack();
HorQuad(vertices, ref index, col, p1.X, p1.Z, p2.X, p2.Z, p1.Y); // bottom
HorQuad(vertices, ref index, col, p1.X, p1.Z, p2.X, p2.Z, p2.Y); // top
VerQuad(vertices, ref index, col, p1.X, p1.Y, p1.Z, p2.X, p2.Y, p1.Z); // sides
VerQuad(vertices, ref index, col, p1.X, p1.Y, p2.Z, p2.X, p2.Y, p2.Z);
VerQuad(vertices, ref index, col, p1.X, p1.Y, p1.Z, p1.X, p2.Y, p2.Z);
VerQuad(vertices, ref index, col, p2.X, p1.Y, p1.Z, p2.X, p2.Y, p2.Z);
col = new FastColour((byte)~Colour.R, (byte)~Colour.G, (byte)~Colour.B).Pack();
// 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);
}
unsafe void RenderStars(ref VertexP3fT2fC4b *vertices)
{
VertexP3fT2fC4b v;
v.Colour = starColour.Pack();
for (int i = 0; i < 500; i++)
{
float pitch = (float)(Utils.Lerp(0.025f, 0.975f, rand.NextFloat()) * 2 * Math.PI);
float yaw = (float)(Utils.Lerp(0.025f, 0.975f, rand.NextFloat()) * 2 * Math.PI);
const float size = 0.001f;
Vector3 p00 = new Vector3(-size, -size, 0.2f);
Vector3 p10 = new Vector3(+size, -size, 0.2f);
Vector3 p11 = new Vector3(+size, +size, 0.2f);
Vector3 p01 = new Vector3(-size, +size, 0.2f);
p00 = Utils.RotateY(p00, yaw);
p10 = Utils.RotateY(p10, yaw);
p11 = Utils.RotateY(p11, yaw);
p01 = Utils.RotateY(p01, yaw);
p00 = Utils.RotateZ(p00, pitch);
p10 = Utils.RotateZ(p10, pitch);
p11 = Utils.RotateZ(p11, pitch);
p01 = Utils.RotateZ(p01, pitch);
v.X = p00.X; v.Y = p00.Y; v.Z = p00.Z; v.U = 0.00f; v.V = 0.00f; *vertices = v; vertices++;
v.X = p10.X; v.Y = p10.Y; v.Z = p10.Z; v.U = 1.00f; *vertices = v; vertices++;
v.X = p11.X; v.Y = p11.Y; v.Z = p11.Z; v.V = 1.00f; *vertices = v; vertices++;
v.X = p01.X; v.Y = p01.Y; v.Z = p01.Z; v.U = 0.00f; *vertices = v; vertices++;
}
}
public virtual void Draw2DTexture(ref Texture tex, FastColour col)
{
int index = 0;
Make2DQuad(ref tex, col.Pack(), texVerts, ref index);
SetBatchFormat(VertexFormat.P3fT2fC4bN1v);
UpdateDynamicVb_IndexedTris(texVb, texVerts, 4);
}
public virtual void Draw2DTexture(ref Texture tex, FastColour col)
{
int index = 0;
Make2DQuad(ref tex, col.Pack(), texVerts, ref index);
SetBatchFormat(VertexFormat.P3fT2fC4b);
UpdateDynamicIndexedVb(DrawMode.Triangles, texVb, texVerts, 4);
}
public override void SetFogColour(FastColour col)
{
fogCol = col.Pack();
if (fogCol == lastFogCol)
{
return;
}
device.SetRenderState(RenderState.FogColor, fogCol);
lastFogCol = fogCol;
}
public virtual void Draw2DQuad(int x, int y, int width, int height,
FastColour col)
{
int c = col.Pack();
quadVerts[0] = new VertexP3fC4b(x, y, 0, c);
quadVerts[1] = new VertexP3fC4b(x + width, y, 0, c);
quadVerts[2] = new VertexP3fC4b(x + width, y + height, 0, c);
quadVerts[3] = new VertexP3fC4b(x, y + height, 0, c);
SetBatchFormat(VertexFormat.P3fC4b);
UpdateDynamicVb_IndexedTris(quadVb, quadVerts, 4);
}
public virtual void Draw2DQuad(float x, float y, float width, float height,
FastColour col)
{
int c = col.Pack();
quadVerts[0] = new VertexP3fC4b(x, y, 0, c);
quadVerts[1] = new VertexP3fC4b(x + width, y, 0, c);
quadVerts[2] = new VertexP3fC4b(x + width, y + height, 0, c);
quadVerts[3] = new VertexP3fC4b(x, y + height, 0, c);
SetBatchFormat(VertexFormat.P3fC4b);
UpdateDynamicIndexedVb(DrawMode.Triangles, quadVb, quadVerts, 4);
}
void ResetLight()
{
Shadowlight = DefaultShadowlight;
Shadow = Shadowlight.Pack();
FastColour.GetShaded(Shadowlight, out ShadowXSide,
out ShadowZSide, out ShadowYBottom);
Sunlight = DefaultSunlight;
Sun = Sunlight.Pack();
FastColour.GetShaded(Sunlight, out SunXSide,
out SunZSide, out SunYBottom);
}
/// <summary> Sets current shadowlight colour, and raises
/// EnvVariableChanged event with variable 'ShadowlightColour'. </summary>
public void SetShadowlight(FastColour col)
{
if (!Set(col, ref Shadowlight, EnvVar.ShadowlightColour))
{
return;
}
FastColour.GetShaded(Shadowlight, out ShadowXSide,
out ShadowZSide, out ShadowYBottom);
Shadow = Shadowlight.Pack();
game.WorldEvents.RaiseEnvVariableChanged(EnvVar.ShadowlightColour);
}
/// <summary> Sets current shadowlight colour, and raises
/// EnvVariableChanged event with variable 'ShadowlightColour'. </summary>
public void SetShadowlight(FastColour col)
{
if (col == Shadowlight)
{
return;
}
Shadowlight = col;
FastColour.GetShaded(col, out ShadowXSide,
out ShadowZSide, out ShadowYBottom);
Shadow = Shadowlight.Pack();
game.WorldEvents.RaiseEnvVariableChanged(EnvVar.ShadowlightColour);
}
public static void Make2DQuad(ref Texture tex, FastColour col,
VertexP3fT2fC4b[] vertices, ref int index)
{
float x1 = tex.X, y1 = tex.Y, x2 = tex.X + tex.Width, y2 = tex.Y + tex.Height;
#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
int c = col.Pack();
vertices[index++] = new VertexP3fT2fC4b(x1, y1, 0, tex.U1, tex.V1, c);
vertices[index++] = new VertexP3fT2fC4b(x2, y1, 0, tex.U2, tex.V1, c);
vertices[index++] = new VertexP3fT2fC4b(x2, y2, 0, tex.U2, tex.V2, c);
vertices[index++] = new VertexP3fT2fC4b(x1, y2, 0, tex.U1, tex.V2, c);
}
void UpdateStars()
{
float skyMul = (float)(Math.Cos(CelestialAngle * (2 * Math.PI)) * 4 + 0.5);
Utils.Clamp(ref skyMul, 0, 1);
FastColour newStarColour = FastColour.Lerp2(starColour, starColourHidden, skyMul);
if (newStarColour != curStarColour)
{
int newStarColourPacked = newStarColour.Pack();
for (int i = 0; i < starCount; i++)
{
vertices4[i].Colour = newStarColourPacked;
}
curStarColour = newStarColour;
}
}
public void Render(Game game, float t, VertexP3fT2fC4b[] vertices, ref int index)
{
Vector3 pos = Vector3.Lerp(lastPos, nextPos, t);
int col = FastColour.WhitePacked;
if (!BlockInfo.FullBright[block])
{
int x = Utils.Floor(pos.X), y = Utils.Floor(pos.Y), z = Utils.Floor(pos.Z);
col = game.World.IsValidPos(x, y, z) ? game.Lighting.LightCol_ZSide(x, y, z) : game.Lighting.OutsideZSide;
}
if (BlockInfo.Tinted[block])
{
FastColour fogCol = BlockInfo.FogColour[block];
FastColour newCol = FastColour.Unpack(col);
newCol *= fogCol;
col = newCol.Pack();
}
DoRender(game, ref terrainSize, ref pos, ref rec, col, vertices, ref index);
}
public override void Render(Game game, double delta, float t,
VertexP3fT2fC4b[] vertices, ref int index)
{
Position = Vector3.Lerp(lastPos, nextPos, t);
int col = FastColour.WhitePacked;
if (!game.BlockInfo.FullBright[block])
{
Vector3I P = Vector3I.Floor(Position);
col = game.World.IsValidPos(P) ?
game.Lighting.LightCol_ZSide(P.X, P.Y, P.Z) : game.Lighting.OutsideZSide;
}
if (game.BlockInfo.Tinted[block])
{
FastColour fogCol = game.BlockInfo.FogColour[block];
FastColour newCol = FastColour.Unpack(col);
newCol *= fogCol;
col = newCol.Pack();
}
DoRender(game, ref terrainSize, ref rec, col, vertices, ref index);
}
public void Render(double deltaTime)
{
Weather weather = map.Env.Weather;
if (weather == Weather.Sunny)
{
return;
}
if (heightmap == null)
{
InitHeightmap();
}
IGraphicsApi gfx = game.Graphics;
gfx.BindTexture(weather == Weather.Rainy ? RainTexId : SnowTexId);
Vector3 camPos = game.CurrentCameraPos;
Vector3I pos = Vector3I.Floor(camPos);
bool moved = pos != lastPos;
lastPos = pos;
WorldEnv env = game.World.Env;
float speed = (weather == Weather.Rainy ? 1.0f : 0.2f) * env.WeatherSpeed;
float vOffset = (float)game.accumulator * speed;
rainAcc += deltaTime;
bool particles = weather == Weather.Rainy;
int vCount = 0;
FastColour col = game.World.Env.Sunlight;
VertexP3fT2fC4b v = default(VertexP3fT2fC4b);
for (int dx = -extent; dx <= extent; dx++)
{
for (int dz = -extent; dz <= extent; dz++)
{
int x = pos.X + dx, z = pos.Z + dz;
float y = RainHeight(x, z);
float height = Math.Max(game.World.Height, pos.Y + 64) - y;
if (height <= 0)
{
continue;
}
if (particles && (rainAcc >= 0.25 || moved))
{
game.ParticleManager.AddRainParticle(new Vector3(x, y, z));
}
float alpha = AlphaAt(dx * dx + dz * dz);
Utils.Clamp(ref alpha, 0, 0xFF);
col.A = (byte)alpha;
// NOTE: Making vertex is inlined since this is called millions of times.
v.Colour = col.Pack();
float worldV = vOffset + (z & 1) / 2f - (x & 0x0F) / 16f;
float v1 = y / 6f + worldV, v2 = (y + height) / 6f + worldV;
float x1 = x, y1 = y, z1 = z;
float x2 = x + 1, y2 = y + height, z2 = z + 1;
v.X = x1; v.Y = y1; v.Z = z1; v.U = 0; v.V = v1; vertices[vCount++] = v;
v.Y = y2; v.V = v2; vertices[vCount++] = v;
v.X = x2; v.Z = z2; v.U = 1; vertices[vCount++] = v;
v.Y = y1; v.V = v1; vertices[vCount++] = v;
v.Z = z1; vertices[vCount++] = v;
v.Y = y2; v.V = v2; vertices[vCount++] = v;
v.X = x1; v.Z = z2; v.U = 0; vertices[vCount++] = v;
v.Y = y1; v.V = v1; vertices[vCount++] = v;
}
}
if (particles && (rainAcc >= 0.25 || moved))
{
rainAcc = 0;
}
if (vCount == 0)
{
return;
}
gfx.AlphaTest = false;
gfx.DepthWrite = false;
gfx.AlphaArgBlend = true;
gfx.SetBatchFormat(VertexFormat.P3fT2fC4b);
gfx.UpdateDynamicVb_IndexedTris(vb, vertices, vCount);
gfx.AlphaArgBlend = false;
gfx.AlphaTest = true;
gfx.DepthWrite = true;
}
public override void BlendColour(FastColour col)
{
int col2 = col.Pack();
device.SetRenderState(RenderState.BlendFactor, col2);
}
public override void ClearColour(FastColour col)
{
lastClearCol = col.Pack();
}
void SetLightmap(int x, int y, FastColour col)
{
lightmap[x * 16 + y] = col.Pack();
FastColour.GetShaded(col, out lightmapXSide[x * 16 + y],
out lightmapZSide[x * 16 + y], out lightmapYBottom[x * 16 + y]);
}
void SetShadow(FastColour col)
{
shadow = col.Pack();
FastColour.GetShaded(col, out shadowXSide, out shadowZSide, out shadowYBottom);
}
void SetSun(FastColour col)
{
Outside = col.Pack();
FastColour.GetShaded(col, out OutsideXSide, out OutsideZSide, out OutsideYBottom);
}