/// <summary>
/// renderoi yhden billboardin.
/// </summary>
public void RenderBillboard(float x, float y, float z, float zrot, float size, bool blend)
{
billBoard.Bind(0);
GL.Disable(EnableCap.CullFace);
if (blend)
{
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
}
GLExt.PushMatrix();
{
GLExt.Translate(x, y, z);
size *= 0.1f;
GLExt.Scale(size, size, size);
GLExt.RotateZ(zrot);
Matrix4 matrix = Matrix4.Identity;
matrix.Row3 = GLExt.ModelViewMatrix.Row3;
GLExt.ModelViewMatrix = matrix;
GLExt.SetLighting(false);
billBoard.Vbo.Render();
GLExt.SetLighting(true);
}
GLExt.PopMatrix();
if (blend)
{
GL.Disable(EnableCap.Blend);
}
}
public void Draw(int x, int y, float z, float rotate, float sx, float sy, bool blend)
{
if (Vbo == null)
{
CreateVBO(false);
}
Bind(0);
GLExt.PushMatrix();
{
GLExt.Translate(x, y, z);
GLExt.RotateZ(rotate);
GLExt.Scale(sx, sy, 1);
if (blend)
{
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
Vbo.Render();
GL.Disable(EnableCap.Blend);
}
else
{
Vbo.Render();
}
}
GLExt.PopMatrix();
}
/// <summary>
/// käytä fps kamerassa
/// </summary>
public void SetFPSCamera()
{
GLExt.LoadIdentity();
GLExt.RotateX(-Rotation.X);
GLExt.RotateY(-Rotation.Y);
GLExt.RotateZ(-Rotation.Z);
GLExt.Translate(-Position.X, -Position.Y, -Position.Z);
}
/// <summary>
/// aseta texturematriisit shadowmapping shaderia varten
/// </summary>
static void SetTextureMatrix()
{
Matrix4 projMatrix = GLExt.ProjectionMatrix, modelMatrix = GLExt.ModelViewMatrix;
GLExt.MatrixMode(MatrixMode.Texture);
GLExt.LoadIdentity();
GLExt.Translate(0.5f, 0.5f, 0.5f); // remap from [-1,1]^2 to [0,1]^2
GLExt.Scale(0.5f, 0.5f, 0.5f);
GLExt.MultMatrix(ref projMatrix);
GLExt.MultMatrix(ref modelMatrix);
GLExt.MatrixMode(MatrixMode.Modelview);
}
/// <summary>
/// renderoi worldin valosta päin (pelkän depthin)
/// </summary>
public static void SetupShadows(Renderable world, int lightNo, bool withParticles)
{
if (UseShadowMapping == false)
{
return;
}
if (Light.Lights.Count == 0)
{
Log.WriteLine("SetupShadows requires at least one light source!", false);
return;
}
GL.Disable(EnableCap.Blend);
GL.ColorMask(false, false, false, false);
GL.Disable(EnableCap.CullFace);
GL.PolygonOffset(1, 1);
GL.Enable(EnableCap.PolygonOffsetFill);
fbo.BindDepth();
fbo.BindFBO();
fbo.Clear();
// kuvakulma valosta päin
GLExt.LoadMatrix(ref Light.Lights[lightNo].OrigOrientationMatrix);
GLExt.Translate(-Light.Lights[lightNo].Position.X, -Light.Lights[lightNo].Position.Y, -Light.Lights[lightNo].Position.Z);
SetTextureMatrix();
Frustum.CalculateFrustum();
VBO.FastRenderPass = true;
depthShader.UseProgram();
world.Render();
if (withParticles)
{
depthShaderAlphaTest.UseProgram();
Particles.Render();
GLSLShader.UnBindShader();
}
VBO.FastRenderPass = false;
fbo.UnBindFBO();
GL.Disable(EnableCap.PolygonOffsetFill);
GL.Enable(EnableCap.CullFace);
GL.ColorMask(true, true, true, true);
GLExt.LoadIdentity();
GameClass.NumOfObjects = 0;
ShadowMapping.UnBindLightMask();
}
void Translate(Node node)
{
Node obj = node;
if (node == null)
{
obj = this;
}
GLExt.Translate(obj.Position.X, obj.Position.Y, obj.Position.Z);
GLExt.RotateZ(Rotation.Z);
GLExt.RotateY(Rotation.Y);
GLExt.RotateX(Rotation.X);
GLExt.MultMatrix(ref OrigOrientationMatrix);
GLExt.Scale(obj.Scale.X, obj.Scale.Y, obj.Scale.Z);
}
public void DrawFullScreen(int x, int y)
{
float sx = (float)Settings.Width / (float)RealWidth;
float sy = (float)Settings.Height / (float)RealHeight;
if (Vbo == null)
{
CreateVBO(false);
}
Bind(0);
GLExt.PushMatrix();
{
GLExt.Translate(sx * x, Settings.Height + sy * (y - RealHeight), 0);
GLExt.Scale(sx, sy, 1);
Vbo.Render();
}
GLExt.PopMatrix();
}
public void Write(string str, float x, float y)
{
texture.Bind(0);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GLExt.PushMatrix();
{
curX = x;
curY = y;
GLExt.Translate(x, (float)Settings.Height - y, 0);
float xp = 0;
for (int q = 0, ch; q < str.Length; q++)
{
// etsi kirjain
for (ch = 0; ch < chars.Length; ch++)
{
if (str[q] == chars[ch])
{
break;
}
}
if (str[q] == '\n')
{
curY -= charHeight * Size;
GLExt.Translate(-xp, -charHeight * Size, 0);
xp = 0;
continue;
}
float w = uv[ch].w;
float wm = w * Size;
xp += wm;
DrawChar(ch);
GLExt.Translate(wm, 0, 0);
}
}
GLExt.PopMatrix();
GL.Disable(EnableCap.Blend);
}
/// <summary>
/// renderoi partikkelit, sorttaa läpinäkyvät.
/// </summary>
public static new void Render()
{
GLExt.Color4(1f, 1, 1, 1f);
GLExt.PushMatrix();
GLExt.SetLighting(false);
List <SortedList_Particles> slist = new List <SortedList_Particles>();
GL.Disable(EnableCap.CullFace);
int c = 0;
// järjestetään taulukko kauimmaisesta lähimpään. pitää rendata siinä järjestyksessä.
// vain läpikuultavat pitää järjestää. täysin näkyvät renderoidaan samantien.
for (int q = 0; q < ParticleGroups.Count; q++)
{
Particles curpar = ParticleGroups[q];
if (curpar.particles.Count <= 0)
{
continue;
}
if (VBO.FastRenderPass == true)
{
if (curpar.CastShadow == false)
{
continue;
}
}
curpar.particles[0].partTex.Bind(0);
GLExt.PushMatrix();
GLExt.MultMatrix(ref curpar.WorldMatrix);
for (int w = 0; w < curpar.NumOfParticles; w++)
{
Particle p = curpar.particles[w];
GLExt.PushMatrix();
GLExt.Translate(p.pos.X, p.pos.Y, p.pos.Z);
Matrix4 matrix = Matrix4.Identity;
matrix.Row3 = GLExt.ModelViewMatrix.Row3;
GLExt.ModelViewMatrix = matrix;
Vector3 v = curpar.WorldMatrix.Row3.Xyz + curpar.Position + p.pos;
if (Frustum.SphereInFrustum(v.X, v.Y, v.Z, 10) != 0)
{
if (VBO.FastRenderPass == true) // renderoi partikkeli depthbufferiin (varjostusta varten)
{
GLExt.Scale(p.size, p.size, p.size);
GLExt.RotateZ(p.zrot);
p.partTex.RenderBillboard();
}
else
{
c++;
if (p.isTransparent == true) // listaan renderoitavaks myöhemmin
{
float len = (Camera.cam.Position - matrix.Row3.Xyz).LengthSquared;
slist.Add(new SortedList_Particles(len, p, matrix));
}
else // rendataan se nyt, ei lisätä sortattavaks
{
GLExt.Scale(p.size, p.size, p.size);
GLExt.RotateZ(p.zrot);
GLExt.Color4(p.color.X, p.color.Y, p.color.Z, p.color.W);;
if (p.callBack != null)
{
p.callBack(p);
}
p.partTex.RenderBillboard();
}
}
}
GLExt.PopMatrix();
}
GLExt.PopMatrix();
}
if (VBO.FastRenderPass == false)
{
slist.Sort(delegate(SortedList_Particles z1, SortedList_Particles z2) { return(z2.Len.CompareTo(z1.Len)); });
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.One);
// rendataan läpikuultavat
GL.DepthMask(false); // ei kirjoiteta zbufferiin
for (int q = 0; q < slist.Count; q++)
{
Particle p = slist[q].Part;
if (VBO.FastRenderPass == false)
{
p.partTex.Bind(0);
GLExt.Color4(p.color.X, p.color.Y, p.color.Z, p.color.W);
if (p.callBack != null)
{
p.callBack(p);
}
}
GLExt.LoadMatrix(ref slist[q].Matrix);
GLExt.Scale(p.size, p.size, p.size);
GLExt.RotateZ(p.zrot);
p.partTex.RenderBillboard();
}
GL.DepthMask(true);
GL.Disable(EnableCap.Blend);
}
GLExt.PopMatrix();
GL.Enable(EnableCap.CullFace);
GLExt.Color4(1, 1, 1, 1);
GLExt.SetLighting(true);
GameClass.NumOfObjects += c;
}