public void Apply()
{
//Console.WriteLine("rendererpass");
int i;
//Console.WriteLine("rendererpass.apply " + numstages + " stages");
for (i = numstages; i < maxtexels; i++)
{
g.ActiveTexture(i);
g.DisableTexture2d();
}
i = 0;
foreach (RendererTextureStage texturestage in texturestages)
{
g.ActiveTexture(i);
g.EnableTexture2d();
texturestage.Apply();
i++;
}
}
// note to self: move this to subscriber?
void DrawMinimap()
{
Terrain terrain = Terrain.GetInstance();
if (DateTime.Now.Subtract(LastMinimapUpdate).TotalMilliseconds > 1000)
//if( true )
{
List <RendererPass> rendererpasses = new List <RendererPass>();
bool multipass = true; // force multipass for now for simplicity
int maxtexels = RendererSdl.GetInstance().MaxTexelUnits;
if (multipass)
{
for (int i = 0; i < terrain.texturestages.Count; i++)
{
MapTextureStage maptexturestage = terrain.texturestages[i];
int numtexturestagesrequired = maptexturestage.NumTextureStagesRequired;
if (numtexturestagesrequired > 0) // exclude Nops
{
RendererPass rendererpass = new RendererPass(maxtexels);
for (int j = 0; j < maptexturestage.NumTextureStagesRequired; j++)
{
rendererpass.AddStage(new RendererTextureStage(maptexturestage, j, true, mapwidth * Terrain.SquareSize, mapheight * Terrain.SquareSize));
}
rendererpasses.Add(rendererpass);
}
}
}
GraphicsHelperGl g = new GraphicsHelperGl();
//g.ApplyOrtho(windowwidth, windowheight, RendererSdl.GetInstance().OuterWindowWidth, RendererSdl.GetInstance().OuterWindowHeight);
g.EnableBlendSrcAlpha();
Gl.glDepthFunc(Gl.GL_LEQUAL);
int chunkwidth = minimapwidth / numchunks;
int chunkheight = minimapheight / numchunks;
float[] ambientLight = new float[] { 0.4f, 0.4f, 0.4f, 1.0f };
float[] diffuseLight = new float[] { 0.6f, 0.6f, 0.6f, 1.0f };
float[] specularLight = new float[] { 0.2f, 0.2f, 0.2f, 1.0f };
float[] position = new float[] { -1.0f, 0.2f, -0.4f, 1.0f };
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_AMBIENT, ambientLight);
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_DIFFUSE, diffuseLight);
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_SPECULAR, specularLight);
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_POSITION, position);
foreach (RendererPass rendererpass in rendererpasses)
{
rendererpass.Apply();
for (int x = 0; x + chunkwidth < minimapwidth; x += chunkwidth)
{
for (int y = 0; y + chunkheight < minimapheight; y += chunkheight)
{
Gl.glBegin(Gl.GL_QUADS);
//double ul = 0;
//double ur = mapwidth * Terrain.SquareSize;
//double vt = 0;
//double vb = mapheight * Terrain.SquareSize;
double ul = (double)x / minimapwidth * mapwidth * Terrain.SquareSize;
double ur = (double)(x + chunkwidth) / minimapwidth * mapwidth * Terrain.SquareSize;
double vt = (double)y / minimapheight * mapheight * Terrain.SquareSize;
double vb = (double)(y + chunkheight) / minimapheight * mapheight * Terrain.SquareSize;
double xl = minimapx + x;
double xr = minimapx + x + minimapwidth / (double)numchunks;
double yt = minimapy + y;
double yb = minimapy + y + minimapheight / (double)numchunks;
Gl.glTexCoord2d(ul, vt);
Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ul, vt);
g.Normal(renderableheightmap.GetNormal(x * mapwidth / minimapwidth, y * mapheight / minimapheight));
//g.Normal(renderableheightmap.normalsperquad[, ]);
Gl.glVertex2d(xl, yt);
Gl.glTexCoord2d(ul, vb);
Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ul, vb);
g.Normal(renderableheightmap.GetNormal(x * mapwidth / minimapwidth, (y + chunkheight) * mapheight / minimapheight));
//g.Normal( renderableheightmap.normalsperquad[x * mapwidth / minimapwidth, (y + 1) * mapheight / minimapheight ] );
Gl.glVertex2d(xl, yb);
Gl.glTexCoord2d(ur, vb);
Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ur, vb);
g.Normal(renderableheightmap.GetNormal((x + chunkwidth) * mapwidth / minimapwidth, (y + chunkheight) * mapheight / minimapheight));
//g.Normal(renderableheightmap.normalsperquad[(x + 1) * mapwidth / minimapwidth, (y + 1) * mapheight / minimapheight]);
Gl.glVertex2d(xr, yb);
Gl.glTexCoord2d(ur, vt);
Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ur, vt);
g.Normal(renderableheightmap.GetNormal((x + chunkwidth) * mapwidth / minimapwidth, y * mapheight / minimapheight));
//g.Normal(renderableheightmap.normalsperquad[(x + 1) * mapwidth / minimapwidth, y * mapheight / minimapheight]);
Gl.glVertex2d(xr, yt);
Gl.glEnd();
}
}
}
g.ActiveTexture(0);
Gl.glBindTexture(Gl.GL_TEXTURE_2D, minimaptexture);
Gl.glCopyTexImage2D(Gl.GL_TEXTURE_2D, 0, Gl.GL_RGBA8, minimapx,
RendererSdl.GetInstance().InnerWindowHeight - minimapy - minimapsize,
minimapsize, minimapsize, 0);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_NEAREST);
LastMinimapUpdate = DateTime.Now;
// g.RemoveOrtho();
g.ActiveTexture(1);
g.DisableTexture2d();
g.SetTextureScale(1);
g.ActiveTexture(0);
g.SetTextureScale(1);
g.EnableModulate();
Gl.glDisable(Gl.GL_BLEND);
}
else
{
GraphicsHelperGl g = new GraphicsHelperGl();
//Gl.glMatrixMode(Gl.GL_PROJECTION);
//Gl.glPushMatrix();
//Gl.glLoadIdentity();
//Gl.glOrtho(0, windowwidth, windowheight - RendererSdl.GetInstance().OuterWindowHeight, 0, -1, 1); // we'll just draw the minimap directly onto our display
//Gl.glOrtho(0, windowwidth, windowheight, windowheight - RendererSdl.GetInstance().OuterWindowHeight, -1, 1); // we'll just draw the minimap directly onto our display
//Gl.glMatrixMode(Gl.GL_MODELVIEW);
//Gl.glPushMatrix();
//Gl.glLoadIdentity();
g.ActiveTexture(0);
g.EnableTexture2d();
Gl.glBindTexture(Gl.GL_TEXTURE_2D, minimaptexture);
//Gl.glBindTexture(Gl.GL_TEXTURE_2D, (terrain.texturestages[0].texture as GlTexture).GlReference);
Gl.glDisable(Gl.GL_LIGHTING);
Gl.glBegin(Gl.GL_QUADS);
Gl.glTexCoord2d(0, 1);
Gl.glVertex2i(minimapx, minimapy);
Gl.glTexCoord2d(0, 1 - minimapwidth / (double)minimapsize);
Gl.glVertex2i(minimapx, minimapy + minimapheight);
Gl.glTexCoord2d(minimapwidth / (double)minimapsize, 1 - minimapheight / (double)minimapsize);
Gl.glVertex2i(minimapx + minimapwidth, minimapy + minimapheight);
Gl.glTexCoord2d(minimapwidth / (double)minimapsize, 1);
Gl.glVertex2i(minimapx + minimapwidth, minimapy);
Gl.glEnd();
Gl.glEnable(Gl.GL_LIGHTING);
//Gl.glMatrixMode(Gl.GL_PROJECTION);
//Gl.glPopMatrix();
//Gl.glMatrixMode(Gl.GL_MODELVIEW);
//Gl.glPopMatrix();
}
}
// note to self: move this to subscriber?
void DrawMinimap()
{
Terrain terrain = Terrain.GetInstance();
if (DateTime.Now.Subtract(LastMinimapUpdate).TotalMilliseconds > 1000)
//if( true )
{
List<RendererPass> rendererpasses = new List<RendererPass>();
bool multipass = true; // force multipass for now for simplicity
int maxtexels = RendererSdl.GetInstance().MaxTexelUnits;
if (multipass)
{
for (int i = 0; i < terrain.texturestages.Count; i++)
{
MapTextureStage maptexturestage = terrain.texturestages[i];
int numtexturestagesrequired = maptexturestage.NumTextureStagesRequired;
if (numtexturestagesrequired > 0) // exclude Nops
{
RendererPass rendererpass = new RendererPass(maxtexels);
for (int j = 0; j < maptexturestage.NumTextureStagesRequired; j++)
{
rendererpass.AddStage(new RendererTextureStage(maptexturestage, j, true, mapwidth * Terrain.SquareSize, mapheight * Terrain.SquareSize));
}
rendererpasses.Add(rendererpass);
}
}
}
GraphicsHelperGl g = new GraphicsHelperGl();
//g.ApplyOrtho(windowwidth, windowheight, RendererSdl.GetInstance().OuterWindowWidth, RendererSdl.GetInstance().OuterWindowHeight);
g.EnableBlendSrcAlpha();
Gl.glDepthFunc(Gl.GL_LEQUAL);
int chunkwidth = minimapwidth / numchunks;
int chunkheight = minimapheight / numchunks;
float[] ambientLight = new float[] { 0.4f, 0.4f, 0.4f, 1.0f };
float[] diffuseLight = new float[] { 0.6f, 0.6f, 0.6f, 1.0f };
float[] specularLight = new float[] { 0.2f, 0.2f, 0.2f, 1.0f };
float[] position = new float[] { -1.0f, 0.2f, -0.4f, 1.0f };
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_AMBIENT, ambientLight);
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_DIFFUSE, diffuseLight);
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_SPECULAR, specularLight);
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_POSITION, position);
foreach (RendererPass rendererpass in rendererpasses)
{
rendererpass.Apply();
for (int x = 0; x + chunkwidth < minimapwidth; x += chunkwidth)
{
for (int y = 0; y + chunkheight < minimapheight; y += chunkheight)
{
Gl.glBegin(Gl.GL_QUADS);
//double ul = 0;
//double ur = mapwidth * Terrain.SquareSize;
//double vt = 0;
//double vb = mapheight * Terrain.SquareSize;
double ul = (double)x / minimapwidth * mapwidth * Terrain.SquareSize;
double ur = (double)(x + chunkwidth) / minimapwidth * mapwidth * Terrain.SquareSize;
double vt = (double)y / minimapheight * mapheight * Terrain.SquareSize;
double vb = (double)(y + chunkheight) / minimapheight * mapheight * Terrain.SquareSize;
double xl = minimapx + x;
double xr = minimapx + x + minimapwidth / (double)numchunks;
double yt = minimapy + y;
double yb = minimapy + y + minimapheight / (double)numchunks;
Gl.glTexCoord2d(ul, vt);
Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ul, vt);
g.Normal(renderableheightmap.GetNormal(x * mapwidth / minimapwidth, y * mapheight / minimapheight));
//g.Normal(renderableheightmap.normalsperquad[, ]);
Gl.glVertex2d(xl, yt);
Gl.glTexCoord2d(ul, vb);
Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ul, vb);
g.Normal(renderableheightmap.GetNormal(x * mapwidth / minimapwidth, (y + chunkheight) * mapheight / minimapheight));
//g.Normal( renderableheightmap.normalsperquad[x * mapwidth / minimapwidth, (y + 1) * mapheight / minimapheight ] );
Gl.glVertex2d(xl, yb);
Gl.glTexCoord2d(ur, vb);
Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ur, vb);
g.Normal(renderableheightmap.GetNormal((x + chunkwidth) * mapwidth / minimapwidth, (y + chunkheight) * mapheight / minimapheight));
//g.Normal(renderableheightmap.normalsperquad[(x + 1) * mapwidth / minimapwidth, (y + 1) * mapheight / minimapheight]);
Gl.glVertex2d(xr, yb);
Gl.glTexCoord2d(ur, vt);
Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ur, vt);
g.Normal(renderableheightmap.GetNormal((x + chunkwidth) * mapwidth / minimapwidth, y * mapheight / minimapheight));
//g.Normal(renderableheightmap.normalsperquad[(x + 1) * mapwidth / minimapwidth, y * mapheight / minimapheight]);
Gl.glVertex2d(xr, yt);
Gl.glEnd();
}
}
}
g.ActiveTexture(0);
Gl.glBindTexture(Gl.GL_TEXTURE_2D, minimaptexture);
Gl.glCopyTexImage2D(Gl.GL_TEXTURE_2D, 0, Gl.GL_RGBA8, minimapx,
RendererSdl.GetInstance().InnerWindowHeight - minimapy - minimapsize,
minimapsize, minimapsize, 0);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_NEAREST);
LastMinimapUpdate = DateTime.Now;
// g.RemoveOrtho();
g.ActiveTexture(1);
g.DisableTexture2d();
g.SetTextureScale(1);
g.ActiveTexture(0);
g.SetTextureScale(1);
g.EnableModulate();
Gl.glDisable(Gl.GL_BLEND);
}
else
{
GraphicsHelperGl g = new GraphicsHelperGl();
//Gl.glMatrixMode(Gl.GL_PROJECTION);
//Gl.glPushMatrix();
//Gl.glLoadIdentity();
//Gl.glOrtho(0, windowwidth, windowheight - RendererSdl.GetInstance().OuterWindowHeight, 0, -1, 1); // we'll just draw the minimap directly onto our display
//Gl.glOrtho(0, windowwidth, windowheight, windowheight - RendererSdl.GetInstance().OuterWindowHeight, -1, 1); // we'll just draw the minimap directly onto our display
//Gl.glMatrixMode(Gl.GL_MODELVIEW);
//Gl.glPushMatrix();
//Gl.glLoadIdentity();
g.ActiveTexture(0);
g.EnableTexture2d();
Gl.glBindTexture(Gl.GL_TEXTURE_2D, minimaptexture);
//Gl.glBindTexture(Gl.GL_TEXTURE_2D, (terrain.texturestages[0].texture as GlTexture).GlReference);
Gl.glDisable(Gl.GL_LIGHTING);
Gl.glBegin(Gl.GL_QUADS);
Gl.glTexCoord2d(0, 1);
Gl.glVertex2i(minimapx, minimapy);
Gl.glTexCoord2d(0, 1 - minimapwidth / (double)minimapsize);
Gl.glVertex2i(minimapx, minimapy + minimapheight);
Gl.glTexCoord2d(minimapwidth / (double)minimapsize, 1 - minimapheight / (double)minimapsize);
Gl.glVertex2i(minimapx + minimapwidth, minimapy + minimapheight);
Gl.glTexCoord2d(minimapwidth / (double)minimapsize, 1);
Gl.glVertex2i(minimapx + minimapwidth, minimapy);
Gl.glEnd();
Gl.glEnable(Gl.GL_LIGHTING);
//Gl.glMatrixMode(Gl.GL_PROJECTION);
//Gl.glPopMatrix();
//Gl.glMatrixMode(Gl.GL_MODELVIEW);
//Gl.glPopMatrix();
}
}