Exemplo n.º 1
0
        public RenderableMinimap(Terrain parent, RenderableHeightMap renderableheightmap)  // note could upgrade this to use Isomething later, but Terrain works for now
        {
            this.parent = parent;
            this.renderableheightmap = renderableheightmap;

            Gl.glGenTextures(1, out minimaptexture);

            RendererSdl.GetInstance().WriteNextFrameEvent += new WriteNextFrameCallback(RenderableMinimap_WriteNextFrameEvent);
        }
Exemplo n.º 2
0
        void RenderableMinimap_WriteNextFrameEvent(Vector3 camerapos)
        {
            //Console.WriteLine( "RenderableMinimap_WriteNextFrameEvent" );
            GetDimensions();

            GraphicsHelperGl g = new GraphicsHelperGl();

            g.CheckError();
            //LogFile.GetInstance().WriteLine( windowwidth + " " + windowheight + " " + RendererSdl.GetInstance().OuterWindowWidth + " " + RendererSdl.GetInstance().OuterWindowHeight );
            g.ApplyOrtho(windowwidth, windowheight, RendererSdl.GetInstance().OuterWindowWidth, RendererSdl.GetInstance().OuterWindowHeight);
            g.CheckError();
            DrawMinimap();
            g.CheckError();
            DrawFrustrum(camerapos);
            g.CheckError();
            if (Render != null)
            {
                Render(minimapx, minimapy, minimapwidth, minimapheight);
            }
            g.CheckError();
            g.RemoveOrtho();
            g.CheckError();
        }
Exemplo n.º 3
0
        // returns byte buffer in raw RGBA format, 32bits per pixel
        // opengl needs to be initialized for this to run
        // normally the renderer is initialized before anything else (in MapDesigner.cs), so this should be ok
        public byte[] CreateUnitPic(string s3ofilepath, int width, int height)
        {
            int picturewidth  = 96;
            int pictureheight = 96;

            GraphicsHelperGl g = new GraphicsHelperGl();

            Unit unit = new S3oLoader().LoadS3o(s3ofilepath);

            Gl.glViewport(0, 0, picturewidth, pictureheight);                                   // Set Our Viewport (Match Texture Size)
            //Gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);				// Set The Clear Color To Medium Blue

            Gl.glMatrixMode(Gl.GL_PROJECTION);
            Gl.glPushMatrix();
            Gl.glLoadIdentity();
            Glu.gluPerspective(60.0, (float)picturewidth / (float)pictureheight, 0.1, 1000.0);
            Gl.glMatrixMode(Gl.GL_MODELVIEW);

            /*
             * float[] ambientLight = new float[] { 1.0f, 1.0f, 1.0f, 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[] { -1.5f, 1.0f, -4.0f, 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);
             */
            Gl.glClear(Gl.GL_COLOR_BUFFER_BIT | Gl.GL_DEPTH_BUFFER_BIT);                // Clear The Screen And Depth Buffer

            Gl.glPushMatrix();
            Gl.glLoadIdentity();

            Gl.glRotated(-20, 0, 1, 0);
            Gl.glTranslated(-8, -8, -27);

            Gl.glRotated(-90, 1, 0, 0);

            Gl.glEnable(Gl.GL_LIGHTING);

            unit.Render();

            Gl.glPopMatrix();
            //g.Bind2DTexture(0);
            //Gl.glDeleteTextures(2, new int[] { unittexture1, unittexture2 });
            Gl.glViewport(0, 0, RendererSdl.GetInstance().OuterWindowWidth, RendererSdl.GetInstance().OuterWindowHeight);
            Gl.glMatrixMode(Gl.GL_PROJECTION);
            Gl.glPopMatrix();
            Gl.glMatrixMode(Gl.GL_MODELVIEW);
            g.CheckError();

            byte[] buffer = new byte[pictureheight * picturewidth * 4];
            IntPtr ptr    = Marshal.AllocHGlobal(picturewidth * pictureheight * 4);

            Gl.glReadPixels(0, 0, picturewidth, pictureheight, Gl.GL_RGBA, Gl.GL_UNSIGNED_BYTE, ptr);
            Marshal.Copy(ptr, buffer, 0, picturewidth * pictureheight * 4);
            Marshal.FreeHGlobal(ptr);

            // flip

            /* or not
             * byte[] newbuffer = new byte[pictureheight * picturewidth * 4];
             * for (int x = 0; x < picturewidth; x++)
             * {
             *  for (int y = 0; y < picturewidth; y++)
             *  {
             *      for (int i = 0; i < 4; i++)
             *      {
             *          newbuffer[( pictureheight - y - 1 ) * picturewidth * 4 + x * 4 + i] = buffer[y * picturewidth * 4 + x * 4 + i];
             *      }
             *  }
             * }
             */

            return(buffer);
        }
Exemplo n.º 4
0
        // determine which chunks are used by each texture stage
        // only affects blend really
        void CacheChunkTextureStageUsage()
        {
            int numxchunks = width / chunksize;
            int numychunks = height / chunksize;

            chunkusestexturestage = new Dictionary <MapTextureStage, bool[, ]>();
            foreach (MapTextureStage maptexturestage in maptexturestages)
            {
                chunkusestexturestage.Add(maptexturestage, new bool[numxchunks, numychunks]);
            }
            for (int chunkx = 0; chunkx < numxchunks; chunkx++)
            {
                for (int chunky = 0; chunky < numychunks; chunky++)
                {
                    //    Console.WriteLine("chunk " + chunkx + " " + chunky);
                    for (int texturestageindex = 0; texturestageindex < maptexturestages.Count; texturestageindex++)
                    {
                        MapTextureStage texturestage = maptexturestages[texturestageindex];
                        //Console.WriteLine("texturestage " + texturestageindex + " " + texturestage.Operation );
                        if (texturestage.Operation == MapTextureStage.OperationType.Blend)
                        {
                            bool texturestageused = false;
                            // go through each point in chunk and check if texturestage is used
                            for (int mapx = chunkx * chunksize; mapx < (chunkx + 1) * chunksize && !texturestageused;
                                 mapx++)
                            {
                                for (int mapy = chunky * chunksize; mapy < (chunky + 1) * chunksize && !texturestageused;
                                     mapy++)
                                {
                                    if (texturestage.Affects(mapx, mapy, width, height))
                                    {
                                        texturestageused = true;
                                    }
                                }
                            }
                            chunkusestexturestage[texturestage][chunkx, chunky] = texturestageused;
                            //  if (chunkusestexturestage[texturestageindex][chunkx, chunky])
                            //{
                            //  Console.WriteLine("texturestage used: " + texturestageindex + " " + chunkx + " " + chunky);
                            //}
                        }
                        else if (texturestage.Operation == MapTextureStage.OperationType.Nop)
                        {
                            chunkusestexturestage[texturestage][chunkx, chunky] = false;
                        }
                        else
                        {
                            //Console.WriteLine("RenderableHeightMap,, cache chunk usage, true");
                            chunkusestexturestage[texturestage][chunkx, chunky] = true;
                        }
                    }
                }
            }
            maxtexels = RendererSdl.GetInstance().MaxTexelUnits;

            int totaltexturestagesneeded = 0;

            foreach (MapTextureStage maptexturestage in maptexturestages)
            {
                totaltexturestagesneeded += maptexturestage.NumTextureStagesRequired;
            }

            multipass = false;
            if (totaltexturestagesneeded > maxtexels)
            {
                multipass = true;
            }
            rendererpasses = new List <RendererPass>();
            //maxtexels = 2;
            //int currenttexel = 0;

            multipass = true; // force multipass for now for simplicity
            if (multipass)
            {
                for (int i = 0; i < maptexturestages.Count; i++)
                {
                    MapTextureStage maptexturestage          = maptexturestages[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, width, height));
                        }
                        rendererpasses.Add(rendererpass);
                    }
                }
            }
        }
Exemplo n.º 5
0
        // what we need to do is to render the splatted texture in ortho mode with lighting off
        // or normals off (to be tested)
        // then to export the generated bitmap
        // viewport should be set to heightmapwidth x heightmapheight
        public void Export(string filepath)
        {
            Terrain terrain       = Terrain.GetInstance();
            int     picturewidth  = terrain.MapWidth * Terrain.SquareSize;
            int     pictureheight = terrain.MapHeight * Terrain.SquareSize;

            LogFile.GetInstance().WriteLine("Export to " + filepath + " picturewidth " + picturewidth + " pictureheight: " + pictureheight);
            //int windowwidth = RendererSdl.GetInstance().WindowWidth;
            //int windowheight = RendererSdl.GetInstance().WindowHeight;
            int windowwidth  = 256;
            int windowheight = 256;

            Gl.glViewport(0, 0, windowwidth, windowheight);

            byte[] buffer = new byte[windowwidth * windowheight * 4];
            //System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap( picturewidth, pictureheight );
            //byte[] imagedata = new byte[picturewidth * pictureheight * 4];
            Image image = new Image(picturewidth, pictureheight);

            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, picturewidth, pictureheight));
                        }
                        rendererpasses.Add(rendererpass);
                    }
                }
            }

            GraphicsHelperGl g = new GraphicsHelperGl();

            Gl.glMatrixMode(Gl.GL_PROJECTION);
            Gl.glPushMatrix();
            Gl.glLoadIdentity();
            Gl.glOrtho(0, windowwidth, windowheight, 0, -1, 1);

            Gl.glMatrixMode(Gl.GL_MODELVIEW);
            Gl.glPushMatrix();
            Gl.glLoadIdentity();

            Gl.glDisable(Gl.GL_CULL_FACE);
            Gl.glDisable(Gl.GL_LIGHTING);

            g.EnableBlendSrcAlpha();
            Gl.glDepthFunc(Gl.GL_LEQUAL);

            for (int chunkx = 0; chunkx < Math.Ceiling((double)picturewidth / windowwidth); chunkx++)
            {
                for (int chunky = 0; chunky < Math.Ceiling((double)pictureheight / windowheight); chunky++)
                {
                    Console.WriteLine("chunkx " + chunkx + " chunky " + chunky);

                    Gl.glClear(Gl.GL_COLOR_BUFFER_BIT | Gl.GL_DEPTH_BUFFER_BIT);                // Clear The Screen And Depth Buffer

                    foreach (RendererPass rendererpass in rendererpasses)
                    {
                        rendererpass.Apply();

                        Gl.glBegin(Gl.GL_QUADS);

                        double ul = (chunkx * windowwidth);
                        double ur = (chunkx * windowwidth + windowwidth);
                        double vt = (chunky * windowheight);
                        double vb = (chunky * windowheight + windowheight);
                        Gl.glTexCoord2d(ul, vt);
                        Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ul, vt);
                        Gl.glVertex2i(0, 0);

                        Gl.glTexCoord2d(ul, vb);
                        Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ul, vb);
                        Gl.glVertex2i(0, windowheight);

                        Gl.glTexCoord2d(ur, vb);
                        Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ur, vb);
                        Gl.glVertex2i(windowwidth, windowheight);

                        Gl.glTexCoord2d(ur, vt);
                        Gl.glMultiTexCoord2dARB(Gl.GL_TEXTURE1_ARB, ur, vt);
                        Gl.glVertex2i(windowwidth, 0);

                        Gl.glEnd();
                    }

                    IntPtr ptr = Marshal.AllocHGlobal(windowwidth * windowheight * 4);
                    Gl.glReadPixels(0, 0, windowwidth, windowheight, Gl.GL_RGBA, Gl.GL_UNSIGNED_BYTE, ptr);
                    Marshal.Copy(ptr, buffer, 0, windowwidth * windowheight * 4);
                    Marshal.FreeHGlobal(ptr);

                    for (int x = 0; x < windowwidth; x++)
                    {
                        for (int y = 0; y < windowheight; y++)
                        {
                            if ((chunky * windowheight + y < pictureheight) &&
                                (chunkx * windowwidth + x < picturewidth))
                            {
                                int pixeloffset = (windowheight - y - 1) * windowwidth * 4 + x * 4;
                                //bitmap.SetPixel(x + chunkx * windowwidth, y + chunky * windowheight, System.Drawing.Color.FromArgb(buffer[pixeloffset + 0],
                                //buffer[pixeloffset + 1], buffer[pixeloffset + 2]));
                                image.SetPixel(x + chunkx * windowwidth, y + chunky * windowheight,
                                               buffer[pixeloffset + 0],
                                               buffer[pixeloffset + 1],
                                               buffer[pixeloffset + 2],
                                               255
                                               );
                            }
                        }
                    }
                }
            }
            if (File.Exists(filepath))
            {
                File.Delete(filepath);
            }
            image.Save(filepath);
            //DevIL.DevIL.SaveBitmap( filepath, bitmap);

            Gl.glPopMatrix();
            Gl.glMatrixMode(Gl.GL_PROJECTION);
            Gl.glPopMatrix();
            Gl.glMatrixMode(Gl.GL_MODELVIEW);

            Gl.glEnable(Gl.GL_LIGHTING);

            g.ActiveTexture(1);
            g.DisableTexture2d();
            g.SetTextureScale(1);
            g.ActiveTexture(0);
            g.SetTextureScale(1);

            Gl.glEnable(Gl.GL_CULL_FACE);
            Gl.glEnable(Gl.GL_LIGHTING);
            Gl.glDisable(Gl.GL_BLEND);

            g.EnableModulate();

            Gl.glViewport(0, 0, RendererSdl.GetInstance().OuterWindowWidth, RendererSdl.GetInstance().OuterWindowHeight);
            g.CheckError();

            MainUI.GetInstance().uiwindow.InfoMessage("Exported blended terrain texture to " + filepath);
        }
Exemplo n.º 6
0
        // 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();
            }
        }