コード例 #1
0
        public void render()
        {
            if (TerrainGlobals.getEditor().mBrushShowVerts)
            {
                float ptSize = 2;
                BRenderDevice.getDevice().SetRenderState(RenderStates.PointSize, ptSize);
                {
                    BRenderDevice.getDevice().SetRenderState(RenderStates.AlphaBlendEnable, true);
                    BRenderDevice.getDevice().SetRenderState(RenderStates.SourceBlend, (int)Blend.SourceAlpha);
                    BRenderDevice.getDevice().SetRenderState(RenderStates.DestinationBlend, (int)Blend.InvSourceAlpha);

                    BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorOperation, (int)TextureOperation.SelectArg1);
                    BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument1, (int)TextureArgument.Diffuse);
                    BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaOperation, (int)TextureOperation.SelectArg1);
                    BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaArgument1, (int)TextureArgument.Diffuse);

                    List <BTerrainQuadNode> nodes = new List <BTerrainQuadNode>();

                    float validRadius = (TerrainGlobals.getEditor().getCurrentBrushInfo().mRadius * 1.5f); //scaled out for dramatic changes
                    TerrainGlobals.getTerrain().getQuadNodeRoot().getSphereIntersection(nodes, ref TerrainGlobals.getEditor().mBrushIntersectionPoint, validRadius);
                    for (int i = 0; i < nodes.Count; i++)
                    {
                        nodes[i].renderCursor();
                    }

                    BRenderDevice.getDevice().SetRenderState(RenderStates.AlphaBlendEnable, false);
                    BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorOperation, (int)TextureOperation.Modulate);
                    BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument1, (int)TextureArgument.Diffuse);
                    BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument2, (int)TextureArgument.TextureColor);
                    BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaOperation, (int)TextureOperation.Modulate);
                    BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaArgument1, (int)TextureArgument.Diffuse);
                    BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaArgument2, (int)TextureArgument.TextureColor);

                    BRenderDevice.getDevice().SetRenderState(RenderStates.ZEnable, true);
                }
            }
            else
            {
                // Draw 2D radius and hotspot circle
                BRenderDevice.getDevice().VertexFormat = VertexFormats.Position;
                BRenderDevice.getDevice().SetStreamSource(0, gCircleVB, 0);
                BRenderDevice.getDevice().VertexShader = null;
                BRenderDevice.getDevice().PixelShader  = null;
                BRenderDevice.getDevice().SetTexture(0, null);


                BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorOperation, (int)TextureOperation.SelectArg1);
                BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument1, (int)TextureArgument.TFactor);
                BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaOperation, (int)TextureOperation.SelectArg1);
                BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaArgument1, (int)TextureArgument.TFactor);
                BRenderDevice.getDevice().SetTextureStageState(1, TextureStageStates.ColorOperation, (int)TextureOperation.Disable);
                BRenderDevice.getDevice().SetTextureStageState(1, TextureStageStates.AlphaOperation, (int)TextureOperation.Disable);

                BRenderDevice.getDevice().SetRenderState(RenderStates.Lighting, false);
                BRenderDevice.getDevice().SetRenderState(RenderStates.SourceBlend, (int)Blend.SourceAlpha);
                BRenderDevice.getDevice().SetRenderState(RenderStates.DestinationBlend, (int)Blend.InvSourceAlpha);

                BRenderDevice.getDevice().SetRenderState(RenderStates.AlphaBlendEnable, true);
                BRenderDevice.getDevice().SetRenderState(RenderStates.ZBufferFunction, (int)Compare.Always);
                BRenderDevice.getDevice().SetRenderState(RenderStates.ZBufferWriteEnable, false);
                BRenderDevice.getDevice().SetRenderState(RenderStates.AntialiasedLineEnable, true);



                // Set circle color based on mode
                Vector3 brushColor;
                bool    selectionMode = (UIManager.GetAsyncKeyStateB(Key.RightControl) || UIManager.GetAsyncKeyStateB(Key.LeftControl)) && (!UIManager.GetAsyncKeyStateB(Key.LeftShift) && !UIManager.GetAsyncKeyStateB(Key.RightShift));
                if (!selectionMode)
                {
                    brushColor = new Vector3(1, 1, 1);
                }
                else
                {
                    brushColor = new Vector3(1, 1, 0);
                }


                // Compute matrices for circles
                Matrix viewMat = BRenderDevice.getDevice().GetTransform(TransformType.View);
                viewMat.Invert();

                Matrix circleMatrix = Matrix.Translation(TerrainGlobals.getEditor().mBrushIntersectionPoint);
                circleMatrix.M11 = viewMat.M11; circleMatrix.M12 = viewMat.M12; circleMatrix.M13 = viewMat.M13;
                circleMatrix.M21 = viewMat.M21; circleMatrix.M22 = viewMat.M22; circleMatrix.M23 = viewMat.M23;
                circleMatrix.M31 = viewMat.M31; circleMatrix.M32 = viewMat.M32; circleMatrix.M33 = viewMat.M33;

                float  hotSpotDist      = TerrainGlobals.getEditor().getCurrentBrushInfo().mRadius *TerrainGlobals.getEditor().getCurrentBrushInfo().mHotspot;
                Matrix WorldInnerRadius = Matrix.Scaling(hotSpotDist, hotSpotDist, hotSpotDist);
                WorldInnerRadius.Multiply(circleMatrix);
                Matrix WorldOuterRadius = Matrix.Scaling(TerrainGlobals.getEditor().getCurrentBrushInfo().mRadius, TerrainGlobals.getEditor().getCurrentBrushInfo().mRadius, TerrainGlobals.getEditor().getCurrentBrushInfo().mRadius);
                WorldOuterRadius.Multiply(circleMatrix);

                // Render circles with their corresponding colors
                BRenderDevice.getDevice().SetRenderState(RenderStates.TextureFactor, (int)BRenderDevice.D3DCOLOR_COLORVALUE(brushColor.X, brushColor.Y, brushColor.Z, 0.5f));
                BRenderDevice.getDevice().SetTransform(TransformType.World, WorldInnerRadius);
                BRenderDevice.getDevice().DrawPrimitives(PrimitiveType.LineStrip, 0, cNumCircleVBVerts - 1);

                BRenderDevice.getDevice().SetRenderState(RenderStates.TextureFactor, (int)BRenderDevice.D3DCOLOR_COLORVALUE(brushColor.X, brushColor.Y, brushColor.Z, 1));
                BRenderDevice.getDevice().SetTransform(TransformType.World, WorldOuterRadius);
                BRenderDevice.getDevice().DrawPrimitives(PrimitiveType.LineStrip, 0, cNumCircleVBVerts - 1);

                // Restore states
                BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorOperation, (int)TextureOperation.Modulate);
                BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument1, (int)TextureArgument.Diffuse);
                BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument2, (int)TextureArgument.TextureColor);
                BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaOperation, (int)TextureOperation.Modulate);
                BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaArgument1, (int)TextureArgument.Diffuse);
                BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument2, (int)TextureArgument.TextureColor);
                BRenderDevice.getDevice().SetRenderState(RenderStates.AlphaBlendEnable, false);
                BRenderDevice.getDevice().SetRenderState(RenderStates.ZBufferFunction, (int)Compare.LessEqual);
                BRenderDevice.getDevice().SetRenderState(RenderStates.ZBufferWriteEnable, true);
                BRenderDevice.getDevice().SetRenderState(RenderStates.AntialiasedLineEnable, false);

                // Restore transform
                BRenderDevice.getDevice().SetTransform(TransformType.World, Matrix.Identity);
            }
        }