Automake updates.

[flightgear.git] / src / Main / CameraGroup.cxx

diff --git a/src/Main/CameraGroup.cxx b/src/Main/CameraGroup.cxx
index 4e968fc2d812dcb2435f2a01905a3be46561f857..954a591e55d0c41ad761b2772d557aec8eda639b 100644 (file)
--- a/src/Main/CameraGroup.cxx
+++ b/src/Main/CameraGroup.cxx
@@ -14,6 +14,10 @@
 // along with this program; if not, write to the Free Software
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
 #include "CameraGroup.hxx"
 
 #include "globals.hxx"
@@ -23,6 +27,7 @@
 #include "WindowSystemAdapter.hxx"
 #include <simgear/props/props.hxx>
 #include <simgear/structure/OSGUtils.hxx>
+#include <simgear/scene/material/EffectCullVisitor.hxx>
 #include <simgear/scene/util/RenderConstants.hxx>
 
 #include <algorithm>
@@ -40,6 +45,7 @@
 #include <osgUtil/IntersectionVisitor>
 
 #include <osgViewer/GraphicsWindow>
+#include <osgViewer/Renderer>
 
 namespace flightgear
 {
@@ -100,14 +106,12 @@ void makeNewProjMat(Matrixd& oldProj, double znear,
 
 void installCullVisitor(Camera* camera)
 {
-#if 0 // Not yet
     osgViewer::Renderer* renderer
         = static_cast<osgViewer::Renderer*>(camera->getRenderer());
     for (int i = 0; i < 2; ++i) {
         osgUtil::SceneView* sceneView = renderer->getSceneView(i);
         sceneView->setCullVisitor(new simgear::EffectCullVisitor);
     }
-#endif
 }
 }
 
@@ -134,8 +138,12 @@ CameraInfo* CameraGroup::addCamera(unsigned flags, Camera* camera,
 
     Camera* farCamera = 0;
     if ((flags & (GUI | ORTHO)) == 0) {
-        farCamera = simgear::clone(camera);
+        farCamera = new Camera;
+        farCamera->setAllowEventFocus(camera->getAllowEventFocus());
         farCamera->setGraphicsContext(camera->getGraphicsContext());
+        farCamera->setCullingMode(camera->getCullingMode());
+        farCamera->setInheritanceMask(camera->getInheritanceMask());
+        farCamera->setReferenceFrame(Transform::ABSOLUTE_RF);
         // Each camera's viewport is written when the window is
         // resized; if the the viewport isn't copied here, it gets updated
         // twice and ends up with the wrong value.
@@ -144,15 +152,15 @@ CameraInfo* CameraGroup::addCamera(unsigned flags, Camera* camera,
         installCullVisitor(farCamera);
         info->farCamera = farCamera;
         info->farSlaveIndex = _viewer->getNumSlaves() - 1;
-        farCamera->setRenderOrder(Camera::NESTED_RENDER, info->farSlaveIndex);
+        farCamera->setRenderOrder(Camera::POST_RENDER, info->farSlaveIndex);
         camera->setCullMask(camera->getCullMask() & ~simgear::BACKGROUND_BIT);
+        camera->setClearMask(GL_DEPTH_BUFFER_BIT);
     }
-    camera->setClearMask(GL_DEPTH_BUFFER_BIT);
     _viewer->addSlave(camera, view, projection, useMasterSceneData);
     installCullVisitor(camera);
     info->camera = camera;
     info->slaveIndex = _viewer->getNumSlaves() - 1;
-    camera->setRenderOrder(Camera::NESTED_RENDER, info->slaveIndex);
+    camera->setRenderOrder(Camera::POST_RENDER, info->slaveIndex);
     _cameras.push_back(info);
     return info;
 }
@@ -190,18 +198,22 @@ void CameraGroup::update(const osg::Vec3d& position,
             double left, right, bottom, top, parentNear, parentFar;
             projectionMatrix.getFrustum(left, right, bottom, top,
                                         parentNear, parentFar);
-            if (parentFar < 100.0) {
+            if (parentFar < _nearField || _nearField == 0.0f) {
                 camera->setProjectionMatrix(projectionMatrix);
                 camera->setCullMask(camera->getCullMask()
                                     | simgear::BACKGROUND_BIT);
+                camera->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
                 farCamera->setNodeMask(0);
             } else {
                 Matrix nearProj, farProj;
-                makeNewProjMat(projectionMatrix, parentNear, 100.0, nearProj);
-                makeNewProjMat(projectionMatrix, 100.0, parentFar, farProj);
+                makeNewProjMat(projectionMatrix, parentNear, _nearField,
+                               nearProj);
+                makeNewProjMat(projectionMatrix, _nearField, parentFar,
+                               farProj);
                 camera->setProjectionMatrix(nearProj);
                 camera->setCullMask(camera->getCullMask()
                                     & ~simgear::BACKGROUND_BIT);
+                camera->setClearMask(GL_DEPTH_BUFFER_BIT);
                 farCamera->setProjectionMatrix(farProj);
                 farCamera->setNodeMask(camera->getNodeMask());
             }
@@ -211,11 +223,11 @@ void CameraGroup::update(const osg::Vec3d& position,
 
 void CameraGroup::setCameraParameters(float vfov, float aspectRatio)
 {
-    const float zNear = .1f;
-    const float zFar = 120000.0f;
-    _viewer->getCamera()->setProjectionMatrixAsPerspective(vfov,
-                                                           1.0f / aspectRatio,
-                                                           zNear, zFar);
+    if (vfov != 0.0f && aspectRatio != 0.0f)
+        _viewer->getCamera()
+            ->setProjectionMatrixAsPerspective(vfov,
+                                               1.0f / aspectRatio,
+                                               _zNear, _zFar);
 }
 }
 
@@ -290,7 +302,6 @@ CameraInfo* CameraGroup::buildCamera(SGPropertyNode* cameraNode)
     WindowBuilder *wBuild = WindowBuilder::getWindowBuilder();
     const SGPropertyNode* windowNode = cameraNode->getNode("window");
     GraphicsWindow* window = 0;
-    static int cameraNum = 0;
     int cameraFlags = DO_INTERSECTION_TEST;
     if (windowNode) {
         // New style window declaration / definition
@@ -310,7 +321,11 @@ CameraInfo* CameraGroup::buildCamera(SGPropertyNode* cameraNode)
                            | CullSettings::VIEW_FRUSTUM_CULLING);
     camera->setInheritanceMask(CullSettings::ALL_VARIABLES
                                & ~(CullSettings::CULL_MASK
-                                   | CullSettings::CULLING_MODE));
+                                   | CullSettings::CULLING_MODE
+#if defined(HAVE_CULLSETTINGS_CLEAR_MASK)
+                                   | CullSettings::CLEAR_MASK
+#endif
+                                   ));
 
     osg::Matrix pOff;
     osg::Matrix vOff;
@@ -392,7 +407,6 @@ CameraInfo* CameraGroup::buildGUICamera(SGPropertyNode* cameraNode,
     const SGPropertyNode* windowNode = (cameraNode
                                         ? cameraNode->getNode("window")
                                         : 0);
-    static int cameraNum = 0;
     if (!window) {
         if (windowNode) {
             // New style window declaration / definition
@@ -412,7 +426,11 @@ CameraInfo* CameraGroup::buildGUICamera(SGPropertyNode* cameraNode,
         camera->setClearMask(0);
     camera->setInheritanceMask(CullSettings::ALL_VARIABLES
                                & ~(CullSettings::COMPUTE_NEAR_FAR_MODE
-                                   | CullSettings::CULLING_MODE));
+                                   | CullSettings::CULLING_MODE
+#if defined(HAVE_CULLSETTINGS_CLEAR_MASK)
+                                   | CullSettings::CLEAR_MASK
+#endif
+                                   ));
     camera->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
     camera->setCullingMode(osg::CullSettings::NO_CULLING);
     camera->setProjectionResizePolicy(Camera::FIXED);
@@ -444,16 +462,25 @@ CameraGroup* CameraGroup::buildCameraGroup(osgViewer::Viewer* viewer,
             cgroup->buildGUICamera(pNode);
         }
     }
+    bindMemberToNode(gnode, "znear", cgroup, &CameraGroup::_zNear, .1f);
+    bindMemberToNode(gnode, "zfar", cgroup, &CameraGroup::_zFar, 120000.0f);
+    bindMemberToNode(gnode, "near-field", cgroup, &CameraGroup::_nearField,
+                     100.0f);
     return cgroup;
 }
 
 void CameraGroup::setCameraCullMasks(Node::NodeMask nm)
 {
     for (CameraIterator i = camerasBegin(), e = camerasEnd(); i != e; ++i) {
-        if ((*i)->flags & GUI)
+        CameraInfo* info = i->get();
+        if (info->flags & GUI)
             continue;
-        (*i)->camera->setCullMask(nm & ~simgear::BACKGROUND_BIT);
-        (*i)->farCamera->setCullMask(nm);
+        if (info->farCamera.valid() && info->farCamera->getNodeMask() != 0) {
+            info->camera->setCullMask(nm & ~simgear::BACKGROUND_BIT);
+            info->farCamera->setCullMask(nm);
+        } else {
+            info->camera->setCullMask(nm);
+        }
     }
 }
 
@@ -512,9 +539,12 @@ bool computeIntersections(const CameraGroup* cgroup,
         Matrix windowMat = viewport->computeWindowMatrix();
         Matrix startPtMat = Matrix::inverse(camera->getProjectionMatrix()
                                             * windowMat);
-        Matrix endPtMat
-            = Matrix::inverse(cinfo->farCamera->getProjectionMatrix()
-                              * windowMat);
+        Matrix endPtMat;
+        if (!cinfo->farCamera.valid() || cinfo->farCamera->getNodeMask() == 0)
+            endPtMat = startPtMat;
+        else
+            endPtMat = Matrix::inverse(cinfo->farCamera->getProjectionMatrix()
+                                       * windowMat);
         start = start * startPtMat;
         start /= start.w();
         end = end * endPtMat;