Engine directory for ticket #1

2026-02-13 03:33:48 +00:00 · 2012-09-19 11:15:01 -04:00 · 2012-09-19 11:15:01 -04:00 · 7dbfe6994d
commit 7dbfe6994d
parent 352279af7a
3795 changed files with 1363358 additions and 0 deletions
--- a/Engine/source/scene/sceneRenderState.cpp
+++ b/Engine/source/scene/sceneRenderState.cpp
@ -0,0 +1,110 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "platform/platform.h"
+#include "scene/sceneRenderState.h"
+
+#include "renderInstance/renderPassManager.h"
+#include "math/util/matrixSet.h"
+
+
+
+//-----------------------------------------------------------------------------
+
+SceneRenderState::SceneRenderState( SceneManager* sceneManager,
+                                    ScenePassType passType,
+                                    const SceneCameraState& view,
+                                    RenderPassManager* renderPass /* = NULL */,
+                                    bool usePostEffects /* = true */ )
+   :  mSceneManager( sceneManager ),
+      mCullingState( sceneManager, view ),
+      mRenderPass( renderPass ? renderPass : sceneManager->getDefaultRenderPass() ),
+      mScenePassType( passType ),
+      mRenderNonLightmappedMeshes( true ),
+      mRenderLightmappedMeshes( true ),
+      mUsePostEffects( usePostEffects ),
+      mDisableAdvancedLightingBins( false ),
+      mRenderArea( view.getFrustum().getBounds() ),
+      mAmbientLightColor( sceneManager->getAmbientLightColor() )
+{
+   // Setup the default parameters for the screen metrics methods.
+   mDiffuseCameraTransform = view.getViewWorldMatrix();
+
+   // The vector eye is the camera vector with its 
+   // length normalized to 1 / zFar.
+   getCameraTransform().getColumn( 1, &mVectorEye );
+   mVectorEye.normalize( 1.0f / getFarPlane() );
+
+   // TODO: What about ortho modes?  Is near plane ok
+   // or do i need to remove it... maybe ortho has a near
+   // plane of 1 and it just works out?
+
+   const Frustum& frustum = view.getFrustum();
+   const RectI& viewport = view.getViewport();
+
+   mWorldToScreenScale.set(   ( frustum.getNearDist() * viewport.extent.x ) / ( frustum.getNearRight() - frustum.getNearLeft() ),
+                              ( frustum.getNearDist() * viewport.extent.y ) / ( frustum.getNearTop() - frustum.getNearBottom() ) );
+
+   // Assign shared matrix data to the render pass.
+
+   mRenderPass->assignSharedXform( RenderPassManager::View, view.getWorldViewMatrix() );
+   mRenderPass->assignSharedXform( RenderPassManager::Projection, view.getProjectionMatrix() );
+}
+
+//-----------------------------------------------------------------------------
+
+SceneRenderState::~SceneRenderState()
+{
+}
+
+//-----------------------------------------------------------------------------
+
+const MatrixF& SceneRenderState::getWorldViewMatrix() const
+{
+   return getRenderPass()->getMatrixSet().getWorldToCamera();
+}
+
+//-----------------------------------------------------------------------------
+
+const MatrixF& SceneRenderState::getProjectionMatrix() const
+{
+   return getRenderPass()->getMatrixSet().getCameraToScreen();
+}
+
+//-----------------------------------------------------------------------------
+
+void SceneRenderState::renderObjects( SceneObject** objects, U32 numObjects )
+{
+   // Let the objects batch their stuff.
+
+   PROFILE_START( SceneRenderState_prepRenderImages );
+   for( U32 i = 0; i < numObjects; ++ i )
+   {
+      SceneObject* object = objects[ i ];
+      object->prepRenderImage( this );
+   }
+   PROFILE_END();
+
+   // Render what the objects have batched.
+
+   getRenderPass()->renderPass( this );
+}