Kearwood Gilbert
e8f9652e42
Textures are assigned a “weight” by tuneable criteria: - Area of screen coverage taken by objects containing material (more accurate and generic than distance) - Type of texture (separate weight for normal, diffuse, spec maps) - Last used time (to keep textures loaded for recently seen objects that are outside of the view frustum) Those factors combine together to give a “weight”, which represents a proportion relative to all other textures weights Mipmap levels are stripped off of each texture until they occupy the amount of memory they should proportionally have This is in contrast to the global ceiling of texture resolution that slowly drops until the textures fit --HG-- branch : nfb extra : rebase_source : 0710cebf76f196f5fea20b6df51be539fafbd834
133 lines
4.7 KiB
C++
133 lines
4.7 KiB
C++
//
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// KRScene.h
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// KREngine
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//
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// Copyright 2012 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#ifndef KRSCENE_H
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#define KRSCENE_H
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#include "KREngine-common.h"
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#include "KRModel.h"
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#include "KRMat4.h"
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#include "KRMesh.h"
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#include "KRCamera.h"
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#include "KRMeshManager.h"
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#include "KRNode.h"
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#include "KRLocator.h"
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#include "KRAmbientZone.h"
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#include "KRReverbZone.h"
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#include "KROctree.h"
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class KRModel;
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class KRLight;
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using std::vector;
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class KRScene : public KRResource {
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public:
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KRScene(KRContext &context, std::string name);
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virtual ~KRScene();
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virtual std::string getExtension();
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virtual bool save(KRDataBlock &data);
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static KRScene *Load(KRContext &context, const std::string &name, KRDataBlock *data);
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KRNode *getRootNode();
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KRLight *getFirstLight();
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kraken_stream_level getStreamLevel();
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bool lineCast(const KRVector3 &v0, const KRVector3 &v1, KRHitInfo &hitinfo, unsigned int layer_mask);
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bool rayCast(const KRVector3 &v0, const KRVector3 &dir, KRHitInfo &hitinfo, unsigned int layer_mask);
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bool sphereCast(const KRVector3 &v0, const KRVector3 &v1, float radius, KRHitInfo &hitinfo, unsigned int layer_mask);
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void renderFrame(float deltaTime, int width, int height);
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void render(KRCamera *pCamera, unordered_map<KRAABB, int> &visibleBounds, const KRViewport &viewport, KRNode::RenderPass renderPass, bool new_frame);
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void render(KROctreeNode *pOctreeNode, unordered_map<KRAABB, int> &visibleBounds, KRCamera *pCamera, std::vector<KRPointLight *> &point_lights, std::vector<KRDirectionalLight *> &directional_lights, std::vector<KRSpotLight *>&spot_lights, const KRViewport &viewport, KRNode::RenderPass renderPass, std::vector<KROctreeNode *> &remainingOctrees, std::vector<KROctreeNode *> &remainingOctreesTestResults, std::vector<KROctreeNode *> &remainingOctreesTestResultsOnly, bool bOcclusionResultsPass, bool bOcclusionTestResultsOnly);
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void updateOctree(const KRViewport &viewport);
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void buildOctreeForTheFirstTime();
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void notify_sceneGraphCreate(KRNode *pNode);
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void notify_sceneGraphDelete(KRNode *pNode);
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void notify_sceneGraphModify(KRNode *pNode);
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void physicsUpdate(float deltaTime);
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void addDefaultLights();
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KRAABB getRootOctreeBounds();
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std::set<KRAmbientZone *> &getAmbientZones();
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std::set<KRReverbZone *> &getReverbZones();
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std::set<KRLocator *> &getLocators();
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std::set<KRLight *> &getLights();
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private:
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KRNode *m_pRootNode;
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KRLight *m_pFirstLight;
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std::set<KRNode *> m_newNodes;
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std::set<KRNode *> m_modifiedNodes;
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std::set<KRNode *> m_physicsNodes;
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std::set<KRAmbientZone *> m_ambientZoneNodes;
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std::set<KRReverbZone *> m_reverbZoneNodes;
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std::set<KRLocator *> m_locatorNodes;
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std::set<KRLight *> m_lights;
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KROctree m_nodeTree;
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std::string m_skyBoxName;
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public:
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template <class T> T *find()
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{
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if(m_pRootNode) return m_pRootNode->find<T>();
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return NULL;
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}
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template <class T> T *find(const std::string &name)
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{
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if(m_pRootNode) return m_pRootNode->find<T>(name);
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return NULL;
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}
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};
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#endif
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