108 lines
2.2 KiB
C++
108 lines
2.2 KiB
C++
#ifndef NXS_NEXUS_MT_H
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#define NXS_NEXUS_MT_H
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#include "nexus.h"
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#include <vector>
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#include <queue>
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#include <wrap/gui/frustum.h>
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namespace nxs {
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class Frag:public std::vector<unsigned int> {};
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struct Node {
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std::vector<Node *> in;
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std::vector<Node *> out;
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std::vector<Frag> frags;
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float error;
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bool visited;
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};
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class Policy {
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public:
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virtual bool Expand(unsigned int patch, Nexus::Entry &entry) = 0;
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virtual void GetView() {}
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virtual void Visit(Node *node, std::queue<Node *> &qnode);
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};
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class FrustumPolicy: public Policy {
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public:
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vcg::Frustumf frustum;
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float error;
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FrustumPolicy(float _err = 4): error(_err) {}
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void GetView() { frustum.GetView(); }
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bool Expand(unsigned int patch, Nexus::Entry &entry);
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};
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class NexusMt: public Nexus {
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private:
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std::vector<Node> nodes;
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public:
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//Vertex buffer object mode
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enum Vbo { VBO_AUTO, //autodetect best size (fallback if not VBO)
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VBO_AUTO_ON, //autodetect best size must use VBO
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VBO_OFF, //no vertex buffer object
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VBO_FIXED }; //user supplied size
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enum PolicyKind { FRUSTUM, //screen error extraction
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GEOMETRY }; //geometry error extraction
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enum Mode { POINTS,
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SMOOTH,
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XRAY,
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HIDDEN_LINE,
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FLAT_WIRE,
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FLAT};
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enum Component { COLOR = 0x1,
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NORMAL = 0x2,
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TEXTURE = 0x4,
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DATA = 0x8};
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Vbo vbo;
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unsigned int vbo_size;
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Policy *policy;
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float error;
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bool realtime;
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Mode mode;
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unsigned int components;
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bool use_normals;
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bool use_colors;
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bool use_textures;
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bool use_data;
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NexusMt();
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bool Load(const std::string &filename);
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bool InitGL();
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void Render();
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void SetPolicy(Policy *policy, bool realtime = true);
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void SetPolicy(PolicyKind kind, float error, bool realtime = true);
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void SetVbo(Vbo mode, unsigned int vbo_size = 0);
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bool SetMode(Mode mode);
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bool SetComponent(Component c, bool on);
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bool SetComponents(unsigned int mask);
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void ExtractFixed(std::vector<unsigned int> &selected, float error);
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void Extract(std::vector<unsigned int> &selected, Policy *policy);
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protected:
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void LoadHistory();
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void ClearHistory();
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void Select(std::vector<unsigned int> &selected);
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};
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}
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#endif
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