87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
#pragma once
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#include "opengl_global.h"
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#include "OpenGLPart.h"
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#include <vector>
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namespace paysages {
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namespace opengl {
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class VegetationUpdater;
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class OPENGLSHARED_EXPORT OpenGLVegetation : public OpenGLPart {
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public:
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OpenGLVegetation(OpenGLRenderer *renderer);
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virtual ~OpenGLVegetation();
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inline int getLayerCount() {
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return layers.size();
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}
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inline OpenGLVegetationLayer *getLayer(int i) {
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return layers[i];
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}
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inline OpenGLShaderProgram *getProgram() {
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return program;
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}
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virtual void initialize() override;
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virtual void update() override;
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virtual void render() override;
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virtual void nodeChanged(const DefinitionNode *node, const DefinitionDiff *diff,
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const DefinitionNode *parent) override;
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/**
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* Get the currently rendered scenery.
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*/
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Scenery *getScenery() const;
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/**
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* Call this when the dynamic camera (not the scenery one) changed.
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*/
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void cameraChanged(const CameraDefinition *camera);
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/**
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* Acquire the current layers for processing.
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*
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* Don't forget to call releaseLayers once done with them.
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*
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* This will not hold a lock on them, but increment a reference counter to not delete them while in use.
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*/
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void acquireLayers(vector<OpenGLVegetationLayer *> &layers);
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/**
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* Release the layers acquired by acquireLayers.
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*/
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void releaseLayers(const vector<OpenGLVegetationLayer *> &layers);
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/**
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* Find a rendering layer, by the matching definition layer.
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*/
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OpenGLVegetationLayer *findLayer(VegetationLayerDefinition *layer);
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/**
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* Enable or disable the whole vegetation rendering.
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*/
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void setEnabled(bool enabled);
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/**
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* Update the 'layers' member from the scenery.
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*
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* This will create missing layers, and mark extraneous ones for deletion.
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* This will not update existing layers (they should update themselves by watching their definition).
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*/
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void updateLayers();
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private:
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OpenGLShaderProgram *program;
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bool enabled;
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vector<OpenGLVegetationLayer *> layers;
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Mutex *layers_lock;
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VegetationUpdater *updater;
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};
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}
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}
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