68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
#include "OpenGLVegetationLayer.h"
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#include "BaseTestCase.h"
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#include "CameraDefinition.h"
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#include "OpenGLVegetationInstance.h"
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#include "VegetationInstance.h"
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#include "VegetationLayerDefinition.h"
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#include "VegetationModelDefinition.h"
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class FakeLayerRenderer : public OpenGLVegetationLayer {
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public:
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FakeLayerRenderer(VegetationLayerDefinition *definition) : OpenGLVegetationLayer(NULL, definition, false) {
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}
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virtual ~FakeLayerRenderer() {
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for (auto instance : static_instances) {
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delete instance;
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}
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}
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virtual void produceInstancesInArea(double xmin, double xmax, double zmin, double zmax,
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vector<OpenGLVegetationInstance *> *instances) const override {
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for (auto instance : static_instances) {
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Vector3 location = instance->getBase();
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if (location.x >= xmin and location.z >= zmin and location.x < xmax and location.z < zmax) {
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instances->push_back(instance);
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}
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}
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}
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vector<OpenGLVegetationInstance *> static_instances;
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};
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TEST(OpenGLVegetationLayer, updateInstances) {
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CameraDefinition camera;
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VegetationLayerDefinition definition(NULL, "test");
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FakeLayerRenderer rendering(&definition);
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VegetationModelDefinition model(NULL);
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EXPECT_EQ(0, rendering.getInstanceCount());
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rendering.updateInstances();
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EXPECT_EQ(0, rendering.getInstanceCount());
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rendering.static_instances.push_back(
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new OpenGLVegetationInstance(VegetationInstance(model, Vector3(0.0, 0.0, 0.0))));
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rendering.reset();
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rendering.updateInstances();
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EXPECT_EQ(1, rendering.getInstanceCount());
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camera.setLocation(Vector3(-5.0, 0.0, 0.0));
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rendering.setCamera(&camera);
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rendering.updateInstances();
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EXPECT_EQ(1, rendering.getInstanceCount());
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camera.setLocation(Vector3(-11.0, 0.0, 0.0));
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rendering.setCamera(&camera);
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rendering.updateInstances();
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EXPECT_EQ(0, rendering.getInstanceCount());
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camera.setLocation(Vector3(0.0, 0.0, 5.0));
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rendering.setCamera(&camera);
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rendering.updateInstances();
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EXPECT_EQ(1, rendering.getInstanceCount());
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camera.setLocation(Vector3(0.0, 0.0, 15.0));
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rendering.setCamera(&camera);
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rendering.updateInstances();
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EXPECT_EQ(0, rendering.getInstanceCount());
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}
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