75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
#include "OpenGLTerrainChunk.h"
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#include "BaseTestCase.h"
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#include "NoiseNode.h"
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#include "OpenGLRenderer.h"
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#include "OpenGLVertexArray.h"
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#include "Scenery.h"
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#include "TerrainDefinition.h"
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#include "TestToolNoise.h"
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#include "Vector3.h"
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static void checkVertex(const OpenGLVertexArray *array, int index, const Vector3 &expected_location, double expected_u,
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double expected_v) {
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Vector3 location;
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double u, v;
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array->get(index, &location, &u, &v);
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EXPECT_VECTOR3_COORDS(location, expected_location.x, expected_location.y, expected_location.z);
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EXPECT_DOUBLE_EQ(expected_u, u);
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EXPECT_DOUBLE_EQ(expected_v, v);
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}
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TEST(OpenGLTerrainChunk, setFirstStepVertices) {
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Scenery scenery;
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scenery.getTerrain()->propHeightNoise()->forceSetGenerator(new ConstantFractalNoise(0.0));
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OpenGLRenderer renderer(&scenery);
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OpenGLTerrainChunk chunk(&renderer, 0.0, 0.0, 1.0, 1);
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ASSERT_EQ(0, chunk.getVerticesLevel());
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chunk.setFirstStepVertices();
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EXPECT_EQ(1, chunk.getVerticesLevel());
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ASSERT_EQ(6, chunk.getVertices()->getVertexCount());
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const OpenGLVertexArray *array = chunk.getVertices();
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checkVertex(array, 0, Vector3(0.0, 0.0, 0.0), 0.0, 0.0);
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checkVertex(array, 1, Vector3(0.0, 0.0, 1.0), 0.0, 1.0);
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checkVertex(array, 2, Vector3(1.0, 0.0, 0.0), 1.0, 0.0);
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checkVertex(array, 3, Vector3(1.0, 0.0, 1.0), 1.0, 1.0);
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checkVertex(array, 4, Vector3(1.0, 0.0, 0.0), 1.0, 0.0);
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checkVertex(array, 5, Vector3(0.0, 0.0, 1.0), 0.0, 1.0);
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}
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TEST(OpenGLTerrainChunk, augmentVertices) {
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Scenery scenery;
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scenery.getTerrain()->propHeightNoise()->forceSetGenerator(new ConstantFractalNoise(0.0));
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OpenGLRenderer renderer(&scenery);
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OpenGLTerrainChunk chunk(&renderer, 0.0, 0.0, 1.0, 1);
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ASSERT_EQ(0, chunk.getVerticesLevel());
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chunk.setFirstStepVertices();
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ASSERT_EQ(1, chunk.getVerticesLevel());
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chunk.augmentVertices();
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ASSERT_EQ(2, chunk.getVerticesLevel());
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EXPECT_EQ(24, chunk.getVertices()->getVertexCount());
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const OpenGLVertexArray *array = chunk.getVertices();
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checkVertex(array, 0, Vector3(0.0, 0.0, 0.0), 0.0, 0.0);
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checkVertex(array, 1, Vector3(0.0, 0.0, 0.5), 0.0, 0.5);
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checkVertex(array, 2, Vector3(0.5, 0.0, 0.0), 0.5, 0.0);
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checkVertex(array, 3, Vector3(0.5, 0.0, 0.5), 0.5, 0.5);
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checkVertex(array, 4, Vector3(0.5, 0.0, 0.0), 0.5, 0.0);
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checkVertex(array, 5, Vector3(0.0, 0.0, 0.5), 0.0, 0.5);
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checkVertex(array, 6, Vector3(0.5, 0.0, 0.0), 0.5, 0.0);
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checkVertex(array, 7, Vector3(0.5, 0.0, 0.5), 0.5, 0.5);
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checkVertex(array, 8, Vector3(1.0, 0.0, 0.0), 1.0, 0.0);
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checkVertex(array, 9, Vector3(1.0, 0.0, 0.5), 1.0, 0.5);
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checkVertex(array, 10, Vector3(1.0, 0.0, 0.0), 1.0, 0.0);
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checkVertex(array, 11, Vector3(0.5, 0.0, 0.5), 0.5, 0.5);
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}
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