paysages3d/src/testing/test_clouds.c

253 lines
8.7 KiB
C

#include "testing/common.h"
#include "rendering/renderer.h"
#include "rendering/tools.h"
#include "rendering/clouds/public.h"
#include "rendering/clouds/clo_density.h"
#include "rendering/clouds/clo_walking.h"
START_TEST(test_clouds_density)
{
/* Setup */
double x, y, z;
CloudsLayerDefinition* layer;
layer = cloudsGetLayerType().callback_create();
/* Test default coverage (empty) */
for (x = -10.0; x < 10.0; x += 10.0)
{
for (y = -10.0; y < 10.0; y += 10.0)
{
for (z = -10.0; z < 10.0; z += 10.0)
{
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, y, z)), 0.0);
}
}
}
/* Test coverage by altitude */
layer->base_coverage = 1.0;
layer->lower_altitude = -1.0;
layer->thickness = 2.0;
cloudsGetLayerType().callback_validate(layer);
layer->base_coverage = 1.0;
noiseForceValue(layer->_coverage_noise, 1.0);
for (x = -10.0; x < 10.0; x += 10.0)
{
for (z = -10.0; z < 10.0; z += 10.0)
{
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 0.0, z)), 1.0);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 0.5, z)), 0.5);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 1.0, z)), 0.0);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 1.5, z)), 0.0);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, -0.5, z)), 0.5);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, -1.0, z)), 0.0);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, -1.5, z)), 0.0);
}
}
layer->base_coverage = 0.5;
noiseForceValue(layer->_coverage_noise, 1.0);
for (x = -10.0; x < 10.0; x += 10.0)
{
for (z = -10.0; z < 10.0; z += 10.0)
{
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 0.0, z)), 0.5);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 0.5, z)), 0.25);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 1.0, z)), 0.0);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 1.5, z)), 0.0);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, -0.5, z)), 0.25);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, -1.0, z)), 0.0);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, -1.5, z)), 0.0);
}
}
layer->base_coverage = 1.0;
noiseForceValue(layer->_coverage_noise, 0.5);
for (x = -10.0; x < 10.0; x += 10.0)
{
for (z = -10.0; z < 10.0; z += 10.0)
{
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 0.0, z)), 0.5);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 0.5, z)), 0.25);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 1.0, z)), 0.0);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, 1.5, z)), 0.0);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, -0.5, z)), 0.25);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, -1.0, z)), 0.0);
ck_assert_double_eq(cloudsGetLayerCoverage(layer, v3(x, -1.5, z)), 0.0);
}
}
/* TODO Test fake renderer */
/* TODO Test real renderer */
/* Teardown */
cloudsGetLayerType().callback_delete(layer);
}
END_TEST
START_TEST(test_clouds_walking_boundaries)
{
Vector3 start, end;
int result;
CloudsLayerDefinition* layer;
layer = cloudsGetLayerType().callback_create();
layer->base_coverage = 1.0;
layer->lower_altitude = -1.0;
layer->thickness = 2.0;
cloudsGetLayerType().callback_validate(layer);
/* Basic cases */
start = v3(0.0, -3.0, 0.0);
end = v3(0.0, -2.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 0);
start = v3(0.0, 2.0, 0.0);
end = v3(0.0, 3.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 0);
start = v3(0.0, -2.0, 0.0);
end = v3(0.0, 2.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 1);
ck_assert_vector_values(start, 0.0, -1.0, 0.0);
ck_assert_vector_values(end, 0.0, 1.0, 0.0);
start = v3(0.0, 0.0, 0.0);
end = v3(0.0, 2.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 1);
ck_assert_vector_values(start, 0.0, 0.0, 0.0);
ck_assert_vector_values(end, 0.0, 1.0, 0.0);
start = v3(0.0, -2.0, 0.0);
end = v3(0.0, 0.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 1);
ck_assert_vector_values(start, 0.0, -1.0, 0.0);
ck_assert_vector_values(end, 0.0, 0.0, 0.0);
/* Basic cases (inverted) */
start = v3(0.0, -2.0, 0.0);
end = v3(0.0, -3.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 0);
start = v3(0.0, 3.0, 0.0);
end = v3(0.0, 2.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 0);
start = v3(0.0, 2.0, 0.0);
end = v3(0.0, -2.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 1);
ck_assert_vector_values(start, 0.0, 1.0, 0.0);
ck_assert_vector_values(end, 0.0, -1.0, 0.0);
start = v3(0.0, 2.0, 0.0);
end = v3(0.0, 0.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 1);
ck_assert_vector_values(start, 0.0, 1.0, 0.0);
ck_assert_vector_values(end, 0.0, 0.0, 0.0);
start = v3(0.0, 0.0, 0.0);
end = v3(0.0, -2.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 1);
ck_assert_vector_values(start, 0.0, 0.0, 0.0);
ck_assert_vector_values(end, 0.0, -1.0, 0.0);
/* Horizontal cases */
start = v3(0.0, 2.0, 0.0);
end = v3(10.0, 2.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 0);
start = v3(0.0, 1.00001, 0.0);
end = v3(10.0, 1.00001, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 0);
start = v3(0.0, -1.00001, 0.0);
end = v3(10.0, -1.00001, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 0);
start = v3(0.0, -2.0, 0.0);
end = v3(10.0, -2.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 0);
start = v3(0.0, 0.0, 0.0);
end = v3(10.0, 0.0, 0.0);
result = cloudsOptimizeWalkingBounds(layer, &start, &end);
ck_assert_int_eq(result, 1);
ck_assert_vector_values(start, 0.0, 0.0, 0.0);
ck_assert_vector_values(end, 10.0, 0.0, 0.0);
cloudsGetLayerType().callback_delete(layer);
}
END_TEST
static double _getLayerDensitySinX(Renderer* renderer, CloudsLayerDefinition* layer, Vector3 location)
{
UNUSED(renderer);
UNUSED(layer);
double density = sin(location.x * (2.0 * M_PI));
return (density > 0.0) ? density : 0.0;
}
START_TEST(test_clouds_primary_segments)
{
int segment_count, i;
CloudPrimarySegment segments[10];
CloudsLayerDefinition* layer;
layer = cloudsGetLayerType().callback_create();
layer->lower_altitude = -1.0;
layer->thickness = 2.0;
cloudsGetLayerType().callback_validate(layer);
Renderer* renderer;
renderer = rendererCreate();
renderer->render_quality = 8;
renderer->clouds->getLayerDensity = _getLayerDensitySinX;
segment_count = cloudsGetLayerPrimarySegments(renderer, layer, v3(-0.4, 0.0, 0.0), v3(1.9, 0.0, 0.0), 10, segments);
ck_assert_int_eq(segment_count, 2);
for (i = 0; i < segment_count; i++)
{
ck_assert_double_eq(segments[i].enter.y, 0.0);
ck_assert_double_eq(segments[i].enter.z, 0.0);
ck_assert_double_eq(segments[i].exit.y, 0.0);
ck_assert_double_eq(segments[i].exit.z, 0.0);
}
ck_assert_double_in_range(segments[0].enter.x, -0.5, 0.0);
ck_assert_double_in_range(segments[0].exit.x, 0.5, 1.0);
ck_assert_double_in_range(segments[0].length, 0.5, 1.5);
ck_assert_double_gte(segments[1].enter.x, segments[0].exit.x);
ck_assert_double_in_range(segments[1].enter.x, 0.5, 1.0);
ck_assert_double_in_range(segments[1].exit.x, 1.5, 2.0);
ck_assert_double_in_range(segments[1].length, 0.5, 1.5);
cloudsGetLayerType().callback_delete(layer);
rendererDelete(renderer);
}
END_TEST
START_TEST(test_clouds_preview_color)
{
Renderer* renderer = cloudsCreatePreviewColorRenderer();
/* TODO Test the density overriding */
rendererDelete(renderer);
}
END_TEST
TEST_CASE(clouds, test_clouds_density, test_clouds_walking_boundaries, test_clouds_primary_segments, test_clouds_preview_color)