358 lines
12 KiB
C++
358 lines
12 KiB
C++
#include "SoftwareCanvasRenderer.h"
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#include "TerrainRenderer.h"
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#include "Scenery.h"
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#include "CameraDefinition.h"
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#include "TerrainDefinition.h"
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#include "AtmosphereDefinition.h"
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#include "AtmosphereRenderer.h"
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#include "AtmosphereResult.h"
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#include "TexturesDefinition.h"
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#include "GodRaysDefinition.h"
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#include "TextureLayerDefinition.h"
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#include "WaterDefinition.h"
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#include "SurfaceMaterial.h"
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#include "FloatNode.h"
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#include "SkyRasterizer.h"
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#include "CloudsDefinition.h"
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#include "LightComponent.h"
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#include "LightingManager.h"
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#include "LightFilter.h"
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#include "GodRaysSampler.h"
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#include "Rasterizer.h"
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#include "SpaceSegment.h"
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#include "OverlayRasterizer.h"
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#include "VegetationModelDefinition.h"
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#include "VegetationInstance.h"
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#include "VegetationRenderer.h"
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#include "RayCastingResult.h"
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#include "OpenGLVegetationImpostor.h"
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#include "Texture2D.h"
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#include "RandomGenerator.h"
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#include <sstream>
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#include <iostream>
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void startRender(SoftwareCanvasRenderer *renderer, const char *outputpath);
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static string getFileName(const string &name, int iteration = -1) {
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ostringstream stream;
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stream << "pic_test_" << name;
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if (iteration >= 0) {
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stream << "_";
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stream.width(4);
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stream.fill('0');
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stream << iteration;
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}
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stream << ".png";
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return stream.str();
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}
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static void startTestRender(SoftwareCanvasRenderer *renderer, const string &name, int iteration = -1) {
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startRender(renderer, getFileName(name, iteration).data());
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}
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static void testGroundShadowQuality() {
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Scenery scenery;
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RandomGenerator random(5);
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scenery.getTerrain()->applyPreset(TerrainDefinition::TERRAIN_PRESET_STANDARD, random);
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scenery.getTerrain()->propWaterHeight()->setValue(-0.5);
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scenery.getWater()->propReflection()->setValue(0.0);
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scenery.getWater()->material->base->r = 0.0;
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scenery.getWater()->material->base->g = 0.3;
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scenery.getWater()->material->base->b = 1.0;
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scenery.getWater()->material->reflection = 0.0;
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scenery.getWater()->foam_coverage = 0.0;
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scenery.getWater()->transparency = 0.0;
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scenery.getAtmosphere()->applyPreset(AtmosphereDefinition::ATMOSPHERE_PRESET_CLEAR_SUNSET, random);
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scenery.getAtmosphere()->setDayTime(16, 45);
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scenery.getTextures()->clear();
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TextureLayerDefinition texture(NULL, "test");
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texture.displacement_height = 0.3;
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texture.displacement_scaling = 2.0;
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texture.material->setColor(0.6, 0.55, 0.57, 1.0);
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texture.material->reflection = 0.006;
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texture.material->shininess = 6.0;
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texture.validate();
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scenery.getTextures()->addLayer(texture);
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scenery.getCamera()->setLocation(Vector3(10.0, 10.0, -10.0));
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scenery.getCamera()->setTarget(VECTOR_ZERO);
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scenery.validate();
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SoftwareCanvasRenderer renderer(&scenery);
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renderer.setSize(400, 300);
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renderer.setQuality(0.2);
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for (int i = 0; i < 6; i++) {
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// TODO keep same rasterization across renders
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renderer.getTerrainRenderer()->setQuality(to_double(i) / 5.0);
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startTestRender(&renderer, "ground_shadow_quality", i);
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}
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}
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static void testRasterizationQuality() {
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Scenery scenery;
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scenery.autoPreset(12);
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SoftwareCanvasRenderer renderer(&scenery);
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renderer.setSize(800, 600);
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renderer.enablePostprocess(false);
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for (int i = 0; i < 6; i++) {
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renderer.setQuality(to_double(i) / 5.0);
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startTestRender(&renderer, "rasterization_quality", i);
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}
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}
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static void testCloudQuality() {
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Scenery scenery;
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scenery.autoPreset(3);
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scenery.getCamera()->setLocation(Vector3(5.0, 5.0, 5.0));
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scenery.getCamera()->setTarget(Vector3(8.0, 7.25, 8.0));
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scenery.getTerrain()->height = 0.0;
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scenery.getTerrain()->validate();
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SoftwareCanvasRenderer renderer(&scenery);
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renderer.setSize(600, 800);
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SkyRasterizer rasterizer(&renderer, renderer.getProgressHelper(), 0);
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renderer.setSoloRasterizer(&rasterizer);
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for (int i = 0; i < 6; i++) {
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renderer.setQuality(to_double(i) / 5.0);
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rasterizer.setQuality(0.2);
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startTestRender(&renderer, "cloud_quality", i);
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}
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}
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static void testGodRays() {
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class TestLightFilter : public LightFilter {
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virtual bool applyLightFilter(LightComponent &light, const Vector3 &at) override {
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if (Vector3(0.0, 100.0, 0.0).sub(at).normalize().y > 0.97) {
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light.color = COLOR_BLACK;
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return false;
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} else {
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return true;
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}
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}
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};
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class TestRenderer : public SoftwareCanvasRenderer {
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public:
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TestRenderer(Scenery *scenery) : SoftwareCanvasRenderer(scenery) {
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}
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private:
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virtual void prepare() override {
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SoftwareRenderer::prepare();
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getLightingManager()->clearSources();
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getLightingManager()->addStaticLight(LightComponent(COLOR_WHITE, VECTOR_DOWN));
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getGodRaysSampler()->setAltitudes(0.0, 30.0);
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getGodRaysSampler()->reset();
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}
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};
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Scenery scenery;
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scenery.autoPreset(63);
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scenery.getAtmosphere()->setDayTime(12);
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scenery.getCamera()->setLocation(Vector3(0.0, 1.0, -50.0));
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scenery.getCamera()->setTarget(Vector3(0.0, 15.0, 0.0));
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scenery.getTerrain()->height = 0.0;
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scenery.getTerrain()->validate();
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scenery.getClouds()->clear();
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TestRenderer renderer(&scenery);
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renderer.setSize(500, 300);
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SkyRasterizer rasterizer(&renderer, renderer.getProgressHelper(), 0);
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renderer.setSoloRasterizer(&rasterizer);
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TestLightFilter filter;
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renderer.getLightingManager()->clearFilters();
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renderer.getLightingManager()->registerFilter(&filter);
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// quality
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for (int i = 0; i < 6; i++) {
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renderer.setQuality(to_double(i) / 5.0);
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rasterizer.setQuality(0.2);
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startTestRender(&renderer, "god_rays_quality", i);
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}
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renderer.setQuality(0.5);
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// penetration
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for (int i = 0; i < 3; i++) {
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scenery.getAtmosphere()->childGodRays()->propPenetration()->setValue(0.01 + 0.02 * to_double(i));
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startTestRender(&renderer, "god_rays_penetration", i);
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}
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// resistance
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scenery.getAtmosphere()->childGodRays()->propPenetration()->setValue(0.01);
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for (int i = 0; i < 3; i++) {
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scenery.getAtmosphere()->childGodRays()->propResistance()->setValue(0.1 + 0.1 * to_double(i));
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startTestRender(&renderer, "god_rays_resistance", i);
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}
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// boost
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scenery.getAtmosphere()->childGodRays()->propResistance()->setValue(0.3);
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for (int i = 0; i < 3; i++) {
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scenery.getAtmosphere()->childGodRays()->propBoost()->setValue(2.0 + 4.0 * to_double(i));
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startTestRender(&renderer, "god_rays_boost", i);
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}
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}
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static void testNearFrustum() {
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Scenery scenery;
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scenery.autoPreset(3);
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scenery.getClouds()->clear();
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scenery.getCamera()->setLocation(Vector3(0.0, 0.0, 0.0));
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scenery.getCamera()->setTarget(Vector3(1.0, 0.0, 1.0));
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scenery.getTerrain()->propWaterHeight()->setValue(5.0);
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scenery.keepCameraAboveGround(scenery.getCamera());
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SoftwareCanvasRenderer renderer(&scenery);
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renderer.setSize(400, 300);
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renderer.setQuality(0.1);
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renderer.enablePostprocess(false);
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startTestRender(&renderer, "near_frustum_good_raw");
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renderer.enablePostprocess(true);
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startTestRender(&renderer, "near_frustum_good");
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renderer.getWaterRasterizer()->setAutoCutLimit(1000.0);
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renderer.enablePostprocess(false);
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startTestRender(&renderer, "near_frustum_bad_raw");
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renderer.enablePostprocess(true);
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startTestRender(&renderer, "near_frustum_bad");
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}
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static void testCloudsNearGround() {
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Scenery scenery;
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scenery.autoPreset(8);
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scenery.getAtmosphere()->setDayTime(6, 20);
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SoftwareCanvasRenderer renderer(&scenery);
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renderer.setSize(400, 300);
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renderer.setQuality(0.3);
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startTestRender(&renderer, "clouds_near_ground", 1);
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scenery.getCamera()->strafeUp(6.0);
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scenery.getCamera()->copy(renderer.render_camera);
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startTestRender(&renderer, "clouds_near_ground", 2);
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}
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static void testAtmosphereBruneton() {
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Scenery scenery;
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scenery.getAtmosphere()->applyPreset(AtmosphereDefinition::ATMOSPHERE_PRESET_CLEAR_DAY);
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scenery.getCamera()->setTarget(Vector3(10.0, 1.0, 0.0));
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scenery.getCamera()->setLocation(Vector3(0.0, 1.0, 0.0));
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SoftwareCanvasRenderer renderer(&scenery);
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renderer.setSize(800, 400);
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renderer.getGodRaysSampler()->setEnabled(false);
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class TestRasterizer : public OverlayRasterizer {
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public:
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TestRasterizer(SoftwareCanvasRenderer *renderer)
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: OverlayRasterizer(renderer, renderer->getProgressHelper()), renderer(renderer) {
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}
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virtual Color processPixel(int, int, double relx, double rely) const override {
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if (rely > 0.0) {
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Vector3 dir = (relx < 0.0) ? Vector3(1.0, rely, relx + 1.0) : Vector3(-1.0, rely, relx - 1.0);
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auto result = renderer->getAtmosphereRenderer()->getSkyColor(dir);
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return result.final;
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} else {
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auto result = renderer->getAtmosphereRenderer()->applyAerialPerspective(
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Vector3(-relx * 400.0, (rely + 1.0) * 20.0, 0.0), COLOR_BLACK);
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return result.final;
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}
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}
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SoftwareCanvasRenderer *renderer;
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};
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TestRasterizer rasterizer(&renderer);
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renderer.setSoloRasterizer(&rasterizer);
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for (int i = 0; i <= 60; i++) {
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double daytime = (i < 40) ? (0.24 + 0.0005 * to_double(i)) : (0.26 + 0.005 * to_double(i - 40));
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scenery.getAtmosphere()->setDayTime(daytime);
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startTestRender(&renderer, "atmosphere_bruneton", i);
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}
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}
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static void testVegetationModels() {
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class InstanceRenderer : public SoftwareCanvasRenderer, public OverlayRasterizer, public LightFilter {
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public:
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InstanceRenderer(Scenery *scenery, const VegetationModelDefinition &model)
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: SoftwareCanvasRenderer(scenery), OverlayRasterizer(this, this->getProgressHelper()),
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instance(model, VECTOR_ZERO), vegetation(renderer->getVegetationRenderer()) {
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}
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virtual void prepare() override {
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SoftwareCanvasRenderer::prepare();
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getLightingManager()->clearFilters();
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getLightingManager()->registerFilter(this);
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// TODO Add filter for vegetation instance (for self shadows)
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}
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virtual Color applyMediumTraversal(const Vector3 &, const Color &color) override {
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return color;
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}
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virtual Color processPixel(int, int, double relx, double rely) const override {
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relx *= 0.75;
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rely *= 0.75;
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SpaceSegment segment(Vector3(relx, rely + 0.5, 5.0), Vector3(relx, rely + 0.5, -5.0));
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RayCastingResult result = vegetation->renderInstance(segment, instance, false, true);
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return result.hit ? result.hit_color : Color(0.6, 0.7, 0.9);
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}
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virtual bool applyLightFilter(LightComponent &light, const Vector3 &at) override {
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SpaceSegment segment(at, at.add(light.direction.scale(-5.0)));
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RayCastingResult result = vegetation->renderInstance(segment, instance, true, true);
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return not result.hit;
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}
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VegetationInstance instance;
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VegetationRenderer *vegetation;
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};
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Scenery scenery;
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scenery.autoPreset(1);
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scenery.getClouds()->clear();
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scenery.getCamera()->setTarget(VECTOR_ZERO);
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scenery.getCamera()->setLocation(Vector3(0.0, 0.0, 5.0));
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int width = 800;
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int height = 800;
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for (int i = 0; i < 10; i++) {
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// TODO Make random sequence repeatable
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VegetationModelDefinition model(NULL);
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InstanceRenderer renderer(&scenery, model);
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renderer.setSize(width, height);
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renderer.setSoloRasterizer(&renderer);
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startTestRender(&renderer, "vegetation_model_basic", i);
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}
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}
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static void testOpenGLVegetationImpostor() {
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for (int i = 0; i < 4; i++) {
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string filename = getFileName("opengl_vegetation_impostor", i);
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cout << "Rendering " << filename << "..." << endl;
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Scenery scenery;
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scenery.autoPreset(i);
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OpenGLVegetationImpostor impostor(128);
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VegetationModelDefinition model(NULL);
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bool interrupted = false;
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impostor.prepareTexture(model, scenery, &interrupted);
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impostor.getTexture()->saveToFile(filename);
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}
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}
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void runTestSuite() {
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testGroundShadowQuality();
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testRasterizationQuality();
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testCloudQuality();
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testGodRays();
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testNearFrustum();
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testCloudsNearGround();
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testAtmosphereBruneton();
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testVegetationModels();
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testOpenGLVegetationImpostor();
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}
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