184 lines
7.9 KiB
C++
184 lines
7.9 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef TNT_FILAMENT_SAMPLES_MATERIAL_SANDBOX_H
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#define TNT_FILAMENT_SAMPLES_MATERIAL_SANDBOX_H
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#include <filament/Color.h>
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#include <filament/Engine.h>
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#include <filament/LightManager.h>
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#include <filament/Material.h>
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#include <filament/MaterialInstance.h>
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#include <utils/Entity.h>
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#include <utils/EntityManager.h>
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#include <math/vec3.h>
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#include "generated/resources/resources.h"
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constexpr uint8_t MATERIAL_MODEL_UNLIT = 0;
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constexpr uint8_t MATERIAL_MODEL_LIT = 1;
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constexpr uint8_t MATERIAL_MODEL_SUBSURFACE = 2;
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constexpr uint8_t MATERIAL_MODEL_CLOTH = 3;
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constexpr uint8_t MATERIAL_UNLIT = 0;
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constexpr uint8_t MATERIAL_LIT = 1;
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constexpr uint8_t MATERIAL_SUBSURFACE = 2;
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constexpr uint8_t MATERIAL_CLOTH = 3;
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constexpr uint8_t MATERIAL_TRANSPARENT = 4;
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constexpr uint8_t MATERIAL_FADE = 5;
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constexpr uint8_t MATERIAL_COUNT = 6;
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constexpr uint8_t BLENDING_OPAQUE = 0;
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constexpr uint8_t BLENDING_TRANSPARENT = 1;
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constexpr uint8_t BLENDING_FADE = 2;
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struct SandboxParameters {
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const filament::Material* material[MATERIAL_COUNT];
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filament::MaterialInstance* materialInstance[MATERIAL_COUNT];
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filament::sRGBColor color = {0.69f, 0.69f, 0.69f};
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float alpha = 1.0f;
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float roughness = 0.6f;
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float metallic = 0.0f;
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float reflectance = 0.5f;
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float clearCoat = 0.0f;
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float clearCoatRoughness = 0.0f;
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float anisotropy = 0.0f;
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float thickness = 1.0f;
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float subsurfacePower = 12.234f;
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filament::sRGBColor subsurfaceColor = {0.0f};
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filament::sRGBColor sheenColor = {0.83f, 0.0f, 0.0f};
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int currentMaterialModel = MATERIAL_MODEL_LIT;
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int currentBlending = BLENDING_OPAQUE;
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bool castShadows = true;
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filament::sRGBColor lightColor = {0.98f, 0.92f, 0.89f};
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float lightIntensity = 110000.0f;
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math::float3 lightDirection = {0.6f, -1.0f, -0.8f};
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float iblIntensity = 30000.0f;
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float iblRotation = 0.0f;
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float sunHaloSize = 10.0f;
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float sunHaloFalloff = 80.0f;
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float sunAngularRadius = 1.9f;
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bool directionalLightEnabled = true;
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utils::Entity light;
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bool hasDirectionalLight = true;
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};
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inline void createInstances(SandboxParameters& params, filament::Engine& engine) {
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using namespace filament;
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using namespace utils;
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params.material[MATERIAL_UNLIT] = Material::Builder()
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.package(RESOURCES_SANDBOXUNLIT_DATA, RESOURCES_SANDBOXUNLIT_SIZE)
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.build(engine);
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params.materialInstance[MATERIAL_UNLIT] =
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params.material[MATERIAL_UNLIT]->createInstance();
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params.material[MATERIAL_LIT] = Material::Builder()
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.package(RESOURCES_SANDBOXLIT_DATA, RESOURCES_SANDBOXLIT_SIZE)
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.build(engine);
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params.materialInstance[MATERIAL_LIT] =
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params.material[MATERIAL_LIT]->createInstance();
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params.material[MATERIAL_TRANSPARENT] = Material::Builder()
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.package(RESOURCES_SANDBOXLITTRANSPARENT_DATA, RESOURCES_SANDBOXLITTRANSPARENT_SIZE)
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.build(engine);
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params.materialInstance[MATERIAL_TRANSPARENT] =
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params.material[MATERIAL_TRANSPARENT]->createInstance();
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params.material[MATERIAL_FADE] = Material::Builder()
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.package(RESOURCES_SANDBOXLITFADE_DATA, RESOURCES_SANDBOXLITFADE_SIZE)
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.build(engine);
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params.materialInstance[MATERIAL_FADE] =
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params.material[MATERIAL_FADE]->createInstance();
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params.material[MATERIAL_SUBSURFACE] = Material::Builder()
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.package(RESOURCES_SANDBOXSUBSURFACE_DATA, RESOURCES_SANDBOXSUBSURFACE_SIZE)
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.build(engine);
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params.materialInstance[MATERIAL_SUBSURFACE] =
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params.material[MATERIAL_SUBSURFACE]->createInstance();
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params.material[MATERIAL_CLOTH] = Material::Builder()
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.package(RESOURCES_SANDBOXCLOTH_DATA, RESOURCES_SANDBOXCLOTH_SIZE)
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.build(engine);
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params.materialInstance[MATERIAL_CLOTH] =
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params.material[MATERIAL_CLOTH]->createInstance();
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params.light = EntityManager::get().create();
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LightManager::Builder(LightManager::Type::SUN)
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.color(Color::toLinear<ACCURATE>(params.lightColor))
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.intensity(params.lightIntensity)
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.direction(params.lightDirection)
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.castShadows(true)
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.sunAngularRadius(params.sunAngularRadius)
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.sunHaloSize(params.sunHaloSize)
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.sunHaloFalloff(params.sunHaloFalloff)
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.build(engine, params.light);
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}
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inline filament::MaterialInstance* updateInstances(SandboxParameters& params,
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filament::Engine& engine) {
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using namespace filament;
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int material = params.currentMaterialModel;
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if (material == MATERIAL_MODEL_LIT) {
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if (params.currentBlending == BLENDING_TRANSPARENT) material = MATERIAL_TRANSPARENT;
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if (params.currentBlending == BLENDING_FADE) material = MATERIAL_FADE;
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}
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MaterialInstance* materialInstance = params.materialInstance[material];
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if (params.currentMaterialModel == MATERIAL_MODEL_UNLIT) {
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materialInstance->setParameter("baseColor", RgbType::sRGB, params.color);
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}
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if (params.currentMaterialModel == MATERIAL_MODEL_LIT) {
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materialInstance->setParameter("baseColor", RgbType::sRGB, params.color);
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materialInstance->setParameter("roughness", params.roughness);
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materialInstance->setParameter("metallic", params.metallic);
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materialInstance->setParameter("reflectance", params.reflectance);
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materialInstance->setParameter("clearCoat", params.clearCoat);
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materialInstance->setParameter("clearCoatRoughness", params.clearCoatRoughness);
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materialInstance->setParameter("anisotropy", params.anisotropy);
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if (params.currentBlending != BLENDING_OPAQUE) {
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materialInstance->setParameter("alpha", params.alpha);
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}
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}
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if (params.currentMaterialModel == MATERIAL_MODEL_SUBSURFACE) {
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materialInstance->setParameter("baseColor", RgbType::sRGB, params.color);
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materialInstance->setParameter("roughness", params.roughness);
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materialInstance->setParameter("metallic", params.metallic);
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materialInstance->setParameter("reflectance", params.reflectance);
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materialInstance->setParameter("thickness", params.thickness);
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materialInstance->setParameter("subsurfacePower", params.subsurfacePower);
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materialInstance->setParameter("subsurfaceColor", RgbType::sRGB, params.subsurfaceColor);
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}
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if (params.currentMaterialModel == MATERIAL_MODEL_CLOTH) {
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materialInstance->setParameter("baseColor", RgbType::sRGB, params.color);
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materialInstance->setParameter("roughness", params.roughness);
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materialInstance->setParameter("sheenColor", RgbType::sRGB, params.sheenColor);
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materialInstance->setParameter("subsurfaceColor", RgbType::sRGB, params.subsurfaceColor);
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}
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auto& lcm = engine.getLightManager();
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auto lightInstance = lcm.getInstance(params.light);
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lcm.setColor(lightInstance, params.lightColor);
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lcm.setIntensity(lightInstance, params.lightIntensity);
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lcm.setDirection(lightInstance, params.lightDirection);
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lcm.setSunAngularRadius(lightInstance, params.sunAngularRadius);
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lcm.setSunHaloSize(lightInstance, params.sunHaloSize);
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lcm.setSunHaloFalloff(lightInstance, params.sunHaloFalloff);
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return materialInstance;
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}
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#endif // TNT_FILAMENT_SAMPLES_MATERIAL_SANDBOX_H
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