Introduce filament-utils and Java bindings for camutils.
This library houses the KTX loader, camutils bindings, and a Kotlin math library. More will come later. Sample app is forthcoming.
This commit is contained in:
Philip Rideout
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android/filament-utils-android/src/main/cpp/Manipulator.cpp
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175
android/filament-utils-android/src/main/cpp/Manipulator.cpp
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/*
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* Copyright (C) 2020 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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#include <jni.h>
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#include <math/mat3.h>
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#include <math/vec3.h>
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#include <camutils/Manipulator.h>
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using namespace filament::camutils;
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using namespace filament::math;
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using Builder = Manipulator<float>::Builder;
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extern "C" JNIEXPORT jlong Java_com_google_android_filament_utils_Manipulator_nCreateBuilder(JNIEnv*, jclass) {
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return (jlong) new Builder {};
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nDestroyBuilder(JNIEnv*, jclass, jlong nativeBuilder) {
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Builder* builder = (Builder*) nativeBuilder;
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delete builder;
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderViewport(JNIEnv*, jclass, jlong nativeBuilder, jint width, jint height) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->viewport(width, height);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderTargetPosition(JNIEnv*, jclass, jlong nativeBuilder, jfloat x, jfloat y, jfloat z) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->targetPosition(x, y, z);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderUpVector(JNIEnv*, jclass, jlong nativeBuilder, jfloat x, jfloat y, jfloat z) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->upVector(x, y, z);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderZoomSpeed(JNIEnv*, jclass, jlong nativeBuilder, jfloat arg) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->zoomSpeed(arg);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderOrbitHomePosition(JNIEnv*, jclass, jlong nativeBuilder, jfloat x, jfloat y, jfloat z) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->orbitHomePosition(x, y, z);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderOrbitSpeed(JNIEnv*, jclass, jlong nativeBuilder, jfloat x, jfloat y) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->orbitSpeed(x, y);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderFovDirection(JNIEnv*, jclass, jlong nativeBuilder, jint arg) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->fovDirection((Fov) arg);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderFovDegrees(JNIEnv*, jclass, jlong nativeBuilder, jfloat arg) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->fovDegrees(arg);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderFarPlane(JNIEnv*, jclass, jlong nativeBuilder, jfloat distance) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->farPlane(distance);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderMapExtent(JNIEnv*, jclass, jlong nativeBuilder, jfloat width, jfloat height) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->mapExtent(width, height);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderMapMinDistance(JNIEnv*, jclass, jlong nativeBuilder, jfloat arg) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->mapMinDistance(arg);
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}
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extern "C" JNIEXPORT void Java_com_google_android_filament_utils_Manipulator_nBuilderGroundPlane(JNIEnv*, jclass, jlong nativeBuilder, jfloat a, jfloat b, jfloat c, jfloat d) {
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Builder* builder = (Builder*) nativeBuilder;
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builder->groundPlane(a, b, c, d);
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}
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extern "C" JNIEXPORT long Java_com_google_android_filament_utils_Manipulator_nBuilderBuild(JNIEnv*, jclass, jlong nativeBuilder, jint mode) {
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Builder* builder = (Builder*) nativeBuilder;
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return (jlong) builder->build((Mode) mode);
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}
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extern "C" JNIEXPORT void JNICALL
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Java_com_google_android_filament_utils_Manipulator_nDestroyManipulator(JNIEnv*, jclass, jlong nativeManip) {
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auto manip = (Manipulator<float>*) nativeManip;
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delete manip;
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}
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extern "C" JNIEXPORT jint JNICALL Java_com_google_android_filament_utils_Manipulator_nGetMode(JNIEnv*, jclass, jlong nativeManip) {
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auto manip = (Manipulator<float>*) nativeManip;
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return (int) manip->getMode();
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}
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extern "C" JNIEXPORT void JNICALL Java_com_google_android_filament_utils_Manipulator_nSetViewport(JNIEnv*, jclass, jlong nativeManip, jint width, jint height) {
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auto manip = (Manipulator<float>*) nativeManip;
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manip->setViewport(width, height);
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}
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extern "C" JNIEXPORT void JNICALL Java_com_google_android_filament_utils_Manipulator_nGetLookAt(JNIEnv* env, jclass, jlong nativeManip, jfloatArray eyePosition, jfloatArray targetPosition, jfloatArray upward) {
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auto manip = (Manipulator<float>*) nativeManip;
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jfloat *eye = env->GetFloatArrayElements(eyePosition, NULL);
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jfloat *target = env->GetFloatArrayElements(targetPosition, NULL);
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jfloat *up = env->GetFloatArrayElements(upward, NULL);
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manip->getLookAt((float3*) eye, (float3*) target, (float3*) up);
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env->ReleaseFloatArrayElements(eyePosition, eye, 0);
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env->ReleaseFloatArrayElements(targetPosition, target, 0);
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env->ReleaseFloatArrayElements(upward, up, 0);
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}
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extern "C" JNIEXPORT void JNICALL Java_com_google_android_filament_utils_Manipulator_nRaycast(JNIEnv* env, jclass, jlong nativeManip, jint x, jint y, jfloatArray result) {
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auto manip = (Manipulator<float>*) nativeManip;
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jfloat *presult = env->GetFloatArrayElements(result, NULL);
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manip->raycast(x, y, (float3*) presult);
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env->ReleaseFloatArrayElements(result, presult, 0);
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}
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extern "C" JNIEXPORT void JNICALL Java_com_google_android_filament_utils_Manipulator_nGrabBegin(JNIEnv*, jclass, jlong nativeManip, jint x, jint y, jboolean strafe) {
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auto manip = (Manipulator<float>*) nativeManip;
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manip->grabBegin(x, y, (bool) strafe);
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}
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extern "C" JNIEXPORT void JNICALL Java_com_google_android_filament_utils_Manipulator_nGrabUpdate(JNIEnv*, jclass, jlong nativeManip, jint x, jint y) {
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auto manip = (Manipulator<float>*) nativeManip;
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manip->grabUpdate(x, y);
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}
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extern "C" JNIEXPORT void JNICALL Java_com_google_android_filament_utils_Manipulator_nGrabEnd(JNIEnv*, jclass, jlong nativeManip) {
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auto manip = (Manipulator<float>*) nativeManip;
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manip->grabEnd();
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}
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extern "C" JNIEXPORT void JNICALL Java_com_google_android_filament_utils_Manipulator_nZoom(JNIEnv*, jclass, jlong nativeManip, jint x, jint y, jfloat scrolldelta) {
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auto manip = (Manipulator<float>*) nativeManip;
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manip->zoom(x, y, scrolldelta);
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}
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extern "C" JNIEXPORT jlong JNICALL Java_com_google_android_filament_utils_Manipulator_nGetCurrentBookmark(JNIEnv*, jclass, jlong nativeManip) {
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auto manip = (Manipulator<float>*) nativeManip;
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return (jlong) new Bookmark<float>(manip->getCurrentBookmark());
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}
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extern "C" JNIEXPORT jlong JNICALL Java_com_google_android_filament_utils_Manipulator_nGetHomeBookmark(JNIEnv*, jclass, jlong nativeManip) {
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auto manip = (Manipulator<float>*) nativeManip;
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return (jlong) new Bookmark<float>(manip->getHomeBookmark());
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}
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extern "C" JNIEXPORT void JNICALL Java_com_google_android_filament_utils_Manipulator_nJumpToBookmark(JNIEnv*, jclass, jlong nativeManip, jlong nativeBookmark) {
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auto manip = (Manipulator<float>*) nativeManip;
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auto bookmark = (Bookmark<float>*) nativeBookmark;
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manip->jumpToBookmark(*bookmark);
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}
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