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Diffstat (limited to 'backends/platform/android/android.cpp')
| -rw-r--r-- | backends/platform/android/android.cpp | 1413 |
1 files changed, 1413 insertions, 0 deletions
diff --git a/backends/platform/android/android.cpp b/backends/platform/android/android.cpp new file mode 100644 index 0000000000..76590ec823 --- /dev/null +++ b/backends/platform/android/android.cpp @@ -0,0 +1,1413 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#include "backends/base-backend.h" +#include "base/main.h" +#include "graphics/surface.h" + +#include "backends/platform/android/video.h" + +#if defined(ANDROID_BACKEND) + +#define ANDROID_VERSION_GE(major,minor) \ + (ANDROID_MAJOR_VERSION > (major) || \ + (ANDROID_MAJOR_VERSION == (major) && ANDROID_MINOR_VERSION >= (minor))) + +#include <jni.h> + +#include <string.h> +#include <unistd.h> +#include <pthread.h> +#include <sys/time.h> +#include <time.h> + +#include <GLES/gl.h> +#include <GLES/glext.h> +#include <EGL/egl.h> +#include <android/log.h> + +#include "common/archive.h" +#include "common/util.h" +#include "common/rect.h" +#include "common/queue.h" +#include "common/mutex.h" +#include "common/events.h" +#include "common/config-manager.h" + +#include "backends/fs/posix/posix-fs-factory.h" +#include "backends/keymapper/keymapper.h" +#include "backends/saves/default/default-saves.h" +#include "backends/timer/default/default-timer.h" +#include "backends/plugins/posix/posix-provider.h" +#include "sound/mixer_intern.h" + +#include "backends/platform/android/asset-archive.h" + +#undef LOG_TAG +#define LOG_TAG "ScummVM" + +#if 0 +#define ENTER(args...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, args) +#else +#define ENTER(args...) /**/ +#endif + +// Fix JNIEXPORT declaration to actually do something useful +#undef JNIEXPORT +#define JNIEXPORT __attribute__ ((visibility("default"))) + +static JavaVM *cached_jvm; +static jfieldID FID_Event_type; +static jfieldID FID_Event_synthetic; +static jfieldID FID_Event_kbd_keycode; +static jfieldID FID_Event_kbd_ascii; +static jfieldID FID_Event_kbd_flags; +static jfieldID FID_Event_mouse_x; +static jfieldID FID_Event_mouse_y; +static jfieldID FID_Event_mouse_relative; +static jfieldID FID_ScummVM_nativeScummVM; +static jmethodID MID_Object_wait; + +JNIEnv* JNU_GetEnv() { + JNIEnv* env; + bool version_unsupported = + cached_jvm->GetEnv((void**)&env, JNI_VERSION_1_2); + assert(! version_unsupported); + return env; +} + +static void JNU_ThrowByName(JNIEnv* env, const char* name, const char* msg) { + jclass cls = env->FindClass(name); + // if cls is NULL, an exception has already been thrown + if (cls != NULL) + env->ThrowNew(cls, msg); + env->DeleteLocalRef(cls); +} + +// floating point. use sparingly. +template <class T> +static inline T scalef(T in, float numerator, float denominator) { + return static_cast<float>(in) * numerator / denominator; +} + +static inline GLfixed xdiv(int numerator, int denominator) { + assert(numerator < (1<<16)); + return (numerator << 16) / denominator; +} + +#ifdef DYNAMIC_MODULES +class AndroidPluginProvider : public POSIXPluginProvider { +protected: + virtual void addCustomDirectories(Common::FSList &dirs) const; +}; +#endif + + +#if 0 +#define CHECK_GL_ERROR() checkGlError(__FILE__, __LINE__) +static const char* getGlErrStr(GLenum error) { + switch (error) { + case GL_NO_ERROR: return "GL_NO_ERROR"; + case GL_INVALID_ENUM: return "GL_INVALID_ENUM"; + case GL_INVALID_OPERATION: return "GL_INVALID_OPERATION"; + case GL_STACK_OVERFLOW: return "GL_STACK_OVERFLOW"; + case GL_STACK_UNDERFLOW: return "GL_STACK_UNDERFLOW"; + case GL_OUT_OF_MEMORY: return "GL_OUT_OF_MEMORY"; + } + + static char buf[40]; + snprintf(buf, sizeof(buf), "(Unknown GL error code 0x%x)", error); + return buf; +} +static void checkGlError(const char* file, int line) { + GLenum error = glGetError(); + if (error != GL_NO_ERROR) + warning("%s:%d: GL error: %s", file, line, getGlErrStr(error)); +} +#else +#define CHECK_GL_ERROR() do {} while (false) +#endif + +class OSystem_Android : public BaseBackend { +private: + jobject _back_ptr; // back pointer to (java) peer instance + jmethodID MID_displayMessageOnOSD; + jmethodID MID_setWindowCaption; + jmethodID MID_initBackend; + jmethodID MID_audioSampleRate; + jmethodID MID_showVirtualKeyboard; + jmethodID MID_getSysArchives; + jmethodID MID_getPluginDirectories; + jmethodID MID_setupScummVMSurface; + jmethodID MID_destroyScummVMSurface; + + int _screen_changeid; + EGLDisplay _egl_display; + EGLSurface _egl_surface; + EGLint _egl_surface_width; + EGLint _egl_surface_height; + + bool _force_redraw; + + // Game layer + GLESPaletteTexture* _game_texture; + int _shake_offset; + bool _full_screen_dirty; + Common::Array<Common::Rect> _dirty_rects; + + // Overlay layer + GLES4444Texture* _overlay_texture; + bool _show_overlay; + + // Mouse layer + GLESPaletteATexture* _mouse_texture; + Common::Point _mouse_hotspot; + int _mouse_targetscale; + bool _show_mouse; + bool _use_mouse_palette; + + Common::Queue<Common::Event> _event_queue; + MutexRef _event_queue_lock; + + bool _timer_thread_exit; + pthread_t _timer_thread; + static void* timerThreadFunc(void* arg); + + bool _virtkeybd_on; + + Common::SaveFileManager *_savefile; + Audio::MixerImpl *_mixer; + Common::TimerManager *_timer; + FilesystemFactory *_fsFactory; + Common::Archive *_asset_archive; + timeval _startTime; + + void setupScummVMSurface(); + void destroyScummVMSurface(); + void setupKeymapper(); + void _setCursorPalette(const byte *colors, uint start, uint num); + +public: + OSystem_Android(jobject am); + virtual ~OSystem_Android(); + bool initJavaHooks(JNIEnv* env, jobject self); + + static OSystem_Android* fromJavaObject(JNIEnv* env, jobject obj); + virtual void initBackend(); + void addPluginDirectories(Common::FSList &dirs) const; + + virtual bool hasFeature(Feature f); + virtual void setFeatureState(Feature f, bool enable); + virtual bool getFeatureState(Feature f); + virtual const GraphicsMode *getSupportedGraphicsModes() const; + virtual int getDefaultGraphicsMode() const; + bool setGraphicsMode(const char *name); + virtual bool setGraphicsMode(int mode); + virtual int getGraphicsMode() const; + virtual void initSize(uint width, uint height, + const Graphics::PixelFormat *format); + virtual int getScreenChangeID() const { return _screen_changeid; } + virtual int16 getHeight(); + virtual int16 getWidth(); + virtual void setPalette(const byte *colors, uint start, uint num); + virtual void grabPalette(byte *colors, uint start, uint num); + virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h); + virtual void updateScreen(); + virtual Graphics::Surface *lockScreen(); + virtual void unlockScreen(); + virtual void setShakePos(int shakeOffset); + virtual void fillScreen(uint32 col); + virtual void setFocusRectangle(const Common::Rect& rect); + virtual void clearFocusRectangle(); + + virtual void showOverlay(); + virtual void hideOverlay(); + virtual void clearOverlay(); + virtual void grabOverlay(OverlayColor *buf, int pitch); + virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h); + virtual int16 getOverlayHeight(); + virtual int16 getOverlayWidth(); + virtual Graphics::PixelFormat getOverlayFormat() const { + // RGBA 4444 + Graphics::PixelFormat format; + format.bytesPerPixel = 2; + format.rLoss = 8 - 4; + format.gLoss = 8 - 4; + format.bLoss = 8 - 4; + format.aLoss = 8 - 4; + format.rShift = 3*4; + format.gShift = 2*4; + format.bShift = 1*4; + format.aShift = 0*4; + return format; + } + + virtual bool showMouse(bool visible); + + virtual void warpMouse(int x, int y); + virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int cursorTargetScale, const Graphics::PixelFormat *format); + virtual void setCursorPalette(const byte *colors, uint start, uint num); + virtual void disableCursorPalette(bool disable); + + virtual bool pollEvent(Common::Event &event); + void pushEvent(const Common::Event& event); + virtual uint32 getMillis(); + virtual void delayMillis(uint msecs); + + virtual MutexRef createMutex(void); + virtual void lockMutex(MutexRef mutex); + virtual void unlockMutex(MutexRef mutex); + virtual void deleteMutex(MutexRef mutex); + + virtual void quit(); + + virtual void setWindowCaption(const char *caption); + virtual void displayMessageOnOSD(const char *msg); + virtual void showVirtualKeyboard(bool enable); + + virtual Common::SaveFileManager *getSavefileManager(); + virtual Audio::Mixer *getMixer(); + virtual void getTimeAndDate(TimeDate &t) const; + virtual Common::TimerManager *getTimerManager(); + virtual FilesystemFactory *getFilesystemFactory(); + virtual void addSysArchivesToSearchSet(Common::SearchSet &s, int priority = 0); +}; + +OSystem_Android::OSystem_Android(jobject am) + : _back_ptr(0), + _egl_display(EGL_NO_DISPLAY), + _egl_surface(EGL_NO_SURFACE), + _screen_changeid(0), + _force_redraw(false), + _game_texture(NULL), + _overlay_texture(NULL), + _mouse_texture(NULL), + _use_mouse_palette(false), + _show_mouse(false), + _show_overlay(false), + _savefile(0), + _mixer(0), + _timer(0), + _fsFactory(new POSIXFilesystemFactory()), + _asset_archive(new AndroidAssetArchive(am)), + _shake_offset(0), + _full_screen_dirty(false), + _event_queue_lock(createMutex()) { +} + +OSystem_Android::~OSystem_Android() { + ENTER("~OSystem_Android()"); + delete _game_texture; + delete _overlay_texture; + delete _mouse_texture; + destroyScummVMSurface(); + JNIEnv* env = JNU_GetEnv(); + //env->DeleteWeakGlobalRef(_back_ptr); + env->DeleteGlobalRef(_back_ptr); + delete _savefile; + delete _mixer; + delete _timer; + delete _fsFactory; + delete _asset_archive; + deleteMutex(_event_queue_lock); +} + +OSystem_Android* OSystem_Android::fromJavaObject(JNIEnv* env, jobject obj) { + jlong peer = env->GetLongField(obj, FID_ScummVM_nativeScummVM); + return (OSystem_Android*)peer; +} + +bool OSystem_Android::initJavaHooks(JNIEnv* env, jobject self) { + // weak global ref to allow class to be unloaded + // ... except dalvik doesn't implement NewWeakGlobalRef (yet) + //_back_ptr = env->NewWeakGlobalRef(self); + _back_ptr = env->NewGlobalRef(self); + + jclass cls = env->GetObjectClass(_back_ptr); + +#define FIND_METHOD(name, signature) do { \ + MID_ ## name = env->GetMethodID(cls, #name, signature); \ + if (MID_ ## name == NULL) \ + return false; \ + } while (0) + + FIND_METHOD(setWindowCaption, "(Ljava/lang/String;)V"); + FIND_METHOD(displayMessageOnOSD, "(Ljava/lang/String;)V"); + FIND_METHOD(initBackend, "()V"); + FIND_METHOD(audioSampleRate, "()I"); + FIND_METHOD(showVirtualKeyboard, "(Z)V"); + FIND_METHOD(getSysArchives, "()[Ljava/lang/String;"); + FIND_METHOD(getPluginDirectories, "()[Ljava/lang/String;"); + FIND_METHOD(setupScummVMSurface, "()V"); + FIND_METHOD(destroyScummVMSurface, "()V"); + +#undef FIND_METHOD + + return true; +} + +static void ScummVM_create(JNIEnv* env, jobject self, jobject am) { + OSystem_Android* cpp_obj = new OSystem_Android(am); + if (!cpp_obj->initJavaHooks(env, self)) + // Exception already thrown by initJavaHooks + return; + + env->SetLongField(self, FID_ScummVM_nativeScummVM, (jlong)cpp_obj); + +#ifdef DYNAMIC_MODULES + PluginManager::instance().addPluginProvider(new AndroidPluginProvider()); +#endif +} + +static void ScummVM_nativeDestroy(JNIEnv* env, jobject self) { + OSystem_Android* cpp_obj = OSystem_Android::fromJavaObject(env, self); + delete cpp_obj; +} + +static void ScummVM_audioMixCallback(JNIEnv* env, jobject self, + jbyteArray jbuf) { + OSystem_Android* cpp_obj = OSystem_Android::fromJavaObject(env, self); + jsize len = env->GetArrayLength(jbuf); + jbyte* buf = env->GetByteArrayElements(jbuf, NULL); + if (buf == NULL) { + warning("Unable to get Java audio byte array. Skipping."); + return; + } + Audio::MixerImpl* mixer = + static_cast<Audio::MixerImpl*>(cpp_obj->getMixer()); + assert(mixer); + mixer->mixCallback(reinterpret_cast<byte*>(buf), len); + env->ReleaseByteArrayElements(jbuf, buf, 0); +} + +static void ScummVM_setConfManInt(JNIEnv* env, jclass cls, + jstring key_obj, jint value) { + ENTER("setConfManInt(%p, %d)", key_obj, (int)value); + const char* key = env->GetStringUTFChars(key_obj, NULL); + if (key == NULL) + return; + ConfMan.setInt(key, value); + env->ReleaseStringUTFChars(key_obj, key); +} + +static void ScummVM_setConfManString(JNIEnv* env, jclass cls, jstring key_obj, + jstring value_obj) { + ENTER("setConfManStr(%p, %p)", key_obj, value_obj); + const char* key = env->GetStringUTFChars(key_obj, NULL); + if (key == NULL) + return; + const char* value = env->GetStringUTFChars(value_obj, NULL); + if (value == NULL) { + env->ReleaseStringUTFChars(key_obj, key); + return; + } + ConfMan.set(key, value); + env->ReleaseStringUTFChars(value_obj, value); + env->ReleaseStringUTFChars(key_obj, key); +} + +void* OSystem_Android::timerThreadFunc(void* arg) { + OSystem_Android* system = (OSystem_Android*)arg; + DefaultTimerManager* timer = (DefaultTimerManager*)(system->_timer); + + struct timespec tv; + tv.tv_sec = 0; + tv.tv_nsec = 100 * 1000 * 1000; // 100ms + + while (!system->_timer_thread_exit) { + timer->handler(); + nanosleep(&tv, NULL); + } + + return NULL; +} + +void OSystem_Android::initBackend() { + ENTER("initBackend()"); + JNIEnv* env = JNU_GetEnv(); + + ConfMan.setInt("autosave_period", 0); + ConfMan.setInt("FM_medium_quality", true); + + // must happen before creating TimerManager to avoid race in + // creating EventManager + setupKeymapper(); + + // BUG: "transient" ConfMan settings get nuked by the options + // screen. Passing the savepath in this way makes it stick + // (via ConfMan.registerDefault) + _savefile = new DefaultSaveFileManager(ConfMan.get("savepath")); + _timer = new DefaultTimerManager(); + + gettimeofday(&_startTime, NULL); + + jint sample_rate = env->CallIntMethod(_back_ptr, MID_audioSampleRate); + if (env->ExceptionCheck()) { + warning("Error finding audio sample rate - assuming 11025HZ"); + env->ExceptionDescribe(); + env->ExceptionClear(); + sample_rate = 11025; + } + _mixer = new Audio::MixerImpl(this, sample_rate); + _mixer->setReady(true); + + env->CallVoidMethod(_back_ptr, MID_initBackend); + if (env->ExceptionCheck()) { + error("Error in Java initBackend"); + env->ExceptionDescribe(); + env->ExceptionClear(); + } + + _timer_thread_exit = false; + pthread_create(&_timer_thread, NULL, timerThreadFunc, this); + + OSystem::initBackend(); + + setupScummVMSurface(); +} + +void OSystem_Android::addPluginDirectories(Common::FSList &dirs) const { + ENTER("OSystem_Android::addPluginDirectories()"); + JNIEnv* env = JNU_GetEnv(); + + jobjectArray array = + (jobjectArray)env->CallObjectMethod(_back_ptr, MID_getPluginDirectories); + if (env->ExceptionCheck()) { + warning("Error finding plugin directories"); + env->ExceptionDescribe(); + env->ExceptionClear(); + return; + } + + jsize size = env->GetArrayLength(array); + for (jsize i = 0; i < size; ++i) { + jstring path_obj = (jstring)env->GetObjectArrayElement(array, i); + if (path_obj == NULL) + continue; + const char* path = env->GetStringUTFChars(path_obj, NULL); + if (path == NULL) { + warning("Error getting string characters from plugin directory"); + env->ExceptionClear(); + env->DeleteLocalRef(path_obj); + continue; + } + dirs.push_back(Common::FSNode(path)); + env->ReleaseStringUTFChars(path_obj, path); + env->DeleteLocalRef(path_obj); + } +} + +bool OSystem_Android::hasFeature(Feature f) { + return (f == kFeatureCursorHasPalette || + f == kFeatureVirtualKeyboard || + f == kFeatureOverlaySupportsAlpha); +} + +void OSystem_Android::setFeatureState(Feature f, bool enable) { + ENTER("setFeatureState(%d, %d)", f, enable); + switch (f) { + case kFeatureVirtualKeyboard: + _virtkeybd_on = enable; + showVirtualKeyboard(enable); + break; + default: + break; + } +} + +bool OSystem_Android::getFeatureState(Feature f) { + switch (f) { + case kFeatureVirtualKeyboard: + return _virtkeybd_on; + default: + return false; + } +} + +const OSystem::GraphicsMode* OSystem_Android::getSupportedGraphicsModes() const { + static const OSystem::GraphicsMode s_supportedGraphicsModes[] = { + {"default", "Default", 1}, + {0, 0, 0}, + }; + return s_supportedGraphicsModes; +} + + +int OSystem_Android::getDefaultGraphicsMode() const { + return 1; +} + +bool OSystem_Android::setGraphicsMode(const char *mode) { + ENTER("setGraphicsMode(%s)", mode); + return true; +} + +bool OSystem_Android::setGraphicsMode(int mode) { + ENTER("setGraphicsMode(%d)", mode); + return true; +} + +int OSystem_Android::getGraphicsMode() const { + return 1; +} + +void OSystem_Android::setupScummVMSurface() { + JNIEnv* env = JNU_GetEnv(); + env->CallVoidMethod(_back_ptr, MID_setupScummVMSurface); + if (env->ExceptionCheck()) + return; + + // EGL set up with a new surface. Initialise OpenGLES context. + + _egl_display = eglGetCurrentDisplay(); + _egl_surface = eglGetCurrentSurface(EGL_DRAW); + + static bool log_version = true; + if (log_version) { + __android_log_print(ANDROID_LOG_INFO, LOG_TAG, + "Using EGL %s (%s); GL %s/%s (%s)", + eglQueryString(_egl_display, EGL_VERSION), + eglQueryString(_egl_display, EGL_VENDOR), + glGetString(GL_VERSION), + glGetString(GL_RENDERER), + glGetString(GL_VENDOR)); + log_version = false; // only log this once + } + + GLESTexture::initGLExtensions(); + + if (!eglQuerySurface(_egl_display, _egl_surface, + EGL_WIDTH, &_egl_surface_width) || + !eglQuerySurface(_egl_display, _egl_surface, + EGL_HEIGHT, &_egl_surface_height)) { + JNU_ThrowByName(env, "java/lang/RuntimeException", + "Error fetching EGL surface width/height"); + return; + } + __android_log_print(ANDROID_LOG_INFO, LOG_TAG, + "New surface is %dx%d", + _egl_surface_width, _egl_surface_height); + + CHECK_GL_ERROR(); + + // Turn off anything that looks like 3D ;) + glDisable(GL_CULL_FACE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_LIGHTING); + glDisable(GL_FOG); + glDisable(GL_DITHER); + glShadeModel(GL_FLAT); + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST); + + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + glEnableClientState(GL_VERTEX_ARRAY); + glEnableClientState(GL_TEXTURE_COORD_ARRAY); + + glEnable(GL_TEXTURE_2D); + + if (!_game_texture) + _game_texture = new GLESPaletteTexture(); + else + _game_texture->reinitGL(); + + if (!_overlay_texture) + _overlay_texture = new GLES4444Texture(); + else + _overlay_texture->reinitGL(); + + if (!_mouse_texture) + _mouse_texture = new GLESPaletteATexture(); + else + _mouse_texture->reinitGL(); + + glViewport(0, 0, _egl_surface_width, _egl_surface_height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrthof(0, _egl_surface_width, _egl_surface_height, 0, -1, 1); + + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + + CHECK_GL_ERROR(); + + _force_redraw = true; +} + +void OSystem_Android::destroyScummVMSurface() { + _egl_surface = EGL_NO_SURFACE; + JNIEnv* env = JNU_GetEnv(); + env->CallVoidMethod(_back_ptr, MID_destroyScummVMSurface); + // Can't use OpenGLES functions after this +} + +void OSystem_Android::initSize(uint width, uint height, + const Graphics::PixelFormat *format) { + ENTER("initSize(%d,%d,%p)", width, height, format); + + _game_texture->allocBuffer(width, height); + + // Cap at 320x200 or the ScummVM themes abort :/ + GLuint overlay_width = MIN(_egl_surface_width, 320); + GLuint overlay_height = MIN(_egl_surface_height, 200); + _overlay_texture->allocBuffer(overlay_width, overlay_height); + + // Don't know mouse size yet - it gets reallocated in + // setMouseCursor. We need the palette allocated before + // setMouseCursor however, so just take a guess at the desired + // size (it's small). + _mouse_texture->allocBuffer(20, 20); +} + +int16 OSystem_Android::getHeight() { + return _game_texture->height(); +} + +int16 OSystem_Android::getWidth() { + return _game_texture->width(); +} + +void OSystem_Android::setPalette(const byte* colors, uint start, uint num) { + ENTER("setPalette(%p, %u, %u)", colors, start, num); + + if (!_use_mouse_palette) + _setCursorPalette(colors, start, num); + + byte* palette = _game_texture->palette() + start*3; + do { + for (int i = 0; i < 3; ++i) + palette[i] = colors[i]; + palette += 3; + colors += 4; + } while (--num); +} + +void OSystem_Android::grabPalette(byte *colors, uint start, uint num) { + ENTER("grabPalette(%p, %u, %u)", colors, start, num); + const byte* palette = _game_texture->palette_const() + start*3; + do { + for (int i = 0; i < 3; ++i) + colors[i] = palette[i]; + colors[3] = 0xff; // alpha + + palette += 3; + colors += 4; + } while (--num); +} + +void OSystem_Android::copyRectToScreen(const byte *buf, int pitch, + int x, int y, int w, int h) { + ENTER("copyRectToScreen(%p, %d, %d, %d, %d, %d)", + buf, pitch, x, y, w, h); + + _game_texture->updateBuffer(x, y, w, h, buf, pitch); +} + +void OSystem_Android::updateScreen() { + //ENTER("updateScreen()"); + + if (!_force_redraw && + !_game_texture->dirty() && + !_overlay_texture->dirty() && + !_mouse_texture->dirty()) + return; + + _force_redraw = false; + + glPushMatrix(); + + if (_shake_offset != 0) { + // This is the only case where _game_texture doesn't + // cover the entire screen. + glClearColorx(0, 0, 0, 1 << 16); + glClear(GL_COLOR_BUFFER_BIT); + + // Move everything up by _shake_offset (game) pixels + glTranslatex(0, -_shake_offset << 16, 0); + } + + _game_texture->drawTexture(0, 0, + _egl_surface_width, _egl_surface_height); + + CHECK_GL_ERROR(); + + if (_show_overlay) { + _overlay_texture->drawTexture(0, 0, + _egl_surface_width, + _egl_surface_height); + CHECK_GL_ERROR(); + } + + if (_show_mouse) { + glPushMatrix(); + + glTranslatex(-_mouse_hotspot.x << 16, + -_mouse_hotspot.y << 16, + 0); + + // Scale up ScummVM -> OpenGL (pixel) coordinates + int texwidth, texheight; + if (_show_overlay) { + texwidth = getOverlayWidth(); + texheight = getOverlayHeight(); + } else { + texwidth = getWidth(); + texheight = getHeight(); + } + glScalex(xdiv(_egl_surface_width, texwidth), + xdiv(_egl_surface_height, texheight), + 1 << 16); + + // Note the extra half texel to position the mouse in + // the middle of the x,y square: + const Common::Point& mouse = getEventManager()->getMousePos(); + glTranslatex((mouse.x << 16) | 1 << 15, + (mouse.y << 16) | 1 << 15, 0); + + // Mouse targetscale just seems to make the cursor way + // too big :/ + //glScalex(_mouse_targetscale << 16, _mouse_targetscale << 16, + // 1 << 16); + + _mouse_texture->drawTexture(); + + glPopMatrix(); + } + + glPopMatrix(); + + CHECK_GL_ERROR(); + + if (!eglSwapBuffers(_egl_display, _egl_surface)) { + EGLint error = eglGetError(); + warning("eglSwapBuffers exited with error 0x%x", error); + // Some errors mean we need to reinit GL + if (error == EGL_CONTEXT_LOST) { + destroyScummVMSurface(); + setupScummVMSurface(); + } + } +} + +Graphics::Surface *OSystem_Android::lockScreen() { + ENTER("lockScreen()"); + Graphics::Surface* surface = _game_texture->surface(); + assert(surface->pixels); + return surface; +} + +void OSystem_Android::unlockScreen() { + ENTER("unlockScreen()"); + assert(_game_texture->dirty()); +} + +void OSystem_Android::setShakePos(int shake_offset) { + ENTER("setShakePos(%d)", shake_offset); + if (_shake_offset != shake_offset) { + _shake_offset = shake_offset; + _force_redraw = true; + } +} + +void OSystem_Android::fillScreen(uint32 col) { + ENTER("fillScreen(%u)", col); + assert(col < 256); + _game_texture->fillBuffer(col); +} + +void OSystem_Android::setFocusRectangle(const Common::Rect& rect) { + ENTER("setFocusRectangle(%d,%d,%d,%d)", + rect.left, rect.top, rect.right, rect.bottom); +#if 0 + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrthof(rect.left, rect.right, rect.top, rect.bottom, 0, 1); + glMatrixMode(GL_MODELVIEW); + + _force_redraw = true; +#endif +} + +void OSystem_Android::clearFocusRectangle() { + ENTER("clearFocusRectangle()"); +#if 0 + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrthof(0, _egl_surface_width, _egl_surface_height, 0, -1, 1); + glMatrixMode(GL_MODELVIEW); + + _force_redraw = true; +#endif +} + +void OSystem_Android::showOverlay() { + ENTER("showOverlay()"); + _show_overlay = true; + _force_redraw = true; +} + +void OSystem_Android::hideOverlay() { + ENTER("hideOverlay()"); + _show_overlay = false; + _force_redraw = true; +} + +void OSystem_Android::clearOverlay() { + ENTER("clearOverlay()"); + _overlay_texture->fillBuffer(0); +} + +void OSystem_Android::grabOverlay(OverlayColor *buf, int pitch) { + ENTER("grabOverlay(%p, %d)", buf, pitch); + // We support overlay alpha blending, so the pixel data here + // shouldn't actually be used. Let's fill it with zeros, I'm sure + // it will be fine... + const Graphics::Surface* surface = _overlay_texture->surface_const(); + assert(surface->bytesPerPixel == sizeof(buf[0])); + int h = surface->h; + do { + memset(buf, 0, surface->w * sizeof(buf[0])); + buf += pitch; // This 'pitch' is pixels not bytes + } while (--h); +} + +void OSystem_Android::copyRectToOverlay(const OverlayColor *buf, int pitch, + int x, int y, int w, int h) { + ENTER("copyRectToOverlay(%p, %d, %d, %d, %d, %d)", + buf, pitch, x, y, w, h); + const Graphics::Surface* surface = _overlay_texture->surface_const(); + assert(surface->bytesPerPixel == sizeof(buf[0])); + + // This 'pitch' is pixels not bytes + _overlay_texture->updateBuffer(x, y, w, h, buf, pitch * sizeof(buf[0])); +} + +int16 OSystem_Android::getOverlayHeight() { + return _overlay_texture->height(); +} + +int16 OSystem_Android::getOverlayWidth() { + return _overlay_texture->width(); +} + +bool OSystem_Android::showMouse(bool visible) { + ENTER("showMouse(%d)", visible); + _show_mouse = visible; + return true; +} + +void OSystem_Android::warpMouse(int x, int y) { + ENTER("warpMouse(%d, %d)", x, y); + // We use only the eventmanager's idea of the current mouse + // position, so there is nothing extra to do here. +} + +void OSystem_Android::setMouseCursor(const byte *buf, uint w, uint h, + int hotspotX, int hotspotY, + uint32 keycolor, int cursorTargetScale, + const Graphics::PixelFormat *format) { + ENTER("setMouseCursor(%p, %u, %u, %d, %d, %d, %d, %p)", + buf, w, h, hotspotX, hotspotY, (int)keycolor, cursorTargetScale, + format); + + assert(keycolor < 256); + + _mouse_texture->allocBuffer(w, h); + + // Update palette alpha based on keycolor + byte* palette = _mouse_texture->palette(); + int i = 256; + do { + palette[3] = 0xff; + palette += 4; + } while (--i); + palette = _mouse_texture->palette(); + palette[keycolor*4 + 3] = 0x00; + _mouse_texture->updateBuffer(0, 0, w, h, buf, w); + + _mouse_hotspot = Common::Point(hotspotX, hotspotY); + _mouse_targetscale = cursorTargetScale; +} + +void OSystem_Android::_setCursorPalette(const byte *colors, + uint start, uint num) { + byte* palette = _mouse_texture->palette() + start*4; + do { + for (int i = 0; i < 3; ++i) + palette[i] = colors[i]; + // Leave alpha untouched to preserve keycolor + + palette += 4; + colors += 4; + } while (--num); +} + +void OSystem_Android::setCursorPalette(const byte *colors, + uint start, uint num) { + ENTER("setCursorPalette(%p, %u, %u)", colors, start, num); + _setCursorPalette(colors, start, num); + _use_mouse_palette = true; +} + +void OSystem_Android::disableCursorPalette(bool disable) { + ENTER("disableCursorPalette(%d)", disable); + _use_mouse_palette = !disable; +} + +void OSystem_Android::setupKeymapper() { +#ifdef ENABLE_KEYMAPPER + using namespace Common; + + Keymapper *mapper = getEventManager()->getKeymapper(); + + HardwareKeySet *keySet = new HardwareKeySet(); + keySet->addHardwareKey( + new HardwareKey("n", KeyState(KEYCODE_n), "n (vk)", + kTriggerLeftKeyType, + kVirtualKeyboardActionType)); + mapper->registerHardwareKeySet(keySet); + + Keymap *globalMap = new Keymap("global"); + Action *act; + + act = new Action(globalMap, "VIRT", "Display keyboard", + kVirtualKeyboardActionType); + act->addKeyEvent(KeyState(KEYCODE_F7, ASCII_F7, 0)); + + mapper->addGlobalKeymap(globalMap); + + mapper->pushKeymap("global"); +#endif +} + +bool OSystem_Android::pollEvent(Common::Event &event) { + //ENTER("pollEvent()"); + lockMutex(_event_queue_lock); + if (_event_queue.empty()) { + unlockMutex(_event_queue_lock); + return false; + } + event = _event_queue.pop(); + unlockMutex(_event_queue_lock); + + switch (event.type) { + case Common::EVENT_MOUSEMOVE: + // TODO: only dirty/redraw move bounds + _force_redraw = true; + // fallthrough + case Common::EVENT_LBUTTONDOWN: + case Common::EVENT_LBUTTONUP: + case Common::EVENT_RBUTTONDOWN: + case Common::EVENT_RBUTTONUP: + case Common::EVENT_WHEELUP: + case Common::EVENT_WHEELDOWN: + case Common::EVENT_MBUTTONDOWN: + case Common::EVENT_MBUTTONUP: { + if (event.kbd.flags == 1) { // relative mouse hack + // Relative (trackball) mouse hack. + const Common::Point& mouse_pos = + getEventManager()->getMousePos(); + event.mouse.x += mouse_pos.x; + event.mouse.y += mouse_pos.y; + event.mouse.x = CLIP(event.mouse.x, (int16)0, _show_overlay ? + getOverlayWidth() : getWidth()); + event.mouse.y = CLIP(event.mouse.y, (int16)0, _show_overlay ? + getOverlayHeight() : getHeight()); + } else { + // Touchscreen events need to be converted + // from device to game coords first. + const GLESTexture* tex = _show_overlay + ? static_cast<GLESTexture*>(_overlay_texture) + : static_cast<GLESTexture*>(_game_texture); + event.mouse.x = scalef(event.mouse.x, tex->width(), + _egl_surface_width); + event.mouse.y = scalef(event.mouse.y, tex->height(), + _egl_surface_height); + event.mouse.x -= _shake_offset; + } + break; + } + case Common::EVENT_SCREEN_CHANGED: + debug("EVENT_SCREEN_CHANGED"); + _screen_changeid++; + destroyScummVMSurface(); + setupScummVMSurface(); + break; + default: + break; + } + + return true; +} + +void OSystem_Android::pushEvent(const Common::Event& event) { + lockMutex(_event_queue_lock); + + // Try to combine multiple queued mouse move events + if (event.type == Common::EVENT_MOUSEMOVE && + !_event_queue.empty() && + _event_queue.back().type == Common::EVENT_MOUSEMOVE) { + Common::Event tail = _event_queue.back(); + if (event.kbd.flags) { + // relative movement hack + tail.mouse.x += event.mouse.x; + tail.mouse.y += event.mouse.y; + } else { + // absolute position + tail.kbd.flags = 0; // clear relative flag + tail.mouse.x = event.mouse.x; + tail.mouse.y = event.mouse.y; + } + } + else + _event_queue.push(event); + + unlockMutex(_event_queue_lock); +} + +static void ScummVM_pushEvent(JNIEnv* env, jobject self, jobject java_event) { + OSystem_Android* cpp_obj = OSystem_Android::fromJavaObject(env, self); + + Common::Event event; + event.type = (Common::EventType)env->GetIntField(java_event, + FID_Event_type); + event.synthetic = + env->GetBooleanField(java_event, FID_Event_synthetic); + + switch (event.type) { + case Common::EVENT_KEYDOWN: + case Common::EVENT_KEYUP: + event.kbd.keycode = (Common::KeyCode)env->GetIntField( + java_event, FID_Event_kbd_keycode); + event.kbd.ascii = static_cast<int>(env->GetIntField( + java_event, FID_Event_kbd_ascii)); + event.kbd.flags = static_cast<int>(env->GetIntField( + java_event, FID_Event_kbd_flags)); + break; + case Common::EVENT_MOUSEMOVE: + case Common::EVENT_LBUTTONDOWN: + case Common::EVENT_LBUTTONUP: + case Common::EVENT_RBUTTONDOWN: + case Common::EVENT_RBUTTONUP: + case Common::EVENT_WHEELUP: + case Common::EVENT_WHEELDOWN: + case Common::EVENT_MBUTTONDOWN: + case Common::EVENT_MBUTTONUP: + event.mouse.x = + env->GetIntField(java_event, FID_Event_mouse_x); + event.mouse.y = + env->GetIntField(java_event, FID_Event_mouse_y); + // This is a terrible hack. We stash "relativeness" + // in the kbd.flags field until pollEvent() can work + // it out. + event.kbd.flags = env->GetBooleanField( + java_event, FID_Event_mouse_relative) ? 1 : 0; + break; + default: + break; + } + + cpp_obj->pushEvent(event); +} + +uint32 OSystem_Android::getMillis() { + timeval curTime; + gettimeofday(&curTime, NULL); + return (uint32)(((curTime.tv_sec - _startTime.tv_sec) * 1000) + \ + ((curTime.tv_usec - _startTime.tv_usec) / 1000)); +} + +void OSystem_Android::delayMillis(uint msecs) { + usleep(msecs * 1000); +} + +OSystem::MutexRef OSystem_Android::createMutex() { + pthread_mutexattr_t attr; + pthread_mutexattr_init(&attr); + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); + + pthread_mutex_t *mutex = new pthread_mutex_t; + if (pthread_mutex_init(mutex, &attr) != 0) { + warning("pthread_mutex_init() failed!"); + delete mutex; + return NULL; + } + return (MutexRef)mutex; +} + +void OSystem_Android::lockMutex(MutexRef mutex) { + if (pthread_mutex_lock((pthread_mutex_t*)mutex) != 0) + warning("pthread_mutex_lock() failed!"); +} + +void OSystem_Android::unlockMutex(MutexRef mutex) { + if (pthread_mutex_unlock((pthread_mutex_t*)mutex) != 0) + warning("pthread_mutex_unlock() failed!"); +} + +void OSystem_Android::deleteMutex(MutexRef mutex) { + pthread_mutex_t* m = (pthread_mutex_t*)mutex; + if (pthread_mutex_destroy(m) != 0) + warning("pthread_mutex_destroy() failed!"); + else + delete m; +} + +void OSystem_Android::quit() { + ENTER("quit()"); + + _timer_thread_exit = true; + pthread_join(_timer_thread, NULL); +} + +void OSystem_Android::setWindowCaption(const char *caption) { + ENTER("setWindowCaption(%s)", caption); + JNIEnv* env = JNU_GetEnv(); + jstring java_caption = env->NewStringUTF(caption); + env->CallVoidMethod(_back_ptr, MID_setWindowCaption, java_caption); + if (env->ExceptionCheck()) { + warning("Failed to set window caption"); + env->ExceptionDescribe(); + env->ExceptionClear(); + } + env->DeleteLocalRef(java_caption); +} + +void OSystem_Android::displayMessageOnOSD(const char *msg) { + ENTER("displayMessageOnOSD(%s)", msg); + JNIEnv* env = JNU_GetEnv(); + jstring java_msg = env->NewStringUTF(msg); + env->CallVoidMethod(_back_ptr, MID_displayMessageOnOSD, java_msg); + if (env->ExceptionCheck()) { + warning("Failed to display OSD message"); + env->ExceptionDescribe(); + env->ExceptionClear(); + } + env->DeleteLocalRef(java_msg); +} + +void OSystem_Android::showVirtualKeyboard(bool enable) { + ENTER("showVirtualKeyboard(%d)", enable); + JNIEnv* env = JNU_GetEnv(); + env->CallVoidMethod(_back_ptr, MID_showVirtualKeyboard, enable); + if (env->ExceptionCheck()) { + error("Error trying to show virtual keyboard"); + env->ExceptionDescribe(); + env->ExceptionClear(); + } +} + +Common::SaveFileManager *OSystem_Android::getSavefileManager() { + assert(_savefile); + return _savefile; +} + +Audio::Mixer *OSystem_Android::getMixer() { + assert(_mixer); + return _mixer; +} + +Common::TimerManager *OSystem_Android::getTimerManager() { + assert(_timer); + return _timer; +} + +void OSystem_Android::getTimeAndDate(TimeDate &td) const { + struct tm tm; + const time_t curTime = time(NULL); + localtime_r(&curTime, &tm); + td.tm_sec = tm.tm_sec; + td.tm_min = tm.tm_min; + td.tm_hour = tm.tm_hour; + td.tm_mday = tm.tm_mday; + td.tm_mon = tm.tm_mon; + td.tm_year = tm.tm_year; +} + +FilesystemFactory *OSystem_Android::getFilesystemFactory() { + return _fsFactory; +} + +void OSystem_Android::addSysArchivesToSearchSet(Common::SearchSet &s, + int priority) { + s.add("ASSET", _asset_archive, priority, false); + + JNIEnv* env = JNU_GetEnv(); + + jobjectArray array = + (jobjectArray)env->CallObjectMethod(_back_ptr, MID_getSysArchives); + if (env->ExceptionCheck()) { + warning("Error finding system archive path"); + env->ExceptionDescribe(); + env->ExceptionClear(); + return; + } + + jsize size = env->GetArrayLength(array); + for (jsize i = 0; i < size; ++i) { + jstring path_obj = (jstring)env->GetObjectArrayElement(array, i); + const char* path = env->GetStringUTFChars(path_obj, NULL); + if (path != NULL) { + s.addDirectory(path, path, priority); + env->ReleaseStringUTFChars(path_obj, path); + } + env->DeleteLocalRef(path_obj); + } +} + + +static jint ScummVM_scummVMMain(JNIEnv* env, jobject self, jobjectArray args) { + OSystem_Android* cpp_obj = OSystem_Android::fromJavaObject(env, self); + + const int MAX_NARGS = 32; + int res = -1; + + int argc = env->GetArrayLength(args); + if (argc > MAX_NARGS) { + JNU_ThrowByName(env, "java/lang/IllegalArgumentException", + "too many arguments"); + return 0; + } + + char* argv[MAX_NARGS]; + int nargs; // note use in cleanup loop below + for (nargs = 0; nargs < argc; ++nargs) { + jstring arg = (jstring)env->GetObjectArrayElement(args, nargs); + if (arg == NULL) { + argv[nargs] = NULL; + } else { + const char* cstr = env->GetStringUTFChars(arg, NULL); + argv[nargs] = const_cast<char*>(cstr); + if (cstr == NULL) + goto cleanup; // exception already thrown + } + env->DeleteLocalRef(arg); + } + + g_system = cpp_obj; + assert(g_system); + __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, + "Entering scummvm_main with %d args", argc); + res = scummvm_main(argc, argv); + __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, "Exiting scummvm_main"); + g_system->quit(); + +cleanup: + nargs--; + for (int i = 0; i < nargs; ++i) { + if (argv[i] == NULL) + continue; + jstring arg = (jstring)env->GetObjectArrayElement(args, nargs); + if (arg == NULL) + // Exception already thrown + return res; + env->ReleaseStringUTFChars(arg, argv[i]); + env->DeleteLocalRef(arg); + } + + return res; +} + +#ifdef DYNAMIC_MODULES +void AndroidPluginProvider::addCustomDirectories(Common::FSList &dirs) const { + OSystem_Android* g_system_android = (OSystem_Android*)g_system; + g_system_android->addPluginDirectories(dirs); +} +#endif + +const static JNINativeMethod gMethods[] = { + { "create", "(Landroid/content/res/AssetManager;)V", + (void*)ScummVM_create }, + { "nativeDestroy", "()V", (void*)ScummVM_nativeDestroy }, + { "scummVMMain", "([Ljava/lang/String;)I", + (void*)ScummVM_scummVMMain }, + { "pushEvent", "(Lorg/inodes/gus/scummvm/Event;)V", + (void*)ScummVM_pushEvent }, + { "audioMixCallback", "([B)V", + (void*)ScummVM_audioMixCallback }, + { "setConfMan", "(Ljava/lang/String;I)V", + (void*)ScummVM_setConfManInt }, + { "setConfMan", "(Ljava/lang/String;Ljava/lang/String;)V", + (void*)ScummVM_setConfManString }, +}; + +JNIEXPORT jint JNICALL +JNI_OnLoad(JavaVM* jvm, void* reserved) { + cached_jvm = jvm; + + JNIEnv* env; + if (jvm->GetEnv((void**)&env, JNI_VERSION_1_2)) + return JNI_ERR; + + jclass cls = env->FindClass("org/inodes/gus/scummvm/ScummVM"); + if (cls == NULL) + return JNI_ERR; + if (env->RegisterNatives(cls, gMethods, ARRAYSIZE(gMethods)) < 0) + return JNI_ERR; + + FID_ScummVM_nativeScummVM = env->GetFieldID(cls, "nativeScummVM", "J"); + if (FID_ScummVM_nativeScummVM == NULL) + return JNI_ERR; + + jclass event = env->FindClass("org/inodes/gus/scummvm/Event"); + if (event == NULL) + return JNI_ERR; + FID_Event_type = env->GetFieldID(event, "type", "I"); + if (FID_Event_type == NULL) + return JNI_ERR; + FID_Event_synthetic = env->GetFieldID(event, "synthetic", "Z"); + if (FID_Event_synthetic == NULL) + return JNI_ERR; + FID_Event_kbd_keycode = env->GetFieldID(event, "kbd_keycode", "I"); + if (FID_Event_kbd_keycode == NULL) + return JNI_ERR; + FID_Event_kbd_ascii = env->GetFieldID(event, "kbd_ascii", "I"); + if (FID_Event_kbd_ascii == NULL) + return JNI_ERR; + FID_Event_kbd_flags = env->GetFieldID(event, "kbd_flags", "I"); + if (FID_Event_kbd_flags == NULL) + return JNI_ERR; + FID_Event_mouse_x = env->GetFieldID(event, "mouse_x", "I"); + if (FID_Event_mouse_x == NULL) + return JNI_ERR; + FID_Event_mouse_y = env->GetFieldID(event, "mouse_y", "I"); + if (FID_Event_mouse_y == NULL) + return JNI_ERR; + FID_Event_mouse_relative = env->GetFieldID(event, "mouse_relative", "Z"); + if (FID_Event_mouse_relative == NULL) + return JNI_ERR; + + cls = env->FindClass("java/lang/Object"); + if (cls == NULL) + return JNI_ERR; + MID_Object_wait = env->GetMethodID(cls, "wait", "()V"); + if (MID_Object_wait == NULL) + return JNI_ERR; + + return JNI_VERSION_1_2; +} + +#endif |