static jboolean Emulator_loadROM(JNIEnv *env, jobject self, jstring jfile)
{
unloadROM(env, self);
const char *file = env->GetStringUTFChars(jfile, NULL);
jboolean rv = JNI_FALSE;
currentGame = engine->loadRom(file);
if (currentGame == NULL)
goto error;
gameSpeed = 1.0f;
media->audioCreate(env,
currentGame->soundRate,
currentGame->soundBits,
currentGame->soundChannels);
memset(trackballEvents, 0, sizeof(trackballEvents));
resumeEmulator();
rv = JNI_TRUE;
error:
env->ReleaseStringUTFChars(jfile, file);
return rv;
}
static void
Emulator_setRenderSurface(JNIEnv *env, jobject self,
jobject surface, int width, int height)
{
pauseEmulator();
if (renderSurface != NULL) {
delete[] screen16;
screen16 = NULL;
env->DeleteGlobalRef(jImage);
jImage = NULL;
env->DeleteGlobalRef(renderSurface);
renderSurface = NULL;
}
if (surface != NULL) {
surfaceWidth = width;
surfaceHeight = height;
screen16 = new unsigned short[width * height];
jImage = env->NewIntArray(width * height);
jImage = (jintArray) env->NewGlobalRef(jImage);
renderSurface = env->NewGlobalRef(surface);
jclass cls = env->GetObjectClass(surface);
jSendImageMethod = env->GetMethodID(cls, "onImageUpdate", "([I)V");
resumeEmulator();
}
}
static void Cheats_nativeRemove(JNIEnv *env, jobject self, jstring jcode)
{
const char *code = env->GetStringUTFChars(jcode, NULL);
pauseEmulator(env, self);
engine->removeCheat(code);
resumeEmulator();
env->ReleaseStringUTFChars(jcode, code);
}
static jboolean Emulator_loadState(JNIEnv *env, jobject self, jstring jfile)
{
const char *file = env->GetStringUTFChars(jfile, NULL);
pauseEmulator();
jboolean rv = engine->loadState(file);
resumeEmulator();
env->ReleaseStringUTFChars(jfile, file);
return rv;
}
static jboolean Cheats_nativeAdd(JNIEnv *env, jobject self, jstring jcode)
{
const char *code = env->GetStringUTFChars(jcode, NULL);
pauseEmulator(env, self);
jboolean rv = engine->addCheat(code);
resumeEmulator();
env->ReleaseStringUTFChars(jcode, code);
return rv;
}
static void
Emulator_setSurfaceRegion(JNIEnv *env, jobject self,
int x, int y, int w, int h)
{
pauseEmulator(env, self);
media->setSurfaceRegion(env, x, y, w, h);
surfaceReady = true;
resumeEmulator();
}
static void
Emulator_setFrameUpdateListener(JNIEnv *env, jobject self, jobject listener)
{
pauseEmulator(env, self);
if (jFrameUpdateListener != NULL)
env->DeleteGlobalRef(jFrameUpdateListener);
jFrameUpdateListener = env->NewGlobalRef(listener);
resumeEmulator();
}
static void Emulator_getScreenshot(JNIEnv *env, jobject self, jobject jbuffer)
{
pauseEmulator(env, self);
EmuEngine::Surface surface;
surface.bits = env->GetDirectBufferAddress(jbuffer);
surface.w = currentGame->videoWidth;
surface.h = currentGame->videoHeight;
surface.bpr = surface.w * 2;
engine->renderFrame(surface);
resumeEmulator();
}
static jboolean Emulator_loadROM(JNIEnv *env, jobject self, jstring jfile)
{
unloadROM();
const char *file = env->GetStringUTFChars(jfile, NULL);
jboolean rv = JNI_FALSE;
currentGame = engine->loadRom(file);
if (currentGame == NULL)
goto error;
if (audioPlayer != NULL) {
audioPlayer->init(
currentGame->soundRate,
currentGame->soundBits,
currentGame->soundChannels);
}
resumeEmulator();
rv = JNI_TRUE;
error:
env->ReleaseStringUTFChars(jfile, file);
return rv;
}
static void Emulator_resume(JNIEnv *env, jobject self)
{
resumeRequested = true;
resumeEmulator();
}
static void Emulator_power(JNIEnv *env, jobject self)
{
pauseEmulator();
engine->power();
resumeEmulator();
}
static void Emulator_reset(JNIEnv *env, jobject self)
{
pauseEmulator();
engine->reset();
resumeEmulator();
}
