axmol/cocos2dx/platform/android/Cocos2dJni.cpp

/****************************************************************************
Copyright (c) 2010 cocos2d-x.org

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "Cocos2dJni.h"
#include "NSSet.h"
#include "CCDirector.h"
#include "CCTouch.h"
#include "CCTouchDispatcher.h"
#include "CCXFileUtils.h"
#include "platform/android/CCXUIAccelerometer_android.h"
#include <android/log.h>

#define  LOG_TAG    "Cocos2dJni"
#define  LOGD(...)  __android_log_print(ANDROID_LOG_DEBUG,LOG_TAG,__VA_ARGS__)

extern "C"
{
	static cocos2d::CCTouch s_touch;
	static cocos2d::NSSet s_set;

	// handle accelerometer changes

	void Java_org_cocos2dx_lib_Cocos2dxAccelerometer_onSensorChanged(JNIEnv*  env, jobject thiz, jfloat x, jfloat y, jfloat z, jlong timeStamp)
	{
		// We need to invert to make it compatible with iOS.
		cocos2d::UIAccelerometer::sharedAccelerometer()->update(x, y, z, timeStamp);
	}

	// handle touch event
	
	void Java_org_cocos2dx_lib_Cocos2dxRenderer_nativeTouchesBegin(JNIEnv*  env, jobject thiz, jfloat x, jfloat y)
	{
		s_touch.SetTouchInfo(0, x, y);
		s_set.addObject(&s_touch);
		cocos2d::CCDirector::sharedDirector()->getOpenGLView()->getDelegate()->touchesBegan(&s_set, NULL);
	}
	
	void Java_org_cocos2dx_lib_Cocos2dxRenderer_nativeTouchesEnd(JNIEnv*  env, jobject thiz, jfloat x, jfloat y)
	{
		s_touch.SetTouchInfo(0, x, y);
		cocos2d::CCDirector::sharedDirector()->getOpenGLView()->getDelegate()->touchesEnded(&s_set, NULL);
		s_set.removeObject(&s_touch);
	}
	
	void Java_org_cocos2dx_lib_Cocos2dxRenderer_nativeTouchesMove(JNIEnv*  env, jobject thiz, jfloat x, jfloat y)
	{
		s_touch.SetTouchInfo(0, x, y);
		cocos2d::CCDirector::sharedDirector()->getOpenGLView()->getDelegate()->touchesMoved(&s_set, NULL);
	}
	
	void Java_org_cocos2dx_lib_Cocos2dxRenderer_nativeTouchesCancel(JNIEnv*  env, jobject thiz, jfloat x, jfloat y)
	{
		s_touch.SetTouchInfo(0, x, y);
		cocos2d::CCDirector::sharedDirector()->getOpenGLView()->getDelegate()->touchesCancelled(&s_set, NULL);
		s_set.removeObject(&s_touch);
	}

    void Java_org_cocos2dx_lib_Cocos2dxActivity_nativeSetPaths(JNIEnv*  env, jobject thiz, jstring apkPath)
    {
        const char* str;
        jboolean isCopy;
        str = env->GetStringUTFChars(apkPath, &isCopy);
        if (isCopy) {
            cocos2d::CCFileUtils::setResourcePath(str);
            env->ReleaseStringUTFChars(apkPath, str);
        }
    }
	
	// record the java vm
	
	JavaVM *gJavaVM = NULL;
	jclass classOfCocos2dxActivity = 0;
	JNIEnv *env = 0;

	jint JNI_OnLoad(JavaVM *vm, void *reserved)
	{
		gJavaVM = vm;
		return JNI_VERSION_1_4;
	}

	static jmethodID getMethodID(const char *methodName, const char *paramCode)
	{
		jmethodID ret = 0;

		// get jni environment and java class for Cocos2dxActivity
		if (gJavaVM->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK)
		{
			LOGD("Failed to get the environment using GetEnv()");
			return 0;
		}

		if (gJavaVM->AttachCurrentThread(&env, 0) < 0)
		{
			LOGD("Failed to get the environment using AttachCurrentThread()");
			return 0;
		}

		classOfCocos2dxActivity = env->FindClass("org/cocos2dx/lib/Cocos2dxActivity");
		if (! classOfCocos2dxActivity)
		{
			LOGD("Failed to find class of org/cocos2dx/lib/Cocos2dxActivity");
			return 0;
		}

		if (env != 0 && classOfCocos2dxActivity != 0)
		{
			ret = env->GetStaticMethodID(classOfCocos2dxActivity, methodName, paramCode);
		}

		if (! ret)
		{
			LOGD("get method id of %s error", methodName);
		}

		return ret;
	}

	void enableAccelerometerJNI()
	{
		// void stopBackgroundMusic()
		jmethodID methodID = getMethodID("enableAccelerometer", "()V");

		if (methodID)
		{
			env->CallStaticVoidMethod(classOfCocos2dxActivity, methodID);
		}
	}

	void disableAccelerometerJNI()
	{
		// void stopBackgroundMusic()
		jmethodID methodID = getMethodID("disableAccelerometer", "()V");

		if (methodID)
		{
			env->CallStaticVoidMethod(classOfCocos2dxActivity, methodID);
		}
	}

	// native renderer

	void Java_org_cocos2dx_lib_Cocos2dxRenderer_nativeRender(JNIEnv* env)
	{
		cocos2d::CCDirector::sharedDirector()->mainLoop();
	}
}