Update android_main.cpp

buildscripts/patches/openmw/android_main.cpp

@@ -2,12 +2,20 @@
 int stderr = 0; // Hack: fix linker error
 #endif
 
-#include <SDL.h>
 #include "SDL_main.h"
 #include "engine.hpp"
+#include "mwbase/windowmanager.hpp"
+#include <SDL_gamecontroller.h>
+#include <SDL_mouse.h>
 #include <SDL_events.h>
 #include <SDL_hints.h>
 
+#include <osg/GraphicsContext>
+#include <osg/OperationThread>
+
+/*******************************************************************************
+ * Functions called by JNI
+ *******************************************************************************/
 #include <jni.h>
 
 /* Called before  to initialize JNI bindings  */
@@ -17,9 +25,87 @@ extern int argcData;
 extern const char **argvData;
 void releaseArgv();
 
+
+extern "C" int Java_org_libsdl_app_SDLActivity_getMouseX(JNIEnv *env, jclass cls, jobject obj) {
+    int ret = 0;
+    SDL_GetMouseState(&ret, nullptr);
+    return ret;
+}
+
+
+extern "C" int Java_org_libsdl_app_SDLActivity_getMouseY(JNIEnv *env, jclass cls, jobject obj) {
+    int ret = 0;
+    SDL_GetMouseState(nullptr, &ret);
+    return ret;
+}
+
+extern "C" int Java_org_libsdl_app_SDLActivity_isMouseShown(JNIEnv *env, jclass cls, jobject obj) {
+    return SDL_ShowCursor(SDL_QUERY);
+}
+
+extern SDL_Window *Android_Window;
+extern "C" int SDL_SendMouseMotion(SDL_Window * window, int mouseID, int relative, int x, int y);
+extern "C" void Java_org_libsdl_app_SDLActivity_sendRelativeMouseMotion(JNIEnv *env, jclass cls, int x, int y) {
+    SDL_SendMouseMotion(Android_Window, 0, 1, x, y);
+}
+
+extern "C" int SDL_SendMouseButton(SDL_Window * window, int mouseID, Uint8 state, Uint8 button);
+extern "C" void Java_org_libsdl_app_SDLActivity_sendMouseButton(JNIEnv *env, jclass cls, int state, int button) {
+    SDL_SendMouseButton(Android_Window, 0, state, button);
+}
+
 extern "C" int Java_org_libsdl_app_SDLActivity_nativeInit(JNIEnv* env, jclass cls, jobject obj) {
     setenv("OPENMW_DECOMPRESS_TEXTURES", "1", 1);
+
+    // On Android, we use a virtual controller with guid="Virtual"
+    SDL_GameControllerAddMapping("5669727475616c000000000000000000,Virtual,a:b0,b:b1,back:b15,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b16,leftshoulder:b6,leftstick:b13,lefttrigger:a5,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b14,righttrigger:a4,rightx:a2,righty:a3,start:b11,x:b3,y:b4");
+
     SDL_SetHint(SDL_HINT_ANDROID_BLOCK_ON_PAUSE, "0");
     SDL_SetHint(SDL_HINT_ORIENTATIONS, "LandscapeLeft LandscapeRight");
+
     return 0;
 }
+
+extern osg::ref_ptr<osgViewer::Viewer> g_viewer;
+static osg::GraphicsContext *ctx;
+
+class CtxReleaseOperation : public osg::Operation {
+public:
+    virtual void operator () (osg::Object* caller) {
+        ctx->releaseContext();
+    }
+};
+
+class CtxAcquireOperation : public osg::Operation {
+public:
+    virtual void operator () (osg::Object* caller) {
+        ctx->makeCurrent();
+    }
+};
+
+extern "C" void Java_org_libsdl_app_SDLActivity_omwSurfaceDestroyed(JNIEnv *env, jclass cls, jobject obj) {
+    if (!g_viewer)
+        return;
+
+    osg::ref_ptr<CtxReleaseOperation> op = new CtxReleaseOperation();
+    ctx = g_viewer->getCamera()->getGraphicsContext();
+    ctx->add(op);
+
+    auto win = (MWBase::WindowManager *)MWBase::Environment::get().getWindowManager();
+    if (win)
+        win->windowVisibilityChange(false);
+}
+
+extern "C" void Java_org_libsdl_app_SDLActivity_omwSurfaceRecreated(JNIEnv *env, jclass cls, jobject obj) {
+    if (!g_viewer)
+        return;
+
+    osg::ref_ptr<CtxAcquireOperation> op = new CtxAcquireOperation();
+    ctx = g_viewer->getCamera()->getGraphicsContext();
+    ctx->add(op);
+
+    auto win = (MWBase::WindowManager *)MWBase::Environment::get().getWindowManager();
+    if (win)
+        win->windowVisibilityChange(true);
+}
+