Fixed the buffer AGAIN, fixed the mesh so it accepts offsets, Impleme…

…nted the rest of the SpriteCacheTest :)

src/gdx-cpp/graphics/Mesh.cpp

@@ -182,7 +182,7 @@ void Mesh::render (int primitiveType,int offset,int count) {
             int oldLimit = buffer.limit();
             buffer.position(offset);
             buffer.limit(offset + count);
-            Gdx::gl10->glDrawElements(primitiveType, count, GL10::GL_UNSIGNED_SHORT, (void *) buffer);
+            Gdx::gl10->glDrawElements(primitiveType, count, GL10::GL_UNSIGNED_SHORT, (void *) ((char*)buffer + offset));
             buffer.position(oldPosition);
             buffer.limit(oldLimit);
         } else

src/gdx-cpp/utils/Buffer.hpp

@@ -250,7 +250,7 @@ struct buffer : public buffer_base {
             throw std::runtime_error("buffer overflow");
 
         T* casted_array = (T*) bf.get();
-        memcpy(casted_array, &src[offset], sizeof(T) * length);
+        memcpy(&casted_array[_position], &src[offset], sizeof(T) * length);
 
         _position += length;
 
@@ -271,7 +271,7 @@ struct buffer : public buffer_base {
             throw std::runtime_error("buffer overflow");
 
         T* casted_array = (T*) bf.get();
-        memcpy(casted_array, &src[offset], sizeof(T) * length);
+        memcpy(&casted_array[_position], &src[offset], sizeof(T) * length);
 
         _position += length;
 

src/tests/SpriteCacheTest.cpp

@@ -178,33 +178,36 @@ class SpriteCacheTest : public gdx_cpp::ApplicationListener, gdx_cpp::InputProce
     }
 
     bool keyDown(int keycode) {
+        return false;
     }
 
     bool keyTyped(char character) {
-
+        return false;
     }
 
     bool keyUp(int keycode) {
-
+        return false;
     }
 
     bool scrolled(int amount) {
+        return false;
     }
 
     bool touchDown(int x, int y, int pointer, int button) {
-
+        ++renderMethod %= 2;
+        return false;
     }
 
     bool touchDragged(int x, int y, int pointer) {
-
+        return false;
     }
 
     bool touchMoved(int x, int y) {
-
+        return false;
     }
 
     bool touchUp(int x, int y, int pointer, int button) {
-
+        return false;
     }
 
 protected: