add loader

add schema
new loader model using xml
separated work and load data
validation using schema
map data in xml
new core model... proecting

aliendefender.pro

@@ -6,7 +6,8 @@ HEADERS += base_types.h \
     splashes.h \
     adcore.h \
     player.h \
-    settreader.h
+    settreader.h \
+    loader.h
 SOURCES += map.cpp \
     game_data.cpp \
     aliens.cpp \
@@ -15,8 +16,18 @@ SOURCES += map.cpp \
     splashes.cpp \
     adcore.cpp \
     player.cpp \
-    settreader.cpp
+    settreader.cpp \
+    loader.cpp
 RESOURCES += images.qrc
 OTHER_FILES += map.conf \
     example16x16.map \
-    example16x12.map
+    example16x12.map \
+    data.xml \
+    schema.xml \
+    example16x16_64.map
+QT += core \
+    gui \
+    network \
+    opengl \
+    xml \
+    xmlpatterns