Add fire mario mode

mario/blocks.cpp

@@ -45,7 +45,7 @@ void MarioBlock::visit(SDLPP::Visitor &visitor) {
     if (visitor.getFromId() == MARIO_TOP_DETECT) {
         auto &mario_visitor = dynamic_cast<MarioVisitor &>(visitor);
         if (mario_visitor.canDestroy()) {
-            if ((_destructible && !hasCoin()) || (_can_be_destroyed && mario_visitor.isBig() && !hasCoin())) {
+            if ((_destructible && !hasCoin() && !hasMushroom()) || (_can_be_destroyed && mario_visitor.isBig() && !hasCoin() && !hasMushroom())) {
                 destroy();
             } else if (_bouncable) {
                 BounceVisitor bv;
@@ -77,7 +77,11 @@ void MarioBlock::visit(SDLPP::Visitor &visitor) {
                     createTerrainBlock(MUSHROOM_ID, LandType::OVERWORLD, renderer);
                 mushroom->setPos(getPos());
                 std::dynamic_pointer_cast<MushroomBlock>(mushroom)->setParent(this);
+                std::dynamic_pointer_cast<MushroomBlock>(mushroom)->setFireFlower(mario_visitor.isBig());
                 dynamic_cast<MarioVisitor &>(visitor).setMushroomBlock(mushroom);
+                if(mario_visitor.isBig()) {
+                    harden();
+                }
             }
         }
     }
@@ -667,3 +671,10 @@ void MarioBlock::checkVisibility(double rightmost_x) {
 bool MarioBlock::wasVisible() const {
     return _was_visible;
 }
+
+void MarioBlock::harden() {
+    _can_be_destroyed = false;
+    setDestructible(false);
+    setBouncable(false);
+    setTextureSourceRect(HARD_SRC);
+}