BE swap shop params, fix shop cursor projection, handle divide by zero in d_vibration, stub startLevelSound audio func

src/d/d_shop_system.cpp

@@ -855,7 +855,11 @@ int dShopSystem_c::seq_wait(fopAc_ac_c* param_0, dMsgFlow_c* param_1) {
 }
 
 inline void pos3Dto2D(Vec* a, Vec* b) {
+#if TARGET_PC
+    mDoLib_project(a, b, {0, 0, FB_WIDTH, FB_HEIGHT});
+#else
     mDoLib_project(a, b);
+#endif
 }
 
 int dShopSystem_c::seq_start(fopAc_ac_c* actor, dMsgFlow_c* i_flow) {