piluke

I was trying to figure out surfaces, but I can't even seem to draw text properly. Here is what it looks like:

Does anyone know what I'm doing wrong? Is it my computer or something?

Here's my code:

globalvar swap_surf;
swap_surf = surface_create(room_width, room_height);
surface_set_target(swap_surf);
draw_clear_alpha(c_white, 0);
scr_surf();
surface_reset_target();

//Draw event
if (variable_global_exists("swap_surf"))
{
  draw_surface_ext(swap_surf, 0, 0, 1, 1, 0, c_white, draw_get_alpha());
}

//scr_surf
draw_set_color(c_gray);
draw_rectangle(10, 10, room_width-10, room_height-10, false);
draw_set_color(c_white);
draw_text(15, 20, "Surface test.");

So I wanted just to make a simple addition DLL to make sure I was doing it right, but I can't get it to compile.

I'm using Dev C++ (Version 4.9.9.2.) I selected DLL for the project type, and this is the code I have:

//Defines
extern "C" __declspec(dllexport) __stdcall int add(int x, int y);

//Functions
extern "C" __declspec(dllexport) __stdcall int add(int x, int y)
{
  return x+y;
}

I put it right after the includes in dllmain.cpp, but when I try to compile it, this happens:

lmain.o: No such file or directory.

I'm not really sure what I'm supposed to do as I'v never made a DLL before and I'm still learning C++.

If anyone could help, that'd be great

Thanks,
Luke

EDIT:
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Is there a way to find the total number of objects? I do not want the number of instances in the room.