#include "editor.h"

#include "../game/objlist.h"
#include "../game/world/draw.h"
#include "../game/world/bsp_draw.h"
#include "../game.h"

const I32 EDITORVIEW_TITLE_OFFSET = 15;

void gui_editor_3dview_draw_showpos( GUI_EDITOR_3DVIEW* view ) {
  I32 x = gui_relx( view );
  I32 y = gui_rely( view ) + EDITORVIEW_TITLE_OFFSET;

  VEC3 pos = objl->pl->pos;

  gui_draw_str(
    x + view->w - 2, y + 2,
    ALIGN_R,
    FNT_JPN12,
    ui_clr.txt,
    "pos: %.02f %.02f %.02f",
    pos.x, pos.y, pos.z
  );

  gui_draw_str(
    x + view->w - 2, y + 18,
    ALIGN_R,
    FNT_JPN12,
    ui_clr.txt,
    "rot: %.02f %.02f",
    objl->pl->rot.y,
    objl->pl->rot.x
  );

  if( input.mouse_captured ) {
    gui_draw_str(
      x + 2, y + 2,
      ALIGN_L,
      FNT_JPN12,
      ui_clr.txt,
      "[capturing mouse]"
    );
  }
}

void gui_editor_3dview_draw_fn( void* ptr ) {
  GUI_EDITOR_3DVIEW* view = (GUI_EDITOR_3DVIEW*)ptr;

  if( !objl->pl )
    return;

  I32 x = gui_relx( view );
  I32 y = gui_rely( view );

  gui_draw_str( x, y, ALIGN_L, FNT_JPN12, ui_clr.txt, "3d view" );
  y += EDITORVIEW_TITLE_OFFSET;

  VEC2 wnd = { (F32)x, (F32)y };
  VEC2 winsize = { (F32)view->w, (F32)view->h };

  CLR col = gui_is_fg_window( view )? ui_clr.border : ui_clr.border_inactive;
  gui_draw_frect( x-1, y-1, view->w+2, view->h+2, col );
  gui_draw_frect( x, y, view->w, view->h, CLR::BLACK() );
  if( editor->drawbsp && editor->map->bsp )
    bsp_draw( editor->map->bsp, editor->game, wnd, winsize );
  else
    world_draw( editor->game, objl->world, wnd, winsize );
 
  gui_editor_3dview_draw_showpos( view );
}

void gui_editor_3dview_input_fn( void* ptr ) {
  GUI_EDITOR_3DVIEW* view = (GUI_EDITOR_3DVIEW*)ptr;

  if( !objl->pl )
    return;

  if( input.mouse.left && !input.mouse_captured ) {
    I32 view_x = gui_relx( view );
    I32 view_y = gui_rely( view ) + EDITORVIEW_TITLE_OFFSET;
    if( input.mouse.pos.x >= view_x && input.mouse.pos.x < view_x + view->w &&
        input.mouse.pos.y >= view_y && input.mouse.pos.y < view_y + view->h ) {
      input_capture_mouse( true );
    }
  }

  game_on_tick( editor->game );
}

GUI_EDITOR_3DVIEW* gui_editor_3dview( I32 x, I32 y, I32 w, I32 h ) {
  GUI_EDITOR_3DVIEW* view = new GUI_EDITOR_3DVIEW;
  view->x = x;
  view->y = y;
  view->xbound = view->w = w;
  view->h = h;
  view->ybound = h + EDITORVIEW_TITLE_OFFSET;

  view->draw_fn = gui_editor_3dview_draw_fn;
  view->input_fn = gui_editor_3dview_input_fn;
  strcpy( view->name, "EDITOR_3D_VIEW" );

  GUI_BASE* parent = gui_get_view();
  if( !parent )
    parent = gui_get_window();

  parent->children.push( view );
  view->parent = parent;
  return view;
}