/********************************************************************** <BR>
  This file is part of Crack dot Com's free source code release of
  Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
  information about compiling & licensing issues visit this URL</a> 
  <PRE> If that doesn't help, contact Jonathan Clark at 
  golgotha_source@usa.net (Subject should have "GOLG" in it) 
***********************************************************************/

#ifndef G1_DEF_OBJECT_HH
#define G1_DEF_OBJECT_HH

#include "g1_object.hh"
#include "lisp/li_types.hh"
#include "li_objref.hh"

class li_class;


struct g1_mini_object_def
{
  i4_3d_vector offset;
  i4_3d_vector position;
  i4_3d_vector rotation;         // contains rotation information
  g1_model_id_type defmodeltype; //model used by this mini object. can be overridden with draw()
  
  void init() { memset(this,0,sizeof(*this)); }
  void assign_to(g1_mini_object *m);
};

enum { G1_F_THINK,
       G1_F_DAMAGE,
       G1_F_NOTIFY_DAMAGE,
       G1_F_ENTER_RANGE,
       G1_F_DRAW,
       G1_F_MESSAGE,
       G1_F_DEPLOY_TO,
       G1_F_CHANGE_TEAMS,
       G1_F_OCCUPY_LOCATION,
       G1_F_UNOCCUPY_LOCATION,
       G1_F_TOTAL
};


class g1_dynamic_object_type_class : public g1_object_definition_class
{
public:

  g1_quad_object_class         *model;
  i4_array<g1_mini_object_def>  minis;
  w32                           obj_flags;

  li_function_type funs[G1_F_TOTAL];
  

  g1_dynamic_object_type_class(li_symbol *sym);
  g1_object_class *create_object(g1_object_type type, g1_loader_class *fp);
  void gc_mark(int set);
};

class g1_dynamic_object_class : public g1_object_class
{
  enum { VERSION=0xdef1}; 
public:

  static g1_dynamic_object_class *cast(g1_object_class *o) 
  { 
    if (o && o->get_type()->get_flag(g1_object_definition_class::TO_DYNAMIC_OBJECT))
      return (g1_dynamic_object_class *)o;
    else return 0;
  }


  g1_dynamic_object_type_class *get_type() const
  { 
    return (g1_dynamic_object_type_class *)g1_object_type_array[id]; 
  }
  
  li_class *type_vars()
  {
    return get_type()->vars;
  }

  // called when the object is on a map cell that is drawn
  void draw(g1_draw_context_class *context);
  void think();
  li_object *message(li_symbol *name, li_object *params, li_environment *env);

  void change_player_num(int new_player);  // don't change player_num directly
  i4_bool occupy_location();
  void unoccupy_location();


  void damage(g1_object_class *obj, int hp, i4_3d_vector damage_dir);
  void notify_damage(g1_object_class *obj, int hp, w32 notes);
  i4_bool deploy_to(float x, float y);

  g1_dynamic_object_class(g1_object_type type, g1_loader_class *fp);
  void save(g1_saver_class *fp);

  li_object *value(li_symbol *sym);
  void set(li_symbol *sym, li_object *value);

  static g1_dynamic_object_class *get(li_object *o, li_environment *env)
  {
    return g1_dynamic_object_class::cast(li_g1_ref::get(o,env)->value());
  }
};


class g1_draw_context_class;
extern g1_draw_context_class *g1_draw_context;


#endif