SpriteData Class Reference

#include <sprite_data.hpp>

List of all members.

Public Member Functions
	SpriteData (const Reader &cur, const std::string &basedir)
	cur has to be a pointer to data in the form of ((hitbox 5 10 0 0) .
	~SpriteData ()
const std::string &	get_name () const
Private Types
typedef std::map< std::string, Action * >	Actions
Private Member Functions
void	parse_action (const Reader &lispreader, const std::string &basedir)
const Action *	get_action (const std::string act)
	Get an action.
Private Attributes
Actions	actions
std::string	name
Friends
class	Sprite
Classes
struct	Action

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Detailed Description

Definition at line 26 of file sprite_data.hpp.

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Member Typedef Documentation

typedef std::map<std::string, Action*> SpriteData::Actions [private]

Definition at line 67 of file sprite_data.hpp.

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Constructor & Destructor Documentation

SpriteData::SpriteData	(	const Reader &	cur,
		const std::string &	basedir
	)

cur has to be a pointer to data in the form of ((hitbox 5 10 0 0) .

..)

Definition at line 48 of file sprite_data.cpp.

References actions, lisp::Lisp::get(), lisp::ListIterator::item(), lisp::ListIterator::lisp(), log_warning, name, lisp::ListIterator::next(), parse_action(), and lisp::ListIterator::value().

                                                                   :
  actions(),
  name()
{
  lisp::ListIterator iter(&lisp);
  while(iter.next()) {
    if(iter.item() == "name") {
      iter.value()->get(name);
    } else if(iter.item() == "action") {
      parse_action(*iter.lisp(), basedir);
    } else {
      log_warning << "Unknown sprite field: " << iter.item() << std::endl;
    }
  }
  if(actions.empty())
    throw std::runtime_error("Error: Sprite without actions.");
}

SpriteData::~SpriteData

(

)

Definition at line 66 of file sprite_data.cpp.

References actions.

{
  for(Actions::iterator i=actions.begin(); i != actions.end(); ++i)
    delete i->second;
}

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Member Function Documentation

const std::string& SpriteData::get_name

(

)

const [inline]

Definition at line 33 of file sprite_data.hpp.

References name.

  {
    return name;
  }

void SpriteData::parse_action	(	const Reader &	lispreader,
		const std::string &	basedir
	)			[private]

Definition at line 73 of file sprite_data.cpp.

References actions, Surface::create(), SpriteData::Action::fps, lisp::Lisp::get(), get_action(), SpriteData::Action::hitbox_h, SpriteData::Action::hitbox_w, name, SpriteData::Action::name, SpriteData::Action::surfaces, SpriteData::Action::x_offset, SpriteData::Action::y_offset, and SpriteData::Action::z_order.

Referenced by SpriteData().

{
  Action* action = new Action;

  if(!lisp.get("name", action->name)) {
    if(!actions.empty())
      throw std::runtime_error(
        "If there are more than one action, they need names!");
  }
  std::vector<float> hitbox;
  if (lisp.get("hitbox", hitbox)) {
    switch(hitbox.size()) {
      case 4:
        action->hitbox_h = hitbox[3];
        action->hitbox_w = hitbox[2];

        //fall-through
      case 2:
        action->y_offset = hitbox[1];
        action->x_offset = hitbox[0];
        break;

      default:
        throw std::runtime_error("hitbox should specify 2/4 coordinates");
    }
  }
  lisp.get("z-order", action->z_order);
  lisp.get("fps", action->fps);

  std::string mirror_action;
  lisp.get("mirror-action", mirror_action);
  if(!mirror_action.empty()) {
    const Action* act_tmp = get_action(mirror_action);
    if(act_tmp == NULL) {
      throw std::runtime_error("Could not mirror action. Action not found.\n"
                               "Mirror actions must be defined after the real one!");
    } else {
      float max_w = 0;
      float max_h = 0;
      for(int i = 0; static_cast<unsigned int>(i) < act_tmp->surfaces.size(); i++) {
        SurfacePtr surface = act_tmp->surfaces[i]->clone();
        surface->hflip();
        max_w = std::max(max_w, (float) surface->get_width());
        max_h = std::max(max_h, (float) surface->get_height());
        action->surfaces.push_back(surface);
      }
      if (action->hitbox_w < 1) action->hitbox_w = max_w - action->x_offset;
      if (action->hitbox_h < 1) action->hitbox_h = max_h - action->y_offset;
    }
  } else { // Load images
    std::vector<std::string> images;
    if(!lisp.get("images", images)) {
      std::stringstream msg;
      msg << "Sprite '" << name << "' contains no images in action '"
          << action->name << "'.";
      throw std::runtime_error(msg.str());
    }

    float max_w = 0;
    float max_h = 0;
    for(std::vector<std::string>::size_type i = 0; i < images.size(); i++) {
      SurfacePtr surface = Surface::create(basedir + images[i]);
      max_w = std::max(max_w, (float) surface->get_width());
      max_h = std::max(max_h, (float) surface->get_height());
      action->surfaces.push_back(surface);
    }
    if (action->hitbox_w < 1) action->hitbox_w = max_w - action->x_offset;
    if (action->hitbox_h < 1) action->hitbox_h = max_h - action->y_offset;
  }
  actions[action->name] = action;
}

const SpriteData::Action * SpriteData::get_action

(

const std::string

act

)

[private]

Get an action.

Definition at line 146 of file sprite_data.cpp.

References actions.

Referenced by Sprite::has_action(), parse_action(), Sprite::set_action(), and Sprite::set_action_continued().

{
  Actions::iterator i = actions.find(act);
  if(i == actions.end()) {
    return 0;
  }
  return i->second;
}

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Friends And Related Function Documentation

friend class Sprite [friend]

Definition at line 39 of file sprite_data.hpp.

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Member Data Documentation

Actions SpriteData::actions [private]

Definition at line 73 of file sprite_data.hpp.

Referenced by get_action(), parse_action(), Sprite::Sprite(), SpriteData(), and ~SpriteData().

std::string SpriteData::name [private]

Definition at line 74 of file sprite_data.hpp.

Referenced by get_name(), Sprite::get_name(), parse_action(), and SpriteData().

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The documentation for this class was generated from the following files:

• src/sprite/sprite_data.hpp
• src/sprite/sprite_data.cpp

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