Sprite::Sprite(lisp_object_t* cur)
{
- init_defaults();
+ for(; !lisp_nil_p(cur); cur = lisp_cdr(cur))
+ {
+ std::string token = lisp_symbol(lisp_car(lisp_car(cur)));
+ lisp_object_t* data = lisp_car(lisp_cdr(lisp_car(cur)));
+ LispReader reader(lisp_cdr(lisp_car(cur)));
+
+ if(token == "name")
+ name = lisp_string(data);
+ else if(token == "action")
+ parse_action(reader);
+ }
+
+ if(name.empty())
+ Termination::abort("Error: Sprite wihtout name.", "");
+ if(actions.empty())
+ Termination::abort("Error: Sprite wihtout actions.", "");
+}
+
+Sprite::~Sprite()
+{
+ for(Actions::iterator i_act = actions.begin(); i_act != actions.end(); ++i_act)
+ {
+ for(std::vector<Surface*>::iterator i_sur = i_act->second->surfaces.begin();
+ i_sur != i_act->second->surfaces.end(); ++i_sur)
+ delete *i_sur;
+ delete i_act->second;
+ }
+}
+
+void
+Sprite::parse_action(LispReader& lispreader)
+{
+ action = new Action;
- LispReader reader(cur);
+ init_defaults(action);
- if(!reader.read_string("name", name))
- Termination::abort("Sprite wihtout name", "");
- reader.read_int("x-hotspot", x_hotspot);
- reader.read_int("y-hotspot", y_hotspot);
- reader.read_float("fps", fps);
+ if(!lispreader.read_string("name", action->name))
+ if(!actions.empty())
+ Termination::abort("Error: If there are more than one action, they need names!", "");
+ lispreader.read_int("x-hotspot", action->x_hotspot);
+ lispreader.read_int("y-hotspot", action->y_hotspot);
+ lispreader.read_float("fps", action->fps);
std::vector<std::string> images;
- if(!reader.read_string_vector("images", images))
- Termination::abort("Sprite contains no images: ", name.c_str());
+ if(!lispreader.read_string_vector("images", images))
+ Termination::abort("Sprite contains no images: ", action->name.c_str());
for(std::vector<std::string>::size_type i = 0; i < images.size(); ++i)
{
- surfaces.push_back(
+ action->surfaces.push_back(
new Surface(datadir + "/images/" + images[i], true));
}
- frame_delay = 1000.0f/fps;
+ action->frame_delay = 1000.0f/action->fps;
+
+ actions[action->name] = action;
}
-Sprite::~Sprite()
+void
+Sprite::init_defaults(Action* act)
{
- for(std::vector<Surface*>::iterator i = surfaces.begin(); i != surfaces.end();
- ++i)
- delete *i;
+ act->x_hotspot = 0;
+ act->y_hotspot = 0;
+ act->fps = 10;
+ act->frame_delay = 1000.0f/act->fps;
+ time = 0;
}
void
-Sprite::init_defaults()
+Sprite::set_action(std::string act)
{
- x_hotspot = 0;
- y_hotspot = 0;
- fps = 10;
- time = 0;
- frame_delay = 1000.0f/fps;
+Actions::iterator i = actions.find(act);
+action = i->second;
}
void
time = SDL_GetTicks();
unsigned int frame = get_current_frame();
- if (frame < surfaces.size())
+ if (frame < action->surfaces.size())
{
- Surface* surface = surfaces[frame];
+ Surface* surface = action->surfaces[frame];
- context.draw_surface(surface, pos - Vector(x_hotspot, y_hotspot), layer, drawing_effect);
+ context.draw_surface(surface, pos - Vector(action->x_hotspot, action->y_hotspot), layer, drawing_effect);
}
}
int
Sprite::get_current_frame() const
{
- unsigned int frame = static_cast<int>(fmodf(time, surfaces.size()*frame_delay)/frame_delay);
- return frame % surfaces.size();
+ unsigned int frame = static_cast<int>(fmodf(time, action->surfaces.size()*action->frame_delay)/action->frame_delay);
+ return frame % action->surfaces.size();
}
int
Sprite::get_width() const
{
- return surfaces[get_current_frame()]->w;
+ return action->surfaces[get_current_frame()]->w;
}
int
Sprite::get_height() const
{
- return surfaces[get_current_frame()]->h;
+ return action->surfaces[get_current_frame()]->h;
}
/* EOF */