// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#include <config.h>
#include <iostream>
#include <cmath>
+#include <cassert>
+#include <stdexcept>
-#include "../app/globals.h"
-#include "../app/setup.h"
-#include "../special/sprite.h"
-#include "../video/drawing_context.h"
+#include "app/globals.h"
+#include "app/setup.h"
+#include "sprite.h"
+#include "video/drawing_context.h"
-using namespace SuperTux;
+namespace SuperTux
+{
-Sprite::Sprite(lisp_object_t* cur)
+Sprite::Sprite(SpriteData& newdata)
+ : data(newdata), frame(0), animation_loops(-1)
{
- 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);
- }
+ action = data.actions.begin()->second;
+ last_ticks = SDL_GetTicks();
+}
- if(name.empty())
- Termination::abort("Error: Sprite wihtout name.", "");
- if(actions.empty())
- Termination::abort("Error: Sprite wihtout actions.", "");
+Sprite::Sprite(const Sprite& other)
+ : data(other.data), frame(other.frame),
+ animation_loops(other.animation_loops),
+ action(other.action)
+{
+ last_ticks = SDL_GetTicks();
}
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)
+Sprite::set_action(std::string name, int loops)
{
- action = new Action;
-
- init_defaults(action);
-
- 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(!lispreader.read_string_vector("images", images))
- Termination::abort("Sprite contains no images: ", action->name.c_str());
+ if(action && action->name == name)
+ return;
- for(std::vector<std::string>::size_type i = 0; i < images.size(); ++i)
- {
- action->surfaces.push_back(
- new Surface(datadir + "/images/" + images[i], true));
- }
-
- action->frame_delay = 1000.0f/action->fps;
-
- actions[action->name] = action;
-}
+ SpriteData::Action* newaction = data.get_action(name);
+ if(!action) {
+#ifdef DEBUG
+ std::cerr << "Action '" << name << "' not found.\n";
+#endif
+ return;
+ }
-void
-Sprite::init_defaults(Action* act)
-{
- act->x_hotspot = 0;
- act->y_hotspot = 0;
- act->fps = 10;
- act->frame_delay = 1000.0f/act->fps;
- time = 0;
+ action = newaction;
+ animation_loops = loops;
+ frame = 0;
}
-void
-Sprite::set_action(std::string act)
+bool
+Sprite::check_animation()
{
-Actions::iterator i = actions.find(act);
-action = i->second;
+ return animation_loops;
}
void
-Sprite::update(float /*delta*/)
+Sprite::update()
{
- //time += 10*delta;
- //std::cout << "Delta: " << delta << std::endl;
+ if(animation_loops == 0)
+ return;
+
+ Uint32 ticks = SDL_GetTicks();
+ float frame_inc = action->fps * float(ticks - last_ticks)/1000.0;
+ last_ticks = ticks;
+
+ frame += frame_inc;
+
+ float lastframe = frame;
+ frame = fmodf(frame+get_frames(), get_frames());
+ if(frame != lastframe) {
+ if(animation_loops > 0) {
+ animation_loops--;
+ if(animation_loops == 0)
+ frame = 0;
+ }
+ }
}
void
Sprite::draw(DrawingContext& context, const Vector& pos, int layer,
Uint32 drawing_effect)
{
- time = SDL_GetTicks();
- unsigned int frame = get_current_frame();
-
- if (frame < action->surfaces.size())
- {
- Surface* surface = action->surfaces[frame];
-
- context.draw_surface(surface, pos - Vector(action->x_hotspot, action->y_hotspot), layer, drawing_effect);
- }
+ assert(action != 0);
+ update();
+
+ if((int)frame >= get_frames() || (int)frame < 0)
+ std::cerr << "Warning: frame out of range: " << (int)frame
+ << "/" << get_frames() << " at " << get_name()
+ << "/" << get_action_name() << std::endl;
+ else
+ context.draw_surface(action->surfaces[(int)frame],
+ pos - Vector(action->x_offset, action->y_offset),
+ layer + action->z_order, drawing_effect);
}
-#if 0
void
-Sprite::draw_part(float sx, float sy, float x, float y, float w, float h)
+Sprite::draw_part(DrawingContext& context, const Vector& source,
+ const Vector& size, const Vector& pos, int layer, Uint32 drawing_effect)
{
- time = SDL_GetTicks();
- unsigned int frame = get_current_frame();
-
- if (frame < surfaces.size())
- surfaces[frame]->draw_part(sx, sy, x - x_hotspot, y - y_hotspot, w, h);
-}
-#endif
-
-void
-Sprite::reset()
-{
- time = 0;
-}
-
-int
-Sprite::get_current_frame() const
-{
- unsigned int frame = static_cast<int>(fmodf(time, action->surfaces.size()*action->frame_delay)/action->frame_delay);
- return frame % action->surfaces.size();
+ assert(action != 0);
+ update();
+
+ if((int)frame >= get_frames() || (int)frame < 0)
+ std::cerr << "Warning: frame out of range: " << (int)frame
+ << "/" << get_frames() << " at sprite: " << get_name()
+ << "/" << get_action_name() << std::endl;
+ else
+ context.draw_surface_part(action->surfaces[(int)frame], source, size,
+ pos - Vector(action->x_offset, action->y_offset),
+ layer + action->z_order, drawing_effect);
}
int
Sprite::get_width() const
{
- return action->surfaces[get_current_frame()]->w;
+ return action->surfaces[get_frame()]->w;
}
int
Sprite::get_height() const
{
- return action->surfaces[get_current_frame()]->h;
+ return action->surfaces[get_frame()]->h;
+}
+
}
/* EOF */