// 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;
-
-Sprite::Sprite(lisp_object_t* cur)
+namespace SuperTux
{
- 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()
+Sprite::Sprite(SpriteData& newdata)
+ : data(newdata), frame(0), animation_loops(-1)
{
- 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;
- }
+ action = data.actions.begin()->second;
+ last_ticks = SDL_GetTicks();
}
-void
-Sprite::parse_action(LispReader& lispreader)
+Sprite::Sprite(const Sprite& other)
+ : data(other.data), frame(other.frame),
+ animation_loops(other.animation_loops),
+ action(other.action)
{
- 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());
-
- for(std::vector<std::string>::size_type i = 0; i < images.size(); ++i)
- {
- action->surfaces.push_back(
- new Surface(datadir + "/images/" + images[i], true));
- }
-
- actions[action->name] = action;
+ last_ticks = SDL_GetTicks();
}
-void
-Sprite::init_defaults(Action* act)
+Sprite::~Sprite()
{
- act->x_hotspot = 0;
- act->y_hotspot = 0;
- act->fps = 10;
-
- start_animation(-1);
}
void
-Sprite::set_action(std::string act)
+Sprite::set_action(std::string name, int loops)
{
-Actions::iterator i = actions.find(act);
-action = i->second;
-}
+ if(action && action->name == name)
+ return;
-void
-Sprite::start_animation(int loops, std::string next_act)
-{
-reset();
-animation_loops = loops;
-if(!next_act.empty())
- next_action = next_act;
-}
+ SpriteData::Action* newaction = data.get_action(name);
+ if(!action) {
+#ifdef DEBUG
+ std::cerr << "Action '" << name << "' not found.\n";
+#endif
+ return;
+ }
-void
-Sprite::reset()
-{
-frame = 0;
-last_tick = SDL_GetTicks();
-animation_reversed = true;
-next_action.clear();
+ action = newaction;
+ animation_loops = loops;
+ frame = 0;
}
bool
Sprite::check_animation()
{
-return animation_loops;
-}
-
-void
-Sprite::reverse_animation()
-{
-animation_reversed = !animation_reversed;
-
-if(animation_reversed)
- frame = get_frames()-1;
-else
- frame = 0;
+ return animation_loops;
}
void
Sprite::update()
{
-if(animation_loops == 0)
- return;
+ if(animation_loops == 0)
+ return;
-float frame_inc = (action->fps/1000.0) * (SDL_GetTicks() - last_tick);
+ Uint32 ticks = SDL_GetTicks();
+ float frame_inc = action->fps * float(ticks - last_ticks)/1000.0;
+ last_ticks = ticks;
-if(animation_reversed)
- frame -= frame_inc;
-else
frame += frame_inc;
-last_tick = SDL_GetTicks();
-
-if(animation_reversed)
- {
- float excedent = frame - 0;
- if(excedent < 0 || excedent >= get_frames())
- { // last case can happen when not used reverse_animation()
- frame = get_frames() - 1;
- if(animation_loops > 0)
- {
- animation_loops--;
- if(animation_loops == 0)
- {
- set_action(next_action);
- start_animation(-1);
- }
- }
-
- if(fabsf(excedent) < get_frames())
- frame += excedent;
- }
- }
-else
- {
- float excedent = frame - action->surfaces.size();
- if(excedent >= 0)
- {
- frame = 0;
- if(animation_loops > 0)
- {
+ float lastframe = frame;
+ frame = fmodf(frame+get_frames(), get_frames());
+ if(frame != lastframe) {
+ if(animation_loops > 0) {
animation_loops--;
if(animation_loops == 0)
- {
- set_action(next_action);
- start_animation(-1);
- }
- }
-
- if(excedent < get_frames())
- frame += excedent;
+ frame = 0;
}
}
}
Sprite::draw(DrawingContext& context, const Vector& pos, int layer,
Uint32 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 sprite: " << get_name()
+ << "/" << get_frames() << " at " << get_name()
<< "/" << get_action_name() << std::endl;
else
context.draw_surface(action->surfaces[(int)frame],
- pos - Vector(action->x_hotspot, action->y_hotspot), layer, drawing_effect);
+ 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();
+ assert(action != 0);
+ update();
- if (frame < surfaces.size())
- surfaces[frame]->draw_part(sx, sy, x - x_hotspot, y - y_hotspot, w, h);
+ 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);
}
-#endif
int
-Sprite::get_width()
+Sprite::get_width() const
{
return action->surfaces[get_frame()]->w;
}
int
-Sprite::get_height()
+Sprite::get_height() const
{
return action->surfaces[get_frame()]->h;
}
+}
+
/* EOF */
projects / supertux.git / blobdiff