4 // Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #include "../app/globals.h"
24 #include "../app/setup.h"
25 #include "../special/sprite.h"
26 #include "../video/drawing_context.h"
28 using namespace SuperTux;
30 Sprite::Sprite(lisp_object_t* cur)
32 for(; !lisp_nil_p(cur); cur = lisp_cdr(cur))
34 std::string token = lisp_symbol(lisp_car(lisp_car(cur)));
35 lisp_object_t* data = lisp_car(lisp_cdr(lisp_car(cur)));
36 LispReader reader(lisp_cdr(lisp_car(cur)));
39 name = lisp_string(data);
40 else if(token == "action")
43 std::cerr << "Warning: Unknown sprite field: " << token << std::endl;
47 Termination::abort("Error: Sprite wihtout name.", "");
49 Termination::abort("Error: Sprite wihtout actions.", "");
54 for(Actions::iterator i_act = actions.begin(); i_act != actions.end(); ++i_act)
56 for(std::vector<Surface*>::iterator i_sur = i_act->second->surfaces.begin();
57 i_sur != i_act->second->surfaces.end(); ++i_sur)
64 Sprite::parse_action(LispReader& lispreader)
68 init_defaults(action);
70 if(!lispreader.read_string("name", action->name))
72 Termination::abort("Error: If there are more than one action, they need names!", "");
73 lispreader.read_int("x-offset", action->x_offset);
74 lispreader.read_int("y-offset", action->y_offset);
75 lispreader.read_float("fps", action->fps);
77 std::vector<std::string> images;
78 if(!lispreader.read_string_vector("images", images))
79 Termination::abort("Sprite contains no images: ", action->name.c_str());
81 for(std::vector<std::string>::size_type i = 0; i < images.size(); ++i)
83 action->surfaces.push_back(
84 new Surface(datadir + "/images/" + images[i], true));
87 actions[action->name] = action;
91 Sprite::init_defaults(Action* act)
101 Sprite::set_action(std::string act)
103 if(!next_action.empty() && animation_loops > 0)
108 Actions::iterator i = actions.find(act);
109 if(i == actions.end())
111 std::cerr << "Warning: Action '" << act << "' not found on Sprite '" << name << "'\n";
118 Sprite::start_animation(int loops)
121 animation_loops = loops;
128 last_tick = SDL_GetTicks();
129 animation_reversed = false;
134 Sprite::check_animation()
136 return animation_loops;
140 Sprite::reverse_animation(bool reverse)
142 animation_reversed = reverse;
144 if(animation_reversed)
145 frame = get_frames()-1;
153 if(animation_loops == 0)
156 float frame_inc = (action->fps/1000.0) * (SDL_GetTicks() - last_tick);
157 last_tick = SDL_GetTicks();
159 if(animation_reversed)
164 if(animation_reversed)
166 float excedent = frame - 0;
167 if((int)excedent < 0 || excedent >= get_frames())
168 { // last case can happen when not used reverse_animation()
169 frame = get_frames() - 1;
170 if(animation_loops > 0)
173 if(animation_loops == 0 && !next_action.empty())
175 set_action(next_action);
180 if(fabsf(excedent) < get_frames())
186 float excedent = frame - action->surfaces.size();
187 if((int)excedent >= 0)
190 if(animation_loops > 0)
193 if(animation_loops == 0 && !next_action.empty())
195 set_action(next_action);
200 if(excedent < get_frames())
207 Sprite::draw(DrawingContext& context, const Vector& pos, int layer,
208 Uint32 drawing_effect)
212 if((int)frame >= get_frames() || (int)frame < 0)
213 std::cerr << "Warning: frame out of range: " << (int)frame
214 << "/" << get_frames() << " at sprite: " << get_name()
215 << "/" << get_action_name() << std::endl;
217 context.draw_surface(action->surfaces[(int)frame],
218 pos - Vector(action->x_offset, action->y_offset), layer, drawing_effect);
223 Sprite::draw_part(float sx, float sy, float x, float y, float w, float h)
225 time = SDL_GetTicks();
226 unsigned int frame = get_current_frame();
228 if (frame < surfaces.size())
229 surfaces[frame]->draw_part(sx, sy, x - x_offset, y - y_offset, w, h);
236 return action->surfaces[get_frame()]->w;
242 return action->surfaces[get_frame()]->h;