2 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #include "object/display_effect.hpp"
19 #include "scripting/squirrel_util.hpp"
20 #include "supertux/globals.hpp"
21 #include "video/drawing_context.hpp"
23 static const float BORDER_SIZE = 75;
25 DisplayEffect::DisplayEffect(std::string name) :
39 DisplayEffect::~DisplayEffect()
44 DisplayEffect::expose(HSQUIRRELVM vm, SQInteger table_idx)
46 if (name.empty()) return;
47 expose_object(vm, table_idx, dynamic_cast<scripting::DisplayEffect *>(this), name, false);
51 DisplayEffect::unexpose(HSQUIRRELVM vm, SQInteger table_idx)
53 if (name.empty()) return;
54 scripting::unexpose_object(vm, table_idx, name);
58 DisplayEffect::update(float elapsed_time)
64 screen_fading -= elapsed_time;
65 if(screen_fading < 0) {
66 screen_fade = NO_FADE;
70 screen_fading -= elapsed_time;
71 if(screen_fading < 0) {
72 screen_fade = NO_FADE;
84 border_fading -= elapsed_time;
85 if(border_fading < 0) {
86 border_fade = NO_FADE;
88 border_size = (border_fadetime - border_fading)
89 / border_fadetime * BORDER_SIZE;
92 border_fading -= elapsed_time;
93 if(border_fading < 0) {
95 border_fade = NO_FADE;
97 border_size = border_fading / border_fadetime * BORDER_SIZE;
105 DisplayEffect::draw(DrawingContext& context)
107 context.push_transform();
108 context.set_translation(Vector(0, 0));
110 if(black || screen_fade != NO_FADE) {
115 switch(screen_fade) {
117 alpha = screen_fading / screen_fadetime;
120 alpha = (screen_fadetime - screen_fading) / screen_fadetime;
127 context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
128 Color(0, 0, 0, alpha), LAYER_GUI-10);
132 context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, border_size),
133 Color(0, 0, 0, 1.0f), LAYER_GUI-10);
134 context.draw_filled_rect(Vector(0, SCREEN_HEIGHT - border_size), Vector(SCREEN_WIDTH, border_size),
135 Color(0, 0, 0, 1.0f), LAYER_GUI-10);
138 context.pop_transform();
142 DisplayEffect::fade_out(float fadetime)
145 screen_fadetime = fadetime;
146 screen_fading = fadetime;
147 screen_fade = FADE_OUT;
151 DisplayEffect::fade_in(float fadetime)
154 this->screen_fadetime = fadetime;
155 screen_fading = fadetime;
156 screen_fade = FADE_IN;
160 DisplayEffect::set_black(bool enabled)
166 DisplayEffect::is_black()
172 DisplayEffect::sixteen_to_nine(float fadetime)
176 border_size = BORDER_SIZE;
180 border_fade = FADE_IN;
181 border_fadetime = fadetime;
182 border_fading = border_fadetime;
187 DisplayEffect::four_to_three(float fadetime)
192 border_size = BORDER_SIZE;
193 border_fade = FADE_OUT;
194 border_fadetime = fadetime;
195 border_fading = border_fadetime;