4 // Copyright (C) 2006 Matthias Braun <matze@braunis.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.
21 #include "display_effect.hpp"
24 #include "video/drawing_context.hpp"
25 #include "scripting/squirrel_util.hpp"
28 static const float BORDER_SIZE = 75;
30 DisplayEffect::DisplayEffect()
31 : screen_fade(NO_FADE), screen_fadetime(0), screen_fading(0),
32 border_fade(NO_FADE), border_fadetime(0), border_size(0),
33 black(false), borders(false)
37 DisplayEffect::~DisplayEffect()
42 DisplayEffect::expose(HSQUIRRELVM vm, SQInteger table_idx)
44 Scripting::DisplayEffect* interface = static_cast<Scripting::DisplayEffect*> (this);
45 expose_object(vm, table_idx, interface, "Effect", false);
49 DisplayEffect::unexpose(HSQUIRRELVM vm, SQInteger table_idx)
52 Scripting::unexpose_object(vm, table_idx, "Effect");
59 DisplayEffect::update(float elapsed_time)
65 screen_fading -= elapsed_time;
66 if(screen_fading < 0) {
67 screen_fade = NO_FADE;
71 screen_fading -= elapsed_time;
72 if(screen_fading < 0) {
73 screen_fade = NO_FADE;
85 border_fading -= elapsed_time;
86 if(border_fading < 0) {
87 border_fade = NO_FADE;
89 border_size = border_fading / border_fading * BORDER_SIZE;
92 border_fading -= elapsed_time;
93 if(border_fading < 0) {
95 border_fade = NO_FADE;
97 border_size = (border_fadetime - border_fading)
98 / border_fadetime * BORDER_SIZE;
106 DisplayEffect::draw(DrawingContext& context)
108 context.push_transform();
109 context.set_translation(Vector(0, 0));
111 if(black || screen_fade != NO_FADE) {
116 switch(screen_fade) {
118 alpha = screen_fading / screen_fadetime;
121 alpha = (screen_fadetime - screen_fading) / screen_fadetime;
128 context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
129 Color(0, 0, 0, alpha), LAYER_GUI-10);
133 context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, border_size),
134 Color(0, 0, 0, 1.0f), LAYER_GUI-10);
135 context.draw_filled_rect(Vector(0, SCREEN_HEIGHT - border_size), Vector(SCREEN_WIDTH, border_size),
136 Color(0, 0, 0, 1.0f), LAYER_GUI-10);
139 context.pop_transform();
143 DisplayEffect::fade_out(float fadetime)
146 screen_fadetime = fadetime;
147 screen_fading = fadetime;
148 screen_fade = FADE_OUT;
152 DisplayEffect::fade_in(float fadetime)
155 this->screen_fadetime = fadetime;
156 screen_fading = fadetime;
157 screen_fade = FADE_IN;
161 DisplayEffect::set_black(bool enabled)
167 DisplayEffect::is_black()
173 DisplayEffect::sixteen_to_nine(float fadetime)
177 border_size = BORDER_SIZE;
181 border_fade = FADE_IN;
182 border_fadetime = fadetime;
183 border_fading = border_fadetime;
188 DisplayEffect::four_to_three(float fadetime)
193 border_size = BORDER_SIZE;
194 border_fade = FADE_OUT;
195 border_fadetime = fadetime;
196 border_fading = border_fadetime;