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(std::string name)
31 : screen_fade(NO_FADE), screen_fadetime(0), screen_fading(0),
32 border_fade(NO_FADE), border_fadetime(0), border_size(0), black(false),
38 DisplayEffect::~DisplayEffect()
43 DisplayEffect::expose(HSQUIRRELVM vm, SQInteger table_idx)
45 if (name.empty()) return;
46 expose_object(vm, table_idx, dynamic_cast<Scripting::DisplayEffect *>(this), name, false);
50 DisplayEffect::unexpose(HSQUIRRELVM vm, SQInteger table_idx)
52 if (name.empty()) return;
53 Scripting::unexpose_object(vm, table_idx, name);
57 DisplayEffect::update(float elapsed_time)
63 screen_fading -= elapsed_time;
64 if(screen_fading < 0) {
65 screen_fade = NO_FADE;
69 screen_fading -= elapsed_time;
70 if(screen_fading < 0) {
71 screen_fade = NO_FADE;
83 border_fading -= elapsed_time;
84 if(border_fading < 0) {
85 border_fade = NO_FADE;
87 border_size = (border_fadetime - border_fading)
88 / border_fadetime * BORDER_SIZE;
91 border_fading -= elapsed_time;
92 if(border_fading < 0) {
94 border_fade = NO_FADE;
96 border_size = border_fading / border_fadetime * BORDER_SIZE;
104 DisplayEffect::draw(DrawingContext& context)
106 context.push_transform();
107 context.set_translation(Vector(0, 0));
109 if(black || screen_fade != NO_FADE) {
114 switch(screen_fade) {
116 alpha = screen_fading / screen_fadetime;
119 alpha = (screen_fadetime - screen_fading) / screen_fadetime;
126 context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
127 Color(0, 0, 0, alpha), LAYER_GUI-10);
131 context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, border_size),
132 Color(0, 0, 0, 1.0f), LAYER_GUI-10);
133 context.draw_filled_rect(Vector(0, SCREEN_HEIGHT - border_size), Vector(SCREEN_WIDTH, border_size),
134 Color(0, 0, 0, 1.0f), LAYER_GUI-10);
137 context.pop_transform();
141 DisplayEffect::fade_out(float fadetime)
144 screen_fadetime = fadetime;
145 screen_fading = fadetime;
146 screen_fade = FADE_OUT;
150 DisplayEffect::fade_in(float fadetime)
153 this->screen_fadetime = fadetime;
154 screen_fading = fadetime;
155 screen_fade = FADE_IN;
159 DisplayEffect::set_black(bool enabled)
165 DisplayEffect::is_black()
171 DisplayEffect::sixteen_to_nine(float fadetime)
175 border_size = BORDER_SIZE;
179 border_fade = FADE_IN;
180 border_fadetime = fadetime;
181 border_fading = border_fadetime;
186 DisplayEffect::four_to_three(float fadetime)
191 border_size = BORDER_SIZE;
192 border_fade = FADE_OUT;
193 border_fadetime = fadetime;
194 border_fading = border_fadetime;