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 GameObject(name), screen_fade(NO_FADE), screen_fadetime(0), screen_fading(0),
32 border_fade(NO_FADE), border_fadetime(0), border_size(0), black(false),
37 DisplayEffect::~DisplayEffect()
42 DisplayEffect::expose(HSQUIRRELVM vm, SQInteger table_idx)
44 if (name.empty()) return;
45 expose_object(vm, table_idx, dynamic_cast<Scripting::DisplayEffect *>(this), name, false);
49 DisplayEffect::unexpose(HSQUIRRELVM vm, SQInteger table_idx)
51 if (name.empty()) return;
52 Scripting::unexpose_object(vm, table_idx, name);
56 DisplayEffect::update(float elapsed_time)
62 screen_fading -= elapsed_time;
63 if(screen_fading < 0) {
64 screen_fade = NO_FADE;
68 screen_fading -= elapsed_time;
69 if(screen_fading < 0) {
70 screen_fade = NO_FADE;
82 border_fading -= elapsed_time;
83 if(border_fading < 0) {
84 border_fade = NO_FADE;
86 border_size = border_fading / border_fading * BORDER_SIZE;
89 border_fading -= elapsed_time;
90 if(border_fading < 0) {
92 border_fade = NO_FADE;
94 border_size = (border_fadetime - border_fading)
95 / border_fadetime * BORDER_SIZE;
103 DisplayEffect::draw(DrawingContext& context)
105 context.push_transform();
106 context.set_translation(Vector(0, 0));
108 if(black || screen_fade != NO_FADE) {
113 switch(screen_fade) {
115 alpha = screen_fading / screen_fadetime;
118 alpha = (screen_fadetime - screen_fading) / screen_fadetime;
125 context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
126 Color(0, 0, 0, alpha), LAYER_GUI-10);
130 context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, border_size),
131 Color(0, 0, 0, 1.0f), LAYER_GUI-10);
132 context.draw_filled_rect(Vector(0, SCREEN_HEIGHT - border_size), Vector(SCREEN_WIDTH, border_size),
133 Color(0, 0, 0, 1.0f), LAYER_GUI-10);
136 context.pop_transform();
140 DisplayEffect::fade_out(float fadetime)
143 screen_fadetime = fadetime;
144 screen_fading = fadetime;
145 screen_fade = FADE_OUT;
149 DisplayEffect::fade_in(float fadetime)
152 this->screen_fadetime = fadetime;
153 screen_fading = fadetime;
154 screen_fade = FADE_IN;
158 DisplayEffect::set_black(bool enabled)
164 DisplayEffect::is_black()
170 DisplayEffect::sixteen_to_nine(float fadetime)
174 border_size = BORDER_SIZE;
178 border_fade = FADE_IN;
179 border_fadetime = fadetime;
180 border_fading = border_fadetime;
185 DisplayEffect::four_to_three(float fadetime)
190 border_size = BORDER_SIZE;
191 border_fade = FADE_OUT;
192 border_fadetime = fadetime;
193 border_fading = border_fadetime;