+// $Id$
+//
+// SuperTux
+// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
#include <config.h>
#include "display_effect.hpp"
#include <assert.h>
#include "video/drawing_context.hpp"
+#include "scripting/squirrel_util.hpp"
#include "main.hpp"
-DisplayEffect::DisplayEffect()
- : type(NO_FADE), fadetime(0), fading(0), black(false)
+static const float BORDER_SIZE = 75;
+
+DisplayEffect::DisplayEffect(std::string name)
+ : screen_fade(NO_FADE), screen_fadetime(0), screen_fading(0),
+ border_fade(NO_FADE), border_fadetime(0), border_size(0), black(false),
+ borders(false)
{
- border_size = 0;
- borders_fading = false;
- borders_active = false;
+ this->name = name;
}
DisplayEffect::~DisplayEffect()
}
void
+DisplayEffect::expose(HSQUIRRELVM vm, SQInteger table_idx)
+{
+ if (name.empty()) return;
+ expose_object(vm, table_idx, dynamic_cast<Scripting::DisplayEffect *>(this), name, false);
+}
+
+void
+DisplayEffect::unexpose(HSQUIRRELVM vm, SQInteger table_idx)
+{
+ if (name.empty()) return;
+ Scripting::unexpose_object(vm, table_idx, name);
+}
+
+void
DisplayEffect::update(float elapsed_time)
{
- if (borders_fading) {
- if (border_size < 75) border_size += 1.5;
- else borders_active = true;
+ switch(screen_fade) {
+ case NO_FADE:
+ break;
+ case FADE_IN:
+ screen_fading -= elapsed_time;
+ if(screen_fading < 0) {
+ screen_fade = NO_FADE;
}
- else if (borders_active) {
- if (border_size > 0) border_size -= 1.5;
- else borders_active = false;
+ break;
+ case FADE_OUT:
+ screen_fading -= elapsed_time;
+ if(screen_fading < 0) {
+ screen_fade = NO_FADE;
+ black = true;
}
- switch(type) {
- case NO_FADE:
- return;
- case FADE_IN:
- fading -= elapsed_time;
- if(fading < 0) {
- type = NO_FADE;
- }
- break;
- case FADE_OUT:
- fading -= elapsed_time;
- if(fading < 0) {
- type = NO_FADE;
- black = true;
- }
- break;
- default:
- assert(false);
+ break;
+ default:
+ assert(false);
+ }
+
+ switch(border_fade) {
+ case NO_FADE:
+ break;
+ case FADE_IN:
+ border_fading -= elapsed_time;
+ if(border_fading < 0) {
+ border_fade = NO_FADE;
}
+ border_size = border_fading / border_fading * BORDER_SIZE;
+ break;
+ case FADE_OUT:
+ border_fading -= elapsed_time;
+ if(border_fading < 0) {
+ borders = false;
+ border_fade = NO_FADE;
+ }
+ border_size = (border_fadetime - border_fading)
+ / border_fadetime * BORDER_SIZE;
+ break;
+ default:
+ assert(false);
+ }
}
void
DisplayEffect::draw(DrawingContext& context)
{
- context.push_transform();
- context.set_translation(Vector(0, 0));
-
- if(black || type != NO_FADE) {
- uint8_t alpha;
- if(black) {
- alpha = 255;
- } else {
- switch(type) {
- case FADE_IN:
- alpha = static_cast<uint8_t>
- (fading * 255.0 / fadetime);
- break;
- case FADE_OUT:
- alpha = static_cast<uint8_t>
- ((fadetime-fading) * 255.0 / fadetime);
- break;
- default:
- alpha = 0;
- assert(false);
- }
+ context.push_transform();
+ context.set_translation(Vector(0, 0));
+
+ if(black || screen_fade != NO_FADE) {
+ float alpha;
+ if(black) {
+ alpha = 1.0f;
+ } else {
+ switch(screen_fade) {
+ case FADE_IN:
+ alpha = screen_fading / screen_fadetime;
+ break;
+ case FADE_OUT:
+ alpha = (screen_fadetime - screen_fading) / screen_fadetime;
+ break;
+ default:
+ alpha = 0;
+ assert(false);
}
- context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
- Color(0, 0, 0, alpha), LAYER_GUI-10);
}
+ context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
+ Color(0, 0, 0, alpha), LAYER_GUI-10);
+ }
- if (borders_fading || borders_active) {
- context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, border_size),
- Color(0, 0, 0, 255), LAYER_GUI-10);
- context.draw_filled_rect(Vector(0, SCREEN_HEIGHT - border_size), Vector(SCREEN_WIDTH, border_size),
- Color(0, 0, 0, 255), LAYER_GUI-10);
- }
+ if (borders) {
+ context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, border_size),
+ Color(0, 0, 0, 1.0f), LAYER_GUI-10);
+ context.draw_filled_rect(Vector(0, SCREEN_HEIGHT - border_size), Vector(SCREEN_WIDTH, border_size),
+ Color(0, 0, 0, 1.0f), LAYER_GUI-10);
+ }
- context.pop_transform();
+ context.pop_transform();
}
void
DisplayEffect::fade_out(float fadetime)
{
- black = false;
- this->fadetime = fadetime;
- fading = fadetime;
- type = FADE_OUT;
+ black = false;
+ screen_fadetime = fadetime;
+ screen_fading = fadetime;
+ screen_fade = FADE_OUT;
}
void
DisplayEffect::fade_in(float fadetime)
{
- black = false;
- this->fadetime = fadetime;
- fading = fadetime;
- type = FADE_IN;
+ black = false;
+ this->screen_fadetime = fadetime;
+ screen_fading = fadetime;
+ screen_fade = FADE_IN;
}
void
DisplayEffect::set_black(bool enabled)
{
- black = enabled;
+ black = enabled;
}
bool
DisplayEffect::is_black()
{
- return black;
+ return black;
}
void
-DisplayEffect::sixteen_to_nine()
+DisplayEffect::sixteen_to_nine(float fadetime)
{
- borders_fading = true;
+ if(fadetime == 0) {
+ borders = true;
+ border_size = BORDER_SIZE;
+ } else {
+ borders = true;
+ border_size = 0;
+ border_fade = FADE_IN;
+ border_fadetime = fadetime;
+ border_fading = border_fadetime;
+ }
}
void
-DisplayEffect::four_to_three()
+DisplayEffect::four_to_three(float fadetime)
{
- borders_fading = false;
+ if(fadetime == 0) {
+ borders = false;
+ } else {
+ border_size = BORDER_SIZE;
+ border_fade = FADE_OUT;
+ border_fadetime = fadetime;
+ border_fading = border_fadetime;
+ }
}