summaryrefslogtreecommitdiffstats
path: root/asciiquarium/src/screen.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'asciiquarium/src/screen.cpp')
-rw-r--r--asciiquarium/src/screen.cpp251
1 files changed, 0 insertions, 251 deletions
diff --git a/asciiquarium/src/screen.cpp b/asciiquarium/src/screen.cpp
deleted file mode 100644
index 534e8b07..00000000
--- a/asciiquarium/src/screen.cpp
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Asciiquarium - Native KDE Screensaver based on the Asciiquarium program
- * (c) Kirk Baucom <kbaucom@schizoid.com>, which you can find at
- * http://www.robobunny.com/projects/asciiquarium/
- *
- * Ported to KDE by Maksim Orlovich <maksim@kde.org> and
- * Michael Pyne <michael.pyne@kdemail.net>.
- *
- * Copyright (c) 2003 Kirk Baucom <kbaucom@schizoid.com>
- * Copyright (c) 2005 Maksim Orlovich <maksim@kde.org>
- * Copyright (c) 2005 Michael Pyne <michael.pyne@kdemail.net>
- *
- * 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 <ntqcolor.h>
-#include <ntqfontmetrics.h>
-#include <ntqpainter.h>
-#include <ntqpixmap.h>
-#include <ntqtimer.h>
-#include <ntqwidget.h>
-
-#include <tdeglobalsettings.h>
-
-#include "screen.h"
-#include "sprite.h"
-#include "aasaver.h"
-
-Screen::Screen(AASaver* widget): m_widget(widget)
-{
- TQFontMetrics fm(TDEGlobalSettings::fixedFont());
-
- // Compute cell geometries.
- m_cellW = fm.maxWidth();
- m_cellH = fm.lineSpacing();
-
- // Computer number of full cells that will fit.
- m_width = widget->width() / m_cellW;
- m_height = widget->height() / m_cellH;
-
- // Calculate offset needed to evenly distribute excess screen space.
- m_offX = (widget->width() - m_width * m_cellW) / 2;
- m_offY = (widget->height() - m_height * m_cellH) / 2;
-
- // Create double buffer.
- m_backBuffer = TQPixmap(m_widget->size());
- m_backBuffer.fill(black);
-
- // FIXME: handle resizing!
-
- // Setup animation timer.
- TQTimer* timer = new TQTimer(this);
- connect(timer, SIGNAL(timeout()), SLOT(doAnimate()));
-
- timer->start(msPerTick());
-}
-
-int Screen::msPerTick() const
-{
- return 50;
-}
-
-Screen::~Screen()
-{
-}
-
-void Screen::updateSpan(int x, int y, const TQPixmap &updatePixmap)
-{
- if (y < 0 || y >= m_height) return;
-
- TQPoint upperLeft(m_offX + x * m_cellW, m_offY + y * m_cellH);
- bitBlt(&m_backBuffer, upperLeft, &updatePixmap, updatePixmap.rect(), TQt::CopyROP);
- m_widget->update(TQRect(upperLeft, updatePixmap.size()));
-}
-
-void Screen::clearSpan(int x, int y, const TQPixmap &clearPixmap)
-{
- if (y < 0 || y >= m_height) return;
-
- TQPoint upperLeft(m_offX + x * m_cellW, m_offY + y * m_cellH);
- bitBlt(&m_backBuffer, upperLeft, &clearPixmap, clearPixmap.rect(), TQt::CopyROP);
- m_widget->update(TQRect(upperLeft, clearPixmap.size()));
-}
-
-//Actually paints the region on the widget.
-void Screen::paint(TQRegion r)
-{
- TQPainter p(m_widget);
- TQMemArray<TQRect> rects = r.rects();
-
- for (int r = 0; r < rects.size(); ++r)
- {
- //Determine the grid locations described by the rect
- TQRect bound = rects[r];
-
- bitBlt(m_widget, bound.topLeft(), &m_backBuffer, bound, TQt::CopyROP);
- } //for rect in region
-};
-
-/**
- * Utility type used to faciliate sorting of the Sprite list in order to
- * implement the Painter's Algorithm when painting the back buffer.
- */
-struct ZKey
-{
- /**
- * Logical depth of sprite. Now 0 is farthest away from the eyes, unlike
- * with Sprite::depth().
- */
- int z;
-
- Sprite* addr;
-
- ZKey(): z(0), addr(0)
- {}
-
- ZKey(Sprite* spr): z(1000 - spr->depth()), addr(spr)
- {}
-
- bool operator<(const ZKey& other) const
- {
- if (z < other.z) return true;
- if (z > other.z) return false;
-
- return addr < other.addr;
- }
-};
-
-void Screen::doAnimate()
-{
- //First, rebuild a new list of sprites, and build a dirty region
- TQRegion dirtyRegion;
-
- TQValueVector<Sprite*> sprites;
- TQValueVector<Sprite*> colliders;
-
- // Look for sprites that can suffer a collision.
- for (unsigned pos = 0; pos < m_sprites.size(); ++pos)
- {
- if(m_sprites[pos]->canCollide())
- colliders.append(m_sprites[pos]);
- }
-
- // Find collisions.
- // FIXME: Use transparent regions for accuracy.
- for (unsigned pos = 0; pos < colliders.size(); ++pos)
- for (unsigned sprite = 0; sprite < m_sprites.size(); ++sprite)
- {
- if(m_sprites[sprite] == colliders[pos])
- continue;
-
- if(colliders[pos]->geom().intersects(m_sprites[sprite]->geom()))
- colliders[pos]->collision(m_sprites[sprite]);
- }
-
- //Retain all live existing sprites
- for (int pos = 0; pos < m_sprites.size(); ++pos)
- {
- Sprite* sprite = m_sprites[pos];
- TQRect oldRect = sprite->geom();
- if (!sprite->isKilled()) {
- bool dirty = sprite->tickUpdate();
-
- if (dirty)
- dirtyRegion |= oldRect | sprite->geom();
-
- if (!sprite->isKilled())
- sprites.append(sprite);
- }
-
- if (sprite->isKilled()) //note:may be made true by updateTick!
- {
- dirtyRegion |= oldRect;
- delete sprite;
- }
- }
-
- //Add new sprites.
- for (int pos = 0; pos < m_addedSprites.size(); ++pos)
- {
- dirtyRegion |= m_addedSprites[pos]->geom();
- sprites.append(m_addedSprites[pos]);
- }
-
- m_addedSprites.clear();
- m_sprites = sprites;
-
- //Compute the list of sprites affected. Note that this is
- //done iteratively until fixed point.
- TQValueVector<Sprite*> paintSprites;
- TQValueVector<Sprite*> remSprites;
-
- bool changed;
- do
- {
- changed = false;
- remSprites.clear();
-
- for (int c = 0; c < sprites.size(); ++c)
- {
- Sprite* sprite = sprites[c];
-
- if (dirtyRegion.intersect(sprite->geom()).isEmpty())
- remSprites.append(sprite); //not to be painted thus far
- else
- {
- //This sprite is to be painted
- paintSprites.append(sprite);
-
- //make sure we repaint everything overlapping it
- dirtyRegion |= sprite->geom();
- changed = true;
- }
- }
- sprites = remSprites;
- }
- while (changed);
-
- //Z-sort the items.
- TQMap<ZKey, Sprite* > sorted;
- for (int pos = 0; pos < paintSprites.size(); ++pos)
- sorted[ZKey(paintSprites[pos])] = paintSprites[pos];
-
- //Paint, in Z-order
- for (TQMapIterator<ZKey, Sprite*> i = sorted.begin();
- i != sorted.end(); ++i)
- i.data()->paint();
-
- // Make sure black strip at edge is still present.
- if(!paintSprites.isEmpty())
- {
- TQPainter p(&m_backBuffer);
- p.fillRect(m_backBuffer.width() - m_offX, 0, m_offX, m_backBuffer.height(), TQt::black);
- }
-}
-
-#include "screen.moc"
-
-// vim: set et ts=8 sw=4:
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-13 19:18:35 +0000