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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on original Tony Tough source code
*
* Copyright (c) 1997-2003 Nayma Software
*/
#include "common/scummsys.h"
#include "graphics/surface.h"
#include "util.h"
#include "tony/window.h"
#include "tony/game.h"
#include "tony/tony.h"
namespace Tony {
/****************************************************************************\
* RMWindow Methods
\****************************************************************************/
RMWindow::RMWindow() {
_showDirtyRects = false;
}
RMWindow::~RMWindow() {
close();
RMText::unload();
}
/**
* Initialises the graphics window
*/
void RMWindow::init() {
Graphics::PixelFormat pixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0);
initGraphics(RM_SX, RM_SY, true, &pixelFormat);
// Initialize FPS counters
fps = lastfcount = fcount = lastsecond = 0;
_bGrabScreenshot = false;
_bGrabThumbnail = false;
_bGrabMovie = false;
_wiping = false;
}
/**
* Close the window
*/
void RMWindow::close(void) {
}
void RMWindow::grabThumbnail(uint16 *thumbmem) {
_bGrabThumbnail = true;
_wThumbBuf = thumbmem;
}
/**
* Repaint the screen
*/
void RMWindow::repaint(void) {
g_system->updateScreen();
}
bool RMWindow::lock() {
return true;
}
void RMWindow::unlock() {
}
/**
* Wipes an area of the screen
*/
void RMWindow::wipeEffect(Common::Rect &rcBoundEllipse) {
if ((rcBoundEllipse.left == 0) && (rcBoundEllipse.top == 0) &&
(rcBoundEllipse.right == RM_SX) && (rcBoundEllipse.bottom == RM_SY)) {
// Full screen clear wanted, so use shortcut method
g_system->fillScreen(0);
} else {
// Clear the designated area a line at a time
uint16 line[RM_SX];
Common::fill(line, line + RM_SX, 0);
// Loop through each line
for (int yp = rcBoundEllipse.top; yp < rcBoundEllipse.bottom; ++yp) {
g_system->copyRectToScreen((const byte *)&line[0], RM_SX * 2, rcBoundEllipse.left, yp, rcBoundEllipse.width(), 1);
}
}
}
void RMWindow::getNewFrame(RMGfxTargetBuffer &bigBuf, Common::Rect *rcBoundEllipse) {
// Get a pointer to the bytes of the source buffer
byte *lpBuf = bigBuf;
if (rcBoundEllipse != NULL) {
// Circular wipe effect
getNewFrameWipe(lpBuf, *rcBoundEllipse);
_wiping = true;
} else if (_wiping) {
// Just finished a wiping effect, so copy the full screen
g_system->copyRectToScreen(lpBuf, RM_SX * 2, 0, 0, RM_SX, RM_SY);
_wiping = false;
} else {
// Standard screen copy - iterate through the dirty rects
Common::List<Common::Rect> dirtyRects = bigBuf.getDirtyRects();
Common::List<Common::Rect>::iterator i;
// If showing dirty rects, copy the entire screen background and set up a surface pointer
Graphics::Surface *s = NULL;
if (_showDirtyRects) {
g_system->copyRectToScreen(lpBuf, RM_SX * 2, 0, 0, RM_SX, RM_SY);
s = g_system->lockScreen();
}
for (i = dirtyRects.begin(); i != dirtyRects.end(); ++i) {
Common::Rect &r = *i;
const byte *lpSrc = lpBuf + (RM_SX * 2) * r.top + (r.left * 2);
g_system->copyRectToScreen(lpSrc, RM_SX * 2, r.left, r.top, r.width(), r.height());
if (_showDirtyRects)
// Frame the copied area with a rectangle
s->frameRect(r, 0xffffff);
}
if (_showDirtyRects)
g_system->unlockScreen();
}
if (_bGrabThumbnail) {
// Need to generate a thumbnail
RMSnapshot s;
s.grabScreenshot(lpBuf, 4, _wThumbBuf);
_bGrabThumbnail = false;
}
// Clear the dirty rect list
bigBuf.clearDirtyRects();
}
/**
* Copies a section of the game frame in a circle bounded by the specified rectangle
*/
void RMWindow::getNewFrameWipe(byte *lpBuf, Common::Rect &rcBoundEllipse) {
// Clear the screen
g_system->fillScreen(0);
if (!rcBoundEllipse.isValidRect())
return;
Common::Point center(rcBoundEllipse.left + rcBoundEllipse.width() / 2,
rcBoundEllipse.top + rcBoundEllipse.height() / 2);
// The rectangle technically defines the area inside the ellipse, with the corners touching
// the ellipse boundary. Since we're currently simulating the ellipse using a plain circle,
// we need to calculate a necessary width using the hypotenuse of X/2 & Y/2
int x2y2 = (rcBoundEllipse.width() / 2) * (rcBoundEllipse.width() / 2) +
(rcBoundEllipse.height() / 2) * (rcBoundEllipse.height() / 2);
int radius = 0;
while ((radius * radius) < x2y2)
++radius;
// Proceed copying a circular area of the frame with the calculated radius onto the screen
int error = -radius;
int x = radius;
int y = 0;
while (x >= y) {
plotSplices(lpBuf, center, x, y);
error += y;
++y;
error += y;
if (error >= 0) {
error -= x;
--x;
error -= x;
}
}
}
/**
* Handles drawing the line splices for the circle of viewable area
*/
void RMWindow::plotSplices(const byte *lpBuf, const Common::Point ¢er, int x, int y) {
plotLines(lpBuf, center, x, y);
if (x != y)
plotLines(lpBuf, center, y, x);
}
/**
* Handles drawing the line splices for the circle of viewable area
*/
void RMWindow::plotLines(const byte *lpBuf, const Common::Point ¢er, int x, int y) {
// Skips lines that have no width (i.e. at the top of the circle)
if ((x == 0) || (y > center.y))
return;
const byte *pSrc;
int xs = MAX(center.x - x, 0);
int width = MIN(RM_SX - xs, x * 2);
if ((center.y - y) >= 0) {
// Draw line in top half of circle
pSrc = lpBuf + ((center.y - y) * RM_SX * 2) + xs * 2;
g_system->copyRectToScreen(pSrc, RM_SX * 2, xs, center.y - y, width, 1);
}
if ((center.y + y) < RM_SY) {
// Draw line in bottom half of circle
pSrc = lpBuf + ((center.y + y) * RM_SX * 2) + xs * 2;
g_system->copyRectToScreen(pSrc, RM_SX * 2, xs, center.y + y, width, 1);
}
}
/****************************************************************************\
* RMSnapshot Methods
\****************************************************************************/
byte RMSnapshot::rgb[RM_SX *RM_SY * 3];
void RMSnapshot::grabScreenshot(byte *lpBuf, int dezoom, uint16 *lpDestBuf) {
uint16 *src = (uint16 *)lpBuf;
int dimx = RM_SX / dezoom;
int dimy = RM_SY / dezoom;
uint32 k = 0;
uint16 *cursrc;
if (lpDestBuf == NULL)
src += (RM_SY - 1) * RM_BBX;
if (dezoom == 1 && 0) {
byte *curOut = rgb;
for (int y = 0; y < dimy; y++) {
for (int x = 0; x < dimx; x++) {
cursrc = &src[RM_SKIPX + x];
*curOut++ = ((*cursrc) & 0x1F) << 3;
*curOut++ = (((*cursrc) >> 5) & 0x1F) << 3;
*curOut++ = (((*cursrc) >> 10) & 0x1F) << 3;
if (lpDestBuf)
*lpDestBuf++ = *cursrc;
}
if (lpDestBuf == NULL)
src -= RM_BBX;
else
src += RM_BBX;
}
} else {
for (int y = 0; y < dimy; y++) {
for (int x = 0; x < dimx; x++) {
cursrc = &src[RM_SKIPX + x * dezoom];
int sommar, sommab, sommag, curv;
sommar = sommab = sommag = 0;
for (int v = 0; v < dezoom; v++) {
for (int u = 0; u < dezoom; u++) {
if (lpDestBuf == NULL)
curv = -v;
else
curv = v;
sommab += cursrc[curv * RM_BBX + u] & 0x1F;
sommag += (cursrc[curv * RM_BBX + u] >> 5) & 0x1F;
sommar += (cursrc[curv * RM_BBX + u] >> 10) & 0x1F;
}
}
rgb[k + 0] = (byte)(sommab * 8 / (dezoom * dezoom));
rgb[k + 1] = (byte)(sommag * 8 / (dezoom * dezoom));
rgb[k + 2] = (byte)(sommar * 8 / (dezoom * dezoom));
if (lpDestBuf != NULL)
lpDestBuf[k / 3] = ((int)rgb[k + 0] >> 3) | (((int)rgb[k + 1] >> 3) << 5) |
(((int)rgb[k + 2] >> 3) << 10);
k += 3;
}
if (lpDestBuf == NULL)
src -= RM_BBX * dezoom;
else
src += RM_BBX * dezoom;
}
}
}
} // End of namespace Tony
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