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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.
*
*/
#include "common/system.h"
#include "graphics/palette.h"
#include "graphics/surface.h"
#include "xeen/screen.h"
#include "xeen/resources.h"
#include "xeen/xeen.h"
namespace Xeen {
Window::Window() : _vm(nullptr), _enabled(false), _a(0), _border(0),
_xLo(0), _xHi(0), _ycL(0), _ycH(0) {
}
Window::Window(XeenEngine *vm, const Common::Rect &bounds, int a, int border,
int xLo, int ycL, int xHi, int ycH):
_vm(vm), _enabled(false), _a(a), _border(border),
_xLo(xLo), _ycL(ycL), _xHi(xHi), _ycH(ycH) {
setBounds(bounds);
}
void Window::setBounds(const Common::Rect &r) {
_bounds = r;
_innerBounds = r;
_innerBounds.grow(-_border);
}
void Window::open() {
if (!_enabled) {
_vm->_screen->_windowStack.push_back(this);
open2();
}
if (_vm->_mode == MODE_9) {
warning("TODO: copyFileToMemory");
}
}
void Window::open2() {
create(_bounds.width(), _bounds.height());
copyRectToSurface(*_vm->_screen, 0, 0, _bounds);
_dirtyRects.push(_bounds);
frame();
}
void Window::frame() {
Screen &screen = *_vm->_screen;
int xCount = (_bounds.width() - 9) / FONT_WIDTH;
int yCount = (_bounds.height() - 9) / FONT_HEIGHT;
// Write the top line
screen._writePos = Common::Point(_bounds.left, _bounds.top);
screen.writeSymbol(0);
if (xCount > 0) {
int symbolId = 1;
for (int i = 0; i < xCount; ++i) {
screen.writeSymbol(symbolId);
if (++symbolId == 5)
symbolId = 1;
}
}
screen._writePos.x = _bounds.right - FONT_WIDTH;
screen.writeSymbol(5);
// Write the vertical edges
if (yCount > 0) {
int symbolId = 6;
for (int i = 0; i < yCount; ++i) {
screen._writePos.y += 8;
screen._writePos.x = _bounds.left;
screen.writeSymbol(symbolId);
screen._writePos.x = _bounds.right - FONT_WIDTH;
screen.writeSymbol(symbolId + 4);
if (++symbolId == 10)
symbolId = 6;
}
}
// Write the bottom line
screen._writePos = Common::Point(_bounds.left, _bounds.bottom - FONT_HEIGHT);
screen.writeSymbol(14);
if (xCount > 0) {
int symbolId = 15;
for (int i = 0; i < xCount; ++i) {
screen.writeSymbol(symbolId);
if (++symbolId == 19)
symbolId = 15;
}
}
screen._writePos.x = _bounds.right - FONT_WIDTH;
screen.writeSymbol(19);
}
void Window::close() {
if (_enabled) {
// Update any remaining pending changes to the screen and free
// the window's internal surface storage
update();
free();
// Remove the window from the stack and flag it as now disabled
for (uint i = 0; i < _vm->_screen->_windowStack.size(); ++i) {
if (_vm->_screen->_windowStack[i] == this)
_vm->_screen->_windowStack.remove_at(i);
}
_enabled = false;
}
if (_vm->_mode == MODE_9) {
warning("TODO: copyFileToMemory");
}
}
/**
* Pushes any pending changes for the window to the screen
*/
void Window::update() {
while (!_dirtyRects.empty()) {
Common::Rect r = _dirtyRects.pop();
blitTo(*_vm->_screen, Common::Point(_bounds.left, _bounds.top));
}
}
void Window::addDirtyRect(const Common::Rect &r) {
_dirtyRects.push(r);
}
/**
* Fill the content area of a window with the current background color
*/
void Window::fill() {
fillRect(_innerBounds, _bgColor);
}
void Window::writeString(const Common::String &s) {
_vm->_screen->writeString(s, _innerBounds);
}
/*------------------------------------------------------------------------*/
/**
* Constructor
*/
Screen::Screen(XeenEngine *vm) : _vm(vm) {
_fadeIn = false;
create(SCREEN_WIDTH, SCREEN_HEIGHT);
setupWindows();
// Load font data for the screen
File f("fnt");
byte *data = new byte[f.size()];
f.read(data, f.size());
_fontData = data;
}
Screen::~Screen() {
delete[] _fontData;
}
void Screen::setupWindows() {
Window windows[40] = {
Window(_vm, Common::Rect(0, 0, 320, 200), 0, 0, 0, 0, 320, 200),
Window(_vm, Common::Rect(237, 9, 317, 74), 0, 0, 237, 12, 307, 68),
Window(_vm, Common::Rect(225, 1, 319, 73), 1, 8, 225, 1, 319, 73),
Window(_vm, Common::Rect(0, 0, 230, 149), 0, 0, 9, 8, 216, 140),
Window(_vm, Common::Rect(235, 148, 309, 189), 2, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(70, 20, 250, 183), 3, 8, 80, 38, 240, 166),
Window(_vm, Common::Rect(52, 149, 268, 197), 4, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(108, 0, 200, 200), 5, 0, 0, 0, 0, 0),
Window(_vm, Common::Rect(232, 9, 312, 74), 0, 0, 0, 0, 0, 0),
Window(_vm, Common::Rect(103, 156, 217, 186), 6, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(226, 0, 319, 146), 7, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(8, 8, 224, 140), 8, 8, 8, 8, 224, 200),
Window(_vm, Common::Rect(0, 143, 320, 199), 9, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(50, 103, 266, 139), 10, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(0, 7, 320, 138), 11, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(50, 71, 182, 129), 12, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(228, 106, 319, 146), 13, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(20, 142, 290, 199), 14, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(0, 20, 320, 180), 15, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(231, 48, 317, 141), 16, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(72, 37, 248, 163), 17, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(99, 59, 237, 141), 18, 8, 99, 59, 237, 0),
Window(_vm, Common::Rect(65, 23, 250, 163), 19, 8, 75, 36, 245, 141),
Window(_vm, Common::Rect(80, 28, 256, 148), 20, 8, 80, 28, 256, 172),
Window(_vm, Common::Rect(0, 0, 320, 146), 21, 8, 0, 0, 320, 148),
Window(_vm, Common::Rect(27, 6, 207, 142), 22, 8, 0, 0, 0, 146),
Window(_vm, Common::Rect(15, 15, 161, 91), 23, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(90, 45, 220, 157), 24, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(0, 0, 320, 200), 25, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(0, 101, 320, 146), 26, 8, 0, 101, 320, 0),
Window(_vm, Common::Rect(0, 0, 320, 108), 27, 8, 0, 0, 0, 45),
Window(_vm, Common::Rect(50, 112, 266, 148), 28, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(12, 11, 164, 94), 0, 0, 0, 0, 52, 0),
Window(_vm, Common::Rect(8, 147, 224, 192), 0, 8, 0, 0, 0, 94),
Window(_vm, Common::Rect(232, 74, 312, 138), 29, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(226, 26, 319, 146), 30, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(225, 74, 319, 154), 31, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(27, 6, 195, 142), 0, 8, 0, 0, 0, 0),
Window(_vm, Common::Rect(225, 140, 319, 199), 0, 8, 0, 0, 0, 0)
};
_windows = Common::Array<Window>(windows, 40);
}
void Screen::closeWindows() {
for (int i = (int)_windowStack.size() - 1; i >= 0; --i)
_windowStack[i]->close();
assert(_windowStack.size() == 0);
}
void Screen::update() {
// Merge the dirty rects
mergeDirtyRects();
// Loop through copying dirty areas to the physical screen
Common::List<Common::Rect>::iterator i;
for (i = _dirtyRects.begin(); i != _dirtyRects.end(); ++i) {
const Common::Rect &r = *i;
const byte *srcP = (const byte *)getBasePtr(r.left, r.top);
g_system->copyRectToScreen(srcP, this->pitch, r.left, r.top,
r.width(), r.height());
}
// Signal the physical screen to update
g_system->updateScreen();
_dirtyRects.clear();
}
void Screen::addDirtyRect(const Common::Rect &r) {
_dirtyRects.push_back(r);
}
void Screen::mergeDirtyRects() {
Common::List<Common::Rect>::iterator rOuter, rInner;
// Ensure dirty rect list has at least two entries
rOuter = _dirtyRects.begin();
for (int i = 0; i < 2; ++i, ++rOuter) {
if (rOuter == _dirtyRects.end())
return;
}
// Process the dirty rect list to find any rects to merge
for (rOuter = _dirtyRects.begin(); rOuter != _dirtyRects.end(); ++rOuter) {
rInner = rOuter;
while (++rInner != _dirtyRects.end()) {
if ((*rOuter).intersects(*rInner)) {
// these two rectangles overlap or
// are next to each other - merge them
unionRectangle(*rOuter, *rOuter, *rInner);
// remove the inner rect from the list
_dirtyRects.erase(rInner);
// move back to beginning of list
rInner = rOuter;
}
}
}
}
bool Screen::unionRectangle(Common::Rect &destRect, const Common::Rect &src1, const Common::Rect &src2) {
destRect = src1;
destRect.extend(src2);
return !destRect.isEmpty();
}
/**
* Load a palette resource into the temporary palette
*/
void Screen::loadPalette(const Common::String &name) {
File f(name);
for (int i = 0; i < PALETTE_SIZE; ++i)
_tempPaltte[i] = f.readByte() << 2;
}
/**
* Load a background resource into memory
*/
void Screen::loadBackground(const Common::String &name) {
File f(name);
assert(f.size() == (SCREEN_WIDTH * SCREEN_HEIGHT));
f.read((byte *)getPixels(), SCREEN_WIDTH * SCREEN_HEIGHT);
}
/**
* Copy a loaded background into a display page
*/
void Screen::loadPage(int pageNum) {
assert(pageNum == 0 || pageNum == 1);
if (_pages[0].empty()) {
_pages[0].create(SCREEN_WIDTH, SCREEN_HEIGHT);
_pages[1].create(SCREEN_WIDTH, SCREEN_HEIGHT);
}
blitTo(_pages[pageNum]);
}
void Screen::freePages() {
_pages[0].free();
_pages[1].free();
}
/**
* Merge the two pages along a horizontal split point
*/
void Screen::horizMerge(int xp) {
if (_pages[0].empty())
return;
for (int y = 0; y < SCREEN_HEIGHT; ++y) {
byte *destP = (byte *)getBasePtr(0, y);
const byte *srcP = (const byte *)_pages[0].getBasePtr(0, y);
Common::copy(srcP, srcP + SCREEN_WIDTH - xp, destP);
if (xp != 0) {
srcP = (const byte *)_pages[1].getBasePtr(0, y);
Common::copy(srcP + SCREEN_WIDTH - xp, srcP + SCREEN_WIDTH, destP + SCREEN_WIDTH - xp);
}
}
}
/**
* Merge the two pages along a vertical split point
*/
void Screen::vertMerge(int yp) {
if (_pages[0].empty())
return;
for (int y = 0; y < SCREEN_HEIGHT - yp; ++y) {
const byte *srcP = (const byte *)_pages[0].getBasePtr(0, y);
byte *destP = (byte *)getBasePtr(0, y);
Common::copy(srcP, srcP + SCREEN_WIDTH, destP);
}
for (int y = SCREEN_HEIGHT - yp; y < SCREEN_HEIGHT; ++y) {
const byte *srcP = (const byte *)_pages[1].getBasePtr(0, y);
byte *destP = (byte *)getBasePtr(0, y);
Common::copy(srcP, srcP + SCREEN_WIDTH, destP);
}
}
void Screen::draw(void *data) {
// TODO: Figure out data structure that can be passed to method
assert(!data);
drawScreen();
}
/**
* Mark the entire screen for drawing
*/
void Screen::drawScreen() {
addDirtyRect(Common::Rect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT));
}
void Screen::fadeIn(int step) {
_fadeIn = true;
fadeInner(step);
}
void Screen::fadeOut(int step) {
_fadeIn = false;
fadeInner(step);
}
void Screen::fadeInner(int step) {
for (int idx = 128; idx >= 0 && !_vm->shouldQuit(); idx -= step) {
int val = MAX(idx, 0);
bool flag = !_fadeIn;
if (!flag) {
val = -(val - 128);
flag = step != 0x81;
}
if (!flag) {
step = 0x80;
} else {
// Create a scaled palette from the temporary one
for (int i = 0; i < PALETTE_SIZE; ++i) {
_mainPalette[i] = (_tempPaltte[i] * val * 2) >> 8;
}
updatePalette();
}
_vm->_events->pollEventsAndWait();
}
}
void Screen::updatePalette() {
updatePalette(_mainPalette, 0, 16);
}
void Screen::updatePalette(const byte *pal, int start, int count16) {
g_system->getPaletteManager()->setPalette(pal, start, count16 * 16);
}
void Screen::saveBackground(int slot) {
assert(slot > 0 && slot < 10);
_savedScreens[slot - 1].copyFrom(*this);
}
void Screen::restoreBackground(int slot) {
assert(slot > 0 && slot < 10);
_savedScreens[slot - 1].blitTo(*this);
_savedScreens[slot - 1].free();
}
} // End of namespace Xeen
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