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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 "tsage/events.h"
#include "tsage/graphics.h"
#include "tsage/resources.h"
#include "tsage/tsage.h"
#include "tsage/core.h"
#include "common/algorithm.h"
#include "graphics/palette.h"
#include "graphics/surface.h"
#include "tsage/globals.h"
namespace TsAGE {
/**
* Creates a new graphics surface with the specified area of another surface
*
* @src Source surface
* @bounds Area to backup
*/
GfxSurface *surfaceGetArea(GfxSurface &src, const Rect &bounds) {
assert(bounds.isValidRect());
GfxSurface *dest = new GfxSurface();
dest->create(bounds.width(), bounds.height());
Graphics::Surface srcSurface = src.lockSurface();
Graphics::Surface destSurface = dest->lockSurface();
byte *srcP = (byte *)srcSurface.getBasePtr(bounds.left, bounds.top);
byte *destP = (byte *)destSurface.getPixels();
for (int y = bounds.top; y < bounds.bottom; ++y, srcP += srcSurface.pitch, destP += destSurface.pitch)
Common::copy(srcP, srcP + destSurface.pitch, destP);
src.unlockSurface();
dest->unlockSurface();
return dest;
}
/**
* Translates a raw image resource into a graphics surface. The caller is then responsible
* for managing and destroying the surface when done with it
*
* @imgData Raw image resource
* @size Size of the resource
*/
GfxSurface surfaceFromRes(const byte *imgData) {
Rect r(0, 0, READ_LE_UINT16(imgData), READ_LE_UINT16(imgData + 2));
GfxSurface s;
s.create(r.width(), r.height());
s._transColor = *(imgData + 8);
byte flags = imgData[9];
s._flags = (g_vm->getGameID() != GType_Ringworld) ? flags : 0;
bool rleEncoded = (flags & 2) != 0;
// Figure out the centroid
s._centroid.x = READ_LE_UINT16(imgData + 4);
s._centroid.y = READ_LE_UINT16(imgData + 6);
const byte *srcP = imgData + 10;
Graphics::Surface destSurface = s.lockSurface();
byte *destP = (byte *)destSurface.getPixels();
if (!rleEncoded) {
Common::copy(srcP, srcP + (r.width() * r.height()), destP);
} else {
Common::fill(destP, destP + (r.width() * r.height()), s._transColor);
for (int yp = 0; yp < r.height(); ++yp) {
int width = r.width();
destP = (byte *)destSurface.getBasePtr(0, yp);
while (width > 0) {
uint8 controlVal = *srcP++;
if ((controlVal & 0x80) == 0) {
// Copy specified number of bytes
Common::copy(srcP, srcP + controlVal, destP);
width -= controlVal;
srcP += controlVal;
destP += controlVal;
} else if ((controlVal & 0x40) == 0) {
// Skip a specified number of output pixels
destP += controlVal & 0x3f;
width -= controlVal & 0x3f;
} else {
// Copy a specified pixel a given number of times
controlVal &= 0x3f;
int pixel = *srcP++;
Common::fill(destP, destP + controlVal, pixel);
destP += controlVal;
width -= controlVal;
}
}
assert(width == 0);
}
}
s.unlockSurface();
return s;
}
GfxSurface surfaceFromRes(int resNum, int rlbNum, int subNum) {
uint size;
byte *imgData = g_resourceManager->getSubResource(resNum, rlbNum, subNum, &size);
GfxSurface surface = surfaceFromRes(imgData);
DEALLOCATE(imgData);
return surface;
}
/*--------------------------------------------------------------------------*/
void Rect::set(int16 x1, int16 y1, int16 x2, int16 y2) {
left = x1; top = y1;
right = x2; bottom = y2;
}
/**
* Collapses the rectangle in all four directions by the given x and y amounts
*
* @dx x amount to collapse x edges by
* @dy y amount to collapse y edges by
*/
void Rect::collapse(int dx, int dy) {
left += dx; right -= dx;
top += dy; bottom -= dy;
}
/**
* Centers the rectangle at a given position
*
* @xp x position for new center
* @yp y position for new center
*/
void Rect::center(int xp, int yp) {
moveTo(xp - (width() / 2), yp - (height() / 2));
}
/**
* Centers the rectangle at the center of a second passed rectangle
*
* @r Second rectangle whose center to use
*/
void Rect::center(const Rect &r) {
center(r.left + (r.width() / 2), r.top + (r.height() / 2));
}
/*
* Repositions the bounds if necessary so it falls entirely within the passed bounds
*
* @r The bounds the current rect should be within
*/
void Rect::contain(const Rect &r) {
if (left < r.left) translate(r.left - left, 0);
if (right > r.right) translate(r.right - right, 0);
if (top < r.top) translate(0, r.top - top);
if (bottom > r.bottom) translate(0, r.bottom - bottom);
}
/**
* Resizes and positions a given rect based on raw image data and a passed scaling percentage
*
* @frame Raw image frame
* @xp New x position
* @yp New y position
* @percent Scaling percentage
*/
void Rect::resize(const GfxSurface &surface, int xp, int yp, int percent) {
const Rect &bounds = surface.getBounds();
int xe = bounds.width() * percent / 100;
int ye = bounds.height() * percent / 100;
this->set(0, 0, xe, ye);
if (!right) ++right;
if (!bottom) ++bottom;
this->moveTo(xp, yp);
int xa = (surface._flags & FRAME_FLIP_CENTROID_X) == 0 ? surface._centroid.x :
bounds.width() - (surface._centroid.x + 1);
int ya = (surface._flags & FRAME_FLIP_CENTROID_Y) == 0 ? surface._centroid.y :
bounds.height() - (surface._centroid.y + 1);
int xd = xa * percent / 100;
int yd = ya * percent / 100;
this->translate(-xd, -yd);
}
/**
* Expands the pane region to contain the specified Rect
*/
void Rect::expandPanes() {
g_globals->_paneRegions[0].uniteRect(*this);
g_globals->_paneRegions[1].uniteRect(*this);
}
/**
* Serialises the given rect
*/
void Rect::synchronize(Serializer &s) {
s.syncAsSint16LE(left);
s.syncAsSint16LE(top);
s.syncAsSint16LE(right);
s.syncAsSint16LE(bottom);
}
/*--------------------------------------------------------------------------*/
GfxSurface::GfxSurface() : Graphics::ManagedSurface(), _bounds(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT) {
_disableUpdates = false;
_lockSurfaceCtr = 0;
_transColor = -1;
_flags = 0;
}
GfxSurface::GfxSurface(const GfxSurface &s): Graphics::ManagedSurface() {
_lockSurfaceCtr = 0;
operator=(s);
}
GfxSurface::~GfxSurface() {
// Sanity check.. GfxSurface should always be just referencing _rawSurface,
// and not directly managing it's own surface
assert(!isManaged());
}
void GfxSurface::create(uint16 width, uint16 height) {
free();
_rawSurface.create(width, height);
setBounds(Rect(0, 0, width, height));
}
void GfxSurface::setBounds(const Rect &bounds) {
_bounds = bounds;
Graphics::ManagedSurface::create(_rawSurface, bounds);
}
/**
* Locks the surface for access, and returns a raw ScummVM surface to manipulate it
*/
Graphics::ManagedSurface &GfxSurface::lockSurface() {
++_lockSurfaceCtr;
return *this;
}
/**
* Unlocks the surface after having accessed it with the lockSurface method
*/
void GfxSurface::unlockSurface() {
assert(_lockSurfaceCtr > 0);
--_lockSurfaceCtr;
}
void GfxSurface::synchronize(Serializer &s) {
assert(!_lockSurfaceCtr);
s.syncAsByte(_disableUpdates);
_bounds.synchronize(s);
s.syncAsSint16LE(_centroid.x);
s.syncAsSint16LE(_centroid.y);
s.syncAsSint16LE(_transColor);
if (s.isSaving()) {
// Save contents of the surface
if (isManaged()) {
s.syncAsSint16LE(this->w);
s.syncAsSint16LE(this->h);
s.syncBytes((byte *)getPixels(), this->w * this->h);
} else {
int zero = 0;
s.syncAsSint16LE(zero);
s.syncAsSint16LE(zero);
}
} else {
int xSize = 0, ySize = 0;
s.syncAsSint16LE(xSize);
s.syncAsSint16LE(ySize);
if (xSize == 0 || ySize == 0) {
free();
} else {
create(xSize, ySize);
s.syncBytes((byte *)getPixels(), xSize * ySize);
}
}
}
GfxSurface &GfxSurface::operator=(const GfxSurface &s) {
assert(_lockSurfaceCtr == 0);
assert(s._lockSurfaceCtr == 0);
_disableUpdates = s._disableUpdates;
_bounds = s._bounds;
_centroid = s._centroid;
_transColor = s._transColor;
_flags = s._flags;
// Copy the source's surface
create(s.w, s.h);
blitFrom(s);
setBounds(s.getBounds());
return *this;
}
/**
* Displays a message on-screen until either a mouse or keypress
*/
bool GfxSurface::displayText(const Common::String &msg, const Common::Point &pt) {
// Set up a new graphics manager
GfxManager gfxManager;
gfxManager.activate();
gfxManager._font._colors.background = 0;
gfxManager._font._colors.foreground = 7;
gfxManager._font.setFontNumber(2);
// Get the area for text display
Rect textRect;
gfxManager.getStringBounds(msg.c_str(), textRect, 200);
textRect.center(pt.x, pt.y);
// Make a backup copy of the area the text will occupy
Rect saveRect = textRect;
saveRect.collapse(-20, -8);
GfxSurface *savedArea = surfaceGetArea(gfxManager.getSurface(), saveRect);
// Display the text
gfxManager._font.writeLines(msg.c_str(), textRect, ALIGN_LEFT);
// Wait for a mouse or keypress
Event event;
while (!g_globals->_events.getEvent(event, EVENT_BUTTON_DOWN | EVENT_KEYPRESS) && !g_vm->shouldQuit())
;
// Restore the display area
gfxManager.copyFrom(*savedArea, saveRect.left, saveRect.top);
delete savedArea;
gfxManager.deactivate();
return (event.eventType == EVENT_KEYPRESS) && (event.kbd.keycode == Common::KEYCODE_RETURN);
}
/**
* Loads a quarter of a screen from a resource
*/
void GfxSurface::loadScreenSection(Graphics::ManagedSurface &dest, int xHalf, int yHalf, int xSection, int ySection) {
int screenNum = g_globals->_sceneManager._scene->_activeScreenNumber;
Rect updateRect(0, 0, 160, 100);
updateRect.translate(xHalf * 160, yHalf * 100);
int xHalfCount = (g_globals->_sceneManager._scene->_backgroundBounds.right + 159) / 160;
int yHalfCount = (g_globals->_sceneManager._scene->_backgroundBounds.bottom + 99) / 100;
if (xSection < xHalfCount && ySection < yHalfCount) {
int rlbNum = xSection * yHalfCount + ySection;
byte *data = g_resourceManager->getResource(RES_BITMAP, screenNum, rlbNum);
for (int y = 0; y < updateRect.height(); ++y) {
byte *pSrc = data + y * 160;
byte *pDest = (byte *)dest.getBasePtr(updateRect.left, updateRect.top + y);
for (int x = 0; x < updateRect.width(); ++x, ++pSrc, ++pDest) {
*pDest = *pSrc;
}
}
DEALLOCATE(data);
}
}
/**
* Returns an array indicating which pixels of a source image horizontally or vertically get
* included in a scaled image
*/
static int *scaleLine(int size, int srcSize) {
const int PRECISION_FACTOR = 1000;
int scale = PRECISION_FACTOR * size / srcSize;
assert(scale >= 0);
int *v = new int[size];
Common::fill(v, &v[size], -1);
int distCtr = PRECISION_FACTOR / 2;
int *destP = v;
for (int distIndex = 0; distIndex < srcSize; ++distIndex) {
distCtr += scale;
while (distCtr > PRECISION_FACTOR) {
assert(destP < &v[size]);
*destP++ = distIndex;
distCtr -= PRECISION_FACTOR;
}
}
return v;
}
/**
* Scales a passed surface, creating a new surface with the result
* @param srcImage Source image to scale
* @param NewWidth New width for scaled image
* @param NewHeight New height for scaled image
* @remarks Caller is responsible for freeing the returned surface
*/
static GfxSurface ResizeSurface(GfxSurface &src, int xSize, int ySize, int transIndex) {
GfxSurface s;
s.create(xSize, ySize);
Graphics::Surface srcImage = src.lockSurface();
Graphics::Surface destImage = s.lockSurface();
int *horizUsage = scaleLine(xSize, srcImage.w);
int *vertUsage = scaleLine(ySize, srcImage.h);
// Loop to create scaled version
for (int yp = 0; yp < ySize; ++yp) {
byte *destP = (byte *)destImage.getBasePtr(0, yp);
if (vertUsage[yp] == -1) {
Common::fill(destP, destP + xSize, transIndex);
} else {
const byte *srcP = (const byte *)srcImage.getBasePtr(0, vertUsage[yp]);
for (int xp = 0; xp < xSize; ++xp) {
if (horizUsage[xp] != -1) {
const byte *tempSrcP = srcP + horizUsage[xp];
*destP++ = *tempSrcP++;
} else {
// Pixel overrun at the end of the line
*destP++ = transIndex;
}
}
}
}
// Unlock surfaces
src.unlockSurface();
s.unlockSurface();
// Delete arrays and return surface
delete[] horizUsage;
delete[] vertUsage;
return s;
}
/**
* Copys an area from one GfxSurface to another.
*
*/
void GfxSurface::copyFrom(GfxSurface &src, Rect srcBounds, Rect destBounds,
Region *priorityRegion, const byte *shadowMap) {
GfxSurface srcImage;
if (srcBounds.isEmpty())
return;
if (srcBounds == src.getBounds())
srcImage = src;
else {
// Set the source image to be the subset specified by the source bounds
Graphics::Surface srcSurface = src.lockSurface();
srcImage.create(srcBounds.width(), srcBounds.height());
Graphics::Surface destSurface = srcImage.lockSurface();
const byte *srcP = (const byte *)srcSurface.getBasePtr(srcBounds.left, srcBounds.top);
byte *destP = (byte *)destSurface.getPixels();
for (int yp = srcBounds.top; yp < srcBounds.bottom; ++yp, srcP += srcSurface.pitch, destP += destSurface.pitch) {
Common::copy(srcP, srcP + srcBounds.width(), destP);
}
srcImage.unlockSurface();
src.unlockSurface();
}
if ((destBounds.width() != srcBounds.width()) || (destBounds.height() != srcBounds.height()))
srcImage = ResizeSurface(srcImage, destBounds.width(), destBounds.height(), src._transColor);
Graphics::Surface srcSurface = srcImage.lockSurface();
Graphics::Surface destSurface = lockSurface();
// Get clipping area
Rect clipRect = !_clipRect.isEmpty() ? _clipRect :
Rect(0, 0, destSurface.w, destSurface.h);
// Adjust bounds to ensure destination will be on-screen
int srcX = 0, srcY = 0;
if (destBounds.left < clipRect.left) {
srcX = clipRect.left - destBounds.left;
destBounds.left = clipRect.left;
}
if (destBounds.top < clipRect.top) {
srcY = clipRect.top - destBounds.top;
destBounds.top = clipRect.top;
}
if (destBounds.right > clipRect.right)
destBounds.right = clipRect.right;
if (destBounds.bottom > clipRect.bottom)
destBounds.bottom = clipRect.bottom;
if (destBounds.isValidRect() && !((destBounds.right < 0) || (destBounds.bottom < 0)
|| (destBounds.left >= destSurface.w) || (destBounds.top >= destSurface.h))) {
// Register the affected area as dirty
addDirtyRect(destBounds);
const byte *pSrc = (const byte *)srcSurface.getBasePtr(srcX, srcY);
byte *pDest = (byte *)destSurface.getBasePtr(destBounds.left, destBounds.top);
for (int y = 0; y < destBounds.height(); ++y, pSrc += srcSurface.pitch, pDest += destSurface.pitch) {
if (!priorityRegion && (src._transColor == -1))
Common::copy(pSrc, pSrc + destBounds.width(), pDest);
else {
const byte *tempSrc = pSrc;
byte *tempDest = pDest;
int xp = destBounds.left;
while (tempSrc < (pSrc + destBounds.width())) {
if (!priorityRegion || !priorityRegion->contains(Common::Point(
xp + g_globals->_sceneManager._scene->_sceneBounds.left,
destBounds.top + y + g_globals->_sceneManager._scene->_sceneBounds.top))) {
if (*tempSrc != src._transColor) {
if (shadowMap) {
// Using a shadow map, so translate the dest pixel using the mapping array
*tempDest = shadowMap[*tempDest];
} else {
// Otherwise, it's a standard pixel copy
*tempDest = *tempSrc;
}
}
}
++tempSrc;
++tempDest;
++xp;
}
}
}
}
unlockSurface();
srcImage.unlockSurface();
}
void GfxSurface::draw(const Common::Point &pt, Rect *rect) {
Rect tempRect = getBounds();
tempRect.translate(-_centroid.x, -_centroid.y);
tempRect.translate(pt.x, pt.y);
if (rect) {
// Only copy needed rect out without drawing
*rect = tempRect;
} else {
// Draw image
g_globals->gfxManager().copyFrom(*this, tempRect, NULL);
}
}
/*--------------------------------------------------------------------------*/
GfxElement::GfxElement() {
_owner = NULL;
_keycode = 0;
_flags = 0;
_fontNumber = 0;
_color1 = 0;
_color2 = 0;
_color3 = 0;
}
void GfxElement::setDefaults() {
_flags = 0;
_fontNumber = g_globals->_gfxFontNumber;
_colors = g_globals->_gfxColors;
_fontColors = g_globals->_fontColors;
_color1 = g_globals->_color1;
_color2 = g_globals->_color2;
_color3 = g_globals->_color3;
}
/**
* Highlights the specified graphics element
*/
void GfxElement::highlight() {
// Get a lock on the surface
GfxManager &gfxManager = g_globals->gfxManager();
Graphics::Surface surface = gfxManager.lockSurface();
// Scan through the contents of the element, switching any occurances of the foreground
// color with the background color and vice versa
Rect tempRect(_bounds);
tempRect.collapse(g_globals->_gfxEdgeAdjust - 1, g_globals->_gfxEdgeAdjust - 1);
Graphics::Surface dest = surface.getSubArea(tempRect);
for (int yp = 0; yp < dest.h; ++yp) {
byte *lineP = (byte *)dest.getBasePtr(0, yp);
for (int xp = 0; xp < tempRect.right; ++xp, ++lineP) {
if (*lineP == _colors.background) *lineP = _colors.foreground;
else if (*lineP == _colors.foreground) *lineP = _colors.background;
}
}
// Release the surface
gfxManager.unlockSurface();
}
/**
* Fills the background of the specified element with a border frame
*/
void GfxElement::drawFrame() {
// Get a lock on the surface and save the active font
GfxManager &gfxManager = g_globals->gfxManager();
gfxManager.lockSurface();
uint8 bgColor, fgColor;
if (_flags & GFXFLAG_THICK_FRAME) {
bgColor = 0;
fgColor = 0;
} else {
bgColor = _fontColors.background;
fgColor = _fontColors.foreground;
}
Rect tempRect = _bounds;
tempRect.collapse(g_globals->_gfxEdgeAdjust, g_globals->_gfxEdgeAdjust);
tempRect.collapse(-1, -1);
if (g_vm->getGameID() == GType_Ringworld2) {
// For Return to Ringworld, use palette shading
// Get the current palette and determining a shading translation list
ScenePalette tempPalette;
tempPalette.getPalette(0, 256);
int transList[256];
for (int i = 0; i < 256; ++i) {
uint r, g, b, v;
tempPalette.getEntry(i, &r, &g, &b);
v = ((r >> 1) + (g >> 1) + (b >> 1)) / 4;
transList[i] = tempPalette.indexOf(v, v, v);
}
// Loop through the surface area to replace each pixel
// with its proper shaded replacement
Graphics::Surface dest = gfxManager.getSurface().getSubArea(tempRect);
for (int y = 0; y < dest.h; ++y) {
byte *lineP = (byte *)dest.getBasePtr(0, y);
for (int x = 0; x < dest.w; ++x) {
*lineP = transList[*lineP];
lineP++;
}
}
// Draw the edge frame
// Outer frame border
dest.hLine(2, 0, dest.w - 2, 0);
dest.hLine(2, dest.h - 1, dest.w - 2, 0);
dest.vLine(0, 2, dest.h - 2, 0);
dest.vLine(tempRect.right, 2, dest.h - 2, 0);
*((byte *)dest.getBasePtr(1, 1)) = 0;
*((byte *)dest.getBasePtr(dest.w - 1, 1)) = 0;
*((byte *)dest.getBasePtr(1, dest.h - 1)) = 0;
*((byte *)dest.getBasePtr(dest.w - 1, dest.h - 1)) = 0;
// Inner frame border
dest.hLine(2, 1, dest.w - 2, R2_GLOBALS._frameEdgeColor);
dest.hLine(2, dest.h - 1, dest.w - 2, R2_GLOBALS._frameEdgeColor);
dest.vLine(1, 2, dest.h - 2, R2_GLOBALS._frameEdgeColor);
dest.vLine(dest.w - 1, 2, dest.h - 2, R2_GLOBALS._frameEdgeColor);
*((byte *)dest.getBasePtr(2, 2)) = R2_GLOBALS._frameEdgeColor;
*((byte *)dest.getBasePtr(dest.w - 2, 2)) = R2_GLOBALS._frameEdgeColor;
*((byte *)dest.getBasePtr(2, dest.h - 2)) = R2_GLOBALS._frameEdgeColor;
*((byte *)dest.getBasePtr(dest.w - 2, dest.h - 2)) = R2_GLOBALS._frameEdgeColor;
} else {
// Fill dialog content with specified background color
gfxManager.fillRect(tempRect, _colors.background);
--tempRect.bottom; --tempRect.right;
gfxManager.fillArea(tempRect.left, tempRect.top, bgColor);
gfxManager.fillArea(tempRect.left, tempRect.bottom, fgColor);
gfxManager.fillArea(tempRect.right, tempRect.top, fgColor);
gfxManager.fillArea(tempRect.right, tempRect.bottom, fgColor);
tempRect.collapse(-1, -1);
gfxManager.fillRect2(tempRect.left + 1, tempRect.top, tempRect.width() - 1, 1, bgColor);
gfxManager.fillRect2(tempRect.left, tempRect.top + 1, 1, tempRect.height() - 1, bgColor);
gfxManager.fillRect2(tempRect.left + 1, tempRect.bottom, tempRect.width() - 1, 1, fgColor);
gfxManager.fillRect2(tempRect.right, tempRect.top + 1, 1, tempRect.height() - 1, fgColor);
gfxManager.fillArea(tempRect.left, tempRect.top, 0);
gfxManager.fillArea(tempRect.left, tempRect.bottom, 0);
gfxManager.fillArea(tempRect.right, tempRect.top, 0);
gfxManager.fillArea(tempRect.right, tempRect.bottom, 0);
tempRect.collapse(-1, -1);
gfxManager.fillRect2(tempRect.left + 2, tempRect.top, tempRect.width() - 3, 1, 0);
gfxManager.fillRect2(tempRect.left, tempRect.top + 2, 1, tempRect.height() - 3, 0);
gfxManager.fillRect2(tempRect.left + 2, tempRect.bottom, tempRect.width() - 3, 1, 0);
gfxManager.fillRect2(tempRect.right, tempRect.top + 2, 1, tempRect.height() - 3, 0);
}
gfxManager.unlockSurface();
}
/**
* Handles events when the control has focus
*
* @event Event to process
*/
bool GfxElement::focusedEvent(Event &event) {
Common::Point mousePos = event.mousePos;
bool highlightFlag = false;
// HACK: It should use the GfxManager object to figure out the relative
// position, but for now this seems like the easiest way.
int xOffset = mousePos.x - g_globals->_events._mousePos.x;
int yOffset = mousePos.y - g_globals->_events._mousePos.y;
while (event.eventType != EVENT_BUTTON_UP && !g_vm->shouldQuit()) {
g_system->delayMillis(10);
if (_bounds.contains(mousePos)) {
if (!highlightFlag) {
// First highlight call to show the highlight
highlightFlag = true;
highlight();
}
} else if (highlightFlag) {
// Mouse is outside the element, so remove the highlight
highlightFlag = false;
highlight();
}
if (g_globals->_events.getEvent(event, EVENT_MOUSE_MOVE | EVENT_BUTTON_UP)) {
if (event.eventType == EVENT_MOUSE_MOVE) {
mousePos.x = event.mousePos.x + xOffset;
mousePos.y = event.mousePos.y + yOffset;
}
}
}
if (highlightFlag) {
// Mouse is outside the element, so remove the highlight
highlight();
}
return highlightFlag;
}
/*--------------------------------------------------------------------------*/
GfxImage::GfxImage() : GfxElement() {
_resNum = 0;
_rlbNum = 0;
_cursorNum = 0;
}
void GfxImage::setDetails(int resNum, int rlbNum, int cursorNum) {
_resNum = resNum;
_rlbNum = rlbNum;
_cursorNum = cursorNum;
setDefaults();
}
void GfxImage::setDefaults() {
GfxElement::setDefaults();
// Decode the image
uint size;
byte *imgData = g_resourceManager->getSubResource(_resNum, _rlbNum, _cursorNum, &size);
_surface = surfaceFromRes(imgData);
DEALLOCATE(imgData);
// Set up the display bounds
Rect imgBounds = _surface.getBounds();
imgBounds.moveTo(_bounds.left, _bounds.top);
_bounds = imgBounds;
}
void GfxImage::draw() {
Rect tempRect = _bounds;
tempRect.translate(g_globals->gfxManager()._topLeft.x, g_globals->gfxManager()._topLeft.y);
g_globals->gfxManager().copyFrom(_surface, tempRect);
}
/*--------------------------------------------------------------------------*/
GfxMessage::GfxMessage() : GfxElement() {
_textAlign = ALIGN_LEFT;
_width = 0;
}
void GfxMessage::set(const Common::String &s, int width, TextAlign textAlign) {
_message = s;
_width = width;
_textAlign = textAlign;
setDefaults();
}
void GfxMessage::setDefaults() {
GfxElement::setDefaults();
GfxFontBackup font;
GfxManager &gfxManager = g_globals->gfxManager();
Rect tempRect;
gfxManager._font.setFontNumber(this->_fontNumber);
gfxManager.getStringBounds(_message.c_str(), tempRect, _width);
tempRect.collapse(-1, -1);
tempRect.moveTo(_bounds.left, _bounds.top);
_bounds = tempRect;
}
void GfxMessage::draw() {
GfxFontBackup font;
GfxManager &gfxManager = g_globals->gfxManager();
// Set the font and color
gfxManager.setFillFlag(false);
gfxManager._font.setFontNumber(_fontNumber);
gfxManager._font._colors.foreground = this->_color1;
gfxManager._font._colors2.background = this->_color2;
gfxManager._font._colors2.foreground = this->_color3;
// Display the text
gfxManager._font.writeLines(_message.c_str(), _bounds, _textAlign);
}
/*--------------------------------------------------------------------------*/
void GfxButton::setDefaults() {
GfxElement::setDefaults();
GfxFontBackup font;
GfxManager &gfxManager = g_globals->gfxManager();
Rect tempRect;
// Get the string bounds and round up the x end to a multiple of 16
gfxManager._font.setFontNumber(this->_fontNumber);
gfxManager._font.getStringBounds(_message.c_str(), tempRect, 240);
tempRect.right = ((tempRect.right + 15) / 16) * 16;
// Set the button bounds
tempRect.collapse(-g_globals->_gfxEdgeAdjust, -g_globals->_gfxEdgeAdjust);
if (g_vm->getFeatures() & GF_CD)
--tempRect.top;
tempRect.moveTo(_bounds.left, _bounds.top);
_bounds = tempRect;
}
void GfxButton::draw() {
// Get a lock on the surface and save the active font
GfxFontBackup font;
GfxManager &gfxManager = g_globals->gfxManager();
gfxManager.lockSurface();
// Draw a basic frame for the button
drawFrame();
// Set the font and color
gfxManager._font.setFontNumber(_fontNumber);
//
gfxManager._font._colors.foreground = this->_color1;
gfxManager._font._colors2.background = this->_color2;
gfxManager._font._colors2.foreground = this->_color3;
// Display the button's text
Rect tempRect(_bounds);
tempRect.collapse(g_globals->_gfxEdgeAdjust, g_globals->_gfxEdgeAdjust);
if (g_vm->getFeatures() & GF_CD)
++tempRect.top;
gfxManager._font.writeLines(_message.c_str(), tempRect, ALIGN_CENTER);
gfxManager.unlockSurface();
}
bool GfxButton::process(Event &event) {
switch (event.eventType) {
case EVENT_BUTTON_DOWN:
if (!event.handled) {
if (_bounds.contains(event.mousePos)) {
bool result = focusedEvent(event);
event.handled = true;
return result;
}
}
break;
case EVENT_KEYPRESS:
if (!event.handled && (event.kbd.keycode == _keycode)) {
// Highlight the button momentarily
highlight();
g_system->delayMillis(20);
highlight();
event.handled = true;
return true;
}
default:
break;
}
return false;
}
/*--------------------------------------------------------------------------*/
GfxDialog::GfxDialog() {
_savedArea = NULL;
_defaultButton = NULL;
}
GfxDialog::~GfxDialog() {
remove();
}
void GfxDialog::setDefaults() {
GfxElement::setDefaults();
// Initialize the embedded graphics manager
_gfxManager.setDefaults();
// Figure out a rect needed for all the added elements
GfxElementList::iterator i;
Rect tempRect;
for (i = _elements.begin(); i != _elements.end(); ++i)
tempRect.extend((*i)->_bounds);
// Set the dialog boundaries
_gfxManager._bounds = tempRect;
tempRect.collapse(-g_globals->_gfxEdgeAdjust * 2, -g_globals->_gfxEdgeAdjust * 2);
_bounds = tempRect;
}
void GfxDialog::remove() {
if (_savedArea) {
// Restore the area the dialog covered
g_globals->_gfxManagerInstance.copyFrom(*_savedArea, _bounds.left, _bounds.top);
delete _savedArea;
_savedArea = NULL;
}
}
void GfxDialog::draw() {
Rect tempRect(_bounds);
// Make a backup copy of the area the dialog will occupy
_savedArea = surfaceGetArea(g_globals->_gfxManagerInstance.getSurface(), _bounds);
// Set the palette for use in the dialog
setPalette();
_gfxManager.activate();
// Fill in the contents of the entire dialog
_gfxManager._bounds = Rect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
drawFrame();
// Reset the dialog's graphics manager to only draw within the dialog boundaries
tempRect.translate(g_globals->_gfxEdgeAdjust * 2, g_globals->_gfxEdgeAdjust * 2);
_gfxManager._bounds = tempRect;
// Draw each element in the dialog in order
GfxElementList::iterator i;
for (i = _elements.begin(); i != _elements.end(); ++i) {
(*i)->draw();
}
// If there's a default button, then draw it
if (_defaultButton) {
_defaultButton->_flags |= GFXFLAG_THICK_FRAME;
_defaultButton->draw();
}
_gfxManager.deactivate();
}
void GfxDialog::add(GfxElement *element) {
_elements.push_back(element);
element->_owner = this;
}
void GfxDialog::addElements(GfxElement *ge, ...) {
va_list va;
va_start(va, ge);
GfxElement *gfxElement = ge;
while (gfxElement) {
add(gfxElement);
gfxElement = va_arg(va, GfxElement *);
}
va_end(va);
}
void GfxDialog::setTopLeft(int xp, int yp) {
_bounds.moveTo(xp - g_globals->_gfxEdgeAdjust * 2, yp - g_globals->_gfxEdgeAdjust * 2);
}
void GfxDialog::setCenter(int xp, int yp) {
setTopLeft(xp - (_bounds.width() / 2), yp - (_bounds.height() / 2));
}
GfxButton *GfxDialog::execute(GfxButton *defaultButton) {
_gfxManager.activate();
if (defaultButton != _defaultButton) {
if (_defaultButton) {
_defaultButton->_flags &= ~GFXFLAG_THICK_FRAME;
_defaultButton->draw();
}
_defaultButton = defaultButton;
}
if (_defaultButton) {
_defaultButton->_flags |= GFXFLAG_THICK_FRAME;
_defaultButton->draw();
}
// Event loop
GfxButton *selectedButton = NULL;
bool breakFlag = false;
while (!g_vm->shouldQuit() && !breakFlag) {
Event event;
while (g_globals->_events.getEvent(event) && !breakFlag) {
// Adjust mouse positions to be relative within the dialog
event.mousePos.x -= _gfxManager._bounds.left;
event.mousePos.y -= _gfxManager._bounds.top;
for (GfxElementList::iterator i = _elements.begin(); i != _elements.end(); ++i) {
if ((*i)->process(event))
selectedButton = static_cast<GfxButton *>(*i);
}
if (selectedButton) {
breakFlag = true;
break;
} else if (!event.handled) {
if ((event.eventType == EVENT_KEYPRESS) && (event.kbd.keycode == Common::KEYCODE_ESCAPE)) {
selectedButton = NULL;
breakFlag = true;
break;
} else if ((event.eventType == EVENT_KEYPRESS) && (event.kbd.keycode == Common::KEYCODE_RETURN)) {
selectedButton = defaultButton;
breakFlag = true;
break;
} else if (event.eventType == EVENT_KEYPRESS && handleKeypress(event, selectedButton)) {
breakFlag = true;
}
}
}
g_system->delayMillis(10);
GLOBALS._screen.update();
}
_gfxManager.deactivate();
if (_defaultButton)
_defaultButton->_flags &= ~GFXFLAG_THICK_FRAME;
return selectedButton;
}
void GfxDialog::setPalette() {
if (g_vm->getGameID() != GType_Ringworld) {
if (g_vm->getGameID() == GType_BlueForce)
g_globals->_scenePalette.loadPalette(2);
g_globals->_scenePalette.setPalette(0, 1);
g_globals->_scenePalette.setPalette(g_globals->_gfxColors.background, 1);
g_globals->_scenePalette.setPalette(g_globals->_gfxColors.foreground, 1);
g_globals->_scenePalette.setPalette(g_globals->_fontColors.background, 1);
g_globals->_scenePalette.setPalette(g_globals->_fontColors.foreground, 1);
g_globals->_scenePalette.setEntry(255, 0xff, 0xff, 0xff);
g_globals->_scenePalette.setPalette(255, 1);
} else {
g_globals->_scenePalette.loadPalette(0);
g_globals->_scenePalette.setPalette(0, 1);
g_globals->_scenePalette.setPalette(g_globals->_scenePalette._colors.foreground, 1);
g_globals->_scenePalette.setPalette(g_globals->_fontColors.background, 1);
g_globals->_scenePalette.setPalette(g_globals->_fontColors.foreground, 1);
g_globals->_scenePalette.setPalette(255, 1);
}
}
/*--------------------------------------------------------------------------*/
GfxManager::GfxManager() : _surface(g_globals->_screen), _oldManager(NULL) {
_font.setOwner(this);
_font._fillFlag = false;
_bounds = Rect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
}
GfxManager::GfxManager(GfxSurface &s) : _surface(s), _oldManager(NULL) {
_font.setOwner(this);
_font._fillFlag = false;
}
void GfxManager::setDefaults() {
Rect screenBounds(0, 0, g_system->getWidth(), g_system->getHeight());
_surface.setBounds(screenBounds);
_bounds = screenBounds;
_pane0Rect4 = screenBounds;
_font._edgeSize = Common::Point(1, 1);
_font._colors = g_globals->_fontColors;
if (g_globals->_gfxFontNumber >= 0)
_font.setFontNumber(g_globals->_gfxFontNumber);
}
void GfxManager::activate() {
assert(!contains(g_globals->_gfxManagers, this));
g_globals->_gfxManagers.push_front(this);
}
void GfxManager::deactivate() {
// Assert that there will still be another manager, and we're correctly removing our own
assert((g_globals->_gfxManagers.size() > 1) && (&g_globals->gfxManager() == this));
g_globals->_gfxManagers.pop_front();
}
int GfxManager::getStringWidth(const char *s, int numChars) {
return _font.getStringWidth(s, numChars);
}
int GfxManager::getStringWidth(const char *s) {
return _font.getStringWidth(s);
}
void GfxManager::getStringBounds(const char *s, Rect &bounds, int maxWidth) {
_font.getStringBounds(s, bounds, maxWidth);
}
void GfxManager::fillArea(int xp, int yp, int color) {
_surface.setBounds(_bounds);
Rect tempRect(xp, yp, xp + _font._edgeSize.x, yp + _font._edgeSize.y);
_surface.fillRect(tempRect, color);
}
void GfxManager::fillRect(const Rect &bounds, int color) {
_surface.setBounds(_bounds);
_surface.fillRect(bounds, color);
}
void GfxManager::fillRect2(int xs, int ys, int width, int height, int color) {
_surface.setBounds(_bounds);
_surface.fillRect(Rect(xs, ys, xs + width, ys + height), color);
}
/**
* Sets up the standard palette for dialog displays
*/
void GfxManager::setDialogPalette() {
// Get the main palette information
byte palData[256 * 3];
uint count, start;
g_resourceManager->getPalette(0, &palData[0], &start, &count);
g_system->getPaletteManager()->setPalette(&palData[0], start, count);
// Miscellaneous
uint32 white = 0xffffffff;
g_system->getPaletteManager()->setPalette((const byte *)&white, 255, 1);
}
/**
* Returns the angle of line connecting two points
*/
int GfxManager::getAngle(const Common::Point &p1, const Common::Point &p2) {
int xDiff = p2.x - p1.x, yDiff = p1.y - p2.y;
if (!xDiff && !yDiff)
return -1;
else if (!xDiff)
return (p2.y >= p1.y) ? 180 : 0;
else if (!yDiff)
return (p2.x >= p1.x) ? 90 : 270;
else {
int result = (((xDiff * 100) / ((abs(xDiff) + abs(yDiff))) * 90) / 100);
if (yDiff < 0)
result = 180 - result;
else if (xDiff < 0)
result += 360;
return result;
}
}
void GfxManager::copyFrom(GfxSurface &src, Rect destBounds, Region *priorityRegion) {
_surface.setBounds(_bounds);
_surface.copyFrom(src, destBounds, priorityRegion);
}
void GfxManager::copyFrom(GfxSurface &src, int destX, int destY) {
_surface.setBounds(_bounds);
_surface.copyFrom(src, destX, destY);
}
void GfxManager::copyFrom(GfxSurface &src, const Rect &srcBounds, const Rect &destBounds) {
_surface.setBounds(_bounds);
_surface.copyFrom(src, srcBounds, destBounds);
}
/*--------------------------------------------------------------------------*/
GfxFont::GfxFont() {
if ((g_vm->getGameID() == GType_Ringworld) && (g_vm->getFeatures() & GF_DEMO))
_fontNumber = 0;
else
_fontNumber = 50;
_numChars = 0;
_bpp = 0;
_fontData = NULL;
_fillFlag = false;
_gfxManager = nullptr;
}
GfxFont::~GfxFont() {
DEALLOCATE(_fontData);
}
/**
* Sets the current active font number
*
* @fontNumber New font number
*/
void GfxFont::setFontNumber(uint32 fontNumber) {
if ((_fontNumber == fontNumber) && (_fontData))
return;
DEALLOCATE(_fontData);
_fontNumber = fontNumber;
_fontData = g_resourceManager->getResource(RES_FONT, _fontNumber, 0, true);
if (!_fontData)
_fontData = g_resourceManager->getResource(RES_FONT, _fontNumber, 0);
// Since some TsAGE game versions don't have a valid character count at offset 4, use the offset of the
// first charactre data to calculate the number of characters in the offset table preceeding it
_numChars = (READ_LE_UINT32(_fontData + 12) - 12) / 4;
assert(_numChars <= 256);
_fontSize.y = READ_LE_UINT16(_fontData + 6);
_fontSize.x = READ_LE_UINT16(_fontData + 8);
_bpp = READ_LE_UINT16(_fontData + 10);
}
/**
* Returns the width of the given specified character
*
* @ch Character to return width of
*/
int GfxFont::getCharWidth(char ch) {
assert(_numChars > 0);
uint32 charOffset = READ_LE_UINT32(_fontData + 12 + (uint8)ch * 4);
return _fontData[charOffset] & 0x1f;
}
/**
* Returns the width of the given string in the current font
*
* @s String to return the width of
* @numChars Number of characters within the string to use
*/
int GfxFont::getStringWidth(const char *s, int numChars) {
assert(_numChars > 0);
int width = 0;
for (; numChars > 0; --numChars, ++s) {
uint32 charOffset = READ_LE_UINT32(_fontData + 12 + (uint8)*s * 4);
int charWidth = _fontData[charOffset] & 0x1f;
width += charWidth;
}
return width;
}
/**
* Returns the width of the given string in the current font
*
* @s String to return the width of
*/
int GfxFont::getStringWidth(const char *s) {
return getStringWidth(s, strlen(s));
}
/**
* Returns the maximum number of characters for words that will fit into a given width
*
* @s Message to be analyzed
* @maxWidth Maximum allowed width
*/
int GfxFont::getStringFit(const char *&s, int maxWidth) {
const char *nextWord = NULL;
const char *sStart = s;
int numChars = 1;
char nextChar;
for (;;) {
nextChar = *s++;
if ((nextChar == '\r') || (nextChar == '\0'))
break;
// Check if it's a word end
if (nextChar == ' ') {
nextWord = s;
}
int strWidth = getStringWidth(sStart, numChars);
if (strWidth > maxWidth) {
if (nextWord) {
s = nextWord;
nextChar = ' ';
}
break;
}
++numChars;
}
int totalChars = s - sStart;
if (nextChar == '\0')
--s;
if ((nextChar == ' ') || (nextChar == '\r') || (nextChar == '\0'))
--totalChars;
return totalChars;
}
/**
* Fills out the passed rect with the dimensions of a given string word-wrapped to a
* maximum specified width
*
* @s Message to be analyzed
* @bounds Rectangle to put output size into
* @maxWidth Maximum allowed line width in pixels
*/
void GfxFont::getStringBounds(const char *s, Rect &bounds, int maxWidth) {
if (maxWidth == 0) {
// No maximum width, so set bounds for a single line
bounds.set(0, 0, getStringWidth(s), getHeight());
} else {
int numLines = 0;
int lineWidth = 0;
// Loop to figure out the number of lines required, and the maximum line width
while (*s) {
const char *msg = s;
int numChars = getStringFit(msg, maxWidth);
lineWidth = MAX(lineWidth, getStringWidth(s, numChars));
s = msg;
++numLines;
}
bounds.set(0, 0, lineWidth, numLines * getHeight());
}
}
/**
* Writes out a character at the currently set position using the active font
*
* @ch Character to display
*/
int GfxFont::writeChar(const char ch) {
assert((_fontData != NULL) && ((uint8)ch < _numChars));
uint32 charOffset = READ_LE_UINT32(_fontData + 12 + (uint8)ch * 4);
int charWidth = _fontData[charOffset] & 0x1f;
int charHeight = (READ_LE_UINT16(_fontData + charOffset) >> 5) & 0x3f;
int yOffset = (_fontData[charOffset + 1] >> 3) & 0x1f;
const uint8 *dataP = &_fontData[charOffset + 2];
Rect charRect;
charRect.set(0, 0, charWidth, _fontSize.y);
charRect.translate(_topLeft.x + _position.x, _topLeft.y + _position.y + yOffset);
// Get the sub-section of the screen to update
Graphics::Surface dest = _gfxManager->getSurface().getSubArea(charRect);
if (_fillFlag)
dest.fillRect(charRect, _colors.background);
charRect.bottom = charRect.top + charHeight;
assert(charRect.height() <= dest.h);
// Display the character
int bitCtr = 0;
uint8 v = 0;
for (int yp = 0; yp < charHeight; ++yp) {
byte *destP = (byte *)dest.getBasePtr(0, yp);
for (int xs = 0; xs < charRect.width(); ++xs, ++destP) {
// Get the next color index to use
if ((bitCtr % 8) == 0) v = *dataP++;
int colIndex = 0;
for (int subCtr = 0; subCtr < _bpp; ++subCtr, ++bitCtr) {
colIndex = (colIndex << 1) | (v & 0x80 ? 1 : 0);
v <<= 1;
}
switch (colIndex) {
//case 0: *destP = _colors.background; break;
case 1: *destP = _colors.foreground; break;
case 2: *destP = _colors2.background; break;
case 3: *destP = _colors2.foreground; break;
}
}
}
// Move the text writing position
_position.x += charWidth;
return charWidth;
}
/**
* Writes the specified number of characters from the specified string at the current text position
*
* @s String to display
* @numChars Number of characters to print
*/
void GfxFont::writeString(const char *s, int numChars) {
// Lock the surface for access
_gfxManager->lockSurface();
while ((numChars-- > 0) && (*s != '\0')) {
writeChar(*s);
++s;
}
// Release the surface lock
_gfxManager->unlockSurface();
}
/**
* Writes the the specified string at the current text position
*
* @s String to display
*/
void GfxFont::writeString(const char *s) {
writeString(s, strlen(s));
}
/**
* Writes a specified string within a given area with support for word wrapping and text alignment types
*
* @s String to display
* @bounds Bounds to display the text within
* @align Text alignment mode
*/
void GfxFont::writeLines(const char *s, const Rect &bounds, TextAlign align) {
int lineNum = 0;
// Lock the surface for access
_gfxManager->lockSurface();
while (*s) {
const char *msgP = s;
int numChars = getStringFit(msgP, bounds.width());
_position.y = bounds.top + lineNum * getHeight();
switch (align) {
case ALIGN_RIGHT:
// Right aligned text
_position.x = bounds.right - getStringWidth(s, numChars);
writeString(s, numChars);
break;
case ALIGN_CENTER:
// Center aligned text
_position.x = bounds.left + (bounds.width() / 2) - (getStringWidth(s, numChars) / 2);
writeString(s, numChars);
break;
case ALIGN_JUSTIFIED: {
// Justified text
// Get the number of words in the string portion
int charCtr = 0, numWords = 0;
while (charCtr < numChars) {
if (s[charCtr] == ' ')
++numWords;
++charCtr;
}
// If end of string, count final word
if (*msgP == '\0')
++numWords;
// Display the words of the string
int spareWidth = bounds.width() - getStringWidth(s, numChars);
charCtr = 0;
_position.x = bounds.left;
while (charCtr < numChars) {
writeChar(s[charCtr]);
if ((numWords > 0) && (s[charCtr] == ' ')) {
int separationWidth = spareWidth / numWords;
spareWidth -= separationWidth;
--numWords;
_position.x += separationWidth;
}
++charCtr;
}
break;
}
case ALIGN_LEFT:
default:
// Standard text
_position.x = bounds.left;
writeString(s, numChars);
break;
}
// Next line
s = msgP;
++lineNum;
}
// Release the surface lock
_gfxManager->unlockSurface();
}
/*--------------------------------------------------------------------------*/
GfxFontBackup::GfxFontBackup() {
_edgeSize = g_globals->gfxManager()._font._edgeSize;
_position = g_globals->gfxManager()._font._position;
_colors = g_globals->gfxManager()._font._colors;
_fontNumber = g_globals->gfxManager()._font._fontNumber;
}
GfxFontBackup::~GfxFontBackup() {
g_globals->gfxManager()._font.setFontNumber(_fontNumber);
g_globals->gfxManager()._font._edgeSize = _edgeSize;
g_globals->gfxManager()._font._position = _position;
g_globals->gfxManager()._font._colors = _colors;
}
} // End of namespace TsAGE
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