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scummvm/engines/avalanche/graphics.cpp
Strangerke da2ddbb8f4 AVALANCHE: Fix 3 issues reported by Coverity.
2013-10-25 22:40:09 +02:00

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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 the original source code of Lord Avalot d'Argent version 1.3.
* Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
*/
#include "avalanche/avalanche.h"
#include "avalanche/graphics.h"
#include "engines/util.h"
#include "graphics/palette.h"
namespace Avalanche {
const byte GraphicManager::kEgaPaletteIndex[16] = {0, 1, 2, 3, 4, 5, 20, 7, 56, 57, 58, 59, 60, 61, 62, 63};
const MouseHotspotType GraphicManager::kMouseHotSpots[9] = {
{8,0}, // 0 - up-arrow
{0,0}, // 1 - screwdriver
{15,6}, // 2 - right-arrow
{0,0}, // 3 - fletch
{8,7}, // 4 - hourglass
{4,0}, // 5 - TTHand
{8,5}, // 6 - Mark's crosshairs
{8,7}, // 7 - I-beam
{0,0} // 8 - question mark
};
GraphicManager::GraphicManager(AvalancheEngine *vm) {
_vm = vm;
setDialogColor(kColorBlack, kColorWhite);
}
GraphicManager::~GraphicManager() {
_surface.free();
_magics.free();
_background.free();
_screen.free();
_scrolls.free();
_backup.free();
for (int i = 0; i < 10; i++)
_digits[i].free();
for (int i = 0; i < 9; i++)
_directions[i].free();
}
void GraphicManager::init() {
initGraphics(kScreenWidth, kScreenHeight * 2, true); // Doubling the height.
for (int i = 0; i < 64; ++i) {
_egaPalette[i][0] = (i >> 2 & 1) * 0xaa + (i >> 5 & 1) * 0x55;
_egaPalette[i][1] = (i >> 1 & 1) * 0xaa + (i >> 4 & 1) * 0x55;
_egaPalette[i][2] = (i & 1) * 0xaa + (i >> 3 & 1) * 0x55;
}
for (int i = 0; i < 16; i++)
g_system->getPaletteManager()->setPalette(_egaPalette[kEgaPaletteIndex[i]], i, 1);
// Set the "flesh colors":
g_system->getPaletteManager()->setPalette(_egaPalette[39], 13, 1);
g_system->getPaletteManager()->setPalette(_egaPalette[28], 5, 1);
_surface.create(kScreenWidth, kScreenHeight, Graphics::PixelFormat::createFormatCLUT8());
_magics.create(kScreenWidth, kScreenHeight, Graphics::PixelFormat::createFormatCLUT8());
_screen.create(kScreenWidth, kScreenHeight * 2, Graphics::PixelFormat::createFormatCLUT8());
_scrolls.create(kScreenWidth, kScreenHeight, Graphics::PixelFormat::createFormatCLUT8());
}
/**
* Load the scoring digits & rwlites
* @remarks Originally called 'load_digits'
*/
void GraphicManager::loadDigits() {
const byte digitsize = 134;
const byte rwlitesize = 126;
Common::File file;
if (!file.open("digit.avd"))
error("AVALANCHE: File not found: digit.avd");
for (int i = 0; i < 10; i++) {
file.seek(i * digitsize);
_digits[i] = loadPictureGraphic(file);
}
for (int i = 0; i < 9; i++) {
file.seek(10 * digitsize + i * rwlitesize);
_directions[i] = loadPictureGraphic(file);
}
file.close();
}
void GraphicManager::loadMouse(byte which) {
if (which == _vm->_currentMouse)
return;
_vm->_currentMouse = which;
Common::File f;
if (!f.open("mice.avd"))
error("AVALANCHE: Gyro: File not found: mice.avd");
Graphics::Surface cursor;
cursor.create(16, 32, Graphics::PixelFormat::createFormatCLUT8());
cursor.fillRect(Common::Rect(0, 0, 16, 32), 255);
// The AND mask.
f.seek(kMouseSize * 2 * which + 134);
Graphics::Surface mask = loadPictureGraphic(f);
for (int j = 0; j < mask.h; j++) {
for (int i = 0; i < mask.w; i++) {
byte pixel = *(byte *)mask.getBasePtr(i, j);
if (pixel == 0) {
*(byte *)cursor.getBasePtr(i, j * 2 ) = 0;
*(byte *)cursor.getBasePtr(i, j * 2 + 1) = 0;
}
}
}
mask.free();
// The OR mask.
f.seek(kMouseSize * 2 * which + 134 * 2);
mask = loadPictureGraphic(f);
for (int j = 0; j < mask.h; j++) {
for (int i = 0; i < mask.w; i++) {
byte pixel = *(byte *)mask.getBasePtr(i, j);
if (pixel != 0) {
*(byte *)cursor.getBasePtr(i, j * 2 ) = pixel;
*(byte *)cursor.getBasePtr(i, j * 2 + 1) = pixel;
}
}
}
mask.free();
f.close();
CursorMan.replaceCursor(cursor.getPixels(), 16, 32, kMouseHotSpots[which]._horizontal, kMouseHotSpots[which]._vertical * 2, 255, false);
cursor.free();
}
void GraphicManager::drawThinkPic(Common::String filename, int id) {
static const int16 picSize = 966;
Common::File file;
if (!file.open(filename))
error("drawThinkPic(): File not found: %s", filename.c_str());
file.seek(id * picSize + 65);
Graphics::Surface picture = loadPictureGraphic(file);
drawPicture(_surface, picture, 205, 170);
picture.free();
file.close();
}
void GraphicManager::drawToolbar() {
Common::File file;
if (!file.open("useful.avd"))
error("drawToolbar(): File not found: useful.avd");
file.seek(40);
CursorMan.showMouse(false);
Graphics::Surface picture = loadPictureGraphic(file);
drawPicture(_surface, picture, 5, 169);
CursorMan.showMouse(true);
picture.free();
file.close();
}
Common::Point GraphicManager::drawArc(Graphics::Surface &surface, int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, Color color) {
Common::Point endPoint;
const float convfac = M_PI / 180.0;
int32 xRadius = radius;
int32 yRadius = radius * kScreenWidth / (8 * kScreenHeight); // Just don't ask why...
if (xRadius == 0)
xRadius++;
if (yRadius == 0)
yRadius++;
// Check for an ellipse with negligable x and y radius.
if ((xRadius <= 1) && (yRadius <= 1)) {
*(byte *)_scrolls.getBasePtr(x, y) = color;
endPoint.x = x;
endPoint.y = y;
return endPoint;
}
// Check if valid angles.
stAngle = stAngle % 361;
endAngle = endAngle % 361;
// If impossible angles, then swap them!
if (endAngle < stAngle) {
uint16 tmpAngle=endAngle;
endAngle=stAngle;
stAngle=tmpAngle;
}
// Approximate the number of pixels required by using the circumference equation of an ellipse.
uint16 numOfPixels = (uint16)floor(sqrt(3.0) * sqrt(pow(double(xRadius), 2) + pow(double(yRadius), 2)) + 0.5);
// Calculate the angle precision required.
float delta = 90.0 / numOfPixels;
// Always just go over the first 90 degrees. Could be optimized a
// bit if startAngle and endAngle lie in the same quadrant, left as an
// exercise for the reader. :)
float j = 0;
// Calculate stop position, go 1 further than 90 because otherwise 1 pixel is sometimes not drawn.
uint16 deltaEnd = 91;
// Set the end point.
float tempTerm = endAngle * convfac;
endPoint.x = (int16)floor(xRadius * cos(tempTerm) + 0.5) + x;
endPoint.y = (int16)floor(yRadius * sin(tempTerm + M_PI) + 0.5) + y;
// Calculate points.
int16 xNext = xRadius;
int16 yNext = 0;
do {
int16 xTemp = xNext;
int16 yTemp = yNext;
// This is used by both sin and cos.
tempTerm = (j + delta) * convfac;
xNext = (int16)floor(xRadius * cos(tempTerm) + 0.5);
yNext = (int16)floor(yRadius * sin(tempTerm + M_PI) + 0.5);
int16 xp = x + xTemp;
int16 xm = x - xTemp;
int16 yp = y + yTemp;
int16 ym = y - yTemp;
if ((j >= stAngle) && (j <= endAngle))
*(byte *)_scrolls.getBasePtr(xp, yp) = color;
if (((180 - j) >= stAngle) && ((180 - j) <= endAngle))
*(byte *)_scrolls.getBasePtr(xm, yp) = color;
if (((j + 180) >= stAngle) && ((j + 180) <= endAngle))
*(byte *)_scrolls.getBasePtr(xm, ym) = color;
if (((360 - j) >= stAngle) && ((360 - j) <= endAngle))
*(byte *)_scrolls.getBasePtr(xp, ym) = color;
j += delta;
} while (j <= deltaEnd);
return endPoint;
}
Common::Point GraphicManager::drawScreenArc(int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, Color color) {
return drawArc(_surface, x, y, stAngle, endAngle, radius, color);
}
void GraphicManager::drawPieSlice(int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, Color color) {
while (radius > 0)
drawArc(_scrolls, x, y, stAngle, endAngle, radius--, color);
}
void GraphicManager::drawTriangle(Common::Point *p, Color color) {
// Draw the borders with a marking color.
_scrolls.drawLine(p[0].x, p[0].y, p[1].x, p[1].y, 255);
_scrolls.drawLine(p[1].x, p[1].y, p[2].x, p[2].y, 255);
_scrolls.drawLine(p[2].x, p[2].y, p[0].x, p[0].y, 255);
// Get the top and the bottom of the triangle.
uint16 maxY = p[0].y, minY = p[0].y;
for (int i = 1; i < 3; i++) {
if (p[i].y < minY)
minY = p[i].y;
if (p[i].y > maxY)
maxY = p[i].y;
}
// Fill the triangle.
for (uint16 y = minY; y <= maxY; y++) {
uint16 x = 0;
while (*(byte *)_scrolls.getBasePtr(x, y) != 255)
x++;
uint16 minX = x;
uint16 maxX = x;
x++;
while ((*(byte *)_scrolls.getBasePtr(x, y) != 255) && (x != 639))
x++;
if (x != 639)
maxX = x;
if (minX != maxX)
_scrolls.drawLine(minX, y, maxX, y, color);
}
// Redraw the borders with the actual color.
_scrolls.drawLine(p[0].x, p[0].y, p[1].x, p[1].y, color);
_scrolls.drawLine(p[1].x, p[1].y, p[2].x, p[2].y, color);
_scrolls.drawLine(p[2].x, p[2].y, p[0].x, p[0].y, color);
}
void GraphicManager::drawText(Graphics::Surface &surface, const Common::String text, FontType font, byte fontHeight, int16 x, int16 y, Color color) {
for (uint i = 0; i < text.size(); i++) {
for (int j = 0; j < fontHeight; j++) {
byte pixel = font[(byte)text[i]][j];
for (int bit = 0; bit < 8; bit++) {
byte pixelBit = (pixel >> bit) & 1;
if (pixelBit)
*(byte *)surface.getBasePtr(x + i * 8 + 7 - bit, y + j) = color;
}
}
}
}
void GraphicManager::drawNormalText(const Common::String text, FontType font, byte fontHeight, int16 x, int16 y, Color color) {
drawText(_surface, text, font, fontHeight, x, y, color);
}
void GraphicManager::drawScrollText(const Common::String text, FontType font, byte fontHeight, int16 x, int16 y, Color color) {
drawText(_scrolls, text, font, fontHeight, x, y, color);
}
void GraphicManager::drawDigit(int index, int x, int y) {
drawPicture(_surface, _digits[index], x, y);
}
void GraphicManager::drawDirection(int index, int x, int y) {
drawPicture(_surface, _directions[index], x, y);
}
void GraphicManager::drawScrollShadow(int16 x1, int16 y1, int16 x2, int16 y2) {
for (byte i = 0; i < 2; i ++) {
_scrolls.fillRect(Common::Rect(x1 + i, y1 + i, x1 + i + 1, y2 - i), kColorWhite);
_scrolls.fillRect(Common::Rect(x1 + i, y1 + i, x2 - i, y1 + i + 1), kColorWhite);
_scrolls.fillRect(Common::Rect(x2 - i, y1 + i, x2 - i + 1, y2 - i + 1), kColorDarkgray);
_scrolls.fillRect(Common::Rect(x1 + i, y2 - i, x2 - i, y2 - i + 1), kColorDarkgray);
}
}
void GraphicManager::drawShadowBox(int16 x1, int16 y1, int16 x2, int16 y2, Common::String text) {
CursorMan.showMouse(false);
drawScrollShadow(x1, y1, x2, y2);
bool offset = text.size() % 2;
x1 = (x2 - x1) / 2 + x1 - text.size() / 2 * 8 - offset * 3;
y1 = (y2 - y1) / 2 + y1 - 4;
drawScrollText(text, _vm->_font, 8, x1, y1, kColorBlue);
drawScrollText(Common::String('_'), _vm->_font, 8, x1, y1, kColorBlue);
CursorMan.showMouse(true);
}
void GraphicManager::drawMenuBar(Color color) {
_surface.fillRect(Common::Rect(0, 0, 640, 10), color);
}
void GraphicManager::drawMenuBlock(int x1, int y1, int x2, int y2, Color color) {
_surface.fillRect(Common::Rect(x1, y1, x2, y2), color);
}
void GraphicManager::drawMenuItem(int x1, int y1, int x2, int y2) {
_surface.fillRect(Common::Rect(x1, y1, x2, y2), kMenuBackgroundColor);
_surface.frameRect(Common::Rect(x1 - 1, y1 - 1, x2 + 1, y2 + 1), kMenuBorderColor);
}
void GraphicManager::drawSpeedBar(int speed) {
if (speed == kRun) {
_surface.drawLine(336, 199, 338, 199, kColorLightblue);
_surface.drawLine(371, 199, 373, 199, kColorYellow);
} else {
_surface.drawLine(371, 199, 373, 199, kColorLightblue);
_surface.drawLine(336, 199, 338, 199, kColorYellow);
}
}
void GraphicManager::drawScroll(int mx, int lx, int my, int ly) {
_scrolls.copyFrom(_surface);
// The right corners of the scroll.
drawPieSlice(mx + lx, my - ly, 0, 90, 15, kColorLightgray);
drawPieSlice(mx + lx, my + ly, 270, 360, 15, kColorLightgray);
drawArc(_scrolls, mx + lx, my - ly, 0, 90, 15, kColorRed);
drawArc(_scrolls, mx + lx, my + ly, 270, 360, 15, kColorRed);
// The body of the scroll.
_scrolls.fillRect(Common::Rect(mx - lx - 30, my + ly, mx + lx, my + ly + 6), kColorLightgray);
_scrolls.fillRect(Common::Rect(mx - lx - 30, my - ly - 6, mx + lx, my - ly + 1), kColorLightgray);
_scrolls.fillRect(Common::Rect(mx - lx - 15, my - ly, mx + lx + 15, my + ly + 1), kColorLightgray);
// The left corners of the scroll.
drawPieSlice(mx - lx - 31, my - ly, 0, 180, 15, kColorDarkgray);
drawArc(_scrolls, mx - lx - 31, my - ly, 0, 180, 15, kColorRed);
_scrolls.drawLine(mx - lx - 31 - 15, my - ly, mx - lx - 31 + 15, my - ly, kColorRed);
drawPieSlice(mx - lx - 31, my + ly, 180, 360, 15, kColorDarkgray);
drawArc(_scrolls, mx - lx - 31, my + ly, 180, 360, 15, kColorRed);
_scrolls.drawLine(mx - lx - 31 - 15, my + ly, mx - lx - 31 + 15, my + ly, kColorRed);
// The rear borders of the scroll.
_scrolls.fillRect(Common::Rect(mx - lx - 30, my - ly - 6, mx + lx, my - ly - 5), kColorRed);
_scrolls.fillRect(Common::Rect(mx - lx - 30, my + ly + 6, mx + lx, my + ly + 7), kColorRed);
_scrolls.fillRect(Common::Rect(mx - lx - 15, my - ly, mx - lx - 14, my + ly), kColorRed);
_scrolls.fillRect(Common::Rect(mx + lx + 15, my - ly, mx + lx + 16, my + ly), kColorRed);
}
void GraphicManager::drawBackgroundSprite(int16 x, int16 y, SpriteType &sprite) {
drawPicture(_background, sprite._picture, x, y);
}
void GraphicManager::drawDebugLines() {
if (!_vm->_showDebugLines)
return;
for (int i = 0; i < _vm->_lineNum; i++) {
LineType *curLine = &_vm->_lines[i];
_surface.drawLine(curLine->_x1, curLine->_y1, curLine->_x2, curLine->_y2, curLine->_color);
}
for (int i = 0; i < _vm->_fieldNum; i++) {
FieldType *curField = &_vm->_fields[i];
if (curField->_x1 < 640)
_surface.frameRect(Common::Rect(curField->_x1, curField->_y1, curField->_x2, curField->_y2), kColorLightmagenta);
}
}
/**
* This function mimics Pascal's getimage().
*/
Graphics::Surface GraphicManager::loadPictureGraphic(Common::File &file) {
// The height and the width are stored in 2-2 bytes. We have to add 1 to each because Pascal stores the value of them -1.
uint16 width = file.readUint16LE() + 1;
uint16 height = file.readUint16LE() + 1;
Graphics::Surface picture; // We make a Surface object for the picture itself.
picture.create(width, height, Graphics::PixelFormat::createFormatCLUT8());
// Produce the picture. We read it in row-by-row, and every row has 4 planes.
for (int y = 0; y < height; y++) {
for (int8 plane = 3; plane >= 0; plane--) { // The planes are in the opposite way.
for (uint16 x = 0; x < width; x += 8) {
byte pixel = file.readByte();
for (int bit = 0; bit < 8; bit++) {
byte pixelBit = (pixel >> bit) & 1;
if (pixelBit != 0)
*(byte *)picture.getBasePtr(x + 7 - bit, y) += (pixelBit << plane);
}
}
}
}
return picture;
}
/**
* Reads Row-planar EGA data.
* This function is our own creation, very much like the one above. The main differences are that
* we don't read the width and the height from the file, the planes are in a different order
* and we read the picture plane-by-plane.
*/
Graphics::Surface GraphicManager::loadPictureRaw(Common::File &file, uint16 width, uint16 height) {
Graphics::Surface picture;
picture.create(width, height, Graphics::PixelFormat::createFormatCLUT8());
for (int plane = 0; plane < 4; plane++) {
for (uint16 y = 0; y < height; y++) {
for (uint16 x = 0; x < width; x += 8) {
byte pixel = file.readByte();
for (int i = 0; i < 8; i++) {
byte pixelBit = (pixel >> i) & 1;
*(byte *)picture.getBasePtr(x + 7 - i, y) += (pixelBit << plane);
}
}
}
}
return picture;
}
void GraphicManager::clearAlso() {
_magics.fillRect(Common::Rect(0, 0, 640, 200), 0);
_magics.frameRect(Common::Rect(0, 45, 640, 161), 15);
}
void GraphicManager::clearTextBar() {
_surface.fillRect(Common::Rect(24, 161, 640, 169), kColorBlack); // Black out the line of the text.
}
void GraphicManager::setAlsoLine(int x1, int y1, int x2, int y2, Color color) {
_magics.drawLine(x1, y1, x2, y2, color);
}
void GraphicManager::drawScreenLine(int16 x, int16 y, int16 x2, int16 y2, Color color) {
_surface.drawLine(x, y, x2, y2, color);
}
byte GraphicManager::getAlsoColor(int x1, int y1, int x2, int y2) {
byte returnColor = 0;
for (int16 i = x1; i <= x2; i++) {
for (int16 j = y1; j <= y2; j++) {
byte actColor = *(byte *)_magics.getBasePtr(i, j);
returnColor = MAX(returnColor, actColor);
}
}
return returnColor;
}
byte GraphicManager::getScreenColor(Common::Point pos) {
return *(byte *)_surface.getBasePtr(pos.x, pos.y / 2);
}
void GraphicManager::drawSprite(AnimationType *sprite, byte picnum, int16 x, int16 y) {
// First we make the pixels of the sprite blank.
for (int j = 0; j < sprite->_yLength; j++) {
for (int i = 0; i < sprite->_xLength; i++) {
if ((x + i < _surface.w) && (y + j < _surface.h)) {
if (((*sprite->_sil[picnum])[j][i / 8] >> ((7 - i % 8)) & 1) == 0)
*(byte *)_surface.getBasePtr(x + i, y + j) = 0;
}
}
}
// Then we draw the picture to the blank places.
uint16 maniPos = 0; // Because the original manitype starts at 5!!! See Graphics.h for definition.
for (int j = 0; j < sprite->_yLength; j++) {
for (int8 plane = 3; plane >= 0; plane--) { // The planes are in the opposite way.
for (uint16 i = 0; i < sprite->_xLength; i += 8) {
byte pixel = (*sprite->_mani[picnum])[maniPos++];
for (int bit = 0; bit < 8; bit++) {
if ((x + i + 7 < _surface.w) && (y + j < _surface.h)) {
byte pixelBit = (pixel >> bit) & 1;
*(byte *)_surface.getBasePtr(x + i + 7 - bit, y + j) += (pixelBit << plane);
}
}
}
}
}
}
void GraphicManager::drawPicture(Graphics::Surface &target, const Graphics::Surface picture, uint16 destX, uint16 destY) {
// Copy the picture to the given place on the screen.
uint16 maxX = picture.w;
uint16 maxY = picture.h;
if (destX + maxX > target.w)
maxX = target.w - destX;
if (destY + maxY > target.h)
maxY = target.h - destY;
for (uint16 y = 0; y < maxY; y++) {
for (uint16 x = 0; x < maxX; x++)
*(byte *)target.getBasePtr(x + destX, y + destY) = *(const byte *)picture.getBasePtr(x, y);
}
}
void GraphicManager::drawCursor(byte pos) {
int pixPos = 24 + (pos * 8);
// Draw the '_' character.
for (int i = 0; i < 8; i++)
*(byte *)_surface.getBasePtr(pixPos + i, 168) = kColorWhite;
}
void GraphicManager::drawReadyLight(Color color) {
_surface.fillRect(Common::Rect(419, 195, 438, 197), color);
}
/**
* This is for drawing a big "about" or "gameover" picture loaded from a file into an empty scroll.
*/
void GraphicManager::drawSign(Common::String fn, int16 xl, int16 yl, int16 y) {
Common::File file;
Common::String filename = Common::String::format("%s.avd", fn.c_str());
if (!file.open(filename))
error("AVALANCHE: Scrolls: File not found: %s", filename.c_str());
// I know it looks very similar to the loadPicture methods, but in truth it's the combination of the two.
uint16 width = xl * 8;
uint16 height = yl;
Graphics::Surface sign; // We make a Surface object for the picture itself.
sign.create(width, height, Graphics::PixelFormat::createFormatCLUT8());
// Produce the picture. We read it in row-by-row, and every row has 4 planes.
for (int yy = 0; yy < height; yy++) {
for (int8 plane = 0; plane < 4; plane++) { // The planes are in the "right" order.
for (uint16 xx = 0; xx < width; xx += 8) {
byte pixel = file.readByte();
for (int bit = 0; bit < 8; bit++) {
byte pixelBit = (pixel >> bit) & 1;
if (pixelBit != 0)
*(byte *)sign.getBasePtr(xx + 7 - bit, yy) += (pixelBit << plane);
}
}
}
}
drawPicture(_scrolls, sign, kScreenWidth / 2 - width / 2, y);
file.close();
}
/**
* Draws an icon to the current scroll.
* @remarks Originally called 'geticon'
*/
void GraphicManager::drawIcon(int16 x, int16 y, byte which) {
Common::File file;
if (!file.open("icons.avd"))
error("AVALANCHE: Scrolls: File not found: icons.avd");
which--;
file.seek(which * 426);
Graphics::Surface icon = loadPictureGraphic(file);
drawPicture(_scrolls, icon, x, y);
icon.free();
file.close();
}
void GraphicManager::prepareBubble(int xc, int xw, int my, Common::Point points[3]) {
// Backup the screen before drawing the bubble.
_scrolls.copyFrom(_surface);
int16 talkX = _vm->_dialogs->getTalkPosX();
// The body of the bubble.
_scrolls.fillRect(Common::Rect(xc + talkX - xw + 9, 7, talkX + xw - 8 + xc, my + 1), _talkBackgroundColor);
_scrolls.fillRect(Common::Rect(xc + talkX - xw - 1, 12, talkX + xw + xc + 2, my - 4), _talkBackgroundColor);
// Top the 4 rounded corners of the bubble.
drawPieSlice(xc + talkX + xw - 10, 11, 0, 90, 9, _talkBackgroundColor);
drawPieSlice(xc + talkX + xw - 10, my - 4, 270, 360, 9, _talkBackgroundColor);
drawPieSlice(xc + talkX - xw + 10, 11, 90, 180, 9, _talkBackgroundColor);
drawPieSlice(xc + talkX - xw + 10, my - 4, 180, 270, 9, _talkBackgroundColor);
// "Tail" of the speech bubble.
drawTriangle(points, _talkBackgroundColor);
}
/**
* Set the background of the text to the desired color.
*/
void GraphicManager::wipeChar(int x, int y, Color color) {
for (int k = 0; k < 8; k++)
*(byte *)_surface.getBasePtr(x + k, y) = color;
}
void GraphicManager::drawChar(byte ander, int x, int y, Color color) {
byte pixel = ander;
for (int bit = 0; bit < 8; bit++) {
byte pixelBit = (pixel >> bit) & 1;
if (pixelBit)
*(byte *)_surface.getBasePtr(x + 7 - bit, y) = color;
}
}
void GraphicManager::refreshScreen() {
// These cycles are for doubling the screen height.
for (uint16 y = 0; y < _screen.h / 2; y++) {
memcpy(_screen.getBasePtr(0, y * 2), _surface.getBasePtr(0, y), _screen.w);
memcpy(_screen.getBasePtr(0, y * 2 + 1), _surface.getBasePtr(0, y), _screen.w);
}
// Now we copy the stretched picture to the screen.
g_system->copyRectToScreen(_screen.getPixels(), _screen.pitch, 0, 0, kScreenWidth, kScreenHeight * 2);
g_system->updateScreen();
}
void GraphicManager::loadBackground(Common::File &file) {
_background.free();
_background = loadPictureRaw(file, kBackgroundWidth, kBackgroundHeight);
}
void GraphicManager::refreshBackground() {
drawPicture(_surface, _background, 0, 10);
}
/**
* Only used when entering the map.
* @remarks Originally called 'zoomout'
*/
void GraphicManager::zoomOut(int16 x, int16 y) {
//setlinestyle(dottedln, 0, 1); TODO: Implement it with a dotted line style!!!
saveScreen();
for (byte i = 1; i <= 20; i ++) {
int16 x1 = x - (x / 20) * i;
int16 y1 = y - ((y - 10) / 20) * i;
int16 x2 = x + (((639 - x) / 20) * i);
int16 y2 = y + (((161 - y) / 20) * i);
_surface.frameRect(Common::Rect(x1, y1, x2, y2), kColorWhite);
refreshScreen();
_vm->_system->delayMillis(17);
restoreScreen();
}
removeBackup();
}
void GraphicManager::showScroll() {
_surface.copyFrom(_scrolls); // TODO: Rework it using getSubArea !!!!!!!
}
void GraphicManager::getNaturalPicture(SpriteType &sprite) {
sprite._type = kNaturalImage; // We simply read from the screen and later, in drawSprite() we draw it right back.
sprite._size = sprite._xl * 8 * sprite._yl + 1;
sprite._picture.create(sprite._xl * 8, sprite._yl + 1, Graphics::PixelFormat::createFormatCLUT8());
for (uint16 y = 0; y < sprite._yl + 1; y++) {
for (uint16 x = 0; x < sprite._xl * 8; x++)
*(byte *)sprite._picture.getBasePtr(x, y) = *(byte *)_vm->_graphics->_surface.getBasePtr(sprite._x * 8 + x, sprite._y + y);
}
}
void GraphicManager::saveScreen() {
_backup.copyFrom(_surface);
}
void GraphicManager::removeBackup() {
_backup.free();
}
void GraphicManager::restoreScreen() {
_surface.copyFrom(_backup);
refreshScreen();
}
void GraphicManager::setDialogColor(Color bg, Color text) {
_talkBackgroundColor = bg;
_talkFontColor = text;
}
// Original name background()
void GraphicManager::setBackgroundColor(Color x) {
warning("STUB: setBackgroundColor()");
}
} // End of namespace Avalanche
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