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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 "bbvs/graphics.h"
namespace Bbvs {
void DrawList::add(int index, int x, int y, int priority) {
debug(5, "DrawList::add() %d (%d, %d) %d", index, x, y, priority);
DrawListEntry drawListEntry;
drawListEntry.index = index;
drawListEntry.x = x;
drawListEntry.y = y;
drawListEntry.priority = priority;
// Insert the sprite at the correct position
uint insertIndex = 0;
while (insertIndex < size() && (*this)[insertIndex].priority <= priority)
++insertIndex;
insert_at(insertIndex, drawListEntry);
}
Screen::Screen(OSystem *system) : _system(system) {
_surface = new Graphics::Surface();
_surface->create(320, 240, Graphics::PixelFormat::createFormatCLUT8());
}
Screen::~Screen() {
_surface->free();
delete _surface;
}
void Screen::setPalette(Palette &palette) {
byte pal[768];
memset(pal, 0, 768);
memcpy(&pal[palette.start * 3], palette.data, palette.count * 3);
_system->getPaletteManager()->setPalette(pal, 0, 256);
}
void Screen::copyToScreen() {
_system->copyRectToScreen((const byte*)_surface->getBasePtr(0, 0), _surface->pitch, 0, 0, 320, 240);
_system->updateScreen();
}
void Screen::clear() {
_surface->fillRect(Common::Rect(0, 0, 320, 240), 0);
}
void Screen::drawDrawList(DrawList &drawList, SpriteModule *spriteModule) {
for (uint i = 0; i < drawList.size(); ++i) {
debug(4, "index: %d; x: %d; y: %d; priority: %d", drawList[i].index, drawList[i].x, drawList[i].y, drawList[i].priority);
Sprite sprite = spriteModule->getSprite(drawList[i].index);
drawSprite(sprite, drawList[i].x, drawList[i].y);
}
}
void Screen::drawSprite(Sprite &sprite, int x, int y) {
debug(5, "Screen::drawSprite()");
int destX, destY, width, height, skipX = 0, skipY = 0;
destX = sprite.xOffs + x;
destY = sprite.yOffs + y;
if (destX >= _surface->w || destY >= _surface->h)
return;
height = sprite.height;
if (destY < 0) {
height += destY;
if (height <= 0)
return;
skipY = -destY;
destY = 0;
}
if (destY + height > _surface->h)
height = _surface->h - destY;
width = sprite.width;
if (destX < 0) {
width += destX;
if (width <= 0)
return;
skipX = -destX;
destX = 0;
}
if (destX + width >= _surface->w)
width = _surface->w - destX;
debug(6, "drawSprite() (%d, %d, %d, %d); skipX: %d; skipY: %d; %d", destX, destY, width, height, skipX, skipY, sprite.type);
if (sprite.type == 1) {
for (int yc = 0; yc < height; ++yc) {
byte *source = sprite.getRow(skipY + yc);
byte *dest = (byte*)_surface->getBasePtr(destX, destY + yc);
int currWidth = -skipX;
while (currWidth < width) {
int8 op = *source++;
if (op < 0) {
currWidth += (-op);
} else {
while (op >= 0 && currWidth < width) {
if (currWidth >= 0)
dest[currWidth] = *source;
++source;
++currWidth;
--op;
}
}
}
}
} else {
for (int yc = 0; yc < height; ++yc) {
byte *source = sprite.getRow(skipY + yc) + skipX;
byte *dest = (byte*)_surface->getBasePtr(destX, destY + yc);
memcpy(dest, source, width);
}
}
debug(5, "Screen::drawSprite() OK");
}
} // End of namespace Bbvs
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