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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 "kyra/screen_mr.h"
#include "kyra/kyra_mr.h"
namespace Kyra {
Screen_MR::Screen_MR(KyraEngine_MR *vm, OSystem *system)
: Screen_v2(vm, system, _screenDimTable, _screenDimTableCount) {
}
Screen_MR::~Screen_MR() {
}
int Screen_MR::getLayer(int x, int y) {
if (x < 0)
x = 0;
else if (x >= 320)
x = 319;
if (y < 0)
y = 0;
else if (y >= 188)
y = 187;
if (y < _maskMinY || y > _maskMaxY)
return 15;
uint8 pixel = *(getCPagePtr(5) + y * 320 + x);
pixel &= 0x7F;
pixel >>= 3;
if (pixel < 1)
pixel = 1;
else if (pixel > 15)
pixel = 15;
return pixel;
}
byte Screen_MR::getShapeFlag1(int x, int y) {
if (y < _maskMinY || y > _maskMaxY)
return 0;
uint8 color = _shapePages[0][y * SCREEN_W + x];
color &= 0x80;
color ^= 0x80;
if (color & 0x80)
return 1;
return 0;
}
byte Screen_MR::getShapeFlag2(int x, int y) {
if (y < _maskMinY || y > _maskMaxY)
return 0;
uint8 color = _shapePages[0][y * SCREEN_W + x];
color &= 0x7F;
color &= 0x87;
return color;
}
int Screen_MR::getDrawLayer(int x, int y) {
int xpos = x - 8;
int ypos = y;
int layer = 1;
for (int curX = xpos; curX < xpos + 24; ++curX) {
int tempLayer = getShapeFlag2(curX, ypos);
if (layer < tempLayer)
layer = tempLayer;
if (layer >= 7)
return 7;
}
return layer;
}
int Screen_MR::getDrawLayer2(int x, int y, int height) {
int xpos = x - 8;
int ypos = y;
int layer = 1;
for (int useX = xpos; useX < xpos + 24; ++useX) {
for (int useY = ypos - height; useY < ypos; ++useY) {
int tempLayer = getShapeFlag2(useX, useY);
if (tempLayer > layer)
layer = tempLayer;
if (tempLayer >= 7)
return 7;
}
}
return layer;
}
void Screen_MR::drawFilledBox(int x1, int y1, int x2, int y2, uint8 c1, uint8 c2, uint8 c3) {
fillRect(x1, y1, x2, y2, c1);
fillRect(x1, y1, x2, y1+1, c2);
fillRect(x2-1, y1, x2, y2, c2);
drawClippedLine(x1, y1, x1, y2, c3);
drawClippedLine(x1+1, y1+1, x1+1, y2-2, c3);
drawClippedLine(x1, y2, x2, y2, c3);
drawClippedLine(x1, y2-1, x2-1, y2-1, c3);
}
} // End of namespace Kyra
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