mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-24 18:56:33 +00:00
413 lines
9.3 KiB
C++
413 lines
9.3 KiB
C++
/* ScummVM - Scumm Interpreter
|
|
* Copyright (C) 2004 Ivan Dubrov
|
|
* Copyright (C) 2004-2006 The ScummVM project
|
|
*
|
|
* 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.
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*
|
|
*/
|
|
#include "common/stdafx.h"
|
|
#include "common/endian.h"
|
|
|
|
#include "gob/gob.h"
|
|
#include "gob/global.h"
|
|
#include "gob/video.h"
|
|
#include "gob/dataio.h"
|
|
#include "gob/draw.h"
|
|
|
|
#include "gob/driver_vga.h"
|
|
|
|
namespace Gob {
|
|
|
|
/* NOT IMPLEMENTED */
|
|
|
|
Video::Video(GobEngine *vm) : _vm(vm) {
|
|
_videoDriver = 0;
|
|
_surfWidth = 320;
|
|
_surfHeight = 200;
|
|
_scrollOffsetX = 0;
|
|
_scrollOffsetY = 0;
|
|
}
|
|
|
|
char Video::initDriver(int16 vidMode) {
|
|
if (_videoDriver)
|
|
return 1;
|
|
|
|
warning("STUB: Video::initDriver");
|
|
|
|
// FIXME: Finish all this stuff :)
|
|
_videoDriver = new VGAVideoDriver();
|
|
|
|
return 1;
|
|
}
|
|
|
|
void Video::freeDriver() {
|
|
delete _videoDriver;
|
|
warning("STUB: Video::freeDriver");
|
|
}
|
|
|
|
int32 Video::getRectSize(int16 width, int16 height, int16 flag, int16 mode) {
|
|
int32 size;
|
|
|
|
if (((mode & 0x7f) != 0x13) && ((mode & 0x7f) != 0x14))
|
|
warning
|
|
("Video::getRectSize: Video mode %d is not fully supported!",
|
|
mode & 0x7f);
|
|
switch (mode & 0x7f) {
|
|
case 5:
|
|
case 7:
|
|
size = ((int32)((width + 3) / 4)) * height * (flag + 1);
|
|
break;
|
|
case 0x13:
|
|
size = (int32)width *height;
|
|
break;
|
|
case 0x14:
|
|
case 0x15:
|
|
case 0x16:
|
|
size = ((int32)((width + 3) / 4)) * height * 4;
|
|
break;
|
|
default:
|
|
size = ((int32)((width + 7) / 8)) * height * (flag + 4);
|
|
break;
|
|
}
|
|
return size;
|
|
}
|
|
|
|
void Video::freeSurfDesc(SurfaceDesc * surfDesc) {
|
|
if ((surfDesc == 0) || (surfDesc == _vm->_draw->_frontSurface))
|
|
return;
|
|
|
|
delete[] surfDesc->vidPtr;
|
|
if (surfDesc != _vm->_global->_pPrimarySurfDesc) {
|
|
_vm->_global->_sprAllocated--;
|
|
delete surfDesc;
|
|
}
|
|
}
|
|
|
|
int16 Video::clampValue(int16 val, int16 max) {
|
|
if (val >= max)
|
|
val = max - 1;
|
|
|
|
if (val < 0)
|
|
val = 0;
|
|
|
|
return val;
|
|
}
|
|
|
|
void Video::drawSprite(SurfaceDesc *source, SurfaceDesc *dest,
|
|
int16 left, int16 top, int16 right, int16 bottom, int16 x, int16 y, int16 transp) {
|
|
int16 temp;
|
|
int16 destRight;
|
|
int16 destBottom;
|
|
|
|
if (_vm->_global->_doRangeClamp) {
|
|
if (left > right) {
|
|
temp = left;
|
|
left = right;
|
|
right = temp;
|
|
}
|
|
if (top > bottom) {
|
|
temp = top;
|
|
top = bottom;
|
|
bottom = temp;
|
|
}
|
|
if (right < 0)
|
|
return;
|
|
if (bottom < 0)
|
|
return;
|
|
if (left >= source->width)
|
|
return;
|
|
if (top >= source->height)
|
|
return;
|
|
|
|
if (left < 0) {
|
|
x -= left;
|
|
left = 0;
|
|
}
|
|
if (top < 0) {
|
|
y -= top;
|
|
top = 0;
|
|
}
|
|
right = Video::clampValue(right, source->width);
|
|
bottom = Video::clampValue(bottom, source->height);
|
|
if (right - left >= source->width)
|
|
right = left + source->width - 1;
|
|
if (bottom - top >= source->height)
|
|
bottom = top + source->height - 1;
|
|
|
|
if (x < 0) {
|
|
left -= x;
|
|
x = 0;
|
|
}
|
|
if (y < 0) {
|
|
top -= y;
|
|
y = 0;
|
|
}
|
|
if (left > right)
|
|
return;
|
|
if (top > bottom)
|
|
return;
|
|
|
|
if (x >= dest->width)
|
|
return;
|
|
|
|
if (y >= dest->height)
|
|
return;
|
|
|
|
destRight = x + right - left;
|
|
destBottom = y + bottom - top;
|
|
if (destRight >= dest->width)
|
|
right -= destRight - dest->width + 1;
|
|
|
|
if (destBottom >= dest->height)
|
|
bottom -= destBottom - dest->height + 1;
|
|
}
|
|
|
|
_videoDriver->drawSprite(source, dest, left, top, right, bottom, x, y, transp);
|
|
}
|
|
|
|
void Video::fillRect(SurfaceDesc *dest, int16 left, int16 top, int16 right, int16 bottom,
|
|
int16 color) {
|
|
int16 temp;
|
|
|
|
if (_vm->_global->_doRangeClamp) {
|
|
if (left > right) {
|
|
temp = left;
|
|
left = right;
|
|
right = temp;
|
|
}
|
|
if (top > bottom) {
|
|
temp = top;
|
|
top = bottom;
|
|
bottom = temp;
|
|
}
|
|
if (right < 0)
|
|
return;
|
|
if (bottom < 0)
|
|
return;
|
|
if (left >= dest->width)
|
|
return;
|
|
if (top >= dest->height)
|
|
return;
|
|
|
|
left = Video::clampValue(left, dest->width);
|
|
top = Video::clampValue(top, dest->height);
|
|
right = Video::clampValue(right, dest->width);
|
|
bottom = Video::clampValue(bottom, dest->height);
|
|
}
|
|
|
|
_videoDriver->fillRect(dest, left, top, right, bottom, color);
|
|
}
|
|
|
|
void Video::drawLine(SurfaceDesc *dest, int16 x0, int16 y0, int16 x1, int16 y1, int16 color) {
|
|
if (x0 == x1 || y0 == y1) {
|
|
Video::fillRect(dest, x0, y0, x1, y1, color);
|
|
return;
|
|
}
|
|
|
|
_videoDriver->drawLine(dest, x0, y0, x1, y1, color);
|
|
}
|
|
|
|
void Video::putPixel(int16 x, int16 y, int16 color, SurfaceDesc *dest) {
|
|
if (x < 0 || y < 0 || x >= dest->width || y >= dest->height)
|
|
return;
|
|
|
|
_videoDriver->putPixel(x, y, color, dest);
|
|
}
|
|
|
|
void Video::clearSurf(SurfaceDesc *dest) {
|
|
Video::fillRect(dest, 0, 0, dest->width - 1, dest->height - 1, 0);
|
|
}
|
|
|
|
void Video::drawCircle(Video::SurfaceDesc *dest, int16 x, int16 y, int16 radius, int16 color) {
|
|
int16 si;
|
|
int16 var_18;
|
|
int16 var_16;
|
|
int16 y4;
|
|
int16 y3;
|
|
int16 x4;
|
|
int16 x3;
|
|
int16 x2;
|
|
int16 y2;
|
|
int16 x1;
|
|
int16 y1;
|
|
int16 var_4;
|
|
int16 var_2;
|
|
|
|
var_2 = radius;
|
|
var_4 = 0;
|
|
si = -radius;
|
|
y1 = y;
|
|
x1 = x + radius;
|
|
y2 = y + radius;
|
|
x2 = x;
|
|
x3 = x - radius;
|
|
x4 = x;
|
|
y3 = y;
|
|
y4 = y - radius;
|
|
var_16 = 0;
|
|
var_18 = radius * 2;
|
|
|
|
while (var_2 >= var_4) {
|
|
putPixel(x1, y1, color, dest);
|
|
putPixel(x2, y2, color, dest);
|
|
putPixel(x3, y1, color, dest);
|
|
putPixel(x4, y2, color, dest);
|
|
putPixel(x1, y3, color, dest);
|
|
putPixel(x2, y4, color, dest);
|
|
putPixel(x3, y3, color, dest);
|
|
putPixel(x4, y4, color, dest);
|
|
y1++;
|
|
x2++;
|
|
x4--;
|
|
y3--;
|
|
var_16 += 2;
|
|
var_4++;
|
|
si += var_16 + 1;
|
|
if (si > 0) {
|
|
x1--;
|
|
y2--;
|
|
x3++;
|
|
y4++;
|
|
var_18 -= 2;
|
|
var_2--;
|
|
si -= var_18 + 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Video::drawPackedSprite(byte *sprBuf, int16 width, int16 height, int16 x, int16 y,
|
|
int16 transp, SurfaceDesc *dest) {
|
|
|
|
if (spriteUncompressor(sprBuf, width, height, x, y, transp, dest))
|
|
return;
|
|
|
|
if (((dest->vidMode & 0x7f) != 0x13) && ((dest->vidMode & 0x7f) != 0x14))
|
|
error("Video::drawPackedSprite: Video mode 0x%x is not fully supported!",
|
|
dest->vidMode & 0x7f);
|
|
|
|
_videoDriver->drawPackedSprite(sprBuf, width, height, x, y, transp, dest);
|
|
}
|
|
|
|
void Video::drawPackedSprite(const char *path, SurfaceDesc * dest, int width) {
|
|
char *data;
|
|
|
|
data = _vm->_dataio->getData(path);
|
|
drawPackedSprite((byte *) data, width, dest->height, 0, 0, 0, dest);
|
|
delete[] data;
|
|
}
|
|
|
|
void Video::setPalElem(int16 index, char red, char green, char blue, int16 unused,
|
|
int16 vidMode) {
|
|
byte pal[4];
|
|
|
|
_vm->_global->_redPalette[index] = red;
|
|
_vm->_global->_greenPalette[index] = green;
|
|
_vm->_global->_bluePalette[index] = blue;
|
|
|
|
if ((vidMode != 0x13) && (vidMode != 0x14))
|
|
error("Video::setPalElem: Video mode 0x%x is not supported!",
|
|
vidMode);
|
|
|
|
pal[0] = (red << 2) | (red >> 4);
|
|
pal[1] = (green << 2) | (green >> 4);
|
|
pal[2] = (blue << 2) | (blue >> 4);
|
|
pal[3] = 0;
|
|
g_system->setPalette(pal, index, 1);
|
|
}
|
|
|
|
void Video::setPalette(PalDesc *palDesc) {
|
|
int16 i;
|
|
byte pal[1024];
|
|
int16 numcolors;
|
|
|
|
if ((_vm->_global->_videoMode != 0x13) && (_vm->_global->_videoMode != 0x14))
|
|
error("Video::setPalette: Video mode 0x%x is not supported!",
|
|
_vm->_global->_videoMode);
|
|
|
|
if (_vm->_global->_setAllPalette)
|
|
numcolors = 256;
|
|
else
|
|
numcolors = 16;
|
|
|
|
for (i = 0; i < numcolors; i++) {
|
|
pal[i * 4 + 0] = (palDesc->vgaPal[i].red << 2) | (palDesc->vgaPal[i].red >> 4);
|
|
pal[i * 4 + 1] = (palDesc->vgaPal[i].green << 2) | (palDesc->vgaPal[i].green >> 4);
|
|
pal[i * 4 + 2] = (palDesc->vgaPal[i].blue << 2) | (palDesc->vgaPal[i].blue >> 4);
|
|
pal[i * 4 + 3] = 0;
|
|
}
|
|
|
|
g_system->setPalette(pal, 0, numcolors);
|
|
}
|
|
|
|
void Video::setFullPalette(PalDesc *palDesc) {
|
|
Color *colors;
|
|
int16 i;
|
|
byte pal[1024];
|
|
|
|
if (_vm->_global->_setAllPalette) {
|
|
colors = palDesc->vgaPal;
|
|
for (i = 0; i < 256; i++) {
|
|
_vm->_global->_redPalette[i] = colors[i].red;
|
|
_vm->_global->_greenPalette[i] = colors[i].green;
|
|
_vm->_global->_bluePalette[i] = colors[i].blue;
|
|
}
|
|
|
|
for (i = 0; i < 256; i++) {
|
|
pal[i * 4 + 0] = (colors[i].red << 2) | (colors[i].red >> 4);
|
|
pal[i * 4 + 1] = (colors[i].green << 2) | (colors[i].green >> 4);
|
|
pal[i * 4 + 2] = (colors[i].blue << 2) | (colors[i].blue >> 4);
|
|
pal[i * 4 + 3] = 0;
|
|
}
|
|
g_system->setPalette(pal, 0, 256);
|
|
} else {
|
|
Video::setPalette(palDesc);
|
|
}
|
|
}
|
|
|
|
void Video::initPrimary(int16 mode) {
|
|
int16 old;
|
|
if (mode != 0x13 && mode != 0x14 && mode != 3 && mode != -1)
|
|
error("Video::initPrimary: Video mode 0x%x is not supported!",
|
|
mode);
|
|
|
|
if ((_vm->_global->_videoMode != 0x13) && (_vm->_global->_videoMode != 0x14))
|
|
error("Video::initPrimary: Video mode 0x%x is not supported!",
|
|
mode);
|
|
|
|
old = _vm->_global->_oldMode;
|
|
if (mode == -1)
|
|
mode = 3;
|
|
|
|
_vm->_global->_oldMode = mode;
|
|
if (mode != 3)
|
|
Video::initDriver(mode);
|
|
|
|
if (mode != 3) {
|
|
initSurfDesc(mode, _surfWidth, _vm->_video->_surfHeight, PRIMARY_SURFACE);
|
|
|
|
if (_vm->_global->_dontSetPalette)
|
|
return;
|
|
|
|
Video::setFullPalette(_vm->_global->_pPaletteDesc);
|
|
}
|
|
}
|
|
|
|
void Video::setHandlers() { _vm->_global->_setAllPalette = 1; }
|
|
|
|
} // End of namespace Gob
|