scummvm/engines/gob/draw_v1.cpp
Eugene Sandulenko 5dcdfd2600
GOB: Dual-license the gob engine under LGPL
The major contributors provided their consent:
DrMcCoy, Strangerke, sdelamarre, sev.

The goal is to allow the re-release of this code under
Switch, which is incompatible with pure GPL
2024-01-08 01:44:04 +01:00

514 lines
14 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*
* This file is dual-licensed.
* In addition to the GPLv3 license mentioned above, this code is also
* licensed under LGPL 2.1. See LICENSES/COPYING.LGPL file for the
* full text of the license.
*
*/
#include "common/endian.h"
#include "common/str.h"
#include "graphics/cursorman.h"
#include "gob/gob.h"
#include "gob/draw.h"
#include "gob/global.h"
#include "gob/util.h"
#include "gob/game.h"
#include "gob/resources.h"
#include "gob/hotspots.h"
#include "gob/scenery.h"
#include "gob/inter.h"
#include "gob/sound/sound.h"
namespace Gob {
Draw_v1::Draw_v1(GobEngine *vm) : Draw(vm) {
}
void Draw_v1::initScreen() {
_backSurface = _vm->_video->initSurfDesc(320, 200);
_frontSurface = _vm->_global->_primarySurfDesc;
_cursorSprites = _vm->_video->initSurfDesc(_cursorWidth * 2, _cursorHeight, 2);
_scummvmCursor = _vm->_video->initSurfDesc(_cursorWidth , _cursorHeight, SCUMMVM_CURSOR);
}
void Draw_v1::closeScreen() {
}
void Draw_v1::blitCursor() {
if (_cursorIndex == -1)
return;
if (_showCursor == 2)
_showCursor = 0;
}
void Draw_v1::animateCursor(int16 cursor) {
int16 cursorIndex = cursor;
int16 newX = 0, newY = 0;
uint16 hotspotX = 0, hotspotY = 0;
_showCursor = 2;
if (cursorIndex == -1) {
cursorIndex =
_vm->_game->_hotspots->findCursor(_vm->_global->_inter_mouseX,
_vm->_global->_inter_mouseY);
if (_cursorAnimLow[cursorIndex] == -1)
cursorIndex = 1;
}
if (_cursorAnimLow[cursorIndex] != -1) {
if (cursorIndex == _cursorIndex) {
if (_cursorAnimDelays[_cursorIndex] != 0 &&
_cursorAnimDelays[_cursorIndex] * 10 +
_cursorTimeKey <= _vm->_util->getTimeKey()) {
_cursorAnim++;
_cursorTimeKey = _vm->_util->getTimeKey();
} else {
if (_noInvalidated && (_vm->_global->_inter_mouseX == _cursorX) &&
(_vm->_global->_inter_mouseY == _cursorY)) {
_vm->_video->waitRetrace();
return;
}
}
} else {
_cursorIndex = cursorIndex;
if (_cursorAnimDelays[_cursorIndex] != 0) {
_cursorAnim =
_cursorAnimLow[_cursorIndex];
_cursorTimeKey = _vm->_util->getTimeKey();
} else {
_cursorAnim = _cursorIndex;
}
}
if (_cursorAnimDelays[_cursorIndex] != 0 &&
(_cursorAnimHigh[_cursorIndex] < _cursorAnim ||
_cursorAnimLow[_cursorIndex] >
_cursorAnim)) {
_cursorAnim = _cursorAnimLow[_cursorIndex];
}
newX = _vm->_global->_inter_mouseX;
newY = _vm->_global->_inter_mouseY;
if (_cursorHotspotXVar != -1) {
newX -= hotspotX = (uint16) VAR(_cursorIndex + _cursorHotspotXVar);
newY -= hotspotY = (uint16) VAR(_cursorIndex + _cursorHotspotYVar);
} else if (_cursorHotspotX != -1) {
newX -= hotspotX = _cursorHotspotX;
newY -= hotspotY = _cursorHotspotY;
}
_scummvmCursor->clear();
_scummvmCursor->blit(*_cursorSprites,
cursorIndex * _cursorWidth, 0,
(cursorIndex + 1) * _cursorWidth - 1,
_cursorHeight - 1, 0, 0);
CursorMan.replaceCursor(_scummvmCursor->getData(),
_cursorWidth, _cursorHeight, hotspotX, hotspotY, 0, false, &_vm->getPixelFormat());
if (_frontSurface != _backSurface) {
_showCursor = 3;
if (!_noInvalidated) {
int16 tmp = _cursorIndex;
_cursorIndex = -1;
blitInvalidated();
_cursorIndex = tmp;
} else {
_vm->_video->waitRetrace();
if (MIN(newY, _cursorY) < 50)
_vm->_util->delay(5);
_showCursor = 0;
}
}
} else
blitCursor();
_cursorX = newX;
_cursorY = newY;
}
void Draw_v1::printTotText(int16 id) {
byte *dataPtr;
byte *ptr, *ptrEnd;
byte cmd;
int16 destX, destY;
int16 val;
int16 savedFlags;
int16 destSpriteX;
int16 spriteRight, spriteBottom;
char buf[20];
_vm->_sound->cdPlayMultMusic();
TextItem *textItem = _vm->_game->_resources->getTextItem(id);
if (!textItem)
return;
dataPtr = textItem->getData();
ptr = dataPtr;
destX = READ_LE_UINT16(ptr) & 0x7FFF;
destY = READ_LE_UINT16(ptr + 2);
spriteRight = READ_LE_UINT16(ptr + 4);
spriteBottom = READ_LE_UINT16(ptr + 6);
ptr += 8;
if (_renderFlags & RENDERFLAG_CAPTUREPUSH) {
_vm->_game->capturePush(destX, destY,
spriteRight - destX + 1, spriteBottom - destY + 1);
(*_vm->_scenery->_pCaptureCounter)++;
}
_destSpriteX = destX;
_destSpriteY = destY;
_spriteRight = spriteRight;
_spriteBottom = spriteBottom;
_destSurface = kBackSurface;
_backColor = *ptr++;
_transparency = 1;
spriteOperation(DRAW_CLEARRECT);
_backColor = 0;
savedFlags = _renderFlags;
_renderFlags &= ~RENDERFLAG_NOINVALIDATE;
while ((_destSpriteX = READ_LE_UINT16(ptr)) != -1) {
_destSpriteX += destX;
_destSpriteY = READ_LE_UINT16(ptr + 2) + destY;
_spriteRight = READ_LE_UINT16(ptr + 4) + destX;
_spriteBottom = READ_LE_UINT16(ptr + 6) + destY;
ptr += 8;
cmd = *ptr++;
switch ((cmd & 0xF0) >> 4) {
case 0:
_frontColor = cmd & 0xF;
spriteOperation(DRAW_DRAWLINE);
break;
case 1:
_frontColor = cmd & 0xF;
spriteOperation(DRAW_DRAWBAR);
break;
case 2:
_backColor = cmd & 0xF;
spriteOperation(DRAW_FILLRECTABS);
break;
default:
break;
}
}
ptr += 2;
for (ptrEnd = ptr; *ptrEnd != 1; ptrEnd++) {
if (*ptrEnd == 3)
ptrEnd++;
if (*ptrEnd == 2)
ptrEnd += 4;
}
ptrEnd++;
while (*ptr != 1) {
cmd = *ptr;
if (cmd == 3) {
ptr++;
_fontIndex = (*ptr & 0xF0) >> 4;
_frontColor = *ptr & 0xF;
ptr++;
continue;
} else if (cmd == 2) {
ptr++;
_destSpriteX = destX + READ_LE_UINT16(ptr);
_destSpriteY = destY + READ_LE_UINT16(ptr + 2);
ptr += 4;
continue;
}
if (*ptr != 0xBA) {
_letterToPrint = (char) *ptr;
spriteOperation(DRAW_DRAWLETTER);
_destSpriteX += _fonts[_fontIndex]->getCharWidth();
ptr++;
} else {
cmd = ptrEnd[17] & 0x7F;
if (cmd == 0) {
val = READ_LE_UINT16(ptrEnd + 18) * 4;
Common::sprintf_s(buf, "%d", (int32)VAR_OFFSET(val));
} else if (cmd == 1) {
val = READ_LE_UINT16(ptrEnd + 18) * 4;
Common::strlcpy(buf, GET_VARO_STR(val), 20);
} else {
val = READ_LE_UINT16(ptrEnd + 18) * 4;
Common::sprintf_s(buf, "%d", (int32)VAR_OFFSET(val));
if (buf[0] == '-') {
while (strlen(buf) - 1 < (uint32)ptrEnd[17]) {
_vm->_util->insertStr("0", buf, 1);
}
} else {
while (strlen(buf) - 1 < (uint32)ptrEnd[17]) {
_vm->_util->insertStr("0", buf, 0);
}
}
_vm->_util->insertStr(",", buf, strlen(buf) + 1 - ptrEnd[17]);
}
_textToPrint = buf;
destSpriteX = _destSpriteX;
spriteOperation(DRAW_PRINTTEXT);
if (ptrEnd[17] & 0x80) {
if (ptr[1] == ' ') {
_destSpriteX += _fonts[_fontIndex]->getCharWidth();
while (ptr[1] == ' ')
ptr++;
if (ptr[1] == 2) {
if (READ_LE_UINT16(ptr + 4) == _destSpriteY)
ptr += 5;
}
} else if (ptr[1] == 2 && READ_LE_UINT16(ptr + 4) == _destSpriteY) {
ptr += 5;
_destSpriteX += _fonts[_fontIndex]->getCharWidth();
}
} else {
_destSpriteX = destSpriteX + _fonts[_fontIndex]->getCharWidth();
}
ptrEnd += 23;
ptr++;
}
}
delete textItem;
_renderFlags = savedFlags;
if (_renderFlags & RENDERFLAG_COLLISIONS)
_vm->_game->_hotspots->check(0, 0);
if ((_renderFlags & RENDERFLAG_CAPTUREPOP) && *_vm->_scenery->_pCaptureCounter != 0) {
(*_vm->_scenery->_pCaptureCounter)--;
_vm->_game->capturePop(1);
}
}
void Draw_v1::spriteOperation(int16 operation) {
int16 len;
int16 x, y;
int16 perLine;
Resource *resource;
operation &= 0x0F;
if (_sourceSurface >= 100)
_sourceSurface -= 80;
if (_destSurface >= 100)
_destSurface -= 80;
if (_renderFlags & RENDERFLAG_USEDELTAS) {
if (_sourceSurface == kBackSurface) {
_spriteLeft += _backDeltaX;
_spriteTop += _backDeltaY;
}
if (_destSurface == kBackSurface) {
_destSpriteX += _backDeltaX;
_destSpriteY += _backDeltaY;
if ((operation == DRAW_DRAWLINE) ||
((operation >= DRAW_DRAWBAR) &&
(operation <= DRAW_FILLRECTABS))) {
_spriteRight += _backDeltaX;
_spriteBottom += _backDeltaY;
}
}
}
Font *font = nullptr;
switch (operation) {
case DRAW_BLITSURF:
_spritesArray[_destSurface]->blit(*_spritesArray[_sourceSurface],
_spriteLeft, _spriteTop,
_spriteLeft + _spriteRight - 1,
_spriteTop + _spriteBottom - 1,
_destSpriteX, _destSpriteY, (_transparency == 0) ? -1 : 0);
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY,
_destSpriteX + _spriteRight - 1, _destSpriteY + _spriteBottom - 1);
break;
case DRAW_PUTPIXEL:
_spritesArray[_destSurface]->putPixel(_destSpriteX, _destSpriteY, _frontColor);
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY, _destSpriteX, _destSpriteY);
break;
case DRAW_FILLRECT:
_spritesArray[_destSurface]->fillRect(_destSpriteX, _destSpriteY,
_destSpriteX + _spriteRight - 1,
_destSpriteY + _spriteBottom - 1, _backColor);
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY,
_destSpriteX + _spriteRight - 1, _destSpriteY + _spriteBottom - 1);
break;
case DRAW_DRAWLINE:
_spritesArray[_destSurface]->drawLine(_destSpriteX, _destSpriteY,
_spriteRight, _spriteBottom, _frontColor);
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY, _spriteRight, _spriteBottom);
break;
case DRAW_INVALIDATE:
dirtiedRect(_destSurface, _destSpriteX - _spriteRight, _destSpriteY - _spriteBottom,
_destSpriteX + _spriteRight, _destSpriteY + _spriteBottom);
break;
case DRAW_LOADSPRITE:
resource = _vm->_game->_resources->getResource((uint16) _spriteLeft,
&_spriteRight, &_spriteBottom);
if (!resource)
break;
_vm->_video->drawPackedSprite(resource->getData(),
_spriteRight, _spriteBottom, _destSpriteX, _destSpriteY,
_transparency, *_spritesArray[_destSurface]);
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY,
_destSpriteX + _spriteRight - 1, _destSpriteY + _spriteBottom - 1);
delete resource;
break;
case DRAW_PRINTTEXT:
if ((_fontIndex >= kFontCount) || !_fonts[_fontIndex]) {
warning("Trying to print \"%s\" with undefined font %d", _textToPrint, _fontIndex);
break;
}
font = _fonts[_fontIndex];
len = strlen(_textToPrint);
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY,
_destSpriteX + len * font->getCharWidth() - 1,
_destSpriteY + font->getCharHeight() - 1);
for (int i = 0; i < len; i++) {
font->drawLetter(*_spritesArray[_destSurface], _textToPrint[i],
_destSpriteX, _destSpriteY, _frontColor, _backColor, _transparency);
_destSpriteX += font->getCharWidth();
}
break;
case DRAW_DRAWBAR:
_spritesArray[_destSurface]->drawLine(_destSpriteX, _spriteBottom,
_spriteRight, _spriteBottom, _frontColor);
_spritesArray[_destSurface]->drawLine(_destSpriteX, _destSpriteY,
_destSpriteX, _spriteBottom, _frontColor);
_spritesArray[_destSurface]->drawLine(_spriteRight, _destSpriteY,
_spriteRight, _spriteBottom, _frontColor);
_spritesArray[_destSurface]->drawLine(_destSpriteX, _destSpriteY,
_spriteRight, _destSpriteY, _frontColor);
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY, _spriteRight, _spriteBottom);
break;
case DRAW_CLEARRECT:
if (_backColor < 16) {
_spritesArray[_destSurface]->fillRect(_destSpriteX, _destSpriteY,
_spriteRight, _spriteBottom,
_backColor);
}
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY, _spriteRight, _spriteBottom);
break;
case DRAW_FILLRECTABS:
_spritesArray[_destSurface]->fillRect(_destSpriteX, _destSpriteY,
_spriteRight, _spriteBottom, _backColor);
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY, _spriteRight, _spriteBottom);
break;
case DRAW_DRAWLETTER:
if ((_fontIndex >= kFontCount) || !_fonts[_fontIndex]) {
warning("Trying to print \'%c\' with undefined font %d", _letterToPrint, _fontIndex);
break;
}
font = _fonts[_fontIndex];
if (_fontToSprite[_fontIndex].sprite == -1) {
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY,
_destSpriteX + font->getCharWidth() - 1,
_destSpriteY + font->getCharHeight() - 1);
font->drawLetter(*_spritesArray[_destSurface], _letterToPrint,
_destSpriteX, _destSpriteY, _frontColor, _backColor, _transparency);
break;
}
perLine =
_spritesArray[(int16)_fontToSprite[_fontIndex].sprite]->getWidth() /
_fontToSprite[_fontIndex].width;
y = (_letterToPrint - _fontToSprite[_fontIndex].base) / perLine *
_fontToSprite[_fontIndex].height;
x = (_letterToPrint - _fontToSprite[_fontIndex].base) % perLine *
_fontToSprite[_fontIndex].width;
dirtiedRect(_destSurface, _destSpriteX, _destSpriteY,
_destSpriteX + _fontToSprite[_fontIndex].width,
_destSpriteY + _fontToSprite[_fontIndex].height);
_spritesArray[_destSurface]->blit(*_spritesArray[(int16)_fontToSprite[_fontIndex].sprite], x, y,
x + _fontToSprite[_fontIndex].width,
y + _fontToSprite[_fontIndex].height,
_destSpriteX, _destSpriteY, (_transparency == 0) ? -1 : 0);
break;
default:
break;
}
if (_renderFlags & RENDERFLAG_USEDELTAS) {
if (_sourceSurface == kBackSurface) {
_spriteLeft -= _backDeltaX;
_spriteTop -= _backDeltaY;
}
if (_destSurface == kBackSurface) {
_destSpriteX -= _backDeltaX;
_destSpriteY -= _backDeltaY;
}
}
}
} // End of namespace Gob