mirror of
https://github.com/libretro/scummvm.git
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319 lines
7.2 KiB
C++
319 lines
7.2 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001/2002 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "stdafx.h"
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#include "scumm.h"
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#include "object.h"
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#include "resource.h"
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void Scumm::redrawVerbs()
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{
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int i;
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for (i = 0; i < _maxVerbs; i++)
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drawVerb(i, 0);
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verbMouseOver(0);
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_verbRedraw = false;
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}
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void Scumm::checkExecVerbs()
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{
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int i, over;
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VerbSlot *vs;
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if (_userPut <= 0 || _mouseButStat == 0)
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return;
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if (_mouseButStat < MBS_MAX_KEY) {
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/* Check keypresses */
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vs = &_verbs[1];
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for (i = 1; i < _maxVerbs; i++, vs++) {
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if (vs->verbid && vs->saveid == 0 && vs->curmode == 1) {
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if (_mouseButStat == vs->key) {
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runInputScript(1, vs->verbid, 1);
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return;
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}
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}
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}
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runInputScript(4, _mouseButStat, 1);
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} else if (_mouseButStat & MBS_MOUSE_MASK) {
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byte code = _mouseButStat & MBS_LEFT_CLICK ? 1 : 2;
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if (mouse.y >= virtscr[0].topline && mouse.y < virtscr[0].topline + virtscr[0].height) {
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over = checkMouseOver(mouse.x, mouse.y);
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if (over != 0) {
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runInputScript(1, _verbs[over].verbid, code);
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return;
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}
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runInputScript(2, 0, code);
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} else {
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over = checkMouseOver(mouse.x, mouse.y);
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// FIXME For the future: Indy3 and under inv scrolling
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/*
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if (over >= 31 && over <= 36)
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over += _inventoryOffset;
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*/
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runInputScript(1, over != 0 ? _verbs[over].verbid : 0, code);
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}
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}
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}
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void Scumm::verbMouseOver(int verb)
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{
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if (_verbMouseOver == verb)
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return;
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if (_verbs[_verbMouseOver].type != 1) {
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drawVerb(_verbMouseOver, 0);
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_verbMouseOver = verb;
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}
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if (_verbs[verb].type != 1 && _verbs[verb].hicolor) {
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drawVerb(verb, 1);
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_verbMouseOver = verb;
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}
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}
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int Scumm::checkMouseOver(int x, int y)
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{
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VerbSlot *vs;
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int i = _maxVerbs - 1;
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vs = &_verbs[i];
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do {
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if (vs->curmode != 1 || !vs->verbid || vs->saveid || y < vs->y || y >= vs->bottom)
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continue;
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if (vs->center) {
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if (x < -(vs->right - vs->x - vs->x) || x >= vs->right)
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continue;
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} else {
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if (x < vs->x || x >= vs->right)
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continue;
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}
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return i;
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} while (--vs, --i);
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return 0;
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}
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void Scumm::drawVerb(int vrb, int mode)
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{
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VerbSlot *vs;
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byte tmp;
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if (!vrb)
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return;
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vs = &_verbs[vrb];
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if (!vs->saveid && vs->curmode && vs->verbid) {
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if (vs->type == 1) {
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drawVerbBitmap(vrb, vs->x, vs->y);
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return;
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}
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restoreVerbBG(vrb);
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_string[4].charset = vs->charset_nr;
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_string[4].xpos = vs->x;
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_string[4].ypos = vs->y;
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_string[4].right = 319;
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_string[4].center = vs->center;
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if (vs->curmode == 2)
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_string[4].color = vs->dimcolor;
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else if (mode && vs->hicolor)
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_string[4].color = vs->hicolor;
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else
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_string[4].color = vs->color;
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// FIXME For the future: Indy3 and under inv scrolling
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/*
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if (vrb >= 31 && vrb <= 36)
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vrb += _inventoryOffset;
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*/
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_messagePtr = getResourceAddress(rtVerb, vrb);
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if (!_messagePtr)
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return;
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assert(_messagePtr);
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tmp = charset._center;
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charset._center = 0;
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drawString(4);
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charset._center = tmp;
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vs->right = charset._strRight;
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vs->bottom = charset._strBottom;
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vs->oldleft = charset._strLeft;
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vs->oldright = charset._strRight;
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vs->oldtop = charset._strTop;
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vs->oldbottom = charset._strBottom;
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charset._strLeft = charset._strRight;
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} else {
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restoreVerbBG(vrb);
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}
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}
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void Scumm::restoreVerbBG(int verb)
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{
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VerbSlot *vs;
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vs = &_verbs[verb];
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if (vs->oldleft != -1) {
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_bkColor = vs->bkcolor;
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restoreBG(vs->oldleft, vs->oldtop, vs->oldright, vs->oldbottom);
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vs->oldleft = -1;
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}
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}
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void Scumm::drawVerbBitmap(int vrb, int x, int y)
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{
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VirtScreen *vs;
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VerbSlot *vst;
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byte twobufs, *imptr;
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int ydiff, xstrip;
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int imgw, imgh;
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int i, tmp;
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byte *obim;
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ImageHeader *imhd;
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uint32 size;
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if ((vs = findVirtScreen(y)) == NULL)
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return;
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_lastXstart = virtscr[0].xstart;
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gdi.disableZBuffer();
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twobufs = vs->alloctwobuffers;
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vs->alloctwobuffers = 0;
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xstrip = x >> 3;
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ydiff = y - vs->topline;
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obim = getResourceAddress(rtVerb, vrb);
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if (_features & GF_SMALL_HEADER) {
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int obj;
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obj = READ_LE_UINT16(obim + 6);
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size = READ_LE_UINT32(obim);
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imgw = (*(obim + size + 11));
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imgh = (*(obim + size + 17)) >> 3;
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imptr = (obim + 8);
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} else {
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imhd = (ImageHeader *)findResourceData(MKID('IMHD'), obim);
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if (_features & GF_AFTER_V7) {
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imgw = READ_LE_UINT16(&imhd->v7.width) >> 3;
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imgh = READ_LE_UINT16(&imhd->v7.height) >> 3;
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} else {
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imgw = READ_LE_UINT16(&imhd->old.width) >> 3;
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imgh = READ_LE_UINT16(&imhd->old.height) >> 3;
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}
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imptr = findResource(MKID('IM01'), obim);
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if (!imptr)
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error("No image for verb %d", vrb);
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}
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for (i = 0; i < imgw; i++) {
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tmp = xstrip + i;
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if ((uint) tmp < 40)
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gdi.drawBitmap(imptr, vs, tmp, ydiff, imgh << 3, i, 1, true);
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}
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vst = &_verbs[vrb];
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vst->right = vst->x + imgw * 8 - 1;
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vst->bottom = vst->y + imgh * 8 - 1;
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vst->oldleft = vst->x;
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vst->oldright = vst->right;
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vst->oldtop = vst->y;
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vst->oldbottom = vst->bottom;
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gdi.enableZBuffer();
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vs->alloctwobuffers = twobufs;
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}
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int Scumm::getVerbSlot(int id, int mode)
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{
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int i;
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for (i = 1; i < _maxVerbs; i++) {
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if (_verbs[i].verbid == id && _verbs[i].saveid == mode) {
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return i;
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}
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}
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return 0;
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}
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void Scumm::killVerb(int slot)
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{
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VerbSlot *vs;
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if (slot == 0)
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return;
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vs = &_verbs[slot];
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vs->verbid = 0;
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vs->curmode = 0;
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nukeResource(rtVerb, slot);
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if (vs->saveid == 0) {
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drawVerb(slot, 0);
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verbMouseOver(0);
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}
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vs->saveid = 0;
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}
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void Scumm::setVerbObject(uint room, uint object, uint verb)
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{
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byte *obimptr;
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byte *obcdptr;
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uint32 size, size2;
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FindObjectInRoom foir;
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int i;
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if (whereIsObject(object) == WIO_FLOBJECT)
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error("Can't grab verb image from flobject");
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if (_features & GF_SMALL_HEADER) {
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for (i = _numObjectsInRoom; i > 0; i--) {
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if (_objs[i].obj_nr == object) {
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findObjectInRoom(&foir, foImageHeader, object, room);
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size = READ_LE_UINT32(foir.obim);
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obcdptr = getResourceAddress(rtRoom, room) + getOBCDOffs(object);
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size2 = READ_LE_UINT32(obcdptr);
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createResource(rtVerb, verb, size + size2);
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obimptr = getResourceAddress(rtRoom, room) - foir.roomptr + foir.obim;
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obcdptr = getResourceAddress(rtRoom, room) + getOBCDOffs(object);
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memcpy(getResourceAddress(rtVerb, verb), obimptr, size);
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memcpy(getResourceAddress(rtVerb, verb) + size, obcdptr, size2);
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}
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}
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} else {
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findObjectInRoom(&foir, foImageHeader, object, room);
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size = READ_BE_UINT32_UNALIGNED(foir.obim + 4);
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createResource(rtVerb, verb, size);
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obimptr = getResourceAddress(rtRoom, room) - foir.roomptr + foir.obim;
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memcpy(getResourceAddress(rtVerb, verb), obimptr, size);
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}
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}
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