mirror of
https://github.com/libretro/scummvm.git
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357 lines
8.8 KiB
C++
357 lines
8.8 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2003 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 "charset.h"
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#include "object.h"
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#include "resource.h"
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#include "scumm.h"
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#include "verbs.h"
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void Scumm::redrawVerbs() {
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int i;
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int verb = (_cursor.state > 0 ? checkMouseOver(_mouse.x, _mouse.y) : 0);
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for (i = _maxVerbs-1; i >= 0; i--) {
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if (i == verb && _verbs[verb].hicolor)
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drawVerb(i, 1);
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else
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drawVerb(i, 0);
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}
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_verbMouseOver = verb;
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}
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void Scumm::checkExecVerbs() {
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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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if (_verbMouseOver == verb)
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return;
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if (_verbs[_verbMouseOver].type != kImageVerbType) {
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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 != kImageVerbType && _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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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 verb, int mode) {
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VerbSlot *vs;
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bool tmp;
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if (!verb)
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return;
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vs = &_verbs[verb];
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if (!vs->saveid && vs->curmode && vs->verbid) {
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if (vs->type == kImageVerbType) {
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drawVerbBitmap(verb, vs->x, vs->y);
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return;
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}
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restoreVerbBG(verb);
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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 = _screenWidth - 1;
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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 (verb >= 31 && verb <= 36)
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verb += _inventoryOffset;
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*/
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_messagePtr = getResourceAddress(rtVerb, verb);
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if (!_messagePtr)
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return;
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assert(_messagePtr);
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if ((_features & GF_AFTER_V8) && (_messagePtr[0] == '/')) {
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char pointer[20];
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int i, j;
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translateText(_messagePtr, _transText);
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for (i = 0, j = 0; (_messagePtr[i] != '/' || j == 0) && j < 19; i++) {
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if (_messagePtr[i] != '/')
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pointer[j++] = _messagePtr[i];
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}
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pointer[j] = 0;
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_messagePtr = _transText;
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}
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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->_str.right;
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vs->bottom = _charset->_str.bottom;
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vs->old = _charset->_str;
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_charset->_str.left = _charset->_str.right;
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} else {
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restoreVerbBG(verb);
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}
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}
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void Scumm::restoreVerbBG(int verb) {
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VerbSlot *vs;
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vs = &_verbs[verb];
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if (vs->old.left != -1) {
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restoreBG(vs->old, vs->bkcolor);
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vs->old.left = -1;
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}
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}
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void Scumm::drawVerbBitmap(int verb, int x, int y) {
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VirtScreen *vs;
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VerbSlot *vst;
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byte twobufs, *imptr = 0;
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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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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, verb);
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assert(obim);
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if (_features & GF_OLD_BUNDLE) {
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imgw = obim[0];
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imgh = obim[1] >> 3;
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imptr = obim + 2;
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} else if (_features & GF_SMALL_HEADER) {
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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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if (_features & GF_AFTER_V8) {
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warning("drawVerbBitmap(%d, %d, %d)", verb, x, y);
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imptr = findResource(MKID('IMAG'), obim);
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assert(imptr);
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imptr = findResource(MKID('WRAP'), imptr);
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assert(imptr);
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imptr = findResource(MKID('OFFS'), imptr);
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assert(imptr);
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// Get the address of the second SMAP (corresponds to IM01)
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imptr += READ_LE_UINT32(imptr + 12);
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} else
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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", verb);
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}
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assert(imptr);
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for (i = 0; i < imgw; i++) {
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tmp = xstrip + i;
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if (tmp < gdi._numStrips)
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gdi.drawBitmap(imptr, vs, tmp, ydiff, imgw * 8, imgh * 8, i, 1, Gdi::dbAllowMaskOr);
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}
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vst = &_verbs[verb];
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vst->right = vst->x + imgw * 8;
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vst->bottom = vst->y + imgh * 8;
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vst->old.left = vst->x;
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vst->old.right = vst->right;
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vst->old.top = vst->y;
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vst->old.bottom = 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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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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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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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_OLD_BUNDLE) {
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for (i = (_numLocalObjects-1); 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_UINT16(foir.obim);
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byte *ptr = createResource(rtVerb, verb, size + 2);
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obcdptr = getResourceAddress(rtRoom, room) + getOBCDOffs(object);
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ptr[0] = *(obcdptr + 9); // Width
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ptr[1] = *(obcdptr + 15); // Height
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memcpy(ptr + 2, foir.obim, size);
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return;
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}
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}
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} else if (_features & GF_SMALL_HEADER) {
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for (i = (_numLocalObjects-1); i > 0; i--) {
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if (_objs[i].obj_nr == object) {
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// FIXME - the only thing we need from the OBCD is the image size!
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// So we could use almost the same code (save for offsets)
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// as in the GF_OLD_BUNDLE code. But of course that would break save games
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// unless we insert special conversion code... <sigh>
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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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return;
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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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