mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-13 21:31:53 +00:00
646 lines
16 KiB
C++
646 lines
16 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "kyra/script_tim.h"
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#include "kyra/script.h"
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#include "kyra/resource.h"
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#include "kyra/sound.h"
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#include "kyra/wsamovie.h"
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#include "common/endian.h"
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namespace Kyra {
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TIMInterpreter::TIMInterpreter(KyraEngine_v1 *vm, Screen_v2 *screen, OSystem *system) : _vm(vm), _screen(screen), _system(system), _currentTim(0) {
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#define COMMAND(x) { &TIMInterpreter::x, #x }
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#define COMMAND_UNIMPL() { 0, 0 }
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#define cmd_return(n) cmd_return_##n
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static const CommandEntry commandProcs[] = {
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// 0x00
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COMMAND(cmd_initFunc0),
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COMMAND(cmd_stopCurFunc),
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COMMAND(cmd_initWSA),
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COMMAND(cmd_uninitWSA),
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// 0x04
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COMMAND(cmd_initFunc),
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COMMAND(cmd_stopFunc),
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COMMAND(cmd_wsaDisplayFrame),
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COMMAND_UNIMPL(),
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// 0x08
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COMMAND(cmd_loadVocFile),
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COMMAND(cmd_unloadVocFile),
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COMMAND(cmd_playVocFile),
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COMMAND_UNIMPL(),
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// 0x0C
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COMMAND(cmd_loadSoundFile),
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COMMAND(cmd_return(1)),
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COMMAND(cmd_playMusicTrack),
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COMMAND_UNIMPL(),
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// 0x10
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COMMAND(cmd_return(1)),
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COMMAND(cmd_return(1)),
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COMMAND_UNIMPL(),
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COMMAND_UNIMPL(),
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// 0x14
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COMMAND(cmd_setLoopIp),
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COMMAND(cmd_continueLoop),
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COMMAND(cmd_resetLoopIp),
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COMMAND(cmd_resetAllRuntimes),
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// 0x18
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COMMAND(cmd_return(1)),
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COMMAND(cmd_execOpcode),
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COMMAND(cmd_initFuncNow),
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COMMAND(cmd_stopFuncNow),
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// 0x1C
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COMMAND(cmd_return(1)),
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COMMAND(cmd_return(1)),
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COMMAND(cmd_return(n1))
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};
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#undef cmd_return
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_commands = commandProcs;
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_commandsSize = ARRAYSIZE(commandProcs);
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memset(&_animations, 0, sizeof(_animations));
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_langData = 0;
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_textDisplayed = false;
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_textAreaBuffer = new uint8[320*40];
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assert(_textAreaBuffer);
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_palDelayInc = _palDiff = _palDelayAcc = 0;
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}
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TIMInterpreter::~TIMInterpreter() {
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delete[] _langData;
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delete[] _textAreaBuffer;
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}
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TIM *TIMInterpreter::load(const char *filename, const Common::Array<const TIMOpcode*> *opcodes) {
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if (!_vm->resource()->exists(filename))
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return 0;
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ScriptFileParser file(filename, _vm->resource());
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if (!file)
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error("Couldn't open TIM file '%s'", filename);
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uint32 formBlockSize = file.getFORMBlockSize();
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if (formBlockSize == 0xFFFFFFFF)
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error("No FORM chunk found in TIM file '%s'", filename);
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if (formBlockSize < 20)
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error("TIM file '%s' FORM chunk size smaller than 20", filename);
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TIM *tim = new TIM;
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assert(tim);
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memset(tim, 0, sizeof(TIM));
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tim->procFunc = -1;
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tim->opcodes = opcodes;
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uint32 avtlChunkSize = file.getIFFBlockSize(AVTL_CHUNK);
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uint32 textChunkSize = file.getIFFBlockSize(TEXT_CHUNK);
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tim->avtl = new uint16[avtlChunkSize/2];
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if (textChunkSize != 0xFFFFFFFF)
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tim->text = new byte[textChunkSize];
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if (!file.loadIFFBlock(AVTL_CHUNK, tim->avtl, avtlChunkSize))
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error("Couldn't read AVTL chunk in TIM file '%s'", filename);
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if (textChunkSize != 0xFFFFFFFF && !file.loadIFFBlock(TEXT_CHUNK, tim->text, textChunkSize))
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error("Couldn't read TEXT chunk in TIM file '%s'", filename);
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avtlChunkSize >>= 1;
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for (uint i = 0; i < avtlChunkSize; ++i)
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tim->avtl[i] = READ_LE_UINT16(tim->avtl + i);
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int num = (avtlChunkSize < TIM::kCountFuncs) ? avtlChunkSize : (int)TIM::kCountFuncs;
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for (int i = 0; i < num; ++i)
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tim->func[i].avtl = tim->avtl + tim->avtl[i];
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strncpy(tim->filename, filename, 13);
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return tim;
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}
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void TIMInterpreter::unload(TIM *&tim) const {
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if (!tim)
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return;
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delete[] tim->text;
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delete[] tim->avtl;
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delete tim;
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tim = 0;
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}
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void TIMInterpreter::setLangData(const char *filename) {
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delete[] _langData;
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_langData = _vm->resource()->fileData(filename, 0);
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}
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void TIMInterpreter::exec(TIM *tim, bool loop) {
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if (!tim)
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return;
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_currentTim = tim;
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if (!_currentTim->func[0].ip) {
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_currentTim->func[0].ip = _currentTim->func[0].avtl;
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_currentTim->func[0].nextTime = _currentTim->func[0].lastTime = _system->getMillis();
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}
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do {
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for (_currentFunc = 0; _currentFunc < TIM::kCountFuncs; ++_currentFunc) {
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TIM::Function &cur = _currentTim->func[_currentFunc];
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if (_currentTim->procFunc != -1)
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execCommand(28, &_currentTim->procParam);
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bool running = true;
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while (cur.ip && cur.nextTime <= _system->getMillis() && running) {
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int8 opcode = int8(cur.ip[2] & 0xFF);
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switch (execCommand(opcode, cur.ip + 3)) {
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case -1:
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loop = false;
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running = false;
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_currentFunc = 11;
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break;
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case -2:
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running = false;
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break;
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case -3:
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_currentTim->procFunc = _currentFunc;
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break;
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case 22:
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cur.loopIp = 0;
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break;
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default:
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break;
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}
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if (cur.ip) {
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cur.ip += cur.ip[0];
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cur.lastTime = cur.nextTime;
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cur.nextTime += cur.ip[1] * _vm->tickLength();
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}
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}
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}
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} while (loop);
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}
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void TIMInterpreter::refreshTimersAfterPause(uint32 elapsedTime) {
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if (!_currentTim)
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return;
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for (int i = 0; i < TIM::kCountFuncs; i++) {
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if (_currentTim->func[i].lastTime)
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_currentTim->func[i].lastTime += elapsedTime;
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if (_currentTim->func[i].nextTime)
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_currentTim->func[i].nextTime += elapsedTime;
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}
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}
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void TIMInterpreter::displayText(uint16 textId, int16 flags) {
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char *text = getTableEntry(textId);
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if (_textDisplayed) {
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_screen->copyBlockToPage(0, 0, 160, 320, 40, _textAreaBuffer);
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_textDisplayed = false;
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}
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if (!text)
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return;
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if (!text[0])
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return;
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char filename[16];
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memset(filename, 0, sizeof(filename));
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if (text[0] == '$') {
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const char *end = strchr(text+1, '$');
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if (end)
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memcpy(filename, text+1, end-1-text);
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}
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if (filename[0])
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_vm->sound()->voicePlay(filename);
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if (text[0] == '$')
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text = strchr(text + 1, '$') + 1;
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setupTextPalette((flags < 0) ? 1 : flags, 0);
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if (flags < 0) {
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static const uint8 colorMap[] = { 0x00, 0xF0, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
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_screen->setFont(Screen::FID_8_FNT);
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_screen->setTextColorMap(colorMap);
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_screen->_charWidth = -2;
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}
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_screen->_charOffset = -4;
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_screen->copyRegionToBuffer(0, 0, 160, 320, 40, _textAreaBuffer);
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_textDisplayed = true;
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char backupChar = 0;
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char *str = text;
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int heightAdd = 0;
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while (str[0]) {
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char *nextLine = strchr(str, '\r');
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backupChar = 0;
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if (nextLine) {
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backupChar = nextLine[0];
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nextLine[0] = '\0';
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}
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int width = _screen->getTextWidth(str);
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if (flags >= 0)
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_screen->printText(str, (320 - width) >> 1, 160 + heightAdd, 0xF0, 0x00);
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else
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_screen->printText(str, (320 - width) >> 1, 188, 0xF0, 0x00);
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heightAdd += _screen->getFontHeight();
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str += strlen(str);
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if (backupChar) {
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nextLine[0] = backupChar;
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++str;
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}
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}
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_screen->_charOffset = 0;
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if (flags < 0) {
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static const uint8 colorMap[] = { 0x00, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0x00, 0x00, 0x00, 0x00 };
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_screen->setFont(Screen::FID_INTRO_FNT);
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_screen->setTextColorMap(colorMap);
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_screen->_charWidth = 0;
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}
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}
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void TIMInterpreter::setupTextPalette(uint index, int fadePalette) {
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static const uint16 palTable[] = {
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0x00, 0x00, 0x00,
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0x64, 0x64, 0x64,
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0x61, 0x51, 0x30,
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0x29, 0x48, 0x64,
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0x00, 0x4B, 0x3B,
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0x64, 0x1E, 0x1E,
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};
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for (int i = 0; i < 15; ++i) {
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uint8 *palette = _screen->getPalette(0) + (240 + i) * 3;
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uint8 c1 = (((15 - i) << 2) * palTable[index*3+0]) / 100;
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uint8 c2 = (((15 - i) << 2) * palTable[index*3+1]) / 100;
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uint8 c3 = (((15 - i) << 2) * palTable[index*3+2]) / 100;
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palette[0] = c1;
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palette[1] = c2;
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palette[2] = c3;
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}
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if (!fadePalette && !_palDiff) {
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_screen->setScreenPalette(_screen->getPalette(0));
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} else {
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_screen->getFadeParams(_screen->getPalette(0), fadePalette, _palDelayInc, _palDiff);
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_palDelayAcc = 0;
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}
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}
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TIMInterpreter::Animation *TIMInterpreter::initAnimStruct(int index, const char *filename, int x, int y, int, int offscreenBuffer, uint16 wsaFlags) {
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Animation *anim = &_animations[index];
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anim->x = x;
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anim->y = y;
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anim->wsaCopyParams = wsaFlags;
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uint16 wsaOpenFlags = ((wsaFlags & 0x10) != 0) ? 2 : 0;
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char file[32];
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snprintf(file, 32, "%s.WSA", filename);
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if (_vm->resource()->exists(file)) {
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anim->wsa = new WSAMovie_v2(_vm, _screen);
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assert(anim->wsa);
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anim->wsa->open(file, wsaOpenFlags, (index == 1) ? _screen->getPalette(0) : 0);
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}
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if (anim->wsa && anim->wsa->opened()) {
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if (x == -1)
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anim->x = x = 0;
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if (y == -1)
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anim->y = y = 0;
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if (wsaFlags & 2) {
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_screen->fadePalette(_screen->getPalette(1), 15, 0);
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_screen->clearPage(8);
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_screen->checkedPageUpdate(8, 4);
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_screen->updateScreen();
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}
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if (wsaFlags & 4) {
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snprintf(file, 32, "%s.CPS", filename);
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if (_vm->resource()->exists(file)) {
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_screen->loadBitmap(file, 3, 3, _screen->getPalette(0));
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_screen->copyRegion(0, 0, 0, 0, 320, 200, 2, 8, Screen::CR_NO_P_CHECK);
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_screen->checkedPageUpdate(8, 4);
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_screen->updateScreen();
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}
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anim->wsa->setX(x);
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anim->wsa->setY(y);
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anim->wsa->setDrawPage(0);
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anim->wsa->displayFrame(0, 0, 0, 0);
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}
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if (wsaFlags & 2)
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_screen->fadePalette(_screen->getPalette(0), 30, 0);
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} else {
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if (wsaFlags & 2) {
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_screen->fadePalette(_screen->getPalette(1), 15, 0);
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_screen->clearPage(8);
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_screen->checkedPageUpdate(8, 4);
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_screen->updateScreen();
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}
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snprintf(file, 32, "%s.CPS", filename);
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if (_vm->resource()->exists(file)) {
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_screen->loadBitmap(file, 3, 3, _screen->getPalette(0));
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_screen->copyRegion(0, 0, 0, 0, 320, 200, 2, 8, Screen::CR_NO_P_CHECK);
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_screen->checkedPageUpdate(8, 4);
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_screen->updateScreen();
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}
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if (wsaFlags & 2)
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_screen->fadePalette(_screen->getPalette(0), 30, 0);
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}
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return anim;
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}
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char *TIMInterpreter::getTableEntry(uint idx) {
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if (!_langData)
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return 0;
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else
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return (char *)(_langData + READ_LE_UINT16(_langData + (idx<<1)));
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}
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const char *TIMInterpreter::getCTableEntry(uint idx) const {
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if (!_langData)
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return 0;
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else
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return (const char *)(_langData + READ_LE_UINT16(_langData + (idx<<1)));
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}
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int TIMInterpreter::execCommand(int cmd, const uint16 *param) {
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if (cmd < 0 || cmd >= _commandsSize) {
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warning("Calling unimplemented TIM command %d from file '%s'", cmd, _currentTim->filename);
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return 0;
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}
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if (_commands[cmd].proc == 0) {
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warning("Calling unimplemented TIM command %d from file '%s'", cmd, _currentTim->filename);
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return 0;
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}
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debugC(5, kDebugLevelScript, "TIMInterpreter::%s(%p)", _commands[cmd].desc, (const void* )param);
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return (this->*_commands[cmd].proc)(param);
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}
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int TIMInterpreter::cmd_initFunc0(const uint16 *param) {
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for (int i = 0; i < TIM::kWSASlots; ++i)
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memset(&_currentTim->wsa[i], 0, sizeof(TIM::WSASlot));
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_currentTim->func[0].ip = _currentTim->func[0].avtl;
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_currentTim->func[0].lastTime = _system->getMillis();
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return 1;
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}
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int TIMInterpreter::cmd_stopCurFunc(const uint16 *param) {
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if (_currentFunc < TIM::kCountFuncs)
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_currentTim->func[_currentFunc].ip = 0;
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if (!_currentFunc)
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_finished = true;
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return -2;
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}
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int TIMInterpreter::cmd_initWSA(const uint16 *param) {
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const int index = param[0];
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TIM::WSASlot &slot = _currentTim->wsa[index];
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slot.x = int16(param[2]);
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slot.y = int16(param[3]);
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slot.offscreen = param[4];
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slot.wsaFlags = param[5];
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const char *filename = (const char *)(_currentTim->text + READ_LE_UINT16(_currentTim->text + (param[1]<<1)));
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slot.anim = initAnimStruct(index, filename, slot.x, slot.y, 10, slot.offscreen, slot.wsaFlags);
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return 1;
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}
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int TIMInterpreter::cmd_uninitWSA(const uint16 *param) {
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const int index = param[0];
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TIM::WSASlot &slot = _currentTim->wsa[index];
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if (!slot.anim)
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return 0;
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Animation &anim = _animations[index];
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if (slot.offscreen) {
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delete anim.wsa;
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anim.wsa = 0;
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slot.anim = 0;
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} else {
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//XXX
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delete anim.wsa;
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memset(&anim, 0, sizeof(Animation));
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memset(&slot, 0, sizeof(TIM::WSASlot));
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}
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return 1;
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}
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int TIMInterpreter::cmd_initFunc(const uint16 *param) {
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uint16 func = *param;
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assert(func < TIM::kCountFuncs);
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if (_currentTim->func[func].avtl)
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_currentTim->func[func].ip = _currentTim->func[func].avtl;
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else
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_currentTim->func[func].avtl = _currentTim->func[func].ip = _currentTim->avtl + _currentTim->avtl[func];
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return 1;
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}
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int TIMInterpreter::cmd_stopFunc(const uint16 *param) {
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uint16 func = *param;
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assert(func < TIM::kCountFuncs);
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_currentTim->func[func].ip = 0;
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return 1;
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}
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|
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int TIMInterpreter::cmd_wsaDisplayFrame(const uint16 *param) {
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Animation &anim = _animations[param[0]];
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const int frame = param[1];
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anim.wsa->setX(anim.x);
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anim.wsa->setY(anim.y);
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anim.wsa->setDrawPage((anim.wsaCopyParams & 0x4000) != 0 ? 2 : 8);
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anim.wsa->displayFrame(frame, anim.wsaCopyParams & 0xF0FF, 0, 0);
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return 1;
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}
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|
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int TIMInterpreter::cmd_displayText(const uint16 *param) {
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displayText(param[0], param[1]);
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return 1;
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|
}
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|
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int TIMInterpreter::cmd_loadVocFile(const uint16 *param) {
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|
const int stringId = param[0];
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|
const int index = param[1];
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|
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_vocFiles[index] = (const char *)(_currentTim->text + READ_LE_UINT16(_currentTim->text + (stringId << 1)));
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for (int i = 0; i < 4; ++i)
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_vocFiles[index].deleteLastChar();
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return 1;
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|
}
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|
|
|
int TIMInterpreter::cmd_unloadVocFile(const uint16 *param) {
|
|
const int index = param[0];
|
|
_vocFiles[index].clear();
|
|
return 1;
|
|
}
|
|
|
|
int TIMInterpreter::cmd_playVocFile(const uint16 *param) {
|
|
const int index = param[0];
|
|
const int volume = (param[1] * 255) / 100;
|
|
|
|
if (index < ARRAYSIZE(_vocFiles) && !_vocFiles[index].empty())
|
|
_vm->sound()->voicePlay(_vocFiles[index].c_str()/*, volume*/, true);
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else
|
|
_vm->snd_playSoundEffect(index, volume);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int TIMInterpreter::cmd_loadSoundFile(const uint16 *param) {
|
|
const char *file = (const char *)(_currentTim->text + READ_LE_UINT16(_currentTim->text + (param[0]<<1)));
|
|
_vm->sound()->loadSoundFile(file);
|
|
return 1;
|
|
}
|
|
|
|
int TIMInterpreter::cmd_playMusicTrack(const uint16 *param) {
|
|
_vm->sound()->playTrack(param[0]);
|
|
return 1;
|
|
}
|
|
|
|
int TIMInterpreter::cmd_setLoopIp(const uint16 *param) {
|
|
_currentTim->func[_currentFunc].loopIp = _currentTim->func[_currentFunc].ip;
|
|
return 1;
|
|
}
|
|
|
|
int TIMInterpreter::cmd_continueLoop(const uint16 *param) {
|
|
TIM::Function &func = _currentTim->func[_currentFunc];
|
|
|
|
if (!func.loopIp)
|
|
return -2;
|
|
|
|
func.ip = func.loopIp;
|
|
|
|
uint16 factor = param[0];
|
|
if (factor) {
|
|
const uint32 random = _vm->_rnd.getRandomNumberRng(0, 0x8000);
|
|
uint32 waitTime = (random * factor) / 0x8000;
|
|
func.nextTime += waitTime * _vm->tickLength();
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int TIMInterpreter::cmd_resetLoopIp(const uint16 *param) {
|
|
_currentTim->func[_currentFunc].loopIp = 0;
|
|
return 1;
|
|
}
|
|
|
|
int TIMInterpreter::cmd_resetAllRuntimes(const uint16 *param) {
|
|
for (int i = 0; i < TIM::kCountFuncs; ++i) {
|
|
if (_currentTim->func[i].ip)
|
|
_currentTim->func[i].nextTime = _system->getMillis();
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int TIMInterpreter::cmd_execOpcode(const uint16 *param) {
|
|
const uint16 opcode = *param++;
|
|
|
|
if (!_currentTim->opcodes) {
|
|
warning("Trying to execute TIM opcode %d without opcode list (file '%s')", opcode, _currentTim->filename);
|
|
return 0;
|
|
}
|
|
|
|
if (opcode > _currentTim->opcodes->size()) {
|
|
warning("Calling unimplemented TIM opcode(0x%.02X/%d) from file '%s'", opcode, opcode, _currentTim->filename);
|
|
return 0;
|
|
}
|
|
|
|
if (!(*_currentTim->opcodes)[opcode]->isValid()) {
|
|
warning("Calling unimplemented TIM opcode(0x%.02X/%d) from file '%s'", opcode, opcode, _currentTim->filename);
|
|
return 0;
|
|
}
|
|
|
|
return (*(*_currentTim->opcodes)[opcode])(_currentTim, param);
|
|
}
|
|
|
|
int TIMInterpreter::cmd_initFuncNow(const uint16 *param) {
|
|
uint16 func = *param;
|
|
assert(func < TIM::kCountFuncs);
|
|
_currentTim->func[func].ip = _currentTim->func[func].avtl;
|
|
_currentTim->func[func].lastTime = _currentTim->func[func].nextTime = _system->getMillis();
|
|
return 1;
|
|
}
|
|
|
|
int TIMInterpreter::cmd_stopFuncNow(const uint16 *param) {
|
|
uint16 func = *param;
|
|
assert(func < TIM::kCountFuncs);
|
|
_currentTim->func[func].ip = 0;
|
|
_currentTim->func[func].lastTime = _currentTim->func[func].nextTime = _system->getMillis();
|
|
return 1;
|
|
}
|
|
|
|
} // end of namespace Kyra
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