aboutsummaryrefslogtreecommitdiff
path: root/engines/m4/mads_logic.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'engines/m4/mads_logic.cpp')
-rw-r--r--engines/m4/mads_logic.cpp1038
1 files changed, 0 insertions, 1038 deletions
diff --git a/engines/m4/mads_logic.cpp b/engines/m4/mads_logic.cpp
deleted file mode 100644
index a7838d0e26..0000000000
--- a/engines/m4/mads_logic.cpp
+++ /dev/null
@@ -1,1038 +0,0 @@
-/* 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 2
- * of the License, or (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
-
-#include "common/textconsole.h"
-
-#include "m4/m4.h"
-#include "m4/dialogs.h"
-#include "m4/mads_logic.h"
-#include "m4/scene.h"
-
-#define MAX_CALL_PARAMS 10
-
-namespace M4 {
-
-void MadsGameLogic::initializeGlobals() {
- // Clear the entire globals list
- Common::fill(&_madsVm->globals()->_globals[0], &_madsVm->globals()->_globals[TOTAL_NUM_VARIABLES], 0);
-
- SET_GLOBAL(4, 8);
- SET_GLOBAL(33, 1);
- SET_GLOBAL(10, 0xFFFF);
- SET_GLOBAL(13, 0xFFFF);
- SET_GLOBAL(15, 0xFFFF);
- SET_GLOBAL(19, 0xFFFF);
- SET_GLOBAL(20, 0xFFFF);
- SET_GLOBAL(21, 0xFFFF);
- SET_GLOBAL(95, 0xFFFF);
-
- // TODO: unknown sub call
-
- // Put the values 0 through 3 in a random ordering in global slots 83 - 86
- for (int idx = 0; idx < 4; ) {
- int randVal = _madsVm->_random->getRandomNumber(4);
- SET_GLOBAL(83 + idx, randVal);
-
- // Check whether the given value has already been used
- bool flag = false;
- for (int idx2 = 0; idx2 < idx; ++idx2) {
- if (randVal == GET_GLOBAL(83 + idx2))
- flag = true;
- }
-
- if (!flag)
- ++idx;
- }
-
- // Put the values 0 through 3 in a random ordering in global slots 87 - 90
- for (int idx = 0; idx < 4; ) {
- int randVal = _madsVm->_random->getRandomNumber(3);
- SET_GLOBAL(87 + idx, randVal);
-
- // Check whether the given value has already been used
- bool flag = false;
- for (int idx2 = 0; idx2 < idx; ++idx2) {
- if (randVal == GET_GLOBAL(87 + idx2))
- flag = true;
- }
-
- if (!flag)
- ++idx;
- }
-
- // Miscellaneous global settings
- SET_GLOBAL(120, 501);
- SET_GLOBAL(121, 0xFFFF);
- SET_GLOBAL(110, 0xFFFF);
- SET_GLOBAL(119, 1);
- SET_GLOBAL(134, 4);
- SET_GLOBAL(190, 201);
- SET_GLOBAL(191, 301);
- SET_GLOBAL(192, 413);
- SET_GLOBAL(193, 706);
- SET_GLOBAL(194, 801);
- SET_GLOBAL(195, 551);
- SET_GLOBAL(196, 752);
-
- // Fill out the globals 200 - 209 with unique random number values less than 10000
- for (int idx = 0; idx < 10; ) {
- int randVal = _madsVm->_random->getRandomNumber(9999);
- SET_GLOBAL(200 + idx, randVal);
-
- // Check whether the given value has already been used
- bool flag = false;
- for (int idx2 = 0; idx2 < idx; ++idx2) {
- if (randVal == GET_GLOBAL(87 + idx2))
- flag = true;
- }
-
- if (!flag)
- ++idx;
- }
-
- switch (_madsVm->globals()->_difficultyLevel) {
- case 1:
- // Very hard
- SET_GLOBAL(35, 0);
- // TODO: object set room
- SET_GLOBAL(137, 5);
- SET_GLOBAL(136, 0);
- break;
-
- case 2:
- // Hard
- SET_GLOBAL(35, 0);
- // TODO: object set room
- SET_GLOBAL(136, 0xFFFF);
- SET_GLOBAL(137, 6);
- break;
-
- case 3:
- // Easy
- SET_GLOBAL(35, 2);
- // TODO: object set room
- break;
- }
-
- _madsVm->_player._direction = 8;
- _madsVm->_player._newDirection = 8;
-
- // TODO: unknown processing routine getting called for 'RXM' and 'ROX'
-}
-
-/*--------------------------------------------------------------------------*/
-
-const char *MadsSceneLogic::subFormatList[] = {"scene%d_enter", "scene%d_step", "scene%d_preaction", "scene%d_actions"};
-
-#define OPSIZE8 0x40 ///< when this bit is set - the operand size is 8 bits
-#define OPSIZE16 0x80 ///< when this bit is set - the operand size is 16 bits
-#define OPMASK 0x3F ///< mask to isolate the opcode
-
-enum Opcodes {
- OP_HALT = 0, OP_IMM = 1, OP_ZERO = 2, OP_ONE = 3, OP_MINUSONE = 4, OP_STR = 5, OP_DLOAD = 6,
- OP_DSTORE = 7, OP_PAL = 8, OP_LOAD = 9, OP_GLOAD = 10, OP_STORE = 11, OP_GSTORE = 12,
- OP_CALL = 13, OP_LIBCALL = 14, OP_RET = 15, OP_ALLOC = 16, OP_JUMP = 17, OP_JMPFALSE = 18,
- OP_JMPTRUE = 19, OP_EQUAL = 20, OP_LESS = 21, OP_LEQUAL = 22, OP_NEQUAL = 23, OP_GEQUAL = 24,
- OP_GREAT = 25, OP_PLUS = 26, OP_MINUS = 27, OP_LOR = 28, OP_MULT = 29, OP_DIV = 30,
- OP_MOD = 31, OP_AND = 32, OP_OR = 33, OP_EOR = 34, OP_LAND = 35, OP_NOT = 36, OP_COMP = 37,
- OP_NEG = 38, OP_DUP = 39,
- TOTAL_OPCODES = 40
-};
-
-const char *MadsSceneLogic::_opcodeStrings[] = {
- "HALT", "IMM", "ZERO", "ONE", "MINUSONE", "STR", "DLOAD", "DSTORE", NULL, "LOAD", "GLOAD",
- "STORE", "GSTORE", "CALL", "LIBCALL", "RET", "ALLOC", "JUMP", "JMPFALSE", "JMPTRUE", "EQUAL",
- "LESS", "LEQUAL", "NEQUAL", "GEQUAL", "GREAT", "PLUS", "MINUS", "LOR", "MULT", "DIV",
- "MOD", "AND", "OR", "EOR", "LAND", "NOT", "COMP", "NEG", "DUP"
-};
-
-/**
- * This method sets up the data map with pointers to all the common game objects. This allows the script engine to
- * convert game specific offsets for various fields in the original game's data segment into a generic data index
- * that will be common across all the MADS games
-
-void MadsSceneLogic::initializeDataMap() {
- // The unique order of these items must be maintained
-}
-*/
-
-uint32 MadsSceneLogic::getDataValue(int dataId) {
- switch (dataId) {
- case 1:
- return _madsVm->scene()->_abortTimersMode2;
- case 2:
- return _madsVm->scene()->_abortTimers;
- case 3:
- return _madsVm->_player._stepEnabled ? 0xffff : 0;
- case 4:
- return _madsVm->scene()->_nextScene;
- case 5:
- return _madsVm->scene()->_previousScene;
- case 6:
- return _madsVm->_player._playerPos.x;
- case 7:
- return _madsVm->_player._playerPos.y;
- case 8:
- return _madsVm->_player._direction;
- case 9:
- return _madsVm->_player._visible ? 0xffff : 0;
- case 10:
- return getActiveAnimationBool();
- case 11:
- return getAnimationCurrentFrame();
- case 12:
- return _madsVm->scene()->_action._inProgress;
- case 13:
- return _madsVm->globals()->_difficultyLevel;
- default:
- // All other data variables get stored in the hash table
- return _madsVm->globals()->_dataMap[dataId];
- break;
- }
-}
-
-void MadsSceneLogic::setDataValue(int dataId, uint16 dataValue) {
- switch (dataId) {
- case 1:
- _madsVm->scene()->_abortTimersMode2 = (AbortTimerMode)dataValue;
- break;
- case 2:
- _madsVm->scene()->_abortTimers = dataValue;
- break;
- case 3:
- _madsVm->_player._stepEnabled = dataValue != 0;
- break;
- case 4:
- _madsVm->scene()->_nextScene = dataValue;
- break;
- case 5:
- _madsVm->scene()->_previousScene = dataValue;
- break;
- case 6:
- _madsVm->_player._playerPos.x = dataValue;
- break;
- case 7:
- _madsVm->_player._playerPos.y = dataValue;
- break;
- case 8:
- _madsVm->_player._direction = dataValue;
- break;
- case 9:
- _madsVm->_player._visible = dataValue != 0;
- break;
- case 10:
- case 11:
- error("Tried to set read only data field %d", dataId);
- break;
- case 12:
- _madsVm->scene()->_action._inProgress = dataValue != 0;
- break;
- case 13:
- _madsVm->globals()->_difficultyLevel = dataValue;
- break;
- default:
- // All other data variables get stored in the hash table
- _madsVm->globals()->_dataMap[dataId] = dataValue;
- break;
- }
-}
-
-const char *MadsSceneLogic::formAnimName(char sepChar, int16 suffixNum) {
- return MADSResourceManager::getResourceName(sepChar, _sceneNumber, EXTTYPE_NONE, NULL, suffixNum);
-}
-
-void MadsSceneLogic::getSceneSpriteSet() {
- char prefix[100];
-
- // Room change sound
- _madsVm->_sound->playSound(5);
-
- // Set up sprite set prefix to use
- if ((_sceneNumber <= 103) || (_sceneNumber == 111)) {
- if (_madsVm->globals()->_globals[0] == SEX_FEMALE)
- strcpy(prefix, "ROX");
- else
- strcpy(prefix, "RXM");
- } else if (_sceneNumber <= 110) {
- strcpy(prefix, "RXSW");
- _madsVm->globals()->_globals[0] = SEX_UNKNOWN;
- } else if (_sceneNumber == 112)
- strcpy(prefix, "");
-
- _madsVm->globals()->playerSpriteChanged = true;
- _madsVm->_player.loadSprites(prefix);
-
-// if ((_sceneNumber == 105) ((_sceneNumber == 109) && (word_84800 != 0)))
-// _madsVm->globals()->playerSpriteChanged = true;
-
- _vm->_palette->setEntry(16, 0x38, 0xFF, 0xFF);
- _vm->_palette->setEntry(17, 0x38, 0xb4, 0xb4);
-}
-
-void MadsSceneLogic::getAnimName() {
- const char *newName = MADSResourceManager::getAAName(
- ((_sceneNumber <= 103) || (_sceneNumber > 111)) ? 0 : 1);
- strcpy(_madsVm->scene()->_aaName, newName);
-}
-
-/*--------------------------------------------------------------------------*/
-
-uint16 MadsSceneLogic::loadSpriteSet(uint16 suffixNum, uint16 sepChar) {
- assert(sepChar < 256);
- const char *resName = formAnimName((char)sepChar, (int16)suffixNum);
- return _madsVm->scene()->loadSceneSpriteSet(resName);
-}
-
-uint16 MadsSceneLogic::startReversibleSpriteSequence(uint16 srcSpriteIdx, bool flipped, int numTicks, int triggerCountdown, int timeoutTicks, int extraTicks) {
- M4Sprite *spriteFrame = _madsVm->scene()->_spriteSlots.getSprite(srcSpriteIdx).getFrame(0);
- uint8 depth = _madsVm->_rails->getDepth(Common::Point(spriteFrame->x + (spriteFrame->width() / 2),
- spriteFrame->y + (spriteFrame->height() / 2)));
-
- return _madsVm->scene()->_sequenceList.add(srcSpriteIdx, flipped, 1, triggerCountdown, timeoutTicks, extraTicks, numTicks, 0, 0,
- true, 100, depth - 1, 1, ANIMTYPE_REVERSIBLE, 0, 0);
-}
-
-uint16 MadsSceneLogic::startCycledSpriteSequence(uint16 srcSpriteIdx, bool flipped, int numTicks, int triggerCountdown, int timeoutTicks, int extraTicks) {
- M4Sprite *spriteFrame = _madsVm->scene()->_spriteSlots.getSprite(srcSpriteIdx).getFrame(0);
- uint8 depth = _madsVm->_rails->getDepth(Common::Point(spriteFrame->x + (spriteFrame->width() / 2),
- spriteFrame->y + (spriteFrame->height() / 2)));
-
- return _madsVm->scene()->_sequenceList.add(srcSpriteIdx, flipped, 1, triggerCountdown, timeoutTicks, extraTicks, numTicks, 0, 0,
- true, 100, depth - 1, 1, ANIMTYPE_CYCLED, 0, 0);
-}
-
-uint16 MadsSceneLogic::startSpriteSequence3(uint16 srcSpriteIdx, bool flipped, int numTicks, int triggerCountdown, int timeoutTicks, int extraTicks) {
- M4Sprite *spriteFrame = _madsVm->scene()->_spriteSlots.getSprite(srcSpriteIdx).getFrame(0);
- uint8 depth = _madsVm->_rails->getDepth(Common::Point(spriteFrame->x + (spriteFrame->width() / 2),
- spriteFrame->y + (spriteFrame->height() / 2)));
-
- return _madsVm->scene()->_sequenceList.add(srcSpriteIdx, flipped, 1, triggerCountdown, timeoutTicks, extraTicks, numTicks, 0, 0,
- true, 100, depth - 1, -1, ANIMTYPE_CYCLED, 0, 0);
-}
-
-void MadsSceneLogic::activateHotspot(int idx, bool active) {
- // TODO:
-}
-
-void MadsSceneLogic::getPlayerSpritesPrefix() {
- _madsVm->_sound->playSound(5);
-
- char oldName[80];
- strcpy(oldName, _madsVm->_player._spritesPrefix);
-
- if ((_madsVm->globals()->_nextSceneId <= 103) || (_madsVm->globals()->_nextSceneId == 111))
- strcpy(_madsVm->_player._spritesPrefix, (_madsVm->globals()->_globals[0] == SEX_FEMALE) ? "ROX" : "RXM");
- else if (_madsVm->globals()->_nextSceneId <= 110)
- strcpy(_madsVm->_player._spritesPrefix, "RXSM");
- else if (_madsVm->globals()->_nextSceneId == 112)
- strcpy(_madsVm->_player._spritesPrefix, "");
-
- if (strcmp(oldName, _madsVm->_player._spritesPrefix) != 0)
- _madsVm->_player._spritesChanged = true;
-
- if ((_madsVm->globals()->_nextSceneId == 105) ||
- ((_madsVm->globals()->_nextSceneId == 109) && (_madsVm->globals()->_globals[15] != 0))) {
- // TODO: unknown flag setting
- _madsVm->_player._spritesChanged = true;
- }
-
- _madsVm->_palette->setEntry(16, 40, 255, 255);
- _madsVm->_palette->setEntry(17, 40, 180, 180);
-
-}
-
-void MadsSceneLogic::getPlayerSpritesPrefix2() {
- _madsVm->_sound->playSound(5);
-
- char oldName[80];
- strcpy(oldName, _madsVm->_player._spritesPrefix);
-
- if ((_madsVm->globals()->_nextSceneId == 213) || (_madsVm->globals()->_nextSceneId == 216))
- strcpy(_madsVm->_player._spritesPrefix, "");
- else if (_madsVm->globals()->_globals[0] == SEX_MALE)
- strcpy(_madsVm->_player._spritesPrefix, "RXM");
- else
- strcpy(_madsVm->_player._spritesPrefix, "ROX");
-
- // TODO: unknown flag setting for next scene Id > 212
-
- if (strcmp(oldName, _madsVm->_player._spritesPrefix) != 0)
- _madsVm->_player._spritesChanged = true;
-
-/* if ((_madsVm->globals()->_nextSceneId == 203) && (_madsVm->globals()->_nextSceneId == 204) &&
- (_madsVm->globals()->_globals[0x22] == 0))
- // TODO: unknown flag set
-*/
- _madsVm->_palette->setEntry(16, 40, 255, 255);
- _madsVm->_palette->setEntry(17, 40, 180, 180);
-}
-
-
-/*--------------------------------------------------------------------------*/
-
-/**
- * Loads the MADS.DAT file and loads the script data for the correct game/language
- */
-void MadsSceneLogic::initializeScripts() {
- Common::File f;
- if (!f.open("mads.dat")) {
- warning("Could not locate mads.dat file");
- return;
- }
-
- // Validate that the file being read is a valid mads.dat file
- char header[4];
- f.read(&header[0], 4);
- if (strncmp(header, "MADS", 4) != 0) {
- warning("Invalid mads.dat file");
- return;
- }
-
- // Get a list of the offsets of game blocks
- uint32 v;
- Common::Array<uint32> offsets;
- while ((v = f.readUint32LE()) != 0)
- offsets.push_back(v);
-
- // Check the header of each block in turn
- _scriptsData = NULL;
- _scriptsSize = 0;
-
- for (uint i = 0; i < offsets.size(); ++i) {
- // Get the block header
- f.seek(offsets[i]);
- byte gameId = f.readByte();
- byte language = f.readByte();
- f.readByte(); // Language currently unused
-
- // If this block isn't for the current game, skip it
- if (_madsVm->getGameType() != (gameId + 2))
- continue;
- if ((language != 1) || (_madsVm->getLanguage() != Common::EN_ANY))
- continue;
-
- // Found script block for the given game and language.
- _scriptsSize = (i < (offsets.size() - 1)) ? offsets[i + 1] - offsets[i] : f.size() - offsets[i];
- break;
- }
-
- if (!_scriptsSize) {
- warning("Could not find appropriate scripts block for game in mads.dat file");
- f.close();
- return;
- }
-
- // Load up the list of subroutines into a hash map
- uint32 blockOffset = f.pos() - 3;
- uint32 subsStart = 0;
- for (;;) {
- // Get next entry
- Common::String subName;
- char c;
- while ((c = (char)f.readByte()) != '\0')
- subName += c;
- if (subName.empty())
- // Reached end of subroutine list
- break;
-
- // Read in the offset of the routine
- uint32 offset = f.readUint32LE();
- if (_subroutines.empty()) {
- // The first subroutine offset is used to reduce the amount of data to later load in. In essence,
- // the subroutine index will not be separately loaded, since it's contents will be in the hash map
- subsStart = offset;
- _scriptsSize -= offset;
- }
-
- _subroutines[subName] = offset - subsStart;
- _subroutineOffsets.push_back(offset - subsStart);
- }
-
- // Read in the remaining data
- f.seek(blockOffset + subsStart, SEEK_SET);
- _scriptsData = (byte *)malloc(_scriptsSize);
- f.read(_scriptsData, _scriptsSize);
-
- f.close();
-}
-
-void MadsSceneLogic::selectScene(int sceneNum) {
- assert(sceneNum == 101);
- _sceneNumber = sceneNum;
-
- Common::fill(&_spriteIndexes[0], &_spriteIndexes[50], 0);
-
- // If debugging is turned on, show a debug warning if any of the scene methods aren't present
- if (gDebugLevel > 0) {
- for (int i = 0; i < 4; ++i) {
- char buffer[20];
- sprintf(buffer, subFormatList[i], sceneNum);
- Common::HashMap<Common::String, uint32>::iterator it = _subroutines.find(Common::String(buffer));
- if (it == _subroutines.end())
- debugC(1, kDebugScript, "Scene method %s not found", buffer);
- }
- }
-}
-
-void MadsSceneLogic::setupScene() {
- // FIXME: This is the hardcoded logic for Rex scene 101 only
- const char *animName = formAnimName('A', -1);
- warning("anim - %s", animName);
-
-// sub_1e754(animName, 3);
-
- if ((_sceneNumber >= 101) && (_sceneNumber <= 112))
- getPlayerSpritesPrefix();
- else
- getPlayerSpritesPrefix2();
-
- getAnimName();
-}
-
-/**
- * Handles the logic when a scene is entered
- */
-void MadsSceneLogic::doEnterScene() {
- char buffer[20];
- sprintf(buffer, subFormatList[SUBFORMAT_ENTER], _sceneNumber);
- execute(Common::String(buffer));
-}
-
-/**
- * Handles the script execution which is called regularly every frame
- */
-void MadsSceneLogic::doSceneStep() {
- char buffer[20];
- sprintf(buffer, subFormatList[SUBFORMAT_STEP], _sceneNumber);
- execute(Common::String(buffer));
-}
-
-/**
- * Handles and preactions before an action is started
- */
-void MadsSceneLogic::doPreactions() {
- char buffer[20];
- sprintf(buffer, subFormatList[SUBFORMAT_PREACTIONS], _sceneNumber);
- execute(Common::String(buffer));
-}
-
-/**
- * Handles any action that has been selected
- */
-void MadsSceneLogic::doAction() {
- char buffer[20];
- sprintf(buffer, subFormatList[SUBFORMAT_ACTIONS], _sceneNumber);
- execute(Common::String(buffer));
-}
-
-/**
- * Executes the script with the specified name
- */
-void MadsSceneLogic::execute(const Common::String &scriptName) {
- Common::HashMap<Common::String, uint32>::iterator it = _subroutines.find(scriptName);
- if (it != _subroutines.end())
- execute(it->_value);
-}
-
-#define UNUSED_VAL 0xEAEAEAEA
-/**
- * Executes the script at the specified offset
- */
-void MadsSceneLogic::execute(uint32 subOffset) {
- Common::Array<ScriptVar> locals;
- Common::Stack<ScriptVar> stack;
- char opcodeBuffer[100];
- uint32 scriptOffset = subOffset;
- uint32 param;
-
- debugC(1, kDebugScript, "executing script at %xh", subOffset);
-
- bool done = false;
- while (!done) {
- param = UNUSED_VAL;
- byte opcode = _scriptsData[scriptOffset++];
- sprintf(opcodeBuffer, "%.4x[%.2d] - %s", scriptOffset - 1, stack.size(), _opcodeStrings[opcode & OPMASK]);
-
- switch (opcode & OPMASK) {
- case OP_HALT: // end of program
- case OP_RET:
- done = true;
- break;
-
- case OP_IMM: // Loads immediate value onto stack
- param = getParam(scriptOffset, opcode);
- stack.push(ScriptVar(param));
- break;
-
- case OP_ZERO: // loads zero onto stack
- stack.push(ScriptVar((uint32)0));
- break;
-
- case OP_ONE: // loads one onto stack
- stack.push(ScriptVar(1));
- break;
-
- case OP_MINUSONE: // loads minus one (0xffff) onto stack
- stack.push(ScriptVar(0xffff));
- break;
-
- case OP_DLOAD: { // Gets data variable
- param = getParam(scriptOffset, opcode);
- uint16 v = getDataValue(param);
- stack.push(ScriptVar(v));
- break;
- }
-
- case OP_DSTORE: { // Stores data variable
- param = getParam(scriptOffset, opcode);
- ScriptVar v = stack.pop();
- setDataValue(param, v.isInt() ? v.get() : 0);
- break;
- }
-
- case OP_LOAD: // loads local variable onto stack
- param = getParam(scriptOffset, opcode);
- stack.push(locals[param]);
- break;
-
- case OP_STORE: // Pops a value and stores it in a local
- // Get the local index and expand the locals store if necessary
- param = getParam(scriptOffset, opcode);
- while (param >= locals.size())
- locals.push_back(ScriptVar());
-
- locals[param] = stack.pop();
- break;
-
- case OP_GLOAD: // loads global variable onto stack
- param = getParam(scriptOffset, opcode);
- assert(param < TOTAL_NUM_VARIABLES);
- stack.push(_madsVm->globals()->_globals[param]);
- break;
-
- case OP_GSTORE: // pops stack and stores in global variable
- param = getParam(scriptOffset, opcode);
- assert(param < TOTAL_NUM_VARIABLES);
- _madsVm->globals()->_globals[param] = stack.pop().get();
- break;
-
- case OP_CALL: // procedure call
- param = getParam(scriptOffset, opcode);
- assert(param < _subroutineOffsets.size());
- execute(_subroutineOffsets[param]);
- break;
-
- case OP_LIBCALL: // library procedure or function call
- param = getParam(scriptOffset, opcode);
- callSubroutine(param, stack);
- break;
-
- case OP_JUMP: // unconditional jump
- param = subOffset + getParam(scriptOffset, opcode);
- scriptOffset = param;
- break;
-
- case OP_JMPFALSE: // conditional jump
- param = subOffset + getParam(scriptOffset, opcode);
- if (stack.pop().get() == 0)
- // Condition satisfied - do the jump
- scriptOffset = param;
- break;
-
- case OP_JMPTRUE: // conditional jump
- param = subOffset + getParam(scriptOffset, opcode);
- if (stack.pop().get() != 0)
- // Condition satisfied - do the jump
- scriptOffset = param;
- break;
-
- case OP_EQUAL: // tests top two items on stack for equality
- case OP_LESS: // tests top two items on stack
- case OP_LEQUAL: // tests top two items on stack
- case OP_NEQUAL: // tests top two items on stack
- case OP_GEQUAL: // tests top two items on stack
- case OP_GREAT: // tests top two items on stack
- case OP_LOR: // logical or of top two items on stack and replaces with result
- case OP_LAND: // logical ands top two items on stack and replaces with result
- {
- uint32 param2 = stack.pop().get();
- uint32 param1 = stack.pop().get();
-
- // Do the comparison
- uint32 tmp = 0;
- switch (opcode) {
- case OP_EQUAL: tmp = (param1 == param2); break;
- case OP_LESS: tmp = (param1 < param2); break;
- case OP_LEQUAL: tmp = (param1 <= param2); break;
- case OP_NEQUAL: tmp = (param1 != param2); break;
- case OP_GEQUAL: tmp = (param1 >= param2); break;
- case OP_GREAT: tmp = (param1 > param2); break;
-
- case OP_LOR: tmp = (param1 || param2); break;
- case OP_LAND: tmp = (param1 && param2); break;
- }
-
- stack.push(ScriptVar(tmp));
- }
- break;
-
- case OP_PLUS: // adds top two items on stack and replaces with result
- case OP_MINUS: // subs top two items on stack and replaces with result
- case OP_MULT: // multiplies top two items on stack and replaces with result
- case OP_DIV: // divides top two items on stack and replaces with result
- case OP_MOD: // divides top two items on stack and replaces with modulus
- case OP_AND: // bitwise ands top two items on stack and replaces with result
- case OP_OR: // bitwise ors top two items on stack and replaces with result
- case OP_EOR: // bitwise exclusive ors top two items on stack and replaces with result
- {
- uint32 param2 = stack.pop().get();
- uint32 param1 = stack.pop().get();
-
- // replace other operand with result of operation
- switch (opcode) {
- case OP_PLUS: param1 += param2; break;
- case OP_MINUS: param1 -= param2; break;
- case OP_MULT: param1 *= param2; break;
- case OP_DIV: param1 /= param2; break;
- case OP_MOD: param1 %= param2; break;
- case OP_AND: param1 &= param2; break;
- case OP_OR: param1 |= param2; break;
- case OP_EOR: param1 ^= param2; break;
- }
-
- stack.push(ScriptVar(param1));
- }
- break;
-
- case OP_NOT: // logical nots top item on stack
- param = stack.pop().get();
- stack.push(ScriptVar((uint32)(!param) & 0xffff));
- break;
-
- case OP_COMP: // complements top item on stack
- param = stack.pop().get();
- stack.push(ScriptVar((~param) & 0xffff));
- break;
-
- case OP_NEG: // negates top item on stack
- param = stack.pop().get();
- stack.push(ScriptVar(((uint32)-(int32)param) & 0xffff));
- break;
-
- case OP_DUP: // duplicates top item on stack
- stack.push(stack.top());
- break;
-
- default:
- error("execute() - Unknown opcode");
- }
-
- // check for stack size
- assert(stack.size() < 100);
-
- if (gDebugLevel > 0) {
- if (param != UNUSED_VAL)
- sprintf(opcodeBuffer + strlen(opcodeBuffer), "\t%u", param);
- debugC(2, kDebugScript, "%s", opcodeBuffer);
- }
- }
-
- debugC(1, kDebugScript, "finished executing script");
-
- // make sure stack is unwound
- assert(stack.size() == 0);
-}
-
-uint32 MadsSceneLogic::getParam(uint32 &scriptOffset, int opcode) {
- switch (opcode & (~OPMASK)) {
- case OPSIZE8:
- return _scriptsData[scriptOffset++];
- case OPSIZE16: {
- uint16 v = READ_LE_UINT16(&_scriptsData[scriptOffset]);
- scriptOffset += sizeof(uint16);
- return v;
- }
- default: {
- uint32 v = READ_LE_UINT32(&_scriptsData[scriptOffset]);
- scriptOffset += sizeof(uint32);
- return v;
- }
- }
-}
-
-/**
- * Support method for extracting the required number of parameters needed for a library routine call
- */
-void MadsSceneLogic::getCallParameters(int numParams, Common::Stack<ScriptVar> &stack, ScriptVar *callParams) {
- assert(numParams <= MAX_CALL_PARAMS);
- for (int i = 0; i < numParams; ++i, ++callParams)
- *callParams = stack.pop();
-}
-
-#define EXTRACT_PARAMS(n) getCallParameters(n, stack, p)
-
-void MadsSceneLogic::callSubroutine(int subIndex, Common::Stack<ScriptVar> &stack) {
- ScriptVar p[MAX_CALL_PARAMS];
-
- switch (subIndex) {
- case 1: {
- // dialog_show
- EXTRACT_PARAMS(1);
- Dialog *dlg = new Dialog(_vm, p[0].getStr(), "TODO: Proper Title");
- _vm->_viewManager->addView(dlg);
- _vm->_viewManager->moveToFront(dlg);
- break;
- }
-
- case 2:
- // SequenceList_remove
- EXTRACT_PARAMS(1);
- _madsVm->scene()->_sequenceList.remove(p[0]);
- break;
-
- case 3:
- case 6:
- case 20: {
- // 3: start_reversible_sprite_sequence
- // 6: start_cycled_sprite_sequence
- // 20: start_sprite_sequence3
- EXTRACT_PARAMS(6);
- int idx;
- if (subIndex == 3)
- idx = startReversibleSpriteSequence(p[0], p[1] != 0, p[2], p[3], p[4], p[5]);
- else if (subIndex == 6)
- idx = startCycledSpriteSequence(p[0], p[1], p[2], p[3], p[4], p[5]);
- else
- idx = startSpriteSequence3(p[0], p[1] != 0, p[2], p[3], p[4], p[5]);
- stack.push(ScriptVar(idx));
- break;
- }
-
- case 4:
- // SequenceList_setAnimRange
- EXTRACT_PARAMS(3);
- _madsVm->scene()->_sequenceList.setAnimRange(p[0], p[1], p[2]);
- break;
-
- case 5:
- // SequenceList_addSubEntry
- EXTRACT_PARAMS(4);
- stack.push(ScriptVar(_madsVm->scene()->_sequenceList.addSubEntry(p[0], (SequenceSubEntryMode)p[1].get(), p[2], p[3])));
- break;
-
- case 7: {
- // quotes_get_pointer
- EXTRACT_PARAMS(1);
- const char *quoteStr = _madsVm->globals()->getQuote(p[0]);
- stack.push(ScriptVar(quoteStr));
- break;
- }
-
- case 8: {
- // KernelMessageList_add
- EXTRACT_PARAMS(8);
- int msgIndex = _madsVm->scene()->_kernelMessages.add(Common::Point(p[0], p[1]), p[2],
- p[3], p[4], p[5] | (p[6] << 16), p[7].getStr());
- stack.push(ScriptVar(msgIndex));
- break;
- }
-
- case 9:
- // SequenceList_unk3
- EXTRACT_PARAMS(1);
- // TODO: Implement unk3 method
-// stack.push(ScriptVar(_madsVm->scene()->_sequenceList.unk3(p[0])));
- break;
-
- case 10:
- // start_sound
- EXTRACT_PARAMS(1);
- _madsVm->_sound->playSound(p[0]);
- break;
-
- case 11:
- // SceneLogic_formAnimName
- EXTRACT_PARAMS(2);
- stack.push(ScriptVar(formAnimName((char)p[0], p[1])));
- break;
-
- case 12:
- // SpriteList_addSprites
- EXTRACT_PARAMS(2);
- stack.push(ScriptVar(_madsVm->scene()->_spriteSlots.addSprites(p[0].getStr(), false, p[1])));
- break;
-
- case 13:
- // hotspot_activate
- EXTRACT_PARAMS(2);
- // TODO: Implement setActive version that takes in a hotspot Id
-// _madsVm->scene()->getSceneResources().hotspots->setActive(p[0], p[1] != 0);
- break;
-
- case 14: {
- // DynamicHotspots_add
- EXTRACT_PARAMS(7);
- int idx = _madsVm->scene()->_dynamicHotspots.add(p[0], p[1], p[2],
- Common::Rect(p[6], p[5], p[6] + p[4], p[5] + p[3]));
- stack.push(ScriptVar(idx));
- break;
- }
-
- case 15:
- // SequenceList_setDepth
- EXTRACT_PARAMS(2);
- _madsVm->scene()->_sequenceList.setDepth(p[0], p[1]);
- break;
-
- case 16: {
- // quotes_load
- // Quotes loading can take an arbitrary number of quote Ids, terminated by a 0
- int firstId = -1;
- int quoteId;
- while ((quoteId = stack.pop()) != 0) {
- if (firstId == -1)
- firstId = quoteId;
- _madsVm->globals()->loadQuote(quoteId);
- }
-
- if (firstId != -1)
- stack.push(ScriptVar(_madsVm->globals()->getQuote(firstId)));
- break;
- }
-
- case 17: {
- // form_resource_name
- EXTRACT_PARAMS(4);
- const char *suffix = NULL;
- if (p[4].isInt()) {
- // If integer provided for suffix, it must be a value of 0 (NULL)
- uint32 vTemp = p[4] | stack.pop();
- assert(!vTemp);
- } else
- suffix = p[4].getStr();
-
- stack.push(ScriptVar(MADSResourceManager::getResourceName((char)p[1], p[0], (ExtensionType)p[3].get(),
- suffix, (int16)p[2])));
- break;
- }
-
- case 18:
- // MadsScene_loadAnimation
- EXTRACT_PARAMS(3);
- _madsVm->scene()->loadAnimation(p[1].getStr(), p[0]);
- break;
-
- case 19: {
- // Action_isAction
- int verbId = stack.pop();
- int objectNameId = (verbId == 0) ? 0 : stack.pop().get();
- int indirectObjectId = (objectNameId == 0) ? 0 : stack.pop().get();
-
- stack.push(ScriptVar(_madsVm->scene()->_action.isAction(verbId, objectNameId, indirectObjectId)));
- break;
- }
-
- case 21:
- // DynamicHotspots_remove
- EXTRACT_PARAMS(1);
- _madsVm->scene()->_dynamicHotspots.remove(p[0]);
- break;
-
- case 22: {
- // object_is_present
- EXTRACT_PARAMS(1);
- const MadsObject *obj = _madsVm->globals()->getObject(p[0]);
- stack.push(ScriptVar((obj->_roomNumber == _madsVm->scene()->_currentScene)));
- break;
- }
-
- case 23:
- // inventory_add
- EXTRACT_PARAMS(1);
- _madsVm->scene()->getInterface()->addObjectToInventory(p[0]);
- break;
-
- case 24: {
- // dialog_picture_show
- EXTRACT_PARAMS(3);
- int messageId = p[0] | (p[1] << 16);
- int objectNum = p[2];
- warning("TODO: Implement dialog with picture. MessageId=%d, objectNum=%d", messageId, objectNum);
- break;
- }
-
- case 25: {
- // object_is_in_inventory
- EXTRACT_PARAMS(1);
- const MadsObject *obj = _madsVm->globals()->getObject(p[0]);
- stack.push(ScriptVar(obj->isInInventory()));
- break;
- }
-
- case 26: {
- // object_set_room
- EXTRACT_PARAMS(2);
- MadsObject *obj = _madsVm->globals()->getObject(p[0]);
- obj->setRoom(p[1]);
- break;
- }
-
- case 27: {
- // object_get_id_from_desc
- EXTRACT_PARAMS(1);
- stack.push(_madsVm->globals()->getObjectIndex(p[0]));
- break;
- }
-
- case 28: {
- // object_get_folder
- EXTRACT_PARAMS(1);
- stack.push(_madsVm->globals()->getObjectFolder(p[0]));
- break;
- }
-
- case 29:
- // inventory_remove
- EXTRACT_PARAMS(1);
- _madsVm->scene()->getInterface()->addObjectToInventory(p[0]);
- break;
-
- case 30:
- // image_inter_list_call
- EXTRACT_PARAMS(1);
- warning("TODO: image_inter_list_call");
- break;
-
- case 31:
- // dialog_flags_show
- warning("todo: dialog_flags_show");
- break;
-
- default:
- error("Unknown subroutine %d called", subIndex);
- break;
- }
-}
-
-#undef EXTRACT_PARAMS
-
-}