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game.h
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game.h
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/*
* REminiscence - Flashback interpreter
* Copyright (C) 2005-2019 Gregory Montoir (cyx@users.sourceforge.net)
*/
#ifndef GAME_H__
#define GAME_H__
#include "intern.h"
#include "cutscene.h"
#include "menu.h"
#include "mixer.h"
#include "resource.h"
#include "seq_player.h"
#include "video.h"
struct File;
struct FileSystem;
struct SystemStub;
enum {
kCheatOneHitKill = 1 << 0,
kCheatNoHit = 1 << 1,
kCheatLifeCounter = 1 << 2
};
struct Game {
typedef int (Game::*pge_OpcodeProc)(ObjectOpcodeArgs *args);
typedef int (Game::*pge_ZOrderCallback)(LivePGE *, LivePGE *, uint8_t, uint8_t);
typedef int (Game::*col_Callback1)(LivePGE *, LivePGE *, int16_t, int16_t);
typedef int (Game::*col_Callback2)(LivePGE *, int16_t, int16_t, int16_t);
enum {
kIngameSaveSlot = 0,
kRewindSize = 120, // 10mins (~2MB)
kAutoSaveSlot = 255,
kAutoSaveIntervalMs = 5 * 1000
};
enum {
CT_UP_ROOM = 0x00,
CT_DOWN_ROOM = 0x40,
CT_RIGHT_ROOM = 0x80,
CT_LEFT_ROOM = 0xC0
};
static const Demo _demoInputs[3];
static const Level _gameLevels[];
static const uint16_t _scoreTable[];
static const uint8_t _monsterListLevel1[];
static const uint8_t _monsterListLevel2[];
static const uint8_t _monsterListLevel3[];
static const uint8_t _monsterListLevel4_1[];
static const uint8_t _monsterListLevel4_2[];
static const uint8_t _monsterListLevel5_1[];
static const uint8_t _monsterListLevel5_2[];
static const uint8_t *_monsterListLevels[];
static const uint8_t _monsterPals[4][32];
static const char *_monsterNames[2][4];
static const pge_OpcodeProc _pge_opcodeTable[];
static const uint8_t _pge_modKeysTable[];
static const uint8_t _protectionCodeData[];
static const uint8_t _protectionWordData[];
static const uint8_t _protectionNumberDataAmiga[];
static const uint8_t _protectionCodeDataAmiga[];
static const uint8_t _protectionPal[];
Cutscene _cut;
Menu _menu;
Mixer _mix;
Resource _res;
SeqPlayer _seq;
Video _vid;
SystemStub *_stub;
FileSystem *_fs;
const char *_savePath;
File _rewindBuffer[kRewindSize];
int _rewindPtr, _rewindLen;
uint32_t _cheats;
const uint8_t *_stringsTable;
const char **_textsTable;
uint8_t _currentLevel;
uint8_t _skillLevel;
int _demoBin;
uint32_t _score;
uint8_t _currentRoom;
uint8_t _currentIcon;
bool _loadMap;
uint8_t _printLevelCodeCounter;
uint32_t _randSeed;
uint16_t _currentInventoryIconNum;
uint16_t _curMonsterFrame;
uint16_t _curMonsterNum;
uint8_t _blinkingConradCounter;
uint16_t _textToDisplay;
bool _eraseBackground;
AnimBufferState _animBuffer0State[41];
AnimBufferState _animBuffer1State[6]; // Conrad
AnimBufferState _animBuffer2State[42];
AnimBufferState _animBuffer3State[12];
AnimBuffers _animBuffers;
uint16_t _deathCutsceneCounter;
bool _saveStateCompleted;
bool _endLoop;
uint32_t _frameTimestamp;
WidescreenMode _widescreenMode;
bool _autoSave;
uint32_t _saveTimestamp;
Game(SystemStub *, FileSystem *, FileSystem *, const char *savePath, int level, ResourceType ver, Language lang, WidescreenMode widescreenMode, bool autoSave, uint32_t cheats);
void run();
void displayTitleScreenAmiga();
void displayTitleScreenMac(int num);
void resetGameState();
void mainLoop();
void updateTiming();
void playCutscene(int id = -1);
bool playCutsceneSeq(const char *name);
bool hasLevelMap(int level, int room) const;
void loadLevelMap();
void loadLevelData();
void drawIcon(uint8_t iconNum, int16_t x, int16_t y, uint8_t colMask);
void drawCurrentInventoryItem();
void printLevelCode();
void showFinalScore();
bool handleConfigPanel();
bool handleContinueAbort();
void printSaveStateCompleted();
void drawLevelTexts();
void drawStoryTexts();
void drawString(const uint8_t *p, int x, int y, uint8_t color, bool hcenter = false);
void prepareAnims();
void prepareAnimsHelper(LivePGE *pge, int16_t dx, int16_t dy);
void drawAnims();
void drawAnimBuffer(uint8_t stateNum, AnimBufferState *state);
void drawPiege(AnimBufferState *state);
void drawObject(const uint8_t *dataPtr, int16_t x, int16_t y, uint8_t flags);
void drawObjectFrame(const uint8_t *bankDataPtr, const uint8_t *dataPtr, int16_t x, int16_t y, uint8_t flags);
void drawCharacter(const uint8_t *dataPtr, int16_t x, int16_t y, uint8_t a, uint8_t b, uint8_t flags);
int loadMonsterSprites(LivePGE *pge);
void playSound(uint8_t sfxId, uint8_t softVol);
uint16_t getRandomNumber();
void changeLevel();
void handleInventory();
// protection
bool handleProtectionScreenShape();
bool handleProtectionScreenWords();
// pieges
bool _pge_playAnimSound;
MessagePGE _pge_messages[256];
MessagePGE *_pge_messagesTable[256]; // indexed by pge number
MessagePGE *_pge_nextFreeMessage;
LivePGE *_pge_liveTable2[256]; // active pieges list (index = pge number)
LivePGE *_pge_liveTable1[256]; // pieges list by room (index = room)
LivePGE _pgeLive[256];
uint8_t _pge_currentPiegeRoom;
bool _pge_currentPiegeFacingDir; // (false == left)
bool _pge_processOBJ;
uint8_t _pge_inpKeysMask;
uint16_t _pge_opGunVar;
uint16_t _pge_compareVar1;
uint16_t _pge_compareVar2;
uint8_t _pge_zoomPiegeNum;
uint8_t _pge_zoomCounter;
int _pge_zoomX, _pge_zoomY;
void pge_resetMessages();
void pge_clearMessages(uint8_t pge_index);
int pge_hasMessageData(LivePGE *pge, uint16_t msg_num, uint16_t counter) const;
void pge_loadForCurrentLevel(uint16_t idx);
void pge_process(LivePGE *pge);
void pge_setupNextAnimFrame(LivePGE *pge, MessagePGE *le);
void pge_playAnimSound(LivePGE *pge, uint16_t arg2);
void pge_setupAnim(LivePGE *pge);
int pge_execute(LivePGE *live_pge, InitPGE *init_pge, const Object *obj);
void pge_prepare();
void pge_setupDefaultAnim(LivePGE *pge);
uint16_t pge_processOBJ(LivePGE *pge);
void pge_setupOtherPieges(LivePGE *pge, InitPGE *init_pge);
void pge_addToCurrentRoomList(LivePGE *pge, uint8_t room);
void pge_getInput();
int pge_op_isInpUp(ObjectOpcodeArgs *args);
int pge_op_isInpBackward(ObjectOpcodeArgs *args);
int pge_op_isInpDown(ObjectOpcodeArgs *args);
int pge_op_isInpForward(ObjectOpcodeArgs *args);
int pge_op_isInpUpMod(ObjectOpcodeArgs *args);
int pge_op_isInpBackwardMod(ObjectOpcodeArgs *args);
int pge_op_isInpDownMod(ObjectOpcodeArgs *args);
int pge_op_isInpForwardMod(ObjectOpcodeArgs *args);
int pge_op_isInpIdle(ObjectOpcodeArgs *args);
int pge_op_isInpNoMod(ObjectOpcodeArgs *args);
int pge_op_getCollision0u(ObjectOpcodeArgs *args);
int pge_op_getCollision00(ObjectOpcodeArgs *args);
int pge_op_getCollision0d(ObjectOpcodeArgs *args);
int pge_op_getCollision1u(ObjectOpcodeArgs *args);
int pge_op_getCollision10(ObjectOpcodeArgs *args);
int pge_op_getCollision1d(ObjectOpcodeArgs *args);
int pge_op_getCollision2u(ObjectOpcodeArgs *args);
int pge_op_getCollision20(ObjectOpcodeArgs *args);
int pge_op_getCollision2d(ObjectOpcodeArgs *args);
int pge_op_doesNotCollide0u(ObjectOpcodeArgs *args);
int pge_op_doesNotCollide00(ObjectOpcodeArgs *args);
int pge_op_doesNotCollide0d(ObjectOpcodeArgs *args);
int pge_op_doesNotCollide1u(ObjectOpcodeArgs *args);
int pge_op_doesNotCollide10(ObjectOpcodeArgs *args);
int pge_op_doesNotCollide1d(ObjectOpcodeArgs *args);
int pge_op_doesNotCollide2u(ObjectOpcodeArgs *args);
int pge_op_doesNotCollide20(ObjectOpcodeArgs *args);
int pge_op_doesNotCollide2d(ObjectOpcodeArgs *args);
int pge_op_collides0o0d(ObjectOpcodeArgs *args);
int pge_op_collides2o2d(ObjectOpcodeArgs *args);
int pge_op_collides0o0u(ObjectOpcodeArgs *args);
int pge_op_collides2o2u(ObjectOpcodeArgs *args);
int pge_op_collides2u2o(ObjectOpcodeArgs *args);
int pge_hasPiegeSentMessage(ObjectOpcodeArgs *args);
int pge_op_sendMessageData0(ObjectOpcodeArgs *args);
int pge_op_sendMessageData1(ObjectOpcodeArgs *args);
int pge_op_sendMessageData2(ObjectOpcodeArgs *args);
int pge_op_sendMessageData3(ObjectOpcodeArgs *args);
int pge_op_isPiegeDead(ObjectOpcodeArgs *args);
int pge_op_collides1u2o(ObjectOpcodeArgs *args);
int pge_op_collides1u1o(ObjectOpcodeArgs *args);
int pge_op_collides1o1u(ObjectOpcodeArgs *args);
int pge_o_unk0x2B(ObjectOpcodeArgs *args);
int pge_o_unk0x2C(ObjectOpcodeArgs *args);
int pge_o_unk0x2D(ObjectOpcodeArgs *args);
int pge_op_nop(ObjectOpcodeArgs *args);
int pge_op_pickupObject(ObjectOpcodeArgs *args);
int pge_op_addItemToInventory(ObjectOpcodeArgs *args);
int pge_op_copyPiege(ObjectOpcodeArgs *args);
int pge_op_canUseCurrentInventoryItem(ObjectOpcodeArgs *args);
int pge_op_removeItemFromInventory(ObjectOpcodeArgs *args);
int pge_o_unk0x34(ObjectOpcodeArgs *args);
int pge_op_isInpMod(ObjectOpcodeArgs *args);
int pge_op_setCollisionState1(ObjectOpcodeArgs *args);
int pge_op_setCollisionState0(ObjectOpcodeArgs *args);
int pge_hasMessageData0(ObjectOpcodeArgs *args);
int pge_hasMessageData1(ObjectOpcodeArgs *args);
int pge_hasMessageData2(ObjectOpcodeArgs *args);
int pge_hasMessageData3(ObjectOpcodeArgs *args);
int pge_o_unk0x3C(ObjectOpcodeArgs *args);
int pge_o_unk0x3D(ObjectOpcodeArgs *args);
int pge_op_setPiegeCounter(ObjectOpcodeArgs *args);
int pge_op_decPiegeCounter(ObjectOpcodeArgs *args);
int pge_o_unk0x40(ObjectOpcodeArgs *args);
int pge_op_wakeUpPiege(ObjectOpcodeArgs *args);
int pge_op_removePiege(ObjectOpcodeArgs *args);
int pge_op_removePiegeIfNotNear(ObjectOpcodeArgs *args);
int pge_op_loadPiegeCounter(ObjectOpcodeArgs *args);
int pge_o_unk0x45(ObjectOpcodeArgs *args);
int pge_o_unk0x46(ObjectOpcodeArgs *args);
int pge_o_unk0x47(ObjectOpcodeArgs *args);
int pge_o_unk0x48(ObjectOpcodeArgs *args);
int pge_o_unk0x49(ObjectOpcodeArgs *args);
int pge_op_killInventoryPiege(ObjectOpcodeArgs *args);
int pge_op_killPiege(ObjectOpcodeArgs *args);
int pge_op_isInCurrentRoom(ObjectOpcodeArgs *args);
int pge_op_isNotInCurrentRoom(ObjectOpcodeArgs *args);
int pge_op_scrollPosY(ObjectOpcodeArgs *args);
int pge_op_playDefaultDeathCutscene(ObjectOpcodeArgs *args);
int pge_o_unk0x50(ObjectOpcodeArgs *args);
int pge_o_unk0x52(ObjectOpcodeArgs *args);
int pge_o_unk0x53(ObjectOpcodeArgs *args);
int pge_op_isPiegeNear(ObjectOpcodeArgs *args);
int pge_op_setLife(ObjectOpcodeArgs *args);
int pge_op_incLife(ObjectOpcodeArgs *args);
int pge_op_setPiegeDefaultAnim(ObjectOpcodeArgs *args);
int pge_op_setLifeCounter(ObjectOpcodeArgs *args);
int pge_op_decLifeCounter(ObjectOpcodeArgs *args);
int pge_op_playCutscene(ObjectOpcodeArgs *args);
int pge_op_compareUnkVar(ObjectOpcodeArgs *args);
int pge_op_playDeathCutscene(ObjectOpcodeArgs *args);
int pge_o_unk0x5D(ObjectOpcodeArgs *args);
int pge_o_unk0x5E(ObjectOpcodeArgs *args);
int pge_o_unk0x5F(ObjectOpcodeArgs *args);
int pge_op_findAndCopyPiege(ObjectOpcodeArgs *args);
int pge_op_isInRandomRange(ObjectOpcodeArgs *args);
int pge_o_unk0x62(ObjectOpcodeArgs *args);
int pge_o_unk0x63(ObjectOpcodeArgs *args);
int pge_o_unk0x64(ObjectOpcodeArgs *args);
int pge_op_addToCredits(ObjectOpcodeArgs *args);
int pge_op_subFromCredits(ObjectOpcodeArgs *args);
int pge_o_unk0x67(ObjectOpcodeArgs *args);
int pge_op_setCollisionState2(ObjectOpcodeArgs *args);
int pge_op_saveState(ObjectOpcodeArgs *args);
int pge_o_unk0x6A(ObjectOpcodeArgs *args);
int pge_isToggleable(ObjectOpcodeArgs *args);
int pge_o_unk0x6C(ObjectOpcodeArgs *args);
int pge_op_isCollidingObject(ObjectOpcodeArgs *args);
int pge_o_unk0x6E(ObjectOpcodeArgs *args);
int pge_o_unk0x6F(ObjectOpcodeArgs *args);
int pge_o_unk0x70(ObjectOpcodeArgs *args);
int pge_o_unk0x71(ObjectOpcodeArgs *args);
int pge_o_unk0x72(ObjectOpcodeArgs *args);
int pge_o_unk0x73(ObjectOpcodeArgs *args);
int pge_op_collides4u(ObjectOpcodeArgs *args);
int pge_op_doesNotCollide4u(ObjectOpcodeArgs *args);
int pge_op_isBelowConrad(ObjectOpcodeArgs *args);
int pge_op_isAboveConrad(ObjectOpcodeArgs *args);
int pge_op_isNotFacingConrad(ObjectOpcodeArgs *args);
int pge_op_isFacingConrad(ObjectOpcodeArgs *args);
int pge_op_collides2u1u(ObjectOpcodeArgs *args);
int pge_op_displayText(ObjectOpcodeArgs *args);
int pge_o_unk0x7C(ObjectOpcodeArgs *args);
int pge_op_playSound(ObjectOpcodeArgs *args);
int pge_o_unk0x7E(ObjectOpcodeArgs *args);
int pge_o_unk0x7F(ObjectOpcodeArgs *args);
int pge_op_setPiegePosX(ObjectOpcodeArgs *args);
int pge_op_setPiegePosModX(ObjectOpcodeArgs *args);
int pge_op_changeRoom(ObjectOpcodeArgs *args);
int pge_op_hasInventoryItem(ObjectOpcodeArgs *args);
int pge_op_changeLevel(ObjectOpcodeArgs *args);
int pge_op_shakeScreen(ObjectOpcodeArgs *args);
int pge_o_unk0x86(ObjectOpcodeArgs *args);
int pge_op_playSoundGroup(ObjectOpcodeArgs *args);
int pge_op_adjustPos(ObjectOpcodeArgs *args);
int pge_op_setGunVar(ObjectOpcodeArgs *args);
int pge_op_compareGunVar(ObjectOpcodeArgs *args);
int pge_setCurrentInventoryObject(LivePGE *pge);
void pge_updateInventory(LivePGE *pge1, LivePGE *pge2);
void pge_reorderInventory(LivePGE *pge);
LivePGE *pge_getPreviousInventoryItem(LivePGE *pge, LivePGE *last_pge);
void pge_addToInventory(LivePGE *pge1, LivePGE *pge2, LivePGE *pge3);
int pge_updateCollisionState(LivePGE *pge, int16_t pge_dy, uint8_t value);
int pge_ZOrder(LivePGE *pge, int16_t num, pge_ZOrderCallback compare, uint16_t unk);
void pge_sendMessage(uint8_t src_pge_index, uint8_t dst_pge_index, int16_t num);
void pge_removeFromInventory(LivePGE *pge1, LivePGE *pge2, LivePGE *pge3);
int pge_ZOrderByAnimY(LivePGE *pge1, LivePGE *pge2, uint8_t comp, uint8_t comp2);
int pge_ZOrderByAnimYIfType(LivePGE *pge1, LivePGE *pge2, uint8_t comp, uint8_t comp2);
int pge_ZOrderIfIndex(LivePGE *pge1, LivePGE *pge2, uint8_t comp, uint8_t comp2);
int pge_ZOrderByIndex(LivePGE *pge1, LivePGE *pge2, uint8_t comp, uint8_t comp2);
int pge_ZOrderByObj(LivePGE *pge1, LivePGE *pge2, uint8_t comp, uint8_t comp2);
int pge_ZOrderIfDifferentDirection(LivePGE *pge1, LivePGE *pge2, uint8_t comp, uint8_t comp2);
int pge_ZOrderIfSameDirection(LivePGE *pge1, LivePGE *pge2, uint8_t comp, uint8_t comp2);
int pge_ZOrderIfTypeAndSameDirection(LivePGE *pge1, LivePGE *pge2, uint8_t comp, uint8_t comp2);
int pge_ZOrderIfTypeAndDifferentDirection(LivePGE *pge1, LivePGE *pge2, uint8_t comp, uint8_t comp2);
int pge_ZOrderByNumber(LivePGE *pge1, LivePGE *pge2, uint8_t comp, uint8_t comp2);
void pge_updateZoom();
// collision
CollisionSlot _col_slots[256];
uint8_t _col_curPos;
CollisionSlot *_col_slotsTable[256];
CollisionSlot *_col_curSlot;
CollisionSlot2 _col_slots2[256];
CollisionSlot2 *_col_slots2Cur;
CollisionSlot2 *_col_slots2Next;
uint8_t _col_activeCollisionSlots[0x30 * 3]; // left, current, right
uint8_t _col_currentLeftRoom;
uint8_t _col_currentRightRoom;
int16_t _col_currentPiegeGridPosX;
int16_t _col_currentPiegeGridPosY;
void col_prepareRoomState();
void col_clearState();
LivePGE *col_findPiege(LivePGE *pge, uint16_t arg2);
int16_t col_findSlot(int16_t pos);
void col_preparePiegeState(LivePGE *dst_pge);
uint16_t col_getGridPos(LivePGE *pge, int16_t dx);
int16_t col_getGridData(LivePGE *pge, int16_t dy, int16_t dx);
uint8_t col_findCurrentCollidingObject(LivePGE *pge, uint8_t n1, uint8_t n2, uint8_t n3, LivePGE **pge_out);
int16_t col_detectHit(LivePGE *pge, int16_t arg2, int16_t arg4, col_Callback1 callback1, col_Callback2 callback2, int16_t argA, int16_t argC);
int col_detectHitCallback2(LivePGE *pge1, LivePGE *pge2, int16_t unk1, int16_t unk2);
int col_detectHitCallback3(LivePGE *pge1, LivePGE *pge2, int16_t unk1, int16_t unk2);
int col_detectHitCallback4(LivePGE *pge1, LivePGE *pge2, int16_t unk1, int16_t unk2);
int col_detectHitCallback5(LivePGE *pge1, LivePGE *pge2, int16_t unk1, int16_t unk2);
int col_detectHitCallback1(LivePGE *pge, int16_t dy, int16_t unk1, int16_t unk2);
int col_detectHitCallback6(LivePGE *pge, int16_t dy, int16_t unk1, int16_t unk2);
int col_detectHitCallbackHelper(LivePGE *pge, int16_t unk1);
int col_detectGunHitCallback1(LivePGE *pge, int16_t arg2, int16_t arg4, int16_t arg6);
int col_detectGunHitCallback2(LivePGE *pge1, LivePGE *pge2, int16_t arg4, int16_t);
int col_detectGunHitCallback3(LivePGE *pge1, LivePGE *pge2, int16_t arg4, int16_t);
int col_detectGunHit(LivePGE *pge, int16_t arg2, int16_t arg4, col_Callback1 callback1, col_Callback2 callback2, int16_t argA, int16_t argC);
// input
uint8_t _inp_lastKeysHit;
uint8_t _inp_lastKeysHitLeftRight;
int _inp_demPos;
void inp_handleSpecialKeys();
void inp_update();
// save/load state
uint8_t _stateSlot;
bool _validSaveState;
void makeGameStateName(uint8_t slot, char *buf);
bool saveGameState(uint8_t slot);
bool loadGameState(uint8_t slot);
void saveState(File *f);
void loadState(File *f, int version);
void clearStateRewind();
bool saveStateRewind();
bool loadStateRewind();
};
#endif // GAME_H__