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piege.cpp
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piege.cpp
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/*
* REminiscence - Flashback interpreter
* Copyright (C) 2005-2019 Gregory Montoir (cyx@users.sourceforge.net)
*/
#include "game.h"
#include "resource.h"
#include "systemstub.h"
#include "util.h"
void Game::pge_resetMessages() {
memset(_pge_messagesTable, 0, sizeof(_pge_messagesTable));
MessagePGE *le = &_pge_messages[0];
_pge_nextFreeMessage = le;
int n = 0xFF;
while (n--) {
le->next_entry = le + 1;
le->src_pge = 0;
le->msg_num = 0;
++le;
}
le->next_entry = 0;
le->src_pge = 0;
le->msg_num = 0;
}
void Game::pge_clearMessages(uint8_t pge_index) {
MessagePGE *le = _pge_messagesTable[pge_index];
if (le) {
_pge_messagesTable[pge_index] = 0;
MessagePGE *next = _pge_nextFreeMessage;
while (le) {
MessagePGE *cur = le->next_entry;
le->next_entry = next;
le->src_pge = 0;
le->msg_num = 0;
next = le;
le = cur;
}
_pge_nextFreeMessage = next;
}
}
int Game::pge_hasMessageData(LivePGE *pge, uint16_t msg_num, uint16_t counter) const {
assert(counter >= 1 && counter <= 4);
uint16_t pge_src_index = pge->init_PGE->data[counter - 1];
const MessagePGE *le = _pge_messagesTable[pge->index];
while (le) {
if (le->msg_num == msg_num && le->src_pge == pge_src_index) {
return 1;
}
le = le->next_entry;
}
return 0;
}
void Game::pge_loadForCurrentLevel(uint16_t idx) {
debug(DBG_PGE, "Game::pge_loadForCurrentLevel() idx=%d", idx);
LivePGE *live_pge = &_pgeLive[idx];
InitPGE *init_pge = &_res._pgeInit[idx];
live_pge->init_PGE = init_pge;
live_pge->obj_type = init_pge->type;
live_pge->pos_x = init_pge->pos_x;
live_pge->pos_y = init_pge->pos_y;
live_pge->anim_seq = 0;
live_pge->room_location = init_pge->init_room;
live_pge->life = init_pge->life;
if (_skillLevel >= 2 && init_pge->object_type == 10) {
live_pge->life *= 2;
}
live_pge->counter_value = 0;
live_pge->collision_slot = 0xFF;
live_pge->next_inventory_PGE = 0xFF;
live_pge->current_inventory_PGE = 0xFF;
live_pge->ref_inventory_PGE = 0xFF;
live_pge->anim_number = 0;
live_pge->index = idx;
live_pge->next_PGE_in_room = 0;
uint16_t flags = 0;
if (init_pge->skill <= _skillLevel) {
if (init_pge->room_location != 0 || ((init_pge->flags & 4) && (_currentRoom == init_pge->init_room))) {
flags |= 4;
_pge_liveTable2[idx] = live_pge;
}
if (init_pge->mirror_x != 0) {
flags |= 1;
}
if (init_pge->init_flags & 8) {
flags |= 0x10;
}
flags |= (init_pge->init_flags & 3) << 5;
if (init_pge->flags & 2) {
flags |= 0x80;
}
live_pge->flags = flags;
assert(init_pge->obj_node_number < _res._numObjectNodes);
ObjectNode *on = _res._objectNodesMap[init_pge->obj_node_number];
Object *obj = on->objects;
int i = 0;
while (obj->type != live_pge->obj_type) {
++i;
++obj;
}
assert(i < on->num_objects);
live_pge->first_obj_number = i;
pge_setupDefaultAnim(live_pge);
}
}
void Game::pge_process(LivePGE *pge) {
debug(DBG_PGE, "Game::pge_process() pge_num=%ld", pge - &_pgeLive[0]);
_pge_playAnimSound = true;
_pge_currentPiegeFacingDir = (pge->flags & 1) != 0;
_pge_currentPiegeRoom = pge->room_location;
MessagePGE *le = _pge_messagesTable[pge->index];
if (le) {
pge_setupNextAnimFrame(pge, le);
}
const uint8_t *anim_data = _res.getAniData(pge->obj_type);
if (_res._readUint16(anim_data) <= pge->anim_seq) {
InitPGE *init_pge = pge->init_PGE;
assert(init_pge->obj_node_number < _res._numObjectNodes);
ObjectNode *on = _res._objectNodesMap[init_pge->obj_node_number];
Object *obj = &on->objects[pge->first_obj_number];
while (1) {
if (obj->type != pge->obj_type) {
pge_clearMessages(pge->index);
return;
}
uint16_t _ax = pge_execute(pge, init_pge, obj);
if (_res.isDOS()) {
if (_currentLevel == 6 && (_currentRoom == 50 || _currentRoom == 51)) {
if (pge->index == 79 && _ax == 0xFFFF && obj->opcode1 == 0x60 && obj->opcode2 == 0 && obj->opcode3 == 0) {
if (col_getGridPos(&_pgeLive[79], 0) == col_getGridPos(&_pgeLive[0], 0)) {
pge_sendMessage(79, 0, 4);
}
}
}
}
if (_ax != 0) {
anim_data = _res.getAniData(pge->obj_type);
uint8_t snd = anim_data[2];
if (snd) {
pge_playAnimSound(pge, snd);
}
pge_setupOtherPieges(pge, init_pge);
break;
}
++obj;
}
}
pge_setupAnim(pge);
++pge->anim_seq;
pge_clearMessages(pge->index);
}
void Game::pge_setupNextAnimFrame(LivePGE *pge, MessagePGE *le) {
InitPGE *init_pge = pge->init_PGE;
assert(init_pge->obj_node_number < _res._numObjectNodes);
ObjectNode *on = _res._objectNodesMap[init_pge->obj_node_number];
Object *obj = &on->objects[pge->first_obj_number];
int i = pge->first_obj_number;
while (i < on->num_objects && pge->obj_type == obj->type) {
MessagePGE *next_le = le;
while (next_le) {
uint16_t msgNum = next_le->msg_num;
if (obj->opcode2 == 0x6B) { // pge_isToggleable
if (obj->opcode_arg2 == 0) {
if (msgNum == 1 || msgNum == 2) goto set_anim;
}
if (obj->opcode_arg2 == 1) {
if (msgNum == 3 || msgNum == 4) goto set_anim;
}
} else if (msgNum == obj->opcode_arg2) {
if (obj->opcode2 == 0x22 || obj->opcode2 == 0x6F) goto set_anim;
}
if (obj->opcode1 == 0x6B) { // pge_isToggleable
if (obj->opcode_arg1 == 0) {
if (msgNum == 1 || msgNum == 2) goto set_anim;
}
if (obj->opcode_arg1 == 1) {
if (msgNum == 3 || msgNum == 4) goto set_anim;
}
} else if (msgNum == obj->opcode_arg1) {
if (obj->opcode1 == 0x22 || obj->opcode1 == 0x6F) goto set_anim;
}
next_le = next_le->next_entry;
}
++obj;
++i;
}
return;
set_anim:
const uint8_t *anim_data = _res.getAniData(pge->obj_type);
uint8_t _dh = _res._readUint16(anim_data);
uint8_t _dl = pge->anim_seq;
const uint8_t *anim_frame = anim_data + 6 + _dl * 4;
while (_dh > _dl) {
if (_res._readUint16(anim_frame) != 0xFFFF) {
if (_pge_currentPiegeFacingDir) {
pge->pos_x -= (int8_t)anim_frame[2];
} else {
pge->pos_x += (int8_t)anim_frame[2];
}
pge->pos_y += (int8_t)anim_frame[3];
}
anim_frame += 4;
++_dl;
}
pge->anim_seq = _dh;
_col_currentPiegeGridPosY = (pge->pos_y / 36) & ~1;
_col_currentPiegeGridPosX = (pge->pos_x + 8) >> 4;
}
void Game::pge_playAnimSound(LivePGE *pge, uint16_t arg2) {
if ((pge->flags & 4) && _pge_playAnimSound) {
uint8_t sfxId = (arg2 & 0xFF) - 1;
if (_currentRoom == pge->room_location) {
playSound(sfxId, 0);
} else {
if (_res._ctData[CT_DOWN_ROOM + _currentRoom] == pge->room_location ||
_res._ctData[CT_UP_ROOM + _currentRoom] == pge->room_location ||
_res._ctData[CT_RIGHT_ROOM + _currentRoom] == pge->room_location ||
_res._ctData[CT_LEFT_ROOM + _currentRoom] == pge->room_location) {
playSound(sfxId, 1);
}
}
}
}
void Game::pge_setupAnim(LivePGE *pge) {
debug(DBG_PGE, "Game::pge_setupAnim() pgeNum=%ld", pge - &_pgeLive[0]);
const uint8_t *anim_data = _res.getAniData(pge->obj_type);
if (_res._readUint16(anim_data) < pge->anim_seq) {
pge->anim_seq = 0;
}
const uint8_t *anim_frame = anim_data + 6 + pge->anim_seq * 4;
if (_res._readUint16(anim_frame) != 0xFFFF) {
uint16_t fl = _res._readUint16(anim_frame);
if (pge->flags & 1) {
fl ^= 0x8000;
pge->pos_x -= (int8_t)anim_frame[2];
} else {
pge->pos_x += (int8_t)anim_frame[2];
}
pge->pos_y += (int8_t)anim_frame[3];
pge->flags &= ~2;
if (fl & 0x8000) {
pge->flags |= 2;
}
pge->flags &= ~8;
if (_res._readUint16(anim_data + 4) & 0xFFFF) {
pge->flags |= 8;
}
pge->anim_number = _res._readUint16(anim_frame) & 0x7FFF;
}
}
int Game::pge_execute(LivePGE *live_pge, InitPGE *init_pge, const Object *obj) {
debug(DBG_PGE, "Game::pge_execute() pge_num=%ld op1=0x%X op2=0x%X op3=0x%X", live_pge - &_pgeLive[0], obj->opcode1, obj->opcode2, obj->opcode3);
pge_OpcodeProc op;
ObjectOpcodeArgs args;
if (obj->opcode1) {
args.pge = live_pge;
args.a = obj->opcode_arg1;
args.b = 0;
debug(DBG_PGE, "pge_execute op1=0x%X", obj->opcode1);
op = _pge_opcodeTable[obj->opcode1];
if (!op) {
warning("Game::pge_execute() missing call to pge_opcode 0x%X", obj->opcode1);
return 0;
}
if (!((this->*op)(&args) & 0xFF))
return 0;
}
if (obj->opcode2) {
args.pge = live_pge;
args.a = obj->opcode_arg2;
args.b = obj->opcode_arg1;
debug(DBG_PGE, "pge_execute op2=0x%X", obj->opcode2);
op = _pge_opcodeTable[obj->opcode2];
if (!op) {
warning("Game::pge_execute() missing call to pge_opcode 0x%X", obj->opcode2);
return 0;
}
if (!((this->*op)(&args) & 0xFF))
return 0;
}
if (obj->opcode3) {
args.pge = live_pge;
args.a = obj->opcode_arg3;
args.b = 0;
debug(DBG_PGE, "pge_execute op3=0x%X", obj->opcode3);
op = _pge_opcodeTable[obj->opcode3];
if (op) {
(this->*op)(&args);
} else {
warning("Game::pge_execute() missing call to pge_opcode 0x%X", obj->opcode3);
}
}
live_pge->obj_type = obj->init_obj_type;
live_pge->first_obj_number = obj->init_obj_number;
live_pge->anim_seq = 0;
if (obj->flags & 0xF0) {
_score += _scoreTable[obj->flags >> 4];
}
if (obj->flags & 1) {
live_pge->flags ^= 1;
}
if (obj->flags & 2) {
--live_pge->life;
if (init_pge->object_type == 1) {
_pge_processOBJ = true;
if (_cheats & kCheatLifeCounter) {
++live_pge->life;
}
} else if (init_pge->object_type == 10) {
_score += 100;
if (_cheats & kCheatOneHitKill) {
live_pge->life = 0;
}
}
}
if (obj->flags & 4) {
++live_pge->life;
}
if (obj->flags & 8) {
live_pge->life = -1;
}
if (live_pge->flags & 1) {
live_pge->pos_x -= obj->dx;
} else {
live_pge->pos_x += obj->dx;
}
live_pge->pos_y += obj->dy;
if (_pge_processOBJ) {
if (init_pge->object_type == 1) {
if (pge_processOBJ(live_pge) != 0) {
_blinkingConradCounter = 60;
_pge_processOBJ = false;
}
}
}
return 0xFFFF;
}
void Game::pge_prepare() {
col_clearState();
if (!(_currentRoom & 0x80)) {
LivePGE *pge = _pge_liveTable1[_currentRoom];
while (pge) {
col_preparePiegeState(pge);
if (!(pge->flags & 4) && (pge->init_PGE->flags & 4)) {
_pge_liveTable2[pge->index] = pge;
pge->flags |= 4;
}
pge = pge->next_PGE_in_room;
}
}
for (uint16_t i = 0; i < _res._pgeNum; ++i) {
LivePGE *pge = _pge_liveTable2[i];
if (pge && _currentRoom != pge->room_location) {
col_preparePiegeState(pge);
}
}
}
void Game::pge_setupDefaultAnim(LivePGE *pge) {
const uint8_t *anim_data = _res.getAniData(pge->obj_type);
if (1 || pge->anim_seq < _res._readUint16(anim_data)) { /* matches disassembly but should probably be >= */
pge->anim_seq = 0;
}
const uint8_t *anim_frame = anim_data + 6 + pge->anim_seq * 4;
if (_res._readUint16(anim_frame) != 0xFFFF) {
uint16_t f = _res._readUint16(anim_data);
if (pge->flags & 1) {
f ^= 0x8000;
}
pge->flags &= ~2;
if (f & 0x8000) {
pge->flags |= 2;
}
pge->flags &= ~8;
if (_res._readUint16(anim_data + 4) & 0xFFFF) {
pge->flags |= 8;
}
pge->anim_number = _res._readUint16(anim_frame) & 0x7FFF;
debug(DBG_PGE, "Game::pge_setupDefaultAnim() pgeNum=%ld pge->flags=0x%X pge->anim_number=0x%X pge->anim_seq=0x%X", pge - &_pgeLive[0], pge->flags, pge->anim_number, pge->anim_seq);
}
}
uint16_t Game::pge_processOBJ(LivePGE *pge) {
InitPGE *init_pge = pge->init_PGE;
assert(init_pge->obj_node_number < _res._numObjectNodes);
ObjectNode *on = _res._objectNodesMap[init_pge->obj_node_number];
Object *obj = &on->objects[pge->first_obj_number];
int i = pge->first_obj_number;
while (i < on->num_objects && pge->obj_type == obj->type) {
if (obj->opcode2 == 0x6B) return 0xFFFF;
if (obj->opcode2 == 0x22 && obj->opcode_arg2 <= 4) return 0xFFFF;
if (obj->opcode1 == 0x6B) return 0xFFFF;
if (obj->opcode1 == 0x22 && obj->opcode_arg1 <= 4) return 0xFFFF;
++obj;
++i;
}
return 0;
}
void Game::pge_setupOtherPieges(LivePGE *pge, InitPGE *init_pge) {
const int8_t *room_ct_data = 0;
if (pge->pos_x <= -10) {
pge->pos_x += 256;
room_ct_data = &_res._ctData[CT_LEFT_ROOM];
} else if (pge->pos_x >= 256) {
pge->pos_x -= 256;
room_ct_data = &_res._ctData[CT_RIGHT_ROOM];
} else if (pge->pos_y < 0) {
pge->pos_y += 216;
room_ct_data = &_res._ctData[CT_UP_ROOM];
} else if (pge->pos_y >= 216) {
pge->pos_y -= 216;
room_ct_data = &_res._ctData[CT_DOWN_ROOM];
}
if (room_ct_data) {
int8_t room = pge->room_location;
if (room >= 0) {
room = room_ct_data[room];
pge->room_location = room;
}
if (init_pge->object_type == 1) {
_currentRoom = room;
col_prepareRoomState();
_loadMap = true;
if (_currentRoom < 0x40) {
LivePGE *pge_it = _pge_liveTable1[_currentRoom];
while (pge_it) {
if (pge_it->init_PGE->flags & 4) {
_pge_liveTable2[pge_it->index] = pge_it;
pge_it->flags |= 4;
}
pge_it = pge_it->next_PGE_in_room;
}
room = _res._ctData[CT_UP_ROOM + _currentRoom];
if (room >= 0 && room < 0x40) {
pge_it = _pge_liveTable1[room];
while (pge_it) {
if (pge_it->init_PGE->object_type != 10 && pge_it->pos_y >= 48 && (pge_it->init_PGE->flags & 4)) {
_pge_liveTable2[pge_it->index] = pge_it;
pge_it->flags |= 4;
}
pge_it = pge_it->next_PGE_in_room;
}
}
room = _res._ctData[CT_DOWN_ROOM + _currentRoom];
if (room >= 0 && room < 0x40) {
pge_it = _pge_liveTable1[room];
while (pge_it) {
if (pge_it->init_PGE->object_type != 10 && pge_it->pos_y >= 176 && (pge_it->init_PGE->flags & 4)) {
_pge_liveTable2[pge_it->index] = pge_it;
pge_it->flags |= 4;
}
pge_it = pge_it->next_PGE_in_room;
}
}
}
}
}
pge_addToCurrentRoomList(pge, _pge_currentPiegeRoom);
}
void Game::pge_addToCurrentRoomList(LivePGE *pge, uint8_t room) {
debug(DBG_PGE, "Game::pge_addToCurrentRoomList() pgeNum=%ld room=%d", pge - &_pgeLive[0], room);
if (room != pge->room_location) {
LivePGE *cur_pge = _pge_liveTable1[room];
LivePGE *prev_pge = 0;
while (cur_pge && cur_pge != pge) {
prev_pge = cur_pge;
cur_pge = cur_pge->next_PGE_in_room;
}
if (cur_pge) {
if (!prev_pge) {
_pge_liveTable1[room] = pge->next_PGE_in_room;
} else {
prev_pge->next_PGE_in_room = cur_pge->next_PGE_in_room;
}
LivePGE *temp = _pge_liveTable1[pge->room_location];
pge->next_PGE_in_room = temp;
_pge_liveTable1[pge->room_location] = pge;
}
}
}
void Game::pge_getInput() {
inp_update();
_inp_lastKeysHit = _stub->_pi.dirMask;
if ((_inp_lastKeysHit & 0xC) && (_inp_lastKeysHit & 0x3)) {
const uint8_t mask = (_inp_lastKeysHit & 0xF0) | (_inp_lastKeysHitLeftRight & 0xF);
_pge_inpKeysMask = mask;
_inp_lastKeysHit = mask;
} else {
_pge_inpKeysMask = _inp_lastKeysHit;
_inp_lastKeysHitLeftRight = _inp_lastKeysHit;
}
if (_stub->_pi.enter) {
_pge_inpKeysMask |= 0x10;
}
if (_stub->_pi.space) {
_pge_inpKeysMask |= 0x20;
}
if (_stub->_pi.shift) {
_pge_inpKeysMask |= 0x40;
}
}
int Game::pge_op_isInpUp(ObjectOpcodeArgs *args) {
if (1 == _pge_inpKeysMask) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_isInpBackward(ObjectOpcodeArgs *args) {
uint8_t mask = 8; // right
if (_pge_currentPiegeFacingDir) {
mask = 4; // left
}
if (mask == _pge_inpKeysMask) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_isInpDown(ObjectOpcodeArgs *args) {
if (2 == _pge_inpKeysMask) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_isInpForward(ObjectOpcodeArgs *args) {
uint8_t mask = 4;
if (_pge_currentPiegeFacingDir) {
mask = 8;
}
if (mask == _pge_inpKeysMask) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_isInpUpMod(ObjectOpcodeArgs *args) {
assert(args->a < 3);
uint8_t mask = _pge_modKeysTable[args->a] | 1;
if (mask == _pge_inpKeysMask) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_isInpBackwardMod(ObjectOpcodeArgs *args) {
assert(args->a < 3);
uint8_t mask = _pge_modKeysTable[args->a];
if (_pge_currentPiegeFacingDir) {
mask |= 4;
} else {
mask |= 8;
}
if (mask == _pge_inpKeysMask) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_isInpDownMod(ObjectOpcodeArgs *args) {
assert(args->a < 3);
uint8_t mask = _pge_modKeysTable[args->a] | 2;
if (mask == _pge_inpKeysMask) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_isInpForwardMod(ObjectOpcodeArgs *args) {
assert(args->a < 3);
uint8_t mask = _pge_modKeysTable[args->a];
if (_pge_currentPiegeFacingDir) {
mask |= 8;
} else {
mask |= 4;
}
if (mask == _pge_inpKeysMask) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_isInpIdle(ObjectOpcodeArgs *args) {
if (_pge_inpKeysMask == 0) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_isInpNoMod(ObjectOpcodeArgs *args) {
assert(args->a < 3);
uint8_t mask = _pge_modKeysTable[args->a];
if (((_pge_inpKeysMask & 0xF) | mask) == _pge_inpKeysMask) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_getCollision0u(ObjectOpcodeArgs *args) {
return col_getGridData(args->pge, 0, -args->a);
}
int Game::pge_op_getCollision00(ObjectOpcodeArgs *args) {
return col_getGridData(args->pge, 0, 0);
}
int Game::pge_op_getCollision0d(ObjectOpcodeArgs *args) {
return col_getGridData(args->pge, 0, args->a);
}
int Game::pge_op_getCollision1u(ObjectOpcodeArgs *args) {
return col_getGridData(args->pge, 1, -args->a);
}
int Game::pge_op_getCollision10(ObjectOpcodeArgs *args) {
return col_getGridData(args->pge, 1, 0);
}
int Game::pge_op_getCollision1d(ObjectOpcodeArgs *args) {
return col_getGridData(args->pge, 1, args->a);
}
int Game::pge_op_getCollision2u(ObjectOpcodeArgs *args) {
return col_getGridData(args->pge, 2, -args->a);
}
int Game::pge_op_getCollision20(ObjectOpcodeArgs *args) {
return col_getGridData(args->pge, 2, 0);
}
int Game::pge_op_getCollision2d(ObjectOpcodeArgs *args) {
return col_getGridData(args->pge, 2, args->a);
}
int Game::pge_op_doesNotCollide0u(ObjectOpcodeArgs *args) {
int16_t r = col_getGridData(args->pge, 0, -args->a);
if (r & 0xFFFF) {
return 0;
} else {
return 0xFFFF;
}
}
int Game::pge_op_doesNotCollide00(ObjectOpcodeArgs *args) {
int16_t r = col_getGridData(args->pge, 0, 0);
if (r & 0xFFFF) {
return 0;
} else {
return 0xFFFF;
}
}
int Game::pge_op_doesNotCollide0d(ObjectOpcodeArgs *args) {
int16_t r = col_getGridData(args->pge, 0, args->a);
if (r & 0xFFFF) {
return 0;
} else {
return 0xFFFF;
}
}
int Game::pge_op_doesNotCollide1u(ObjectOpcodeArgs *args) {
int16_t r = col_getGridData(args->pge, 1, -args->a);
if (r & 0xFFFF) {
return 0;
} else {
return 0xFFFF;
}
}
int Game::pge_op_doesNotCollide10(ObjectOpcodeArgs *args) {
int16_t r = col_getGridData(args->pge, 1, 0);
if (r & 0xFFFF) {
return 0;
} else {
return 0xFFFF;
}
}
int Game::pge_op_doesNotCollide1d(ObjectOpcodeArgs *args) {
int16_t r = col_getGridData(args->pge, 1, args->a);
if (r & 0xFFFF) {
return 0;
} else {
return 0xFFFF;
}
}
int Game::pge_op_doesNotCollide2u(ObjectOpcodeArgs *args) {
int16_t r = col_getGridData(args->pge, 2, -args->a);
if (r & 0xFFFF) {
return 0;
} else {
return 0xFFFF;
}
}
int Game::pge_op_doesNotCollide20(ObjectOpcodeArgs *args) {
int16_t r = col_getGridData(args->pge, 2, 0);
if (r & 0xFFFF) {
return 0;
} else {
return 0xFFFF;
}
}
int Game::pge_op_doesNotCollide2d(ObjectOpcodeArgs *args) {
int16_t r = col_getGridData(args->pge, 2, args->a);
if (r & 0xFFFF) {
return 0;
} else {
return 0xFFFF;
}
}
int Game::pge_op_collides0o0d(ObjectOpcodeArgs *args) {
if (col_getGridData(args->pge, 0, args->a) & 0xFFFF) {
if (col_getGridData(args->pge, 0, args->a + 1) == 0) {
if (col_getGridData(args->pge, -1, args->a) == 0) {
return 0xFFFF;
}
}
}
return 0;
}
int Game::pge_op_collides2o2d(ObjectOpcodeArgs *args) {
if (col_getGridData(args->pge, 2, args->a) & 0xFFFF) {
if (col_getGridData(args->pge, 2, args->a + 1) == 0) {
if (col_getGridData(args->pge, 1, args->a) == 0) {
return 0xFFFF;
}
}
}
return 0;
}
int Game::pge_op_collides0o0u(ObjectOpcodeArgs *args) {
if (col_getGridData(args->pge, 0, args->a) & 0xFFFF) {
if (col_getGridData(args->pge, 0, args->a - 1) == 0) {
if (col_getGridData(args->pge, -1, args->a) == 0) {
return 0xFFFF;
}
}
}
return 0;
}
int Game::pge_op_collides2o2u(ObjectOpcodeArgs *args) {
if (col_getGridData(args->pge, 2, args->a) & 0xFFFF) {
if (col_getGridData(args->pge, 2, args->a - 1) == 0) {
if (col_getGridData(args->pge, 1, args->a) == 0) {
return 0xFFFF;
}
}
}
return 0;
}
int Game::pge_op_collides2u2o(ObjectOpcodeArgs *args) {
if (col_getGridData(args->pge, 2, args->a - 1) & 0xFFFF) {
if (col_getGridData(args->pge, 2, args->a) == 0) {
if (col_getGridData(args->pge, 1, args->a - 1) == 0) {
return 0xFFFF;
}
}
}
return 0;
}
int Game::pge_hasPiegeSentMessage(ObjectOpcodeArgs *args) {
MessagePGE *le = _pge_messagesTable[args->pge->index];
while (le) {
if (le->msg_num == args->a) {
return 0xFFFF;
}
le = le->next_entry;
}
return 0;
}
int Game::pge_op_sendMessageData0(ObjectOpcodeArgs *args) {
LivePGE *pge = args->pge;
pge_sendMessage(pge->index, pge->init_PGE->data[0], args->a);
return 0xFFFF;
}
int Game::pge_op_sendMessageData1(ObjectOpcodeArgs *args) {
LivePGE *pge = args->pge;
pge_sendMessage(pge->index, pge->init_PGE->data[1], args->a);
return 0xFFFF;
}
int Game::pge_op_sendMessageData2(ObjectOpcodeArgs *args) {
LivePGE *pge = args->pge;
pge_sendMessage(pge->index, pge->init_PGE->data[2], args->a);
return 0xFFFF;
}
int Game::pge_op_sendMessageData3(ObjectOpcodeArgs *args) {
LivePGE *pge = args->pge;
pge_sendMessage(pge->index, pge->init_PGE->data[3], args->a);
return 0xFFFF;
}
int Game::pge_op_isPiegeDead(ObjectOpcodeArgs *args) {
LivePGE *pge = args->pge;
if (pge->life <= 0) {
if (pge->init_PGE->object_type == 10) {
_score += 100;
}
return 1;
}
return 0;
}
int Game::pge_op_collides1u2o(ObjectOpcodeArgs *args) {
if (col_getGridData(args->pge, 1, args->a - 1) & 0xFFFF) {
if (col_getGridData(args->pge, 2, args->a) == 0) {
return 0xFFFF;
}
}
return 0;
}
int Game::pge_op_collides1u1o(ObjectOpcodeArgs *args) {
if (col_getGridData(args->pge, 1, args->a - 1) & 0xFFFF) {
if (col_getGridData(args->pge, 1, args->a) == 0) {
return 0xFFFF;
}
}
return 0;
}
int Game::pge_op_collides1o1u(ObjectOpcodeArgs *args) {
if (col_getGridData(args->pge, 1, args->a - 1) == 0) {
if (col_getGridData(args->pge, 1, args->a) & 0xFFFF) {
return 0xFFFF;
}
}
return 0;
}
int Game::pge_o_unk0x2B(ObjectOpcodeArgs *args) {
return pge_ZOrder(args->pge, args->a, &Game::pge_ZOrderIfTypeAndDifferentDirection, 0);
}
int Game::pge_o_unk0x2C(ObjectOpcodeArgs *args) {
return pge_ZOrder(args->pge, args->a, &Game::pge_ZOrderIfTypeAndSameDirection, 0);
}
int Game::pge_o_unk0x2D(ObjectOpcodeArgs *args) {
return pge_ZOrder(args->pge, args->a, &Game::pge_ZOrderByObj, 0) ^ 1;
}
int Game::pge_op_nop(ObjectOpcodeArgs *args) {
return 1;
}
int Game::pge_op_pickupObject(ObjectOpcodeArgs *args) {
LivePGE *pge = col_findPiege(args->pge, 3);
if (pge) {
pge_sendMessage(args->pge->index, pge->index, args->a);
return 0xFFFF;
}
return 0;
}
int Game::pge_op_addItemToInventory(ObjectOpcodeArgs *args) {
pge_updateInventory(&_pgeLive[args->a], args->pge);
args->pge->room_location = 0xFF;
return 0xFFFF;
}
int Game::pge_op_copyPiege(ObjectOpcodeArgs *args) {
LivePGE *src = &_pgeLive[args->a];
LivePGE *dst = args->pge;
dst->pos_x = src->pos_x;
dst->pos_y = src->pos_y;
dst->room_location = src->room_location;
dst->flags &= ~1;
if (src->flags & 1) {
dst->flags |= 1;
}
pge_reorderInventory(args->pge);
return 0xFFFF;
}
int Game::pge_op_removeItemFromInventory(ObjectOpcodeArgs *args) {
if (args->pge->current_inventory_PGE != 0xFF) {
pge_sendMessage(args->pge->index, args->pge->current_inventory_PGE, args->a);
}
return 1;
}
int Game::pge_op_canUseCurrentInventoryItem(ObjectOpcodeArgs *args) {
LivePGE *pge = &_pgeLive[0];
if (pge->current_inventory_PGE != 0xFF && _res._pgeInit[pge->current_inventory_PGE].object_id == args->a) {
return 1;
}
return 0;
}
// useObject related
int Game::pge_o_unk0x34(ObjectOpcodeArgs *args) {
uint8_t mask = (_pge_inpKeysMask & 0xF) | _pge_modKeysTable[0];
if (mask == _pge_inpKeysMask) {
if (col_getGridData(args->pge, 2, -args->a) == 0) {
return 0xFFFF;
}
}
return 0;
}
int Game::pge_op_isInpMod(ObjectOpcodeArgs *args) {
assert(args->a < 3);
uint8_t mask = _pge_modKeysTable[args->a];
if (mask == _pge_inpKeysMask) {
return 0xFFFF;
} else {
return 0;
}
}
int Game::pge_op_setCollisionState1(ObjectOpcodeArgs *args) {
return pge_updateCollisionState(args->pge, args->a, 1);
}
int Game::pge_op_setCollisionState0(ObjectOpcodeArgs *args) {
return pge_updateCollisionState(args->pge, args->a, 0);
}
int Game::pge_hasMessageData0(ObjectOpcodeArgs *args) {
return pge_hasMessageData(args->pge, args->a, 1);
}
int Game::pge_hasMessageData1(ObjectOpcodeArgs *args) {
return pge_hasMessageData(args->pge, args->a, 2);
}
int Game::pge_hasMessageData2(ObjectOpcodeArgs *args) {
return pge_hasMessageData(args->pge, args->a, 3);
}
int Game::pge_hasMessageData3(ObjectOpcodeArgs *args) {
return pge_hasMessageData(args->pge, args->a, 4);
}
int Game::pge_o_unk0x3C(ObjectOpcodeArgs *args) {
return pge_ZOrder(args->pge, args->a, &Game::pge_ZOrderByAnimYIfType, args->b);
}
int Game::pge_o_unk0x3D(ObjectOpcodeArgs *args) {
return pge_ZOrder(args->pge, args->a, &Game::pge_ZOrderByAnimY, 0);
}
int Game::pge_op_setPiegeCounter(ObjectOpcodeArgs *args) {
args->pge->counter_value = args->a;
return 1;
}
int Game::pge_op_decPiegeCounter(ObjectOpcodeArgs *args) {
args->pge->counter_value -= 1;
if (args->a == args->pge->counter_value) {