/* ScummVM - Scumm Interpreter * Copyright (C) 2001-2006 The ScummVM project * * 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. * * $URL$ * $Id$ * */ // Video script opcodes for Simon1/Simon2 #include "common/stdafx.h" #include "simon/simon.h" #include "simon/intern.h" #include "simon/vga.h" #include "common/system.h" namespace Simon { // Opcode tables void SimonEngine::setupVgaOpcodes() { static const VgaOpcodeProc vga_opcode_table[] = { NULL, &SimonEngine::vc1_fadeOut, &SimonEngine::vc2_call, &SimonEngine::vc3_loadSprite, &SimonEngine::vc4_fadeIn, &SimonEngine::vc5_skip_if_neq, &SimonEngine::vc6_skip_ifn_sib_with_a, &SimonEngine::vc7_skip_if_sib_with_a, &SimonEngine::vc8_skip_if_parent_is, &SimonEngine::vc9_skip_if_unk3_is, &SimonEngine::vc10_draw, &SimonEngine::vc11_clearPathFinder, &SimonEngine::vc12_delay, &SimonEngine::vc13_addToSpriteX, &SimonEngine::vc14_addToSpriteY, &SimonEngine::vc15_wakeup_id, &SimonEngine::vc16_sleep_on_id, &SimonEngine::vc17_setPathfinderItem, &SimonEngine::vc18_jump, &SimonEngine::vc19_chain_to_script, &SimonEngine::vc20_setRepeat, &SimonEngine::vc21_endRepeat, &SimonEngine::vc22_setSpritePalette, &SimonEngine::vc23_setSpritePriority, &SimonEngine::vc24_setSpriteXY, &SimonEngine::vc25_halt_sprite, &SimonEngine::vc26_setSubWindow, &SimonEngine::vc27_resetSprite, &SimonEngine::vc28_dummy_op, &SimonEngine::vc29_stopAllSounds, &SimonEngine::vc30_setFrameRate, &SimonEngine::vc31_setWindow, &SimonEngine::vc32_copyVar, &SimonEngine::vc33_setMouseOn, &SimonEngine::vc34_setMouseOff, &SimonEngine::vc35_clearWindow, &SimonEngine::vc36_setWindowImage, &SimonEngine::vc37_addToSpriteY, &SimonEngine::vc38_skipIfVarZero, &SimonEngine::vc39_setVar, &SimonEngine::vc40, &SimonEngine::vc41, &SimonEngine::vc42_delayIfNotEQ, &SimonEngine::vc43_skipIfBitClear, &SimonEngine::vc44_skipIfBitSet, &SimonEngine::vc45_setSpriteX, &SimonEngine::vc46_setSpriteY, &SimonEngine::vc47_addToVar, &SimonEngine::vc48_setPathFinder, &SimonEngine::vc49_setBit, &SimonEngine::vc50_clearBit, &SimonEngine::vc51_clear_hitarea_bit_0x40, &SimonEngine::vc52_playSound, &SimonEngine::vc53_no_op, &SimonEngine::vc54_no_op, &SimonEngine::vc55_offset_hit_area, &SimonEngine::vc56_delay, &SimonEngine::vc57_no_op, &SimonEngine::vc58, &SimonEngine::vc59, &SimonEngine::vc60_killSprite, &SimonEngine::vc61_setMaskImage, &SimonEngine::vc62_fastFadeOut, &SimonEngine::vc63_fastFadeIn, &SimonEngine::vc64_skipIfSpeechEnded, &SimonEngine::vc65_slowFadeIn, &SimonEngine::vc66_skipIfNotEqual, &SimonEngine::vc67_skipIfGE, &SimonEngine::vc68_skipIfLE, &SimonEngine::vc69_playTrack, &SimonEngine::vc70_queueMusic, &SimonEngine::vc71_checkMusicQueue, &SimonEngine::vc72_play_track_2, &SimonEngine::vc73_setMark, &SimonEngine::vc74_clearMark, &SimonEngine::vc75_setScale, &SimonEngine::vc76_setScaleXOffs, &SimonEngine::vc77_setScaleYOffs, &SimonEngine::vc78_computeXY, &SimonEngine::vc79_computePosNum, &SimonEngine::vc80_setOverlayImage, &SimonEngine::vc81_setRandom, &SimonEngine::vc82_getPathValue, &SimonEngine::vc83_playSoundLoop, &SimonEngine::vc84_stopSoundLoop, }; _vga_opcode_table = vga_opcode_table; } // Script parser void SimonEngine::run_vga_script() { for (;;) { uint opcode; if (_continousVgaScript) { if (_vcPtr != (const byte *)&_vc_get_out_of_code) { fprintf(_dumpFile, "%.5d %.5X: %5d %4d ", _vgaTickCounter, _vcPtr - _curVgaFile1, _vgaCurSpriteId, _vgaCurFileId); dump_video_script(_vcPtr, true); } } if (getGameType() == GType_SIMON1) { opcode = READ_BE_UINT16(_vcPtr); _vcPtr += 2; } else { opcode = *_vcPtr++; } if (opcode >= NUM_VIDEO_OP_CODES) error("Invalid VGA opcode '%d' encountered", opcode); if (opcode == 0) return; (this->*_vga_opcode_table[opcode]) (); } } int SimonEngine::vcReadVarOrWord() { int16 var = vcReadNextWord(); if (var < 0) var = vcReadVar(-var); return var; } uint SimonEngine::vcReadNextWord() { uint a; a = readUint16Wrapper(_vcPtr); _vcPtr += 2; return a; } uint SimonEngine::vcReadNextByte() { return *_vcPtr++; } void SimonEngine::vcSkipNextInstruction() { static const byte opcodeParamLenSimon1[] = { 0, 6, 2, 10, 6, 4, 2, 2, 4, 4, 10, 0, 2, 2, 2, 2, 2, 0, 2, 0, 4, 2, 4, 2, 8, 0, 10, 0, 8, 0, 2, 2, 4, 0, 0, 4, 4, 2, 2, 4, 4, 4, 4, 2, 2, 2, 2, 4, 0, 2, 2, 2, 2, 4, 6, 6, 0, 0, 0, 0, 2, 6, 0, 0, }; static const byte opcodeParamLenSimon2[] = { 0, 6, 2, 12, 6, 4, 2, 2, 4, 4, 9, 0, 1, 2, 2, 2, 2, 0, 2, 0, 4, 2, 4, 2, 7, 0, 10, 0, 8, 0, 2, 2, 4, 0, 0, 4, 4, 2, 2, 4, 4, 4, 4, 2, 2, 2, 2, 4, 0, 2, 2, 2, 2, 4, 6, 6, 2, 0, 6, 6, 4, 6, 0, 0, 0, 0, 4, 4, 4, 4, 4, 0, 4, 2, 2 }; static const byte opcodeParamLenFeebleFiles[] = { 0, 6, 2, 12, 6, 4, 2, 2, 4, 4, 9, 0, 1, 2, 2, 2, 2, 0, 2, 0, 4, 2, 4, 2, 7, 0, 10, 0, 8, 0, 2, 2, 4, 0, 0, 4, 4, 2, 2, 4, 4, 4, 4, 2, 2, 2, 2, 4, 0, 2, 2, 2, 6, 6, 6, 6, 2, 0, 6, 6, 4, 6, 0, 0, 0, 0, 4, 4, 4, 4, 4, 0, 4, 2, 2, 4, 6, 6, 0, 0, 6, 4, 2, 6, 0 }; if (getGameType() == GType_FF) { uint opcode = vcReadNextByte(); _vcPtr += opcodeParamLenFeebleFiles[opcode]; } else if (getGameType() == GType_SIMON2) { uint opcode = vcReadNextByte(); _vcPtr += opcodeParamLenSimon2[opcode]; } else { uint opcode = vcReadNextWord(); _vcPtr += opcodeParamLenSimon1[opcode]; } if (_continousVgaScript) fprintf(_dumpFile, "; skipped\n"); } void SimonEngine::o_unloadBeard() { // Simon1 Only if (_beardLoaded == true) { _beardLoaded = false; _lockWord |= 0x8000; read_vga_from_datfile_1(23); _lockWord &= ~0x8000; } } void SimonEngine::o_loadBeard() { // Simon1 Only if (_beardLoaded == false) { _beardLoaded = true; _lockWord |= 0x8000; read_vga_from_datfile_1(328); _lockWord &= ~0x8000; } } // VGA Script commands void SimonEngine::vc1_fadeOut() { /* dummy opcode */ _vcPtr += 6; } void SimonEngine::vc2_call() { VgaPointersEntry *vpe; uint num; uint res; byte *old_file_1, *old_file_2; byte *b, *bb; const byte *vc_ptr_org; num = vcReadVarOrWord(); old_file_1 = _curVgaFile1; old_file_2 = _curVgaFile2; for (;;) { res = num / 100; vpe = &_vgaBufferPointers[res]; _curVgaFile1 = vpe->vgaFile1; _curVgaFile2 = vpe->vgaFile2; if (vpe->vgaFile1 != NULL) break; if (_vgaCurFile2 != res) _videoVar7 = _vgaCurFile2; loadZone(res); _videoVar7 = 0xFFFF; } bb = _curVgaFile1; if (getGameType() == GType_FF) { b = bb + READ_LE_UINT16(&((VgaFileHeader_Feeble *) bb)->hdr2_start); b = bb + READ_LE_UINT16(&((VgaFileHeader2_Feeble *) b)->imageTable); while (READ_LE_UINT16(&((ImageHeader_Feeble *) b)->id) != num) b += sizeof(ImageHeader_Feeble); } else { b = bb + READ_BE_UINT16(&((VgaFileHeader_Simon *) bb)->hdr2_start); b = bb + READ_BE_UINT16(&((VgaFileHeader2_Simon *) b)->imageTable); while (READ_BE_UINT16(&((ImageHeader_Simon *) b)->id) != num) b += sizeof(ImageHeader_Simon); } vc_ptr_org = _vcPtr; if (getGameType() == GType_FF) { _vcPtr = _curVgaFile1 + READ_LE_UINT16(&((ImageHeader_Feeble *) b)->scriptOffs); } else { _vcPtr = _curVgaFile1 + READ_BE_UINT16(&((ImageHeader_Simon *) b)->scriptOffs); } //dump_vga_script(_vcPtr, res, num); run_vga_script(); _curVgaFile1 = old_file_1; _curVgaFile2 = old_file_2; _vcPtr = vc_ptr_org; } void SimonEngine::vc3_loadSprite() { uint16 windowNum, fileId, palette, x, y, vgaSpriteId; uint16 res; VgaSprite *vsp; VgaPointersEntry *vpe; byte *p, *pp; byte *old_file_1; windowNum = vcReadNextWord(); /* 0 */ if (getGameType() == GType_SIMON1) { vgaSpriteId = vcReadNextWord(); /* 2 */ fileId = vgaSpriteId / 100; } else { fileId = vcReadNextWord(); /* 0 */ vgaSpriteId = vcReadNextWord(); /* 2 */ } x = vcReadNextWord(); /* 4 */ y = vcReadNextWord(); /* 6 */ palette = vcReadNextWord(); /* 8 */ /* 2nd param ignored with simon1 */ if (isSpriteLoaded(vgaSpriteId, fileId)) return; vsp = _vgaSprites; while (vsp->id) vsp++; vsp->palette = palette; vsp->windowNum = windowNum; vsp->priority = 0; vsp->flags = 0; vsp->image = 0; vsp->x = x; vsp->y = y; vsp->id = vgaSpriteId; vsp->fileId = res = fileId; old_file_1 = _curVgaFile1; for (;;) { vpe = &_vgaBufferPointers[res]; _curVgaFile1 = vpe->vgaFile1; if (vpe->vgaFile1 != NULL) break; if (_vgaCurFile2 != res) _videoVar7 = _vgaCurFile2; loadZone(res); _videoVar7 = 0xFFFF; } pp = _curVgaFile1; if (getGameType() == GType_FF) { p = pp + READ_LE_UINT16(&((VgaFileHeader_Feeble *) pp)->hdr2_start); p = pp + READ_LE_UINT16(&((VgaFileHeader2_Feeble *) p)->animationTable); while (READ_LE_UINT16(&((AnimationHeader_Feeble *) p)->id) != vgaSpriteId) p += sizeof(AnimationHeader_Feeble); } else { p = pp + READ_BE_UINT16(&((VgaFileHeader_Simon *) pp)->hdr2_start); p = pp + READ_BE_UINT16(&((VgaFileHeader2_Simon *) p)->animationTable); while (READ_BE_UINT16(&((AnimationHeader_Simon *) p)->id) != vgaSpriteId) p += sizeof(AnimationHeader_Simon); } #ifdef DUMP_FILE_NR { static bool dumped = false; if (res == DUMP_FILE_NR && !dumped) { dumped = true; dump_vga_file(_curVgaFile1); } } #endif #ifdef DUMP_BITMAPS_FILE_NR { static bool dumped = false; if (res == DUMP_BITMAPS_FILE_NR && !dumped) { dumped = true; dump_vga_bitmaps(_curVgaFile2, _curVgaFile1, res); } } #endif if (_startVgaScript) { if (getGameType() == GType_FF) { dump_vga_script(_curVgaFile1 + READ_LE_UINT16(&((AnimationHeader_Feeble*)p)->scriptOffs), res, vgaSpriteId); } else { dump_vga_script(_curVgaFile1 + READ_BE_UINT16(&((AnimationHeader_Simon*)p)->scriptOffs), res, vgaSpriteId); } } if (getGameType() == GType_FF) { add_vga_timer(VGA_DELAY_BASE, _curVgaFile1 + READ_LE_UINT16(&((AnimationHeader_Feeble *) p)->scriptOffs), vgaSpriteId, res); } else { add_vga_timer(VGA_DELAY_BASE, _curVgaFile1 + READ_BE_UINT16(&((AnimationHeader_Simon *) p)->scriptOffs), vgaSpriteId, res); } _curVgaFile1 = old_file_1; } void SimonEngine::vc4_fadeIn() { /* dummy opcode */ _vcPtr += 6; } void SimonEngine::vc5_skip_if_neq() { uint var = vcReadNextWord(); uint value = vcReadNextWord(); if (vcReadVar(var) != value) vcSkipNextInstruction(); } void SimonEngine::vc6_skip_ifn_sib_with_a() { if (!itemIsSiblingOf(vcReadNextWord())) vcSkipNextInstruction(); } void SimonEngine::vc7_skip_if_sib_with_a() { if (itemIsSiblingOf(vcReadNextWord())) vcSkipNextInstruction(); } void SimonEngine::vc8_skip_if_parent_is() { uint a = vcReadNextWord(); uint b = vcReadNextWord(); if (!itemIsParentOf(a, b)) vcSkipNextInstruction(); } void SimonEngine::vc9_skip_if_unk3_is() { uint a = vcReadNextWord(); uint b = vcReadNextWord(); if (!vc_maybe_skip_proc_1(a, b)) vcSkipNextInstruction(); } byte *vc10_depack_column(VC10_state * vs) { int8 a = vs->depack_cont; const byte *src = vs->depack_src; byte *dst = vs->depack_dest; uint16 dh = vs->dh; byte color; if (a == -0x80) a = *src++; for (;;) { if (a >= 0) { color = *src++; do { *dst++ = color; if (!--dh) { if (--a < 0) a = -0x80; else src--; goto get_out; } } while (--a >= 0); } else { do { *dst++ = *src++; if (!--dh) { if (++a == 0) a = -0x80; goto get_out; } } while (++a != 0); } a = *src++; } get_out:; vs->depack_src = src; vs->depack_cont = a; return vs->depack_dest + vs->y_skip; } void vc10_skip_cols(VC10_state *vs) { while (vs->x_skip) { vc10_depack_column(vs); vs->x_skip--; } } byte *SimonEngine::vc10_uncompressFlip(const byte *src, uint w, uint h) { w *= 8; byte *src_org, *dst_org; byte color; int8 cur = -0x80; uint i, w_cur = w; dst_org = _videoBuf1 + w; do { byte *dst = dst_org; uint h_cur = h; if (cur == -0x80) cur = *src++; for (;;) { if (cur >= 0) { /* rle_same */ color = *src++; do { *dst = color; dst += w; if (!--h_cur) { if (--cur < 0) cur = -0x80; else src--; goto next_line; } } while (--cur >= 0); } else { /* rle_diff */ do { *dst = *src++; dst += w; if (!--h_cur) { if (++cur == 0) cur = -0x80; goto next_line; } } while (++cur != 0); } cur = *src++; } next_line: dst_org++; } while (--w_cur); src_org = dst_org = _videoBuf1 + w; do { byte *dst = dst_org; for (i = 0; i != w; ++i) { byte b = src_org[i]; b = (b >> 4) | (b << 4); *--dst = b; } src_org += w; dst_org += w; } while (--h); return _videoBuf1; } byte *SimonEngine::vc10_flip(const byte *src, uint w, uint h) { if (src == _vc10BasePtrOld) return _videoBuf1; _vc10BasePtrOld = src; byte *dst_org, *src_org; uint i; w *= 8; src_org = dst_org = _videoBuf1 + w; do { byte *dst = dst_org; for (i = 0; i != w; ++i) { byte b = src_org[i]; b = (b >> 4) | (b << 4); *--dst = b; } src_org += w; dst_org += w; } while (--h); return _videoBuf1; } /* must not be const */ static uint16 _video_windows[128] = { 0, 0, 20, 200, 0, 0, 3, 136, 17, 0, 3, 136, 0, 0, 20, 200, 0, 0, 20, 134 }; /* simon2 specific */ void SimonEngine::decodeColumn(byte *dst, const byte *src, int height) { const uint pitch = _dxSurfacePitch; int8 reps = (int8)0x80; byte color; byte *dst_org = dst; uint h = height, w = 8; for (;;) { reps = *src++; if (reps >= 0) { color = *src++; do { *dst = color; dst += pitch; /* reached bottom? */ if (--h == 0) { /* reached right edge? */ if (--w == 0) return; dst = ++dst_org; h = height; } } while (--reps >= 0); } else { do { *dst = *src++; dst += pitch; /* reached bottom? */ if (--h == 0) { /* reached right edge? */ if (--w == 0) return; dst = ++dst_org; h = height; } } while (++reps != 0); } } } void SimonEngine::decodeRow(byte *dst, const byte *src, int width) { const uint pitch = _dxSurfacePitch; int8 reps = (int8)0x80; byte color; byte *dst_org = dst; uint w = width, h = 8; for (;;) { reps = *src++; if (reps >= 0) { color = *src++; do { *dst++ = color; /* reached right edge? */ if (--w == 0) { /* reached bottom? */ if (--h == 0) return; dst_org += pitch; dst = dst_org; w = width; } } while (--reps >= 0); } else { do { *dst++ = *src++; /* reached right edge? */ if (--w == 0) { /* reached bottom? */ if (--h == 0) return; dst_org += pitch; dst = dst_org; w = width; } } while (++reps != 0); } } } void SimonEngine::vc10_draw() { byte *p2; uint width, height; byte flags; VC10_state state; state.image = (int16)vcReadNextWord(); if (state.image == 0) return; if (getGameType() == GType_FF) { state.palette = (_vcPtr[0] * 16); } else { state.palette = (_vcPtr[1] * 16); } _vcPtr += 2; state.x = (int16)vcReadNextWord(); state.x -= _scrollX; state.y = (int16)vcReadNextWord(); state.y -= _scrollY; if (getGameType() == GType_SIMON1) { state.flags = vcReadNextWord(); } else { state.flags = vcReadNextByte(); } if (state.image < 0) state.image = vcReadVar(-state.image); p2 = _curVgaFile2 + state.image * 8; state.depack_src = _curVgaFile2 + readUint32Wrapper(p2); if (getGameType() == GType_FF) { width = READ_LE_UINT16(p2 + 6); height = READ_LE_UINT16(p2 + 4) & 0x7FFF; flags = p2[5]; } else { width = READ_BE_UINT16(p2 + 6) / 16; height = p2[5]; flags = p2[4]; } if (height == 0 || width == 0) return; if (_dumpImages) dump_single_bitmap(_vgaCurFileId, state.image, state.depack_src, width, height, state.palette); // Check if image is compressed if (getGameType() == GType_FF) { if (flags & 0x80) { state.flags |= kDFCompressed; } } else { if (flags & 0x80 && !(state.flags & kDFCompressedFlip)) { if (state.flags & kDFFlip) { state.flags &= ~kDFFlip; state.flags |= kDFCompressedFlip; } else { state.flags |= kDFCompressed; } } } state.width = state.draw_width = width; /* cl */ state.height = state.draw_height = height; /* ch */ state.depack_cont = -0x80; state.x_skip = 0; /* colums to skip = bh */ state.y_skip = 0; /* rows to skip = bl */ uint maxWidth = (getGameType() == GType_FF) ? 640 : 20; if ((getGameType() == GType_SIMON2 || getGameType() == GType_FF) && width > maxWidth) { horizontalScroll(&state); return; } if (getGameType() == GType_FF && height > 480) { verticalScroll(&state); return; } if (getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) { if (state.flags & kDFCompressedFlip) { state.depack_src = vc10_uncompressFlip(state.depack_src, width, height); } else if (state.flags & kDFFlip) { state.depack_src = vc10_flip(state.depack_src, width, height); } } state.surf2_addr = getFrontBuf(); state.surf2_pitch = _dxSurfacePitch; state.surf_addr = getBackBuf(); state.surf_pitch = _dxSurfacePitch; if (getGameType() == GType_FF) { drawImages_Feeble(&state); } else { drawImages(&state); } } bool SimonEngine::drawImages_clip(VC10_state *state) { const uint16 *vlut; uint maxWidth, maxHeight; int cur; vlut = &_video_windows[_windowNum * 4]; if (getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) { state->draw_width = state->width * 2; } cur = state->x; if (cur < 0) { do { if (!--state->draw_width) return 0; state->x_skip++; } while (++cur); } state->x = cur; maxWidth = (getGameType() == GType_FF) ? 640 : (vlut[2] * 2); cur += state->draw_width - maxWidth; if (cur > 0) { do { if (!--state->draw_width) return 0; } while (--cur); } cur = state->y; if (cur < 0) { do { if (!--state->draw_height) return 0; state->y_skip++; } while (++cur); } state->y = cur; maxHeight = (getGameType() == GType_FF) ? 480 : vlut[3]; cur += state->draw_height - maxHeight; if (cur > 0) { do { if (!--state->draw_height) return 0; } while (--cur); } assert(state->draw_width != 0 && state->draw_height != 0); if (getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) { state->draw_width *= 4; } return 1; } void SimonEngine::drawImages_Feeble(VC10_state *state) { if (state->flags & kDFCompressed) { if (state->flags & kDFScaled) { state->surf_addr = getScaleBuf(); state->surf_pitch = _dxSurfacePitch; uint w, h; byte *src, *dst, *dst_org; state->dl = state->width; state->dh = state->height; dst_org = state->surf_addr; w = 0; do { src = vc10_depack_column(state); dst = dst_org; h = 0; do { *dst = *src; dst += _screenWidth; src++; } while (++h != state->draw_height); dst_org++; } while (++w != state->draw_width); if (_vgaCurSpritePriority % 10 != 9) { _scaleX = state->x; _scaleY = state->y; _scaleWidth = state->width; _scaleHeight = state->height; } else { scaleClip(state->height, state->width, state->y, state->x, state->y + _scrollY); } } else if (state->flags & kDFOverlayed) { state->surf_addr = getScaleBuf(); state->surf_pitch = _dxSurfacePitch; state->surf_addr += (state->x + _scrollX) + (state->y + _scrollY) * state->surf_pitch; uint w, h; byte *src, *dst, *dst_org; state->dl = state->width; state->dh = state->height; dst_org = state->surf_addr; w = 0; do { byte color; src = vc10_depack_column(state); dst = dst_org; h = 0; do { color = *src; if (color != 0) *dst = color; dst += _screenWidth; src++; } while (++h != state->draw_height); dst_org++; } while (++w != state->draw_width); if (_vgaCurSpritePriority % 10 == 9) { scaleClip(_scaleHeight, _scaleWidth, _scaleY, _scaleX, _scaleY + _scrollY); } } else { if (drawImages_clip(state) == 0) return; state->surf_addr += state->x + state->y * state->surf_pitch; uint w, h; byte *src, *dst, *dst_org; state->dl = state->width; state->dh = state->height; vc10_skip_cols(state); if (state->flags & kDFMasked) { if (getBitFlag(81) == false) { if (state->x > _feebleRect.right) return; if (state->y > _feebleRect.bottom) return; if (state->x + state->width < _feebleRect.left) return; if (state->y + state->height < _feebleRect.top) return; } dst_org = state->surf_addr; w = 0; do { byte color; src = vc10_depack_column(state); dst = dst_org; h = 0; do { color = *src; if (color) *dst = color; dst += _screenWidth; src++; } while (++h != state->draw_height); dst_org++; } while (++w != state->draw_width); } else { dst_org = state->surf_addr; w = 0; do { byte color; src = vc10_depack_column(state); dst = dst_org; h = 0; do { color = *src; if ((state->flags & kDFNonTrans) || color != 0) *dst = color; dst += _screenWidth; src++; } while (++h != state->draw_height); dst_org++; } while (++w != state->draw_width); } } } else { if (drawImages_clip(state) == 0) return; state->surf_addr += state->x + state->y * state->surf_pitch; const byte *src; byte *dst; uint count; src = state->depack_src + state->width * state->y_skip; dst = state->surf_addr; do { for (count = 0; count != state->draw_width; count++) { byte color; color = src[count + state->x_skip]; if (color) { if ((state->flags & kDFShaded) && color == 220) color = 244; dst[count] = color; } } dst += _screenWidth; src += state->width; } while (--state->draw_height); } } void SimonEngine::drawImages(VC10_state *state) { const uint16 *vlut = &_video_windows[_windowNum * 4]; if (drawImages_clip(state) == 0) return; uint offs, offs2; // Allow one section of Simon the Sorcerer 1 introduction to be displayed // in lower half of screen if ((getGameType() == GType_SIMON1) && _subroutine == 2926) { offs = ((vlut[0]) * 2 + state->x) * 8; offs2 = (vlut[1] + state->y); } else { offs = ((vlut[0] - _video_windows[16]) * 2 + state->x) * 8; offs2 = (vlut[1] - _video_windows[17] + state->y); } state->surf2_addr += offs + offs2 * state->surf2_pitch; state->surf_addr += offs + offs2 * state->surf_pitch; if (state->flags & kDFMasked) { byte *mask, *src, *dst; byte h; uint w; state->x_skip *= 4; state->dl = state->width; state->dh = state->height; vc10_skip_cols(state); w = 0; do { mask = vc10_depack_column(state); /* esi */ src = state->surf2_addr + w * 2; /* ebx */ dst = state->surf_addr + w * 2; /* edi */ h = state->draw_height; if ((getGameType() == GType_SIMON1) && getBitFlag(88)) { /* transparency */ do { if (mask[0] & 0xF0) { if ((dst[0] & 0x0F0) == 0x20) dst[0] = src[0]; } if (mask[0] & 0x0F) { if ((dst[1] & 0x0F0) == 0x20) dst[1] = src[1]; } mask++; dst += state->surf_pitch; src += state->surf2_pitch; } while (--h); } else { /* no transparency */ do { if (mask[0] & 0xF0) dst[0] = src[0]; if (mask[0] & 0x0F) dst[1] = src[1]; mask++; dst += state->surf_pitch; src += state->surf2_pitch; } while (--h); } } while (++w != state->draw_width); /* vc10_helper_5 */ } else if (((_lockWord & 0x20) && state->palette == 0) || state->palette == 0xC0) { const byte *src; byte *dst; uint h, i; if (!(state->flags & kDFCompressed)) { src = state->depack_src + (state->width * state->y_skip * 16) + (state->x_skip * 8); dst = state->surf_addr; state->draw_width *= 2; if (state->flags & kDFNonTrans) { /* no transparency */ h = state->draw_height; do { memcpy(dst, src, state->draw_width); dst += _screenWidth; src += state->width * 16; } while (--h); } else { /* transparency */ h = state->draw_height; do { for (i = 0; i != state->draw_width; i++) if (src[i]) dst[i] = src[i]; dst += _screenWidth; src += state->width * 16; } while (--h); } } else { byte *dst_org = state->surf_addr; src = state->depack_src; /* AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDD EEEEEEEE * aaaaabbb bbcccccd ddddeeee efffffgg ggghhhhh */ if (state->flags & kDFNonTrans) { /* no transparency */ do { uint count = state->draw_width / 4; dst = dst_org; do { uint32 bits = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | (src[3]); dst[0] = (byte)((bits >> (32 - 5)) & 31); dst[1] = (byte)((bits >> (32 - 10)) & 31); dst[2] = (byte)((bits >> (32 - 15)) & 31); dst[3] = (byte)((bits >> (32 - 20)) & 31); dst[4] = (byte)((bits >> (32 - 25)) & 31); dst[5] = (byte)((bits >> (32 - 30)) & 31); bits = (bits << 8) | src[4]; dst[6] = (byte)((bits >> (40 - 35)) & 31); dst[7] = (byte)((bits) & 31); dst += 8; src += 5; } while (--count); dst_org += _screenWidth; } while (--state->draw_height); } else { /* transparency */ do { uint count = state->draw_width / 4; dst = dst_org; do { uint32 bits = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | (src[3]); byte tmp; tmp = (byte)((bits >> (32 - 5)) & 31); if (tmp) dst[0] = tmp; tmp = (byte)((bits >> (32 - 10)) & 31); if (tmp) dst[1] = tmp; tmp = (byte)((bits >> (32 - 15)) & 31); if (tmp) dst[2] = tmp; tmp = (byte)((bits >> (32 - 20)) & 31); if (tmp) dst[3] = tmp; tmp = (byte)((bits >> (32 - 25)) & 31); if (tmp) dst[4] = tmp; tmp = (byte)((bits >> (32 - 30)) & 31); if (tmp) dst[5] = tmp; bits = (bits << 8) | src[4]; tmp = (byte)((bits >> (40 - 35)) & 31); if (tmp) dst[6] = tmp; tmp = (byte)((bits) & 31); if (tmp) dst[7] = tmp; dst += 8; src += 5; } while (--count); dst_org += _screenWidth; } while (--state->draw_height); } } /* vc10_helper_4 */ } else { if (getGameType() == GType_SIMON2 && state->flags & kDFUseFrontBuf && getBitFlag(171)) { state->surf_addr = state->surf2_addr; state->surf_pitch = state->surf2_pitch; } if (state->flags & kDFCompressed) { uint w, h; byte *src, *dst, *dst_org; state->x_skip *= 4; /* reached */ state->dl = state->width; state->dh = state->height; vc10_skip_cols(state); if (state->flags & kDFNonTrans) { dst_org = state->surf_addr; w = 0; do { src = vc10_depack_column(state); dst = dst_org; h = 0; do { dst[0] = (*src / 16) | state->palette; dst[1] = (*src & 15) | state->palette; dst += _screenWidth; src++; } while (++h != state->draw_height); dst_org += 2; } while (++w != state->draw_width); } else { dst_org = state->surf_addr; if (state->flags & 0x40) { /* reached */ dst_org += vcReadVar(252); } w = 0; do { byte color; src = vc10_depack_column(state); dst = dst_org; h = 0; do { color = (*src / 16); if (color) dst[0] = color | state->palette; color = (*src & 15); if (color) dst[1] = color | state->palette; dst += _screenWidth; src++; } while (++h != state->draw_height); dst_org += 2; } while (++w != state->draw_width); } /* vc10_helper_6 */ } else { const byte *src; byte *dst; uint count; src = state->depack_src + (state->width * state->y_skip) * 8; dst = state->surf_addr; state->x_skip *= 4; if (state->flags & kDFNonTrans) { do { for (count = 0; count != state->draw_width; count++) { dst[count * 2] = (src[count + state->x_skip] / 16) | state->palette; dst[count * 2 + 1] = (src[count + state->x_skip] & 15) | state->palette; } dst += _screenWidth; src += state->width * 8; } while (--state->draw_height); } else { do { for (count = 0; count != state->draw_width; count++) { byte color; color = (src[count + state->x_skip] / 16); if (color) dst[count * 2] = color | state->palette; color = (src[count + state->x_skip] & 15); if (color) dst[count * 2 + 1] = color | state->palette; } dst += _screenWidth; src += state->width * 8; } while (--state->draw_height); } /* vc10_helper_7 */ } } } void SimonEngine::horizontalScroll(VC10_state *state) { const byte *src; byte *dst; int w; if (getGameType() == GType_FF) _scrollXMax = state->width - 640; else _scrollXMax = state->width * 2 - 40; _scrollYMax = 0; _scrollImage = state->depack_src; _scrollHeight = state->height; if (_variableArray[34] == -1) state->x = _variableArray[251]; _scrollX = state->x; vcWriteVar(251, _scrollX); dst = getBackBuf(); if (getGameType() == GType_FF) src = state->depack_src + _scrollX / 2; else src = state->depack_src + _scrollX * 4; for (w = 0; w < _screenWidth; w += 8) { decodeColumn(dst, src + readUint32Wrapper(src), state->height); dst += 8; src += 4; } } void SimonEngine::verticalScroll(VC10_state *state) { debug(0, "Vertical scrolling not supported"); const byte *src; byte *dst; int h; _scrollXMax = 0; _scrollYMax = state->height - 480; _scrollImage = state->depack_src; _scrollWidth = state->width; if (_variableArray[34] == -1) state->y = _variableArray[250]; _scrollY = state->y; vcWriteVar(250, _scrollY); dst = getBackBuf(); src = state->depack_src + _scrollY / 2; for (h = 0; h < _screenHeight; h += 8) { decodeRow(dst, src + READ_LE_UINT32(src), state->width); dst += 8 * state->width; src += 4; } } void SimonEngine::scaleClip(int16 h, int16 w, int16 y, int16 x, int16 scrollY) { Common::Rect srcRect, dstRect; float factor, xscale; srcRect.left = 0; srcRect.top = 0; srcRect.right = w; srcRect.bottom = h; if (scrollY > _baseY) factor = 1 + ((scrollY - _baseY) * _scale); else factor = 1 - ((_baseY - scrollY) * _scale); xscale = ((w * factor) / 2); dstRect.left = (int16)(x - xscale); if (dstRect.left > _screenWidth - 1) return; dstRect.top = (int16)(y - (h * factor)); if (dstRect.top > _screenHeight - 1) return; dstRect.right = (int16)(x + xscale); dstRect.bottom = y; _feebleRect = dstRect; _variableArray[20] = _feebleRect.top; _variableArray[21] = _feebleRect.left; _variableArray[22] = _feebleRect.bottom; _variableArray[23] = _feebleRect.right; debug(1, "Left %d Right %d Top %d Bottom %d", dstRect.left, dstRect.right, dstRect.top, dstRect.bottom); // Unlike normal rectangles in ScummVM, it seems that in the case of // the destination rectangle the bottom and right coordinates are // considered to be inside the rectangle. For the source rectangle, // I believe that they are not. int scaledW = dstRect.width() + 1; int scaledH = dstRect.height() + 1; byte *src = getScaleBuf(); byte *dst = getBackBuf(); dst += _dxSurfacePitch * dstRect.top + dstRect.left; for (int dstY = 0; dstY < h; dstY++) { if (dstRect.top + dstY >= 0 && dstRect.top + dstY < _screenHeight) { int srcY = (dstY * h) / scaledH; byte *srcPtr = src + _dxSurfacePitch * srcY; byte *dstPtr = dst + _dxSurfacePitch * dstY; for (int dstX = 0; dstX < w; dstX++) { if (dstRect.left + dstX >= 0 && dstRect.left + dstX < _screenWidth) { int srcX = (dstX * w) / scaledW; if (srcPtr[srcX]) dstPtr[dstX] = srcPtr[srcX]; } } } } } void SimonEngine::vc11_clearPathFinder() { memset(&_pathFindArray, 0, sizeof(_pathFindArray)); } void SimonEngine::vc12_delay() { VgaSprite *vsp = findCurSprite(); uint num; if (getGameType() == GType_SIMON1) { num = vcReadVarOrWord(); } else { num = vcReadNextByte() * _frameRate; } // Work around to allow inventory arrows to be // shown in some versions of Simon the Sorcerer 1 if ((getGameType() == GType_SIMON1) && vsp->id == 128) num = 0; else num += VGA_DELAY_BASE; add_vga_timer(num, _vcPtr, _vgaCurSpriteId, _vgaCurFileId); _vcPtr = (byte *)&_vc_get_out_of_code; } void SimonEngine::vc13_addToSpriteX() { VgaSprite *vsp = findCurSprite(); vsp->x += (int16)vcReadNextWord(); _vgaSpriteChanged++; } void SimonEngine::vc14_addToSpriteY() { VgaSprite *vsp = findCurSprite(); vsp->y += (int16)vcReadNextWord(); _vgaSpriteChanged++; } void SimonEngine::vc15_wakeup_id() { VgaSleepStruct *vfs = _vgaSleepStructs, *vfs_tmp; uint16 id = vcReadNextWord(); while (vfs->ident != 0) { if (vfs->ident == id) { add_vga_timer(VGA_DELAY_BASE, vfs->code_ptr, vfs->sprite_id, vfs->cur_vga_file); vfs_tmp = vfs; do { memcpy(vfs_tmp, vfs_tmp + 1, sizeof(VgaSleepStruct)); vfs_tmp++; } while (vfs_tmp->ident != 0); } else { vfs++; } } /* clear a wait event */ if (id == _vgaWaitFor) _vgaWaitFor = 0; } void SimonEngine::vc16_sleep_on_id() { VgaSleepStruct *vfs = _vgaSleepStructs; while (vfs->ident) vfs++; vfs->ident = vcReadNextWord(); vfs->code_ptr = _vcPtr; vfs->sprite_id = _vgaCurSpriteId; vfs->cur_vga_file = _vgaCurFileId; _vcPtr = (byte *)&_vc_get_out_of_code; } void SimonEngine::vc17_setPathfinderItem() { uint a = vcReadNextWord(); _pathFindArray[a - 1] = (const uint16 *)_vcPtr; int end = (getGameType() == GType_FF) ? 9999 : 999; while (readUint16Wrapper(_vcPtr) != end) _vcPtr += 4; _vcPtr += 2; } void SimonEngine::vc18_jump() { int16 offs = vcReadNextWord(); _vcPtr += offs; } /* chain to script? */ void SimonEngine::vc19_chain_to_script() { /* unused */ error("vc19_chain_to_script: not implemented"); } /* helper routines */ void SimonEngine::vc20_setRepeat() { /* FIXME: This opcode is somewhat strange: it first reads a BE word from * the script (advancing the script pointer in doing so); then it writes * back the same word, this time as LE, into the script. */ uint16 a = vcReadNextWord(); WRITE_LE_UINT16(const_cast(_vcPtr), a); _vcPtr += 2; } void SimonEngine::vc21_endRepeat() { int16 a = vcReadNextWord(); const byte *tmp = _vcPtr + a; if (getGameType() == GType_SIMON1) tmp += 4; else tmp += 3; uint16 val = READ_LE_UINT16(tmp); if (val != 0) { // Decrement counter WRITE_LE_UINT16(const_cast(tmp), val - 1); _vcPtr = tmp + 2; } } void SimonEngine::vc22_setSpritePalette() { uint a = vcReadNextWord(); uint b = vcReadNextWord(); uint num = a == 0 ? 32 : 16; uint palSize = 96; byte *palptr, *src; if (getGameType() == GType_FF) { a = 0; num = 256; palSize = 768; } palptr = &_palette[(a * 64)]; src = _curVgaFile1 + 6 + b * palSize; do { palptr[0] = src[0] * 4; palptr[1] = src[1] * 4; palptr[2] = src[2] * 4; palptr[3] = 0; palptr += 4; src += 3; } while (--num); _paletteFlag = 2; _vgaSpriteChanged++; } void SimonEngine::vc23_setSpritePriority() { VgaSprite *vsp = findCurSprite(), *vus2; uint16 pri = vcReadNextWord(); VgaSprite bak; if (vsp->id == 0) return; memcpy(&bak, vsp, sizeof(bak)); bak.priority = pri; bak.windowNum |= 0x8000; vus2 = vsp; if (vsp != _vgaSprites && pri < vsp[-1].priority) { do { vsp--; } while (vsp != _vgaSprites && pri < vsp[-1].priority); do { memcpy(vus2, vus2 - 1, sizeof(VgaSprite)); } while (--vus2 != vsp); memcpy(vus2, &bak, sizeof(VgaSprite)); } else if (vsp[1].id != 0 && pri >= vsp[1].priority) { do { vsp++; } while (vsp[1].id != 0 && pri >= vsp[1].priority); do { memcpy(vus2, vus2 + 1, sizeof(VgaSprite)); } while (++vus2 != vsp); memcpy(vus2, &bak, sizeof(VgaSprite)); } else { vsp->priority = pri; } _vgaSpriteChanged++; } void SimonEngine::vc24_setSpriteXY() { VgaSprite *vsp = findCurSprite(); vsp->image = vcReadVarOrWord(); vsp->x += (int16)vcReadNextWord(); vsp->y += (int16)vcReadNextWord(); if (getGameType() == GType_SIMON1) { vsp->flags = vcReadNextWord(); } else { vsp->flags = vcReadNextByte(); } _vgaSpriteChanged++; } void SimonEngine::vc25_halt_sprite() { VgaSprite *vsp = findCurSprite(); while (vsp->id != 0) { memcpy(vsp, vsp + 1, sizeof(VgaSprite)); vsp++; } _vcPtr = (byte *)&_vc_get_out_of_code; _vgaSpriteChanged++; } void SimonEngine::vc26_setSubWindow() { uint16 *as = &_video_windows[vcReadNextWord() * 4]; // number as[0] = vcReadNextWord(); // x as[1] = vcReadNextWord(); // y as[2] = vcReadNextWord(); // width as[3] = vcReadNextWord(); // height } void SimonEngine::vc27_resetSprite() { VgaSprite bak, *vsp; VgaSleepStruct *vfs; VgaTimerEntry *vte, *vte2; _lockWord |= 8; memset(&bak, 0, sizeof(bak)); vsp = _vgaSprites; while (vsp->id) { if ((getGameType() == GType_SIMON1) && vsp->id == 128) { memcpy(&bak, vsp, sizeof(VgaSprite)); } vsp->id = 0; vsp++; } if (bak.id != 0) memcpy(_vgaSprites, &bak, sizeof(VgaSprite)); vfs = _vgaSleepStructs; while (vfs->ident) { vfs->ident = 0; vfs++; } vte = _vgaTimerList; while (vte->delay) { if ((getGameType() == GType_SIMON1) && vsp->id == 128) { vte++; } else { vte2 = vte; while (vte2->delay) { memcpy(vte2, vte2 + 1, sizeof(VgaTimerEntry)); vte2++; } } } vcWriteVar(254, 0); if (getGameType() == GType_FF) vcWriteVar(42, 1); _lockWord &= ~8; } void SimonEngine::vc28_dummy_op() { /* unused */ _vcPtr += 8; } void SimonEngine::vc29_stopAllSounds() { _sound->stopAll(); } void SimonEngine::vc30_setFrameRate() { _frameRate = vcReadNextWord(); } void SimonEngine::vc31_setWindow() { _windowNum = vcReadNextWord(); } uint SimonEngine::vcReadVar(uint var) { assert(var < 255); return (uint16)_variableArray[var]; } void SimonEngine::vcWriteVar(uint var, int16 value) { _variableArray[var] = value; } void SimonEngine::vc32_copyVar() { uint16 a = vcReadVar(vcReadNextWord()); vcWriteVar(vcReadNextWord(), a); } void SimonEngine::vc33_setMouseOn() { if (_mouseHideCount != 0) { _mouseHideCount = 1; mouseOn(); } } void SimonEngine::vc34_setMouseOff() { mouseOff(); _mouseHideCount = 200; _leftButtonDown = 0; } void SimonEngine::vc35_clearWindow() { /* unused */ _vcPtr += 4; _vgaSpriteChanged++; } void SimonEngine::vc36_setWindowImage() { _updateScreen = false; uint vga_res = vcReadNextWord(); uint windowNum = vcReadNextWord(); if (getGameType() == GType_SIMON1) { if (windowNum == 16) { _copyPartialMode = 2; } else { set_video_mode_internal(windowNum, vga_res); } } else { set_video_mode_internal(windowNum, vga_res); } } void SimonEngine::vc37_addToSpriteY() { VgaSprite *vsp = findCurSprite(); vsp->y += vcReadVar(vcReadNextWord()); _vgaSpriteChanged++; } void SimonEngine::vc38_skipIfVarZero() { uint var = vcReadNextWord(); if (vcReadVar(var) == 0) vcSkipNextInstruction(); } void SimonEngine::vc39_setVar() { uint var = vcReadNextWord(); int16 value = vcReadNextWord(); vcWriteVar(var, value); } void SimonEngine::vc40() { uint var = vcReadNextWord(); int16 value = vcReadVar(var) + vcReadNextWord(); if ((getGameType() == GType_SIMON2) && var == 15 && !getBitFlag(80)) { int16 tmp; if (_scrollCount != 0) { if (_scrollCount >= 0) goto no_scroll; _scrollCount = 0; } else { if (_scrollFlag != 0) goto no_scroll; } if (value - _scrollX >= 30) { _scrollCount = 20; tmp = _scrollXMax - _scrollX; if (tmp < 20) _scrollCount = tmp; add_vga_timer(6, NULL, 0, 0); /* special timer */ } } no_scroll:; vcWriteVar(var, value); } void SimonEngine::vc41() { uint var = vcReadNextWord(); int16 value = vcReadVar(var) - vcReadNextWord(); if ((getGameType() == GType_SIMON2) && var == 15 && !getBitFlag(80)) { int16 tmp; if (_scrollCount != 0) { if (_scrollCount < 0) goto no_scroll; _scrollCount = 0; } else { if (_scrollFlag != 0) goto no_scroll; } if ((uint16)(value - _scrollX) < 11) { _scrollCount = -20; tmp = _scrollXMax - _scrollX; if (_scrollX < 20) _scrollCount = -_scrollX; add_vga_timer(6, NULL, 0, 0); /* special timer */ } } no_scroll:; vcWriteVar(var, value); } void SimonEngine::vc42_delayIfNotEQ() { uint val = vcReadVar(vcReadNextWord()); if (val != vcReadNextWord()) { add_vga_timer(_frameRate + 1, _vcPtr - 4, _vgaCurSpriteId, _vgaCurFileId); _vcPtr = (byte *)&_vc_get_out_of_code; } } void SimonEngine::vc43_skipIfBitClear() { if (!getBitFlag(vcReadNextWord())) { vcSkipNextInstruction(); } } void SimonEngine::vc44_skipIfBitSet() { if (getBitFlag(vcReadNextWord())) { vcSkipNextInstruction(); } } void SimonEngine::vc45_setSpriteX() { VgaSprite *vsp = findCurSprite(); vsp->x = vcReadVar(vcReadNextWord()); _vgaSpriteChanged++; } void SimonEngine::vc46_setSpriteY() { VgaSprite *vsp = findCurSprite(); vsp->y = vcReadVar(vcReadNextWord()); _vgaSpriteChanged++; } void SimonEngine::vc47_addToVar() { uint var = vcReadNextWord(); vcWriteVar(var, vcReadVar(var) + vcReadVar(vcReadNextWord())); } void SimonEngine::vc48_setPathFinder() { uint a = (uint16)_variableArray[12]; const uint16 *p = _pathFindArray[a - 1]; if (getGameType() == GType_FF) { VgaSprite *vsp = findCurSprite(); int16 x, x2, y, y1, y2, ydiff; uint pos = 0; while(vsp->x > readUint16Wrapper(p + 2)) { p += 2; pos++; } y1 = readUint16Wrapper(p + 1); x2 = readUint16Wrapper(p + 2); y2 = readUint16Wrapper(p + 3); if (x2 != 9999) { ydiff = y2 - y1; if (ydiff < 0) { ydiff = -ydiff; x = vsp->x & 7; ydiff *= x; ydiff /= 8; ydiff = -ydiff; } else { x = vsp->x & 7; ydiff *= x; ydiff /= 8; } y1 += ydiff; } y = vsp->y; vsp->y = y1; checkScrollY(y1 - y, y1); _variableArray[11] = readUint16Wrapper(p); _variableArray[13] = pos; } else { uint b = (uint16)_variableArray[13]; p += b * 2 + 1; int c = _variableArray[14]; int step; int y1, y2; int16 *vp; step = 2; if (c < 0) { c = -c; step = -2; } vp = &_variableArray[20]; do { y2 = readUint16Wrapper(p); p += step; y1 = readUint16Wrapper(p) - y2; vp[0] = y1 / 2; vp[1] = y1 - (y1 / 2); vp += 2; } while (--c); } } void SimonEngine::setBitFlag(uint bit, bool value) { uint16 *bits = &_bitArray[bit / 16]; *bits = (*bits & ~(1 << (bit & 15))) | (value << (bit & 15)); } bool SimonEngine::getBitFlag(uint bit) { uint16 *bits = &_bitArray[bit / 16]; return (*bits & (1 << (bit & 15))) != 0; } void SimonEngine::vc49_setBit() { setBitFlag(vcReadNextWord(), true); } void SimonEngine::vc50_clearBit() { setBitFlag(vcReadNextWord(), false); } void SimonEngine::vc51_clear_hitarea_bit_0x40() { clear_hitarea_bit_0x40(vcReadNextWord()); } void SimonEngine::vc52_playSound() { bool ambient = false; uint16 sound = vcReadNextWord(); if (sound >= 0x8000) { ambient = true; sound = -sound; } if (getGameType() == GType_FF) { uint16 pan = vcReadNextWord(); uint16 vol = vcReadNextWord(); if (_curSfxFile != NULL) _sound->playSoundData(_curSfxFile, sound, pan, vol, ambient); } else if (getGameType() == GType_SIMON2) { if (ambient) { _sound->playAmbient(sound); } else { _sound->playEffects(sound); } } else if (getFeatures() & GF_TALKIE) { _sound->playEffects(sound); } else if (getGameId() == GID_SIMON1DOS) { playSting(sound); } } void SimonEngine::vc53_no_op() { // Start sound effect, panning it with the animation int snd = vcReadNextWord(); int xoffs = vcReadNextWord(); int vol = vcReadNextWord(); debug(0, "STUB: vc53_no_op: snd %d xoffs %d vol %d", snd, xoffs, vol); } void SimonEngine::vc54_no_op() { /* unused */ _vcPtr += 6; } void SimonEngine::vc55_offset_hit_area() { HitArea *ha = _hitAreas; uint count = ARRAYSIZE(_hitAreas); uint16 id = vcReadNextWord(); int16 x = vcReadNextWord(); int16 y = vcReadNextWord(); for (;;) { if (ha->id == id) { ha->x += x; ha->y += y; break; } ha++; if (!--count) break; } _needHitAreaRecalc++; } void SimonEngine::vc56_delay() { uint num = vcReadVarOrWord() * _frameRate; add_vga_timer(num + VGA_DELAY_BASE, _vcPtr, _vgaCurSpriteId, _vgaCurFileId); _vcPtr = (byte *)&_vc_get_out_of_code; } void SimonEngine::vc59() { if (getGameType() == GType_SIMON1) { if (!_sound->isVoiceActive()) vcSkipNextInstruction(); } else { uint file = vcReadNextWord(); uint start = vcReadNextWord(); uint end = vcReadNextWord() + 1; do { vc_kill_sprite(file, start); } while (++start != end); } } void SimonEngine::vc58() { uint sprite = _vgaCurSpriteId; uint file = _vgaCurFileId; const byte *vc_ptr_org; uint16 tmp; _vgaCurFileId = vcReadNextWord(); _vgaCurSpriteId = vcReadNextWord(); tmp = to16Wrapper(vcReadNextWord()); vc_ptr_org = _vcPtr; _vcPtr = (byte *)&tmp; vc23_setSpritePriority(); _vcPtr = vc_ptr_org; _vgaCurSpriteId = sprite; _vgaCurFileId = file; } void SimonEngine::vc57_no_op() { /* unused */ } void SimonEngine::vc_kill_sprite(uint file, uint sprite) { uint16 old_sprite_id, old_cur_file_id; VgaSleepStruct *vfs; VgaSprite *vsp; VgaTimerEntry *vte; const byte *vc_ptr_org; old_sprite_id = _vgaCurSpriteId; old_cur_file_id = _vgaCurFileId; vc_ptr_org = _vcPtr; _vgaCurFileId = file; _vgaCurSpriteId = sprite; vfs = _vgaSleepStructs; while (vfs->ident != 0) { if (vfs->sprite_id == _vgaCurSpriteId && ((getGameType() == GType_SIMON1) || vfs->cur_vga_file == _vgaCurFileId)) { while (vfs->ident != 0) { memcpy(vfs, vfs + 1, sizeof(VgaSleepStruct)); vfs++; } break; } vfs++; } vsp = findCurSprite(); if (vsp->id) { vc25_halt_sprite(); vte = _vgaTimerList; while (vte->delay != 0) { if (vte->sprite_id == _vgaCurSpriteId && ((getGameType() == GType_SIMON1) || vte->cur_vga_file == _vgaCurFileId)) { delete_vga_timer(vte); break; } vte++; } } _vgaCurFileId = old_cur_file_id; _vgaCurSpriteId = old_sprite_id; _vcPtr = vc_ptr_org; } void SimonEngine::vc60_killSprite() { uint file; if (getGameType() == GType_SIMON1) { file = _vgaCurFileId; } else { file = vcReadNextWord(); } uint sprite = vcReadNextWord(); vc_kill_sprite(file, sprite); } void SimonEngine::vc61_setMaskImage() { VgaSprite *vsp = findCurSprite(); vsp->image = vcReadVarOrWord(); vsp->x += vcReadNextWord(); vsp->y += vcReadNextWord(); vsp->flags = kDFMasked | 0x4; _vgaSpriteChanged++; } void SimonEngine::vc62_fastFadeOut() { uint i; vc29_stopAllSounds(); if (!_fastFadeOutFlag) { _fastFadeOutFlag = true; _videoNumPalColors = 256; if (getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) { if (_windowNum == 4) _videoNumPalColors = 208; } memcpy(_videoBuf1, _paletteBackup, _videoNumPalColors * 4); for (i = NUM_PALETTE_FADEOUT; i != 0; --i) { palette_fadeout((uint32 *)_videoBuf1, _videoNumPalColors); _system->setPalette(_videoBuf1, 0, _videoNumPalColors); if (_fade) _system->updateScreen(); delay(5); } if (getGameType() == GType_SIMON1) { uint16 params[5]; /* parameters to vc10_draw */ VgaSprite *vsp; VgaPointersEntry *vpe; const byte *vc_ptr_org = _vcPtr; vsp = _vgaSprites; while (vsp->id != 0) { if (vsp->id == 128) { byte *old_file_1 = _curVgaFile1; byte *old_file_2 = _curVgaFile2; uint palmode = _windowNum; vpe = &_vgaBufferPointers[vsp->fileId]; _curVgaFile1 = vpe->vgaFile1; _curVgaFile2 = vpe->vgaFile2; _windowNum = vsp->windowNum; params[0] = READ_BE_UINT16(&vsp->image); params[1] = READ_BE_UINT16(&vsp->palette); params[2] = READ_BE_UINT16(&vsp->x); params[3] = READ_BE_UINT16(&vsp->y); params[4] = READ_BE_UINT16(&vsp->flags); _vcPtr = (byte *)params; vc10_draw(); _windowNum = palmode; _curVgaFile1 = old_file_1; _curVgaFile2 = old_file_2; break; } vsp++; } _vcPtr = vc_ptr_org; } // Allow one section of Simon the Sorcerer 1 introduction to be displayed // in lower half of screen if ((getGameType() == GType_SIMON1) && (_subroutine == 2923 || _subroutine == 2926)) { dx_clear_surfaces(200); } else if (getGameType() == GType_FF) { dx_clear_surfaces(480); } else { dx_clear_surfaces(_windowNum == 4 ? 134 : 200); } } if (getGameType() == GType_SIMON2) { if (_nextMusicToPlay != -1) loadMusic(_nextMusicToPlay); } } void SimonEngine::vc63_fastFadeIn() { if (getGameType() == GType_FF) { _paletteColorCount = 256; } else { _paletteColorCount = 208; if (_windowNum != 4) { _paletteColorCount = 256; } } _fastFadeOutFlag = false; } void SimonEngine::vc64_skipIfSpeechEnded() { if (!_sound->isVoiceActive() || (_subtitles && _language != Common::HB_ISR)) vcSkipNextInstruction(); } void SimonEngine::vc65_slowFadeIn() { _paletteColorCount = 624; _videoNumPalColors = 208; if (_windowNum != 4) { _paletteColorCount = 768; _videoNumPalColors = 256; } _paletteColorCount |= 0x8000; _fastFadeOutFlag = false; } void SimonEngine::vc66_skipIfNotEqual() { uint a = vcReadNextWord(); uint b = vcReadNextWord(); if (vcReadVar(a) != vcReadVar(b)) vcSkipNextInstruction(); } void SimonEngine::vc67_skipIfGE() { uint a = vcReadNextWord(); uint b = vcReadNextWord(); if (vcReadVar(a) >= vcReadVar(b)) vcSkipNextInstruction(); } void SimonEngine::vc68_skipIfLE() { uint a = vcReadNextWord(); uint b = vcReadNextWord(); if (vcReadVar(a) <= vcReadVar(b)) vcSkipNextInstruction(); } void SimonEngine::vc69_playTrack() { int16 track = vcReadNextWord(); int16 loop = vcReadNextWord(); // Jamieson630: // This is a "play track". The original // design stored the track to play if one was // already in progress, so that the next time a // "fill MIDI stream" event occured, the MIDI // player would find the change and switch // tracks. We use a different architecture that // allows for an immediate response here, but // we'll simulate the variable changes so other // scripts don't get thrown off. // NOTE: This opcode looks very similar in function // to vc72(), except that vc72() may allow for // specifying a non-valid track number (999 or -1) // as a means of stopping what music is currently // playing. midi.setLoop(loop != 0); midi.startTrack(track); } void SimonEngine::vc70_queueMusic() { // Simon2 uint16 track = vcReadNextWord(); uint16 loop = vcReadNextWord(); // Jamieson630: // This sets the "on end of track" action. // It specifies whether to loop the current // track and, if not, whether to switch to // a different track upon completion. if (track != 0xFFFF && track != 999) midi.queueTrack(track, loop != 0); else midi.setLoop(loop != 0); } void SimonEngine::vc71_checkMusicQueue() { // Jamieson630: // This command skips the next instruction // unless (1) there is a track playing, AND // (2) there is a track queued to play after it. if (!midi.isPlaying (true)) vcSkipNextInstruction(); } void SimonEngine::vc72_play_track_2() { // Jamieson630: // This is a "play or stop track". Note that // this opcode looks very similar in function // to vc69(), except that this opcode may allow // for specifying a track of 999 or -1 in order to // stop the music. We'll code it that way for now. // NOTE: It's possible that when "stopping" a track, // we're supposed to just go on to the next queued // track, if any. Must find out if there is ANY // case where this is used to stop a track in the // first place. int16 track = vcReadNextWord(); int16 loop = vcReadNextWord(); if (track == -1 || track == 999) { midi.stop(); } else { midi.setLoop (loop != 0); midi.startTrack (track); } } void SimonEngine::vc73_setMark() { _marks |= (1 << vcReadNextWord()); } void SimonEngine::vc74_clearMark() { _marks &= ~(1 << vcReadNextWord()); } int SimonEngine::getScale(int y, int x) { int z; if (y > _baseY) { return((int)(x * (1 + ((y - _baseY) * _scale)))); } else { if (x == 0) return(0); if (x < 0) { z = ((int)((x * (1 - ((_baseY - y)* _scale))) - 0.5)); if (z >- 2) return(-2); return(z); } z=((int)((x * (1 - ((_baseY-y) * _scale))) + 0.5)); if (z < 2) return(2); return(z); } } void SimonEngine::vc75_setScale() { _baseY = vcReadNextWord(); _scale = (float)vcReadNextWord() / 1000000.; } void SimonEngine::vc76_setScaleXOffs() { VgaSprite *vsp = findCurSprite(); vsp->image = vcReadNextWord(); int16 x = vcReadNextWord(); int var = vcReadNextWord(); vsp->x += getScale(vsp->y, x); _variableArray[var] = vsp->x; checkScrollX(x, vsp->x); vsp->flags = kDFScaled; } void SimonEngine::vc77_setScaleYOffs() { VgaSprite *vsp = findCurSprite(); vsp->image = vcReadNextWord(); int16 y = vcReadNextWord(); int var = vcReadNextWord(); vsp->y += getScale(vsp->y, y); _variableArray[var] = vsp->y; if (y != 0) checkScrollY(y, vsp->y); vsp->flags = kDFScaled; } void SimonEngine::vc78_computeXY() { VgaSprite *vsp = findCurSprite(); uint a = (uint16)_variableArray[12]; uint b = (uint16)_variableArray[13]; const uint16 *p = _pathFindArray[a - 1]; p += b * 2; uint16 posx = readUint16Wrapper(p); _variableArray[15] = posx; vsp->x = posx; uint16 posy = readUint16Wrapper(p + 1); _variableArray[16] = posy; vsp->y = posy; setBitFlag(85, false); if (getBitFlag(74) == true) { //centreScroll(); } } void SimonEngine::vc79_computePosNum() { uint a = (uint16)_variableArray[12]; const uint16 *p = _pathFindArray[a - 1]; uint pos = 0; int16 y = _variableArray[16]; while(y > readUint16Wrapper(p + 1)) { p += 2; pos++; } _variableArray[13] = pos; } void SimonEngine::vc80_setOverlayImage() { VgaSprite *vsp = findCurSprite(); vsp->image = vcReadVarOrWord(); vsp->x += vcReadNextWord(); vsp->y += vcReadNextWord(); vsp->flags = kDFOverlayed; _vgaSpriteChanged++; } void SimonEngine::vc81_setRandom() { uint var = vcReadNextWord(); uint value = vcReadNextWord(); writeVariable(var, _rnd.getRandomNumber(value - 1)); } void SimonEngine::vc82_getPathValue() { uint8 val; uint16 var = vcReadNextWord(); if (getBitFlag(82) == true) { val = _pathValues1[_GPVCount1++]; } else { val = _pathValues[_GPVCount++]; } writeVariable(var, val); } void SimonEngine::vc83_playSoundLoop() { // Start looping sound effect int snd = vcReadNextWord(); int vol = vcReadNextWord(); int pan = vcReadNextWord(); debug(0, "STUB: vc83_playSoundLoop: snd %d vol %d pan %d", snd, vol, pan); } void SimonEngine::vc84_stopSoundLoop() { // Stop looping sound effect debug(0, "STUB: vc84_stopSoundLoop"); } // Scrolling functions for Feeble Files void SimonEngine::checkScrollX(int x, int xpos) { if (_scrollXMax == 0 || getBitFlag(80) || getBitFlag(82) || x == 0) return; int16 tmp; if (x > 0) { if (_scrollCount != 0) { if (_scrollCount >= 0) return; _scrollCount = 0; } else { if (_scrollFlag != 0) return; } if (xpos - _scrollX >= 480) { _scrollCount = 320; tmp = _scrollXMax - _scrollX; if (tmp < 320) _scrollCount = tmp; } } else { if (_scrollCount != 0) { if (_scrollCount < 0) return; _scrollCount = 0; } else { if (_scrollFlag != 0) return; } if ((uint16)(xpos - _scrollX) < 161) { _scrollCount = -320; tmp = _scrollXMax - _scrollX; if (_scrollX < 320) _scrollCount = -_scrollX; } } } void SimonEngine::checkScrollY(int y, int ypos) { if (_scrollYMax == 0 || getBitFlag(80)) return; int16 tmp; if (y > 0) { if (_scrollCount != 0) { if (_scrollCount >= 0) return; _scrollCount = 0; } else { if (_scrollFlag != 0) return; } if (ypos - _scrollY >= 440) { _scrollCount = 240; tmp = _scrollYMax - _scrollY; if (tmp < 240) _scrollCount = tmp; } } else { if (_scrollCount != 0) { if (_scrollCount < 0) return; _scrollCount = 0; } else { if (_scrollFlag != 0) return; } if ((uint16)(ypos - _scrollY) < 100) { _scrollCount = -240; tmp = _scrollYMax - _scrollY; if (_scrollY < 240) _scrollCount = -_scrollY; } } } } // End of namespace Simon