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scummvm/simon/vga.cpp
Travis Howell 8323123aa7 Remove leftover 
svn-id: r19788
2005-12-13 03:26:49 +00:00

2295 lines
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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2005 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.
*
* $Header$
*
*/
// 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) {
vs->depack_cont = -0x80;
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::decodeStripA(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::vc10_draw() {
byte *p2;
uint width, height;
uint maxWidth, maxHeight;
byte flags;
const uint16 *vlut;
VC10_state state;
int cur;
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();
if (getGameType() == GType_SIMON2) {
state.x -= _scrollX;
}
state.y = (int16)vcReadNextWord();
if (getGameType() == GType_SIMON1) {
state.flags = vcReadNextWord();
} else {
state.flags = vcReadNextByte();
}
if (state.image < 0)
state.image = vcReadVar(-state.image);
debug(1, "vc10_draw: image %d palette %d x %d y %d flags 0x0%x\n", state.image, state.palette, state.x, state.y, state.flags);
p2 = _curVgaFile2 + state.image * 8;
if (getGameType() == GType_FF) {
state.depack_src = _curVgaFile2 + READ_LE_UINT32(p2);
width = READ_LE_UINT16(p2 + 6);
height = READ_LE_UINT16(p2 + 4) & 0x7FFF;
flags = p2[5];
debug(1, "Width %d Height %d Flags 0x%x", width, height, flags);
} else {
state.depack_src = _curVgaFile2 + READ_BE_UINT32(p2);
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 * 16, height,
state.palette);
// TODO::Add support for image overlay and scaling in Feeble Files
if (flags & 0x80 && !(state.flags & 0x10)) {
if (state.flags & 1) {
state.flags &= ~1;
state.flags |= 0x10;
} else {
state.flags |= 0x8;
}
}
maxWidth = (getGameType() == GType_FF) ? 640 : 20;
if (getGameType() == GType_SIMON2 && width > maxWidth) {
const byte *src;
byte *dst;
uint w;
_scrollXMax = width * 2 - 40;
_scrollImage = state.depack_src;
_scrollHeight = height;
if (_variableArray[34] == -1)
state.x = _variableArray[251];
_scrollX = state.x;
vcWriteVar(251, _scrollX);
dst = dx_lock_attached();
src = state.depack_src + _scrollX * 4;
for (w = 0; w < 40; w++) {
decodeStripA(dst, src + READ_BE_UINT32(src), height);
dst += 8;
src += 4;
}
dx_unlock_attached();
return;
}
if (getGameType() == GType_FF && height > 480) {
debug(0, "Vertical scrolling not supported\n");
return;
}
if (getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) {
if (state.flags & 0x10) {
state.depack_src = vc10_uncompressFlip(state.depack_src, width, height);
} else if (state.flags & 1) {
state.depack_src = vc10_flip(state.depack_src, width, height);
}
}
vlut = &_video_windows[_windowNum * 4];
state.width = state.draw_width = width; /* cl */
state.height = state.draw_height = height; /* ch */
if (getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) {
state.draw_width = width * 2;
}
state.x_skip = 0; /* colums to skip = bh */
state.y_skip = 0; /* rows to skip = bl */
cur = state.x;
if (cur < 0) {
do {
if (!--state.draw_width)
return;
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;
} while (--cur);
}
cur = state.y;
if (cur < 0) {
do {
if (!--state.draw_height)
return;
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;
} while (--cur);
}
assert(state.draw_width != 0 && state.draw_height != 0);
if (getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) {
state.draw_width *= 4;
}
state.surf2_addr = dx_lock_2();
state.surf2_pitch = _dxSurfacePitch;
state.surf_addr = dx_lock_attached();
state.surf_pitch = _dxSurfacePitch;
if (getGameType() == GType_FF) {
drawImages_Feeble(&state);
} else {
drawImages(&state);
}
dx_unlock_2();
dx_unlock_attached();
}
void SimonEngine::drawImages_Feeble(VC10_state *state) {
state->surf2_addr += state->x + state->y * state->surf2_pitch;
state->surf_addr += state->x + state->y * state->surf_pitch;
if (state->flags & 0x20) {
if (vcGetBit(81) == false) {
// TODO: Compare Feeble rect
}
uint w, h;
byte *src, *dst, *dst_org;
state->dl = state->width;
state->dh = state->height;
vc10_skip_cols(state);
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 {
if (state->flags & 0x8) {
uint w, h;
byte *src, *dst, *dst_org;
state->dl = state->width;
state->dh = state->height;
vc10_skip_cols(state);
if (state->flags & 2) {
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);
} 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 (color)
*dst = color;
dst += _screenWidth;
src++;
} while (++h != state->draw_height);
dst_org++;
} while (++w != state->draw_width);
}
} else {
const byte *src;
byte *dst;
uint count;
src = state->depack_src + state->width * state->y_skip;
dst = state->surf_addr;
if (state->flags & 0x80) {
do {
for (count = 0; count != state->draw_width; count++) {
byte color;
color = src[count + state->x_skip];
if (color) {
if (color == 220)
color = 244;
dst[count] = color;
}
}
dst += _screenWidth;
src += state->width;
} while (--state->draw_height);
} else {
do {
for (count = 0; count != state->draw_width; count++) {
byte color;
color = src[count + state->x_skip];
if (color)
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];
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 & 0x20) {
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) && vcGetBit(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 & 8)) {
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 & 2) {
/* 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 & 2) {
/* 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 & 0x4 && _bitArray[10] & 0x800) {
state->surf_addr = state->surf2_addr;
state->surf_pitch = state->surf2_pitch;
}
if (state->flags & 0x8) {
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 & 2) {
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 & 2) {
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::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<byte *>(_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<byte *>(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);
_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 && !(_bitArray[5] & 1)) {
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 && !(_bitArray[5] & 1)) {
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 (!vcGetBit(vcReadNextWord())) {
vcSkipNextInstruction();
}
}
void SimonEngine::vc44_skipIfBitSet() {
if (vcGetBit(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(y, diff);
_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::vcSetBitTo(uint bit, bool value) {
uint16 *bits = &_bitArray[bit >> 4];
*bits = (*bits & ~(1 << (bit & 15))) | (value << (bit & 15));
}
bool SimonEngine::vcGetBit(uint bit) {
uint16 *bits = &_bitArray[bit >> 4];
return (*bits & (1 << (bit & 15))) != 0;
}
void SimonEngine::vc49_setBit() {
vcSetBitTo(vcReadNextWord(), true);
}
void SimonEngine::vc50_clearBit() {
vcSetBitTo(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();
_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 = 0x24;
_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() {
vcReadNextByte();
_marks |= 1 << vcReadNextByte();
}
void SimonEngine::vc74_clearMark() {
vcReadNextByte();
_marks &= ~(1 << vcReadNextByte());
}
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 xoffs = vcReadNextWord();
int var = vcReadNextWord();
vsp->x += getScale(vsp->x, xoffs);
_variableArray[var] = vsp->x;
if (_scrollXMax) {
// TODO: Scroll check
}
vsp->flags = 0x40;
}
void SimonEngine::vc77_setScaleYOffs() {
VgaSprite *vsp = findCurSprite();
vsp->image = vcReadNextWord();
int16 yoffs = vcReadNextWord();
int var = vcReadNextWord();
vsp->y += getScale(vsp->y, yoffs);
_variableArray[var] = vsp->y;
vsp->flags = 0x40;
}
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;
vcSetBitTo(85, false);
if (vcGetBit(74) == true) {
//centreScroll();
}
}
void SimonEngine::vc79_computePosNum() {
uint a = (uint16)_variableArray[12];
uint pos = 0;
const uint16 *p = _pathFindArray[a - 1];
int16 y = vcReadNextWord();
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 = 0x10;
_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 (vcGetBit(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");
}
} // End of namespace Simon
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