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cutscene.cpp
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cutscene.cpp
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/*
* REminiscence - Flashback interpreter
* Copyright (C) 2005-2019 Gregory Montoir (cyx@users.sourceforge.net)
*/
#include <math.h>
#include "cutscene.h"
#include "resource.h"
#include "systemstub.h"
#include "util.h"
#include "video.h"
static void scalePoints(Point *pt, int count, int scale) {
if (scale != 1) {
while (count-- > 0) {
pt->x *= scale;
pt->y *= scale;
++pt;
}
}
}
Cutscene::Cutscene(Resource *res, SystemStub *stub, Video *vid)
: _res(res), _stub(stub), _vid(vid) {
_patchedOffsetsTable = 0;
memset(_palBuf, 0, sizeof(_palBuf));
}
const uint8_t *Cutscene::getCommandData() const {
return _res->_cmd;
}
const uint8_t *Cutscene::getPolygonData() const {
return _res->_pol;
}
void Cutscene::sync() {
if (_stub->_pi.quit) {
return;
}
if (_stub->_pi.dbgMask & PlayerInput::DF_FASTMODE) {
return;
}
const int32_t delay = _stub->getTimeStamp() - _tstamp;
const int32_t pause = _frameDelay * TIMER_SLICE - delay;
if (pause > 0) {
_stub->sleep(pause);
}
_tstamp = _stub->getTimeStamp();
}
void Cutscene::copyPalette(const uint8_t *pal, uint16_t num) {
uint8_t *dst = _palBuf;
if (num != 0) {
dst += 0x20;
}
memcpy(dst, pal, 0x20);
_newPal = true;
}
void Cutscene::updatePalette() {
if (_newPal) {
const uint8_t *p = _palBuf;
for (int i = 0; i < 32; ++i) {
const uint16_t color = READ_BE_UINT16(p); p += 2;
Color c = Video::AMIGA_convertColor(color);
_stub->setPaletteEntry(0xC0 + i, &c);
}
_newPal = false;
}
}
void Cutscene::setPalette() {
sync();
updatePalette();
SWAP(_page0, _page1);
_stub->copyRect(0, 0, _vid->_w, _vid->_h, _page0, _vid->_w);
_stub->updateScreen(0);
}
#if 0
#define SIN(a) (int16_t)(sin(a * M_PI / 180) * 256)
#define COS(a) (int16_t)(cos(a * M_PI / 180) * 256)
#else
#define SIN(a) _sinTable[a]
#define COS(a) _cosTable[a]
#endif
/*
cos(60) table: 128, math: 127
cos(120) table:-127, math:-128
cos(240) table:-128, math:-127
sin(330) table: 221, math:-127
*/
/*
a = rotation angle
b = scale/distort vertically (180)
c = scale/distort horizontally (90)
| x | cos_a sin_a | cos_b | cos_c * sin_b |
| y | sin_a -cos_a | sin_c | 1 |
*/
void Cutscene::setRotationTransform(uint16_t a, uint16_t b, uint16_t c) { // identity a:0 b:180 c:90
const int16_t sin_a = SIN(a);
const int16_t cos_a = COS(a);
const int16_t sin_c = SIN(c);
const int16_t cos_c = COS(c);
const int16_t sin_b = SIN(b);
const int16_t cos_b = COS(b);
_rotMat[0] = ((cos_a * cos_b) >> 8) - ((((cos_c * sin_a) >> 8) * sin_b) >> 8);
_rotMat[1] = ((sin_a * cos_b) >> 8) + ((((cos_c * cos_a) >> 8) * sin_b) >> 8);
_rotMat[2] = ( sin_c * sin_a) >> 8;
_rotMat[3] = (-sin_c * cos_a) >> 8;
}
static bool isNewLineChar(uint8_t chr, Resource *res) {
const uint8_t nl = (res->_lang == LANG_JP) ? 0xD1 : 0x7C;
return chr == nl;
}
uint16_t Cutscene::findTextSeparators(const uint8_t *p, int len) {
uint8_t *q = _textSep;
uint16_t ret = 0;
uint16_t pos = 0;
for (int i = 0; i < len && p[i] != 0xA; ++i) {
if (isNewLineChar(p[i], _res)) {
*q++ = pos;
if (pos > ret) {
ret = pos;
}
pos = 0;
} else {
++pos;
}
}
*q++ = pos;
if (pos > ret) {
ret = pos;
}
*q++ = 0;
return ret;
}
void Cutscene::drawText(int16_t x, int16_t y, const uint8_t *p, uint16_t color, uint8_t *page, int textJustify) {
debug(DBG_CUT, "Cutscene::drawText(x=%d, y=%d, c=%d, justify=%d)", x, y, color, textJustify);
int len = strlen((const char *)p);
Video::drawCharFunc dcf = _vid->_drawChar;
const uint8_t *fnt = (_res->_lang == LANG_JP) ? Video::_font8Jp : _res->_fnt;
uint16_t lastSep = 0;
if (textJustify != kTextJustifyLeft) {
lastSep = findTextSeparators(p, len);
if (textJustify != kTextJustifyCenter) {
lastSep = (_res->_lang == LANG_JP) ? 20 : 30;
}
}
const uint8_t *sep = _textSep;
y += 50;
x += (_res->_lang == LANG_JP) ? 0 : 8;
int16_t yPos = y;
int16_t xPos = x;
if (textJustify != kTextJustifyLeft) {
xPos += ((lastSep - *sep++) / 2) * Video::CHAR_W;
}
for (int i = 0; i < len && p[i] != 0xA; ++i) {
if (isNewLineChar(p[i], _res)) {
yPos += Video::CHAR_H;
xPos = x;
if (textJustify != kTextJustifyLeft) {
xPos += ((lastSep - *sep++) / 2) * Video::CHAR_W;
}
} else if (p[i] == 0x20) {
xPos += Video::CHAR_W;
} else if (p[i] == 0x9) {
// ignore tab
} else {
(_vid->*dcf)(page, _vid->_w, xPos, yPos, fnt, color, p[i]);
xPos += Video::CHAR_W;
}
}
}
void Cutscene::swapLayers() {
if (_clearScreen == 0) {
memcpy(_page1, _pageC, _vid->_layerSize);
} else {
memset(_page1, 0xC0, _vid->_layerSize);
}
}
void Cutscene::drawCreditsText() {
if (_creditsSequence) {
if (_creditsKeepText != 0) {
if (_creditsSlowText == 0) {
_creditsKeepText = 0;
} else {
return;
}
}
if (_creditsTextCounter <= 0) {
const uint8_t code = *_textCurPtr;
if (code == 0xFF) {
_textBuf[0] = 0xA;
} else if (code == 0xFE) {
++_textCurPtr;
_creditsTextCounter = *_textCurPtr++;
} else if (code == 1) {
++_textCurPtr;
_creditsTextPosX = *_textCurPtr++;
_creditsTextPosY = *_textCurPtr++;
} else if (code == 0) {
_textCurBuf = _textBuf;
_textBuf[0] = 0xA;
++_textCurPtr;
if (_creditsSlowText != 0) {
_creditsKeepText = 0xFF;
}
} else {
*_textCurBuf++ = code;
*_textCurBuf = 0xA;
++_textCurPtr;
}
} else {
_creditsTextCounter -= 10;
}
drawText((_creditsTextPosX - 1) * 8, _creditsTextPosY * 8, _textBuf, 0xEF, _page1, kTextJustifyLeft);
}
}
void Cutscene::drawProtectionShape(uint8_t shapeNum, int16_t zoom) {
debug(DBG_CUT, "Cutscene::drawProtectionShape() shapeNum = %d", shapeNum);
_shape_ix = 64;
_shape_iy = 64;
_shape_count = 0;
int16_t x = 0;
int16_t y = 0;
zoom += 512;
const uint8_t *shapeOffsetTable = _protectionShapeData + READ_BE_UINT16(_protectionShapeData + 0x02);
const uint8_t *shapeDataTable = _protectionShapeData + READ_BE_UINT16(_protectionShapeData + 0x0E);
const uint8_t *verticesOffsetTable = _protectionShapeData + READ_BE_UINT16(_protectionShapeData + 0x0A);
const uint8_t *verticesDataTable = _protectionShapeData + READ_BE_UINT16(_protectionShapeData + 0x12);
++shapeNum;
const uint8_t *shapeData = shapeDataTable + READ_BE_UINT16(shapeOffsetTable + (shapeNum & 0x7FF) * 2);
uint16_t primitiveCount = READ_BE_UINT16(shapeData); shapeData += 2;
while (primitiveCount--) {
uint16_t verticesOffset = READ_BE_UINT16(shapeData); shapeData += 2;
const uint8_t *p = verticesDataTable + READ_BE_UINT16(verticesOffsetTable + (verticesOffset & 0x3FFF) * 2);
int16_t dx = 0;
int16_t dy = 0;
if (verticesOffset & 0x8000) {
dx = READ_BE_UINT16(shapeData); shapeData += 2;
dy = READ_BE_UINT16(shapeData); shapeData += 2;
}
_hasAlphaColor = (verticesOffset & 0x4000) != 0;
_primitiveColor = 0xC0 + *shapeData++;
drawShapeScale(p, zoom, dx, dy, x, y, 0, 0);
++_shape_count;
}
}
void Cutscene::op_markCurPos() {
debug(DBG_CUT, "Cutscene::op_markCurPos()");
_cmdPtrBak = _cmdPtr;
drawCreditsText();
_frameDelay = 5;
setPalette();
swapLayers();
_creditsSlowText = 0;
}
void Cutscene::op_refreshScreen() {
debug(DBG_CUT, "Cutscene::op_refreshScreen()");
_clearScreen = fetchNextCmdByte();
if (_clearScreen != 0) {
swapLayers();
_creditsSlowText = 0;
}
}
void Cutscene::op_waitForSync() {
debug(DBG_CUT, "Cutscene::op_waitForSync()");
if (_creditsSequence) {
uint16_t n = fetchNextCmdByte() * 2;
do {
_creditsSlowText = 0xFF;
_frameDelay = 3;
if (_textBuf == _textCurBuf) {
_creditsTextCounter = _res->isAmiga() ? 60 : 20;
}
memcpy(_page1, _page0, _vid->_layerSize);
drawCreditsText();
setPalette();
} while (--n);
swapLayers();
_creditsSlowText = 0;
} else {
_frameDelay = fetchNextCmdByte() * 4;
sync(); // XXX handle input
}
}
void Cutscene::drawShape(const uint8_t *data, int16_t x, int16_t y) {
debug(DBG_CUT, "Cutscene::drawShape()");
_gfx.setLayer(_page1, _vid->_w);
uint8_t numVertices = *data++;
if (numVertices & 0x80) {
Point pt;
pt.x = READ_BE_UINT16(data) + x; data += 2;
pt.y = READ_BE_UINT16(data) + y; data += 2;
uint16_t rx = READ_BE_UINT16(data); data += 2;
uint16_t ry = READ_BE_UINT16(data); data += 2;
scalePoints(&pt, 1, _vid->_layerScale);
_gfx.drawEllipse(_primitiveColor, _hasAlphaColor, &pt, rx, ry);
} else if (numVertices == 0) {
Point pt;
pt.x = READ_BE_UINT16(data) + x; data += 2;
pt.y = READ_BE_UINT16(data) + y; data += 2;
scalePoints(&pt, 1, _vid->_layerScale);
_gfx.drawPoint(_primitiveColor, &pt);
} else {
Point *pt = _vertices;
int16_t ix = READ_BE_UINT16(data); data += 2;
int16_t iy = READ_BE_UINT16(data); data += 2;
pt->x = ix + x;
pt->y = iy + y;
++pt;
int16_t n = numVertices - 1;
++numVertices;
for (; n >= 0; --n) {
int16_t dx = (int8_t)*data++;
int16_t dy = (int8_t)*data++;
if (dy == 0 && n != 0 && *(data + 1) == 0) {
ix += dx;
--numVertices;
} else {
ix += dx;
iy += dy;
pt->x = ix + x;
pt->y = iy + y;
++pt;
}
}
scalePoints(_vertices, numVertices, _vid->_layerScale);
_gfx.drawPolygon(_primitiveColor, _hasAlphaColor, _vertices, numVertices);
}
}
void Cutscene::op_drawShape() {
debug(DBG_CUT, "Cutscene::op_drawShape()");
int16_t x = 0;
int16_t y = 0;
uint16_t shapeOffset = fetchNextCmdWord();
if (shapeOffset & 0x8000) {
x = fetchNextCmdWord();
y = fetchNextCmdWord();
}
const uint8_t *shapeOffsetTable = _polPtr + READ_BE_UINT16(_polPtr + 0x02);
const uint8_t *shapeDataTable = _polPtr + READ_BE_UINT16(_polPtr + 0x0E);
const uint8_t *verticesOffsetTable = _polPtr + READ_BE_UINT16(_polPtr + 0x0A);
const uint8_t *verticesDataTable = _polPtr + READ_BE_UINT16(_polPtr + 0x12);
const uint8_t *shapeData = shapeDataTable + READ_BE_UINT16(shapeOffsetTable + (shapeOffset & 0x7FF) * 2);
uint16_t primitiveCount = READ_BE_UINT16(shapeData); shapeData += 2;
while (primitiveCount--) {
uint16_t verticesOffset = READ_BE_UINT16(shapeData); shapeData += 2;
const uint8_t *primitiveVertices = verticesDataTable + READ_BE_UINT16(verticesOffsetTable + (verticesOffset & 0x3FFF) * 2);
int16_t dx = 0;
int16_t dy = 0;
if (verticesOffset & 0x8000) {
dx = READ_BE_UINT16(shapeData); shapeData += 2;
dy = READ_BE_UINT16(shapeData); shapeData += 2;
}
_hasAlphaColor = (verticesOffset & 0x4000) != 0;
uint8_t color = *shapeData++;
if (_clearScreen == 0) {
color += 0x10;
}
_primitiveColor = 0xC0 + color;
drawShape(primitiveVertices, x + dx, y + dy);
}
if (_clearScreen != 0) {
memcpy(_pageC, _page1, _vid->_layerSize);
}
}
void Cutscene::op_setPalette() {
debug(DBG_CUT, "Cutscene::op_setPalette()");
uint8_t num = fetchNextCmdByte();
uint8_t palNum = fetchNextCmdByte();
uint16_t off = READ_BE_UINT16(_polPtr + 6);
const uint8_t *p = _polPtr + off + num * 32;
copyPalette(p, palNum ^ 1);
if (_creditsSequence) {
_palBuf[0x20] = 0x0F;
_palBuf[0x21] = 0xFF;
}
}
void Cutscene::op_drawCaptionText() {
debug(DBG_CUT, "Cutscene::op_drawCaptionText()");
uint16_t strId = fetchNextCmdWord();
if (!_creditsSequence) {
// 'espions' - ignore last call, allows caption to be displayed longer on the screen
if (_id == 0x39 && strId == 0xFFFF) {
if ((_res->isDOS() && (_cmdPtr - _cmdPtrBak) == 0x10) || (_res->isAmiga() && (_cmdPtr - getCommandData()) == 0x9F3)) {
_frameDelay = 100;
setPalette();
return;
}
}
const int h = 45 * _vid->_layerScale;
const int y = Video::GAMESCREEN_H * _vid->_layerScale - h;
memset(_pageC + y * _vid->_w, 0xC0, h * _vid->_w);
memset(_page1 + y * _vid->_w, 0xC0, h * _vid->_w);
memset(_page0 + y * _vid->_w, 0xC0, h * _vid->_w);
if (strId != 0xFFFF) {
const uint8_t *str = _res->getCineString(strId);
if (str) {
drawText(0, 129, str, 0xEF, _page1, kTextJustifyAlign);
drawText(0, 129, str, 0xEF, _pageC, kTextJustifyAlign);
}
}
}
}
void Cutscene::op_nop() {
debug(DBG_CUT, "Cutscene::op_nop()");
}
void Cutscene::op_skip3() {
debug(DBG_CUT, "Cutscene::op_skip3()");
_cmdPtr += 3;
}
void Cutscene::op_refreshAll() {
debug(DBG_CUT, "Cutscene::op_refreshAll()");
_frameDelay = 5;
setPalette();
swapLayers();
_creditsSlowText = 0xFF;
op_handleKeys();
}
void Cutscene::drawShapeScale(const uint8_t *data, int16_t zoom, int16_t b, int16_t c, int16_t d, int16_t e, int16_t f, int16_t g) {
debug(DBG_CUT, "Cutscene::drawShapeScale(%d, %d, %d, %d, %d, %d, %d)", zoom, b, c, d, e, f, g);
_gfx.setLayer(_page1, _vid->_w);
uint8_t numVertices = *data++;
if (numVertices & 0x80) {
int16_t x, y;
Point *pt = _vertices;
Point pr[2];
_shape_cur_x = b + READ_BE_UINT16(data); data += 2;
_shape_cur_y = c + READ_BE_UINT16(data); data += 2;
x = READ_BE_UINT16(data); data += 2;
y = READ_BE_UINT16(data); data += 2;
_shape_cur_x16 = 0;
_shape_cur_y16 = 0;
pr[0].x = 0;
pr[0].y = -y;
pr[1].x = -x;
pr[1].y = y;
if (_shape_count == 0) {
f -= ((((_shape_ix - _shape_ox) * zoom) * 128) + 0x8000) >> 16;
g -= ((((_shape_iy - _shape_oy) * zoom) * 128) + 0x8000) >> 16;
pt->x = f;
pt->y = g;
++pt;
_shape_cur_x16 = f << 16;
_shape_cur_y16 = g << 16;
} else {
_shape_cur_x16 = _shape_prev_x16 + ((_shape_cur_x - _shape_prev_x) * zoom) * 128;
pt->x = (_shape_cur_x16 + 0x8000) >> 16;
_shape_cur_y16 = _shape_prev_y16 + ((_shape_cur_y - _shape_prev_y) * zoom) * 128;
pt->y = (_shape_cur_y16 + 0x8000) >> 16;
++pt;
}
for (int i = 0; i < 2; ++i) {
_shape_cur_x += pr[i].x;
_shape_cur_x16 += pr[i].x * zoom * 128;
pt->x = (_shape_cur_x16 + 0x8000) >> 16;
_shape_cur_y += pr[i].y;
_shape_cur_y16 += pr[i].y * zoom * 128;
pt->y = (_shape_cur_y16 + 0x8000) >> 16;
++pt;
}
_shape_prev_x = _shape_cur_x;
_shape_prev_y = _shape_cur_y;
_shape_prev_x16 = _shape_cur_x16;
_shape_prev_y16 = _shape_cur_y16;
Point po;
po.x = _vertices[0].x + d + _shape_ix;
po.y = _vertices[0].y + e + _shape_iy;
int16_t rx = _vertices[0].x - _vertices[2].x;
int16_t ry = _vertices[0].y - _vertices[1].y;
scalePoints(&po, 1, _vid->_layerScale);
_gfx.drawEllipse(_primitiveColor, _hasAlphaColor, &po, rx, ry);
} else if (numVertices == 0) {
Point pt;
pt.x = _shape_cur_x = b + READ_BE_UINT16(data); data += 2;
pt.y = _shape_cur_y = c + READ_BE_UINT16(data); data += 2;
if (_shape_count == 0) {
f -= ((((_shape_ix - pt.x) * zoom) * 128) + 0x8000) >> 16;
g -= ((((_shape_iy - pt.y) * zoom) * 128) + 0x8000) >> 16;
pt.x = f + _shape_ix + d;
pt.y = g + _shape_iy + e;
_shape_cur_x16 = f << 16;
_shape_cur_y16 = g << 16;
} else {
_shape_cur_x16 = _shape_prev_x16 + ((pt.x - _shape_prev_x) * zoom) * 128;
_shape_cur_y16 = _shape_prev_y16 + ((pt.y - _shape_prev_y) * zoom) * 128;
pt.x = ((_shape_cur_x16 + 0x8000) >> 16) + _shape_ix + d;
pt.y = ((_shape_cur_y16 + 0x8000) >> 16) + _shape_iy + e;
}
_shape_prev_x = _shape_cur_x;
_shape_prev_y = _shape_cur_y;
_shape_prev_x16 = _shape_cur_x16;
_shape_prev_y16 = _shape_cur_y16;
scalePoints(&pt, 1, _vid->_layerScale);
_gfx.drawPoint(_primitiveColor, &pt);
} else {
Point *pt = _vertices;
int16_t ix, iy;
_shape_cur_x = ix = READ_BE_UINT16(data) + b; data += 2;
_shape_cur_y = iy = READ_BE_UINT16(data) + c; data += 2;
if (_shape_count == 0) {
f -= ((((_shape_ix - _shape_ox) * zoom) * 128) + 0x8000) >> 16;
g -= ((((_shape_iy - _shape_oy) * zoom) * 128) + 0x8000) >> 16;
pt->x = f + _shape_ix + d;
pt->y = g + _shape_iy + e;
++pt;
_shape_cur_x16 = f << 16;
_shape_cur_y16 = g << 16;
} else {
_shape_cur_x16 = _shape_prev_x16 + ((_shape_cur_x - _shape_prev_x) * zoom) * 128;
_shape_cur_y16 = _shape_prev_y16 + ((_shape_cur_y - _shape_prev_y) * zoom) * 128;
pt->x = ix = ((_shape_cur_x16 + 0x8000) >> 16) + _shape_ix + d;
pt->y = iy = ((_shape_cur_y16 + 0x8000) >> 16) + _shape_iy + e;
++pt;
}
int16_t n = numVertices - 1;
++numVertices;
int16_t sx = 0;
for (; n >= 0; --n) {
ix = (int8_t)(*data++) + sx;
iy = (int8_t)(*data++);
if (iy == 0 && n != 0 && *(data + 1) == 0) {
sx = ix;
--numVertices;
} else {
sx = 0;
_shape_cur_x += ix;
_shape_cur_y += iy;
_shape_cur_x16 += ix * zoom * 128;
_shape_cur_y16 += iy * zoom * 128;
pt->x = ((_shape_cur_x16 + 0x8000) >> 16) + _shape_ix + d;
pt->y = ((_shape_cur_y16 + 0x8000) >> 16) + _shape_iy + e;
++pt;
}
}
_shape_prev_x = _shape_cur_x;
_shape_prev_y = _shape_cur_y;
_shape_prev_x16 = _shape_cur_x16;
_shape_prev_y16 = _shape_cur_y16;
scalePoints(_vertices, numVertices, _vid->_layerScale);
_gfx.drawPolygon(_primitiveColor, _hasAlphaColor, _vertices, numVertices);
}
}
void Cutscene::op_drawShapeScale() {
debug(DBG_CUT, "Cutscene::op_drawShapeScale()");
_shape_count = 0;
int16_t x = 0;
int16_t y = 0;
uint16_t shapeOffset = fetchNextCmdWord();
if (shapeOffset & 0x8000) {
x = fetchNextCmdWord();
y = fetchNextCmdWord();
}
uint16_t zoom = fetchNextCmdWord() + 512;
_shape_ix = fetchNextCmdByte();
_shape_iy = fetchNextCmdByte();
const uint8_t *shapeOffsetTable = _polPtr + READ_BE_UINT16(_polPtr + 0x02);
const uint8_t *shapeDataTable = _polPtr + READ_BE_UINT16(_polPtr + 0x0E);
const uint8_t *verticesOffsetTable = _polPtr + READ_BE_UINT16(_polPtr + 0x0A);
const uint8_t *verticesDataTable = _polPtr + READ_BE_UINT16(_polPtr + 0x12);
const uint8_t *shapeData = shapeDataTable + READ_BE_UINT16(shapeOffsetTable + (shapeOffset & 0x7FF) * 2);
uint16_t primitiveCount = READ_BE_UINT16(shapeData); shapeData += 2;
if (primitiveCount != 0) {
uint16_t verticesOffset = READ_BE_UINT16(shapeData);
int16_t dx = 0;
int16_t dy = 0;
if (verticesOffset & 0x8000) {
dx = READ_BE_UINT16(shapeData + 2);
dy = READ_BE_UINT16(shapeData + 4);
}
const uint8_t *p = verticesDataTable + READ_BE_UINT16(verticesOffsetTable + (verticesOffset & 0x3FFF) * 2) + 1;
_shape_ox = READ_BE_UINT16(p) + dx; p += 2;
_shape_oy = READ_BE_UINT16(p) + dy; p += 2;
while (primitiveCount--) {
verticesOffset = READ_BE_UINT16(shapeData); shapeData += 2;
p = verticesDataTable + READ_BE_UINT16(verticesOffsetTable + (verticesOffset & 0x3FFF) * 2);
dx = 0;
dy = 0;
if (verticesOffset & 0x8000) {
dx = READ_BE_UINT16(shapeData); shapeData += 2;
dy = READ_BE_UINT16(shapeData); shapeData += 2;
}
_hasAlphaColor = (verticesOffset & 0x4000) != 0;
uint8_t color = *shapeData++;
if (_clearScreen == 0) {
color += 0x10; // 2nd pal buf
}
_primitiveColor = 0xC0 + color;
drawShapeScale(p, zoom, dx, dy, x, y, 0, 0);
++_shape_count;
}
}
}
void Cutscene::drawShapeScaleRotate(const uint8_t *data, int16_t zoom, int16_t b, int16_t c, int16_t d, int16_t e, int16_t f, int16_t g) {
debug(DBG_CUT, "Cutscene::drawShapeScaleRotate(%d, %d, %d, %d, %d, %d, %d)", zoom, b, c, d, e, f, g);
_gfx.setLayer(_page1, _vid->_w);
uint8_t numVertices = *data++;
if (numVertices & 0x80) {
int16_t x, y, ix, iy;
Point pr[2];
Point *pt = _vertices;
_shape_cur_x = ix = b + READ_BE_UINT16(data); data += 2;
_shape_cur_y = iy = c + READ_BE_UINT16(data); data += 2;
x = READ_BE_UINT16(data); data += 2;
y = READ_BE_UINT16(data); data += 2;
_shape_cur_x16 = _shape_ix - ix;
_shape_cur_y16 = _shape_iy - iy;
_shape_ox = _shape_cur_x = _shape_ix + ((_shape_cur_x16 * _rotMat[0] + _shape_cur_y16 * _rotMat[1]) >> 8);
_shape_oy = _shape_cur_y = _shape_iy + ((_shape_cur_x16 * _rotMat[2] + _shape_cur_y16 * _rotMat[3]) >> 8);
pr[0].x = 0;
pr[0].y = -y;
pr[1].x = -x;
pr[1].y = y;
if (_shape_count == 0) {
f -= ((_shape_ix - _shape_cur_x) * zoom * 128 + 0x8000) >> 16;
g -= ((_shape_iy - _shape_cur_y) * zoom * 128 + 0x8000) >> 16;
pt->x = f;
pt->y = g;
++pt;
_shape_cur_x16 = f << 16;
_shape_cur_y16 = g << 16;
} else {
_shape_cur_x16 = _shape_prev_x16 + (_shape_cur_x - _shape_prev_x) * zoom * 128;
_shape_cur_y16 = _shape_prev_y16 + (_shape_cur_y - _shape_prev_y) * zoom * 128;
pt->x = (_shape_cur_x16 + 0x8000) >> 16;
pt->y = (_shape_cur_y16 + 0x8000) >> 16;
++pt;
}
for (int i = 0; i < 2; ++i) {
_shape_cur_x += pr[i].x;
_shape_cur_x16 += pr[i].x * zoom * 128;
pt->x = (_shape_cur_x16 + 0x8000) >> 16;
_shape_cur_y += pr[i].y;
_shape_cur_y16 += pr[i].y * zoom * 128;
pt->y = (_shape_cur_y16 + 0x8000) >> 16;
++pt;
}
_shape_prev_x = _shape_cur_x;
_shape_prev_y = _shape_cur_y;
_shape_prev_x16 = _shape_cur_x16;
_shape_prev_y16 = _shape_cur_y16;
Point po;
po.x = _vertices[0].x + d + _shape_ix;
po.y = _vertices[0].y + e + _shape_iy;
int16_t rx = _vertices[0].x - _vertices[2].x;
int16_t ry = _vertices[0].y - _vertices[1].y;
scalePoints(&po, 1, _vid->_layerScale);
_gfx.drawEllipse(_primitiveColor, _hasAlphaColor, &po, rx, ry);
} else if (numVertices == 0) {
Point pt;
pt.x = b + READ_BE_UINT16(data); data += 2;
pt.y = c + READ_BE_UINT16(data); data += 2;
_shape_cur_x16 = _shape_ix - pt.x;
_shape_cur_y16 = _shape_iy - pt.y;
_shape_cur_x = _shape_ix + ((_rotMat[0] * _shape_cur_x16 + _rotMat[1] * _shape_cur_y16) >> 8);
_shape_cur_y = _shape_iy + ((_rotMat[2] * _shape_cur_x16 + _rotMat[3] * _shape_cur_y16) >> 8);
if (_shape_count != 0) {
_shape_cur_x16 = _shape_prev_x16 + (_shape_cur_x - _shape_prev_x) * zoom * 128;
pt.x = ((_shape_cur_x16 + 0x8000) >> 16) + _shape_ix + d;
_shape_cur_y16 = _shape_prev_y16 + (_shape_cur_y - _shape_prev_y) * zoom * 128;
pt.y = ((_shape_cur_y16 + 0x8000) >> 16) + _shape_iy + e;
} else {
f -= (((_shape_ix - _shape_cur_x) * zoom * 128) + 0x8000) >> 16;
g -= (((_shape_iy - _shape_cur_y) * zoom * 128) + 0x8000) >> 16;
_shape_cur_x16 = f << 16;
_shape_cur_y16 = g << 16;
pt.x = f + _shape_ix + d;
pt.y = g + _shape_iy + e;
}
_shape_prev_x = _shape_cur_x;
_shape_prev_y = _shape_cur_y;
_shape_prev_x16 = _shape_cur_x16;
_shape_prev_y16 = _shape_cur_y16;
scalePoints(&pt, 1, _vid->_layerScale);
_gfx.drawPoint(_primitiveColor, &pt);
} else {
int16_t x, y, a, shape_last_x, shape_last_y;
Point tempVertices[40];
_shape_cur_x = b + READ_BE_UINT16(data); data += 2;
x = _shape_cur_x;
_shape_cur_y = c + READ_BE_UINT16(data); data += 2;
y = _shape_cur_y;
_shape_cur_x16 = _shape_ix - x;
_shape_cur_y16 = _shape_iy - y;
a = _shape_ix + ((_rotMat[0] * _shape_cur_x16 + _rotMat[1] * _shape_cur_y16) >> 8);
if (_shape_count == 0) {
_shape_ox = a;
}
_shape_cur_x = shape_last_x = a;
a = _shape_iy + ((_rotMat[2] * _shape_cur_x16 + _rotMat[3] * _shape_cur_y16) >> 8);
if (_shape_count == 0) {
_shape_oy = a;
}
_shape_cur_y = shape_last_y = a;
int16_t ix = x;
int16_t iy = y;
Point *pt2 = tempVertices;
int16_t sx = 0;
for (int16_t n = numVertices - 1; n >= 0; --n) {
x = (int8_t)(*data++) + sx;
y = (int8_t)(*data++);
if (y == 0 && n != 0 && *(data + 1) == 0) {
sx = x;
--numVertices;
} else {
ix += x;
iy += y;
sx = 0;
_shape_cur_x16 = _shape_ix - ix;
_shape_cur_y16 = _shape_iy - iy;
a = _shape_ix + ((_rotMat[0] * _shape_cur_x16 + _rotMat[1] * _shape_cur_y16) >> 8);
pt2->x = a - shape_last_x;
shape_last_x = a;
a = _shape_iy + ((_rotMat[2] * _shape_cur_x16 + _rotMat[3] * _shape_cur_y16) >> 8);
pt2->y = a - shape_last_y;
shape_last_y = a;
++pt2;
}
}
Point *pt = _vertices;
if (_shape_count == 0) {
ix = _shape_ox;
iy = _shape_oy;
f -= (((_shape_ix - ix) * zoom * 128) + 0x8000) >> 16;
g -= (((_shape_iy - iy) * zoom * 128) + 0x8000) >> 16;
pt->x = f + _shape_ix + d;
pt->y = g + _shape_iy + e;
++pt;
_shape_cur_x16 = f << 16;
_shape_cur_y16 = g << 16;
} else {
_shape_cur_x16 = _shape_prev_x16 + ((_shape_cur_x - _shape_prev_x) * zoom * 128);
pt->x = _shape_ix + d + ((_shape_cur_x16 + 0x8000) >> 16);
_shape_cur_y16 = _shape_prev_y16 + ((_shape_cur_y - _shape_prev_y) * zoom * 128);
pt->y = _shape_iy + e + ((_shape_cur_y16 + 0x8000) >> 16);
++pt;
}
for (int i = 0; i < numVertices; ++i) {
_shape_cur_x += tempVertices[i].x;
_shape_cur_x16 += tempVertices[i].x * zoom * 128;
pt->x = d + _shape_ix + ((_shape_cur_x16 + 0x8000) >> 16);
_shape_cur_y += tempVertices[i].y;
_shape_cur_y16 += tempVertices[i].y * zoom * 128;
pt->y = e + _shape_iy + ((_shape_cur_y16 + 0x8000) >> 16);
++pt;
}
_shape_prev_x = _shape_cur_x;
_shape_prev_y = _shape_cur_y;
_shape_prev_x16 = _shape_cur_x16;
_shape_prev_y16 = _shape_cur_y16;
scalePoints(_vertices, numVertices + 1, _vid->_layerScale);
_gfx.drawPolygon(_primitiveColor, _hasAlphaColor, _vertices, numVertices + 1);
}
}
void Cutscene::op_drawShapeScaleRotate() {
debug(DBG_CUT, "Cutscene::op_drawShapeScaleRotate()");
_shape_count = 0;
int16_t x = 0;
int16_t y = 0;
uint16_t shapeOffset = fetchNextCmdWord();
if (shapeOffset & 0x8000) {
x = fetchNextCmdWord();
y = fetchNextCmdWord();
}
uint16_t zoom = 512;
if (shapeOffset & 0x4000) {
zoom += fetchNextCmdWord();
}
_shape_ix = fetchNextCmdByte();
_shape_iy = fetchNextCmdByte();
uint16_t r1, r2, r3;
r1 = fetchNextCmdWord();
r2 = 180;
if (shapeOffset & 0x2000) {
r2 = fetchNextCmdWord();
}
r3 = 90;
if (shapeOffset & 0x1000) {
r3 = fetchNextCmdWord();
}
setRotationTransform(r1, r2, r3);
const uint8_t *shapeOffsetTable = _polPtr + READ_BE_UINT16(_polPtr + 0x02);
const uint8_t *shapeDataTable = _polPtr + READ_BE_UINT16(_polPtr + 0x0E);
const uint8_t *verticesOffsetTable = _polPtr + READ_BE_UINT16(_polPtr + 0x0A);
const uint8_t *verticesDataTable = _polPtr + READ_BE_UINT16(_polPtr + 0x12);
const uint8_t *shapeData = shapeDataTable + READ_BE_UINT16(shapeOffsetTable + (shapeOffset & 0x7FF) * 2);
uint16_t primitiveCount = READ_BE_UINT16(shapeData); shapeData += 2;
while (primitiveCount--) {
uint16_t verticesOffset = READ_BE_UINT16(shapeData); shapeData += 2;
const uint8_t *p = verticesDataTable + READ_BE_UINT16(verticesOffsetTable + (verticesOffset & 0x3FFF) * 2);
int16_t dx = 0;
int16_t dy = 0;
if (verticesOffset & 0x8000) {
dx = READ_BE_UINT16(shapeData); shapeData += 2;
dy = READ_BE_UINT16(shapeData); shapeData += 2;
}
_hasAlphaColor = (verticesOffset & 0x4000) != 0;
uint8_t color = *shapeData++;
if (_clearScreen == 0) {
color += 0x10; // 2nd pal buf
}
_primitiveColor = 0xC0 + color;
drawShapeScaleRotate(p, zoom, dx, dy, x, y, 0, 0);
++_shape_count;
}
}
void Cutscene::op_drawCreditsText() {
debug(DBG_CUT, "Cutscene::op_drawCreditsText()");
_creditsSlowText = 0xFF;
if (_textCurBuf == _textBuf) {
++_creditsTextCounter;
}
memcpy(_page1, _page0, _vid->_layerSize);
_frameDelay = 10;
setPalette();
}
void Cutscene::op_drawStringAtPos() {
debug(DBG_CUT, "Cutscene::op_drawStringAtPos()");
uint16_t strId = fetchNextCmdWord();
if (strId != 0xFFFF) {
int16_t x = (int8_t)fetchNextCmdByte() * 8;
int16_t y = (int8_t)fetchNextCmdByte() * 8;
if (!_creditsSequence) {
const uint8_t *str = _res->getCineString(strId & 0xFFF);
if (str) {
uint8_t color = 0xD0 + (strId >> 0xC);
drawText(x, y, str, color, _page1, kTextJustifyCenter);
}
// 'voyage' - cutscene script redraws the string to refresh the screen
if (_id == 0x34 && (strId & 0xFFF) == 0x45) {
if ((_cmdPtr - _cmdPtrBak) == 0xA) {
_stub->copyRect(0, 0, _vid->_w, _vid->_h, _page1, _vid->_w);
_stub->updateScreen(0);
} else {
_stub->sleep(15);
}
}
}
}
}
void Cutscene::op_handleKeys() {
debug(DBG_CUT, "Cutscene::op_handleKeys()");
while (1) {
uint8_t key_mask = fetchNextCmdByte();
if (key_mask == 0xFF) {
return;
}
bool b = true;
switch (key_mask) {
case 1:
b = (_stub->_pi.dirMask & PlayerInput::DIR_UP) != 0;
break;
case 2:
b = (_stub->_pi.dirMask & PlayerInput::DIR_DOWN) != 0;
break;
case 4:
b = (_stub->_pi.dirMask & PlayerInput::DIR_LEFT) != 0;
break;
case 8:
b = (_stub->_pi.dirMask & PlayerInput::DIR_RIGHT) != 0;
break;
case 0x80:
b = _stub->_pi.space || _stub->_pi.enter || _stub->_pi.shift;
break;
}
if (b) {
break;
}
_cmdPtr += 2;
}
_stub->_pi.dirMask = 0;
_stub->_pi.enter = false;
_stub->_pi.space = false;
_stub->_pi.shift = false;
int16_t n = fetchNextCmdWord();
if (n < 0) {
n = -n - 1;
if (_varKey == 0) {
_stop = true;
return;
}
if (_varKey != n) {
_cmdPtr = _cmdPtrBak;
return;
}
_varKey = 0;
--n;
_cmdPtr = getCommandData();
n = READ_BE_UINT16(_cmdPtr + n * 2 + 2);
}
_cmdPtr = _cmdPtrBak = getCommandData() + n + _baseOffset;
}
uint8_t Cutscene::fetchNextCmdByte() {
return *_cmdPtr++;
}
uint16_t Cutscene::fetchNextCmdWord() {
uint16_t i = READ_BE_UINT16(_cmdPtr);
_cmdPtr += 2;
return i;
}
void Cutscene::mainLoop(uint16_t num) {
_frameDelay = 5;
_tstamp = _stub->getTimeStamp();
Color c;
c.r = c.g = c.b = 0;
for (int i = 0; i < 0x20; ++i) {
_stub->setPaletteEntry(0xC0 + i, &c);
}
_newPal = false;
_hasAlphaColor = false;
const uint8_t *p = getCommandData();
int offset = 0;
if (num != 0) {
offset = READ_BE_UINT16(p + 2 + num * 2);
}
_baseOffset = (READ_BE_UINT16(p) + 1) * 2;
_varKey = 0;
_cmdPtr = _cmdPtrBak = p + _baseOffset + offset;
_polPtr = getPolygonData();
debug(DBG_CUT, "_baseOffset = %d offset = %d", _baseOffset, offset);
while (!_stub->_pi.quit && !_interrupted && !_stop) {
uint8_t op = fetchNextCmdByte();
debug(DBG_CUT, "Cutscene::play() opcode = 0x%X (%d)", op, (op >> 2));
if (op & 0x80) {
break;
}
op >>= 2;
if (op >= NUM_OPCODES) {
error("Invalid cutscene opcode = 0x%02X", op);
}
(this->*_opcodeTable[op])();
_stub->processEvents();
if (_stub->_pi.backspace) {
_stub->_pi.backspace = false;
_interrupted = true;
}
}
}