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REminiscence/cutscene.cpp

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/* REminiscence - Flashback interpreter
* Copyright (C) 2005-2015 Gregory Montoir
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "resource.h"
#include "systemstub.h"
#include "video.h"
#include "cutscene.h"
Cutscene::Cutscene(Resource *res, SystemStub *stub, Video *vid)
: _res(res), _stub(stub), _vid(vid) {
memset(_palBuf, 0, sizeof(_palBuf));
}
void Cutscene::sync() {
// XXX input handling
if (!(_stub->_pi.dbgMask & PlayerInput::DF_FASTMODE)) {
int32_t delay = _stub->getTimeStamp() - _tstamp;
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 = (uint8_t *)_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) {
uint16_t color = READ_BE_UINT16(p); p += 2;
uint8_t t = (color == 0) ? 0 : 3;
Color c;
c.r = ((color & 0xF00) >> 6) | t;
c.g = ((color & 0x0F0) >> 2) | t;
c.b = ((color & 0x00F) << 2) | t;
_stub->setPaletteEntry(0xC0 + i, &c);
}
_newPal = false;
}
}
void Cutscene::setPalette() {
sync();
updatePalette();
SWAP(_page0, _page1);
_stub->copyRect(0, 0, Video::GAMESCREEN_W, Video::GAMESCREEN_H, _page0, 256);
_stub->updateScreen(0);
}
void Cutscene::initRotationData(uint16_t a, uint16_t b, uint16_t c) {
int16_t n1 = _sinTable[a];
int16_t n2 = _cosTable[a];
int16_t n3 = _sinTable[c];
int16_t n4 = _cosTable[c];
int16_t n5 = _sinTable[b];
int16_t n6 = _cosTable[b];
_rotData[0] = ((n2 * n6) >> 8) - ((((n4 * n1) >> 8) * n5) >> 8);
_rotData[1] = ((n1 * n6) >> 8) + ((((n4 * n2) >> 8) * n5) >> 8);
_rotData[2] = ( n3 * n1) >> 8;
_rotData[3] = (-n3 * n2) >> 8;
}
uint16_t Cutscene::findTextSeparators(const uint8_t *p) {
uint8_t *q = _textSep;
uint16_t ret = 0;
uint16_t pos = 0;
for (; *p != 0xA; ++p) {
if (*p == 0x7C) {
*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, uint8_t n) {
debug(DBG_CUT, "Cutscene::drawText(x=%d, y=%d, c=%d)", x, y, color);
uint16_t last_sep = 0;
if (n != 0) {
last_sep = findTextSeparators(p);
if (n != 2) {
last_sep = 30;
}
}
const uint8_t *sep = _textSep;
y += 50;
x += 8;
int16_t yy = y;
int16_t xx = x;
if (n != 0) {
xx += ((last_sep - *sep++) & 0xFE) * 4;
}
for (; *p != 0xA; ++p) {
if (*p == 0x7C) {
yy += 8;
xx = x;
if (n != 0) {
xx += ((last_sep - *sep++) & 0xFE) * 4;
}
} else if (*p == 0x20) {
xx += 8;
} else {
uint8_t *dst_char = page + 256 * yy + xx;
const uint8_t *src = _res->_fnt + (*p - 32) * 32;
for (int h = 0; h < 8; ++h) {
for (int w = 0; w < 4; ++w) {
uint8_t c1 = (*src & 0xF0) >> 4;
uint8_t c2 = (*src & 0x0F) >> 0;
++src;
if (c1 != 0) {
*dst_char = (c1 == 0xF) ? color : (0xE0 + c1);
}
++dst_char;
if (c2 != 0) {
*dst_char = (c2 == 0xF) ? color : (0xE0 + c2);
}
++dst_char;
}
dst_char += 256 - 8;
}
xx += 8;
}
}
}
void Cutscene::swapLayers() {
if (_clearScreen == 0) {
memcpy(_page1, _pageC, Video::GAMESCREEN_W * Video::GAMESCREEN_H);
} else {
memset(_page1, 0xC0, Video::GAMESCREEN_W * Video::GAMESCREEN_H);
}
}
void Cutscene::drawCreditsText() {
if (_creditsSequence) {
if (_textUnk2 != 0) {
if (_varText == 0) {
_textUnk2 = 0;
} else {
return;
}
}
if (_creditsTextCounter <= 0) { // XXX
uint8_t code = *_textCurPtr;
if (code == 0xFF) {
_textBuf[0] = 0xA;
// _cut_status = 0;
} else if (code == 0xFE) {
++_textCurPtr;
code = *_textCurPtr++;
_creditsTextCounter = code;
} else if (code == 1) {
++_textCurPtr;
_creditsTextPosX = *_textCurPtr++;
_creditsTextPosY = *_textCurPtr++;
} else if (code == 0) {
_textCurBuf = _textBuf;
_textBuf[0] = 0xA;
++_textCurPtr;
if (_varText != 0) {
_textUnk2 = 0xFF;
}
} else {
*_textCurBuf++ = code;
_textCurBuf = _textCurBuf;
*_textCurBuf = 0xA;
++_textCurPtr;
}
} else {
_creditsTextCounter -= 10; // XXX adjust
}
drawText((_creditsTextPosX - 1) * 8, _creditsTextPosY * 8, _textBuf, 0xEF, _page1, 0);
}
}
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;
initRotationData(0, 180, 90);
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++;
drawShapeScaleRotate(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();
_varText = 0;
}
void Cutscene::op_refreshScreen() {
debug(DBG_CUT, "Cutscene::op_refreshScreen()");
_clearScreen = fetchNextCmdByte();
if (_clearScreen != 0) {
swapLayers();
_varText = 0;
}
}
void Cutscene::op_waitForSync() {
debug(DBG_CUT, "Cutscene::op_waitForSync()");
if (_creditsSequence) {
uint16_t n = fetchNextCmdByte() * 2;
do {
_varText = 0xFF;
_frameDelay = 3;
if (_textBuf == _textCurBuf) {
_creditsTextCounter = 20;
}
memcpy(_page1, _page0, Video::GAMESCREEN_W * Video::GAMESCREEN_H);
drawCreditsText();
setPalette();
} while (--n);
swapLayers();
_varText = 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._layer = _page1;
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;
_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;
_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;
}
}
_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, Video::GAMESCREEN_W * Video::GAMESCREEN_H);
}
}
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_drawStringAtBottom() {
debug(DBG_CUT, "Cutscene::op_drawStringAtBottom()");
uint16_t strId = fetchNextCmdWord();
if (!_creditsSequence) {
memset(_pageC + 179 * 256, 0xC0, 45 * 256);
memset(_page1 + 179 * 256, 0xC0, 45 * 256);
memset(_page0 + 179 * 256, 0xC0, 45 * 256);
if (strId != 0xFFFF) {
const uint8_t *str = _res->getCineString(strId);
if (str) {
drawText(0, 129, str, 0xEF, _page1, 1);
drawText(0, 129, str, 0xEF, _pageC, 1);
}
}
}
}
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();
_varText = 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._layer = _page1;
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;
_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;
_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;
_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._layer = _page1;
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 * _rotData[0] + _shape_cur_y16 * _rotData[1]) >> 8);
_shape_oy = _shape_cur_y = _shape_iy + ((_shape_cur_x16 * _rotData[2] + _shape_cur_y16 * _rotData[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;
_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 + ((_rotData[0] * _shape_cur_x16 + _rotData[1] * _shape_cur_y16) >> 8);
_shape_cur_y = _shape_iy + ((_rotData[2] * _shape_cur_x16 + _rotData[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;
_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 + ((_rotData[0] * _shape_cur_x16 + _rotData[1] * _shape_cur_y16) >> 8);
if (_shape_count == 0) {
_shape_ox = a;
}
_shape_cur_x = shape_last_x = a;
a = _shape_iy + ((_rotData[2] * _shape_cur_x16 + _rotData[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 + ((_rotData[0] * _shape_cur_x16 + _rotData[1] * _shape_cur_y16) >> 8);
pt2->x = a - shape_last_x;
shape_last_x = a;
a = _shape_iy + ((_rotData[2] * _shape_cur_x16 + _rotData[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;
_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();
}
initRotationData(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()");
_varText = 0xFF;
if (_textCurBuf == _textBuf) {
++_creditsTextCounter;
}
memcpy(_page1, _page0, Video::GAMESCREEN_W * Video::GAMESCREEN_H);
_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, 2);
}
// workaround for buggy cutscene script
if (_id == 0x34 && (strId & 0xFFF) == 0x45) {
if ((_cmdPtr - _cmdPtrBak) == 0xA) {
_stub->copyRect(0, 0, Video::GAMESCREEN_W, Video::GAMESCREEN_H, _page1, 256);
_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 = _res->_cmd;
n = READ_BE_UINT16(_cmdPtr + n * 2 + 2);
}
_cmdPtr = _cmdPtrBak = _res->_cmd + n + _startOffset;
}
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 offset) {
_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;
uint8_t *p = _res->_cmd;
if (offset != 0) {
offset = READ_BE_UINT16(p + (offset + 1) * 2);
}
_startOffset = (READ_BE_UINT16(p) + 1) * 2;
_varKey = 0;
_cmdPtr = _cmdPtrBak = p + _startOffset + offset;
_polPtr = _res->_pol;
debug(DBG_CUT, "_startOffset = %d offset = %d", _startOffset, 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;
}
}
}
void Cutscene::load(uint16_t cutName) {
assert(cutName != 0xFFFF);
const char *name = _namesTable[cutName & 0xFF];
switch (_res->_type) {
case kResourceTypeAmiga:
if (strncmp(name, "INTRO", 5) == 0) {
name = "INTRO";
}
_res->load(name, Resource::OT_CMP);
break;
case kResourceTypePC:
_res->load(name, Resource::OT_CMD);
_res->load(name, Resource::OT_POL);
_res->load_CINE();
break;
}
}
void Cutscene::prepare() {
_page0 = _vid->_frontLayer;
_page1 = _vid->_tempLayer;
_pageC = _vid->_tempLayer2;
_stub->_pi.dirMask = 0;
_stub->_pi.enter = false;
_stub->_pi.space = false;
_stub->_pi.shift = false;
_interrupted = false;
_stop = false;
_gfx.setClippingRect(8, 50, 240, 128);
}
void Cutscene::startCredits() {
_textCurPtr = _creditsData;
_textBuf[0] = 0xA;
_textCurBuf = _textBuf;
_creditsSequence = true;
// _cut_status = 1;
_varText = 0;
_textUnk2 = 0;
_creditsTextCounter = 0;
_interrupted = false;
const uint16_t *cut_seq = _creditsCutSeq;
while (!_stub->_pi.quit && !_interrupted) {
uint16_t cut_id = *cut_seq++;
if (cut_id == 0xFFFF) {
break;
}
prepare();
uint16_t cutName = _offsetsTable[cut_id * 2 + 0];
uint16_t cutOff = _offsetsTable[cut_id * 2 + 1];
load(cutName);
mainLoop(cutOff);
}
_creditsSequence = false;
}
void Cutscene::play() {
if (_id != 0xFFFF) {
_textCurBuf = NULL;
debug(DBG_CUT, "Cutscene::play() _id=0x%X", _id);
_creditsSequence = false;
prepare();
uint16_t cutName = _offsetsTable[_id * 2 + 0];
uint16_t cutOff = _offsetsTable[_id * 2 + 1];
if (cutName != 0xFFFF) {
load(cutName);
mainLoop(cutOff);
}
_vid->fullRefresh();
if (_id != 0x3D) {
_id = 0xFFFF;
}
}
}
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