mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 01:39:57 +00:00
540 lines
15 KiB
C++
540 lines
15 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#include "made/screenfx.h"
|
|
#include "made/screen.h"
|
|
|
|
#include "graphics/surface.h"
|
|
|
|
namespace Made {
|
|
|
|
const byte ScreenEffects::vfxOffsTable[64] = {
|
|
5, 2, 6, 1, 4, 7, 3, 0,
|
|
7, 4, 0, 3, 6, 1, 5, 2,
|
|
2, 5, 1, 6, 3, 0, 4, 7,
|
|
0, 3, 7, 4, 1, 6, 2, 5,
|
|
4, 0, 2, 5, 7, 3, 1, 6,
|
|
1, 6, 4, 0, 2, 5, 7, 3,
|
|
6, 1, 3, 7, 5, 2, 0, 4,
|
|
3, 7, 5, 2, 0, 4, 6, 1
|
|
};
|
|
|
|
const byte ScreenEffects::vfxOffsIndexTable[8] = {
|
|
6, 7, 2, 3, 4, 5, 0, 1
|
|
};
|
|
|
|
|
|
ScreenEffects::ScreenEffects(Screen *screen) : _screen(screen) {
|
|
vfxOffsTablePtr = &vfxOffsTable[6 * 8];
|
|
vfxX1 = 0;
|
|
vfxY1 = 0;
|
|
vfxWidth = 0;
|
|
vfxHeight = 0;
|
|
|
|
_fxPalette = new byte[768];
|
|
|
|
}
|
|
|
|
ScreenEffects::~ScreenEffects() {
|
|
delete[] _fxPalette;
|
|
}
|
|
|
|
void ScreenEffects::run(int16 effectNum, Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
// TODO: Put effect functions into an array
|
|
|
|
switch (effectNum) {
|
|
|
|
case 0: // No effect
|
|
vfx00(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 1:
|
|
vfx01(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 2:
|
|
vfx02(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 3:
|
|
vfx03(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 4:
|
|
vfx04(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 5:
|
|
vfx05(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 6: // "Curtain open" effect
|
|
vfx06(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 7: // "Curtain close" effect
|
|
vfx07(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 8:
|
|
vfx08(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 9: // "Checkerboard" effect
|
|
vfx09(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 10: // "Screen wipe in", left to right
|
|
vfx10(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 11: // "Screen wipe in", right to left
|
|
vfx11(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 12: // "Screen wipe in", top to bottom
|
|
vfx12(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 13: // "Screen wipe in", bottom to top
|
|
vfx13(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 14: // "Screen open" effect
|
|
vfx14(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 15:
|
|
vfx15(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 16:
|
|
vfx16(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 17: // Palette fadeout/fadein
|
|
vfx17(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 18:
|
|
vfx18(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 19:
|
|
vfx19(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
case 20:
|
|
vfx20(surface, palette, newPalette, colorCount);
|
|
break;
|
|
|
|
default:
|
|
vfx00(surface, palette, newPalette, colorCount);
|
|
warning("Unimplemented visual effect %d", effectNum);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void ScreenEffects::flash(int flashCount, byte *palette, int colorCount) {
|
|
int palSize = colorCount * 3;
|
|
if (flashCount < 1)
|
|
flashCount = 1;
|
|
for (int i = 0; i < palSize; i++)
|
|
_fxPalette[i] = CLIP<byte>(255 - palette[i], 0, 255);
|
|
while (flashCount--) {
|
|
_screen->setRGBPalette(_fxPalette, 0, colorCount);
|
|
_screen->updateScreenAndWait(20);
|
|
_screen->setRGBPalette(palette, 0, colorCount);
|
|
_screen->updateScreenAndWait(20);
|
|
}
|
|
}
|
|
|
|
void ScreenEffects::setPalette(byte *palette) {
|
|
if (!_screen->isPaletteLocked()) {
|
|
_screen->setRGBPalette(palette, 0, 256);
|
|
}
|
|
}
|
|
|
|
void ScreenEffects::setBlendedPalette(byte *palette, byte *newPalette, int colorCount, int16 value, int16 maxValue) {
|
|
if (!_screen->isPaletteLocked()) {
|
|
int32 mulValue = (value * 64) / maxValue;
|
|
for (int i = 0; i < colorCount * 3; i++)
|
|
_fxPalette[i] = CLIP<int32>(newPalette[i] - (newPalette[i] - palette[i]) * mulValue / 64, 0, 255);
|
|
_screen->setRGBPalette(_fxPalette, 0, 256);
|
|
}
|
|
}
|
|
|
|
void ScreenEffects::startBlendedPalette(byte *palette, byte *newPalette, int colorCount, int16 maxValue) {
|
|
_blendedPaletteStatus._palette = palette;
|
|
_blendedPaletteStatus._newPalette = newPalette;
|
|
_blendedPaletteStatus._colorCount = colorCount;
|
|
_blendedPaletteStatus._maxValue = maxValue;
|
|
_blendedPaletteStatus._incr = maxValue / 10; // ~10 palette updates
|
|
_blendedPaletteStatus._value = 0;
|
|
// Don't do anything if the two palettes are identical
|
|
_blendedPaletteStatus._active = memcmp(palette, newPalette, colorCount * 3) != 0;
|
|
}
|
|
|
|
void ScreenEffects::stepBlendedPalette() {
|
|
if (_blendedPaletteStatus._active && _blendedPaletteStatus._value < _blendedPaletteStatus._maxValue) {
|
|
setBlendedPalette(_blendedPaletteStatus._palette, _blendedPaletteStatus._newPalette,
|
|
_blendedPaletteStatus._colorCount, _blendedPaletteStatus._value, _blendedPaletteStatus._maxValue);
|
|
if (_blendedPaletteStatus._value == _blendedPaletteStatus._maxValue)
|
|
_blendedPaletteStatus._value++;
|
|
else
|
|
_blendedPaletteStatus._value = MIN<int16>(_blendedPaletteStatus._value + _blendedPaletteStatus._incr, _blendedPaletteStatus._maxValue);
|
|
}
|
|
}
|
|
|
|
void ScreenEffects::copyFxRect(Graphics::Surface *surface, int16 x1, int16 y1, int16 x2, int16 y2) {
|
|
|
|
// TODO: Clean up
|
|
|
|
byte *src, *dst;
|
|
|
|
x1 = CLIP<int16>(x1, 0, 320);
|
|
y1 = CLIP<int16>(y1, 0, 200);
|
|
x2 = CLIP<int16>(x2, 0, 320);
|
|
y2 = CLIP<int16>(y2, 0, 200);
|
|
|
|
x2 -= x1;
|
|
y2 -= y1;
|
|
vfxX1 = x1 & 0x0E;
|
|
x1 += 16;
|
|
x1 = x1 & 0xFFF0;
|
|
x2 += vfxX1;
|
|
x2 -= 15;
|
|
if (x2 < 0)
|
|
x2 = 0;
|
|
vfxWidth = x2 & 0x0E;
|
|
x2 = x2 & 0xFFF0;
|
|
|
|
vfxY1 = y1 & 7;
|
|
|
|
byte *source = (byte *)surface->getBasePtr(x1, y1);
|
|
|
|
Graphics::Surface *vgaScreen = _screen->lockScreen();
|
|
byte *dest = (byte *)vgaScreen->getBasePtr(x1, y1);
|
|
|
|
int16 addX = x2 / 16;
|
|
|
|
while (y2-- > 0) {
|
|
|
|
int16 addVal = vfxOffsTablePtr[vfxY1] * 2;
|
|
int16 w = 0;
|
|
vfxY1 = (vfxY1 + 1) & 7;
|
|
|
|
src = source + addVal;
|
|
dst = dest + addVal;
|
|
|
|
if (addVal < vfxX1) {
|
|
if (addVal < vfxWidth)
|
|
w = 1;
|
|
else
|
|
w = 0;
|
|
} else {
|
|
src -= 16;
|
|
dst -= 16;
|
|
if (addVal < vfxWidth)
|
|
w = 2;
|
|
else
|
|
w = 1;
|
|
}
|
|
|
|
w += addX;
|
|
|
|
while (w-- > 0) {
|
|
*dst++ = *src++;
|
|
*dst++ = *src++;
|
|
src += 14;
|
|
dst += 14;
|
|
}
|
|
|
|
source += 320;
|
|
dest += 320;
|
|
|
|
}
|
|
|
|
vfxHeight = (vfxHeight + 1) & 7;
|
|
vfxOffsTablePtr = &vfxOffsTable[vfxOffsIndexTable[vfxHeight] * 8];
|
|
|
|
_screen->unlockScreen();
|
|
|
|
}
|
|
|
|
// No effect
|
|
void ScreenEffects::vfx00(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
setPalette(palette);
|
|
_screen->showWorkScreen();
|
|
// Workaround for The Manhole, else animations will be shown too fast
|
|
_screen->updateScreenAndWait(100);
|
|
}
|
|
|
|
void ScreenEffects::vfx01(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 312);
|
|
for (int x = 0; x < 320; x += 8) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(x, 0), surface->pitch, x, 0, 8, 200);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
void ScreenEffects::vfx02(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 312);
|
|
for (int x = 312; x >= 0; x -= 8) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(x, 0), surface->pitch, x, 0, 8, 200);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
void ScreenEffects::vfx03(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 190);
|
|
for (int y = 0; y < 200; y += 10) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(0, y), surface->pitch, 0, y, 320, 10);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
void ScreenEffects::vfx04(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 190);
|
|
for (int y = 190; y >= 0; y -= 10) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(0, y), surface->pitch, 0, y, 320, 10);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
void ScreenEffects::vfx05(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 90);
|
|
for (int y = 0; y < 100; y += 10) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(0, y + 100), surface->pitch, 0, y + 100, 320, 10);
|
|
_screen->copyRectToScreen(surface->getBasePtr(0, 90 - y), surface->pitch, 0, 90 - y, 320, 10);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Curtain open" effect
|
|
void ScreenEffects::vfx06(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 152);
|
|
for (int x = 0; x < 160; x += 8) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(x + 160, 0), surface->pitch, x + 160, 0, 8, 200);
|
|
_screen->copyRectToScreen(surface->getBasePtr(152 - x, 0), surface->pitch, 152 - x, 0, 8, 200);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Curtain close" effect
|
|
void ScreenEffects::vfx07(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 152);
|
|
for (int x = 152; x >= 0; x -= 8) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(x + 160, 0), surface->pitch, x + 160, 0, 8, 200);
|
|
_screen->copyRectToScreen(surface->getBasePtr(152 - x, 0), surface->pitch, 152 - x, 0, 8, 200);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Screen slide in" right to left
|
|
void ScreenEffects::vfx08(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
for (int x = 8; x <= 320; x += 8) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(0, 0), surface->pitch, 320 - x, 0, x, 200);
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Checkerboard" effect
|
|
void ScreenEffects::vfx09(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
for (int i = 0; i < 8; i++) {
|
|
copyFxRect(surface, 0, 0, 320, 200);
|
|
// We set the final palette here, once
|
|
setBlendedPalette(palette, newPalette, colorCount, i * 4 + 3, 32);
|
|
// The original behavior follows - the end result is the same, though
|
|
//for (int j = 0; j < 4; j++)
|
|
// setBlendedPalette(palette, newPalette, colorCount, i * 4 + j, 32);
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Screen wipe in", left to right
|
|
void ScreenEffects::vfx10(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 368);
|
|
for (int x = -56; x < 312; x += 8) {
|
|
copyFxRect(surface, x, 0, x + 64, 200);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Screen wipe in", right to left
|
|
void ScreenEffects::vfx11(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 368);
|
|
for (int x = 312; x > -56; x -= 8) {
|
|
copyFxRect(surface, x, 0, x + 64, 200);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Screen wipe in", top to bottom
|
|
void ScreenEffects::vfx12(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 260);
|
|
for (int y = -70; y < 312; y += 10) {
|
|
copyFxRect(surface, 0, y, 320, y + 80);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Screen wipe in", bottom to top
|
|
void ScreenEffects::vfx13(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
startBlendedPalette(palette, newPalette, colorCount, 260);
|
|
for (int y = 312; y > -70; y -= 10) {
|
|
copyFxRect(surface, 0, y, 320, y + 80);
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Screen open" effect
|
|
void ScreenEffects::vfx14(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
int16 x = 8, y = 5;
|
|
startBlendedPalette(palette, newPalette, colorCount, 27);
|
|
for (int i = 0; i < 27; i++) {
|
|
copyFxRect(surface, 160 - x, 100 - y, 160 + x, 100 + y);
|
|
x += 8;
|
|
y += 5;
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
void ScreenEffects::vfx15(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
int16 x = 8;
|
|
startBlendedPalette(palette, newPalette, colorCount, 27);
|
|
for (int i = 0; i < 27; i++) {
|
|
copyFxRect(surface, 160 - x, 0, 160 + x, 200);
|
|
x += 8;
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
void ScreenEffects::vfx16(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
int16 y = 8;
|
|
startBlendedPalette(palette, newPalette, colorCount, 27);
|
|
for (int i = 0; i < 27; i++) {
|
|
copyFxRect(surface, 0, 100 - y, 320, 100 + y);
|
|
y += 5;
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
setPalette(palette);
|
|
}
|
|
|
|
// Palette fadeout/fadein
|
|
void ScreenEffects::vfx17(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
|
|
byte tempPalette[768];
|
|
|
|
bool savedPaletteLock = _screen->isPaletteLocked();
|
|
_screen->setPaletteLock(false);
|
|
|
|
memcpy(tempPalette, palette, 768);
|
|
|
|
// Fade out to black
|
|
memset(palette, 0, 768);
|
|
startBlendedPalette(palette, newPalette, colorCount, 50);
|
|
for (int i = 0; i < 50; i++) {
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
_screen->setRGBPalette(palette, 0, colorCount);
|
|
|
|
memcpy(palette, tempPalette, 768);
|
|
|
|
_screen->showWorkScreen();
|
|
|
|
// Fade from black to palette
|
|
memset(newPalette, 0, 768);
|
|
startBlendedPalette(palette, newPalette, colorCount, 50);
|
|
for (int i = 0; i < 50; i++) {
|
|
stepBlendedPalette();
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
_screen->setRGBPalette(palette, 0, colorCount);
|
|
|
|
_screen->setPaletteLock(savedPaletteLock);
|
|
|
|
}
|
|
|
|
// "Screen slide in" left to right
|
|
void ScreenEffects::vfx18(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
for (int x = 8; x <= 320; x += 8) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(320 - x, 0), surface->pitch, 0, 0, x, 200);
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Screen slide in" top to bottom
|
|
void ScreenEffects::vfx19(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
for (int y = 4; y <= 200; y += 4) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(0, 200 - y), surface->pitch, 0, 0, 320, y);
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
|
|
setPalette(palette);
|
|
}
|
|
|
|
// "Screen slide in" bottom to top
|
|
void ScreenEffects::vfx20(Graphics::Surface *surface, byte *palette, byte *newPalette, int colorCount) {
|
|
for (int y = 4; y <= 200; y += 4) {
|
|
_screen->copyRectToScreen(surface->getBasePtr(0, 0), surface->pitch, 0, 200 - y, 320, y);
|
|
_screen->updateScreenAndWait(25);
|
|
}
|
|
|
|
setPalette(palette);
|
|
}
|
|
|
|
} // End of namespace Made
|