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/* 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 "graphics/surface.h"
#include "graphics/transparent_surface.h"
#include "sludge/allfiles.h"
#include "sludge/event.h"
#include "sludge/fileset.h"
#include "sludge/graphics.h"
#include "sludge/people.h"
#include "sludge/sprites.h"
#include "sludge/moreio.h"
#include "sludge/newfatal.h"
#include "sludge/backdrop.h"
#include "sludge/sludger.h"
#include "sludge/zbuffer.h"
#include "sludge/imgloader.h"
#include "sludge/sludge.h"
namespace Sludge {
void GraphicsManager::forgetSpriteBank(SpriteBank &forgetme) {
if (forgetme.myPalette.pal) {
delete[] forgetme.myPalette.pal;
forgetme.myPalette.pal = NULL;
delete[] forgetme.myPalette.r;
forgetme.myPalette.r = NULL;
delete[] forgetme.myPalette.g;
forgetme.myPalette.g = NULL;
delete[] forgetme.myPalette.b;
forgetme.myPalette.b = NULL;
}
for (int i = 0; i < forgetme.total; ++i) {
forgetme.sprites[i].surface.free();
forgetme.sprites[i].burnSurface.free();
}
delete []forgetme.sprites;
forgetme.sprites = NULL;
// TODO: also remove sprite bank from allLoadedBanks
// And add a function call for this function to the scripting language
}
bool GraphicsManager::reserveSpritePal(SpritePalette &sP, int n) {
if (sP.pal) {
delete[] sP.pal;
delete[] sP.r;
delete[] sP.g;
delete[] sP.b;
}
sP.pal = new uint16[n];
if (!checkNew(sP.pal))
return false;
sP.r = new byte[n];
if (!checkNew(sP.r))
return false;
sP.g = new byte[n];
if (!checkNew(sP.g))
return false;
sP.b = new byte[n];
if (!checkNew(sP.b))
return false;
sP.total = n;
return (bool)(sP.pal != NULL) && (sP.r != NULL) && (sP.g != NULL) && (sP.b != NULL);
}
bool GraphicsManager::loadSpriteBank(int fileNum, SpriteBank &loadhere, bool isFont) {
int total, spriteBankVersion = 0, howmany = 0, startIndex = 0;
byte *data;
setResourceForFatal(fileNum);
if (!g_sludge->_resMan->openFileFromNum(fileNum))
return fatal("Can't open sprite bank / font");
loadhere.isFont = isFont;
Common::SeekableReadStream *readStream = g_sludge->_resMan->getData();
total = readStream->readUint16BE();
if (!total) {
spriteBankVersion = readStream->readByte();
if (spriteBankVersion == 1) {
total = 0;
} else {
total = readStream->readUint16BE();
}
}
if (total <= 0)
return fatal("No sprites in bank or invalid sprite bank file");
if (spriteBankVersion > 3)
return fatal("Unsupported sprite bank file format");
loadhere.total = total;
loadhere.sprites = new Sprite[total];
if (!checkNew(loadhere.sprites))
return false;
byte **spriteData = new byte *[total];
if (!checkNew(spriteData))
return false;
// version 1, 2, read how many now
if (spriteBankVersion && spriteBankVersion < 3) {
howmany = readStream->readByte();
startIndex = 1;
}
// version 3, sprite is png
if (spriteBankVersion == 3) {
debug(kSludgeDebugGraphics, "png sprite");
for (int i = 0; i < total; i++) {
loadhere.sprites[i].xhot = readStream->readSint16LE();
loadhere.sprites[i].yhot = readStream->readSint16LE();
if (!ImgLoader::loadPNGImage(readStream, &loadhere.sprites[i].surface, false)) {
return fatal("fail to read png sprite");
}
}
g_sludge->_resMan->finishAccess();
setResourceForFatal(-1);
return true;
}
// version 0, 1, 2
for (int i = 0; i < total; i++) {
uint picwidth, picheight;
// load sprite width, height, relative position
if (spriteBankVersion == 2) {
picwidth = readStream->readUint16BE();
picheight = readStream->readUint16BE();
loadhere.sprites[i].xhot = readStream->readSint16LE();
loadhere.sprites[i].yhot = readStream->readSint16LE();
} else {
picwidth = (byte)readStream->readByte();
picheight = (byte)readStream->readByte();
loadhere.sprites[i].xhot = readStream->readByte();
loadhere.sprites[i].yhot = readStream->readByte();
}
// init data
loadhere.sprites[i].surface.create(picwidth, picheight, *g_sludge->getScreenPixelFormat());
if (isFont) {
loadhere.sprites[i].burnSurface.create(picwidth, picheight, *g_sludge->getScreenPixelFormat());
}
data = (byte *)new byte[picwidth * (picheight + 1)];
if (!checkNew(data))
return false;
memset(data + picwidth * picheight, 0, picwidth);
spriteData[i] = data;
// read color
if (spriteBankVersion == 2) { // RUN LENGTH COMPRESSED DATA
uint size = picwidth * picheight;
uint pip = 0;
while (pip < size) {
byte col = readStream->readByte();
int looper;
if (col > howmany) {
col -= howmany + 1;
looper = readStream->readByte() + 1;
} else
looper = 1;
while (looper--) {
data[pip++] = col;
}
}
} else { // RAW DATA
uint bytes_read = readStream->read(data, picwidth * picheight);
if (bytes_read != picwidth * picheight && readStream->err()) {
warning("Reading error in loadSpriteBank.");
}
}
}
// read howmany for version 0
if (!spriteBankVersion) {
howmany = readStream->readByte();
startIndex = readStream->readByte();
}
// Make palette for version 0, 1, 2
if (!reserveSpritePal(loadhere.myPalette, howmany + startIndex))
return false;
for (int i = 0; i < howmany; i++) {
loadhere.myPalette.r[i + startIndex] = (byte)readStream->readByte();
loadhere.myPalette.g[i + startIndex] = (byte)readStream->readByte();
loadhere.myPalette.b[i + startIndex] = (byte)readStream->readByte();
loadhere.myPalette.pal[i + startIndex] =
(uint16)g_sludge->getOrigPixelFormat()->RGBToColor(
loadhere.myPalette.r[i + startIndex],
loadhere.myPalette.g[i + startIndex],
loadhere.myPalette.b[i + startIndex]);
}
loadhere.myPalette.originalRed = loadhere.myPalette.originalGreen = loadhere.myPalette.originalBlue = 255;
// convert
for (int i = 0; i < total; i++) {
int fromhere = 0;
int transColour = -1;
int size = loadhere.sprites[i].surface.w * loadhere.sprites[i].surface.h;
while (fromhere < size) {
byte s = spriteData[i][fromhere++];
if (s) {
transColour = s;
break;
}
}
fromhere = 0;
for (int y = 0; y < loadhere.sprites[i].surface.h; y++) {
for (int x = 0; x < loadhere.sprites[i].surface.w; x++) {
byte *target = (byte *)loadhere.sprites[i].surface.getBasePtr(x, y);
byte s = spriteData[i][fromhere++];
if (s) {
target[0] = (byte)255;
target[1] = (byte)loadhere.myPalette.b[s];
target[2] = (byte)loadhere.myPalette.g[s];
target[3] = (byte)loadhere.myPalette.r[s];
transColour = s;
} else if (transColour >= 0) {
target[0] = (byte)0;
target[1] = (byte)loadhere.myPalette.b[transColour];
target[2] = (byte)loadhere.myPalette.g[transColour];
target[3] = (byte)loadhere.myPalette.r[transColour];
}
if (isFont) {
target = (byte *)loadhere.sprites[i].burnSurface.getBasePtr(x, y);
if (s)
target[0] = loadhere.myPalette.r[s];
target[1] = (byte)255;
target[2] = (byte)255;
target[3] = (byte)255;
}
}
}
delete[] spriteData[i];
}
delete[] spriteData;
spriteData = NULL;
g_sludge->_resMan->finishAccess();
setResourceForFatal(-1);
return true;
}
// pasteSpriteToBackDrop uses the colour specified by the setPasteColour (or setPasteColor)
void GraphicsManager::pasteSpriteToBackDrop(int x1, int y1, Sprite &single, const SpritePalette &fontPal) {
//TODO: shader: useLightTexture
x1 -= single.xhot;
y1 -= single.yhot;
Graphics::TransparentSurface tmp(single.surface, false);
tmp.blit(_backdropSurface, x1, y1, Graphics::FLIP_NONE, nullptr,
TS_RGB(fontPal.originalRed, fontPal.originalGreen, fontPal.originalBlue));
}
// burnSpriteToBackDrop adds text in the colour specified by setBurnColour
// using the differing brightness levels of the font to achieve an anti-aliasing effect.
void GraphicsManager::burnSpriteToBackDrop(int x1, int y1, Sprite &single, const SpritePalette &fontPal) {
//TODO: shader: useLightTexture
x1 -= single.xhot;
y1 -= single.yhot - 1;
Graphics::TransparentSurface tmp(single.surface, false);
tmp.blit(_backdropSurface, x1, y1, Graphics::FLIP_NONE, nullptr,
TS_RGB(_currentBurnR, _currentBurnG, _currentBurnB));
}
void GraphicsManager::fontSprite(bool flip, int x, int y, Sprite &single, const SpritePalette &fontPal) {
float x1 = (float)x - (float)single.xhot / _cameraZoom;
float y1 = (float)y - (float)single.yhot / _cameraZoom;
// Use Transparent surface to scale and blit
Graphics::TransparentSurface tmp(single.surface, false);
tmp.blit(_renderSurface, x1, y1, (flip ? Graphics::FLIP_H : Graphics::FLIP_NONE), 0, TS_RGB(fontPal.originalRed, fontPal.originalGreen, fontPal.originalBlue));
if (single.burnSurface.getPixels() != nullptr) {
Graphics::TransparentSurface tmp2(single.burnSurface, false);
tmp2.blit(_renderSurface, x1, y1, (flip ? Graphics::FLIP_H : Graphics::FLIP_NONE), 0, TS_RGB(fontPal.originalRed, fontPal.originalGreen, fontPal.originalBlue));
}
}
void GraphicsManager::fontSprite(int x, int y, Sprite &single, const SpritePalette &fontPal) {
fontSprite(false, x, y, single, fontPal);
}
void GraphicsManager::flipFontSprite(int x, int y, Sprite &single, const SpritePalette &fontPal) {
fontSprite(true, x, y, single, fontPal);
}
uint32 GraphicsManager::getDrawColor(OnScreenPerson *thisPerson) {
//TODO: how to mix secondary color
#if 0
if (thisPerson->colourmix) {
//glEnable(GL_COLOR_SUM); FIXME: replace line?
setSecondaryColor(curLight[0]*thisPerson->r * thisPerson->colourmix / 65025 / 255.f, curLight[1]*thisPerson->g * thisPerson->colourmix / 65025 / 255.f, curLight[2]*thisPerson->b * thisPerson->colourmix / 65025 / 255.f, 1.0f);
}
#endif
return TS_ARGB((uint8)(255 - thisPerson->transparency),
(uint8)(_curLight[0] * (255 - thisPerson->colourmix) / 255.f),
(uint8)(_curLight[1] * (255 - thisPerson->colourmix) / 255.f),
(uint8)(_curLight[2] * (255 - thisPerson->colourmix) / 255.f));
}
bool GraphicsManager::scaleSprite(Sprite &single, const SpritePalette &fontPal, OnScreenPerson *thisPerson, bool mirror) {
float x = thisPerson->x;
float y = thisPerson->y;
float scale = thisPerson->scale;
bool light = !(thisPerson->extra & EXTRA_NOLITE);
if (scale <= 0.05)
return false;
int diffX = (int)(((float)single.surface.w) * scale);
int diffY = (int)(((float)single.surface.h) * scale);
float x1, y1, x2, y2;
if (thisPerson->extra & EXTRA_FIXTOSCREEN) {
x = x / _cameraZoom;
y = y / _cameraZoom;
if (single.xhot < 0)
x1 = x - (int)((mirror ? (float)(single.surface.w - single.xhot) : (float)(single.xhot + 1)) * scale / _cameraZoom);
else
x1 = x - (int)((mirror ? (float)(single.surface.w - (single.xhot + 1)) : (float)single.xhot) * scale / _cameraZoom);
y1 = y - (int)((single.yhot - thisPerson->floaty) * scale / _cameraZoom);
x2 = x1 + (int)(diffX / _cameraZoom);
y2 = y1 + (int)(diffY / _cameraZoom);
} else {
x -= _cameraX;
y -= _cameraY;
if (single.xhot < 0)
x1 = x - (int)((mirror ? (float)(single.surface.w - single.xhot) : (float)(single.xhot + 1)) * scale);
else
x1 = x - (int)((mirror ? (float)(single.surface.w - (single.xhot + 1)) : (float)single.xhot) * scale);
y1 = y - (int)((single.yhot - thisPerson->floaty) * scale);
x2 = x1 + diffX;
y2 = y1 + diffY;
}
// set light map color
if (light && _lightMap.getPixels()) {
if (_lightMapMode == LIGHTMAPMODE_HOTSPOT) {
int lx = x + _cameraX;
int ly = y + _cameraY;
if (lx < 0 || ly < 0 || lx >= (int)_sceneWidth || ly >= (int)_sceneHeight) {
_curLight[0] = _curLight[1] = _curLight[2] = 255;
} else {
byte *target = (byte *)_lightMap.getBasePtr(lx, ly);
_curLight[0] = target[3];
_curLight[1] = target[2];
_curLight[2] = target[1];
}
} else if (_lightMapMode == LIGHTMAPMODE_PIXEL) {
_curLight[0] = _curLight[1] = _curLight[2] = 255;
}
} else {
_curLight[0] = _curLight[1] = _curLight[2] = 255;
}
// Use Transparent surface to scale and blit
uint32 spriteColor = getDrawColor(thisPerson);
if (!_zBuffer->numPanels) {
Graphics::TransparentSurface tmp(single.surface, false);
tmp.blit(_renderSurface, x1, y1, (mirror ? Graphics::FLIP_H : Graphics::FLIP_NONE), nullptr, spriteColor, diffX, diffY);
} else {
int d = ((!(thisPerson->extra & EXTRA_NOZB)) && _zBuffer->numPanels) ? y + _cameraY : _sceneHeight + 1;
addSpriteDepth(&single.surface, d, x1, y1, (mirror ? Graphics::FLIP_H : Graphics::FLIP_NONE), diffX, diffY, spriteColor);
}
// Are we pointing at the sprite?
if (_vm->_evtMan->mouseX() >= x1 && _vm->_evtMan->mouseX() <= x2
&& _vm->_evtMan->mouseY() >= y1 && _vm->_evtMan->mouseY() <= y2) {
if (thisPerson->extra & EXTRA_RECTANGULAR)
return true;
// check if point to non transparent part
int pixelx = (int)(single.surface.w * (_vm->_evtMan->mouseX() - x1) / (x2 - x1));
int pixely = (int)(single.surface.h * (_vm->_evtMan->mouseY() - y1) / (y2 - y1));
uint32 *colorPtr = (uint32 *)single.surface.getBasePtr(pixelx, pixely);
uint8 a, r, g, b;
g_sludge->getScreenPixelFormat()->colorToARGB(*colorPtr, a, r, g, b);
return a != 0;
}
return false;
}
void GraphicsManager::resetSpriteLayers(ZBufferData *pz, int x, int y, bool upsidedown) {
if (_spriteLayers->numLayers > 0)
killSpriteLayers();
_spriteLayers->numLayers = pz->numPanels;
for (int i = 0; i < _spriteLayers->numLayers; ++i) {
SpriteDisplay node(x, y, (upsidedown ? Graphics::FLIP_V : Graphics::FLIP_NONE), &pz->sprites[i], pz->sprites[i].w, pz->sprites[i].h);
_spriteLayers->layer[i].push_back(node);
}
}
void GraphicsManager::addSpriteDepth(Graphics::Surface *ptr, int depth, int x, int y, Graphics::FLIP_FLAGS flip, int width, int height, uint32 color) {
int i;
for (i = 1; i < _zBuffer->numPanels; ++i) {
if (_zBuffer->panel[i] >= depth) {
break;
}
}
--i;
SpriteDisplay node(x, y, flip, ptr, width, height, color);
_spriteLayers->layer[i].push_back(node);
}
void GraphicsManager::displaySpriteLayers() {
for (int i = 0; i < _spriteLayers->numLayers; ++i) {
Common::List<SpriteDisplay>::iterator it;
for (it = _spriteLayers->layer[i].begin(); it != _spriteLayers->layer[i].end(); ++it) {
Graphics::TransparentSurface tmp(*it->surface, false);
tmp.blit(_renderSurface, it->x, it->y, it->flip, nullptr, it->color, it->width, it->height);
}
}
killSpriteLayers();
}
void GraphicsManager::killSpriteLayers() {
for (int i = 0; i < _spriteLayers->numLayers; ++i) {
_spriteLayers->layer[i].clear();
}
_spriteLayers->numLayers = 0;
}
// Paste a scaled sprite onto the backdrop
void GraphicsManager::fixScaleSprite(int x, int y, Sprite &single, const SpritePalette &fontPal, OnScreenPerson *thisPerson, int camX, int camY, bool mirror) {
float scale = thisPerson->scale;
bool useZB = !(thisPerson->extra & EXTRA_NOZB);
bool light = !(thisPerson->extra & EXTRA_NOLITE);
if (scale <= 0.05)
return;
int diffX = (int)(((float)single.surface.w) * scale);
int diffY = (int)(((float)single.surface.h) * scale);
int x1;
if (single.xhot < 0)
x1 = x - (int)((mirror ? (float)(single.surface.w - single.xhot) : (float)(single.xhot + 1)) * scale);
else
x1 = x - (int)((mirror ? (float)(single.surface.w - (single.xhot + 1)) : (float)single.xhot) * scale);
int y1 = y - (int)((single.yhot - thisPerson->floaty) * scale);
// set light map color
if (light && _lightMap.getPixels()) {
if (_lightMapMode == LIGHTMAPMODE_HOTSPOT) {
int lx = x + _cameraX;
int ly = y + _cameraY;
if (lx < 0 || ly < 0 || lx >= (int)_sceneWidth || ly >= (int)_sceneHeight) {
_curLight[0] = _curLight[1] = _curLight[2] = 255;
} else {
byte *target = (byte *)_lightMap.getBasePtr(lx, ly);
_curLight[0] = target[3];
_curLight[1] = target[2];
_curLight[2] = target[1];
}
} else if (_lightMapMode == LIGHTMAPMODE_PIXEL) {
_curLight[0] = _curLight[1] = _curLight[2] = 255;
}
} else {
_curLight[0] = _curLight[1] = _curLight[2] = 255;
}
// draw backdrop
drawBackDrop();
// draw zBuffer
if (_zBuffer->numPanels) {
drawZBuffer((int)(x1 + camX), (int)(y1 + camY), false);
}
// draw sprite
uint32 spriteColor = getDrawColor(thisPerson);
if (!_zBuffer->numPanels) {
Graphics::TransparentSurface tmp(single.surface, false);
tmp.blit(_renderSurface, x1, y1, (mirror ? Graphics::FLIP_H : Graphics::FLIP_NONE), nullptr, spriteColor, diffX, diffY);
} else {
int d = useZB ? y + _cameraY : _sceneHeight + 1;
addSpriteDepth(&single.surface, d, x1, y1, (mirror ? Graphics::FLIP_H : Graphics::FLIP_NONE), diffX, diffY, spriteColor);
}
// draw all
displaySpriteLayers();
// copy screen to backdrop
_backdropSurface.copyFrom(_renderSurface);
}
} // End of namespace Sludge
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