scummvm/engines/cine/bg.cpp
2011-05-12 01:16:22 +02:00

135 lines
3.5 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 "common/endian.h"
#include "common/memstream.h"
#include "common/textconsole.h"
#include "cine/cine.h"
#include "cine/various.h"
#include "cine/bg.h"
namespace Cine {
uint16 bgVar0;
byte *additionalBgTable[9];
int16 currentAdditionalBgIdx = 0, currentAdditionalBgIdx2 = 0;
byte loadCtFW(const char *ctName) {
debugC(1, kCineDebugCollision, "loadCtFW(\"%s\")", ctName);
byte *ptr, *dataPtr;
int16 foundFileIdx = findFileInBundle(ctName);
if (foundFileIdx == -1) {
warning("loadCtFW: Unable to find collision data file '%s'", ctName);
// FIXME: Rework this function's return value policy and return an appropriate value here.
// The return value isn't yet used for anything so currently it doesn't really matter.
return 0;
}
if (currentCtName != ctName)
strcpy(currentCtName, ctName);
ptr = dataPtr = readBundleFile(foundFileIdx);
loadRelatedPalette(ctName);
assert(strstr(ctName, ".NEO"));
gfxConvertSpriteToRaw(collisionPage, ptr + 0x80, 160, 200);
free(dataPtr);
return 0;
}
byte loadCtOS(const char *ctName) {
debugC(1, kCineDebugCollision, "loadCtOS(\"%s\")", ctName);
byte *ptr, *dataPtr;
int16 foundFileIdx = findFileInBundle(ctName);
if (foundFileIdx == -1) {
warning("loadCtOS: Unable to find collision data file '%s'", ctName);
// FIXME: Rework this function's return value policy and return an appropriate value here.
// The return value isn't yet used for anything so currently it doesn't really matter.
return 0;
}
if (currentCtName != ctName)
strcpy(currentCtName, ctName);
ptr = dataPtr = readBundleFile(foundFileIdx);
uint16 bpp = READ_BE_UINT16(ptr);
ptr += 2;
if (bpp == 8) {
renderer->loadCt256(ptr, ctName);
} else {
gfxConvertSpriteToRaw(collisionPage, ptr + 32, 160, 200);
renderer->loadCt16(ptr, ctName);
}
free(dataPtr);
return 0;
}
byte loadBg(const char *bgName) {
byte *ptr, *dataPtr;
byte fileIdx = findFileInBundle(bgName);
ptr = dataPtr = readBundleFile(fileIdx);
uint16 bpp = READ_BE_UINT16(ptr);
ptr += 2;
if (bpp == 8) {
renderer->loadBg256(ptr, bgName);
} else {
if (g_cine->getGameType() == Cine::GType_FW) {
loadRelatedPalette(bgName);
}
renderer->loadBg16(ptr, bgName);
}
free(dataPtr);
return 0;
}
void addBackground(const char *bgName, uint16 bgIdx) {
byte *ptr, *dataPtr;
byte fileIdx = findFileInBundle(bgName);
ptr = dataPtr = readBundleFile(fileIdx);
uint16 bpp = READ_BE_UINT16(ptr); ptr += 2;
if (bpp == 8) {
renderer->loadBg256(ptr, bgName, bgIdx);
} else {
renderer->loadBg16(ptr, bgName, bgIdx);
}
free(dataPtr);
}
} // End of namespace Cine