Patch #697312: Beneath a Steel Sky interim/initial support patch
svn-id: r6691
This commit is contained in:
Max Horn
parent
f02506f993
commit
5ffeedb1cb
13 changed files with 1299 additions and 3 deletions
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@ -23,7 +23,7 @@ DEPDIR := .deps
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# module.mk of their parents. In fact the only reason they are listed here is to ensure the
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# DEPDIRS directive works correctly.
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MODULES += \
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scumm common simon gui backends sound \
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scumm common simon sky gui backends sound \
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scumm/smush backends/fs/posix backends/fs/morphos backends/fs/windows backends/midi
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# Include the build instructions for all modules
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@ -87,6 +87,9 @@ Engine *Engine::createFromDetector(GameDetector *detector, OSystem *syst)
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} else if (detector->_gameId >= GID_SCUMM_FIRST && detector->_gameId <= GID_SCUMM_LAST) {
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// Some kind of Scumm game
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engine = Engine_SCUMM_create(detector, syst);
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} else if (detector->_gameId >= GID_SKY_FIRST && detector->_gameId <= GID_SKY_LAST) {
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// Beneath a Steel Sky
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engine = Engine_SKY_create(detector, syst);
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} else {
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// Unknown game
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}
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@ -78,9 +78,11 @@ void checkHeap();
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// 2) Faster (compiler doesn't have to parse lengthy header files)
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extern Engine *Engine_SIMON_create(GameDetector *detector, OSystem *syst);
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extern Engine *Engine_SCUMM_create(GameDetector *detector, OSystem *syst);
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extern Engine *Engine_SKY_create(GameDetector *detector, OSystem *syst);
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extern const VersionSettings *Engine_SIMON_targetList();
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extern const VersionSettings *Engine_SCUMM_targetList();
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extern const VersionSettings *Engine_SKY_targetList();
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#endif
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@ -191,12 +191,16 @@ GameDetector::GameDetector()
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// Gather & combine the target lists from the modules
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const VersionSettings *scummVersions = Engine_SCUMM_targetList();
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const VersionSettings *simonVersions = Engine_SIMON_targetList();
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const VersionSettings *skyVersions = Engine_SKY_targetList();
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int scummCount = countVersions(scummVersions);
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int simonCount = countVersions(simonVersions);
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int skyCount = countVersions(skyVersions);
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VersionSettings *v = (VersionSettings *)calloc(scummCount + simonCount + 1, sizeof(VersionSettings));
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VersionSettings *v = (VersionSettings *)calloc(scummCount + simonCount + skyCount + 1, sizeof(VersionSettings));
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memcpy(v, scummVersions, scummCount * sizeof(VersionSettings));
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memcpy(v+scummCount, simonVersions, simonCount * sizeof(VersionSettings));
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memcpy(v+skyCount, skyVersions, skyCount * sizeof(VersionSettings));
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version_settings = v;
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}
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}
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@ -40,7 +40,11 @@ enum GameId {
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// Simon the Sorcerer
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GID_SIMON_FIRST,
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GID_SIMON_LAST = GID_SIMON_FIRST + 99
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GID_SIMON_LAST = GID_SIMON_FIRST + 99,
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// Beneath a Steel Sky
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GID_SKY_FIRST,
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GID_SKY_LAST = GID_SKY_FIRST + 99
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};
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// TODO: the GameFeatures really should be moved to scumm/scumm.h, too
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211
sky/disk.cpp
Normal file
211
sky/disk.cpp
Normal file
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@ -0,0 +1,211 @@
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/* ScummVM - Scumm Interpreter
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* Copyright (C) 2003 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "common/scummsys.h"
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#include "common/engine.h"
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#include "common/file.h"
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#include "sky/skydefs.h"
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#include "sky/sky.h"
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#define no_of_files_hd 1600
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#define no_of_files_cd 5200
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#define max_files_in_list 60
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extern uint16 UnpackM1(void *, void *, uint16);
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const char *data_file_name = "sky.dsk";
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const char *dinner_file_name = "sky.dnr";
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uint8 *dinner_table_area, *fixed_dest, *file_dest, *comp_dest;
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uint32 dinner_table_size, file_flags, file_offset, file_size, decomp_size, comp_file;
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uint16 build_list[max_files_in_list];
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uint32 loaded_file_list[max_files_in_list];
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File *data_disk_handle = new File();
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File *dnr_handle = new File();
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void SkyState::initialise_disk()
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{
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uint32 entries_read;
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dnr_handle->open(dinner_file_name, _gameDataPath);
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if (dnr_handle->isOpen() == false)
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error("Could not open %s%s!\n", _gameDataPath, dinner_file_name);
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if (!(dinner_table_size = dnr_handle->readUint32LE()))
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error("Error reading from sky.dnr!\n"); //even though it was opened correctly?!
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debug(1, "Entries in dinner table: %d", dinner_table_size);
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dinner_table_area = (uint8 *)malloc(dinner_table_size*8);
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entries_read = dnr_handle->read(dinner_table_area, 8*dinner_table_size) / 8;
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if (entries_read != dinner_table_size)
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warning("bytes_read != dinner_table_entries. [%d/%d]\n", entries_read, dinner_table_size);
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data_disk_handle->open(data_file_name, _gameDataPath);
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if (data_disk_handle->isOpen() == false)
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error("Error opening %s%s!\n", _gameDataPath, data_file_name);
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}
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//load in file file_nr to address dest
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//if dest == NULL, then allocate memory for this file
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uint16 *SkyState::load_file(uint16 file_nr, uint8 *dest)
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{
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uint8 cflag;
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uint32 eax, ecx;
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int32 bytes_read;
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uint8 *file_ptr, *esiptr, *ediptr;
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s file_header;
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#ifdef file_order_chk
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warning("File order checking not implemented yet!\n");
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#endif
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comp_file = file_nr;
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debug(1, "load file %d,%d (%d)", (file_nr>>11), (file_nr&2047), file_nr);
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file_ptr = (uint8 *)get_file_info(file_nr);
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if (file_ptr == NULL) {
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printf("File %d not found!\n", file_nr);
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return NULL;
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}
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eax = READ_LE_UINT32((file_ptr+5));
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file_flags = eax;
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eax &= 0x03fffff;
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file_size = eax;
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ecx = READ_LE_UINT32((file_ptr+2));
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ecx &= 0x0ffffff;
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cflag = (uint8)((ecx >> (23)) & 0x1);
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ecx = (((1 << (23)) ^ 0xFFFFFFFF) & ecx);
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if (cflag)
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ecx = ecx << 4;
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file_offset = ecx;
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fixed_dest = dest;
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file_dest = dest;
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comp_dest = dest;
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if (dest == NULL) //we need to allocate memory for this file
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file_dest = (uint8 *)malloc(eax);
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data_disk_handle->seek(file_offset, SEEK_SET);
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#ifdef file_order_chk
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warning("File order checking not implemented yet!\n");
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#endif
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//now read in the data
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bytes_read = data_disk_handle->read(file_dest, 1*file_size);
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if (bytes_read != (int32)file_size)
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printf("ERROR: Unable to read %d bytes from datadisk (%d bytes read)\n", file_size, bytes_read);
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cflag = (uint8)((file_flags >> (23)) & 0x1);
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//if cflag == 0 then file is compressed, 1 == uncompressed
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if (!cflag)
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{
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debug(1, "File is compressed...");
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memcpy(&file_header, file_dest, sizeof(struct s));
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if ( (uint8)((FROM_LE_16(file_header.flag) >> 7) & 0x1) ) {
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debug(1, "with RNC!");
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eax = FROM_LE_16(file_header.flag);
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eax &= 0xFFFFFF00; //clear al
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eax = eax << 8;
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eax |= FROM_LE_16((uint16)file_header.s_tot_size);
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decomp_size = eax;
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if (fixed_dest == NULL) // is this valid?
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comp_dest = (uint8 *)malloc(eax);
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esiptr = file_dest;
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ediptr = comp_dest;
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if ( (uint8)(file_flags >> (22) & 0x1) ) //do we include the header?
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esiptr += sizeof(struct s);
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else {
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memcpy(ediptr, esiptr, sizeof(struct s));
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esiptr += sizeof(struct s);
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ediptr += sizeof(struct s);
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}
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eax = UnpackM1(esiptr, ediptr, 0);
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debug(2, "UnpackM1 returned: %d", eax);
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if (eax == 0) { //Unpack returned 0: file was probably not packed.
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if (fixed_dest == NULL)
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free(comp_dest);
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return (uint16 *)file_dest;
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}
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if (! (uint8)(file_flags >> (22) & 0x1) ) { //include header?
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eax += sizeof(struct s);
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if (eax != decomp_size)
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{
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debug(1, "ERROR: invalid decomp size! (was: %d, should be: %d)", eax, decomp_size);
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}
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}
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if (fixed_dest == NULL)
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free(file_dest);
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}
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else
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debug(1, "but not with RNC! (?!)");
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}
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else
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return (uint16 *)file_dest;
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return (uint16 *)comp_dest;
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}
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uint16 *SkyState::get_file_info(uint16 file_nr)
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{
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uint16 i;
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uint16 *dnr_tbl_16_ptr = (uint16 *)dinner_table_area;
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for (i = 0; i < dinner_table_size/2; i++)
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{
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if (READ_LE_UINT16(dnr_tbl_16_ptr+(i*4)) == file_nr)
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{
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debug(1, "file %d found!", file_nr);
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return (dnr_tbl_16_ptr+(i*4));
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}
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}
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//if file is speech file then return NULL if not found
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printf("get_file_info() - speech file support not implemented yet!\n");
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return (uint16 *)NULL;
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}
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266
sky/intro.cpp
Normal file
266
sky/intro.cpp
Normal file
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@ -0,0 +1,266 @@
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/* ScummVM - Scumm Interpreter
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* Copyright (C) 2003 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include <string.h>
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#include "common/scummsys.h"
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#include "sky/skydefs.h"
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#include "sky/sky.h"
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#define intro_text_width 128
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#define fn_a_pal 60080
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#define fn_1a_log 60081
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#define fn_1a 60082
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#define fn_1b 60083
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#define fn_1c 60084
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#define fn_1d 60085
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#define fn_1e 60086
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#define fn_4a 60087
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#define fn_4b_log 60088
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#define fn_4b 60089
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#define fn_4c_log 60090
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#define fn_4c 60091
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#define fn_5_pal 60092
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#define fn_5_log 60093
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#define fn_5 60094
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#define fn_6_pal 60095
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#define fn_6_log 60096
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#define fn_6a 60097
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#define fn_6b 60098
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#ifdef short_intro_start
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#define virgin_time_1 3
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#define viring_time_2 3
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#define rev_time 8
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#define gibb_time 6
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#else
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#define virgin_time_1 (3*50)
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#define virgin_time_2 ((3*50)+8)
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#define rev_time ((8*50)+8)
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#define gibb_time ((6*50)+8)
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#endif
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void prepare_text(void);
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void show_intro_text(void);
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void remove_text(void);
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void intro_fx(void);
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void intro_vol(void);
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uint8 *seq1a_data;
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uint8 *seq1b_data;
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uint8 *seq1c_data;
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uint8 *seq1d_data;
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uint8 *seq1e_data;
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uint8 *seq4a_data;
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uint8 *seq4b_data;
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uint8 *seq4c_data;
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uint8 *seq5_data;
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uint8 *seq6a_data;
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uint8 *seq6b_data;
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uint8 *vga_data;
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uint8 *diff_data;
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uint8 *work_base;
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uint8 *work_screen;
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uint8 *work_screen_end;
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uint8 *intro_text_space; //space for storing text messages
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uint8 *intro_text_save; //save screen data here
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uint8 *vga_pointer;
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uint8 *diff_pointer;
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uint32 no_frames; //number of frames in scrolling intro
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uint32 frame_counter;
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#define ic_prepare_text 0
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#define ic_show_text 1
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#define ic_remove_text 2
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#define ic_make_sound 3
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#define ic_fx_volume 4
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typedef void (*pfc)(void);
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pfc command_routines[] = { &prepare_text, &show_intro_text, &remove_text, &intro_fx, &intro_vol };
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uint32 cockpit_commands[] =
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{
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1000, //do straight away
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ic_prepare_text,
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77,
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220,
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ic_show_text, //radar detects jamming signal
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20,
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160,
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105,
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ic_remove_text,
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81,
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105,
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ic_show_text, //well switch to override you fool
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170,
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86,
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35,
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ic_remove_text,
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35,
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ic_prepare_text,
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477,
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35,
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ic_show_text,
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30,
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160,
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3,
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ic_remove_text
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};
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uint32 zero_commands[] = { 0 };
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uint32 anim5_commands[] =
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{
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31,
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ic_make_sound,
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2,
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127,
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0
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};
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uint32 anim4a_commands[] =
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{
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136,
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ic_make_sound,
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1,
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70,
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90,
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ic_fx_volume,
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80,
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50,
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ic_fx_volume,
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90,
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5,
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ic_fx_volume,
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100,
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0
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};
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uint32 anim4c_commands[] =
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{
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1000,
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ic_fx_volume,
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100,
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25,
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ic_fx_volume,
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110,
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15,
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ic_fx_volume,
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120,
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4,
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ic_fx_volume,
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127,
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0
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};
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uint32 anim6a_commands[] =
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{
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1000,
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ic_prepare_text,
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478,
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13,
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ic_show_text,
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175,
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155,
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0
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};
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uint32 anim6b_commands[] =
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{
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131,
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ic_remove_text,
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131,
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ic_prepare_text,
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479,
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74,
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ic_show_text,
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175,
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155,
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45,
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ic_remove_text,
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45,
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ic_prepare_text,
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162,
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44,
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ic_show_text,
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175,
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155,
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4,
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ic_remove_text,
|
||||
0
|
||||
};
|
||||
|
||||
uint32 *command_pointer = (uint32 *)zero_commands;
|
||||
|
||||
|
||||
void SkyState::init_virgin()
|
||||
{
|
||||
_temp_pal = (uint8 *)load_file(60111, NULL);
|
||||
if (_temp_pal != NULL)
|
||||
set_palette(_temp_pal);
|
||||
|
||||
_work_screen = (uint8 *)load_file(60110, NULL);
|
||||
|
||||
if (_work_screen != NULL)
|
||||
show_screen();
|
||||
|
||||
//free the memory that was malloc'ed indirectly via load_file
|
||||
free (_work_screen);
|
||||
free (_temp_pal);
|
||||
}
|
||||
|
||||
void SkyState::show_screen(void)
|
||||
{
|
||||
_system->copy_rect(_work_screen, 320, 0, 0, 320, 200);
|
||||
_system->update_screen();
|
||||
}
|
||||
|
||||
void prepare_text(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void show_intro_text(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void remove_text(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void intro_fx(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void intro_vol(void)
|
||||
{
|
||||
|
||||
}
|
||||
345
sky/rnc_deco.cpp
Normal file
345
sky/rnc_deco.cpp
Normal file
|
|
@ -0,0 +1,345 @@
|
|||
/* ScummVM - Scumm Interpreter
|
||||
* Copyright (C) 2003 The ScummVM project
|
||||
*
|
||||
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* $Header$
|
||||
*
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
#include "common/scummsys.h"
|
||||
|
||||
#define ROL(x, n) (((x) << (n)) | ((x) >> (16-(n))))
|
||||
#define ROR(x, n) (((x) << (16-(n))) | ((x) >> (n)))
|
||||
#define XCHG(a, b) (a ^=b, b ^= a, a ^= b)
|
||||
|
||||
//conditional flags
|
||||
#define CHECKSUMS 1
|
||||
#define PROTECTED 0
|
||||
|
||||
//return codes
|
||||
#define NOT_PACKED 0
|
||||
#define PACKED_CRC -1
|
||||
#define UNPACKED_CRC -2
|
||||
|
||||
//other defines
|
||||
#define TABLE_SIZE (16*8)
|
||||
#define MIN_LENGTH 2
|
||||
#define HEADER_LEN 18
|
||||
|
||||
uint16 raw_table[TABLE_SIZE/2];
|
||||
uint16 pos_table[TABLE_SIZE/2];
|
||||
uint16 len_table[TABLE_SIZE/2];
|
||||
|
||||
#ifdef CHECKSUMS
|
||||
uint16 crc_table[0x100];
|
||||
#endif
|
||||
|
||||
uint32 unpack_len = 0;
|
||||
uint32 pack_len = 0;
|
||||
uint16 pack_paras = 0;
|
||||
uint16 counts = 0;
|
||||
uint16 bit_buffl = 0;
|
||||
uint16 bit_buffh = 0;
|
||||
uint8 blocks = 0;
|
||||
uint8 bit_count = 0;
|
||||
|
||||
#ifdef CHECKSUMS
|
||||
uint16 crc_u = 0;
|
||||
uint16 crc_p = 0;
|
||||
#endif
|
||||
|
||||
|
||||
uint8 *esiptr, *ediptr; //these need to be global because input_bits() uses them
|
||||
|
||||
void init_crc(void)
|
||||
{
|
||||
uint16 cnt=0;
|
||||
uint16 tmp1=0;
|
||||
uint16 tmp2=0;
|
||||
|
||||
for (tmp2 = 0; tmp2 < 0x100; tmp2++) {
|
||||
tmp1 = tmp2;
|
||||
for (cnt = 8; cnt > 0; cnt--) {
|
||||
if (tmp1 % 2) {
|
||||
tmp1 /= 2;
|
||||
tmp1 ^= 0x0a001;
|
||||
}
|
||||
else
|
||||
tmp1 /= 2;
|
||||
}
|
||||
crc_table[tmp2] = tmp1;
|
||||
}
|
||||
}
|
||||
|
||||
//calculate 16 bit crc of a block of memory
|
||||
uint16 crc_block(uint8 *block, uint32 size)
|
||||
{
|
||||
uint16 crc=0;
|
||||
uint8 *crcTable8 = (uint8 *)crc_table; //make a uint8* to crc_table
|
||||
uint8 tmp;
|
||||
uint32 i;
|
||||
|
||||
for (i = 0; i < size; i++) {
|
||||
tmp = *block++;
|
||||
crc ^= tmp;
|
||||
tmp = (uint8)((crc>>8)&0x00FF);
|
||||
crc &= 0x00FF;
|
||||
crc = crc << 1;
|
||||
crc = *(uint16 *)&crcTable8[crc];
|
||||
crc ^= tmp;
|
||||
}
|
||||
|
||||
return crc;
|
||||
}
|
||||
|
||||
uint16 input_bits(uint8 amount)
|
||||
{
|
||||
uint16 newBitBuffh = bit_buffh;
|
||||
uint16 newBitBuffl = bit_buffl;
|
||||
int16 newBitCount = bit_count;
|
||||
uint16 remBits, returnVal;
|
||||
|
||||
returnVal = ((1 << amount) - 1) & newBitBuffl;
|
||||
newBitCount -= amount;
|
||||
|
||||
if (newBitCount < 0) {
|
||||
newBitCount += amount;
|
||||
XCHG(newBitCount, amount);
|
||||
remBits = ROR((uint16)(((1 << amount) - 1) & newBitBuffh), amount);
|
||||
newBitBuffh >>= amount;
|
||||
newBitBuffl >>= amount;
|
||||
newBitBuffl |= remBits;
|
||||
esiptr += 2;
|
||||
newBitBuffh = READ_LE_UINT16(esiptr);
|
||||
XCHG(newBitCount, amount);
|
||||
amount -= newBitCount;
|
||||
newBitCount = 16 - amount;
|
||||
}
|
||||
remBits = ROR((uint16)(((1 << amount) - 1) & newBitBuffh), amount);
|
||||
bit_buffh = newBitBuffh >> amount;
|
||||
bit_buffl = (newBitBuffl >> amount) | remBits;
|
||||
bit_count = newBitCount;
|
||||
|
||||
return returnVal;
|
||||
|
||||
}
|
||||
|
||||
// RCL/RCR functions..operate on 16 bit ints only
|
||||
uint16 rcl(uint16 reg, uint16 *cflag)
|
||||
{
|
||||
uint16 lsb = *cflag;
|
||||
*cflag = reg >> 15;
|
||||
return (reg << 1) | lsb;
|
||||
}
|
||||
|
||||
uint16 rcr(uint16 reg, uint16 *cflag)
|
||||
{
|
||||
uint16 msb = *cflag << 15;
|
||||
*cflag = reg & 1;
|
||||
return (reg >> 1) | msb;
|
||||
}
|
||||
|
||||
|
||||
|
||||
void make_huftable(uint16 *table)
|
||||
{
|
||||
uint16 bitLength, i, j;
|
||||
uint16 numCodes = input_bits(5);
|
||||
|
||||
if (!numCodes)
|
||||
return;
|
||||
|
||||
uint8 huffLength[16];
|
||||
for (i = 0; i < numCodes; i++)
|
||||
huffLength[i] = (uint8)(input_bits(4) & 0x00FF);
|
||||
|
||||
uint16 huffCode = 0;
|
||||
|
||||
for (bitLength = 1; bitLength < 17; bitLength++) {
|
||||
for (i = 0; i < numCodes; i++) {
|
||||
if (huffLength[i] == bitLength) {
|
||||
*table++ = (1 << bitLength) - 1;
|
||||
|
||||
uint16 b = huffCode >> (16 - bitLength);
|
||||
uint16 a = 0;
|
||||
uint16 carry = 0;
|
||||
|
||||
for (j = 0; j < bitLength; j++) {
|
||||
b = rcr(b, &carry);
|
||||
a = rcl(a, &carry);
|
||||
|
||||
}
|
||||
*table++ = a;
|
||||
|
||||
*(table+0x1e) = (huffLength[i]<<8)|(i & 0x00FF);
|
||||
huffCode += 1 << (16 - bitLength);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
uint16 input_value(uint16 *table)
|
||||
{
|
||||
uint16 valOne, valTwo, value = bit_buffl;
|
||||
|
||||
do {
|
||||
valTwo = (*table++) & value;
|
||||
valOne = *table++;
|
||||
|
||||
} while (valOne != valTwo);
|
||||
|
||||
value = *(table+0x1e);
|
||||
input_bits((uint8)((value>>8)&0x00FF));
|
||||
value &= 0x00FF;
|
||||
|
||||
if (value >= 2) {
|
||||
value--;
|
||||
valOne = input_bits((uint8)value&0x00FF);
|
||||
valOne |= (1 << value);
|
||||
value = valOne;
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
int UnpackM1(void *input, void *output, uint16 key)
|
||||
{
|
||||
uint8 cl;
|
||||
uint8 *inputHigh, *outputLow;
|
||||
uint32 eax, ebx, ecx, edx;
|
||||
uint8 *inputptr = (uint8 *)input;
|
||||
|
||||
if (CHECKSUMS)
|
||||
init_crc();
|
||||
|
||||
//Check for "RNC "
|
||||
if (READ_BE_UINT32(inputptr) != 0x524e4301)
|
||||
return NOT_PACKED;
|
||||
|
||||
inputptr += 4;
|
||||
|
||||
// read unpacked/packed file length
|
||||
unpack_len = READ_BE_UINT32(inputptr); inputptr += 4;
|
||||
pack_len = READ_BE_UINT32(inputptr); inputptr += 4;
|
||||
|
||||
blocks = *(inputptr+5);
|
||||
|
||||
if (CHECKSUMS) {
|
||||
//read CRC's
|
||||
crc_u = READ_BE_UINT16(inputptr); inputptr += 2;
|
||||
crc_p = READ_BE_UINT16(inputptr); inputptr += 2;
|
||||
|
||||
inputptr = (inputptr+HEADER_LEN-16);
|
||||
|
||||
if (crc_block(inputptr, pack_len) != crc_p)
|
||||
return PACKED_CRC;
|
||||
|
||||
inputptr = (((uint8 *)input)+HEADER_LEN);
|
||||
esiptr = inputptr;
|
||||
|
||||
}
|
||||
|
||||
inputHigh = ((uint8 *)input) + pack_len + HEADER_LEN;;
|
||||
outputLow = (uint8 *)output;
|
||||
|
||||
eax = *(((uint8 *)input)+16) + unpack_len;
|
||||
|
||||
if (! ((inputHigh <= outputLow ) || ((outputLow+eax) <= inputHigh )) ) {
|
||||
esiptr = inputHigh;
|
||||
ediptr = (outputLow+eax);
|
||||
memcpy((ediptr-pack_len), (esiptr-pack_len), pack_len);
|
||||
esiptr = (ediptr-pack_len);
|
||||
}
|
||||
|
||||
|
||||
//unpack3:
|
||||
ediptr = (uint8 *)output;
|
||||
bit_count = 0;
|
||||
|
||||
bit_buffl = READ_LE_UINT16(esiptr);
|
||||
/*eax =*/ input_bits(2);
|
||||
|
||||
|
||||
//Argh! Labels!!
|
||||
unpack4:
|
||||
make_huftable(raw_table);
|
||||
make_huftable(pos_table);
|
||||
make_huftable(len_table);
|
||||
|
||||
counts = input_bits(16);
|
||||
|
||||
goto unpack6;
|
||||
|
||||
unpack5:
|
||||
|
||||
eax = input_value(pos_table) + 1; //input offset
|
||||
ecx = input_value(len_table) + MIN_LENGTH; //input length
|
||||
|
||||
inputHigh = esiptr;
|
||||
esiptr = (ediptr-eax);
|
||||
|
||||
//Don't use memcpy here! because input and output overlap
|
||||
while (ecx) {
|
||||
*ediptr++ = *esiptr++; ecx--;
|
||||
}
|
||||
|
||||
esiptr = inputHigh;
|
||||
|
||||
unpack6:
|
||||
|
||||
ecx = input_value(raw_table);
|
||||
|
||||
if (ecx == 0)
|
||||
goto unpack7;
|
||||
|
||||
memcpy(ediptr, esiptr, ecx); //memcpy is allowed here
|
||||
ediptr += ecx;
|
||||
esiptr += ecx;
|
||||
cl = bit_count;
|
||||
eax = READ_LE_UINT16(esiptr);
|
||||
ebx = eax;
|
||||
eax = ROL((uint16)eax, cl);
|
||||
edx = ((1 << cl) - 1) & 0x0000FFFF; //make sure we only get 16bits
|
||||
bit_buffl &= (uint16)edx;
|
||||
edx &= eax;
|
||||
|
||||
eax = READ_LE_UINT16((esiptr+2));
|
||||
ebx = (ebx << cl)&0x0000FFFF;
|
||||
eax = (eax << cl)&0x0000FFFF;
|
||||
eax |= edx;
|
||||
bit_buffl |= (uint16)ebx;
|
||||
bit_buffh = (uint16)eax;
|
||||
|
||||
unpack7:
|
||||
|
||||
counts--;
|
||||
if (counts)
|
||||
goto unpack5;
|
||||
|
||||
blocks--;
|
||||
if (blocks)
|
||||
goto unpack4;
|
||||
|
||||
if (CHECKSUMS) {
|
||||
if (crc_block((uint8 *)output, unpack_len) != crc_u)
|
||||
return UNPACKED_CRC;
|
||||
}
|
||||
|
||||
// all is done..return the amount of unpacked bytes
|
||||
return unpack_len;
|
||||
}
|
||||
96
sky/screen.cpp
Normal file
96
sky/screen.cpp
Normal file
|
|
@ -0,0 +1,96 @@
|
|||
/* ScummVM - Scumm Interpreter
|
||||
* Copyright (C) 2003 The ScummVM project
|
||||
*
|
||||
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* $Header$
|
||||
*
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
#include "common/scummsys.h"
|
||||
#include "sky/skydefs.h"
|
||||
#include "sky/sky.h"
|
||||
|
||||
#define fade_jump 2
|
||||
#define scroll_jump 16
|
||||
|
||||
#define vga_colours 256
|
||||
#define game_colours 240
|
||||
|
||||
uint8 top_16_colours[] =
|
||||
{
|
||||
0, 0, 0,
|
||||
38, 38, 38,
|
||||
63, 63, 63,
|
||||
0, 0, 0,
|
||||
0, 0, 0,
|
||||
0, 0, 0,
|
||||
0, 0, 0,
|
||||
54, 54, 54,
|
||||
45, 47, 49,
|
||||
32, 31, 41,
|
||||
29, 23, 37,
|
||||
23, 18, 30,
|
||||
49, 11, 11,
|
||||
39, 5, 5,
|
||||
29, 1, 1,
|
||||
63, 63, 63
|
||||
};
|
||||
|
||||
void SkyState::initialise_screen(void)
|
||||
{
|
||||
int i;
|
||||
uint8 tmp_pal[1024];
|
||||
|
||||
_system->init_size(full_screen_width, full_screen_height);
|
||||
_backscreen = (uint8 *)malloc(full_screen_width*full_screen_height);
|
||||
_game_grid = (uint8 *)malloc(GRID_X*GRID_Y*2);
|
||||
_work_palette = (uint8 *)malloc(vga_colours*3);
|
||||
|
||||
//blank the first 240 colors of the palette
|
||||
bzero(tmp_pal, game_colours*4);
|
||||
|
||||
//set the remaining colors
|
||||
for (i=0; i<(vga_colours-game_colours); i++) {
|
||||
tmp_pal[game_colours+i*4] = (top_16_colours[i*3] << 2) + (top_16_colours[i*3] & 3);
|
||||
tmp_pal[game_colours+i*4+1] = (top_16_colours[i*3+1] << 2) + (top_16_colours[i*3+1] & 3);
|
||||
tmp_pal[game_colours+i*4+2] = (top_16_colours[i*3+2] << 2) + (top_16_colours[i*3+2] & 3);
|
||||
tmp_pal[game_colours+i*4+3] = 0x00;
|
||||
}
|
||||
|
||||
//set the palette
|
||||
_system->set_palette(tmp_pal, 0, 256);
|
||||
|
||||
}
|
||||
|
||||
//set a new palette, pal is a pointer to dos vga rgb components 0..63
|
||||
void SkyState::set_palette(uint8 *pal)
|
||||
{
|
||||
convert_palette(pal, _palette);
|
||||
_system->set_palette(_palette, 0, 256);
|
||||
}
|
||||
|
||||
void SkyState::convert_palette(uint8 *inpal, uint8* outpal) //convert 3 byte 0..63 rgb to 4byte 0..255 rgbx
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < vga_colours; i++) {
|
||||
outpal[4*i] = (inpal[3*i] << 2) + (inpal[3*i] & 3);
|
||||
outpal[4*i+1] = (inpal[3*i+1] << 2) + (inpal[3*i+1] & 3);
|
||||
outpal[4*i+2] = (inpal[3*i+2] << 2) + (inpal[3*i+2] & 3);
|
||||
outpal[4*i+3] = 0x00;
|
||||
}
|
||||
}
|
||||
148
sky/sky.cpp
Normal file
148
sky/sky.cpp
Normal file
|
|
@ -0,0 +1,148 @@
|
|||
/* ScummVM - Scumm Interpreter
|
||||
* Copyright (C) 2003 The ScummVM project
|
||||
*
|
||||
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* $Header$
|
||||
*
|
||||
*/
|
||||
|
||||
#include "sky/sky.h"
|
||||
#include "sky/skydefs.h" //game specific defines
|
||||
#include "common/file.h"
|
||||
#include "common/gameDetector.h"
|
||||
#include <errno.h>
|
||||
#include <time.h>
|
||||
|
||||
#ifdef _WIN32_WCE
|
||||
|
||||
extern bool toolbar_drawn;
|
||||
extern bool draw_keyboard;
|
||||
|
||||
#endif
|
||||
|
||||
static const VersionSettings sky_settings[] = {
|
||||
/* Beneath a Steel Sky */
|
||||
{"sky", "Beneath a Steel Sky", GID_SKY_FIRST, 99, 99, 99, 0, "sky.dsk" },
|
||||
{NULL, NULL, 0, 0, 0, 0, 0, NULL}
|
||||
};
|
||||
|
||||
const VersionSettings *Engine_SKY_targetList()
|
||||
{
|
||||
return sky_settings;
|
||||
}
|
||||
|
||||
Engine *Engine_SKY_create(GameDetector *detector, OSystem *syst)
|
||||
{
|
||||
return new SkyState(detector, syst);
|
||||
}
|
||||
|
||||
SkyState::SkyState(GameDetector *detector, OSystem *syst)
|
||||
: Engine(detector, syst)
|
||||
{
|
||||
_game = detector->_gameId;
|
||||
|
||||
_debugMode = detector->_debugMode;
|
||||
_debugLevel = detector->_debugLevel;
|
||||
_language = detector->_language;
|
||||
}
|
||||
|
||||
SkyState::~SkyState()
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void SkyState::pollMouseXY()
|
||||
{
|
||||
_mouse_x = _sdl_mouse_x;
|
||||
_mouse_y = _sdl_mouse_y;
|
||||
}
|
||||
|
||||
void SkyState::go()
|
||||
{
|
||||
if (!_dump_file)
|
||||
_dump_file = stdout;
|
||||
|
||||
initialise();
|
||||
|
||||
while (1) {
|
||||
delay(100);
|
||||
}
|
||||
}
|
||||
|
||||
void SkyState::initialise(void)
|
||||
{
|
||||
//initialise_memory();
|
||||
//init_timer();
|
||||
//init_music();
|
||||
initialise_disk();
|
||||
initialise_screen();
|
||||
init_virgin();
|
||||
|
||||
}
|
||||
|
||||
void SkyState::delay(uint amount) //copied and mutilated from Simon.cpp
|
||||
{
|
||||
OSystem::Event event;
|
||||
|
||||
uint32 start = _system->get_msecs();
|
||||
uint32 cur = start;
|
||||
|
||||
_rnd.getRandomNumber(2);
|
||||
|
||||
do {
|
||||
while (_system->poll_event(&event)) {
|
||||
switch (event.event_code) {
|
||||
case OSystem::EVENT_KEYDOWN:
|
||||
// Make sure backspace works right (this fixes a small issue on OS X)
|
||||
if (event.kbd.keycode == 8)
|
||||
_key_pressed = 8;
|
||||
else
|
||||
_key_pressed = (byte)event.kbd.ascii;
|
||||
break;
|
||||
|
||||
case OSystem::EVENT_MOUSEMOVE:
|
||||
_sdl_mouse_x = event.mouse.x;
|
||||
_sdl_mouse_y = event.mouse.y;
|
||||
_mouse_pos_changed = true;
|
||||
break;
|
||||
|
||||
case OSystem::EVENT_LBUTTONDOWN:
|
||||
_left_button_down++;
|
||||
#ifdef _WIN32_WCE
|
||||
_sdl_mouse_x = event.mouse.x;
|
||||
_sdl_mouse_y = event.mouse.y;
|
||||
#endif
|
||||
break;
|
||||
|
||||
case OSystem::EVENT_RBUTTONDOWN:
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (amount == 0)
|
||||
break;
|
||||
|
||||
{
|
||||
uint this_delay = 20; // 1?
|
||||
if (this_delay > amount)
|
||||
this_delay = amount;
|
||||
_system->delay_msecs(this_delay);
|
||||
}
|
||||
cur = _system->get_msecs();
|
||||
} while (cur < start + amount);
|
||||
}
|
||||
|
||||
89
sky/sky.h
Normal file
89
sky/sky.h
Normal file
|
|
@ -0,0 +1,89 @@
|
|||
/* ScummVM - Scumm Interpreter
|
||||
* Copyright (C) 2003 The ScummVM project
|
||||
*
|
||||
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* $Header$
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef SKYMAIN_H
|
||||
#define SKYMAIN_H
|
||||
|
||||
#include <stdio.h>
|
||||
#include "common/engine.h"
|
||||
#include "common/util.h"
|
||||
|
||||
class SkyState : public Engine {
|
||||
public:
|
||||
|
||||
byte _game;
|
||||
byte _key_pressed;
|
||||
|
||||
uint16 _debugMode;
|
||||
uint16 _debugLevel;
|
||||
uint16 _language;
|
||||
uint _mouse_x, _mouse_y;
|
||||
uint _mouse_x_old, _mouse_y_old;
|
||||
bool _mouse_pos_changed;
|
||||
uint _left_button_down;
|
||||
|
||||
uint8 _palette[1024];
|
||||
|
||||
int _num_screen_updates;
|
||||
|
||||
// int _timer_id;
|
||||
|
||||
FILE *_dump_file;
|
||||
|
||||
int _number_of_savegames;
|
||||
|
||||
int _sdl_mouse_x, _sdl_mouse_y;
|
||||
|
||||
byte *_work_screen;
|
||||
byte *_backscreen;
|
||||
byte *_temp_pal;
|
||||
byte *_work_palette;
|
||||
byte *_half_palette;
|
||||
|
||||
byte *_game_grid;
|
||||
|
||||
SkyState(GameDetector *detector, OSystem *syst);
|
||||
virtual ~SkyState();
|
||||
|
||||
void delay(uint amount);
|
||||
void pollMouseXY();
|
||||
void go();
|
||||
void convert_palette(uint8 *inpal, uint8* outpal);
|
||||
|
||||
void initialise();
|
||||
void initialise_disk();
|
||||
void initialise_screen();
|
||||
void set_palette(uint8 *pal);
|
||||
uint16 *load_file(uint16 file_nr, uint8 *dest);
|
||||
uint16 *get_file_info(uint16 file_nr);
|
||||
void init_virgin();
|
||||
void show_screen();
|
||||
|
||||
static int CDECL game_thread_proc(void *param);
|
||||
|
||||
void shutdown();
|
||||
|
||||
RandomSource _rnd;
|
||||
|
||||
|
||||
};
|
||||
|
||||
#endif
|
||||
90
sky/skydefs.h
Normal file
90
sky/skydefs.h
Normal file
|
|
@ -0,0 +1,90 @@
|
|||
/* ScummVM - Scumm Interpreter
|
||||
* Copyright (C) 2003 The ScummVM project
|
||||
*
|
||||
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* $Header$
|
||||
*
|
||||
*/
|
||||
|
||||
#include "struc.h"
|
||||
|
||||
//This file is incomplete, several flags still missing.
|
||||
|
||||
#define key_buffer_size 80
|
||||
#define sequence_count 3
|
||||
|
||||
//screen/grid defines
|
||||
#define game_screen_width 320
|
||||
#define game_screen_height 192
|
||||
#define full_screen_width 320
|
||||
#define full_screen_height 200
|
||||
|
||||
#define tot_no_grids 70
|
||||
|
||||
#define grid_size 120
|
||||
|
||||
#define GRID_X 20
|
||||
#define GRID_Y 24
|
||||
#define GRID_W 16
|
||||
#define GRID_H 8
|
||||
|
||||
#define GRID_W_SHIFT 4
|
||||
#define GRID_H_SHIFT 3
|
||||
|
||||
#define top_left_x 128
|
||||
#define top_left_y 136
|
||||
|
||||
//item list defines
|
||||
#define section_0_item 119
|
||||
|
||||
#define c_base_mode 0
|
||||
#define c_base_mode56 56
|
||||
#define c_action_mode 4
|
||||
#define c_sp_colour 90
|
||||
#define c_mega_set 112
|
||||
#define c_grid_width 114
|
||||
|
||||
//#define next_mega_set
|
||||
|
||||
#define send_sync -1
|
||||
#define lf_start_fx -2
|
||||
#define safe_start_screen 0
|
||||
|
||||
//autoroute defines
|
||||
#define upy 0
|
||||
#define downy 1
|
||||
#define lefty 2
|
||||
#define righty 3
|
||||
|
||||
#define route_space 64
|
||||
|
||||
#define l_script 1
|
||||
#define l_ar 2
|
||||
#define l_ar_anim 3
|
||||
#define l_ar_turning 4
|
||||
#define l_alt 5
|
||||
#define l_mod_animate 6
|
||||
#define l_turning 7
|
||||
#define l_cursor 8
|
||||
#define l_talk 9
|
||||
#define l_listen 10
|
||||
#define l_stopped 11
|
||||
#define l_choose 12
|
||||
#define l_frames 13
|
||||
#define l_pause 14
|
||||
#define l_wait_synch 15
|
||||
#define l_simple_mod 16
|
||||
|
||||
38
sky/struc.h
Normal file
38
sky/struc.h
Normal file
|
|
@ -0,0 +1,38 @@
|
|||
/* ScummVM - Scumm Interpreter
|
||||
* Copyright (C) 2003 The ScummVM project
|
||||
*
|
||||
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* $Header$
|
||||
*
|
||||
*/
|
||||
|
||||
typedef struct s
|
||||
{
|
||||
uint16 flag; // bit 0: set for colour data, clear for not
|
||||
// bit 1: set for compressed, clear for uncompressed
|
||||
// bit 2: set for 32 colours, clear for 16 colours
|
||||
uint16 s_x;
|
||||
uint16 s_y;
|
||||
uint16 s_width;
|
||||
uint16 s_height;
|
||||
uint16 s_sp_size;
|
||||
uint16 s_tot_size;
|
||||
uint16 s_n_sprites;
|
||||
uint16 s_offset_x;
|
||||
uint16 s_offset_y;
|
||||
uint16 s_compressed_size;
|
||||
}s;
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue