[Scummvm-cvs-logs] CVS: scummvm/sky disk.cpp,NONE,1.1 intro.cpp,NONE,1.1 rnc_deco.cpp,NONE,1.1 screen.cpp,NONE,1.1 sky.cpp,NONE,1.1 sky.h,NONE,1.1 skydefs.h,NONE,1.1 struc.h,NONE,1.1
Max Horn
fingolfin at users.sourceforge.net
Wed Mar 5 11:05:14 CET 2003
Update of /cvsroot/scummvm/scummvm/sky
In directory sc8-pr-cvs1:/tmp/cvs-serv29862/sky
Added Files:
disk.cpp intro.cpp rnc_deco.cpp screen.cpp sky.cpp sky.h
skydefs.h struc.h
Log Message:
Patch #697312: Beneath a Steel Sky interim/initial support patch
--- NEW FILE: disk.cpp ---
/* 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: /cvsroot/scummvm/scummvm/sky/disk.cpp,v 1.1 2003/03/05 19:04:32 fingolfin Exp $
*
*/
#include "common/scummsys.h"
#include "common/engine.h"
#include "common/file.h"
#include "sky/skydefs.h"
#include "sky/sky.h"
#define no_of_files_hd 1600
#define no_of_files_cd 5200
#define max_files_in_list 60
extern uint16 UnpackM1(void *, void *, uint16);
const char *data_file_name = "sky.dsk";
const char *dinner_file_name = "sky.dnr";
uint8 *dinner_table_area, *fixed_dest, *file_dest, *comp_dest;
uint32 dinner_table_size, file_flags, file_offset, file_size, decomp_size, comp_file;
uint16 build_list[max_files_in_list];
uint32 loaded_file_list[max_files_in_list];
File *data_disk_handle = new File();
File *dnr_handle = new File();
void SkyState::initialise_disk()
{
uint32 entries_read;
dnr_handle->open(dinner_file_name, _gameDataPath);
if (dnr_handle->isOpen() == false)
error("Could not open %s%s!\n", _gameDataPath, dinner_file_name);
if (!(dinner_table_size = dnr_handle->readUint32LE()))
error("Error reading from sky.dnr!\n"); //even though it was opened correctly?!
debug(1, "Entries in dinner table: %d", dinner_table_size);
dinner_table_area = (uint8 *)malloc(dinner_table_size*8);
entries_read = dnr_handle->read(dinner_table_area, 8*dinner_table_size) / 8;
if (entries_read != dinner_table_size)
warning("bytes_read != dinner_table_entries. [%d/%d]\n", entries_read, dinner_table_size);
data_disk_handle->open(data_file_name, _gameDataPath);
if (data_disk_handle->isOpen() == false)
error("Error opening %s%s!\n", _gameDataPath, data_file_name);
}
//load in file file_nr to address dest
//if dest == NULL, then allocate memory for this file
uint16 *SkyState::load_file(uint16 file_nr, uint8 *dest)
{
uint8 cflag;
uint32 eax, ecx;
int32 bytes_read;
uint8 *file_ptr, *esiptr, *ediptr;
s file_header;
#ifdef file_order_chk
warning("File order checking not implemented yet!\n");
#endif
comp_file = file_nr;
debug(1, "load file %d,%d (%d)", (file_nr>>11), (file_nr&2047), file_nr);
file_ptr = (uint8 *)get_file_info(file_nr);
if (file_ptr == NULL) {
printf("File %d not found!\n", file_nr);
return NULL;
}
eax = READ_LE_UINT32((file_ptr+5));
file_flags = eax;
eax &= 0x03fffff;
file_size = eax;
ecx = READ_LE_UINT32((file_ptr+2));
ecx &= 0x0ffffff;
cflag = (uint8)((ecx >> (23)) & 0x1);
ecx = (((1 << (23)) ^ 0xFFFFFFFF) & ecx);
if (cflag)
ecx = ecx << 4;
file_offset = ecx;
fixed_dest = dest;
file_dest = dest;
comp_dest = dest;
if (dest == NULL) //we need to allocate memory for this file
file_dest = (uint8 *)malloc(eax);
data_disk_handle->seek(file_offset, SEEK_SET);
#ifdef file_order_chk
warning("File order checking not implemented yet!\n");
#endif
//now read in the data
bytes_read = data_disk_handle->read(file_dest, 1*file_size);
if (bytes_read != (int32)file_size)
printf("ERROR: Unable to read %d bytes from datadisk (%d bytes read)\n", file_size, bytes_read);
cflag = (uint8)((file_flags >> (23)) & 0x1);
//if cflag == 0 then file is compressed, 1 == uncompressed
if (!cflag)
{
debug(1, "File is compressed...");
memcpy(&file_header, file_dest, sizeof(struct s));
if ( (uint8)((FROM_LE_16(file_header.flag) >> 7) & 0x1) ) {
debug(1, "with RNC!");
eax = FROM_LE_16(file_header.flag);
eax &= 0xFFFFFF00; //clear al
eax = eax << 8;
eax |= FROM_LE_16((uint16)file_header.s_tot_size);
decomp_size = eax;
if (fixed_dest == NULL) // is this valid?
comp_dest = (uint8 *)malloc(eax);
esiptr = file_dest;
ediptr = comp_dest;
if ( (uint8)(file_flags >> (22) & 0x1) ) //do we include the header?
esiptr += sizeof(struct s);
else {
memcpy(ediptr, esiptr, sizeof(struct s));
esiptr += sizeof(struct s);
ediptr += sizeof(struct s);
}
eax = UnpackM1(esiptr, ediptr, 0);
debug(2, "UnpackM1 returned: %d", eax);
if (eax == 0) { //Unpack returned 0: file was probably not packed.
if (fixed_dest == NULL)
free(comp_dest);
return (uint16 *)file_dest;
}
if (! (uint8)(file_flags >> (22) & 0x1) ) { //include header?
eax += sizeof(struct s);
if (eax != decomp_size)
{
debug(1, "ERROR: invalid decomp size! (was: %d, should be: %d)", eax, decomp_size);
}
}
if (fixed_dest == NULL)
free(file_dest);
}
else
debug(1, "but not with RNC! (?!)");
}
else
return (uint16 *)file_dest;
return (uint16 *)comp_dest;
}
uint16 *SkyState::get_file_info(uint16 file_nr)
{
uint16 i;
uint16 *dnr_tbl_16_ptr = (uint16 *)dinner_table_area;
for (i = 0; i < dinner_table_size/2; i++)
{
if (READ_LE_UINT16(dnr_tbl_16_ptr+(i*4)) == file_nr)
{
debug(1, "file %d found!", file_nr);
return (dnr_tbl_16_ptr+(i*4));
}
}
//if file is speech file then return NULL if not found
printf("get_file_info() - speech file support not implemented yet!\n");
return (uint16 *)NULL;
}
--- NEW FILE: intro.cpp ---
/* 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: /cvsroot/scummvm/scummvm/sky/intro.cpp,v 1.1 2003/03/05 19:04:33 fingolfin Exp $
*
*/
#include <string.h>
#include "common/scummsys.h"
#include "sky/skydefs.h"
#include "sky/sky.h"
#define intro_text_width 128
#define fn_a_pal 60080
#define fn_1a_log 60081
#define fn_1a 60082
#define fn_1b 60083
#define fn_1c 60084
#define fn_1d 60085
#define fn_1e 60086
#define fn_4a 60087
#define fn_4b_log 60088
#define fn_4b 60089
#define fn_4c_log 60090
#define fn_4c 60091
#define fn_5_pal 60092
#define fn_5_log 60093
#define fn_5 60094
#define fn_6_pal 60095
#define fn_6_log 60096
#define fn_6a 60097
#define fn_6b 60098
#ifdef short_intro_start
#define virgin_time_1 3
#define viring_time_2 3
#define rev_time 8
#define gibb_time 6
#else
#define virgin_time_1 (3*50)
#define virgin_time_2 ((3*50)+8)
#define rev_time ((8*50)+8)
#define gibb_time ((6*50)+8)
#endif
void prepare_text(void);
void show_intro_text(void);
void remove_text(void);
void intro_fx(void);
void intro_vol(void);
uint8 *seq1a_data;
uint8 *seq1b_data;
uint8 *seq1c_data;
uint8 *seq1d_data;
uint8 *seq1e_data;
uint8 *seq4a_data;
uint8 *seq4b_data;
uint8 *seq4c_data;
uint8 *seq5_data;
uint8 *seq6a_data;
uint8 *seq6b_data;
uint8 *vga_data;
uint8 *diff_data;
uint8 *work_base;
uint8 *work_screen;
uint8 *work_screen_end;
uint8 *intro_text_space; //space for storing text messages
uint8 *intro_text_save; //save screen data here
uint8 *vga_pointer;
uint8 *diff_pointer;
uint32 no_frames; //number of frames in scrolling intro
uint32 frame_counter;
#define ic_prepare_text 0
#define ic_show_text 1
#define ic_remove_text 2
#define ic_make_sound 3
#define ic_fx_volume 4
typedef void (*pfc)(void);
pfc command_routines[] = { &prepare_text, &show_intro_text, &remove_text, &intro_fx, &intro_vol };
uint32 cockpit_commands[] =
{
1000, //do straight away
ic_prepare_text,
77,
220,
ic_show_text, //radar detects jamming signal
20,
160,
105,
ic_remove_text,
81,
105,
ic_show_text, //well switch to override you fool
170,
86,
35,
ic_remove_text,
35,
ic_prepare_text,
477,
35,
ic_show_text,
30,
160,
3,
ic_remove_text
};
uint32 zero_commands[] = { 0 };
uint32 anim5_commands[] =
{
31,
ic_make_sound,
2,
127,
0
};
uint32 anim4a_commands[] =
{
136,
ic_make_sound,
1,
70,
90,
ic_fx_volume,
80,
50,
ic_fx_volume,
90,
5,
ic_fx_volume,
100,
0
};
uint32 anim4c_commands[] =
{
1000,
ic_fx_volume,
100,
25,
ic_fx_volume,
110,
15,
ic_fx_volume,
120,
4,
ic_fx_volume,
127,
0
};
uint32 anim6a_commands[] =
{
1000,
ic_prepare_text,
478,
13,
ic_show_text,
175,
155,
0
};
uint32 anim6b_commands[] =
{
131,
ic_remove_text,
131,
ic_prepare_text,
479,
74,
ic_show_text,
175,
155,
45,
ic_remove_text,
45,
ic_prepare_text,
162,
44,
ic_show_text,
175,
155,
4,
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)
{
}
--- NEW FILE: rnc_deco.cpp ---
/* 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: /cvsroot/scummvm/scummvm/sky/rnc_deco.cpp,v 1.1 2003/03/05 19:04:33 fingolfin Exp $
*
*/
#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;
}
--- NEW FILE: screen.cpp ---
/* 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: /cvsroot/scummvm/scummvm/sky/screen.cpp,v 1.1 2003/03/05 19:04:34 fingolfin Exp $
*
*/
#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;
}
}
--- NEW FILE: sky.cpp ---
/* 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: /cvsroot/scummvm/scummvm/sky/sky.cpp,v 1.1 2003/03/05 19:04:34 fingolfin Exp $
*
*/
#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);
}
--- NEW FILE: sky.h ---
/* 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: /cvsroot/scummvm/scummvm/sky/sky.h,v 1.1 2003/03/05 19:04:34 fingolfin Exp $
*
*/
#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
--- NEW FILE: skydefs.h ---
/* 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: /cvsroot/scummvm/scummvm/sky/skydefs.h,v 1.1 2003/03/05 19:04:34 fingolfin Exp $
*
*/
#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
--- NEW FILE: struc.h ---
/* 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: /cvsroot/scummvm/scummvm/sky/struc.h,v 1.1 2003/03/05 19:04:34 fingolfin Exp $
*
*/
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;
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