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170 lines
6.1 KiB
C
170 lines
6.1 KiB
C
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/***************************************************************************
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versions.h Copyright (C) 1999,2000,01 Christoph Reichenbach
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This program may be modified and copied freely according to the terms of
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the GNU general public license (GPL), as long as the above copyright
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notice and the licensing information contained herein are preserved.
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Please refer to www.gnu.org for licensing details.
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This work is provided AS IS, without warranty of any kind, expressed or
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implied, including but not limited to the warranties of merchantibility,
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noninfringement, and fitness for a specific purpose. The author will not
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be held liable for any damage caused by this work or derivatives of it.
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By using this source code, you agree to the licensing terms as stated
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above.
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Please contact the maintainer for bug reports or inquiries.
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Current Maintainer:
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Christoph Reichenbach (CJR) [jameson@linuxgames.com]
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***************************************************************************/
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/* Versions management */
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#ifndef _SCI_VERSIONS_H_
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#define _SCI_VERSIONS_H_
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#include "sci/include/scitypes.h"
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struct _state;
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#define SCI_VERSION(_major_, _minor_, _patchlevel_) (((_major_)<<20) | ((_minor_)<<10) | _patchlevel_)
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/* This allows version numbers to be compared directly */
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#define SCI_VERSION_MAJOR(_version_) ((_version_) >> 20)
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#define SCI_VERSION_MINOR(_version_) (((_version_) >> 10) & 0x3ff)
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#define SCI_VERSION_PATCHLEVEL(_version_) ((_version_) & 0x3ff)
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#define SCI_VERSION_IGNORE_PATCHLEVEL(_version_) ((_version) & ~0x3ff)
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/* Version number guide:
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** - Always use the version number of the first known version to have a special feature.
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** - Don't assume that special feature changes are linked just because they appeared to change
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** simultaneously.
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** - Put all the magic version numbers here, into THIS file.
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** - "FTU" means "First To Use"
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*/
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#define SCI_VERSION_LAST_SCI0 SCI_VERSION(0,000,685)
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#define SCI_VERSION_DEFAULT_SCI0 SCI_VERSION_LAST_SCI0
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/* AFAIK this is the last published SCI0 version */
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#define SCI_VERSION_DEFAULT_SCI01 SCI_VERSION(1,000,72)
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/* The version used by my implementation of QfG2 */
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#define SCI_VERSION_FTU_CENTERED_TEXT_AS_DEFAULT SCI_VERSION(0,000,629)
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/* Last version known not to do this: 0.000.502 */
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#define SCI_VERSION_FTU_NEW_GETTIME SCI_VERSION(0,000,629)
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/* These versions of SCI has a different set of subfunctions in GetTime() */
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#define SCI_VERSION_FTU_NEWER_DRAWPIC_PARAMETERS SCI_VERSION(0,000,502)
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/* Last version known not to do this: 0.000.435
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** Old SCI versions used to interpret the third DrawPic() parameter inversely,
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** with the opposite default value (obviously)
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*/
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#define SCI_VERSION_FTU_PRIORITY_14_ZONES SCI_VERSION(0,000,502)
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/* Last version known to do this: 0.000.490
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* Uses 14 zones from 42 to 190 instead of 15 zones from 42 to 200.
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*/
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#define SCI_VERSION_FTU_NEW_SCRIPT_HEADER SCI_VERSION(0,000,395)
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/* Last version known not to do this: 0.000.343
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** Old SCI versions used two word header for script blocks (first word equal
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** to 0x82, meaning of the second one unknown). New SCI versions used one
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** word header.
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*/
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#define SCI_VERSION_LTU_BASE_OB1 SCI_VERSION(0,000,256)
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/* First version version known not to have this bug: ?
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** When doing CanBeHere(), augment y offset by 1
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*/
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#define SCI_VERSION_FTU_2ND_ANGLES SCI_VERSION(0,000,395)
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/* Last version known not to use this: ?
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** Earlier versions assign 120 degrees to left & right , and 60 to up and down.
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** Later versions use an even 90 degree distribution.
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*/
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#define SCI_VERSION_RESUME_SUSPENDED_SONG SCI_VERSION(0,000,490)
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/* First version (PQ2-new) known to use the different song resumption
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mechanism -- When a new song is initialized, we store its state and
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resume it when the new one finishes. Older versions completely
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clobbered the old songs.
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*/
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#define SCI_VERSION_FTU_INVERSE_CANBEHERE SCI_VERSION(1,000,510)
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/* FIXME: This shouldn't be a version number.
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* But it'll do for now.
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*/
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#define SCI_VERSION_FTU_LOFS_ABSOLUTE SCI_VERSION(1,000,200)
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/* First version known to do this: ?
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In later versions (SCI1 and beyond), the argument of lofs[as]
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instructions is absolute rather than relative.
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*/
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#define SCI_VERSION_FTU_DISPLAY_COORDS_FUZZY SCI_VERSION(1,000,510)
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/* First version known to do this: ?
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In later versions of SCI1 kDisplay(), if the text would not fit on
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the screen, the text is moved to the left and upwards until it
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fits.
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*/
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#define SCI_VERSION_FTU_DOSOUND_VARIANT_1 SCI_VERSION(1,000,000)
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#define SCI_VERSION_FTU_DOSOUND_VARIANT_2 SCI_VERSION(1,000,510)
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typedef int sci_version_t;
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struct _state;
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void
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version_require_earlier_than(struct _state *s, sci_version_t version);
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/* Function used in autodetection
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** Parameters: (state_t *) s: state_t containing the version
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** (sci_version_t) version: The version that we're earlier than
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*/
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void
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version_require_later_than(struct _state *s, sci_version_t version);
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/* Function used in autodetection (read this function "version_require_later_than_or_equal_to")
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** Parameters: (state_t *) s: state_t containing the version
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** (sci_version_t) version: The version that we're later than
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*/
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int
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version_parse(char *vn, sci_version_t *result);
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/* Parse a string containing an SCI version number
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** Parameters: (char *) vn: The string to parse
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** Returns : (int) 0 on success, 1 on failure
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** (sci_version_t) *result: The resulting version number on success
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*/
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int
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version_detect_from_executable(sci_version_t *result);
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/* Try to detect version from Sierra executable in cwd
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** Returns : (int) 0 on success, 1 on failure
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** (sci_version_t) *result: The version number detected on success
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*/
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const char *
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version_guess_from_hashcode(sci_version_t *result, int *res_version, guint32 *code);
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/* Try to detect version from Sierra resource file(s) in cwd
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** Returns : (const char *) NULL on failure, the name of the associated game otherwise
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** (sci_version_t) *result: The version number detected on success
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** (int) *res_version: The resource version number detected on success
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** (guint32) *code: The resource hash code
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*/
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#endif /* !_SCI_VERSIONS_H_ */
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