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|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
// Resource manager core part
// FIXME/TODO: The name "(Graphics) resource manager", and the associated
// filenames, are misleading. This should be renamed to "Graphics manager"
// or something like that.
#include "sci/gfx/gfx_resource.h"
#include "sci/gfx/gfx_tools.h"
#include "sci/gfx/gfx_driver.h"
#include "sci/gfx/gfx_resmgr.h"
#include "sci/gfx/gfx_state_internal.h"
#include "sci/gfx/font.h"
#include "common/system.h"
namespace Sci {
// Invalid hash mode: Used to invalidate modified pics
#define MODE_INVALID -1
struct param_struct {
int args[4];
gfx_driver_t *driver;
};
#define DRAW_PIC01(pic, picStyle, isSci1) \
gfxr_draw_pic01((pic), flags, default_palette, res->size, res->data, (picStyle), res->id, (isSci1), state->static_palette);
#define DRAW_PIC11(pic, picStyle) \
gfxr_draw_pic11((pic), flags, default_palette, res->size, res->data, (picStyle), res->id, state->static_palette);
/* Calculate a picture
** Parameters: (gfx_resstate_t *) state: The resource state, containing options and version information
** (gfxr_pic_t *) scaled_pic: The pic structure that is to be written to
** (gfxr_pic_t *) unscaled_pic: The pic structure the unscaled pic is to be written to,
** or NULL if it isn't needed.
** (int) flags: Pic drawing flags (interpreter dependant)
** (int) default_palette: The default palette to use for pic drawing (interpreter dependant)
** (int) nr: pic resource number
** Returns : (int) GFX_ERROR if the resource could not be found, GFX_OK otherwise
*/
int calculatePic(gfx_resstate_t *state, gfxr_pic_t *scaled_pic, gfxr_pic_t *unscaled_pic, int flags, int default_palette, int nr) {
Resource *res = state->resManager->findResource(kResourceTypePic, nr, 0);
int need_unscaled = unscaled_pic != NULL;
gfxr_pic0_params_t style, basic_style;
basic_style.line_mode = GFX_LINE_MODE_CORRECT;
basic_style.brush_mode = GFX_BRUSH_MODE_SCALED;
basic_style.pic_port_bounds = state->options->pic_port_bounds;
style.line_mode = state->options->pic0_line_mode;
style.brush_mode = state->options->pic0_brush_mode;
style.pic_port_bounds = state->options->pic_port_bounds;
if (!res || !res->data)
return GFX_ERROR;
if (need_unscaled) {
if (state->version == SCI_VERSION_1_1)
DRAW_PIC11(unscaled_pic, &basic_style)
else
DRAW_PIC01(unscaled_pic, &basic_style, state->version >= SCI_VERSION_01_VGA)
}
if (scaled_pic && scaled_pic->undithered_buffer)
memcpy(scaled_pic->visual_map->index_data, scaled_pic->undithered_buffer, scaled_pic->undithered_buffer_size);
if (state->version == SCI_VERSION_1_1)
DRAW_PIC11(scaled_pic, &style)
else
DRAW_PIC01(scaled_pic, &style, state->version >= SCI_VERSION_01_VGA)
if (state->version < SCI_VERSION_01_VGA) {
if (need_unscaled)
gfxr_remove_artifacts_pic0(scaled_pic, unscaled_pic);
if (!scaled_pic->undithered_buffer)
scaled_pic->undithered_buffer = sci_malloc(scaled_pic->undithered_buffer_size);
memcpy(scaled_pic->undithered_buffer, scaled_pic->visual_map->index_data, scaled_pic->undithered_buffer_size);
gfxr_dither_pic0(scaled_pic, state->options->pic0_dither_mode, state->options->pic0_dither_pattern);
}
// Mark default palettes
if (scaled_pic)
scaled_pic->visual_map->loop = default_palette;
if (unscaled_pic)
unscaled_pic->visual_map->loop = default_palette;
return GFX_OK;
}
gfx_resstate_t *gfxr_new_resource_manager(int version, gfx_options_t *options, gfx_driver_t *driver, ResourceManager *resManager) {
gfx_resstate_t *state = new gfx_resstate_t();
state->version = version;
state->options = options;
state->driver = driver;
state->resManager = resManager;
state->static_palette = 0;
state->tag_lock_counter = state->lock_counter = 0;
return state;
}
int GfxResManager::getOptionsHash(gfx_resource_type_t type) {
switch (type) {
case GFX_RESOURCE_TYPE_VIEW:
// This should never happen
error("getOptionsHash called on a VIEW resource");
case GFX_RESOURCE_TYPE_PIC:
if (_state->version >= SCI_VERSION_01_VGA)
return _state->options->pic_port_bounds.y;
else
return (_state->options->pic0_unscaled) ? 0x10000 : (_state->options->pic0_dither_mode << 12)
| (_state->options->pic0_dither_pattern << 8) | (_state->options->pic0_brush_mode << 4)
| (_state->options->pic0_line_mode);
case GFX_RESOURCE_TYPE_FONT:
case GFX_RESOURCE_TYPE_CURSOR:
return 0;
case GFX_RESOURCE_TYPES_NR:
default:
GFXERROR("Invalid resource type: %d\n", type);
return -1;
}
}
#define FREEALL(freecmd, type) \
if (resource->scaled_data.type) \
freecmd(resource->scaled_data.type); \
resource->scaled_data.type = NULL; \
if (resource->unscaled_data.type) \
freecmd(resource->unscaled_data.type); \
resource->unscaled_data.type = NULL;
void gfxr_free_resource(gfx_resource_t *resource, int type) {
if (!resource)
return;
switch (type) {
case GFX_RESOURCE_TYPE_VIEW:
FREEALL(gfxr_free_view, view);
break;
case GFX_RESOURCE_TYPE_PIC:
FREEALL(gfxr_free_pic, pic);
break;
case GFX_RESOURCE_TYPE_FONT:
FREEALL(gfxr_free_font, font);
break;
case GFX_RESOURCE_TYPE_CURSOR:
FREEALL(gfx_free_pixmap, pointer);
break;
default:
GFXWARN("Attempt to free invalid resource type %d\n", type);
}
free(resource);
}
void GfxResManager::freeAllResources() {
for (int type = 0; type < GFX_RESOURCE_TYPES_NR; ++type) {
for (IntResMap::iterator iter = _state->_resourceMaps[type].begin(); iter != _state->_resourceMaps[type].end(); ++iter) {
gfxr_free_resource(iter->_value, type);
iter->_value = 0;
}
}
}
void GfxResManager::freeResManager() {
freeAllResources();
delete _state;
}
void GfxResManager::freeTaggedResources() {
// Current heuristics: free tagged views and old pics
IntResMap::iterator iter;
int type;
const int tmp = _state->tag_lock_counter;
type = GFX_RESOURCE_TYPE_VIEW;
for (iter = _state->_resourceMaps[type].begin(); iter != _state->_resourceMaps[type].end(); ++iter) {
gfx_resource_t *resource = iter->_value;
if (resource) {
if (resource->lock_sequence_nr < tmp) {
gfxr_free_resource(resource, type);
iter->_value = 0;
} else {
resource->lock_sequence_nr = 0;
}
}
}
type = GFX_RESOURCE_TYPE_PIC;
for (iter = _state->_resourceMaps[type].begin(); iter != _state->_resourceMaps[type].end(); ++iter) {
gfx_resource_t *resource = iter->_value;
if (resource) {
if (resource->lock_sequence_nr < 0) {
gfxr_free_resource(resource, type);
iter->_value = 0;
} else {
resource->lock_sequence_nr--;
}
}
}
_state->tag_lock_counter = 0;
}
#define XLATE_AS_APPROPRIATE(key, entry) \
if (maps & key) { \
if (res->unscaled_data.pic&& (force || !res->unscaled_data.pic->entry->data)) { \
if (key == GFX_MASK_VISUAL) \
gfx_get_res_config(options, res->unscaled_data.pic->entry); \
gfx_xlate_pixmap(res->unscaled_data.pic->entry, mode, filter); \
} if (scaled && res->scaled_data.pic && (force || !res->scaled_data.pic->entry->data)) { \
if (key == GFX_MASK_VISUAL) \
gfx_get_res_config(options, res->scaled_data.pic->entry); \
gfx_xlate_pixmap(res->scaled_data.pic->entry, mode, filter); \
} \
}
static gfxr_pic_t *gfxr_pic_xlate_common(gfx_resource_t *res, int maps, int scaled, int force, gfx_mode_t *mode,
gfx_xlate_filter_t filter, int endianize, gfx_options_t *options) {
XLATE_AS_APPROPRIATE(GFX_MASK_VISUAL, visual_map);
XLATE_AS_APPROPRIATE(GFX_MASK_PRIORITY, priority_map);
XLATE_AS_APPROPRIATE(GFX_MASK_CONTROL, control_map);
if (endianize && (maps & GFX_MASK_VISUAL) && res->scaled_data.pic->visual_map)
gfxr_endianness_adjust(res->scaled_data.pic->visual_map, mode);
return scaled ? res->scaled_data.pic : res->unscaled_data.pic;
}
#undef XLATE_AS_APPROPRIATE
gfxr_pic_t *GfxResManager::getPic(int num, int maps, int flags, int default_palette, bool scaled) {
gfxr_pic_t *npic = NULL;
IntResMap &resMap = _state->_resourceMaps[GFX_RESOURCE_TYPE_PIC];
gfx_resource_t *res = NULL;
int hash = getOptionsHash(GFX_RESOURCE_TYPE_PIC);
int must_post_process_pic = 0;
int need_unscaled = (_state->driver->mode->xfact != 1 || _state->driver->mode->yfact != 1);
hash |= (flags << 20) | ((default_palette & 0x7) << 28);
res = resMap.contains(num) ? resMap[num] : NULL;
if (!res || res->mode != hash) {
gfxr_pic_t *pic;
gfxr_pic_t *unscaled_pic = NULL;
if (_state->options->pic0_unscaled) {
need_unscaled = 0;
pic = gfxr_init_pic(&mode_1x1_color_index, GFXR_RES_ID(GFX_RESOURCE_TYPE_PIC, num), _state->version >= SCI_VERSION_01_VGA);
} else
pic = gfxr_init_pic(_state->driver->mode, GFXR_RES_ID(GFX_RESOURCE_TYPE_PIC, num), _state->version >= SCI_VERSION_01_VGA);
if (!pic) {
GFXERROR("Failed to allocate scaled pic!\n");
return NULL;
}
gfxr_clear_pic0(pic, SCI_TITLEBAR_SIZE);
if (need_unscaled) {
unscaled_pic = gfxr_init_pic(&mode_1x1_color_index, GFXR_RES_ID(GFX_RESOURCE_TYPE_PIC, num), _state->version >= SCI_VERSION_01_VGA);
if (!unscaled_pic) {
GFXERROR("Failed to allocate unscaled pic!\n");
return NULL;
}
gfxr_clear_pic0(pic, SCI_TITLEBAR_SIZE);
}
if (calculatePic(_state, pic, unscaled_pic, flags, default_palette, num)) {
gfxr_free_pic(pic);
if (unscaled_pic)
gfxr_free_pic(unscaled_pic);
return NULL;
}
if (!res) {
res = (gfx_resource_t *)sci_malloc(sizeof(gfx_resource_t));
res->ID = GFXR_RES_ID(GFX_RESOURCE_TYPE_PIC, num);
res->lock_sequence_nr = _state->options->buffer_pics_nr;
resMap[num] = res;
} else {
gfxr_free_pic(res->scaled_data.pic);
if (res->unscaled_data.pic)
gfxr_free_pic(res->unscaled_data.pic);
}
res->mode = hash;
res->scaled_data.pic = pic;
res->unscaled_data.pic = unscaled_pic;
} else {
res->lock_sequence_nr = _state->options->buffer_pics_nr; // Update lock counter
}
must_post_process_pic = res->scaled_data.pic->visual_map->data == NULL;
// If the pic was only just drawn, we'll have to endianness-adjust it now
npic = gfxr_pic_xlate_common(res, maps, scaled || _state->options->pic0_unscaled, 0, _state->driver->mode,
_state->options->pic_xlate_filter, 0, _state->options);
if (must_post_process_pic) {
gfxr_endianness_adjust(npic->visual_map, _state->driver->mode);
}
return npic;
}
static void set_pic_id(gfx_resource_t *res, int id) {
if (res->scaled_data.pic) {
gfxr_pic_t *pic = res->scaled_data.pic;
pic->control_map->ID = id;
pic->priority_map->ID = id;
pic->visual_map->ID = id;
}
if (res->unscaled_data.pic) {
gfxr_pic_t *pic = res->unscaled_data.pic;
pic->control_map->ID = id;
pic->priority_map->ID = id;
pic->visual_map->ID = id;
}
}
static int get_pic_id(gfx_resource_t *res) {
if (res->scaled_data.pic)
return res->scaled_data.pic->visual_map->ID;
else
return res->unscaled_data.pic->visual_map->ID;
}
static void _gfxr_unscale_pixmap_index_data(gfx_pixmap_t *pxm, gfx_mode_t *mode) {
int xmod = mode->xfact; // Step size horizontally
int ymod = pxm->index_width * mode->yfact; // Vertical step size
int maxpos = pxm->index_width * pxm->index_height;
int pos;
byte *dest = pxm->index_data;
if (!(pxm->flags & GFX_PIXMAP_FLAG_SCALED_INDEX))
return; // It's not scaled!
for (pos = 0; pos < maxpos; pos += ymod) {
int c;
for (c = 0; c < pxm->index_width; c += xmod)
*dest++ = pxm->index_data[pos + c];
// No overwrite since line and offset readers move much faster (proof by in-duction, trivial
// and left to the reader)
}
pxm->index_width /= mode->xfact;
pxm->index_height /= mode->yfact;
pxm->flags &= ~GFX_PIXMAP_FLAG_SCALED_INDEX;
}
gfxr_pic_t *GfxResManager::addToPic(int old_nr, int new_nr, int flags, int old_default_palette, int default_palette) {
IntResMap &resMap = _state->_resourceMaps[GFX_RESOURCE_TYPE_PIC];
gfxr_pic_t *pic = NULL;
gfx_resource_t *res = NULL;
int hash = getOptionsHash(GFX_RESOURCE_TYPE_PIC);
int need_unscaled = !(_state->options->pic0_unscaled) && (_state->driver->mode->xfact != 1 || _state->driver->mode->yfact != 1);
res = resMap.contains(old_nr) ? resMap[old_nr] : NULL;
if (!res || (res->mode != MODE_INVALID && res->mode != hash)) {
// FIXME: the initialization of the GFX resource manager should
// be pushed up, and it shouldn't occur here
GfxResManager *_gfx = new GfxResManager(_state);
_gfx->getPic(old_nr, 0, flags, old_default_palette, 1);
delete _gfx;
res = resMap.contains(old_nr) ? resMap[old_nr] : NULL;
if (!res) {
GFXWARN("Attempt to add pic %d to non-existing pic %d\n", new_nr, old_nr);
return NULL;
}
}
if (_state->options->pic0_unscaled) // Unscale priority map, if we scaled it earlier
_gfxr_unscale_pixmap_index_data(res->scaled_data.pic->priority_map, _state->driver->mode);
// The following two operations are needed when returning scaled maps (which is always the case here)
res->lock_sequence_nr = _state->options->buffer_pics_nr;
calculatePic(_state, res->scaled_data.pic, need_unscaled ? res->unscaled_data.pic : NULL,
flags | DRAWPIC01_FLAG_OVERLAID_PIC, default_palette, new_nr);
res->mode = MODE_INVALID; // Invalidate
if (_state->options->pic0_unscaled) // Scale priority map again, if needed
res->scaled_data.pic->priority_map = gfx_pixmap_scale_index_data(res->scaled_data.pic->priority_map, _state->driver->mode);
{
int old_ID = get_pic_id(res);
set_pic_id(res, GFXR_RES_ID(GFX_RESOURCE_TYPE_PIC, new_nr)); // To ensure that our graphical translation optoins work properly
pic = gfxr_pic_xlate_common(res, GFX_MASK_VISUAL, 1, 1, _state->driver->mode, _state->options->pic_xlate_filter, 1, _state->options);
set_pic_id(res, old_ID);
}
return pic;
}
gfxr_view_t *gfxr_draw_view11(int id, byte *resource, int size);
gfxr_view_t *GfxResManager::getView(int nr, int *loop, int *cel, int palette) {
IntResMap &resMap = _state->_resourceMaps[GFX_RESOURCE_TYPE_VIEW];
gfx_resource_t *res = NULL;
int hash = palette;
gfxr_view_t *view = NULL;
gfxr_loop_t *loop_data = NULL;
gfx_pixmap_t *cel_data = NULL;
res = resMap.contains(nr) ? resMap[nr] : NULL;
if (!res || res->mode != hash) {
Resource *viewRes = _state->resManager->findResource(kResourceTypeView, nr, 0);
if (!viewRes || !viewRes->data)
return NULL;
int resid = GFXR_RES_ID(GFX_RESOURCE_TYPE_VIEW, nr);
if (_state->version < SCI_VERSION_01)
view = gfxr_draw_view0(resid, viewRes->data, viewRes->size, -1);
else if (_state->version == SCI_VERSION_01)
view = gfxr_draw_view0(resid, viewRes->data, viewRes->size, palette);
else if (_state->version >= SCI_VERSION_01_VGA && _state->version <= SCI_VERSION_1_LATE)
view = gfxr_draw_view1(resid, viewRes->data, viewRes->size, _state->static_palette);
else if (_state->version >= SCI_VERSION_1_1)
view = gfxr_draw_view11(resid, viewRes->data, viewRes->size);
if (_state->version >= SCI_VERSION_01_VGA) {
if (!view->palette) {
view->palette = new Palette(_state->static_palette->size());
view->palette->name = "interpreter_get_view";
}
// Palettize view
for (unsigned i = 0; i < MIN(view->palette->size(), _state->static_palette->size()); i++) {
const PaletteEntry& vc = view->palette->getColor(i);
if (vc.r == 0 && vc.g == 0 && vc.b == 0) {
const PaletteEntry& sc = _state->static_palette->getColor(i);
view->palette->setColor(i, sc.r, sc.g, sc.b);
}
}
}
if (!res) {
res = (gfx_resource_t *)sci_malloc(sizeof(gfx_resource_t));
res->scaled_data.view = NULL;
res->ID = GFXR_RES_ID(GFX_RESOURCE_TYPE_VIEW, nr);
res->lock_sequence_nr = _state->tag_lock_counter;
res->mode = hash;
resMap[nr] = res;
} else {
gfxr_free_view(res->unscaled_data.view);
}
res->mode = hash;
res->unscaled_data.view = view;
} else {
res->lock_sequence_nr = _state->tag_lock_counter; // Update lock counter
view = res->unscaled_data.view;
}
if (*loop < 0)
*loop = 0;
else
if (*loop >= view->loops_nr)
*loop = view->loops_nr - 1;
if (*loop < 0) {
GFXWARN("View %d has no loops\n", nr);
return NULL;
}
loop_data = view->loops + (*loop);
if (loop_data == NULL) {
GFXWARN("Trying to load invalid loop %d of view %d\n", *loop, nr);
return NULL;
}
if (*cel < 0) {
sciprintf("Resetting cel! %d\n", *cel);
*cel = 0;
} else
if (*cel >= loop_data->cels_nr)
*cel = loop_data->cels_nr - 1;
if (*cel < 0) {
GFXWARN("View %d loop %d has no cels\n", nr, *loop);
return NULL;
}
cel_data = loop_data->cels[*cel];
if (loop_data == NULL) {
GFXWARN("Trying to load invalid view/loop/cel %d/%d/%d\n", nr, *loop, *cel);
return NULL;
}
if (!cel_data->data) {
gfx_get_res_config(_state->options, cel_data);
gfx_xlate_pixmap(cel_data, _state->driver->mode, _state->options->view_xlate_filter);
gfxr_endianness_adjust(cel_data, _state->driver->mode);
}
return view;
}
gfx_bitmap_font_t *GfxResManager::getFont(int num, bool scaled) {
IntResMap &resMap = _state->_resourceMaps[GFX_RESOURCE_TYPE_FONT];
gfx_resource_t *res = NULL;
int hash = getOptionsHash(GFX_RESOURCE_TYPE_FONT);
res = resMap.contains(num) ? resMap[num] : NULL;
if (!res || res->mode != hash) {
Resource *fontRes = _state->resManager->findResource(kResourceTypeFont, num, 0);
if (!fontRes || !fontRes->data)
return NULL;
gfx_bitmap_font_t *font = gfxr_read_font(fontRes->id, fontRes->data, fontRes->size);
if (!res) {
res = (gfx_resource_t *)sci_malloc(sizeof(gfx_resource_t));
res->scaled_data.font = NULL;
res->ID = GFXR_RES_ID(GFX_RESOURCE_TYPE_FONT, num);
res->lock_sequence_nr = _state->tag_lock_counter;
res->mode = hash;
resMap[num] = res;
} else {
gfxr_free_font(res->unscaled_data.font);
}
res->unscaled_data.font = font;
return font;
} else {
res->lock_sequence_nr = _state->tag_lock_counter; // Update lock counter
if (res->unscaled_data.pointer)
return res->unscaled_data.font;
else
return res->scaled_data.font;
}
}
gfx_pixmap_t *GfxResManager::getCursor(int num) {
IntResMap &resMap = _state->_resourceMaps[GFX_RESOURCE_TYPE_CURSOR];
gfx_resource_t *res = NULL;
int hash = getOptionsHash(GFX_RESOURCE_TYPE_CURSOR);
res = resMap.contains(num) ? resMap[num] : NULL;
if (!res || res->mode != hash) {
Resource *cursorRes = _state->resManager->findResource(kResourceTypeCursor, num, 0);
if (!cursorRes || !cursorRes->data)
return NULL;
if (_state->version >= SCI_VERSION_1_1) {
GFXWARN("Attempt to retrieve cursor in SCI1.1 or later\n");
return NULL;
}
gfx_pixmap_t *cursor = gfxr_draw_cursor(GFXR_RES_ID(GFX_RESOURCE_TYPE_CURSOR, num),
cursorRes->data, cursorRes->size, _state->version != SCI_VERSION_0);
if (!cursor)
return NULL;
if (!res) {
res = (gfx_resource_t *)sci_malloc(sizeof(gfx_resource_t));
res->scaled_data.pointer = NULL;
res->ID = GFXR_RES_ID(GFX_RESOURCE_TYPE_CURSOR, num);
res->lock_sequence_nr = _state->tag_lock_counter;
res->mode = hash;
resMap[num] = res;
} else {
gfx_free_pixmap(res->unscaled_data.pointer);
}
gfx_get_res_config(_state->options, cursor);
gfx_xlate_pixmap(cursor, _state->driver->mode, _state->options->cursor_xlate_filter);
gfxr_endianness_adjust(cursor, _state->driver->mode);
res->unscaled_data.pointer = cursor;
return cursor;
} else {
res->lock_sequence_nr = _state->tag_lock_counter; // Update lock counter
return res->unscaled_data.pointer;
}
}
} // End of namespace Sci
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