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/**
** Mappatch.cc - Patches to the game map.
**
** Written: 10-18-2001
**/
/*
Copyright (C) 2001 The Exult Team
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.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "mappatch.h"
#include "gamewin.h"
#include "objs.h"
#include "vec.h"
/*
* Find (first) matching object.
*/
Game_object *Map_patch::find
(
)
{
Game_window *gwin = Game_window::get_game_window();
Game_object_vector vec; // Pass mask=0xb0 to get any object.
Game_object::find_nearby(vec, spec.loc, spec.shapenum, 0, 0xb0,
spec.quality, spec.framenum);
return vec.empty() ? 0 : vec.front();
}
/*
* Apply by removing object.
*
* Output: false if no object found.
*/
bool Map_patch_remove::apply
(
)
{
bool found = false;
Game_object *obj;
while ((obj = find()) != 0)
{
obj->remove_this();
found = true;
if (!all) // Just one?
return true;
}
return found;
}
/*
* Apply by moving/changing object.
*
* Output: false if no object found.
*/
bool Map_patch_modify::apply
(
)
{
Game_object *obj = find();
if (!obj)
return false;
obj->remove_this(1); // Remove but don't delete.
if (mod.shapenum != c_any_shapenum)
obj->set_shape(mod.shapenum);
if (mod.framenum != c_any_framenum)
obj->set_frame(mod.framenum);
if (mod.quality != c_any_qual)
obj->set_quality(mod.quality);
obj->set_invalid(); // To add it back correctly.
obj->move(mod.loc);
return true;
}
/*
* Delete all the patches.
*/
Map_patch_collection::~Map_patch_collection
(
)
{
for (Map_patch_map::iterator it1 = patches.begin();
it1 != patches.end(); it1++)
{
Map_patch_list& lst = (*it1).second;
while (!lst.empty())
{
Map_patch *patch = lst.front();
delete patch;
lst.pop_front();
}
}
}
/*
* Add a new patch.
*/
void Map_patch_collection::add
(
Map_patch *p
)
{
// Get superchunk coords.
int sx = p->spec.loc.tx/c_tiles_per_schunk,
sy = p->spec.loc.ty/c_tiles_per_schunk;
// Get superchunk # (0-143).
int schunk = sy*c_num_schunks + sx;
patches[schunk].push_back(p);
}
/*
* Apply all patches for a superchunk.
*/
void Map_patch_collection::apply
(
int schunk
)
{
Map_patch_map::iterator it1 = patches.find(schunk);
if (it1 != patches.end()) // Found list for superchunk?
{
Map_patch_list& lst = (*it1).second;
for (Map_patch_list::const_iterator it2 = lst.begin();
it2 != lst.end(); it2++)
(*it2)->apply(); // Apply each one in list.
}
}
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