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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "m4/adv_r/adv_been.h"
#include "m4/core/errors.h"
#include "m4/mem/memman.h"
#include "m4/vars.h"
namespace M4 {
#define TOTAL_SCENES 180
bool player_been_init(int16 num_scenes) {
assert(num_scenes == TOTAL_SCENES);
_G(scene_list).table = (int16 *)mem_alloc(sizeof(int16) * num_scenes, "been_scenes");
if (!_G(scene_list).table)
error_show(FL, 'OOM!', "player_been_init");
_G(scene_list).total_scenes = num_scenes;
player_reset_been();
return true;
}
void player_been_shutdown() {
mem_free(_G(scene_list).table);
}
void player_reset_been() {
Common::fill(_G(scene_list).table, _G(scene_list).table + TOTAL_SCENES, 180);
_G(scene_list).total_scenes = TOTAL_SCENES;
_G(scene_list).tail = 0;
}
void player_been_sync(Common::Serializer &s) {
// Handle number of scenes
int count = _G(scene_list).total_scenes;
s.syncAsUint32LE(count);
assert(s.isSaving() || count == _G(scene_list).total_scenes);
// Handle current tail
s.syncAsUint32LE(_G(scene_list).tail);
// Handle table
for (int i = 0; i < count; ++i)
s.syncAsSint16LE(_G(scene_list).table[i]);
}
bool player_been_here(int16 scene_num) {
for (int i = 0; i < _G(scene_list).tail; i++)
if (_G(scene_list).table[i] == scene_num)
return true;
return false;
}
bool player_enters_scene(int16 scene_num) {
if (player_been_here(scene_num))
return true;
_G(scene_list).table[_G(scene_list).tail] = scene_num;
++_G(scene_list).tail;
if (_G(scene_list).tail > _G(scene_list).total_scenes)
error_show(FL, 'SLTS');
return false;
}
void player_forgets_scene(int16 scene_num) {
int i, j;
// Check the list
for (i = 0; i < _G(scene_list).tail; i++) {
// Found a match
if (_G(scene_list).table[i] == scene_num) {
// Close the table
for (j = i; j < _G(scene_list).tail; j++) {
_G(scene_list).table[j] = _G(scene_list).table[j + 1];
}
// One less scene
--_G(scene_list).tail;
return;
}
}
}
} // End of namespace M4
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