107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "m4/adv_r/adv_been.h"
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#include "m4/core/errors.h"
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#include "m4/mem/memman.h"
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#include "m4/vars.h"
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namespace M4 {
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#define TOTAL_SCENES 180
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bool player_been_init(int16 num_scenes) {
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assert(num_scenes == TOTAL_SCENES);
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_G(scene_list).table = (int16 *)mem_alloc(sizeof(int16) * num_scenes, "been_scenes");
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if (!_G(scene_list).table)
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error_show(FL, 'OOM!', "player_been_init");
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_G(scene_list).total_scenes = num_scenes;
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player_reset_been();
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return true;
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}
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void player_been_shutdown() {
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mem_free(_G(scene_list).table);
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}
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void player_reset_been() {
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Common::fill(_G(scene_list).table, _G(scene_list).table + TOTAL_SCENES, 180);
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_G(scene_list).total_scenes = TOTAL_SCENES;
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_G(scene_list).tail = 0;
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}
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void player_been_sync(Common::Serializer &s) {
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// Handle number of scenes
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int count = _G(scene_list).total_scenes;
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s.syncAsUint32LE(count);
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assert(s.isSaving() || count == _G(scene_list).total_scenes);
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// Handle current tail
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s.syncAsUint32LE(_G(scene_list).tail);
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// Handle table
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for (int i = 0; i < count; ++i)
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s.syncAsSint16LE(_G(scene_list).table[i]);
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}
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bool player_been_here(int16 scene_num) {
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for (int i = 0; i < _G(scene_list).tail; i++)
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if (_G(scene_list).table[i] == scene_num)
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return true;
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return false;
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}
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bool player_enters_scene(int16 scene_num) {
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if (player_been_here(scene_num))
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return true;
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_G(scene_list).table[_G(scene_list).tail] = scene_num;
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++_G(scene_list).tail;
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if (_G(scene_list).tail > _G(scene_list).total_scenes)
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error_show(FL, 'SLTS');
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return false;
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}
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void player_forgets_scene(int16 scene_num) {
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// Check the list
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for (int i = 0; i < _G(scene_list).tail; i++) {
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// Found a match
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if (_G(scene_list).table[i] == scene_num) {
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// Close the table
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for (int j = i; j < _G(scene_list).tail; j++) {
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_G(scene_list).table[j] = _G(scene_list).table[j + 1];
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}
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// One less scene
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--_G(scene_list).tail;
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return;
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}
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}
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}
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} // End of namespace M4
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