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/*
* Seven Kingdoms: Ancient Adversaries
*
* Copyright 1997,1998 Enlight Software Ltd.
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
// Filename : OSNOWRES.H
// Description : Header file of snow resource
// Owner : Gilbert
#ifndef __OSNOWRES_H
#define __OSNOWRES_H
#ifndef __ORESDB_H
#include <ORESDB.h>
#endif
// ----------- Define struct SnowRec --------- //
//
struct SnowRec
{
enum { FILE_NAME_LEN=8, OFFSET_LEN=3, BITMAP_PTR_LEN=4, RECNO_LEN=4 };
char file_name[FILE_NAME_LEN];
char offset_x[OFFSET_LEN];
char offset_y[OFFSET_LEN];
char next_file1[FILE_NAME_LEN];
char next_file2[FILE_NAME_LEN];
char next_file3[FILE_NAME_LEN];
char next_file4[FILE_NAME_LEN];
char prev_file1[FILE_NAME_LEN];
char prev_file2[FILE_NAME_LEN];
char bitmap_ptr[BITMAP_PTR_LEN];
char next_ptr1[RECNO_LEN];
char next_ptr2[RECNO_LEN];
char next_ptr3[RECNO_LEN];
char next_ptr4[RECNO_LEN];
char prev_ptr1[RECNO_LEN];
char prev_ptr2[RECNO_LEN];
};
// ---------- Define struct SnowInfo -------//
//
struct SnowInfo
{
enum { MAX_NEXT_PTR=4, MAX_PREV_PTR=2 };
int snow_map_id;
char* bitmap_ptr;
SnowInfo* next_file[MAX_NEXT_PTR];
SnowInfo* prev_file[MAX_PREV_PTR];
short offset_x;
short offset_y;
unsigned short next_count;
unsigned short prev_count;
int is_root() { return prev_count == 0; }
int is_leaf() { return next_count == 0; }
int rand_next(unsigned rand) { return is_leaf() ? snow_map_id : next_file[rand % next_count]->snow_map_id; }
int rand_prev(unsigned rand) { return is_root() ? snow_map_id : prev_file[rand % prev_count]->snow_map_id; }
SnowInfo * rand_next_ptr(unsigned rand) { return is_leaf() ? this : next_file[rand % next_count]; }
SnowInfo * rand_prev_ptr(unsigned rand) { return is_root() ? NULL : prev_file[rand % prev_count]; }
short bitmap_width() { return *(short *)bitmap_ptr; }
short bitmap_height() { return *(((short *)bitmap_ptr)+1); }
void draw_at(short absX, short absY);
};
// --------- Define class SnowRes -----//
//
class SnowRes
{
public:
SnowInfo* snow_info_array;
int snow_info_count;
SnowInfo** root_info_array;
unsigned root_count;
int init_flag;
ResourceDb res_bitmap;
public:
SnowRes();
~SnowRes();
void init();
void deinit();
int rand_root(unsigned rand);
#ifdef DYNARRAY_DEBUG_ELEMENT_ACCESS
SnowInfo* operator[](int);
#else
SnowInfo* operator[](int snowMapId) { return snow_info_array+snowMapId-1; }
#endif
private:
void load_info();
};
extern SnowRes snow_res;
#endif
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