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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 : ORAIN.H
// Description: Header file of class Rain & RainDrop
// Ownership : Gilbert
#ifndef __ORAIN_H
#define __ORAIN_H
//------------ Define constant -------------//
#define MAX_RAINDROP 50
class VgaBuf;
class Rain;
//--------- Define class RainDrop ----------------//
class RainDrop
{
public:
// Rain *rain_ptr;
short cur_x, cur_y;
short dest_x, dest_y;
short fall_speed;
public:
void init(Rain *rain, short fromX, short fromY, short toX, short toY, short speed );
void fall();
void draw_step(VgaBuf *);
int is_goal();
};
// -------- Define class RainSpot ---------//
class RainSpot
{
public:
// Rain *rain_ptr;
short center_x, center_y;
short step;
short max_step;
public:
void init(Rain *rain, short destX, short destY, short maxStep);
void fall();
void draw_step(VgaBuf *);
int is_goal();
};
//--------- Define class Rain -------------//
class Rain
{
public:
short bound_x1, bound_x2, bound_y1, bound_y2;
double wind_slope;
short drop_per_turn;
private:
RainDrop drop[MAX_RAINDROP];
char drop_flag[MAX_RAINDROP];
short active_drop; // no. of active drops
short last_drop;
RainSpot spot[MAX_RAINDROP];
char spot_flag[MAX_RAINDROP];
short active_spot; // no. of active drops
short last_spot;
unsigned seed;
public:
void start_rain(int x1, int y1, int x2, int y2, short density, double slope);
void clear(); // remove all rain drops
void stop_rain(); // no more new rain drops
void new_drops();
void new_spot(short x, short y);
void draw_step(VgaBuf *);
int is_all_clear(); // any raindrop is active?
int is_raining() { return active_drop>0 || active_spot > 0; }
private:
unsigned rand_seed();
};
//-------------------------------------------------//
#endif
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