game.h

   1 #ifndef __GAME_H
   2 #define __GAME_H
   3
   4 #include <math.h>
   5 #include "tennix.h"
   6
   7 typedef unsigned char bool;
   8 enum {
   9     false,
  10     true
  11 };
  12
  13 typedef struct {
  14     float x;
  15     float y;
  16     float move_x;
  17     float move_y;
  18     float jump;
  19 } Ball;
  20
  21 typedef struct {
  22     float x;
  23     float y;
  24     unsigned char state;
  25     unsigned int score;
  26     unsigned char responsible; /* responsible for the next fault (if any) */
  27 } Player;
  28
  29 typedef struct {
  30     Ball ball;
  31     Ball ground;
  32     Player player1;
  33     Player player2;
  34     float phase;
  35     unsigned int time;
  36     bool was_stopped;
  37 } GameState;
  38
  39 #define PI 3.1415
  40
  41 #define GAME_TICKS 15
  42
  43 #define GROUND_PHASE 0.4
  44 #define PHASE_AMP 3.2
  45
  46 #define BALL_JUMP_MIN 4
  47 #define BALL_JUMP_MAX 10
  48 #define BALL_DEFAULT_SPEED 3.0
  49
  50 #define GAME_X_MIN 41.0*2
  51 #define GAME_X_MAX 270.0*2
  52 #define GAME_X_MID ((GAME_X_MIN+GAME_X_MAX)/2)
  53
  54 #define GAME_Y_MIN 20.0*2+75
  55 #define GAME_Y_MAX 150.0*2+75
  56 #define GAME_Y_MID ((GAME_Y_MIN+GAME_Y_MAX)/2)
  57
  58 #define PLAYER_Y_MIN 0.0
  59 #define PLAYER_Y_MAX 1.0*HEIGHT
  60
  61 #define IS_OUT_Y(y) (y<GAME_Y_MIN || y>GAME_Y_MAX)
  62 #define IS_OUT_X(x) (x<GAME_X_MIN || x>GAME_X_MAX)
  63
  64 #define PLAYER_AREA 10.0*2
  65 #define IS_NEAR_Y(py,by) (fabsf(py+(PLAYER_AREA/2)-by)<PLAYER_AREA)
  66
  67 #define PLAYER_STATE_MAX 10
  68 #define PLAYER_POWERSHOT 8.2
  69
  70 void game();
  71 void render( GameState*);
  72 bool step( GameState*);
  73 void limit_value( float*, float, float);
  74 float get_phase( GameState*);
  75 float get_move_y( GameState*, unsigned char);
  76
  77 #endif
  78