ball/hud.c

   1 /*
   2  * Copyright (C) 2003 Robert Kooima
   3  *
   4  * NEVERBALL is  free software; you can redistribute  it and/or modify
   5  * it under the  terms of the GNU General  Public License as published
   6  * by the Free  Software Foundation; either version 2  of the License,
   7  * or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT  ANY  WARRANTY;  without   even  the  implied  warranty  of
  11  * MERCHANTABILITY or  FITNESS FOR A PARTICULAR PURPOSE.   See the GNU
  12  * General Public License for more details.
  13  */
  14
  15 #include <SDL.h>
  16 #include <math.h>
  17
  18 #include "glext.h"
  19 #include "hud.h"
  20 #include "gui.h"
  21 #include "game.h"
  22 #include "level.h"
  23 #include "config.h"
  24
  25 /*---------------------------------------------------------------------------*/
  26
  27 static int Lhud_id;
  28 static int Rhud_id;
  29 static int time_id;
  30
  31 static int coin_id;
  32 static int ball_id;
  33 static int scor_id;
  34 static int goal_id;
  35 static int view_id;
  36 static int fps_id;
  37
  38 static float view_timer;
  39
  40 static void hud_fps(void)
  41 {
  42     static int fps   = 0;
  43     static int then  = 0;
  44     static int count = 0;
  45
  46     int now = SDL_GetTicks();
  47
  48     if (now - then > 250)
  49     {
  50         fps   = count * 1000 / (now - then);
  51         then  = now;
  52         count = 0;
  53
  54         gui_set_count(fps_id, fps);
  55     }
  56     else count++;
  57 }
  58
  59 void hud_init(void)
  60 {
  61     int id;
  62
  63     if ((Rhud_id = gui_hstack(0)))
  64     {
  65         if ((id = gui_vstack(Rhud_id)))
  66         {
  67             gui_label(id, "Coins", GUI_SML, 0, gui_wht, gui_wht);
  68             gui_label(id, "Goal",  GUI_SML, 0, gui_wht, gui_wht);
  69         }
  70         if ((id = gui_vstack(Rhud_id)))
  71         {
  72             coin_id = gui_count(id, 100, GUI_SML, GUI_NW);
  73             goal_id = gui_count(id, 10,  GUI_SML, 0);
  74         }
  75         gui_layout(Rhud_id, +1, -1);
  76     }
  77
  78     if ((Lhud_id = gui_hstack(0)))
  79     {
  80         if ((id = gui_vstack(Lhud_id)))
  81         {
  82             ball_id = gui_count(id, 10,   GUI_SML, GUI_NE);
  83             scor_id = gui_count(id, 1000, GUI_SML, 0);
  84         }
  85         if ((id = gui_vstack(Lhud_id)))
  86         {
  87             gui_label(id, "Balls", GUI_SML, 0, gui_wht, gui_wht);
  88             gui_label(id, "Score", GUI_SML, 0, gui_wht, gui_wht);
  89         }
  90         gui_layout(Lhud_id, -1, -1);
  91     }
  92
  93     if ((time_id = gui_clock(0, 59999, GUI_MED, GUI_TOP)))
  94         gui_layout(time_id, 0, -1);
  95
  96     if ((view_id = gui_label(0, STR_VIEW2, GUI_SML, GUI_SW, gui_wht, gui_wht)))
  97         gui_layout(view_id, 1, 1);
  98
  99     if ((fps_id = gui_count(0, 1000, GUI_SML, GUI_SE)))
 100         gui_layout(fps_id, -1, 1);
 101 }
 102
 103 void hud_free(void)
 104 {
 105     gui_delete(Rhud_id);
 106     gui_delete(Lhud_id);
 107     gui_delete(time_id);
 108     gui_delete(view_id);
 109     gui_delete(fps_id);
 110 }
 111
 112 void hud_paint(void)
 113 {
 114     gui_paint(Lhud_id);
 115     gui_paint(Rhud_id);
 116     gui_paint(time_id);
 117
 118     if (config_get_d(CONFIG_FPS))
 119         gui_paint(fps_id);
 120
 121     if (view_timer > 0.0f)
 122         gui_paint(view_id);
 123 }
 124
 125 void hud_timer(float dt)
 126 {
 127     const int clock = curr_clock();
 128     const int balls = curr_balls();
 129     const int coins = curr_coins();
 130     const int score = curr_score();
 131     const int goal  = curr_goal();
 132
 133     if (gui_value(time_id) != clock) gui_set_clock(time_id, clock);
 134     if (gui_value(ball_id) != balls) gui_set_count(ball_id, balls);
 135     if (gui_value(scor_id) != score) gui_set_count(scor_id, score);
 136     if (gui_value(coin_id) != coins) gui_set_count(coin_id, coins);
 137     if (gui_value(goal_id) != goal)  gui_set_count(goal_id, goal);
 138
 139     if (config_get_d(CONFIG_FPS))
 140         hud_fps();
 141
 142     view_timer -= dt;
 143
 144     gui_timer(Rhud_id, dt);
 145     gui_timer(Lhud_id, dt);
 146     gui_timer(time_id, dt);
 147     gui_timer(view_id, dt);
 148 }
 149
 150 void hud_ball_pulse(float k) { gui_pulse(ball_id, k); }
 151 void hud_time_pulse(float k) { gui_pulse(time_id, k); }
 152 void hud_coin_pulse(float k) { gui_pulse(coin_id, k); }
 153 void hud_goal_pulse(float k) { gui_pulse(goal_id, k); }
 154
 155 void hud_view_pulse(int c)
 156 {
 157     switch (c)
 158     {
 159     case 0: gui_set_label(view_id, STR_VIEW0); break;
 160     case 1: gui_set_label(view_id, STR_VIEW1); break;
 161     case 2: gui_set_label(view_id, STR_VIEW2); break;
 162     }
 163
 164     gui_pulse(view_id, 1.2f);
 165     view_timer = 2.0f;
 166 }
 167
 168 /*---------------------------------------------------------------------------*/