game.c

/*
        This file is part of Manic Pietro.

        Manic Pietro 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 3 of the License, or
        (at your option) any later version.

        Manic Pietro 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 Manic Pietro.  If not, see <http://www.gnu.org/licenses/>.


        Manic Pietro - Cristian Gonzalez - cmgonzalez@gmail.com
 */

#include "game.h"
#include "game_audio.h"
#include "game_banks.h"
#include "game_enemies.h"
#include "game_engine.h"
#include "game_menu.h"
#include "game_player.h"
#include "game_sprite.h"
#include "game_zx.h"
#include "macros.h"
#include <arch/zx.h>
#include <arch/zx/nirvana+.h>
#include <input.h>
#include <stdlib.h>

void main(void) {
  unsigned int counter;

  zx_border(INK_BLACK);
  zx_print_ink(INK_WHITE);

  // DEBUG
  game_debug = 0;
  game_mode = 1; // PIETRO DEFAULT

  nirv_sprite_index = 0;
  game_song_play = 1;
  game_gravity = 100; // GAME_GRAVITY;
  game_inmune = 0;    // GAME_INMUNE;
  game_inf_lives = 0; // GAME_INF_LIVES;
  // Nirvana Attributes lookup tables
  attribs = (unsigned char *)0xFCC8;
  deltas = (unsigned char *)0xFF01;

  if (game_debug) {
    game_inmune = 0;    // GAME_INMUNE;
    game_inf_lives = 1; // GAME_INF_LIVES;
    scr_curr = 31;
    game_menu = 0;
    joyfunc1 = (uint16_t(*)(udk_t *))(in_stick_keyboard);
    menu_curr_sel = 2; // Sync Menu
    game_tune = 1;
  } else {
    z80_delay_ms(666); // SATANIC DELAY
    scr_curr = 20;
    game_menu = 1;
    joyfunc1 = (uint16_t(*)(udk_t *))(in_stick_sinclair1);
    menu_curr_sel = 1; // Sync Menu

  }

  // INTERRUPTS ARE DISABLED
  // RESET AY CHIP
  ay_reset();

  // Init Game
  game_start_timer();

  // ENABLE SOUND BASED ON DETECTED MODEL
  //game_sound = spec128 ? (GAME_SOUND_AY_FX_ON | GAME_SOUND_AY_MUS_ON)
  //                     : (GAME_SOUND_48_FX_ON | GAME_SOUND_48_MUS_ON);

  // Keyboard Handling
  k1.fire = IN_KEY_SCANCODE_z;
  // TODO k1.fire1 = IN_KEY_SCANCODE_SPACE;
  k1.left = IN_KEY_SCANCODE_o;
  k1.right = IN_KEY_SCANCODE_p;
  // must be defined otherwise up is always true
  k1.up = IN_KEY_SCANCODE_DISABLE;
  k1.down = IN_KEY_SCANCODE_DISABLE;

  k2.left = IN_KEY_SCANCODE_CAPS;
  k2.right = IN_KEY_SCANCODE_SYM;

  k2.up = IN_KEY_SCANCODE_DISABLE;
  k2.down = IN_KEY_SCANCODE_DISABLE;
  k2.fire = IN_KEY_SCANCODE_DISABLE;
  joyfunc2 = (uint16_t(*)(udk_t *))(in_stick_keyboard);
  // Wait for Keypress and Randomize
  // Default Values for menu

  //#define IN_KEY_SCANCODE_CAPS   0x01fe
  //#define IN_KEY_SCANCODE_SYM    0x027f

  // joyfunc2 = (uint16_t(*)(udk_t *))(in_stick_keyboard);

  // NIRVANAP_stop();
  if (!game_debug) {
    in_wait_nokey();
    for (counter = 31416; !in_test_key(); counter += 10061)
      ;
  }
  srand(counter);

  // Clear Screen and init Nirvana
  zx_paper_fill(INK_BLACK | PAPER_BLACK);
  NIRVANAP_tiles(_btiles);
  NIRVANAP_start();
  game_attribs();

  game_over = 1;

  // Init Screen
  frame_time = zx_clock();

  // Game Intro
  if (!game_debug) {
    game_intro();
  }

  while (1) {

    game_cls();
    // MENU
    if (game_menu) {
      menu_main();
    }
    // GAME
    game_cls();
    player_next_extra = 10000;
    game_loop();
    game_cls();
    game_paint_attrib(&attrib, 0, 31, (11 << 3) + 8);
    game_shoe();
    game_over = 0; // Hack game_colour_message to render background


  }
}