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2004-06-24
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/*
* xrick/src/game.c
*
* Copyright (C) 1998-2002 BigOrno (bigorno@bigorno.net). All rights reserved.
*
* The use and distribution terms for this software are contained in the file
* named README, which can be found in the root of this distribution. By
* using this software in any fashion, you are agreeing to be bound by the
* terms of this license.
*
* You must not remove this notice, or any other, from this software.
*/
#include <stdlib.h>
#include "system.h"
#include "config.h"
#include "game.h"
#include "draw.h"
#include "maps.h"
#include "ents.h"
#include "e_rick.h"
#include "e_sbonus.h"
#include "e_them.h"
#include "screens.h"
#include "rects.h"
#include "scroller.h"
#include "control.h"
#include "data.h"
#ifdef ENABLE_DEVTOOLS
#include "devtools.h"
#endif
/*
* local typedefs
*/
typedef enum {
#ifdef ENABLE_DEVTOOLS
DEVTOOLS,
#endif
XRICK,
INIT_GAME, INIT_BUFFER,
INTRO_MAIN, INTRO_MAP,
PAUSE_PRESSED1, PAUSE_PRESSED1B, PAUSED, PAUSE_PRESSED2,
PLAY0, PLAY1, PLAY2, PLAY3,
CHAIN_SUBMAP, CHAIN_MAP, CHAIN_END,
SCROLL_UP, SCROLL_DOWN,
RESTART, GAMEOVER, GETNAME, EXIT
} game_state_t;
/*
* global vars
*/
U8 game_period = 0;
U8 game_waitevt = FALSE;
rect_t *game_rects = NULL;
U8 game_lives = 0;
U8 game_bombs = 0;
U8 game_bullets = 0;
U32 game_score = 0;
U16 game_map = 0;
U16 game_submap = 0;
U8 game_dir = 0;
U8 game_chsm = FALSE;
U8 game_cheat1 = 0;
U8 game_cheat2 = 0;
U8 game_cheat3 = 0;
#ifdef GFXST
hscore_t game_hscores[8] = {
{ 8000, "SIMES@@@@@" },
{ 7000, "JAYNE@@@@@" },
{ 6000, "DANGERSTU@" },
{ 5000, "KEN@@@@@@@" },
{ 4000, "ROB@N@BOB@" },
{ 3000, "TELLY@@@@@" },
{ 2000, "NOBBY@@@@@" },
{ 1000, "JEZEBEL@@@" }
};
#endif
#ifdef GFXPC
hscore_t game_hscores[8] = {
{ 8000, "DANGERSTU@" },
{ 7000, "SIMES@@@@@" },
{ 6000, "KEN@T@ZEN@" },
{ 5000, "BOBBLE@@@@" },
{ 4000, "GREG@LAA@@" },
{ 3000, "TELLY@@@@@" },
{ 2000, "CHIGLET@@@" },
{ 1000, "ANDYSPLEEN" }
};
#endif
#ifdef ENABLE_SOUND
sound_t *WAV_GAMEOVER;
sound_t *WAV_SBONUS2;
sound_t *WAV_BULLET;
sound_t *WAV_BOMBSHHT;
sound_t *WAV_EXPLODE;
sound_t *WAV_STICK;
sound_t *WAV_WALK;
sound_t *WAV_CRAWL;
sound_t *WAV_JUMP;
sound_t *WAV_PAD;
sound_t *WAV_BOX;
sound_t *WAV_BONUS;
sound_t *WAV_SBONUS1;
sound_t *WAV_DIE;
sound_t *WAV_ENTITY[10];
#endif
/*
* local vars
*/
static U8 isave_frow;
static game_state_t game_state;
#ifdef ENABLE_SOUND
static sound_t *music_snd;
#endif
/*
* prototypes
*/
static void frame(void);
static void init(void);
static void play0(void);
static void play3(void);
static void restart(void);
static void isave(void);
static void irestore(void);
static void loaddata(void);
static void freedata(void);
/*
* Cheats
*/
#ifdef ENABLE_CHEATS
void
game_toggleCheat(U8 nbr)
{
if (game_state != INTRO_MAIN && game_state != INTRO_MAP &&
game_state != GAMEOVER && game_state != GETNAME &&
#ifdef ENABLE_DEVTOOLS
game_state != DEVTOOLS &&
#endif
game_state != XRICK && game_state != EXIT) {
switch (nbr) {
case 1:
game_cheat1 = ~game_cheat1;
game_lives = 6;
game_bombs = 6;
game_bullets = 6;
break;
case 2:
game_cheat2 = ~game_cheat2;
break;
case 3:
game_cheat3 = ~game_cheat3;
break;
}
draw_infos();
/* FIXME this should probably only raise a flag ... */
/* plus we only need to update INFORECT not the whole screen */
sysvid_update(&draw_SCREENRECT);
}
}
#endif
#ifdef ENABLE_SOUND
/*
* Music
*/
void
game_setmusic(char *name, U8 loop)
{
U8 channel;
if (music_snd)
game_stopmusic();
music_snd = syssnd_load(name);
if (music_snd)
{
music_snd->dispose = TRUE; /* music is always "fire and forget" */
channel = syssnd_play(music_snd, loop);
}
}
void
game_stopmusic(void)
{
syssnd_stopsound(music_snd);
music_snd = NULL;
}
#endif
/*
* Main loop
*/
void
game_run(void)
{
U32 tm, tmx;
loaddata(); /* load cached data */
game_period = sysarg_args_period ? sysarg_args_period : GAME_PERIOD;
tm = sys_gettime();
game_state = XRICK;
/* main loop */
while (game_state != EXIT) {
/* timer */
tmx = tm; tm = sys_gettime(); tmx = tm - tmx;
if (tmx < game_period) sys_sleep(game_period - tmx);
/* video */
/*DEBUG*//*game_rects=&draw_SCREENRECT;*//*DEBUG*/
sysvid_update(game_rects);
draw_STATUSRECT.next = NULL; /* FIXME freerects should handle this */
/* sound */
/*snd_mix();*/
/* events */
if (game_waitevt)
sysevt_wait(); /* wait for an event */
else
sysevt_poll(); /* process events (non-blocking) */
/* frame */
frame();
}
freedata(); /* free cached data */
}
/*
* Prepare frame
*
* This function loops forever: use 'return' when a frame is ready.
* When returning, game_rects must contain every parts of the buffer
* that have been modified.
*/
static void
frame(void)
{
while (1) {
switch (game_state) {
#ifdef ENABLE_DEVTOOLS
case DEVTOOLS:
switch (devtools_run()) {
case SCREEN_RUNNING:
return;
case SCREEN_DONE:
game_state = INIT_GAME;
break;
case SCREEN_EXIT:
game_state = EXIT;
return;
}
break;
#endif
case XRICK:
switch(screen_xrick()) {
case SCREEN_RUNNING:
return;
case SCREEN_DONE:
#ifdef ENABLE_DEVTOOLS
game_state = DEVTOOLS;
#else
game_state = INIT_GAME;
#endif
break;
case SCREEN_EXIT:
game_state = EXIT;
return;
}
break;
case INIT_GAME:
init();
game_state = INTRO_MAIN;
break;
case INTRO_MAIN:
switch (screen_introMain()) {
case SCREEN_RUNNING:
return;
case SCREEN_DONE:
game_state = INTRO_MAP;
break;
case SCREEN_EXIT:
game_state = EXIT;
return;
}
break;
case INTRO_MAP:
switch (screen_introMap()) {
case SCREEN_RUNNING:
return;
case SCREEN_DONE:
game_waitevt = FALSE;
game_state = INIT_BUFFER;
break;
case SCREEN_EXIT:
game_state = EXIT;
return;
}
break;
case INIT_BUFFER:
sysvid_clear(); /* clear buffer */
draw_map(); /* draw the map onto the buffer */
draw_drawStatus(); /* draw the status bar onto the buffer */
#ifdef ENABLE_CHEATS
draw_infos(); /* draw the info bar onto the buffer */
#endif
game_rects = &draw_SCREENRECT; /* request full buffer refresh */
game_state = PLAY0;
return;
case PAUSE_PRESSED1:
screen_pause(TRUE);
game_state = PAUSE_PRESSED1B;
break;
case PAUSE_PRESSED1B:
if (control_status & CONTROL_PAUSE)
return;
game_state = PAUSED;
break;
case PAUSED:
if (control_status & CONTROL_PAUSE)
game_state = PAUSE_PRESSED2;
if (control_status & CONTROL_EXIT)
game_state = EXIT;
return;
case PAUSE_PRESSED2:
if (!(control_status & CONTROL_PAUSE)) {
game_waitevt = FALSE;
screen_pause(FALSE);
#ifdef ENABLE_SOUND
syssnd_pause(FALSE, FALSE);
#endif
game_state = PLAY2;
}
return;
case PLAY0:
play0();
break;
case PLAY1:
if (control_status & CONTROL_PAUSE) {
#ifdef ENABLE_SOUND
syssnd_pause(TRUE, FALSE);
#endif
game_waitevt = TRUE;
game_state = PAUSE_PRESSED1;
}
else if (control_active == FALSE) {
#ifdef ENABLE_SOUND
syssnd_pause(TRUE, FALSE);
#endif
game_waitevt = TRUE;
screen_pause(TRUE);
game_state = PAUSED;
}
else
game_state = PLAY2;
break;
case PLAY2:
if E_RICK_STTST(E_RICK_STDEAD) { /* rick is dead */
if (game_cheat1 || --game_lives) {
game_state = RESTART;
} else {
game_state = GAMEOVER;
}
}
else if (game_chsm) /* request to chain to next submap */
game_state = CHAIN_SUBMAP;
else
game_state = PLAY3;
break;
case PLAY3:
play3();
return;
case CHAIN_SUBMAP:
if (map_chain())
game_state = CHAIN_END;
else {
game_bullets = 0x06;
game_bombs = 0x06;
game_map++;
if (game_map == 0x04) {
/* reached end of game */
/* FIXME @292?*/
}
game_state = CHAIN_MAP;
}
break;
case CHAIN_MAP: /* CHAIN MAP */
switch (screen_introMap()) {
case SCREEN_RUNNING:
return;
case SCREEN_DONE:
if (game_map >= 0x04) { /* reached end of game */
sysarg_args_map = 0;
sysarg_args_submap = 0;
game_state = GAMEOVER;
}
else { /* initialize game */
ent_ents[1].x = map_maps[game_map].x;
ent_ents[1].y = map_maps[game_map].y;
map_frow = (U8)map_maps[game_map].row;
game_submap = map_maps[game_map].submap;
game_state = CHAIN_END;
}
break;
case SCREEN_EXIT:
game_state = EXIT;
return;
}
break;
case CHAIN_END:
map_init(); /* initialize the map */
isave(); /* save data in case of a restart */
ent_clprev(); /* cleanup entities */
draw_map(); /* draw the map onto the buffer */
draw_drawStatus(); /* draw the status bar onto the buffer */
game_rects = &draw_SCREENRECT; /* request full screen refresh */
game_state = PLAY3;
return;
case SCROLL_UP:
switch (scroll_up()) {
case SCROLL_RUNNING:
return;
case SCROLL_DONE:
game_state = PLAY0;
break;
}
break;
case SCROLL_DOWN:
switch (scroll_down()) {
case SCROLL_RUNNING:
return;
case SCROLL_DONE:
game_state = PLAY0;
break;
}
break;
case RESTART:
restart();
game_state = PLAY0;
return;
case GAMEOVER:
switch (screen_gameover()) {
case SCREEN_RUNNING:
return;
case SCREEN_DONE:
game_state = GETNAME;
break;
case SCREEN_EXIT:
game_state = EXIT;
break;
}
break;
case GETNAME:
switch (screen_getname()) {
case SCREEN_RUNNING:
return;
case SCREEN_DONE:
game_state = INIT_GAME;
return;
case SCREEN_EXIT:
game_state = EXIT;
break;
}
break;
case EXIT:
return;
}
}
}
/*
* Initialize the game
*/
static void
init(void)
{
U8 i;
E_RICK_STRST(0xff);
game_lives = 6;
game_bombs = 6;
game_bullets = 6;
game_score = 0;
game_map = sysarg_args_map;
if (sysarg_args_submap == 0) {
game_submap = map_maps[game_map].submap;
map_frow = (U8)map_maps[game_map].row;
}
else {
/* dirty hack to determine frow */
game_submap = sysarg_args_submap;
i = 0;
while (i < MAP_NBR_CONNECT &&
(map_connect[i].submap != game_submap ||
map_connect[i].dir != RIGHT))
i++;
map_frow = map_connect[i].rowin - 0x10;
ent_ents[1].y = 0x10 << 3;
}
ent_ents[1].x = map_maps[game_map].x;
ent_ents[1].y = map_maps[game_map].y;
ent_ents[1].w = 0x18;
ent_ents[1].h = 0x15;
ent_ents[1].n = 0x01;
ent_ents[1].sprite = 0x01;
ent_ents[1].front = FALSE;
ent_ents[ENT_ENTSNUM].n = 0xFF;
map_resetMarks();
map_init();
isave();
}
/*
* play0
*
*/
static void
play0(void)
{
if (control_status & CONTROL_END) { /* request to end the game */
game_state = GAMEOVER;
return;
}
if (control_last == CONTROL_EXIT) { /* request to exit the game */
game_state = EXIT;
return;
}
ent_action(); /* run entities */
e_them_rndseed++; /* (0270) */
game_state = PLAY1;
}
/*
* play3
*
*/
static void
play3(void)
{
static rect_t *r;
draw_clearStatus(); /* clear the status bar */
ent_draw(); /* draw all entities onto the buffer */
/* sound */
draw_drawStatus(); /* draw the status bar onto the buffer*/
r = &draw_STATUSRECT; r->next = ent_rects; /* refresh status bar too */
game_rects = r; /* take care to cleanup draw_STATUSRECT->next later! */
if (!E_RICK_STTST(E_RICK_STZOMBIE)) { /* need to scroll ? */
if (ent_ents[1].y >= 0xCC) {
game_state = SCROLL_UP;
return;
}
if (ent_ents[1].y <= 0x60) {
game_state = SCROLL_DOWN;
return;
}
}
game_state = PLAY0;
}
/*
* restart
*
*/
static void
restart(void)
{
E_RICK_STRST(E_RICK_STDEAD|E_RICK_STZOMBIE);
game_bullets = 6;
game_bombs = 6;
ent_ents[1].n = 1;
irestore();
map_init();
isave();
ent_clprev();
draw_map();
draw_drawStatus();
game_rects = &draw_SCREENRECT;
}
/*
* isave (0bbb)
*
*/
static void
isave(void)
{
e_rick_save();
isave_frow = map_frow;
}
/*
* irestore (0bdc)
*
*/
static void
irestore(void)
{
e_rick_restore();
map_frow = isave_frow;
}
/*
*
*/
static void
loaddata()
{
#ifdef ENABLE_SOUND
/*
* Cache sounds
*
* tune[0-5].wav not cached
*/
WAV_GAMEOVER = syssnd_load("sounds/gameover.wav");
WAV_SBONUS2 = syssnd_load("sounds/sbonus2.wav");
WAV_BULLET = syssnd_load("sounds/bullet.wav");
WAV_BOMBSHHT = syssnd_load("sounds/bombshht.wav");
WAV_EXPLODE = syssnd_load("sounds/explode.wav");
WAV_STICK = syssnd_load("sounds/stick.wav");
WAV_WALK = syssnd_load("sounds/walk.wav");
WAV_CRAWL = syssnd_load("sounds/crawl.wav");
WAV_JUMP = syssnd_load("sounds/jump.wav");
WAV_PAD = syssnd_load("sounds/pad.wav");
WAV_BOX = syssnd_load("sounds/box.wav");
WAV_BONUS = syssnd_load("sounds/bonus.wav");
WAV_SBONUS1 = syssnd_load("sounds/sbonus1.wav");
WAV_DIE = syssnd_load("sounds/die.wav");
WAV_ENTITY[0] = syssnd_load("sounds/ent0.wav");
WAV_ENTITY[1] = syssnd_load("sounds/ent1.wav");
WAV_ENTITY[2] = syssnd_load("sounds/ent2.wav");
WAV_ENTITY[3] = syssnd_load("sounds/ent3.wav");
WAV_ENTITY[4] = syssnd_load("sounds/ent4.wav");
WAV_ENTITY[5] = syssnd_load("sounds/ent5.wav");
WAV_ENTITY[6] = syssnd_load("sounds/ent6.wav");
WAV_ENTITY[7] = syssnd_load("sounds/ent7.wav");
WAV_ENTITY[8] = syssnd_load("sounds/ent8.wav");
#endif
}
/*
*
*/
static void
freedata()
{
#ifdef ENABLE_SOUND
syssnd_stopall();
syssnd_free(WAV_GAMEOVER);
syssnd_free(WAV_SBONUS2);
syssnd_free(WAV_BULLET);
syssnd_free(WAV_BOMBSHHT);
syssnd_free(WAV_EXPLODE);
syssnd_free(WAV_STICK);
syssnd_free(WAV_WALK);
syssnd_free(WAV_CRAWL);
syssnd_free(WAV_JUMP);
syssnd_free(WAV_PAD);
syssnd_free(WAV_BOX);
syssnd_free(WAV_BONUS);
syssnd_free(WAV_SBONUS1);
syssnd_free(WAV_DIE);
syssnd_free(WAV_ENTITY[0]);
syssnd_free(WAV_ENTITY[1]);
syssnd_free(WAV_ENTITY[2]);
syssnd_free(WAV_ENTITY[3]);
syssnd_free(WAV_ENTITY[4]);
syssnd_free(WAV_ENTITY[5]);
syssnd_free(WAV_ENTITY[6]);
syssnd_free(WAV_ENTITY[7]);
syssnd_free(WAV_ENTITY[8]);
#endif
}
/* eof */