X-Git-Url: https://jasonwoof.com/gitweb/?p=vor.git;a=blobdiff_plain;f=main.c;h=92927b5a17a302c4d788ea64fc948ca80a2d71b6;hp=f7e5bd4ace922525a43a73690dc2aceff78bf671;hb=3ef599c7104a20c4f5268dbefb6590aa3e285663;hpb=a133ed10c10a4cf62f80222a89f83b6218b37d2f diff --git a/main.c b/main.c index f7e5bd4..92927b5 100644 --- a/main.c +++ b/main.c @@ -19,103 +19,33 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#undef DEBUG - -extern int font_height; -void clearBuffer(); - -// includes {{{ +#include +#include #include #include +#include #include #include #include -#include -#include - -#include -#include -#include #include "SFont.h" -// }}} -// constants {{{ -#define XSIZE 640 -#define YSIZE 480 -#define NROCKS 6 // Number of rock image files, not number of rocks visible -#define MAXROCKS 120 // MAX Rocks -#define MAXROCKHEIGHT 100 -#define ROCKRATE 2 -#define MAXBLACKPOINTS 500 -#define MAXENGINEDOTS 5000 -#define MAXBANGDOTS 50000 -#define MAXSPACEDOTS 2000 -#define W 100 -#define M 255 -#define BIG_FONT_FILE "fonts/score.png" -// }}} -// macros {{{ -#define CONDERROR(a) if((a)) {initerror = strdup(SDL_GetError());return 1;} -#define NULLERROR(a) CONDERROR((a) == NULL) -// }}} - -// ************************************* STRUCTS -struct rock_struct { - // Array of black pixel coordinates. This is scanned - // every frame to see if it's still black, and as - // soon as it isn't we BLOW UP - float x,y,xvel,yvel; - int active; - SDL_Surface *image; - int type_number; - float heat; -}; -struct black_point_struct { - int x,y; -}; -struct bangdots { - // Bang dots have the same colour as shield dots. - // Bang dots get darker as they age. - // Some are coloured the same as the ex-ship. - float x,y,dx,dy; - Uint16 c; // when zero, use heatcolor[bangdotlife] - float life; // When reduced to 0, set active = 0 - int active; - float decay;// Amount by which to reduce life each time dot is drawn -}; -struct enginedots { - // Engine dots stream out the back of the ship, getting darker as they go. - int active; - float x,y,dx,dy; - // The life of an engine dot - // is a number starting at between 0 and 50 and counting backward. - float life; // When reduced to 0, set active = 0 -}; -struct spacedot { - // Space dots are harmless background items - // All are active. When one falls off the edge, another is created at the start. - float x,y,dx; - Uint16 color; -}; -// High score table {{{ -struct highscore { - int score; - char *name; - int allocated; -} high[] = { - {13000,"Pad",0}, - {12500,"Pad",0}, - {6500,"Pad",0}, - {5000,"Pad",0}, - {3000,"Pad",0}, - {2500,"Pad",0}, - {2000,"Pad",0}, - {1500,"Pad",0} -}; -// }}} + +#ifdef DEBUG +#include "debug.h" +#endif + +#include "args.h" +#include "common.h" +#include "config.h" +#include "file.h" +#include "globals.h" +#include "rocks.h" +#include "score.h" +#include "shape.h" +#include "sound.h" // ************************************* VARS -// SDL_Surface global variables {{{ +// SDL_Surface global variables SDL_Surface *surf_screen, // Screen *surf_b_variations, // "variations" banner @@ -126,65 +56,63 @@ SDL_Surface *surf_ship, // Spaceship element *surf_life, // Indicator of number of ships remaining *surf_rock[NROCKS], // THE ROCKS - *surf_deadrock[NROCKS], // THE DEAD ROCKS *surf_font_big; // The big font -// }}} -// Structure global variables {{{ + + +SFont_Font *g_font; + +// Structure global variables struct enginedots edot[MAXENGINEDOTS], *dotptr = edot; -struct rock_struct rock[MAXROCKS], *rockptr = rock; -struct black_point_struct black_point[MAXBLACKPOINTS], *blackptr = black_point; struct bangdots bdot[MAXBANGDOTS], *bdotptr = bdot; struct spacedot sdot[MAXSPACEDOTS]; -// }}} -// Other global variables {{{ + +// Other global variables char topline[1024]; char *initerror = ""; -char name[1024], debug1[1024]; - -float xship,yship = 240.0; // X position, 0..XSIZE -float xvel,yvel; // Change in X position per tick. -float rockrate,rockspeed; -float movementrate; -float shieldlevel, shieldpulse = 0; -float yscroll; - -int nships,score,initticks,ticks_since_last, last_ticks; -int initialshield, gameover, fast; -int countdown = 0; -int maneuver = 0; -int laser = 0; -int shieldsup = 0; -int oss_sound_flag = 0; -int tail_plume = 0; // display big engine at the back? -int friction = 0; // should there be friction? -int scorerank; -float fadetimer = 0,faderate; - -int pausedown = 0,paused = 0; + + + +struct shape shipshape; +float shipx = XSIZE/2, shipy = YSIZE/2; // X position, 0..XSIZE +float shipdx = SCREENDXMIN, shipdy = 0.0; // Change in X position per tick. +float screendx = SCREENDXMIN, screendy = 0.0; +float xscroll, yscroll; +float back_dist; + +// all movement is based on t_frame. +float t_frame; // length of this frame (in ticks = 1/20th second) +float s_frame; // length of this frame (seconds) +int ms_frame; // length of this frame (milliseconds) +int ms_end; // end of this frame (milliseconds) + +float bangx, bangy, bangdx, bangdy; + +int nships,score; +int gameover; +int jets = 0; + +float fadetimer = 0, faderate; + +int pausedown = 0, paused = 0; // bangdot start (bd1) and end (bd2) position: int bd1 = 0, bd2 = 0; -int xoffset[NROCKS][MAXROCKHEIGHT]; - enum states { TITLE_PAGE, GAMEPLAY, DEAD_PAUSE, GAME_OVER, HIGH_SCORE_ENTRY, - HIGH_SCORE_DISPLAY, - DEMO + HIGH_SCORE_DISPLAY }; enum states state = TITLE_PAGE; float state_timeout = 600.0; -const int fakesin[] = {0,1,0,-1}; -const int fakecos[] = {1,0,-1,0}; #define NSEQUENCE 2 char *sequence[] = { "Press SPACE to start", - "http://qualdan.com/vor/" + "http://herkamire.com/jason/vor" }; int bangdotlife, nbangdots; @@ -193,171 +121,45 @@ Uint16 heatcolor[W*3]; char *data_dir; extern char *optarg; extern int optind, opterr, optopt; -// }}} -// ************************************* FUNCS -#ifdef DOTCOLLISION -int dotcollision(SDL_Surface *s) { - int i,j,m; - Uint16 *rawpixel, *r; - - /* - * Kill all the dots which collide with other objects. - * This does not work, it's probably in the wrong place or something. - */ - SDL_LockSurface(s); - rawpixel = (Uint16 *) s->pixels; - if(bangdotlife > 0 && bangdotlife<80) { - for(i = 0; i0 && bdot[i].x0 && bdot[i].ypitch/2*(int)(bdot[i].y)) + (int)(bdot[i].x)]; - if(*r != (bdot[i].c ? bdot[i].c : heatcolor[bangdotlife*2])) - bdot[i].active = 0; - } - } - } - SDL_UnlockSurface(s); +#define TO_TICKS(seconds) ((seconds)*20*opt_gamespeed) - return; -} -#endif +// ************************************* FUNCS -FILE *hs_fopen(char *mode) { - FILE *f; - mode_t mask; - mask = umask(0111); - if(f = fopen("/usr/share/vor/.highscore",mode)) { - umask(mask); - return f; - } - else { - char s[1024]; - umask(0177); - sprintf(s,"%s/.vor-high",getenv("HOME")); - if(f = fopen(s,mode)) { - umask(mask); - return f; - } - else { - umask(mask); - return 0; - } - } -} -void read_high_score_table() { - FILE *f; - int i; - if(f = hs_fopen("r")) { - // If the file exists, read from it - for(i = 0; i<8; i ++ ) { - char s[1024]; - int highscore; - if(fscanf (f, "%d %[^\n]", &highscore, s)!= 2) { - break; - } - if(high[i].allocated) { - free(high[i].name); - } - high[i].name = strdup(s); - high[i].score = highscore; - high[i].allocated = 1; - } - fclose(f); - } -} -void write_high_score_table() { - FILE *f; - int i; - if(f = hs_fopen("w")) { - // If the file exists, write to it - for(i = 0; i<8; i ++ ) { - fprintf (f, "%d %s\n", high[i].score, high[i].name); - } - fclose(f); - } -} -void snprintscore(char *s, size_t n, int score) { - int min = score/60000; - int sec = score/1000%60; - int tenths = score%1000/100; - if(min) { - snprintf(s, n, "%2d:%.2d.%d", min, sec, tenths); - } else { - snprintf(s, n, " %2d.%d", sec, tenths); - } -} -float rnd() { +float +rnd() { return (float)random()/(float)RAND_MAX; } -void init_engine_dots() { + +void +init_engine_dots() { int i; - for(i = 0; iformat,intensity,intensity,intensity); - + sdot[i].z = MAXDUSTDEPTH*sqrt(rnd()); + b = (MAXDUSTDEPTH - sdot[i].z) * 255.0 / MAXDUSTDEPTH; + sdot[i].color = SDL_MapRGB(surf_screen->format, b, b, b); } } -int drawlaser() { - int i,xc,hitrock; - Uint16 c, *rawpixel; - - hitrock = -1; - xc = XSIZE; - // let xc = x coordinate of the collision between the laser and a space rock - // 1. Calculate xc and determine the asteroid that was hit - for(i = 0; irock[i].y && yship + 12h && xship + 32w/2) && rock[i].x + (rock[i].image->w/2) < xc) { - xc = rock[i].x + (rock[i].image->w/2); - hitrock = i; - } - } - } - - if(hitrock>= 0) { - rock[hitrock].heat += movementrate*3; - } - - // Plot a number of random dots between xship and XSIZE - SDL_LockSurface(surf_screen); - rawpixel = (Uint16 *) surf_screen->pixels; - c = SDL_MapRGB(surf_ship->format,rnd()*128,128 + rnd()*120,rnd()*128); - - for(i = 0; i<(xc-xship)*5; i += 10) { - int x,y; - x = rnd()*(xc-(xship + 32)) + xship + 32; - y = yship + 12 + (rnd()-0.5)*1.5; - rawpixel[surf_screen->pitch/2*y + x] = c; - } - - SDL_UnlockSurface(surf_screen); -} - - -int makebangdots(int xbang, int ybang, int xvel, int yvel, SDL_Surface *s, int power) { +void +make_bang_dots(int xbang, int ybang, int dx, int dy, SDL_Surface *s, int power) { // TODO - stop generating dots after a certain amount of time has passed, to cope with slower CPUs. // TODO - generate and display dots in a circular buffer - int i,x,y,n,endcount; + int x,y,endcount; Uint16 *rawpixel,c; - double theta,r,dx,dy; + double theta,r; int begin_generate; begin_generate = SDL_GetTicks(); @@ -365,63 +167,62 @@ int makebangdots(int xbang, int ybang, int xvel, int yvel, SDL_Surface *s, int p SDL_LockSurface(s); rawpixel = (Uint16 *) s->pixels; - //for(n = 0; n<= power/2; n ++ ) { + //for(n = 0; n <= power/2; n++) { endcount = 0; while (endcount<3) { + for(x = 0; xw; x++) { + for(y = 0; yh; y++) { + c = rawpixel[s->pitch/2*y + x]; + if(c && c != s->format->colorkey) { - for(x = 0; xw; x ++ ) { - for(y = 0; yh; y ++ ) { - c = rawpixel[s->pitch/2*y + x]; - if(c && c != SDL_MapRGB(s->format,0,255,0)) { - - theta = rnd()*M_PI*2; + theta = rnd()*M_PI*2; - r = 1-(rnd()*rnd()); + r = 1-(rnd()*rnd()); - bdot[bd2].dx = (power/50.0)*45.0*cos(theta)*r + xvel; - bdot[bd2].dy = (power/50.0)*45.0*sin(theta)*r + yvel; - bdot[bd2].x = x + xbang; - bdot[bd2].y = y + ybang; + bdot[bd2].dx = (power/50.0)*45.0*cos(theta)*r + dx; + bdot[bd2].dy = (power/50.0)*45.0*sin(theta)*r + dy; + bdot[bd2].x = x + xbang; + bdot[bd2].y = y + ybang; - // Replace the last few bang dots with the pixels from the exploding object - bdot[bd2].c = (endcount>0)?c:0; - bdot[bd2].life = 100; - bdot[bd2].decay = rnd()*3 + 1; - bdot[bd2].active = 1; + // Replace the last few bang dots with the pixels from the exploding object + bdot[bd2].c = (endcount>0)?c:0; + bdot[bd2].life = 100; + bdot[bd2].decay = rnd()*3 + 1; + bdot[bd2].active = 1; - bd2 ++ ; - bd2 %= MAXBANGDOTS; + bd2++; + bd2 %= MAXBANGDOTS; - // If the circular buffer is filled, who cares? They've had their chance. - //if(bd2 == bd1-1) goto exitloop; + // If the circular buffer is filled, who cares? They've had their chance. + //if(bd2 == bd1-1) goto exitloop; + } } } - } - - if(SDL_GetTicks() - begin_generate > 7) endcount ++ ; + if(SDL_GetTicks() - begin_generate > 7) endcount++; } -exitloop: SDL_UnlockSurface(s); } -void draw_bang_dots(SDL_Surface *s) { +void +draw_bang_dots(SDL_Surface *s) { int i; int first_i, last_i; Uint16 *rawpixel; rawpixel = (Uint16 *) s->pixels; first_i = -1; + last_i = 0; - for(i = bd1; (bd1 <= bd2)?(i= bd1 && i < bd2); last_i = ++i) { + for(i = bd1; (bd1 <= bd2)?(i= bd1 && i < bd2); last_i = ++i) { i %= MAXBANGDOTS; - if(bdot[i].x<= 0 || bdot[i].x>= XSIZE || bdot[i].y<= 0 || bdot[i].y>= YSIZE) { + if(bdot[i].x <= 0 || bdot[i].x >= XSIZE || bdot[i].y <= 0 || bdot[i].y >= YSIZE) { // If the dot has drifted outside the perimeter, kill it bdot[i].active = 0; } @@ -431,16 +232,16 @@ void draw_bang_dots(SDL_Surface *s) { first_i = i; //last_i = i + 1; rawpixel[(int)(s->pitch/2*(int)(bdot[i].y)) + (int)(bdot[i].x)] = bdot[i].c ? bdot[i].c : heatcolor[(int)(bdot[i].life*3)]; - bdot[i].life-= bdot[i].decay; - bdot[i].x += bdot[i].dx*movementrate; - bdot[i].y += bdot[i].dy*movementrate + yscroll; + bdot[i].life -= bdot[i].decay; + bdot[i].x += bdot[i].dx*t_frame - xscroll; + bdot[i].y += bdot[i].dy*t_frame - yscroll; if(bdot[i].life<0) bdot[i].active = 0; } } - if(first_i>= 0) { + if(first_i >= 0) { bd1 = first_i; bd2 = last_i; } @@ -452,39 +253,37 @@ void draw_bang_dots(SDL_Surface *s) { } -void draw_space_dots(SDL_Surface *s) { +void +draw_space_dots(SDL_Surface *s) { int i; Uint16 *rawpixel; rawpixel = (Uint16 *) s->pixels; - for(i = 0; ipitch/2*(int)sdot[i].y) + (int)(sdot[i].x)] = sdot[i].color; - sdot[i].x += sdot[i].dx*movementrate; - sdot[i].y += yscroll; - if(sdot[i].y > YSIZE) { - sdot[i].y -= YSIZE; - } else if(sdot[i].y < 0) { - sdot[i].y += YSIZE; - } - if(sdot[i].x<0) { - sdot[i].x = XSIZE; - } + sdot[i].x -= xscroll / (1.3 + sdot[i].z); + sdot[i].y -= yscroll / (1.3 + sdot[i].z); + if(sdot[i].y >= XSIZE) sdot[i].x -= XSIZE; + else if(sdot[i].x < 0) sdot[i].x = XSIZE-1; + if(sdot[i].y > YSIZE) sdot[i].y -= YSIZE; + else if(sdot[i].y < 0) sdot[i].y += YSIZE-1; } } -void draw_engine_dots(SDL_Surface *s) { +void +draw_engine_dots(SDL_Surface *s) { int i; Uint16 *rawpixel; rawpixel = (Uint16 *) s->pixels; - for(i = 0; iYSIZE) { + edot[i].x += edot[i].dx*t_frame - xscroll; + edot[i].y += edot[i].dy*t_frame - yscroll; + if((edot[i].life -= t_frame*3)<0 || edot[i].y<0 || edot[i].y>YSIZE) { edot[i].active = 0; } else if(edot[i].x<0 || edot[i].x>XSIZE) { edot[i].active = 0; @@ -498,210 +297,105 @@ void draw_engine_dots(SDL_Surface *s) { } } -void create_engine_dots(int newdots) { +void +new_engine_dots(int n, int dir) { int i; - double theta,r,dx,dy; - - if(!tail_plume) return; - - if(state == GAMEPLAY) { - for(i = 0; iactive == 0) { - theta = rnd()*M_PI*2; - r = rnd(); - dx = cos(theta)*r; - dy = sin(theta)*r; - - dotptr->active = 1; - dotptr->x = xship + surf_ship->w/2-14; - dotptr->y = yship + surf_ship->h/2 + (rnd()-0.5)*5-1; - dotptr->dx = 10*(dx-1.5) + xvel; - dotptr->dy = 1*dy + yvel; - dotptr->life = 45 + rnd(1)*5; - - dotptr ++ ; - if(dotptr-edot>= MAXENGINEDOTS) { - dotptr = edot; - } - } - } - } -} - -void create_engine_dots2(int newdots, int m) { - int i; - double theta, theta2, dx, dy, adx, ady; + float a, r; // angle, random length + float dx, dy; + float hx, hy; // half ship width/height. + static const int s[4] = { 2, 1, 0, 1 }; - // Don't create fresh engine dots when - // the game is not being played and a demo is not beng shown - if(state!= GAMEPLAY && state!= DEMO) return; + hx = surf_ship->w / 2; + hy = surf_ship->h / 2; - for(i = 0; iactive == 0) { - theta = rnd()*M_PI*2; - theta2 = rnd()*M_PI*2; - - dx = cos(theta) * fabs(cos(theta2)); - dy = sin(theta) * fabs(cos(theta2)); - adx = fabs(dx); - ady = fabs(dy); - + a = rnd()*M_PI + (dir-1)*M_PI_2; + r = sin(rnd()*M_PI); + dx = r * cos(a); + dy = r * -sin(a); // screen y is "backwards". dotptr->active = 1; - dotptr->x = xship + surf_ship->w/2 + (rnd()-0.5)*3; - dotptr->y = yship + surf_ship->h/2 + (rnd()-0.5)*3; - - switch(m) { - case 0: - dotptr->x-= 14; - dotptr->dx = -20*adx + xvel; - dotptr->dy = 2*dy + yvel; - dotptr->life = 60 * adx; - break; - case 1: - dotptr->dx = 2*dx + xvel; - dotptr->dy = -20*ady + yvel; - dotptr->life = 60 * ady; - break; - case 2: - dotptr->x += 14; - dotptr->dx = 20*adx + xvel; - dotptr->dy = 2*dy + yvel; - dotptr->life = 60 * adx; - break; - case 3: - dotptr->dx = 2*dx + xvel; - dotptr->dy = 20*ady + yvel; - dotptr->life = 60 * ady; - break; + dotptr->x = shipx + s[dir]*hx + (rnd()-0.5)*3; + dotptr->y = shipy + s[(dir+1)&3]*hy + (rnd()-0.5)*3; + if(dir&1) { + dotptr->dx = shipdx + 2*dx; + dotptr->dy = shipdy + 20*dy; + dotptr->life = 60 * fabs(dy); + } else { + dotptr->dx = shipdx + 20*dx; + dotptr->dy = shipdy + 2*dy; + dotptr->life = 60 * fabs(dx); } - dotptr ++ ; - if(dotptr-edot>= MAXENGINEDOTS) { + + dotptr++; + if(dotptr-edot >= MAXENGINEDOTS) { dotptr = edot; } } } } -int drawdots(SDL_Surface *s) { - int m, scorepos, n; - - SDL_LockSurface(s); - // Draw the background stars aka space dots - draw_space_dots(s); - - // Draw the score when playing the game or whn the game is freshly over - if(1 || state == GAMEPLAY || state == DEAD_PAUSE || state == GAME_OVER ) { - SDL_UnlockSurface(s); - - scorepos = XSIZE-250; - n = snprintf(topline, 50, "Time: "); - snprintscore(topline + n, 50-n, score); - PutString(s,scorepos,0,topline); - - SDL_LockSurface(s); - } - - // Draw all the engine dots - draw_engine_dots(s); - - // Create more engine dots comin out da back - if(!gameover) - create_engine_dots(200); +void +drawdots(SDL_Surface *s) { + int m; // Create engine dots out the side we're moving from - for(m = 0; m<4; m ++ ) { - if(maneuver & 1< 0) + SDL_LockSurface(s); + draw_space_dots(s); + draw_engine_dots(s); draw_bang_dots(s); - SDL_UnlockSurface(s); } -char * load_file(char *s) { - static char retval[1024]; - snprintf(retval, 1024, "%s/%s", data_dir, s); - return retval; -} - - -int missing(char *dirname) { - struct stat buf; - stat(dirname, &buf); - return (!S_ISDIR(buf.st_mode)); -} +int +init(void) { -int init(int fullscreen) { - - int i,j; + int i; SDL_Surface *temp; - Uint16 *raw_pixels; Uint32 flag; + // Where are our data files? + if(!find_files()) exit(1); read_high_score_table(); - // Where are our data files? - // default: ./data - // second alternative: RD_DATADIR - // final alternative: /usr/share/vor - data_dir = strdup("./data"); - if(missing(data_dir)) { - char *env; - env = getenv("RD_DATADIR"); - if(env != NULL) { - data_dir = strdup(env); - if(missing(data_dir)) { - fprintf (stderr,"Cannot find data directory $RD_DATADIR\n"); - exit(-1); - } + if(opt_sound) { + // Initialize SDL with audio and video + if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) != 0) { + opt_sound = 0; + printf ("Can't open sound, starting without it\n"); + atexit(SDL_Quit); } else { - data_dir = strdup("/usr/share/vor"); - if(missing(data_dir)) { - fprintf (stderr,"Cannot find data in %s\n", data_dir); - exit(-2); - } + atexit(SDL_Quit); + atexit(SDL_CloseAudio); + opt_sound = init_sound(); } - } - - if(oss_sound_flag) { - - // Initialise SDL with audio and video - if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO)!= 0) { - oss_sound_flag = 0; - printf ("Can't open sound, starting without it\n"); - atexit(SDL_Quit); } else { + // Initialize with video only + CONDERROR(SDL_Init(SDL_INIT_VIDEO) != 0); atexit(SDL_Quit); - atexit(SDL_CloseAudio); - oss_sound_flag = init_sound(); } - } else { - // Initialise with video only - CONDERROR(SDL_Init(SDL_INIT_VIDEO)!= 0); - atexit(SDL_Quit); - } - - if(oss_sound_flag) play_tune(0); // Attempt to get the required video size flag = SDL_DOUBLEBUF | SDL_HWSURFACE; - if(fullscreen) flag |= SDL_FULLSCREEN; + if(opt_fullscreen) flag |= SDL_FULLSCREEN; surf_screen = SDL_SetVideoMode(XSIZE,YSIZE,16,flag); // Set the title bar text - SDL_WM_SetCaption("Rock Dodgers", "rockdodgers"); + SDL_WM_SetCaption("Variations on Rockdodger", "VoR"); NULLERROR(surf_screen); // Set the heat color from the range 0 (cold) to 300 (blue-white) - for(i = 0; iformat, (ipixels; - for(i = 0; iw; i ++ ) { - for(j = 0; jh; j ++ ) { - if(raw_pixels[j*(surf_ship->pitch)/2 + i] == 0) { - blackptr->x = i; - blackptr->y = j; - blackptr ++ ; - } - } - } - - SDL_UnlockSurface(surf_ship); - init_engine_dots(); init_space_dots(); - // Load all our lovely rocks - for(i = 0; iw; - src.h = surf_ship->h; - dest.w = src.w; - dest.h = src.h; - dest.x = (int)xship; - dest.y = (int)yship; - SDL_BlitSurface(surf_ship,&src,surf_screen,&dest); + if(!gameover && state == GAMEPLAY ) { + dest.x = shipx; + dest.y = shipy; + SDL_BlitSurface(surf_ship,NULL,surf_screen,&dest); } - // Draw all the rocks, in all states - for(i = 0; iw; - src.h = rock[i].image->h; - dest.w = src.w; - dest.h = src.h; - dest.x = (int) rock[i].x; - dest.y = (int) rock[i].y; - - // Draw the rock - SDL_BlitSurface(rock[i].image,&src,surf_screen,&dest); - - // Draw the heated part of the rock, in an alpha which reflects the - // amount of heat in the rock. - if(rock[i].heat>0) { - SDL_Surface *deadrock; - deadrock = surf_deadrock[rock[i].type_number]; - SDL_SetAlpha(deadrock,SDL_SRCALPHA,rock[i].heat*255/rock[i].image->h); - dest.x = (int) rock[i].x; // kludge - SDL_BlitSurface(deadrock,&src,surf_screen,&dest); - if(rnd()<0.3) { - rock[i].heat-= movementrate; - } - } + draw_rocks(); - // If the rock is heated past a certain point, the water content of - // the rock flashes to steam, releasing enough energy to destroy - // the rock in spectacular fashion. - if(rock[i].heat>rock[i].image->h) { - rock[i].active = 0; - play_sound(1 + (int)(rnd()*3)); - makebangdots(rock[i].x,rock[i].y,rock[i].xvel,rock[i].yvel,rock[i].image,10); - } - - } + // Draw the life indicators. + if(state == GAMEPLAY || state == DEAD_PAUSE || state == GAME_OVER) + for(i = 0; iw + 10); + dest.y = 20; + SDL_BlitSurface(surf_life, NULL, surf_screen, &dest); } + // Draw the score + snprintscore_line(topline, 50, score); + SFont_Write(surf_screen, g_font, XSIZE-250, 0, topline); + // If it's game over, show the game over graphic in the dead centre switch (state) { case GAME_OVER: @@ -901,189 +497,84 @@ int draw() { fadeover = 1.0; } - src.w = surf_b_game->w; - src.h = surf_b_game->h; - dest.w = src.w; - dest.h = src.h; - dest.x = (XSIZE-src.w)/2; - dest.y = (YSIZE-src.h)/2-40; - SDL_SetAlpha(surf_b_game, SDL_SRCALPHA, (int)(fadegame*(200 + 55*cos(fadetimer += movementrate/1.0)))); - SDL_BlitSurface(surf_b_game,&src,surf_screen,&dest); - - src.w = surf_b_over->w; - src.h = surf_b_over->h; - dest.w = src.w; - dest.h = src.h; - dest.x = (XSIZE-src.w)/2; - dest.y = (YSIZE-src.h)/2 + 40; + dest.x = (XSIZE-surf_b_game->w)/2; + dest.y = (YSIZE-surf_b_game->h)/2-40; + SDL_SetAlpha(surf_b_game, SDL_SRCALPHA, (int)(fadegame*(200 + 55*cos(fadetimer += t_frame/1.0)))); + SDL_BlitSurface(surf_b_game,NULL,surf_screen,&dest); + + dest.x = (XSIZE-surf_b_over->w)/2; + dest.y = (YSIZE-surf_b_over->h)/2 + 40; SDL_SetAlpha(surf_b_over, SDL_SRCALPHA, (int)(fadeover*(200 + 55*sin(fadetimer)))); - SDL_BlitSurface(surf_b_over,&src,surf_screen,&dest); + SDL_BlitSurface(surf_b_over,NULL,surf_screen,&dest); break; case TITLE_PAGE: - src.w = surf_b_variations->w; - src.h = surf_b_variations->h; - dest.w = src.w; - dest.h = src.h; - dest.x = (XSIZE-src.w)/2 + cos(fadetimer/6.5)*10; - dest.y = (YSIZE/2-src.h)/2 + sin(fadetimer/5.0)*10; - SDL_SetAlpha(surf_b_variations, SDL_SRCALPHA, (int)(200 + 55*sin(fadetimer += movementrate/2.0))); - SDL_BlitSurface(surf_b_variations,&src,surf_screen,&dest); - - src.w = surf_b_on->w; - src.h = surf_b_on->h; - dest.w = src.w; - dest.h = src.h; - dest.x = (XSIZE-src.w)/2 + cos((fadetimer + 1.0)/6.5)*10; - dest.y = (YSIZE/2-src.h)/2 + surf_b_variations->h + 20 + sin((fadetimer + 1.0)/5.0)*10; + dest.x = (XSIZE-surf_b_variations->w)/2 + cos(fadetimer/6.5)*10; + dest.y = (YSIZE/2-surf_b_variations->h)/2 + sin(fadetimer/5.0)*10; + SDL_SetAlpha(surf_b_variations, SDL_SRCALPHA, (int)(200 + 55*sin(fadetimer += t_frame/2.0))); + SDL_BlitSurface(surf_b_variations,NULL,surf_screen,&dest); + + dest.x = (XSIZE-surf_b_on->w)/2 + cos((fadetimer + 1.0)/6.5)*10; + dest.y = (YSIZE/2-surf_b_on->h)/2 + surf_b_variations->h + 20 + sin((fadetimer + 1.0)/5.0)*10; SDL_SetAlpha(surf_b_on, SDL_SRCALPHA, (int)(200 + 55*sin(fadetimer-1.0))); - SDL_BlitSurface(surf_b_on,&src,surf_screen,&dest); - - src.w = surf_b_rockdodger->w; - src.h = surf_b_rockdodger->h; - dest.w = src.w; - dest.h = src.h; - dest.x = (XSIZE-src.w)/2 + cos((fadetimer + 2.0)/6.5)*10; - dest.y = (YSIZE/2-src.h)/2 + surf_b_variations->h + surf_b_on->h + 40 + sin((fadetimer + 2.0)/5)*10; + SDL_BlitSurface(surf_b_on,NULL,surf_screen,&dest); + + dest.x = (XSIZE-surf_b_rockdodger->w)/2 + cos((fadetimer + 2.0)/6.5)*10; + dest.y = (YSIZE/2-surf_b_rockdodger->h)/2 + surf_b_variations->h + surf_b_on->h + 40 + sin((fadetimer + 2.0)/5)*10; SDL_SetAlpha(surf_b_rockdodger, SDL_SRCALPHA, (int)(200 + 55*sin(fadetimer-2.0))); - SDL_BlitSurface(surf_b_rockdodger,&src,surf_screen,&dest); + SDL_BlitSurface(surf_b_rockdodger,NULL,surf_screen,&dest); text = "Version " VERSION; - x = (XSIZE-SFont_wide(text))/2 + sin(fadetimer/4.5)*10; - PutString(surf_screen,x,YSIZE-50 + sin(fadetimer/2)*5,text); + x = (XSIZE-SFont_TextWidth(g_font,text))/2 + sin(fadetimer/4.5)*10; + SFont_Write(surf_screen,g_font,x,YSIZE-50 + sin(fadetimer/2)*5,text); text = sequence[(int)(fadetimer/40)%NSEQUENCE]; //text = "Press SPACE to start!"; - x = (XSIZE-SFont_wide(text))/2 + cos(fadetimer/4.5)*10; - PutString(surf_screen,x,YSIZE-100 + cos(fadetimer/3)*5,text); + x = (XSIZE-SFont_TextWidth(g_font,text))/2 + cos(fadetimer/4.5)*10; + SFont_Write(surf_screen,g_font,x,YSIZE-100 + cos(fadetimer/3)*5,text); break; case HIGH_SCORE_ENTRY: + play_tune(2); + if(!process_score_input()) { // done inputting name - if(score >= high[7].score) { - play_tune(2); - if(SFont_Input (surf_screen, 330, 50 + (scorerank + 2)*font_height, 300, name)) { - // Insert name into high score table - - // Lose the lowest name forever (loser!) - //if(high[7].allocated) - // free(high[7].name); // THIS WAS CRASHING SO I REMOVED IT - - // Insert new high score - high[scorerank].score = score; - high[scorerank].name = strdup(name); // MEMORY NEVER FREED! - high[scorerank].allocated = 1; - - // Set the global name string to "", ready for the next winner - name[0] = 0; - - // Change state to briefly show high scores page - state = HIGH_SCORE_DISPLAY; - state_timeout = 200; - - // Write the high score table to the file - write_high_score_table(); - - // Play the title page tune - play_tune(0); - } - } else { + // Change state to briefly show high scores page state = HIGH_SCORE_DISPLAY; - state_timeout = 400; - } - // FALL THROUGH + state_timeout = 200; + // Write the high score table to the file + write_high_score_table(); + + // Play the title page tune + play_tune(0); + } + // FALL THROUGH TO case HIGH_SCORE_DISPLAY: // Display de list o high scores mon. - PutString(surf_screen,180,50,"High scores"); - for(i = 0; i<8; i ++ ) { - char s[1024]; - sprintf(s, "#%1d",i + 1); - PutString(surf_screen, 150, 50 + (i + 2)*font_height,s); - snprintscore(s, 1024, high[i].score); - PutString(surf_screen, 200, 50 + (i + 2)*font_height,s); - sprintf(s, "%3s", high[i].name); - PutString(surf_screen, 330, 50 + (i + 2)*font_height,s); - } - + display_scores(surf_screen, 150,50); + break; + case GAMEPLAY: + case DEAD_PAUSE: + ; // no action necessary } if(!gameover && state == GAMEPLAY) { - // Show the freaky shields - SDL_LockSurface(surf_screen); - raw_pixels = (Uint16 *) surf_screen->pixels; - if(initialshield>0 || shieldsup && shieldlevel>0) { - int x,y,l; - Uint16 c; - - if(initialshield>0) { - initialshield-= movementrate; - c = SDL_MapRGB(surf_screen->format,0,255,255); - } else { - c = heatcolor[(int)shieldlevel]; - shieldlevel-= movementrate; - } - - shieldpulse += 0.2; - for(p = black_point; px + (int)xship + (rnd() + rnd()-1)*sin(shieldpulse)*4 + 1; - y = p->y + (int)yship + (rnd() + rnd()-1)*sin(shieldpulse)*4 + 1; - if(x>0 && y>0 && xpitch/2 * y + x; - raw_pixels[offset] = c; - } - } - } else { - // When the shields are off, check that the black points - // on the ship are still black, and not covered up by rocks - for(p = black_point; ppitch/2 * (p->y + (int)yship) + p->x + (int)xship; - if(raw_pixels[offset]) { - // Set the bang flag - bang = 1; - } - } - } - SDL_UnlockSurface(surf_screen); + bang = hit_rocks(shipx, shipy, &shipshape); } -#ifdef DOTCOLLISION - dotcollision(surf_screen); // Kill dots that are not on their spots -#endif - - // Draw all the little ships - if(state == GAMEPLAY || state == DEAD_PAUSE || state == GAME_OVER) - for(i = 0; iw; - src.h = surf_life->h; - dest.w = src.w; - dest.h = src.h; - dest.x = (i + 1)*(src.w + 10); - dest.y = 20; - SDL_BlitSurface(surf_life,&src,surf_screen,&dest); - } - - - // Update the score - /* - n = SDL_GetTicks()-initticks; - if(score) - ticks_since_last = n-score; - score = n; - */ - - ticks_since_last = SDL_GetTicks()-last_ticks; - last_ticks = SDL_GetTicks(); - if(ticks_since_last>200 || ticks_since_last<0) { - movementrate = 0; - } - else { - movementrate = ticks_since_last/50.0; - if(state == GAMEPLAY) { - score += ticks_since_last; - } + ms_frame = SDL_GetTicks() - ms_end; + ms_end += ms_frame; + if(ms_frame>200 || ms_frame<0) { + // We won't run at all below 5 frames per second. + // This also happens if we were paused, grr. + s_frame = 0; + ms_frame = 0; + } else { + s_frame = opt_gamespeed * ms_frame / 1000; + if(state == GAMEPLAY) score += ms_frame; } + t_frame = s_frame * 20; // Update the surface SDL_Flip(surf_screen); @@ -1091,179 +582,152 @@ int draw() { return bang; } -int gameloop() { - int i = 0; + +int +gameloop() { Uint8 *keystate; + float tmp; for(;;) { if(!paused) { // Count down the game loop timer, and change state when it gets to zero or less; - if((state_timeout -= movementrate*3) < 0) { + if((state_timeout -= t_frame*3) < 0) { switch(state) { case DEAD_PAUSE: // Create a new ship and start all over again state = GAMEPLAY; play_tune(1); - initialshield = 150; - xship = 10; - yship = YSIZE/2; - xvel = 2; - yvel = 0; - shieldlevel = 3*W; - break; + break; case GAME_OVER: - state = HIGH_SCORE_ENTRY; - clearBuffer(); - name[0] = 0; - state_timeout = 5.0e6; - - if(score>= high[7].score) { - // Read the high score table from the storage file - read_high_score_table(); - - // Find ranking of this score, store as scorerank - for(i = 0; i<8; i ++ ) { - if(high[i].score <= score) { - scorerank = i; - break; - } - } - - // Move all lower scores down a notch - for(i = 7; i>= scorerank; i--) - high[i] = high[i-1]; - - // Insert blank high score - high[scorerank].score = score; - high[scorerank].name = ""; - high[scorerank].allocated = 0; + if(new_high_score(score)) { + SDL_Event e; + state = HIGH_SCORE_ENTRY; + state_timeout = 5.0e6; + SDL_EnableUNICODE(1); + while(SDL_PollEvent(&e)) + ; + } else if(!keystate[SDLK_SPACE]) { + state = HIGH_SCORE_DISPLAY; + state_timeout = 400; } - - break; + break; case HIGH_SCORE_DISPLAY: state = TITLE_PAGE; state_timeout = 500.0; - break; + break; case HIGH_SCORE_ENTRY: // state = TITLE_PAGE; // play_tune(1); // state_timeout = 100.0; - break; + break; case TITLE_PAGE: state = HIGH_SCORE_DISPLAY; state_timeout = 200.0; - break; + break; + case GAMEPLAY: + ; // no action necessary } - } + } else { + if(state == DEAD_PAUSE) { + float blast_radius; + int fixonly; + + if(state_timeout < DEAD_PAUSE_LENGTH - 20.0) { + blast_radius = BLAST_RADIUS * 1.3; + fixonly = 1; + } else { + blast_radius = BLAST_RADIUS * (DEAD_PAUSE_LENGTH - state_timeout) / 20.0; + fixonly = 0; + } + blast_rocks(bangx, bangy, blast_radius, fixonly); - if(--countdown<= 0 && (rnd()*100.0<(rockrate += 0.025))) { - // Create a rock - rockptr ++ ; - if(rockptr-rock>= MAXROCKS) { - rockptr = rock; - } - if(!rockptr->active) { - rockptr->x = (float)XSIZE; - rockptr->xvel = -(rockspeed)*(1 + rnd()); - rockptr->yvel = rnd()-0.5; - rockptr->type_number = random() % NROCKS; - rockptr->heat = 0; - rockptr->image = surf_rock[rockptr->type_number];// [random()%NROCKS]; - rockptr->active = 1; - rockptr->y = rnd()*(YSIZE + rockptr->image->h); - } - if(movementrate>0.1) { - countdown = (int)(ROCKRATE/movementrate); - } else { - countdown = 0; + if(bangx < 60) bangx = 60; } } - // FRICTION? - if(friction) { - xvel *= pow((double)0.9,(double)movementrate); - yvel *= pow((double)0.9,(double)movementrate); - // if(abs(xvel)<0.00001) xvel = 0; - // if(abs(yvel)<0.00001) yvel = 0; - } + new_rocks(); // INERTIA - xship += xvel*movementrate; - yship += yvel*movementrate; + shipx += shipdx*t_frame; + shipy += shipdy*t_frame; // SCROLLING - yscroll = yship - (YSIZE / 2); - yscroll /= -15; - yscroll = yscroll*movementrate; - yship += yscroll; - - // Move all the rocks - for(i = 0; i YSIZE) { - rock[i].y -= YSIZE; - rock[i].y -= rock[i].image->w; - } else if(rock[i].y < -rock[i].image->w) { - rock[i].y += YSIZE; - rock[i].y += rock[i].image->w; - } - if(rock[i].x<-32.0) - rock[i].active = 0; + tmp = shipy - (YSIZE / 2); + tmp += shipdy * 25; + tmp /= -25; + tmp = ((screendy * (t_frame - 12)) + (tmp * t_frame)) / 12; + screendy = -tmp; + tmp = shipx - (XSIZE / 3); + tmp += shipdx * 25; + tmp /= -25; + tmp = ((screendx * (t_frame - 12)) + (tmp * t_frame)) / 12; + screendx = -tmp; + + // taper off if we would hit the barrier in under 2 seconds. + if(back_dist + (screendx - SCREENDXMIN)*TO_TICKS(2) < 0) { + screendx = SCREENDXMIN - (back_dist/TO_TICKS(2)); } + xscroll = screendx * t_frame; + yscroll = screendy * t_frame; + back_dist += (screendx - SCREENDXMIN)*t_frame; + if(opt_max_lead >= 0) back_dist = min(back_dist, opt_max_lead); + + shipx -= xscroll; + shipy -= yscroll; + + // move bang center + bangx += bangdx*t_frame - xscroll; + bangy += bangdy*t_frame - yscroll; + + move_rocks(); + // BOUNCE X - if(xship<0 || xship>XSIZE-surf_ship->w) { + if(shipx<0 || shipx>XSIZE-surf_ship->w) { // BOUNCE from left and right wall - xship -= xvel*movementrate; - xvel *= -0.99; + shipx -= (shipdx-screendx)*t_frame; + shipdx = screendx - (shipdx-screendx)*opt_bounciness; } // BOUNCE Y - if(yship<0 || yship>YSIZE-surf_ship->h) { + if(shipy<0 || shipy>YSIZE-surf_ship->h) { // BOUNCE from top and bottom wall - yship -= yvel; - yvel *= -0.99; + shipy -= (shipdy-screendy)*t_frame; + shipdy = screendy - (shipdy-screendy)*opt_bounciness; } if(draw() && state == GAMEPLAY) { - if(oss_sound_flag) { - // Play the explosion sound - play_sound(0); - } - makebangdots(xship,yship,xvel,yvel,surf_ship,30); - if(--nships<= 0) { - gameover = 1; + // Died + play_sound(0); // Play the explosion sound + bangx = shipx; bangy = shipy; bangdx = shipdx; bangdy = shipdy; + make_bang_dots(shipx,shipy,shipdx,shipdy,surf_ship,30); + shipdx *= 0.5; shipdy *= 0.5; + if(shipdx < SCREENDXMIN) shipdx = SCREENDXMIN; + if(--nships <= 0) { state = GAME_OVER; + gameover = 1; + shipdx = 8; shipdy = 0; state_timeout = 200.0; fadetimer = 0.0; - faderate = movementrate; + faderate = t_frame; } else { state = DEAD_PAUSE; - state_timeout = 100.0; + state_timeout = DEAD_PAUSE_LENGTH; } } SDL_PumpEvents(); keystate = SDL_GetKeyState(NULL); - if(state!= HIGH_SCORE_ENTRY && (keystate[SDLK_q] || keystate[SDLK_ESCAPE])) { - return 0; - } + // new game + if(keystate[SDLK_SPACE] && (state == HIGH_SCORE_DISPLAY || state == TITLE_PAGE)) { - if(keystate[SDLK_SPACE] && (state == HIGH_SCORE_DISPLAY || state == TITLE_PAGE || state == DEMO)) { - - for(i = 0; iw; - src.h = surf_b_variations->h; - dest.w = src.w; - dest.h = src.h; - dest.x = (XSIZE-src.w)/2; - dest.y = (YSIZE-src.h)/2; - SDL_BlitSurface(surf_b_variations,&src,surf_screen,&dest); - // Update the surface - SDL_Flip(surf_screen); - } pausedown = 1; } } else { @@ -1322,7 +768,6 @@ int gameloop() { } else { - shieldsup = 0; paused = 0; pausedown = 0; } @@ -1331,60 +776,26 @@ int gameloop() { state_timeout = -1; } } - } -} -main(int argc, char **argv) { - int i, x, fullscreen; - fullscreen = 0; - tail_plume = 0; - friction = 0; - oss_sound_flag = 1; - - while ((x = getopt(argc,argv,"efhsp"))>= 0) { - switch(x) { - case 'e': // engine - tail_plume = 1; - break; - case 'f': // fullscreen - fullscreen = 1; - break; - case 'h': // help - printf("Variations on RockDodger\n" - " -e Big tail [E]ngine\n" - " -f [F]ull screen\n" - " -h This [H]elp message\n" - " -p Stupid original [P]hysics (friction)\n" - " -s [S]ilent (no sound)\n"); - exit(0); - break; - case 'p': // physics - friction = 1; - break; - case 's': // silent - oss_sound_flag = 0; - break; + if(state != HIGH_SCORE_ENTRY && (keystate[SDLK_q] || keystate[SDLK_ESCAPE])) { + return 0; } + } +} + +int +main(int argc, char **argv) { + init_opts(); + argp_parse(&argp, argc, argv, 0, 0, 0); - if(init(fullscreen)) { + if(init()) { printf ("ta: '%s'\n",initerror); return 1; } - while(1) { - for(i = 0; i