const char *argp_program_bug_address = "<josh@qualdan.com>";
static char doc[] = "VoR: Dodge the rocks until you die.";
static struct argp_option opts[] = {
- {0, 0, 0, 0, "Basic Options:", 0},
- {"full-screen", 'f', 0, 0, "", 0},
- {"music", 'm', 0, 0, "Enable music", 0},
- {"silent", 's', 0, 0, "Turn off explosion sounds", 0},
- {0, 0, 0, 0, "Gameplay Options:", 1},
- {"game-speed", 'g', "N%", 0, "Game speed [50-100%]", 1},
- {"engine", 'e', 0, 0, "Display large tail plume", 1},
- {"old-physics", 'p', 0, 0, "Original physics (i.e. friction).", 1},
+ {0, 0, 0, 0, "Basic Options:"},
+ {"full-screen", 'f', 0, 0, ""},
+ {"music", 'm', 0, 0, "Enable music"},
+ {"silent", 's', 0, 0, "Turn off explosion sounds"},
+ {0, 0, 0, 0, "Gameplay Options:"},
+ {"game-speed", 'g', "N%", 0, "Game speed [50-100%]"},
+ {"engine", 'e', 0, 0, "Display large tail plume"},
+ {"old-physics", 'p', 0, 0, "Original physics (i.e. friction)."},
{0}
};
error_t parse_opt(int, char*, struct argp_state *);
struct shape shipshape;
float shipx = XSIZE/2, shipy = YSIZE/2; // X position, 0..XSIZE
-float shipdx = 7.5, shipdy = 0.0; // Change in X position per tick.
-float screendx = 7.5, screendy = 0.0;
+float shipdx = SCREENDXMIN, shipdy = 0.0; // Change in X position per tick.
+float screendx = SCREENDXMIN, screendy = 0.0;
float xscroll, yscroll;
float gamerate; // this controls the speed of everything that moves.
tmp /= -25;
tmp = ((screendx * (gamerate - 12)) + (tmp * gamerate)) / 12;
screendx = -tmp;
- if(screendx < 7.5) screendx=7.5;
+ if(screendx < SCREENDXMIN) screendx=SCREENDXMIN;
xscroll = screendx * gamerate;
yscroll = screendy * gamerate;
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;
// timers for rock generation.
float rtimers[4];
-int32_t rcnt, lrcnt;
-int32_t rsum, rsamples;
-float ravg;
-
uint32_t nrocks;
uint32_t nrocks_timer;
uint32_t nrocks_inc_ticks = 2*60*1000/(F_ROCKS-I_ROCKS);
for(i = 0; i<MAXROCKS; i++) rock[i].active = 0;
nrocks = I_ROCKS;
nrocks_timer = 0;
- rcnt = 0; lrcnt = -1;
- rsum = 0; rsamples = 0;
}
enum { LEFT, RIGHT, TOP, BOTTOM };
dx0 = -RDX - screendx; dx1 = RDX - screendx;
dy0 = -RDY - screendy; dy1 = RDY - screendy;
- if(dx0 != 0) {
- if(dx0 < 0) {
- speed_max[RIGHT] = -dx0;
- if(dx1 < 0) {
- // Rocks moving left only. So the RIGHT side of the screen
- speed_min[RIGHT] = -dx1;
- ti[RIGHT] = -(dx0+dx1)/2;
- } else {
- // Rocks moving left and right
- speed_max[LEFT] = dx1;
- ti[RIGHT] = -dx0/2;
- ti[LEFT] = dx1/2;
- }
+ if(dx0 < 0) {
+ speed_max[RIGHT] = -dx0;
+ if(dx1 < 0) {
+ // Rocks moving left only. So the RIGHT side of the screen
+ speed_min[RIGHT] = -dx1;
+ ti[RIGHT] = -(dx0+dx1)/2;
} else {
- // Rocks moving right only. So the LEFT side of the screen
- speed_min[LEFT] = dx0;
+ // Rocks moving left and right
speed_max[LEFT] = dx1;
- ti[LEFT] = (dx0+dx1)/2;
+ ti[RIGHT] = -dx0/2;
+ ti[LEFT] = dx1/2;
}
+ } else {
+ // Rocks moving right only. So the LEFT side of the screen
+ speed_min[LEFT] = dx0;
+ speed_max[LEFT] = dx1;
+ ti[LEFT] = (dx0+dx1)/2;
}
ti[LEFT] *= hfactor;
ti[RIGHT] *= hfactor;
- if(dy0 != 0) {
- if(dy0 < 0) {
- speed_max[BOTTOM] = -dy0;
- if(dy1 < 0) {
- // Rocks moving up only. So the BOTTOM of the screen
- speed_min[BOTTOM] = -dy1;
- ti[BOTTOM] = -(dy0+dy1)/2;
- } else {
- // Rocks moving up and down
- speed_max[TOP] = dy1;
- ti[BOTTOM] = -dy0/2;
- ti[TOP] = dy1/2;
- }
+ if(dy0 < 0) {
+ speed_max[BOTTOM] = -dy0;
+ if(dy1 < 0) {
+ // Rocks moving up only. So the BOTTOM of the screen
+ speed_min[BOTTOM] = -dy1;
+ ti[BOTTOM] = -(dy0+dy1)/2;
} else {
- // Rocks moving down only. so the TOP of the screen
- speed_min[TOP] = dy0;
+ // Rocks moving up and down
speed_max[TOP] = dy1;
- ti[TOP] = (dy0+dy1)/2;
+ ti[BOTTOM] = -dy0/2;
+ ti[TOP] = dy1/2;
}
+ } else {
+ // Rocks moving down only. so the TOP of the screen
+ speed_min[TOP] = dy0;
+ speed_max[TOP] = dy1;
+ ti[TOP] = (dy0+dy1)/2;
}
ti[TOP] *= vfactor;
ti[BOTTOM] *= vfactor;
}
rockptr->active = 1;
- rcnt++;
}
}
}
if(rock[i].x < -rock[i].image->w || rock[i].x >= XSIZE
|| rock[i].y < -rock[i].image->h || rock[i].y >= YSIZE) {
rock[i].active = 0;
- rcnt--;
}
}
}
- /*
- if(lrcnt == -1 && rcnt == nrocks) lrcnt = 0;
- if(rcnt != lrcnt && lrcnt != -1) {
- lrcnt = rcnt;
- rsum += rcnt-nrocks; rsamples++;
- ravg = (float) rsum / rsamples;
- printf("%.2f%%\n", 100.0 * ravg / nrocks);
- }
- */
}
void