#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <time.h>
#include "font.h"
#include "args.h"
#include "common.h"
-#include "config.h"
+#include <config.h>
+#include "vorconfig.h"
#include "dust.h"
#include "file.h"
#include "float.h"
font *g_font;
+#define ENGINEDOT 0
+#define BANGDOT 1
+
struct dot {
int active;
float x, y;
float mass; // in DOT_MASS_UNITs
float decay; // rate at which to reduce mass.
int heat; // heat multiplier (color).
+ uint8_t type; // BANGDOT or ENGINEDOT
};
+void draw(void);
+
struct dot edot[MAXENGINEDOTS], *dotptr = edot;
struct dot bdot[MAXBANGDOTS];
// Other global variables
char topline[1024];
char *initerror = "";
+int screenshot_number = 0;
struct ship ship = { SHIP, 0, NULL, XSIZE/2, YSIZE/2, BARRIER_SPEED, 0.0 };
float fadetimer = 0;
-int pausedown = 0, paused = 0;
+int paused = 0;
// bangdot start (bd1) and end (bd2) position:
int bd1 = 0, bd2 = 0;
{
"Press SPACE for normal game",
"Press '1' for easy game",
- "http://jasonwoof.org/vor"
+ "https://sametwice.com/vor"
},
{
"Press SPACE for easy game",
"Press '2' for normal game",
- "http://jasonwoof.org/vor"
+ "https://sametwice.com/vor"
}
};
// ************************************* FUNCS
+#ifdef HAVE_NANOSLEEP
void
-init_engine_dots() {
+tiny_sleep() {
+ struct timespec t;
+ t.tv_sec = 0;
+ t.tv_nsec = 1;
+ nanosleep(&t, 0);
+}
+#else
+#define tiny_sleep()
+#endif
+
+void
+init_dots() {
int i;
for(i = 0; i<MAXENGINEDOTS; i++) {
edot[i].active = 0;
+ edot[i].type = ENGINEDOT;
+ }
+ for(i = 0; i<MAXBANGDOTS; i++) {
+ bdot[i].active = 0;
+ bdot[i].type = BANGDOT;
}
}
if(SDL_MUSTLOCK(img)) { SDL_UnlockSurface(img); }
}
+void
+kill_rock(struct rock *r) {
+ r->x = -200;
+}
void
move_dot(struct dot *d)
if(hit) if(hit->type != SHIP) {
d->active = 0;
mass = sprite_mass(hit);
+ if(d->type == BANGDOT) {
+ struct rock *rock = (struct rock*)hit;
+ rock->life -= (d->dx - hit->dx) * (d->dx - hit->dx) + (d->dy - hit->dy) * (d->dy - hit->dy);
+ if(rock->life < 0) {
+ kill_rock(rock);
+ }
+ }
hit->dx += DOT_MASS_UNIT * d->mass * (d->dx - hit->dx) / mass;
hit->dy += DOT_MASS_UNIT * d->mass * (d->dy - hit->dy) / mass;
}
font_free(g_font);
}
+void
+set_video_mode() {
+ Uint32 flag;
+
+ // Attempt to get the required video size
+ flag = SDL_DOUBLEBUF | SDL_HWSURFACE;
+ if(opt_fullscreen) flag |= SDL_FULLSCREEN;
+ surf_screen = SDL_SetVideoMode(XSIZE,YSIZE,16,flag);
+}
+
+void
+toggle_fullscreen() {
+ opt_fullscreen = 1 - opt_fullscreen;
+ set_video_mode();
+ if(paused) {
+ draw();
+ }
+}
+
+
int
init(void) {
int i;
char *s;
- Uint32 flag;
// Where are our data files?
if(!find_files()) exit(1);
play_tune(TUNE_TITLE_PAGE);
+
// Attempt to get the required video size
- flag = SDL_DOUBLEBUF | SDL_HWSURFACE;
- if(opt_fullscreen) flag |= SDL_FULLSCREEN;
- surf_screen = SDL_SetVideoMode(XSIZE,YSIZE,16,flag);
+ set_video_mode();
// Set the title bar text
SDL_WM_SetCaption("Variations on Rockdodger", "VoR");
exit(1);
}
- init_engine_dots();
+ init_dots();
init_dust();
init_sprites();
x = (XSIZE-font_width(text))/2 + cos(fadetimer/4.5)*10;
font_write(x,YSIZE-100 + cos(fadetimer/3)*5,text);
- text = "Version " VERSION;
+ text = "Version " PACKAGE_VERSION;
x = (XSIZE-font_width(text))/2 + sin(fadetimer/4.5)*10;
font_write(x,YSIZE-50 + sin(fadetimer/2)*5,text);
}
show_score();
switch (state) {
- case GAME_OVER: draw_game_over(); break;
+ case GAME_OVER:
+ draw_game_over();
+ break;
- case TITLE_PAGE: draw_title_page(); break;
+ case TITLE_PAGE:
+ draw_title_page();
+ break;
- case HIGH_SCORE_ENTRY: play_tune(TUNE_HIGH_SCORE_ENTRY);
- // and fall through to
+ case HIGH_SCORE_ENTRY:
case HIGH_SCORE_DISPLAY:
- // Display de list o high scores mon.
display_scores(150,50);
break;
+
case GAMEPLAY:
case DEAD_PAUSE:
; // no action necessary
if(ship->dx < BARRIER_SPEED) ship->dx = BARRIER_SPEED;
} else {
state = GAME_OVER;
+ play_tune(TUNE_TITLE_PAGE);
state_timeout = 200.0;
fadetimer = 0.0;
ship->flags = 0;
// Restore the ship and continue playing
ship.flags = DRAW|MOVE|COLLIDE;
state = GAMEPLAY;
- play_tune(TUNE_GAMEPLAY);
break;
case GAME_OVER:
if(new_high_score(score)) init_score_entry();
autopilot(t_frame);
}
- while(SDL_PollEvent(&e)) {
+ while(paused ? SDL_WaitEvent(&e) : SDL_PollEvent(&e)) {
switch(e.type) {
case SDL_QUIT: return;
case SDL_KEYDOWN:
+ // even during high-score entry
+ if(e.key.keysym.sym == SDLK_ESCAPE) {
+ return;
+ }
+
if(state == HIGH_SCORE_ENTRY) {
if(!process_score_input(&e.key.keysym)) {
// Write the high score table to the file
// continue to display the scores briefly
state = HIGH_SCORE_DISPLAY;
state_timeout = 200;
- play_tune(TUNE_TITLE_PAGE);
}
- } else if(e.key.keysym.sym == SDLK_q) {
- return;
- }
-
- if(e.key.keysym.sym == SDLK_ESCAPE) {
- return;
+ } else {
+ switch(e.key.keysym.sym) {
+ case SDLK_q:
+ return;
+ case SDLK_3:
+ case SDLK_PRINT:
+ {
+ FILE *screenshot_fp;
+ char tmp[30];
+ char *screenshot_filename = &(tmp[0]);
+ for(;;) {
+ snprintf(screenshot_filename, 30, "vor-screenshot-%02i.bmp", screenshot_number++);
+ screenshot_fp = fopen(screenshot_filename, "r");
+ if(screenshot_fp) {
+ fclose(screenshot_fp);
+ } else {
+ break;
+ }
+ }
+ SDL_SaveBMP(surf_screen, screenshot_filename);
+ }
+ break;
+ case SDLK_SPACE:
+ if(state != GAMEPLAY && state != DEAD_PAUSE) {
+ // don't conflict with space key to start a new game
+ break;
+ }
+ // else fall through
+ case SDLK_p:
+ case SDLK_PAUSE:
+ paused = !paused;
+ if(paused) {
+ pause_tune();
+ } else {
+ resume_tune();
+ ms_end = SDL_GetTicks();
+ }
+ break;
+ case SDLK_f:
+ case SDLK_F11:
+ toggle_fullscreen();
+ break;
+ default:
+ // other keys are handled by checking keystate each frame
+ break;
+ }
}
break;
}
if(!paused) {
score += ms_frame;
- if(keystate[SDLK_LEFT] || keystate[SDLK_h]) { ship.dx -= THRUSTER_STRENGTH*t_frame; ship.jets |= 1<<0;}
- if(keystate[SDLK_DOWN] || keystate[SDLK_t]) { ship.dy += THRUSTER_STRENGTH*t_frame; ship.jets |= 1<<1;}
- if(keystate[SDLK_RIGHT] || keystate[SDLK_n]) { ship.dx += THRUSTER_STRENGTH*t_frame; ship.jets |= 1<<2;}
- if(keystate[SDLK_UP] || keystate[SDLK_c]) { ship.dy -= THRUSTER_STRENGTH*t_frame; ship.jets |= 1<<3;}
+ if(keystate[SDLK_LEFT] || keystate[SDLK_KP4]) {
+ ship.dx -= THRUSTER_STRENGTH*t_frame; ship.jets |= 1<<0;
+ }
+ if(keystate[SDLK_DOWN] || keystate[SDLK_KP5] || keystate[SDLK_KP2]) {
+ ship.dy += THRUSTER_STRENGTH*t_frame; ship.jets |= 1<<1;
+ }
+ if(keystate[SDLK_RIGHT] || keystate[SDLK_KP6]) {
+ ship.dx += THRUSTER_STRENGTH*t_frame; ship.jets |= 1<<2;
+ }
+ if(keystate[SDLK_UP] || keystate[SDLK_KP8]) {
+ ship.dy -= THRUSTER_STRENGTH*t_frame; ship.jets |= 1<<3;
+ }
if(ship.jets) {
ship.dx = fconstrain2(ship.dx, -50, 50);
ship.dy = fconstrain2(ship.dy, -50, 50);
}
- if(keystate[SDLK_3]) { SDL_SaveBMP(surf_screen, "snapshot.bmp"); }
}
- if(keystate[SDLK_p] | keystate[SDLK_s]) {
- if(!pausedown) {
- paused = !paused;
- pausedown = 1;
- if(!paused) ms_end = SDL_GetTicks();
- }
- } else {
- pausedown = 0;
- }
}
if(!paused) {
state = HIGH_SCORE_DISPLAY;
state_timeout = 400;
}
+
+ tiny_sleep();
}
}
frames = 0;
gameloop();
end = SDL_GetTicks();
- printf("%ld frames in %ld ms, %.2f fps.\n", frames, end-start, frames * 1000.0 / (end-start));
+ // printf("%ld frames in %ld ms, %.2f fps.\n", frames, end-start, frames * 1000.0 / (end-start));
return 0;
}
Got questions, comments, patches, etc.? Contact Jason Woofenden