* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include <argp.h>
#include <math.h>
#include <SDL.h>
#include <SDL_image.h>
#include "sprite.h"
#include "sound.h"
+#ifdef WIN32
+#define SDL_SetAlpha(surf, flag, alpha)
+#endif
+
// ************************************* VARS
// SDL_Surface global variables
SDL_Surface
enum states state = TITLE_PAGE;
float state_timeout = 600.0;
-#define NSEQUENCE 2
-char *sequence[] = {
- "Press SPACE to start",
- "http://jasonwoof.org/vor"
+#define NSEQUENCE 3
+char *msgs[2][3] = {
+ {
+ "Press SPACE for normal game",
+ "Press '1' for easy game",
+ "http://jasonwoof.org/vor"
+ },
+ {
+ "Press SPACE for easy game",
+ "Press '2' for normal game",
+ "http://jasonwoof.org/vor"
+ }
};
int bangdotlife, nbangdots;
void
new_bang_dots(int xbang, int ybang, int dx, int dy, SDL_Surface *s)
{
- int x,y,endcount;
- uint16_t *pixel,c;
+ int i, n, x, y;
+ uint16_t *pixel, c;
uint32_t colorkey;
int row_inc;
- double theta,r;
- int begin_generate;
+ double theta, r;
- begin_generate = SDL_GetTicks();
+ n = 24.0 * t_frame;
pixel = s->pixels;
row_inc = s->pitch/sizeof(uint16_t) - s->w;
colorkey = s->format->colorkey;
SDL_LockSurface(s);
- endcount = 0;
- while (endcount<3) {
+ for(i=0; i<n; i++) {
pixel = s->pixels;
for(y=0; y<s->h; y++) {
for(x = 0; x<s->w; x++) {
if(c && c != colorkey) {
theta = frnd()*M_PI*2;
r = frnd(); r = 1 - r*r;
- // r = 1 - frnd()*frnd();
bdot[bd2].dx = 45*r*cos(theta) + dx;
bdot[bd2].dy = 45*r*sin(theta) + dy;
bdot[bd2].x = x + xbang;
bdot[bd2].y = y + ybang;
- bdot[bd2].c = 0;
+ bdot[bd2].c = (i < n-3) ? 0 : c;
bdot[bd2].life = 100;
bdot[bd2].decay = frnd()*3 + 1;
bdot[bd2].active = 1;
- // Replace the last few bang dots with the pixels from the exploding object
- if(endcount>0) bdot[bd2].c = c;
-
bd2 = (bd2+1) % MAXBANGDOTS;
}
pixel += row_inc;
}
}
- if(SDL_GetTicks() - begin_generate > 7) endcount++;
}
SDL_UnlockSurface(s);
int first_i, last_i;
uint16_t *pixels, *pixel, c;
int row_inc = s->pitch/sizeof(uint16_t);
+ Sprite *hit;
pixels = (uint16_t *) s->pixels;
first_i = -1;
}
// check collisions
- if(pixel_collides(bdot[i].x, bdot[i].y)) { bdot[i].active = 0; continue; }
+ if((hit = pixel_collides(bdot[i].x, bdot[i].y))) {
+ if(hit->type != SHIP) { // they shouldn't hit the ship, but they do
+ bdot[i].active = 0;
+ hit->dx += ENGINE_DOT_WEIGHT * bdot[i].life * bdot[i].dx / sprite_mass(hit);
+ hit->dy += ENGINE_DOT_WEIGHT * bdot[i].life * bdot[i].dy / sprite_mass(hit);
+ continue;
+ }
+ }
pixel = pixels + row_inc*(int)(bdot[i].y) + (int)(bdot[i].x);
if(bdot[i].c) c = bdot[i].c; else c = heatcolor[(int)(bdot[i].life)*3];
uint16_t *pixels = (uint16_t *) s->pixels;
int row_inc = s->pitch/sizeof(uint16_t);
int heatindex;
+ Sprite *hit;
for(i = 0; i<MAXENGINEDOTS; i++) {
if(!edot[i].active) continue;
edot[i].active = 0;
continue;
}
- if(pixel_collides(edot[i].x, edot[i].y)) { edot[i].active = 0; continue; }
+ // check collisions
+ if((hit = pixel_collides(edot[i].x, edot[i].y))) {
+ if(hit->type != SHIP) { // they shouldn't hit the ship, but they do
+ edot[i].active = 0;
+ hit->dx += ENGINE_DOT_WEIGHT * edot[i].life * edot[i].dx / sprite_mass(hit);
+ hit->dy += ENGINE_DOT_WEIGHT * edot[i].life * edot[i].dy / sprite_mass(hit);
+ continue;
+ }
+ }
heatindex = edot[i].life * 6;
c = heatindex>3*W ? heatcolor[3*W-1] : heatcolor[heatindex];
pixels[row_inc*(int)(edot[i].y) + (int)(edot[i].x)] = c;
// Create engine dots out the side we're moving from
for(m = 0; m<4; m++) {
if(ship.jets & 1<<m) { // 'jets' is a bit field
- new_engine_dots(80,m);
+ new_engine_dots(200.0*t_frame,m);
}
}
void
load_ship(void)
{
- load_sprite(SPRITE(&ship), "sprites/ship.png");
+ load_sprite(SPRITE(&ship), "ship.png");
}
int
}
// Load the banners
- NULLERROR(surf_b_variations = load_image("banners/variations.png"));
- NULLERROR(surf_b_on = load_image("banners/on.png"));
- NULLERROR(surf_b_rockdodger = load_image("banners/rockdodger.png"));
+ NULLERROR(surf_b_variations = load_image("b_variations.png"));
+ NULLERROR(surf_b_on = load_image("b_on.png"));
+ NULLERROR(surf_b_rockdodger = load_image("b_rockdodger.png"));
- NULLERROR(surf_b_game = load_image("banners/game.png"));
- NULLERROR(surf_b_over = load_image("banners/over.png"));
+ NULLERROR(surf_b_game = load_image("b_game.png"));
+ NULLERROR(surf_b_over = load_image("b_over.png"));
// Load the life indicator (small ship) graphic.
- NULLERROR(surf_life = load_image("indicators/life.png"));
+ NULLERROR(surf_life = load_image("life.png"));
// Load the font image
- s = add_data_path(BIG_FONT_FILE);
+ s = add_data_path("font.png");
if(s) {
NULLERROR(surf_font_big = IMG_Load(s));
free(s);
}
void
-draw(void) {
+draw_game_over(void)
+{
+ int x;
+ char *text0, *text1;
SDL_Rect dest;
+ float a_game = 0, a_over = 0;
+
+ // fade in "GAME", then "OVER".
+ a_game = min(1.0, faderate*fadetimer/3.0);
+ if(a_game == 1.0) a_over = min(1.0, faderate*fadetimer/3.0 - 1);
+
+ fadetimer += t_frame;
+
+ 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)(a_game*(200 + 55*cos(fadetimer))));
+ 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)(a_over*(200 + 55*sin(fadetimer))));
+ SDL_BlitSurface(surf_b_over,NULL,surf_screen,&dest);
+
+ if(new_high_score(score)) {
+ text0 = "New High Score!";
+ text1 = "Press SPACE to continue";
+ } else {
+ text0 = msgs[g_easy][0];
+ text1 = msgs[g_easy][1];
+ }
+
+ x = (XSIZE-SFont_TextWidth(g_font,text0))/2 + cos(fadetimer/9)*10;
+ SFont_Write(surf_screen,g_font,x,YSIZE-100 + cos(fadetimer/6)*5,text0);
+
+ x = (XSIZE-SFont_TextWidth(g_font,text1))/2 + sin(fadetimer/9)*10;
+ SFont_Write(surf_screen,g_font,x,YSIZE-50 + sin(fadetimer/4)*5,text1);
+}
+
+void
+draw_title_page(void)
+{
int x;
char *text;
- float fadegame,fadeover;
+ SDL_Rect dest;
+
+ fadetimer += t_frame/2.0;
+
+ 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)));
+ 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,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,NULL,surf_screen,&dest);
+
+ text = msgs[g_easy][(int)(fadetimer/35)%NSEQUENCE];
+ 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);
+
+ text = "Version " VERSION;
+ 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);
+}
+
+void
+draw(void) {
SDL_FillRect(surf_screen,NULL,0); // black background
drawdots(surf_screen); // background dots
// If it's game over, show the game over graphic in the dead centre
switch (state) {
- case GAME_OVER:
- if(fadetimer<3.0/faderate) {
- fadegame = fadetimer/(3.0/faderate);
- } else {
- fadegame = 1.0;
- }
-
- if(fadetimer<3.0/faderate) {
- fadeover = 0.0;
- } else if(fadetimer<6.0/faderate) {
- fadeover = ((3.0/faderate)-fadetimer)/(6.0/faderate);
- } else {
- fadeover = 1.0;
- }
-
- 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);
+ case GAME_OVER: draw_game_over(); break;
- 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,NULL,surf_screen,&dest);
- break;
-
- case TITLE_PAGE:
-
- 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,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,NULL,surf_screen,&dest);
-
- text = "Version " VERSION;
- 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_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 TITLE_PAGE: draw_title_page(); break;
case HIGH_SCORE_ENTRY:
play_tune(TUNE_HIGH_SCORE_ENTRY);
- if(!process_score_input()) { // done inputting name
-
- // 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_tune(TUNE_TITLE_PAGE);
- }
// FALL THROUGH TO
case HIGH_SCORE_DISPLAY:
// Display de list o high scores mon.
static inline void
kill_ship(Sprite *ship)
{
- ship->flags = MOVE|DRAW;
- SDL_SetAlpha(ship->image, SDL_SRCALPHA, 0);
+ ship->flags = MOVE;
bang = true;
}
}
void
+init_score_entry(void)
+{
+ SDL_Event e;
+ state = HIGH_SCORE_ENTRY;
+ state_timeout = 5.0e6;
+ SDL_EnableUNICODE(1);
+ while(SDL_PollEvent(&e))
+ ;
+ insert_score(score);
+}
+
+void
gameloop() {
- Uint8 *keystate = SDL_GetKeyState(NULL);
+ SDL_Event e;
+ Uint8 *keystate;
float tmp;
for(;;) {
- SDL_PumpEvents();
+ while(SDL_PollEvent(&e)) {
+ switch(e.type) {
+ case SDL_QUIT: return;
+ case SDL_KEYUP:
+ if(e.key.keysym.sym == SDLK_ESCAPE
+ || e.key.keysym.sym == SDLK_q)
+ return;
+ break;
+ case SDL_KEYDOWN:
+ if(state == HIGH_SCORE_ENTRY)
+ if(!process_score_input(&e.key.keysym)) {
+ // Write the high score table to the file
+ write_high_score_table();
+ // continue to display the scores briefly
+ state = HIGH_SCORE_DISPLAY;
+ state_timeout = 200;
+ play_tune(TUNE_TITLE_PAGE);
+ }
+ break;
+ }
+ }
keystate = SDL_GetKeyState(NULL);
if(!paused) {
play_tune(TUNE_GAMEPLAY);
break;
case GAME_OVER:
- 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(new_high_score(score)) init_score_entry();
+ else {
state = HIGH_SCORE_DISPLAY;
state_timeout = 400;
}
break;
case HIGH_SCORE_DISPLAY:
state = TITLE_PAGE;
- state_timeout = 500.0;
+ state_timeout = 600.0;
+ fadetimer = 0.0;
break;
case HIGH_SCORE_ENTRY:
break;
}
} else {
if(state == DEAD_PAUSE) {
- float blast_radius, alpha;
- if(state_timeout >= DEAD_PAUSE_LENGTH - 20.0) {
- blast_radius = BLAST_RADIUS * (DEAD_PAUSE_LENGTH - state_timeout) / 20.0;
- blast_rocks(bangx, bangy, blast_radius);
- }
-
if(bangx < 60) bangx = 60;
-
- alpha = 255.0 * (DEAD_PAUSE_LENGTH - state_timeout) / DEAD_PAUSE_LENGTH;
- SDL_SetAlpha(ship.image, SDL_SRCALPHA, (uint8_t)alpha);
}
}
}
// new game
- if(keystate[SDLK_SPACE]
+ if((keystate[SDLK_SPACE] || keystate[SDLK_1] || keystate[SDLK_2])
&& (state == HIGH_SCORE_DISPLAY
|| state == TITLE_PAGE
|| state == GAME_OVER)) {
- reset_sprites();
- reset_rocks();
- screendx = SCREENDXMIN; screendy = 0;
+ if(state == GAME_OVER && new_high_score(score))
+ init_score_entry();
+ else {
+ if((keystate[SDLK_SPACE] && !initial_rocks) || keystate[SDLK_2]) {
+ g_easy = 0;
+ initial_rocks = NORMAL_I_ROCKS;
+ final_rocks = NORMAL_F_ROCKS;
+ if(opt_gamespeed == EASY_GAMESPEED)
+ opt_gamespeed = NORMAL_GAMESPEED;
+ } else if(keystate[SDLK_1]) {
+ g_easy = 1;
+ initial_rocks = EASY_I_ROCKS;
+ final_rocks = EASY_F_ROCKS;
+ opt_gamespeed = EASY_GAMESPEED;
+ }
+ reset_sprites();
+ reset_rocks();
+ screendx = SCREENDXMIN; screendy = 0;
- ship.x = XSIZE/2.2; ship.y = YSIZE/2;
- ship.dx = screendx; ship.dy = screendy;
- ship.lives = 4;
- ship.flags = MOVE|DRAW|COLLIDE;
- SDL_SetAlpha(ship.image, SDL_SRCALPHA, SDL_ALPHA_OPAQUE);
- add_sprite(SPRITE(&ship));
+ ship.x = XSIZE/2.2; ship.y = YSIZE/2;
+ ship.dx = screendx; ship.dy = screendy;
+ ship.lives = 4;
+ ship.flags = MOVE|DRAW|COLLIDE;
+ add_sprite(SPRITE(&ship));
- score = 0;
+ score = 0;
- state = GAMEPLAY;
- play_tune(TUNE_GAMEPLAY);
+ state = GAMEPLAY;
+ play_tune(TUNE_GAMEPLAY);
+ }
}
ship.jets = 0;
}
- if(state == GAMEPLAY || state == DEAD_PAUSE) {
+ if(state == GAMEPLAY) {
if(!paused) {
if(keystate[SDLK_LEFT] | keystate[SDLK_h]) { ship.dx -= 1.5*t_frame; ship.jets |= 1<<0;}
if(keystate[SDLK_DOWN] | keystate[SDLK_t]) { ship.dy += 1.5*t_frame; ship.jets |= 1<<1;}
}
}
- if(state != HIGH_SCORE_ENTRY && (keystate[SDLK_q] || keystate[SDLK_ESCAPE]))
- return;
-
+ if(state == TITLE_PAGE && keystate[SDLK_h]) {
+ state = HIGH_SCORE_DISPLAY;
+ state_timeout = 400;
+ }
}
}
int
main(int argc, char **argv) {
- init_opts();
- argp_parse(&argp, argc, argv, 0, 0, 0);
+ if(!parse_opts(argc, argv)) return 1;
if(init()) {
printf ("ta: '%s'\n",initerror);
Got questions, comments, patches, etc.? Contact Jason Woofenden