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;
}
void
-draw(void) {
+draw_game_over(void)
+{
+ float a_game = 0, a_over = 0;
SDL_Rect dest;
+
+ // 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);
+}
+
+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 = "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];
+ 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);
+}
+
+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);
-
- 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);
+ case GAME_OVER: draw_game_over(); break;
- 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);
static inline void
kill_ship(Sprite *ship)
{
- ship->flags = MOVE|DRAW;
- SDL_SetAlpha(ship->image, SDL_SRCALPHA, 0);
+ ship->flags = MOVE;
+ // ship->flags = MOVE|DRAW; // FADE SHIP
+ // SDL_SetAlpha(ship->image, SDL_SRCALPHA, 0); // FADE SHIP
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))
+ ;
+}
+
+void
gameloop() {
Uint8 *keystate = SDL_GetKeyState(NULL);
float tmp;
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;
}
}
} else {
if(state == DEAD_PAUSE) {
- float blast_radius, alpha;
+ float blast_radius;
+ // float alpha; // FADE SHIP
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);
+ // FADE SHIP
+ // alpha = 255.0 * (DEAD_PAUSE_LENGTH - state_timeout) / DEAD_PAUSE_LENGTH;
+ // SDL_SetAlpha(ship.image, SDL_SRCALPHA, (uint8_t)alpha);
}
}
&& (state == HIGH_SCORE_DISPLAY
|| state == TITLE_PAGE
|| state == GAME_OVER)) {
- 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));
-
- score = 0;
-
- state = GAMEPLAY;
- play_tune(TUNE_GAMEPLAY);
+ if(state == GAME_OVER && new_high_score(score))
+ init_score_entry();
+ else {
+ 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); // FADE SHIP
+ add_sprite(SPRITE(&ship));
+
+ score = 0;
+
+ state = GAMEPLAY;
+ play_tune(TUNE_GAMEPLAY);
+ }
}
ship.jets = 0;
Got questions, comments, patches, etc.? Contact Jason Woofenden