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more changes for windows
[vor.git] / main.c
diff --git a/main.c b/main.c
index fdf96fb..60ee8f0 100644 (file)
--- a/main.c
+++ b/main.c
@@ -19,7 +19,9 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
-#include <argp.h>
+#ifndef WIN32
+# include <argp.h>
+#endif
 #include <math.h>
 #include <SDL.h>
 #include <SDL_image.h>
@@ -99,10 +101,18 @@ enum states {
 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;
@@ -182,6 +192,7 @@ draw_bang_dots(SDL_Surface *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;
@@ -203,7 +214,14 @@ draw_bang_dots(SDL_Surface *s)
                }
 
                // 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];
@@ -256,6 +274,7 @@ draw_engine_dots(SDL_Surface *s) {
        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;
@@ -268,7 +287,15 @@ draw_engine_dots(SDL_Surface *s) {
                        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;
@@ -314,7 +341,7 @@ load_image(char *filename)
 void
 load_ship(void)
 {
-       load_sprite(SPRITE(&ship), "sprites/ship.png");
+       load_sprite(SPRITE(&ship), "ship.png");
 }
 
 int
@@ -366,18 +393,18 @@ init(void) {
        }
 
        // 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);
@@ -412,11 +439,79 @@ show_lives(void)
 }
 
 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
@@ -428,58 +523,9 @@ draw(void) {
 
        // 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);
@@ -518,8 +564,7 @@ draw(void) {
 static inline void
 kill_ship(Sprite *ship)
 {
-       ship->flags = MOVE|DRAW;
-       SDL_SetAlpha(ship->image, SDL_SRCALPHA, 0);
+       ship->flags = MOVE;
        bang = true;
 }
 
@@ -540,6 +585,7 @@ init_score_entry(void)
        SDL_EnableUNICODE(1);
        while(SDL_PollEvent(&e))
                ;
+       insert_score(score);
 }
 
 void
@@ -572,7 +618,8 @@ gameloop() {
                                                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;
@@ -585,16 +632,7 @@ gameloop() {
                                }
                        } 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);
                                }
                        }
 
@@ -656,13 +694,25 @@ gameloop() {
                        }
 
                        // 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)) {
                                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;
@@ -671,7 +721,6 @@ gameloop() {
                                        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;
@@ -704,6 +753,11 @@ gameloop() {
                        }
                }
 
+               if(state == TITLE_PAGE && keystate[SDLK_h]) {
+                       state = HIGH_SCORE_DISPLAY;
+                       state_timeout = 400;
+               }
+
                if(state != HIGH_SCORE_ENTRY && (keystate[SDLK_q] || keystate[SDLK_ESCAPE]))
                        return;
 
@@ -713,7 +767,9 @@ gameloop() {
 int
 main(int argc, char **argv) {
        init_opts();
+#ifndef WIN32
        argp_parse(&argp, argc, argv, 0, 0, 0);
+#endif
 
        if(init()) {
                printf ("ta: '%s'\n",initerror);