From: Jason Woofenden <jason283@herkamire.com>
Date: Sun, 26 Apr 2009 16:03:20 +0000 (-0400)
Subject: fixed screenshot code so you can take more than one (and won't overwrite previous... 
X-Git-Tag: 0.5.4~14
X-Git-Url: https://jasonwoof.com/gitweb/?p=vor.git;a=commitdiff_plain;h=c1db302b3620bf4e0314867cddf094402d76d2d6

fixed screenshot code so you can take more than one (and won't overwrite previous screenshot(s)) and documented the feature
---

diff --git a/README b/README
index fd1aece..5fc8451 100644
--- a/README
+++ b/README
@@ -4,9 +4,16 @@ VoR is a quick action game where you drive a space ship and try to avoid
 crashing into rocks. Current information about vor can be found on the
 homepage: http://jasonwoof.org/vor
 
-To play, press space to start (or 1 for an easy game) then use the arrow keys
-(or the numpad if you prefer) to steer around, dodge rocks, and make your way
-rightward. You can also press F to toggle full-screen mode and P to pause.
+Here are the keys:
+
+ Space: Start playing
+     1: Switch to easy mode and start playing
+     2: Switch to normal mode (default) and start playing
+Arrows: Steer (use short taps, and remember to slow down)
+   Esc: Quit
+     F: Toggle full-screen mode
+     P: Pause/unpause
+     3: Save a screenshot
 
 See INSTALL for instructions on building, running and installing.
 
diff --git a/main.c b/main.c
index 6f4fa1c..2bf7715 100644
--- a/main.c
+++ b/main.c
@@ -74,6 +74,7 @@ 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 };
 	  
@@ -676,8 +677,21 @@ gameloop() {
 								return;
 							case SDLK_3:
 							case SDLK_PRINT:
-								// FIXME make a unique filename like vor-screenshot-<pid>-<count>.bmp
-								SDL_SaveBMP(surf_screen, "snapshot.bmp");
+								{
+									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_p:
 							case SDLK_PAUSE: