12-hit grenade combo trophy. Save screenshot when trophy earned.

src/combat/explosions.c

@@ -21,6 +21,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "explosions.h"
 
 static SDL_Rect radiusRect;
+static unsigned int killTimer = 0;
+static unsigned int numKilled = 0;
 
 void addExplosion(float x, float y, int radius, Entity *owner)
 {
@@ -40,6 +42,11 @@ void addExplosion(float x, float y, int radius, Entity *owner)
 	radiusRect.y = (int) (y - radius);
 	radiusRect.w = radius * 2;
 	radiusRect.h = radius * 2;
+	
+	if (killTimer < SDL_GetTicks())
+	{
+		numKilled = 0;
+	}
 
 	candidates = getAllEntsWithin(radiusRect.x, radiusRect.y, radiusRect.w, radiusRect.h, NULL);
 
@@ -80,9 +87,20 @@ void addExplosion(float x, float y, int radius, Entity *owner)
 					{
 						e->dx = rrnd(-radius / 8, radius / 8);
 						e->dy = rrnd(-5, 0);
+						
+						if (owner->type == ET_BOB)
+						{
+							numKilled++;
+							killTimer = SDL_GetTicks() + 1000;
+						}
 					}
 				}
 			}
 		}
 	}
+	
+	if (numKilled >= 12)
+	{
+		awardTrophy("GRENADE_COMBO");
+	}
 }

src/combat/explosions.h

@@ -27,5 +27,6 @@ extern void playSound(int snd, int ch);
 extern Entity **getAllEntsWithin(int x, int y, int w, int h, Entity *ignore);
 extern int getDistance(int x1, int y1, int x2, int y2);
 extern void swapSelf(Entity *e);
+extern void awardTrophy(char *id);
 
 extern Game game;

src/game/trophies.c

@@ -106,7 +106,7 @@ Trophy *getTrophy(char *id)
 		}
 	}
 
-	SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_ERROR, "No such trophy '%s'", t->id);
+	SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_ERROR, "No such trophy '%s'", id);
 	exit(1);
 }
 
@@ -146,6 +146,7 @@ void doTrophyAlerts(void)
 
 		if (alertTimer <= 0)
 		{
+			saveScreenshot(alertTrophy->id);
 			alertTrophy->notify = 0;
 			resetAlert();
 		}

src/game/trophies.h

@@ -35,6 +35,7 @@ extern void blitRect(SDL_Texture *texture, int x, int y, SDL_Rect *srcRect, int
 extern void blitRectRotated(SDL_Texture *texture, int x, int y, SDL_Rect *srcRect, float angle);
 extern Texture *getTexture(const char *filename);
 extern void blitRectScaled(SDL_Texture *texture, int x, int y, int w, int h, SDL_Rect *srcRect, int center);
+extern void saveScreenshot(char *name);
 
 extern Colors colors;
 extern Game game;

src/system/draw.c

@@ -253,3 +253,23 @@ static void initColor(SDL_Color *c, int r, int g, int b)
 	c->b = b;
 	c->a = 255;
 }
+
+void saveScreenshot(char *name)
+{
+	char filename[MAX_FILENAME_LENGTH];
+	SDL_Surface *screenshot;
+	
+	if (name != NULL)
+	{
+		sprintf(filename, "%s/%s.bmp", app.saveDir, name);
+	}
+	else
+	{
+		sprintf(filename, "%s/%d.bmp", app.saveDir, SDL_GetTicks());
+	}
+	
+	screenshot = SDL_CreateRGBSurface(0, SCREEN_WIDTH, SCREEN_HEIGHT, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000);
+	SDL_RenderReadPixels(app.renderer, NULL, SDL_PIXELFORMAT_ARGB8888, screenshot->pixels, screenshot->pitch);
+	SDL_SaveBMP(screenshot, filename);
+	SDL_FreeSurface(screenshot);
+}