Improve border indicators

constants.h

@@ -279,14 +279,14 @@
 
 #define SFG_HUD_MARGIN (SFG_GAME_RESOLUTION_X / 40)
 
-#define SFG_HUD_HEALTH_INDICATOR_WIDTH_PIXELS \
-  (SFG_GAME_RESOLUTION_Y /  SFG_HUD_HEALTH_INDICATOR_WIDTH)
+#define SFG_HUD_BORDER_INDICATOR_WIDTH_PIXELS \
+  (SFG_GAME_RESOLUTION_Y / SFG_HUD_BORDER_INDICATOR_WIDTH)
 
-#define SFG_HUD_HEALTH_INDICATOR_DURATION_FRAMES \
-  (SFG_HUD_HEALTH_INDICATOR_DURATION / SFG_MS_PER_FRAME)
+#define SFG_HUD_BORDER_INDICATOR_DURATION_FRAMES \
+  (SFG_HUD_BORDER_INDICATOR_DURATION / SFG_MS_PER_FRAME)
 
-#if SFG_HUD_HEALTH_INDICATOR_DURATION_FRAMES == 0
-  #define SFG_HUD_HEALTH_INDICATOR_DURATION_FRAMES 1
+#if SFG_HUD_BORDER_INDICATOR_DURATION_FRAMES == 0
+  #define SFG_HUD_BORDER_INDICATOR_DURATION_FRAMES 1
 #endif
 
 #define SFG_HUD_BAR_HEIGHT \

main.c

@@ -219,6 +219,7 @@ struct
   uint32_t weaponCooldownStartFrame;   /**< frame from which weapon cooldown is
                                             counted */
   uint32_t lastHurtFrame;
+  uint32_t lastItemTakenFrame;
 } SFG_player;
 
 RCL_RayConstraints SFG_rayConstraints;
@@ -905,6 +906,7 @@ void SFG_initPlayer()
 
   SFG_player.weaponCooldownStartFrame = SFG_gameFrame;
   SFG_player.lastHurtFrame = SFG_gameFrame;
+  SFG_player.lastItemTakenFrame = SFG_gameFrame;
 
   SFG_player.health = SFG_PLAYER_MAX_HEALTH;
 }
@@ -2018,22 +2020,42 @@ void SFG_gameStep()
            )
          )
       {
-        if (e->type == SFG_LEVEL_ELEMENT_HEALTH)
+        uint8_t eliminate = 1;
+
+        switch (e->type)
         {
+          case SFG_LEVEL_ELEMENT_HEALTH:
             SFG_playerChangeHealth(SFG_HEALTH_KIT_VALUE);
+            break;
           
-          // take, eliminate the item
+          case SFG_LEVEL_ELEMENT_BULLETS:
+            break;
 
+          case SFG_LEVEL_ELEMENT_ROCKETS:
+            break;
+
+          case SFG_LEVEL_ELEMENT_PLASMA:
+            break;
+
+          default:
+            eliminate = 0;
+            break;
+        }
+
+        if (eliminate)
+        {
           SFG_removeItem(i);
-
+          SFG_player.lastItemTakenFrame = SFG_gameFrame;
           i--;
         }
         else // collide
+        {
           moveOffset = SFG_resolveCollisionWithElement(
             SFG_player.camera.position,moveOffset,ePos);
         }
       }
     }    
+  }
 
 #if SFG_PREVIEW_MODE
   SFG_player.camera.position.x +=
@@ -2555,7 +2577,11 @@ uint8_t SFG_drawNumber(
   return 5 - position;
 }
 
-void SFG_drawHealthChangeBorder(uint16_t width, uint8_t color)
+/**
+  Draws a border that indicates something is happening, e.g. being hurt or
+  taking an item.
+*/
+void SFG_drawIndicationBorder(uint16_t width, uint8_t color)
 {
   for (uint16_t j = 0; j < width; ++j)
   {
@@ -2832,9 +2858,16 @@ void SFG_draw()
       SFG_FONT_SIZE_MEDIUM,
       4);
 
+    // border indicator
+
     if (SFG_gameFrame - SFG_player.lastHurtFrame
-      <= SFG_HUD_HEALTH_INDICATOR_DURATION_FRAMES)
-      SFG_drawHealthChangeBorder(SFG_HUD_HEALTH_INDICATOR_WIDTH_PIXELS,175);
+        <= SFG_HUD_BORDER_INDICATOR_DURATION_FRAMES)
+      SFG_drawIndicationBorder(SFG_HUD_BORDER_INDICATOR_WIDTH_PIXELS,
+      SFG_HUD_HURT_INDICATION_COLOR);
+    else if (SFG_gameFrame - SFG_player.lastItemTakenFrame
+        <= SFG_HUD_BORDER_INDICATOR_DURATION_FRAMES)
+      SFG_drawIndicationBorder(SFG_HUD_BORDER_INDICATOR_WIDTH_PIXELS,
+      SFG_HUD_ITEM_TAKEN_INDICATION_COLOR);
   }
 }
 

settings.h

@@ -50,7 +50,7 @@
 /**
   Turn on for previes mode for map editing (flying, noclip, fast movement etc.).
 */
-#define SFG_PREVIEW_MODE 1
+#define SFG_PREVIEW_MODE 0
 
 /**
   How much faster movement is in the preview mode.
@@ -131,15 +131,24 @@
 #define SFG_SPRITE_ANIMATION_SPEED 4
 
 /**
-  How wide the health indicator (screen border) is, in fractions of screen
-  width.
+  How wide the border indicator is, in fractions of screen width.
 */
-#define SFG_HUD_HEALTH_INDICATOR_WIDTH 32
+#define SFG_HUD_BORDER_INDICATOR_WIDTH 32
 
 /**
-  For how long health indicator stays shown, in ms.
+  For how long border indication (being hurt etc.) stays shown, in ms.
 */
-#define SFG_HUD_HEALTH_INDICATOR_DURATION 500
+#define SFG_HUD_BORDER_INDICATOR_DURATION 500
+
+/**
+  Color (palette index) by which being hurt is indicated.
+*/
+#define SFG_HUD_HURT_INDICATION_COLOR 175
+
+/**
+  Color (palette index) by which taking an item is indicated.
+*/
+#define SFG_HUD_ITEM_TAKEN_INDICATION_COLOR 207
 
 /**
   How many element (items, monsters, ...) distances will be checked per frame