From b5fc0aacbdb399b3c40deddbb93cb4e63ac71a55 Mon Sep 17 00:00:00 2001
From: Steve <stephenjsweeney@battleforthesolarsystem.com>
Date: Sun, 14 Feb 2016 16:34:11 +0000
Subject: [PATCH] Added disabled pulse effect to entities.

---
 src/battle/entities.c | 22 ++++++++++++++++++++++
 src/battle/entities.h |  4 ++++
 2 files changed, 26 insertions(+)

diff --git a/src/battle/entities.c b/src/battle/entities.c
index 7e0ef49..25cc2a8 100644
--- a/src/battle/entities.c
+++ b/src/battle/entities.c
@@ -23,6 +23,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 static Entity deadHead;
 static Entity *deadTail;
 
+static int disabledGlow;
+static int disabledGlowDir;
+
 static void drawEntity(Entity *e);
 static void doEntity(void);
 static void alignComponents(void);
@@ -38,6 +41,9 @@ void initEntities(void)
 	memset(&deadHead, 0, sizeof(Entity));
 	
 	deadTail = &deadHead;
+	
+	disabledGlow = DISABLED_GLOW_MAX;
+	disabledGlowDir = -DISABLED_GLOW_SPEED;
 }
 
 Entity *spawnEntity(void)
@@ -238,6 +244,17 @@ void doEntities(void)
 	}
 	
 	alignComponents();
+	
+	disabledGlow = MAX(DISABLED_GLOW_MIN, MIN(disabledGlow + disabledGlowDir, DISABLED_GLOW_MAX));
+	
+	if (disabledGlow <= DISABLED_GLOW_MIN)
+	{
+		disabledGlowDir = DISABLED_GLOW_SPEED;
+	}
+	else if (disabledGlow >= DISABLED_GLOW_MAX)
+	{
+		disabledGlowDir = -DISABLED_GLOW_SPEED;
+	}
 }
 
 static void restrictToGrid(Entity *e)
@@ -371,6 +388,11 @@ static void drawEntity(Entity *e)
 		SDL_SetTextureColorMod(e->texture, 255 - e->systemHit, 255, 255);
 	}
 	
+	if (e->flags & EF_DISABLED)
+	{
+		SDL_SetTextureColorMod(e->texture, disabledGlow, disabledGlow, 255);
+	}
+	
 	blitRotated(e->texture, e->x - battle.camera.x, e->y - battle.camera.y, e->angle);
 	
 	if (e->shieldHit > 0)
diff --git a/src/battle/entities.h b/src/battle/entities.h
index 9aa52c3..ee0ebe9 100644
--- a/src/battle/entities.h
+++ b/src/battle/entities.h
@@ -20,6 +20,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "../common.h"
 
+#define DISABLED_GLOW_SPEED 	3
+#define DISABLED_GLOW_MIN 		128
+#define DISABLED_GLOW_MAX 		255
+
 extern void blitRotated(SDL_Texture *texture, int x, int y, float angle);
 extern void doFighter(void);
 extern void doCapitalShip(void);