From 247c9f79e367636a35a433ed1541bf8f68d8b39b Mon Sep 17 00:00:00 2001
From: Steve <stephenjsweeney@battleforthesolarsystem.com>
Date: Sat, 12 Dec 2015 15:11:40 +0000
Subject: [PATCH] Created capital ship engine effect.

---
 src/battle/capitalShips.c |  7 +++++++
 src/battle/capitalShips.h |  1 +
 src/battle/effects.c      | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 40 insertions(+)

diff --git a/src/battle/capitalShips.c b/src/battle/capitalShips.c
index 24cc6f1..4d5926f 100644
--- a/src/battle/capitalShips.c
+++ b/src/battle/capitalShips.c
@@ -24,6 +24,7 @@ static void think(void);
 static void gunThink(void);
 static void gunDie(void);
 static void componentDie(void);
+static void engineThink(void);
 static void engineDie(void);
 static void loadCapitalShipDef(char *filename);
 static void loadComponents(Entity *parent, cJSON *components);
@@ -120,6 +121,11 @@ static void gunDie(void)
 	playBattleSound(SND_EXPLOSION_1 + rand() % 4, self->x, self->y);
 }
 
+static void engineThink(void)
+{
+	addLargeEngineEffect();
+}
+
 static void engineDie(void)
 {
 	Entity *e;
@@ -360,6 +366,7 @@ static void loadEngines(Entity *parent, cJSON *engines)
 			
 			e->systemPower = 100;
 			
+			e->action = engineThink;
 			e->die = engineDie;
 			
 			e->owner = parent;
diff --git a/src/battle/capitalShips.h b/src/battle/capitalShips.h
index 6d0581d..380dfe8 100644
--- a/src/battle/capitalShips.h
+++ b/src/battle/capitalShips.h
@@ -37,6 +37,7 @@ extern void doAI(void);
 extern float getAngle(int x1, int y1, int x2, int y2);
 extern float mod(float n, float x);
 extern void applyFighterThrust(void);
+extern void addLargeEngineEffect(void);
 
 extern Battle battle;
 extern Entity *self;
diff --git a/src/battle/effects.c b/src/battle/effects.c
index e295b0b..224e25f 100644
--- a/src/battle/effects.c
+++ b/src/battle/effects.c
@@ -282,6 +282,38 @@ void addEngineEffect(void)
 	e->y -= e->size / 2;
 }
 
+void addLargeEngineEffect(void)
+{
+	Effect *e;
+	
+	e = malloc(sizeof(Effect));
+	memset(e, 0, sizeof(Effect));
+	battle.effectTail->next = e;
+	battle.effectTail = e;
+	
+	e->type = EFFECT_TEXTURE;
+	
+	e->x = self->x;
+	e->y = self->y;
+	
+	e->x -= sin(TO_RAIDANS(self->angle)) * 16;
+	e->y -= -cos(TO_RAIDANS(self->angle)) * 16;
+	
+	e->x += rand() % 4;
+	e->x -= rand() % 4;
+	
+	e->texture = explosionTexture;
+	e->health = 0;
+	e->size = 64;
+	e->r = 128;
+	e->g = 128;
+	e->b = 255;
+	e->a = 64;
+	
+	e->x -= e->size / 2;
+	e->y -= e->size / 2;
+}
+
 void addMissileEngineEffect(Bullet *b)
 {
 	Effect *e;