From dff8dee815d84bf408caf9269159717304154a7d Mon Sep 17 00:00:00 2001
From: Steve <stephenjsweeney@battleforthesolarsystem.com>
Date: Mon, 12 Feb 2018 08:32:21 +0000
Subject: [PATCH] Clip visible entities.

---
 src/world/radar.c | 14 ++++++++++----
 src/world/radar.h |  2 +-
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/world/radar.c b/src/world/radar.c
index 81453dc..02eec9c 100644
--- a/src/world/radar.c
+++ b/src/world/radar.c
@@ -122,12 +122,18 @@ static void drawEntities(void)
 	{
 		if (isValidBlip(e))
 		{
-			x = (e->x / MAP_TILE_SIZE) - viewRect.x;
-			y = (e->y / MAP_TILE_SIZE) - viewRect.y;
+			x = (e->x / MAP_TILE_SIZE);
+			y = (e->y / MAP_TILE_SIZE);
 			
-			getBlipColor(e, &c);
+			if (x >= viewRect.x && x < viewRect.x + viewRect.w && y >= viewRect.y && y < viewRect.y + viewRect.h)
+			{
+				x -= viewRect.x;
+				y -= viewRect.y;
+				
+				getBlipColor(e, &c);
 
-			drawRect(OFFSET_X + (x * RADAR_TILE_SIZE), OFFSET_Y + (y * RADAR_TILE_SIZE), RADAR_TILE_SIZE - 1, RADAR_TILE_SIZE - 1, c.r, c.g, c.b, 255);
+				drawRect(OFFSET_X + (x * RADAR_TILE_SIZE), OFFSET_Y + (y * RADAR_TILE_SIZE), RADAR_TILE_SIZE - 1, RADAR_TILE_SIZE - 1, c.r, c.g, c.b, 255);
+			}
 		}
 	}
 }
diff --git a/src/world/radar.h b/src/world/radar.h
index 1c360d6..4c5a571 100644
--- a/src/world/radar.h
+++ b/src/world/radar.h
@@ -19,7 +19,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
 #define RADAR_TILE_SIZE 	16
-#define VIEW_SIZE			60
+#define VIEW_SIZE			40
 #define OFFSET_X 			((SCREEN_WIDTH - (RADAR_TILE_SIZE * VIEW_SIZE)) / 2)
 #define OFFSET_Y			((SCREEN_HEIGHT - (RADAR_TILE_SIZE * VIEW_SIZE)) / 2)