From 05749679a831ce96d0df5b18c43403be7a2d5ffd Mon Sep 17 00:00:00 2001
From: nukeykt <alexeytf2@icloud.com>
Date: Mon, 29 Jul 2019 23:32:24 +0900
Subject: [PATCH] I think this is enough

---
 source/build/src/engine.cpp | 42 +------------------------------------
 1 file changed, 1 insertion(+), 41 deletions(-)

diff --git a/source/build/src/engine.cpp b/source/build/src/engine.cpp
index 5e435d647..05c01f6a8 100644
--- a/source/build/src/engine.cpp
+++ b/source/build/src/engine.cpp
@@ -7864,51 +7864,11 @@ int32_t changespritestat(int16_t spritenum, int16_t newstatnum)
 //
 // lintersect (internal)
 //
-int32_t lintersect_old(const int32_t originX, const int32_t originY, const int32_t originZ,
-                   const int32_t destX, const int32_t destY, const int32_t destZ,
-                   const int32_t lineStartX, const int32_t lineStartY, const int32_t lineEndX, const int32_t lineEndY,
-                   int32_t *intersectionX, int32_t *intersectionY, int32_t *intersectionZ)
-{
-    const vec2_t ray = { destX-originX,
-                         destY-originY };
-    const vec2_t lineVec = { lineEndX-lineStartX,
-                             lineEndY-lineStartY };
-    const vec2_t originDiff = { lineStartX-originX,
-                                lineStartY-originY };
-
-    const int32_t rayCrossLineVec = ray.x*lineVec.y - ray.y*lineVec.x;
-
-    if (rayCrossLineVec == 0)
-        return 0;
-    
-    const int32_t originDiffCrossLineVec = originDiff.x*lineVec.y - originDiff.y*lineVec.x;
-    const int32_t originDiffCrossRay = originDiff.x*ray.y - originDiff.y*ray.x;
-
-    if ((rayCrossLineVec > 0 && (originDiffCrossLineVec < 0 || originDiffCrossLineVec >= rayCrossLineVec
-        || originDiffCrossRay < 0 || originDiffCrossRay >= rayCrossLineVec))
-     || (rayCrossLineVec < 0 && (originDiffCrossLineVec > 0 || originDiffCrossLineVec <= rayCrossLineVec
-        || originDiffCrossRay > 0 || originDiffCrossRay <= rayCrossLineVec)))
-        return 0;
-
-    const int32_t t = divscale24(originDiffCrossLineVec, rayCrossLineVec);
-
-    *intersectionX = originX + mulscale24(ray.x, t);
-    *intersectionY = originY + mulscale24(ray.y, t);
-    *intersectionZ = originZ + mulscale24(destZ - originZ, t);
-
-    return 1;
-}
-
 int32_t lintersect(const int32_t originX, const int32_t originY, const int32_t originZ,
                    const int32_t destX, const int32_t destY, const int32_t destZ,
                    const int32_t lineStartX, const int32_t lineStartY, const int32_t lineEndX, const int32_t lineEndY,
                    int32_t *intersectionX, int32_t *intersectionY, int32_t *intersectionZ)
 {
-    if (blooddemohack)
-    {
-        return lintersect_old(originX, originY, originZ, destX, destY, destZ, lineStartX, lineStartY, lineEndX, lineEndY,
-            intersectionX, intersectionY, intersectionZ);
-    }
     const vec2_t ray = { destX-originX,
                          destY-originY };
     const vec2_t lineVec = { lineEndX-lineStartX,
@@ -7921,7 +7881,7 @@ int32_t lintersect(const int32_t originX, const int32_t originY, const int32_t o
 
     if (rayCrossLineVec == 0)
     {
-        if (originDiffCrossRay != 0)
+        if (originDiffCrossRay != 0 || blooddemohack)
         {
             // line segments are parallel
             return 0;