- buildutils: Replace `sintable[]` use within Exhumed with `bsin()`/`bcos()`.

source/exhumed/src/gun.cpp

@@ -302,7 +302,7 @@ int CheckCloseRange(short nPlayer, int *x, int *y, int *z, short *nSector)
     hitSect = hitData.sect;
     hitWall = hitData.wall;
 
-    int ecx = sintable[150] >> 3;
+    int ecx = bsin(150, -3);
 
     uint32_t xDiff = klabs(hitX - *x);
     uint32_t yDiff = klabs(hitY - *y);

source/exhumed/src/map.cpp

@@ -68,8 +68,9 @@ template<typename T> void GetSpriteExtents(T const* const pSprite, int* top, int
 
 bool GameInterface::DrawAutomapPlayer(int x, int y, int z, int a)
 {
-    int nCos = z * sintable[(0 - a) & 2047];
-    int nSin = z * sintable[(1536 - a) & 2047];
+    // [MR]: Confirm that this is correct as math doesn't match the variable names.
+    int nCos = z * -bsin(a);
+    int nSin = z * -bcos(a);
     int nCos2 = mulscale16(nCos, yxaspect);
     int nSin2 = mulscale16(nSin, yxaspect);
 

source/exhumed/src/mummy.cpp

@@ -240,7 +240,7 @@ void FuncMummy(int a, int nDamage, int nRun)
                                 MummyList[nMummy].G = 90;
 
                                 sprite[nSprite].xvel = bcos(sprite[nSprite].ang, -2);
-                                sprite[nSprite].yvel = sintable[sprite[nSprite].ang] >> 2; // NOTE no angle masking in original code
+                                sprite[nSprite].yvel = bsin(sprite[nSprite].ang, -2);
                             }
                         }
                     }

source/exhumed/src/queen.cpp

@@ -966,7 +966,6 @@ __MOVEQS:
 
                                 // DEMO-TODO: in disassembly angle was used without masking and thus causing OOB issue.
                                 // This behavior probably would be needed emulated for demo compatibility
-                                // int dx = sintable[nAngle + 512] << 10;
                                 int dx = bcos(nAngle, 10);
                                 int dy = bsin(nAngle, 10);
                                 int dz = (RandomSize(5) - RandomSize(5)) << 7;

source/exhumed/src/snake.cpp

@@ -158,7 +158,7 @@ int BuildSnake(short nPlayer, short zVal)
 
     int nSqrt = ksqrt(sqrtNum);
 
-    if (nSqrt < (sintable[512] >> 4))
+    if (nSqrt < bsin(512, -4))
     {
         BackUpBullet(&hitx, &hity, nAngle);
         nSprite = insertsprite(hitsect, 202);

source/exhumed/src/spider.cpp

@@ -193,7 +193,7 @@ void FuncSpider(int a, int nDamage, int nRun)
                             SpiderList[nSpider].nTarget = nTarget;
 
                             sprite[nSprite].xvel = bcos(sprite[nSprite].ang);
-                            sprite[nSprite].yvel = sintable[sprite[nSprite].ang]; // NOTE - not angle masking here in original code
+                            sprite[nSprite].yvel = bsin(sprite[nSprite].ang);
                             return;
                         }
                     }

source/exhumed/src/status.cpp

@@ -745,7 +745,7 @@ private:
         {
             int s = -8;
             if (althud_flashing && pp->nHealth > 800)
-                s += (sintable[(leveltime << 7) & 2047] >> 10);
+                s += bsin(leveltime << 7, -10);
             int intens = clamp(255 - 4 * s, 0, 255);
             auto pe = PalEntry(255, intens, intens, intens);
             format.Format("%d", pp->nHealth >> 3);