1 files changed, 15 insertions, 3 deletions

diff --git a/src/control/Pickups.cpp b/src/control/Pickups.cpp
index be9f734d..a1e2a851 100644
--- a/src/control/Pickups.cpp
+++ b/src/control/Pickups.cpp
@@ -689,8 +689,7 @@ CPickups::DoPickUpEffects(CEntity *entity)
 		entity->bDoNotRender = CTheScripts::IsPlayerOnAMission() || CDarkel::FrenzyOnGoing() || !CGame::nastyGame;
 
 	if (!entity->bDoNotRender) {
-		float s = Sin((float)((CTimer::GetTimeInMilliseconds() + (uintptr)entity) & 0x7FF) * DEGTORAD(360.0f / 0x800));
-		float modifiedSin = 0.3f * (s + 1.0f);
+		float modifiedSin = 0.3f * (Sin((float)((CTimer::GetTimeInMilliseconds() + (uintptr)entity) & 0x7FF) * DEGTORAD(360.0f / 0x800)) + 1.0f);
 
 
 		int16 colorId;
@@ -749,7 +748,20 @@ CPickups::DoPickUpEffects(CEntity *entity)
 			}
 		}
 
-		entity->GetMatrix().SetRotateZOnlyScaled((float)(CTimer::GetTimeInMilliseconds() & 0x7FF) * DEGTORAD(360.0f / 0x800), aWeaponScale[colorId]);
+		float angle = (float)(CTimer::GetTimeInMilliseconds() & 0x7FF) * DEGTORAD(360.0f / 0x800);
+		float c = Cos(angle) * aWeaponScale[colorId];
+		float s = Sin(angle) * aWeaponScale[colorId];
+
+		// we know from SA they were setting each field manually like this
+		entity->GetMatrix().rx = c;
+		entity->GetMatrix().ry = s;
+		entity->GetMatrix().rz = 0.0f;
+		entity->GetMatrix().fx = -s;
+		entity->GetMatrix().fy = c;
+		entity->GetMatrix().fz = 0.0f;
+		entity->GetMatrix().ux = 0.0f;
+		entity->GetMatrix().uy = 0.0f;
+		entity->GetMatrix().uz = aWeaponScale[colorId];
 	}
 }