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Fixed sprites defaulting to rotate around the center instead of the offsets. Seeing how it's still useful however, ROLLCENTER can still be used to center upon actors that are offsetted like monsters.

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MajorCooke 2016-07-04 13:28:15 -05:00 committed by Christoph Oelckers
parent 2a42c20c8c
commit cc8d84cd5d
1 changed files with 15 additions and 2 deletions
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17
src/gl/scene/gl_sprite.cpp
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@ -285,6 +285,7 @@ void GLSprite::Draw(int pass)
// [Nash] is a flat sprite
const bool isFlatSprite = (actor != NULL) && (spritetype == RF_WALLSPRITE || spritetype == RF_FLATSPRITE);
const bool dontFlip = (actor != nullptr) && (actor->renderflags & RF_DONTFLIP);
const bool useOffsets = (actor != nullptr) && !(actor->renderflags & RF_ROLLCENTER);
// [Nash] check for special sprite drawing modes
if (drawWithXYBillboard || drawBillboardFacingCamera || drawRollSpriteActor || isFlatSprite)
@ -293,7 +294,9 @@ void GLSprite::Draw(int pass)
float xcenter = (x1 + x2)*0.5;
float ycenter = (y1 + y2)*0.5;
float zcenter = (z1 + z2)*0.5;
float xx = -xcenter + x;
float yy = -zcenter + z;
float zz = -ycenter + y;
Matrix3x4 mat;
mat.MakeIdentity();
mat.Translate(xcenter, zcenter, ycenter); // move to sprite center
@ -337,13 +340,16 @@ void GLSprite::Draw(int pass)
DAngle angto = diff.Angle();
angto = deltaangle(actor->Angles.Yaw, angto);
float pitchDegrees = actor->Angles.Pitch.Degrees;
float pitchDegrees = -actor->Angles.Pitch.Degrees;
bool noFlipSprite = (!dontFlip || (fabs(angto) < 90.));
mat.Rotate(0, 1, 0, (noFlipSprite) ? 0 : 180);
mat.Rotate(-yawvecY, 0, yawvecX, (noFlipSprite) ? -pitchDegrees : pitchDegrees);
if (drawRollSpriteActor)
{
if (useOffsets) mat.Translate(xx, yy, zz);
mat.Rotate(yawvecX, 0, yawvecY, (noFlipSprite) ? -rollDegrees : rollDegrees);
if (useOffsets) mat.Translate(-xx, -yy, -zz);
}
}
// [fgsfds] Rotate the sprite about the sight vector (roll)
@ -351,15 +357,21 @@ void GLSprite::Draw(int pass)
{
mat.Rotate(0, 1, 0, 0);
if (drawRollSpriteActor)
{
if (useOffsets) mat.Translate(xx, yy, zz);
mat.Rotate(yawvecX, 0, yawvecY, rollDegrees);
if (useOffsets) mat.Translate(-xx, -yy, -zz);
}
}
else if (drawRollSpriteActor)
{
if (useOffsets) mat.Translate(xx, yy, zz);
if (drawWithXYBillboard)
{
mat.Rotate(-sin(angleRad), 0, cos(angleRad), -GLRenderer->mAngles.Pitch.Degrees);
}
mat.Rotate(cos(angleRad), 0, sin(angleRad), rollDegrees);
if (useOffsets) mat.Translate(-xx, -yy, -zz);
}
// apply the transform
@ -370,6 +382,7 @@ void GLSprite::Draw(int pass)
// in the x/y plane.
mat.Rotate(-sin(angleRad), 0, cos(angleRad), -GLRenderer->mAngles.Pitch.Degrees);
}
mat.Translate(-xcenter, -zcenter, -ycenter); // retreat from sprite center
v1 = mat * FVector3(x1, z1, y1);
v2 = mat * FVector3(x2, z1, y2);