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Reintroduced flat sprites once more.

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- Take note, current flat sprites will change. With no pitch involved, sprites are now flat across the ground.
This commit is contained in:
Major Cooke 2016-09-16 11:45:58 -05:00
parent 7c2886e8ea
commit 66d20726c2
1 changed files with 52 additions and 7 deletions
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59
src/gl/scene/gl_sprite.cpp
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@ -363,8 +363,48 @@ void GLSprite::Draw(int pass)
gl_RenderState.Apply();
FVector3 v[4];
if (actor != nullptr && (actor->renderflags & RF_SPRITETYPEMASK) == RF_FLATSPRITE)
if (actor != nullptr)
{
if ((actor->renderflags & RF_SPRITETYPEMASK) == RF_FLATSPRITE)
{
Matrix3x4 mat;
mat.MakeIdentity();
float cx, cy, cz = z;
if ((actor->renderflags & RF_ROLLCENTER))
{
cx = (x1 + x2) * 0.5;
cy = (y1 + y2) * 0.5;
}
else
{
cx = x;
cy = y;
}
// [MC] Rotate around the center or offsets given to the sprites.
// Counteract any existing rotations, then rotate the angle.
// Tilt the actor up or down based on pitch (increase 'somersaults' forward).
// Then counteract the roll and DO A BARREL ROLL.
FAngle pitch = (float)-actor->Angles.Pitch.Degrees;
pitch.Normalized180();
mat.Translate(cx, cz, cy);
mat.Rotate(0, 1, 0, 270. - actor->Angles.Yaw.Degrees + 90);
mat.Rotate(0, 0, 1, pitch.Degrees);
mat.Rotate(0, 1, 0, 270. - actor->Angles.Roll.Degrees);
mat.Translate(-cx, -cz, -cy);
v[0] = mat * FVector3(x1, z, y2);
v[1] = mat * FVector3(x2, z, y2);
v[2] = mat * FVector3(x1, z, y1);
v[3] = mat * FVector3(x2, z, y1);
}
else
{
CalculateVertices(v);
}
}
else
{
@ -595,7 +635,7 @@ void GLSprite::Process(AActor* thing, sector_t * sector, int thruportal)
sector_t * rendersector;
// Don't waste time projecting sprites that are definitely not visible.
if (thing == NULL || thing->sprite == 0 || !thing->IsVisibleToPlayer())
if (thing == nullptr || thing->sprite == 0 || !thing->IsVisibleToPlayer())
{
return;
}
@ -728,7 +768,8 @@ void GLSprite::Process(AActor* thing, sector_t * sector, int thruportal)
float rightfac = -r.left;
float leftfac = rightfac - r.width;
float bottomfac = -r.top;
float topfac = bottomfac - r.height;
z1 = z - r.top;
z2 = z1 - r.height;
@ -753,11 +794,15 @@ void GLSprite::Process(AActor* thing, sector_t * sector, int thruportal)
y1 = y + viewvecX*leftfac;
y2 = y + viewvecX*rightfac;
break;
case RF_FLATSPRITE:
// needs careful rethinking
return;
{
x1 = x + leftfac;
x2 = x + rightfac;
y1 = y - topfac;
y2 = y - bottomfac;
}
break;
case RF_WALLSPRITE:
viewvecX = thing->Angles.Yaw.Cos();
viewvecY = thing->Angles.Yaw.Sin();