bool Terrain_DragScale( terrainMesh_t *p, vec3_t vAmt, vec3_t vMove ) {
vec3_t vMin;
vec3_t vMax;
vec3_t vScale;
vec3_t vTemp;
vec3_t vMid;
int i;
Terrain_CalcBounds( p, vMin, vMax );
VectorSubtract( vMax, vMin, vTemp );
// if we are scaling in the same dimension the terrain has no depth
for( i = 0; i < 3; i++ ) {
if ( ( vTemp[ i ] == 0 ) && ( vMove[ i ] != 0 ) ) {
return false;
}
}
for( i = 0; i < 3; i++ ) {
vMid[ i ] = ( vMin[ i ] + vMax[ i ] ) / 2;
}
for( i = 0; i < 3; i++ ) {
if ( vAmt[ i ] != 0 ) {
vScale[i] = 1.0 + vAmt[i] / vTemp[i];
} else {
vScale[i] = 1.0;
}
}
Terrain_Scale( p, vMid, vScale, false );
VectorSubtract( vMax, vMin, vTemp );
Terrain_CalcBounds( p, vMin, vMax );
VectorSubtract( vMax, vMin, vMid );
VectorSubtract( vMid, vTemp, vTemp );
VectorScale( vTemp, 0.5f, vTemp );
// abs of both should always be equal
if ( !VectorCompare( vMove, vAmt ) ) {
for( i = 0; i < 3; i++ ) {
if ( vMove[ i ] != vAmt[ i ] ) {
vTemp[ i ] = -vTemp[ i ];
}
}
}
Terrain_CalcNormals( p );
Terrain_Move( p, vTemp );
return true;
}
void Select_Scale(float x, float y, float z)
{
Select_GetMid (select_origin);
for (brush_t* b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
{
for (face_t* f=b->brush_faces ; f ; f=f->next)
{
for (int i=0 ; i<3 ; i++)
{
f->planepts[i][0] -= select_origin[0];
f->planepts[i][1] -= select_origin[1];
f->planepts[i][2] -= select_origin[2];
f->planepts[i][0] *= x;
//f->planepts[i][0] = floor(f->planepts[i][0] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
f->planepts[i][1] *= y;
//f->planepts[i][1] = floor(f->planepts[i][1] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
f->planepts[i][2] *= z;
//f->planepts[i][2] = floor(f->planepts[i][2] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
f->planepts[i][0] += select_origin[0];
f->planepts[i][1] += select_origin[1];
f->planepts[i][2] += select_origin[2];
}
}
Brush_Build(b, false);
if (b->patchBrush)
{
vec3_t v;
v[0] = x;
v[1] = y;
v[2] = z;
//Patch_Scale(b->nPatchID, select_origin, v);
Patch_Scale(b->pPatch, select_origin, v);
}
if (b->terrainBrush)
{
vec3_t v;
v[0] = x;
v[1] = y;
v[2] = z;
Terrain_Scale(b->pTerrain, select_origin, v);
}
}
}
