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* hacked quake2 transparent surfaces support into the draw brush function

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git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant@223 8a3a26a2-13c4-0310-b231-cf6edde360e5
This commit is contained in:
mattn 2008-03-16 20:39:33 +00:00
parent 6d06cd9779
commit cbe18164fb
1 changed files with 18 additions and 3 deletions
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21
radiant/brush.cpp
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@ -2889,6 +2889,9 @@ void Brush_FaceDraw(face_t *face, int nGLState)
qglEnd();
}
#define Q2_SURF_TRANS33 0x00000010
#define Q2_SURF_TRANS66 0x00000020
void Brush_Draw(brush_t *b)
{
face_t *face;
@ -2907,6 +2910,7 @@ void Brush_Draw(brush_t *b)
// guarantee the texture will be set first
bool bTrans;
float transVal;
prev = NULL;
for (face = b->brush_faces,order = 0 ; face ; face=face->next, order++)
{
@ -2916,7 +2920,18 @@ void Brush_Draw(brush_t *b)
continue; // freed face
}
bTrans = (face->pShader->getFlags() & QER_TRANS);
bTrans = (face->pShader->getFlags() & QER_TRANS);
transVal = face->pShader->getTrans();
// try to read the texture def surface flags to get trans
if (!bTrans) {
if (face->texdef.flags & Q2_SURF_TRANS33) {
bTrans = true;
transVal = 0.33;
} else if (face->texdef.flags & Q2_SURF_TRANS66) {
bTrans = true;
transVal = 0.66;
}
}
if (bTrans && !(nGLState & DRAW_GL_BLEND))
continue;
@ -2960,7 +2975,7 @@ void Brush_Draw(brush_t *b)
if (nGLState & DRAW_GL_LIGHTING && !g_PrefsDlg.m_bGLLighting)
{
if (!b->owner->eclass->fixedsize)
material[3] = face->pShader->getTrans();
material[3] = transVal;
else
material[3] = 1;
VectorCopy(face->d_color, material);
@ -2974,7 +2989,7 @@ void Brush_Draw(brush_t *b)
{
pShader = face->pShader;
VectorCopy(pShader->getTexture()->color, material);
material[3] = identity[3] = pShader->getTrans();
material[3] = identity[3] = transVal;
if (nGLState & DRAW_GL_TEXTURE_2D)
qglColor4fv(identity);