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* hacked quake2 transparent surfaces support into the draw brush function
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant@223 8a3a26a2-13c4-0310-b231-cf6edde360e5
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1 changed files with 18 additions and 3 deletions
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@ -2889,6 +2889,9 @@ void Brush_FaceDraw(face_t *face, int nGLState)
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qglEnd();
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}
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#define Q2_SURF_TRANS33 0x00000010
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#define Q2_SURF_TRANS66 0x00000020
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void Brush_Draw(brush_t *b)
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{
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face_t *face;
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@ -2907,6 +2910,7 @@ void Brush_Draw(brush_t *b)
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// guarantee the texture will be set first
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bool bTrans;
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float transVal;
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prev = NULL;
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for (face = b->brush_faces,order = 0 ; face ; face=face->next, order++)
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{
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@ -2917,6 +2921,17 @@ void Brush_Draw(brush_t *b)
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}
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bTrans = (face->pShader->getFlags() & QER_TRANS);
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transVal = face->pShader->getTrans();
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// try to read the texture def surface flags to get trans
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if (!bTrans) {
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if (face->texdef.flags & Q2_SURF_TRANS33) {
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bTrans = true;
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transVal = 0.33;
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} else if (face->texdef.flags & Q2_SURF_TRANS66) {
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bTrans = true;
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transVal = 0.66;
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}
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}
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if (bTrans && !(nGLState & DRAW_GL_BLEND))
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continue;
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@ -2960,7 +2975,7 @@ void Brush_Draw(brush_t *b)
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if (nGLState & DRAW_GL_LIGHTING && !g_PrefsDlg.m_bGLLighting)
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{
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if (!b->owner->eclass->fixedsize)
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material[3] = face->pShader->getTrans();
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material[3] = transVal;
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else
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material[3] = 1;
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VectorCopy(face->d_color, material);
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@ -2974,7 +2989,7 @@ void Brush_Draw(brush_t *b)
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{
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pShader = face->pShader;
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VectorCopy(pShader->getTexture()->color, material);
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material[3] = identity[3] = pShader->getTrans();
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material[3] = identity[3] = transVal;
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if (nGLState & DRAW_GL_TEXTURE_2D)
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qglColor4fv(identity);
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