* hacked quake2 transparent surfaces support into the draw brush function

git-svn-id: https://zerowing.idsoftware.com/svn/radiant/GtkRadiant/branches/ZeroRadiant@223 8a3a26a2-13c4-0310-b231-cf6edde360e5

diff --git a/radiant/brush.cpp b/radiant/brush.cpp
index 18866b4fc25b96a40b9d0ac6e6a8f217f090a7f0..2e5780350ac66cc4b7f7d46266c21d71fc301c90 100644 (file)
--- a/radiant/brush.cpp
+++ b/radiant/brush.cpp
@@ -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);