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[xonotic/netradiant.git] / contrib / bkgrnd2d / bkgrnd2d.cpp
index b2f09ff92feb2d99271cdd9f739b1dabd8dc2e3f..b115952550b48e9de09ae19f18477fa0eb6dd7ca 100644 (file)
-/*\r
-Copyright (C) 1999-2007 id Software, Inc. and contributors.\r
-For a list of contributors, see the accompanying CONTRIBUTORS file.\r
-\r
-This file is part of GtkRadiant.\r
-\r
-GtkRadiant is free software; you can redistribute it and/or modify\r
-it under the terms of the GNU General Public License as published by\r
-the Free Software Foundation; either version 2 of the License, or\r
-(at your option) any later version.\r
-\r
-GtkRadiant is distributed in the hope that it will be useful,\r
-but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
-GNU General Public License for more details.\r
-\r
-You should have received a copy of the GNU General Public License\r
-along with GtkRadiant; if not, write to the Free Software\r
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA\r
-*/\r
-\r
-//\r
-// bkgrnd2d Plugin\r
-//\r
-// Code by reyalP aka Reed Mideke\r
-//\r
-// Based on various other plugins\r
-//\r
-\r
-#include "bkgrnd2d.h"\r
-\r
-CBackgroundRender render;\r
-\r
-CBackgroundImage backgroundXY(XY),backgroundXZ(XZ),backgroundYZ(YZ);\r
-\r
-CBackgroundRender::CBackgroundRender()\r
-{\r
-       refCount = 1;\r
-}\r
-\r
-CBackgroundRender::~CBackgroundRender()\r
-{\r
-}\r
-\r
-void CBackgroundRender::Register()\r
-{\r
-       g_QglTable.m_pfnHookGL2DWindow( this );\r
-}\r
-\r
-void CBackgroundRender::Draw2D( VIEWTYPE vt )\r
-{\r
-       switch(vt)\r
-       {\r
-       case XY:\r
-               backgroundXY.Render();\r
-               break;\r
-       case XZ:\r
-               backgroundXZ.Render();\r
-               break;\r
-       case YZ:\r
-               backgroundYZ.Render();\r
-               break;\r
-       }\r
-}\r
-\r
-\r
-CBackgroundImage::CBackgroundImage(VIEWTYPE vt)\r
-{\r
-       m_tex = NULL;\r
-       m_alpha = 0.5;\r
-\r
-       // TODO, sensible defaults ? Or not show until we have extents ?\r
-       m_xmin = m_ymin = 0.0f;\r
-       m_xmax = m_ymax = 0.0f;\r
-\r
-       m_bActive = false;\r
-\r
-       m_vt = vt;\r
-\r
-       switch(m_vt)\r
-       {\r
-               case XY:\r
-                       m_ix = 0;\r
-                       m_iy = 1;\r
-                       break;\r
-               case XZ:\r
-                       m_ix = 0;\r
-                       m_iy = 2;\r
-                       break;\r
-               case YZ:\r
-                       m_ix = 1;\r
-                       m_iy = 2;\r
-                       break;\r
-       }\r
-}\r
-\r
-/*\r
- * should cleanup, but I don't think we can be sure it happens before our \r
- * interfaces are gone\r
-CBackgroundImage::~CBackgroundImage()\r
-{\r
-}\r
-*/\r
-\r
-void CBackgroundImage::Cleanup()\r
-{\r
-       if(m_tex) {\r
-               g_QglTable.m_pfn_qglDeleteTextures(1,&m_tex->texture_number);\r
-               g_free(m_tex);\r
-               m_tex = NULL;\r
-       }\r
-}\r
-\r
-void CBackgroundImage::Render()\r
-{\r
-       if (!m_bActive || !Valid())\r
-               return;\r
-       g_QglTable.m_pfn_qglPushAttrib(GL_ALL_ATTRIB_BITS);\r
-\r
-       g_QglTable.m_pfn_qglEnable(GL_TEXTURE_2D);\r
-       g_QglTable.m_pfn_qglEnable(GL_BLEND);\r
-       g_QglTable.m_pfn_qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);\r
-       g_QglTable.m_pfn_qglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);\r
-       g_QglTable.m_pfn_qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);\r
-       g_QglTable.m_pfn_qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);\r
-\r
-       g_QglTable.m_pfn_qglPolygonMode(GL_FRONT,GL_FILL);\r
-       // TODO, just so we can tell if we end up going the wrong way\r
-       // g_QglTable.m_pfn_qglPolygonMode(GL_BACK,GL_LINE);\r
-       // TODO any other state we should not assume ?\r
-\r
-       g_QglTable.m_pfn_qglBindTexture(GL_TEXTURE_2D, m_tex->texture_number);\r
-       g_QglTable.m_pfn_qglBegin(GL_QUADS);\r
-\r
-       g_QglTable.m_pfn_qglColor4f(1.0,1.0,1.0,m_alpha);\r
-       g_QglTable.m_pfn_qglTexCoord2f(0.0,1.0);\r
-       g_QglTable.m_pfn_qglVertex2f(m_xmin,m_ymin);\r
-\r
-       g_QglTable.m_pfn_qglTexCoord2f(1.0,1.0);\r
-       g_QglTable.m_pfn_qglVertex2f(m_xmax,m_ymin);\r
-\r
-       g_QglTable.m_pfn_qglTexCoord2f(1.0,0.0);\r
-       g_QglTable.m_pfn_qglVertex2f(m_xmax,m_ymax);\r
-\r
-       g_QglTable.m_pfn_qglTexCoord2f(0.0,0.0);\r
-       g_QglTable.m_pfn_qglVertex2f(m_xmin,m_ymax);\r
-\r
-       g_QglTable.m_pfn_qglEnd();\r
-       g_QglTable.m_pfn_qglBindTexture(GL_TEXTURE_2D, 0);\r
-\r
-       g_QglTable.m_pfn_qglPopAttrib();\r
-}\r
-\r
-bool CBackgroundImage::Load(const char *filename)\r
-{\r
-       qtexture_t *newtex;\r
-       \r
-       unsigned char *image = NULL; // gets allocated with what ? g_malloc\r
-       int width = 0, height = 0;\r
-\r
-       g_FuncTable.m_pfnLoadImage(filename,&image,&width,&height);\r
-\r
-       if(!image) {\r
-               Syn_Printf(MSG_WARN "load %s failed\n",filename);\r
-               return false;\r
-       }\r
-\r
-// just in case we want to build for an old version\r
-// http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=900\r
-#ifdef BKGRND2D_JPG_WORKAROUND\r
-       if ( strlen(filename) > 4 && !strcmp(".jpg",filename + strlen(filename) - 4)) {\r
-               Syn_Printf(MSG_PREFIX ".jpg workaround, clearing alpha channel\n");\r
-               int size = width*height*4;\r
-               int i;\r
-               for (i = 3; i < size; i+=4) {\r
-                       image[i] = 255;\r
-               }\r
-       }\r
-#endif\r
-       \r
-       //TODO bug for stored texture size\r
-       //TODO whose gl context are we in, anyway ?\r
-       newtex = g_FuncTable.m_pfnLoadTextureRGBA(image,width,height);\r
-\r
-       g_free(image);\r
-\r
-       if(!newtex) {\r
-               Syn_Printf(MSG_WARN "image to texture failed\n");\r
-               return false;\r
-       }\r
-\r
-       Cleanup();\r
-       m_tex = newtex;\r
-\r
-       g_FuncTable.m_pfnSysUpdateWindows(W_XY);\r
-\r
-       return true;\r
-}\r
-\r
-bool CBackgroundImage::SetExtentsMM()\r
-{\r
-       entity_s *worldentity;\r
-       const char *val;\r
-       int xmin = 0, ymin = 0, xmax = 0, ymax = 0;\r
-\r
-       worldentity = (entity_s *)g_FuncTable.m_pfnGetEntityHandle(0);\r
-       if(!worldentity) {\r
-               Syn_Printf(MSG_WARN "SetExtentsMM worldspawn not found\n");\r
-               return false;\r
-       }\r
-       //TODO val is not NULL even if key does not exist\r
-       val = g_EntityTable.m_pfnValueForKey(worldentity,"mapcoordsmins");\r
-       if(!val || !val[0]) {\r
-               Syn_Printf(MSG_WARN "SetExtentsMM mapcoordsmins not found\n");\r
-               return false;\r
-       }\r
-// we could be more robust\r
-// note contortions due to splashs strange idea of min and max\r
-       if(sscanf(val, "%d %d",&xmin,&ymax) != 2)\r
-       {\r
-               Syn_Printf(MSG_WARN "SetExtentsMM mapcoordsmins malformed\n");\r
-               return false;\r
-       }\r
-\r
-       val = g_EntityTable.m_pfnValueForKey(worldentity,"mapcoordsmaxs");\r
-       if(!val || !val[0]) {\r
-               Syn_Printf(MSG_WARN "SetExtentsMM mapcoordsmaxs not found\n");\r
-               return false;\r
-       }\r
-       if(sscanf(val, "%d %d",&xmax,&ymin) != 2)\r
-       {\r
-               Syn_Printf(MSG_WARN "SetExtentsMM mapcoordsmaxs malformed\n");\r
-               return false;\r
-       }\r
-       //might do sanity check before we commit\r
-       m_xmin = (float)xmin;\r
-       m_ymin = (float)ymin;\r
-       m_xmax = (float)xmax;\r
-       m_ymax = (float)ymax;\r
-\r
-       g_FuncTable.m_pfnSysUpdateWindows(W_XY);\r
-       return true;\r
-}\r
-\r
-// TODO, this should just be exported from core\r
-// ripped directly from radiant/select.cpp:Select_GetBounds\r
-//\r
-static bool get_selection_bounds (vec3_t mins, vec3_t maxs)\r
-{\r
-       brush_t *b;\r
-       int             i;\r
-       brush_t *selected_brushes = g_DataTable.m_pfnSelectedBrushes();\r
-       //TODO should never happen\r
-       if(!selected_brushes) {\r
-         Sys_Printf (MSG_PREFIX "selected_brushes = NULL\n"); \r
-         return false;\r
-       }\r
-       // this should mean no selection\r
-       if(selected_brushes == selected_brushes->next) {\r
-         Sys_Printf (MSG_PREFIX "nothing selected\n"); \r
-\r
-         return false;\r
-       }\r
-\r
-       for (i=0 ; i<3 ; i++)\r
-       {\r
-               mins[i] = 99999;\r
-               maxs[i] = -99999;\r
-       }\r
-\r
-       for (b=selected_brushes->next ; b != selected_brushes ; b=b->next)\r
-       {\r
-               if (b->owner->eclass->fixedsize)\r
-               {\r
-                       for (i=0 ; i<3 ; i++)\r
-                       {\r
-                               if (b->owner->origin[i] < mins[i])\r
-                                       mins[i] = b->owner->origin[i];\r
-                               if (b->owner->origin[i] > maxs[i])\r
-                                       maxs[i] = b->owner->origin[i];\r
-                       }\r
-               }\r
-               else\r
-               {\r
-                       for (i=0 ; i<3 ; i++)\r
-                       {\r
-                               if (b->mins[i] < mins[i])\r
-                                       mins[i] = b->mins[i];\r
-                               if (b->maxs[i] > maxs[i])\r
-                                       maxs[i] = b->maxs[i];\r
-                       }\r
-               }\r
-       }\r
-  return true;\r
-}\r
-\r
-bool CBackgroundImage::SetExtentsSel()\r
-{\r
-       vec3_t mins,maxs;\r
-\r
-       if(!get_selection_bounds(mins,maxs)) \r
-               return false;\r
-\r
-       if(((int)mins[m_ix] == (int)maxs[m_ix]) ||\r
-     ((int)mins[m_iy] == (int)maxs[m_iy])) {\r
-               Syn_Printf(MSG_PREFIX "tiny selection\n");\r
-               return false;\r
-       }\r
-\r
-       m_xmin = mins[m_ix];\r
-       m_ymin = mins[m_iy];\r
-       m_xmax = maxs[m_ix];\r
-       m_ymax = maxs[m_iy];\r
-\r
-       g_FuncTable.m_pfnSysUpdateWindows(W_XY);\r
-\r
-  return true;\r
-}\r
-\r
+/*
+   Copyright (C) 2003 Reed Mideke.
+
+   This file is part of GtkRadiant.
+
+   GtkRadiant is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   GtkRadiant is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GtkRadiant; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+//
+// bkgrnd2d Plugin
+//
+// Code by reyalP aka Reed Mideke
+//
+// Based on various other plugins
+//
+
+#include "bkgrnd2d.h"
+
+CBackgroundRender render;
+
+CBackgroundImage backgroundXY( XY ),backgroundXZ( XZ ),backgroundYZ( YZ );
+
+CBackgroundRender::CBackgroundRender(){
+       refCount = 1;
+}
+
+CBackgroundRender::~CBackgroundRender(){
+}
+
+void CBackgroundRender::Register(){
+       g_QglTable.m_pfnHookGL2DWindow( this );
+}
+
+void CBackgroundRender::Draw2D( VIEWTYPE vt ){
+       switch ( vt )
+       {
+       case XY:
+               backgroundXY.Render();
+               break;
+       case XZ:
+               backgroundXZ.Render();
+               break;
+       case YZ:
+               backgroundYZ.Render();
+               break;
+       }
+}
+
+
+CBackgroundImage::CBackgroundImage( VIEWTYPE vt ){
+       m_tex = NULL;
+       m_alpha = 0.5;
+
+       // TODO, sensible defaults ? Or not show until we have extents ?
+       m_xmin = m_ymin = 0.0f;
+       m_xmax = m_ymax = 0.0f;
+
+       m_bActive = false;
+
+       m_vt = vt;
+
+       switch ( m_vt )
+       {
+       case XY:
+               m_ix = 0;
+               m_iy = 1;
+               break;
+       case XZ:
+               m_ix = 0;
+               m_iy = 2;
+               break;
+       case YZ:
+               m_ix = 1;
+               m_iy = 2;
+               break;
+       }
+}
+
+/*
+ * should cleanup, but I don't think we can be sure it happens before our
+ * interfaces are gone
+   CBackgroundImage::~CBackgroundImage()
+   {
+   }
+ */
+
+void CBackgroundImage::Cleanup(){
+       if ( m_tex ) {
+               g_QglTable.m_pfn_qglDeleteTextures( 1,&m_tex->texture_number );
+               g_free( m_tex );
+               m_tex = NULL;
+       }
+}
+
+void CBackgroundImage::Render(){
+       if ( !m_bActive || !Valid() ) {
+               return;
+       }
+       g_QglTable.m_pfn_qglPushAttrib( GL_ALL_ATTRIB_BITS );
+
+       g_QglTable.m_pfn_qglEnable( GL_TEXTURE_2D );
+       g_QglTable.m_pfn_qglEnable( GL_BLEND );
+       g_QglTable.m_pfn_qglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
+       g_QglTable.m_pfn_qglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
+       g_QglTable.m_pfn_qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP );
+       g_QglTable.m_pfn_qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP );
+
+       g_QglTable.m_pfn_qglPolygonMode( GL_FRONT,GL_FILL );
+       // TODO, just so we can tell if we end up going the wrong way
+       // g_QglTable.m_pfn_qglPolygonMode(GL_BACK,GL_LINE);
+       // TODO any other state we should not assume ?
+
+       g_QglTable.m_pfn_qglBindTexture( GL_TEXTURE_2D, m_tex->texture_number );
+       g_QglTable.m_pfn_qglBegin( GL_QUADS );
+
+       g_QglTable.m_pfn_qglColor4f( 1.0,1.0,1.0,m_alpha );
+       g_QglTable.m_pfn_qglTexCoord2f( 0.0,1.0 );
+       g_QglTable.m_pfn_qglVertex2f( m_xmin,m_ymin );
+
+       g_QglTable.m_pfn_qglTexCoord2f( 1.0,1.0 );
+       g_QglTable.m_pfn_qglVertex2f( m_xmax,m_ymin );
+
+       g_QglTable.m_pfn_qglTexCoord2f( 1.0,0.0 );
+       g_QglTable.m_pfn_qglVertex2f( m_xmax,m_ymax );
+
+       g_QglTable.m_pfn_qglTexCoord2f( 0.0,0.0 );
+       g_QglTable.m_pfn_qglVertex2f( m_xmin,m_ymax );
+
+       g_QglTable.m_pfn_qglEnd();
+       g_QglTable.m_pfn_qglBindTexture( GL_TEXTURE_2D, 0 );
+
+       g_QglTable.m_pfn_qglPopAttrib();
+}
+
+bool CBackgroundImage::Load( const char *filename ){
+       qtexture_t *newtex;
+
+       unsigned char *image = NULL; // gets allocated with what ? g_malloc
+       int width = 0, height = 0;
+
+       g_FuncTable.m_pfnLoadImage( filename,&image,&width,&height );
+
+       if ( !image ) {
+               Syn_Printf( MSG_WARN "load %s failed\n",filename );
+               return false;
+       }
+
+// just in case we want to build for an old version
+// http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=900
+#ifdef BKGRND2D_JPG_WORKAROUND
+       if ( strlen( filename ) > 4 && !strcmp( ".jpg",filename + strlen( filename ) - 4 ) ) {
+               Syn_Printf( MSG_PREFIX ".jpg workaround, clearing alpha channel\n" );
+               int size = width * height * 4;
+               int i;
+               for ( i = 3; i < size; i += 4 ) {
+                       image[i] = 255;
+               }
+       }
+#endif
+
+       //TODO bug for stored texture size
+       //TODO whose gl context are we in, anyway ?
+       newtex = g_FuncTable.m_pfnLoadTextureRGBA( image,width,height );
+
+       g_free( image );
+
+       if ( !newtex ) {
+               Syn_Printf( MSG_WARN "image to texture failed\n" );
+               return false;
+       }
+
+       Cleanup();
+       m_tex = newtex;
+
+       g_FuncTable.m_pfnSysUpdateWindows( W_XY );
+
+       return true;
+}
+
+bool CBackgroundImage::SetExtentsMM(){
+       entity_s *worldentity;
+       const char *val;
+       int xmin = 0, ymin = 0, xmax = 0, ymax = 0;
+
+       worldentity = (entity_s *)g_FuncTable.m_pfnGetEntityHandle( 0 );
+       if ( !worldentity ) {
+               Syn_Printf( MSG_WARN "SetExtentsMM worldspawn not found\n" );
+               return false;
+       }
+       //TODO val is not NULL even if key does not exist
+       val = g_EntityTable.m_pfnValueForKey( worldentity,"mapcoordsmins" );
+       if ( !val || !val[0] ) {
+               Syn_Printf( MSG_WARN "SetExtentsMM mapcoordsmins not found\n" );
+               return false;
+       }
+// we could be more robust
+// note contortions due to splashs strange idea of min and max
+       if ( sscanf( val, "%d %d",&xmin,&ymax ) != 2 ) {
+               Syn_Printf( MSG_WARN "SetExtentsMM mapcoordsmins malformed\n" );
+               return false;
+       }
+
+       val = g_EntityTable.m_pfnValueForKey( worldentity,"mapcoordsmaxs" );
+       if ( !val || !val[0] ) {
+               Syn_Printf( MSG_WARN "SetExtentsMM mapcoordsmaxs not found\n" );
+               return false;
+       }
+       if ( sscanf( val, "%d %d",&xmax,&ymin ) != 2 ) {
+               Syn_Printf( MSG_WARN "SetExtentsMM mapcoordsmaxs malformed\n" );
+               return false;
+       }
+       //might do sanity check before we commit
+       m_xmin = (float)xmin;
+       m_ymin = (float)ymin;
+       m_xmax = (float)xmax;
+       m_ymax = (float)ymax;
+
+       g_FuncTable.m_pfnSysUpdateWindows( W_XY );
+       return true;
+}
+
+// TODO, this should just be exported from core
+// ripped directly from radiant/select.cpp:Select_GetBounds
+//
+static bool get_selection_bounds( vec3_t mins, vec3_t maxs ){
+       brush_t *b;
+       int i;
+       brush_t *selected_brushes = g_DataTable.m_pfnSelectedBrushes();
+       //TODO should never happen
+       if ( !selected_brushes ) {
+               Sys_Printf( MSG_PREFIX "selected_brushes = NULL\n" );
+               return false;
+       }
+       // this should mean no selection
+       if ( selected_brushes == selected_brushes->next ) {
+               Sys_Printf( MSG_PREFIX "nothing selected\n" );
+
+               return false;
+       }
+
+       for ( i = 0 ; i < 3 ; i++ )
+       {
+               mins[i] = 99999;
+               maxs[i] = -99999;
+       }
+
+       for ( b = selected_brushes->next ; b != selected_brushes ; b = b->next )
+       {
+               if ( b->owner->eclass->fixedsize ) {
+                       for ( i = 0 ; i < 3 ; i++ )
+                       {
+                               if ( b->owner->origin[i] < mins[i] ) {
+                                       mins[i] = b->owner->origin[i];
+                               }
+                               if ( b->owner->origin[i] > maxs[i] ) {
+                                       maxs[i] = b->owner->origin[i];
+                               }
+                       }
+               }
+               else
+               {
+                       for ( i = 0 ; i < 3 ; i++ )
+                       {
+                               if ( b->mins[i] < mins[i] ) {
+                                       mins[i] = b->mins[i];
+                               }
+                               if ( b->maxs[i] > maxs[i] ) {
+                                       maxs[i] = b->maxs[i];
+                               }
+                       }
+               }
+       }
+       return true;
+}
+
+bool CBackgroundImage::SetExtentsSel(){
+       vec3_t mins,maxs;
+
+       if ( !get_selection_bounds( mins,maxs ) ) {
+               return false;
+       }
+
+       if ( ( (int)mins[m_ix] == (int)maxs[m_ix] ) ||
+                ( (int)mins[m_iy] == (int)maxs[m_iy] ) ) {
+               Syn_Printf( MSG_PREFIX "tiny selection\n" );
+               return false;
+       }
+
+       m_xmin = mins[m_ix];
+       m_ymin = mins[m_iy];
+       m_xmax = maxs[m_ix];
+       m_ymax = maxs[m_iy];
+
+       g_FuncTable.m_pfnSysUpdateWindows( W_XY );
+
+       return true;
+}