mirror of
https://github.com/UberGames/GtkRadiant.git
synced 2024-11-23 04:12:06 +00:00
309 lines
7.3 KiB
C++
309 lines
7.3 KiB
C++
/*
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Copyright (C) 1999-2007 id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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//
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// bkgrnd2d Plugin
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//
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// Code by reyalP aka Reed Mideke
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//
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// Based on various other plugins
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//
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#include "bkgrnd2d.h"
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CBackgroundRender render;
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CBackgroundImage backgroundXY( XY ),backgroundXZ( XZ ),backgroundYZ( YZ );
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CBackgroundRender::CBackgroundRender(){
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refCount = 1;
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}
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CBackgroundRender::~CBackgroundRender(){
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}
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void CBackgroundRender::Register(){
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g_QglTable.m_pfnHookGL2DWindow( this );
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}
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void CBackgroundRender::Draw2D( VIEWTYPE vt ){
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switch ( vt )
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{
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case XY:
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backgroundXY.Render();
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break;
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case XZ:
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backgroundXZ.Render();
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break;
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case YZ:
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backgroundYZ.Render();
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break;
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}
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}
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CBackgroundImage::CBackgroundImage( VIEWTYPE vt ){
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m_tex = NULL;
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m_alpha = 0.5;
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// TODO, sensible defaults ? Or not show until we have extents ?
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m_xmin = m_ymin = 0.0f;
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m_xmax = m_ymax = 0.0f;
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m_bActive = false;
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m_vt = vt;
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switch ( m_vt )
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{
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case XY:
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m_ix = 0;
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m_iy = 1;
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break;
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case XZ:
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m_ix = 0;
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m_iy = 2;
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break;
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case YZ:
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m_ix = 1;
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m_iy = 2;
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break;
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}
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}
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/*
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* should cleanup, but I don't think we can be sure it happens before our
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* interfaces are gone
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CBackgroundImage::~CBackgroundImage()
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{
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}
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*/
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void CBackgroundImage::Cleanup(){
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if ( m_tex ) {
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g_QglTable.m_pfn_qglDeleteTextures( 1,&m_tex->texture_number );
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g_free( m_tex );
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m_tex = NULL;
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}
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}
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void CBackgroundImage::Render(){
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if ( !m_bActive || !Valid() ) {
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return;
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}
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g_QglTable.m_pfn_qglPushAttrib( GL_ALL_ATTRIB_BITS );
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g_QglTable.m_pfn_qglEnable( GL_TEXTURE_2D );
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g_QglTable.m_pfn_qglEnable( GL_BLEND );
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g_QglTable.m_pfn_qglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
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g_QglTable.m_pfn_qglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
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g_QglTable.m_pfn_qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP );
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g_QglTable.m_pfn_qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP );
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g_QglTable.m_pfn_qglPolygonMode( GL_FRONT,GL_FILL );
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// TODO, just so we can tell if we end up going the wrong way
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// g_QglTable.m_pfn_qglPolygonMode(GL_BACK,GL_LINE);
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// TODO any other state we should not assume ?
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g_QglTable.m_pfn_qglBindTexture( GL_TEXTURE_2D, m_tex->texture_number );
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g_QglTable.m_pfn_qglBegin( GL_QUADS );
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g_QglTable.m_pfn_qglColor4f( 1.0,1.0,1.0,m_alpha );
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g_QglTable.m_pfn_qglTexCoord2f( 0.0,1.0 );
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g_QglTable.m_pfn_qglVertex2f( m_xmin,m_ymin );
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g_QglTable.m_pfn_qglTexCoord2f( 1.0,1.0 );
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g_QglTable.m_pfn_qglVertex2f( m_xmax,m_ymin );
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g_QglTable.m_pfn_qglTexCoord2f( 1.0,0.0 );
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g_QglTable.m_pfn_qglVertex2f( m_xmax,m_ymax );
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g_QglTable.m_pfn_qglTexCoord2f( 0.0,0.0 );
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g_QglTable.m_pfn_qglVertex2f( m_xmin,m_ymax );
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g_QglTable.m_pfn_qglEnd();
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g_QglTable.m_pfn_qglBindTexture( GL_TEXTURE_2D, 0 );
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g_QglTable.m_pfn_qglPopAttrib();
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}
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bool CBackgroundImage::Load( const char *filename ){
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qtexture_t *newtex;
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unsigned char *image = NULL; // gets allocated with what ? g_malloc
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int width = 0, height = 0;
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g_FuncTable.m_pfnLoadImage( filename,&image,&width,&height );
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if ( !image ) {
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Syn_Printf( MSG_WARN "load %s failed\n",filename );
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return false;
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}
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// just in case we want to build for an old version
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#ifdef BKGRND2D_JPG_WORKAROUND
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if ( strlen( filename ) > 4 && !strcmp( ".jpg",filename + strlen( filename ) - 4 ) ) {
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Syn_Printf( MSG_PREFIX ".jpg workaround, clearing alpha channel\n" );
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int size = width * height * 4;
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int i;
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for ( i = 3; i < size; i += 4 ) {
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image[i] = 255;
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}
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}
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#endif
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//TODO bug for stored texture size
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//TODO whose gl context are we in, anyway ?
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newtex = g_FuncTable.m_pfnLoadTextureRGBA( image,width,height );
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g_free( image );
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if ( !newtex ) {
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Syn_Printf( MSG_WARN "image to texture failed\n" );
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return false;
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}
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Cleanup();
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m_tex = newtex;
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g_FuncTable.m_pfnSysUpdateWindows( W_XY );
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return true;
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}
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bool CBackgroundImage::SetExtentsMM(){
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entity_s *worldentity;
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const char *val;
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int xmin = 0, ymin = 0, xmax = 0, ymax = 0;
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worldentity = (entity_s *)g_FuncTable.m_pfnGetEntityHandle( 0 );
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if ( !worldentity ) {
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Syn_Printf( MSG_WARN "SetExtentsMM worldspawn not found\n" );
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return false;
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}
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//TODO val is not NULL even if key does not exist
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val = g_EntityTable.m_pfnValueForKey( worldentity,"mapcoordsmins" );
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if ( !val || !val[0] ) {
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Syn_Printf( MSG_WARN "SetExtentsMM mapcoordsmins not found\n" );
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return false;
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}
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// we could be more robust
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// note contortions due to splashs strange idea of min and max
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if ( sscanf( val, "%d %d",&xmin,&ymax ) != 2 ) {
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Syn_Printf( MSG_WARN "SetExtentsMM mapcoordsmins malformed\n" );
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return false;
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}
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val = g_EntityTable.m_pfnValueForKey( worldentity,"mapcoordsmaxs" );
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if ( !val || !val[0] ) {
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Syn_Printf( MSG_WARN "SetExtentsMM mapcoordsmaxs not found\n" );
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return false;
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}
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if ( sscanf( val, "%d %d",&xmax,&ymin ) != 2 ) {
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Syn_Printf( MSG_WARN "SetExtentsMM mapcoordsmaxs malformed\n" );
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return false;
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}
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//might do sanity check before we commit
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m_xmin = (float)xmin;
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m_ymin = (float)ymin;
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m_xmax = (float)xmax;
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m_ymax = (float)ymax;
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g_FuncTable.m_pfnSysUpdateWindows( W_XY );
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return true;
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}
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// TODO, this should just be exported from core
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// ripped directly from radiant/select.cpp:Select_GetBounds
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//
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static bool get_selection_bounds( vec3_t mins, vec3_t maxs ){
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brush_t *b;
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int i;
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brush_t *selected_brushes = g_DataTable.m_pfnSelectedBrushes();
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//TODO should never happen
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if ( !selected_brushes ) {
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Sys_Printf( MSG_PREFIX "selected_brushes = NULL\n" );
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return false;
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}
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// this should mean no selection
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if ( selected_brushes == selected_brushes->next ) {
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Sys_Printf( MSG_PREFIX "nothing selected\n" );
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return false;
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}
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for ( i = 0 ; i < 3 ; i++ )
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{
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mins[i] = 99999;
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maxs[i] = -99999;
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}
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for ( b = selected_brushes->next ; b != selected_brushes ; b = b->next )
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{
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if ( b->owner->eclass->fixedsize ) {
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for ( i = 0 ; i < 3 ; i++ )
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{
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if ( b->owner->origin[i] < mins[i] ) {
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mins[i] = b->owner->origin[i];
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}
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if ( b->owner->origin[i] > maxs[i] ) {
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maxs[i] = b->owner->origin[i];
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}
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}
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}
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else
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{
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for ( i = 0 ; i < 3 ; i++ )
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{
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if ( b->mins[i] < mins[i] ) {
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mins[i] = b->mins[i];
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}
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if ( b->maxs[i] > maxs[i] ) {
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maxs[i] = b->maxs[i];
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}
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}
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}
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}
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return true;
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}
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bool CBackgroundImage::SetExtentsSel(){
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vec3_t mins,maxs;
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if ( !get_selection_bounds( mins,maxs ) ) {
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return false;
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}
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if ( ( (int)mins[m_ix] == (int)maxs[m_ix] ) ||
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( (int)mins[m_iy] == (int)maxs[m_iy] ) ) {
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Syn_Printf( MSG_PREFIX "tiny selection\n" );
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return false;
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}
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m_xmin = mins[m_ix];
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m_ymin = mins[m_iy];
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m_xmax = maxs[m_ix];
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m_ymax = maxs[m_iy];
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g_FuncTable.m_pfnSysUpdateWindows( W_XY );
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return true;
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}
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