Recovered from microbel

2025-03-05 08:35:31 +01:00
commit 88b92402a8
601 changed files with 82177 additions and 0 deletions
--- a/client/renderer/gltexture.C
+++ b/client/renderer/gltexture.C
@@ -0,0 +1,146 @@
+/*
+ * PVVMUD a 3D MUD
+ * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+#include "pvvmud.H"
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "gltexture.H"
+
+#ifdef HAVE_GL_GLUT_H
+#include <GL/glut.h>
+#endif /* HAVE_GL_GLUT_H */
+
+static GLboolean HaveTexObj = GL_FALSE;
+
+#if defined(GL_VERSION_1_1)
+#  define TEXTURE_OBJECT 1
+#elif defined(GL_EXT_texture_object)
+#  define TEXTURE_OBJECT 1
+#  define glBindTexture(A,B)     glBindTextureEXT(A,B)
+#  define glGenTextures(A,B)     glGenTexturesEXT(A,B)
+#  define glDeleteTextures(A,B)  glDeleteTexturesEXT(A,B)
+#endif
+
+void GLTexture_Init(){
+   /* check that renderer has the GL_EXT_texture_object extension
+    * or supports OpenGL 1.1
+    */
+#ifdef TEXTURE_OBJECT
+  char *exten = (char *) glGetString( GL_EXTENSIONS );
+  char *version = (char *) glGetString( GL_VERSION );
+  if (   strstr( exten, "GL_EXT_texture_object" )
+	 || strncmp( version, "1.1", 3 )==0 ) {
+    HaveTexObj = GL_TRUE;
+  }
+#endif
+
+}
+
+
+/******************************************************************************
+ * 
+ * Construct texture with given id 
+ *
+ *****************************************************************************/
+CGLTexture::CGLTexture(int textureId):CTexture(textureId){
+}
+
+/******************************************************************************
+ * 
+ * Destruct texture  
+ *
+ *****************************************************************************/
+
+CGLTexture::~CGLTexture(){
+  
+#ifdef TEXTURE_OBJECT
+  if (loaded())
+    glDeleteTextures( 1, &texObj );
+#endif
+
+}
+
+
+/******************************************************************************
+ * 
+ * Set texturemap to use with texture 
+ *
+ *****************************************************************************/
+
+void CGLTexture::setTextureMap(CTextureMap * textureMap){
+
+  /* generate texture object IDs */
+  if (HaveTexObj) {
+#ifdef TEXTURE_OBJECT
+    glGenTextures( 1, &texObj );
+#endif
+   }
+   else {
+      texObj = glGenLists(1);
+   }
+   /* setup texture object */
+   if (HaveTexObj) {
+#ifdef TEXTURE_OBJECT
+      glBindTexture( GL_TEXTURE_2D, texObj );
+#endif
+   }
+   else {
+      glNewList( texObj, GL_COMPILE );
+   }
+
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+   glTexImage2D( GL_TEXTURE_2D, 0, 4, textureMap->getWidth(),
+                 textureMap->getHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                 textureMap->getData() );
+   if (!HaveTexObj) {
+      glEndList();
+   }
+   /* end of texture object */
+
+  CTexture::setTextureMap(textureMap);
+
+}
+
+
+/******************************************************************************
+ * 
+ * Exec texture
+ *
+ *****************************************************************************/
+
+int CGLTexture::exec(){
+  
+  if (!loaded()) return FALSE;
+
+  if (HaveTexObj) {
+#ifdef TEXTURE_OBJECT
+      glBindTexture( GL_TEXTURE_2D, texObj );
+#endif
+   }
+   else {
+      glCallList( texObj );
+   }
+
+  return TRUE;
+}
+