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+/*
+ * Misc.java
+ * Copyright (C) 2003
+ *
+ * $Id: Misc.java,v 1.2 2006-11-21 00:50:46 cawe Exp $
+ */
+/*
+Copyright (C) 1997-2001 Id Software, Inc.
+
+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.
+
+*/
+package jake2.render.fast;
+
+import jake2.Defines;
+import jake2.client.VID;
+import jake2.qcommon.FS;
+import jake2.util.Lib;
+
+import java.io.*;
+import java.nio.FloatBuffer;
+import java.nio.MappedByteBuffer;
+import java.nio.channels.FileChannel;
+
+/**
+ * Misc
+ *
+ * @author cwei
+ */
+public final class Misc extends Mesh {
+
+ /*
+ ==================
+ R_InitParticleTexture
+ ==================
+ */
+ byte[][] dottexture =
+ {
+ {0,0,0,0,0,0,0,0},
+ {0,0,1,1,0,0,0,0},
+ {0,1,1,1,1,0,0,0},
+ {0,1,1,1,1,0,0,0},
+ {0,0,1,1,0,0,0,0},
+ {0,0,0,0,0,0,0,0},
+ {0,0,0,0,0,0,0,0},
+ {0,0,0,0,0,0,0,0},
+ };
+
+ void R_InitParticleTexture()
+ {
+ int x,y;
+ byte[] data = new byte[8 * 8 * 4];
+
+ //
+ // particle texture
+ //
+ for (x=0 ; x<8 ; x++)
+ {
+ for (y=0 ; y<8 ; y++)
+ {
+ data[y * 32 + x * 4 + 0] = (byte)255;
+ data[y * 32 + x * 4 + 1] = (byte)255;
+ data[y * 32 + x * 4 + 2] = (byte)255;
+ data[y * 32 + x * 4 + 3] = (byte)(dottexture[x][y]*255);
+
+ }
+ }
+ r_particletexture = GL_LoadPic("***particle***", data, 8, 8, it_sprite, 32);
+
+ //
+ // also use this for bad textures, but without alpha
+ //
+ for (x=0 ; x<8 ; x++)
+ {
+ for (y=0 ; y<8 ; y++)
+ {
+ data[y * 32 + x * 4 + 0] = (byte)(dottexture[x&3][y&3]*255);
+ data[y * 32 + x * 4 + 1] = 0; // dottexture[x&3][y&3]*255;
+ data[y * 32 + x * 4 + 2] = 0; //dottexture[x&3][y&3]*255;
+ data[y * 32 + x * 4 + 3] = (byte)255;
+ }
+ }
+ r_notexture = GL_LoadPic("***r_notexture***", data, 8, 8, it_wall, 32);
+ }
+
+// /*
+// ==============================================================================
+//
+// SCREEN SHOTS
+//
+// ==============================================================================
+// */
+//
+// typedef struct _TargaHeader {
+// unsigned char id_length, colormap_type, image_type;
+// unsigned short colormap_index, colormap_length;
+// unsigned char colormap_size;
+// unsigned short x_origin, y_origin, width, height;
+// unsigned char pixel_size, attributes;
+// } TargaHeader;
+
+ private final static int TGA_HEADER_SIZE = 18;
+
+ /*
+ ==================
+ GL_ScreenShot_f
+ ==================
+ */
+ void GL_ScreenShot_f() {
+ StringBuffer sb = new StringBuffer(FS.Gamedir() + "/scrshot/jake00.tga");
+ FS.CreatePath(sb.toString());
+ File file = new File(sb.toString());
+ // find a valid file name
+ int i = 0; int offset = sb.length() - 6;
+ while (file.exists() && i++ < 100) {
+ sb.setCharAt(offset, (char) ((i/10) + '0'));
+ sb.setCharAt(offset + 1, (char) ((i%10) + '0'));
+ file = new File(sb.toString());
+ }
+ if (i == 100) {
+ VID.Printf(Defines.PRINT_ALL, "Clean up your screenshots\n");
+ return;
+ }
+
+ try {
+ RandomAccessFile out = new RandomAccessFile(file, "rw");
+ FileChannel ch = out.getChannel();
+ int fileLength = TGA_HEADER_SIZE + vid.width * vid.height * 3;
+ out.setLength(fileLength);
+ MappedByteBuffer image = ch.map(FileChannel.MapMode.READ_WRITE, 0,
+ fileLength);
+
+ // write the TGA header
+ image.put(0, (byte) 0).put(1, (byte) 0);
+ image.put(2, (byte) 2); // uncompressed type
+ image.put(12, (byte) (vid.width & 0xFF)); // vid.width
+ image.put(13, (byte) (vid.width >> 8)); // vid.width
+ image.put(14, (byte) (vid.height & 0xFF)); // vid.height
+ image.put(15, (byte) (vid.height >> 8)); // vid.height
+ image.put(16, (byte) 24); // pixel size
+
+ // go to image data position
+ image.position(TGA_HEADER_SIZE);
+
+
+ // change pixel alignment for reading
+ if (vid.width % 4 != 0) {
+ gl.glPixelStorei(GL_PACK_ALIGNMENT, 1);
+ }
+
+ // OpenGL 1.2+ supports the GL_BGR color format
+ // check the GL_VERSION to use the TARGA BGR order if possible
+ // e.g.: 1.5.2 NVIDIA 66.29
+ if (gl_config.getOpenGLVersion() >= 1.2f) {
+ // read the BGR values into the image buffer
+ gl.glReadPixels(0, 0, vid.width, vid.height, GL_BGR, GL_UNSIGNED_BYTE, image);
+ } else {
+ // read the RGB values into the image buffer
+ gl.glReadPixels(0, 0, vid.width, vid.height, GL_RGB, GL_UNSIGNED_BYTE, image);
+ // flip RGB to BGR
+ byte tmp;
+ for (i = TGA_HEADER_SIZE; i < fileLength; i += 3) {
+ tmp = image.get(i);
+ image.put(i, image.get(i + 2));
+ image.put(i + 2, tmp);
+ }
+ }
+ // reset to default alignment
+ gl.glPixelStorei(GL_PACK_ALIGNMENT, 4);
+ // close the file channel
+ ch.close();
+ } catch (IOException e) {
+ VID.Printf(Defines.PRINT_ALL, e.getMessage() + '\n');
+ }
+
+ VID.Printf(Defines.PRINT_ALL, "Wrote " + file + '\n');
+ }
+
+ /*
+ ** GL_Strings_f
+ */
+ void GL_Strings_f() {
+ VID.Printf(Defines.PRINT_ALL, "GL_VENDOR: " + gl_config.vendor_string + '\n');
+ VID.Printf(Defines.PRINT_ALL, "GL_RENDERER: " + gl_config.renderer_string + '\n');
+ VID.Printf(Defines.PRINT_ALL, "GL_VERSION: " + gl_config.version_string + '\n');
+ VID.Printf(Defines.PRINT_ALL, "GL_EXTENSIONS: " + gl_config.extensions_string + '\n');
+ }
+
+ /*
+ ** GL_SetDefaultState
+ */
+ void GL_SetDefaultState()
+ {
+ gl.glClearColor(1f,0f, 0.5f , 0.5f); // original quake2
+ //gl.gl.glClearColor(0, 0, 0, 0); // replaced with black
+ gl.glCullFace(GL_FRONT);
+ gl.glEnable(GL_TEXTURE_2D);
+
+ gl.glEnable(GL_ALPHA_TEST);
+ gl.glAlphaFunc(GL_GREATER, 0.666f);
+
+ gl.glDisable (GL_DEPTH_TEST);
+ gl.glDisable (GL_CULL_FACE);
+ gl.glDisable (GL_BLEND);
+
+ gl.glColor4f (1,1,1,1);
+
+ gl.glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
+ gl.glShadeModel (GL_FLAT);
+
+ GL_TextureMode( gl_texturemode.string );
+ GL_TextureAlphaMode( gl_texturealphamode.string );
+ GL_TextureSolidMode( gl_texturesolidmode.string );
+
+ gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
+ gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max);
+
+ gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+ gl.glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ GL_TexEnv( GL_REPLACE );
+
+ if ( qglPointParameterfEXT )
+ {
+ // float[] attenuations = { gl_particle_att_a.value, gl_particle_att_b.value, gl_particle_att_c.value };
+ FloatBuffer att_buffer=Lib.newFloatBuffer(4);
+ att_buffer.put(0,gl_particle_att_a.value);
+ att_buffer.put(1,gl_particle_att_b.value);
+ att_buffer.put(2,gl_particle_att_c.value);
+
+ gl.glEnable( GL_POINT_SMOOTH );
+ gl.glPointParameterfEXT(GL_POINT_SIZE_MIN_EXT, gl_particle_min_size.value );
+ gl.glPointParameterfEXT(GL_POINT_SIZE_MAX_EXT, gl_particle_max_size.value );
+ gl.glPointParameterEXT(GL_DISTANCE_ATTENUATION_EXT, att_buffer );
+ }
+
+ if ( qglColorTableEXT && gl_ext_palettedtexture.value != 0.0f )
+ {
+ gl.glEnable(GL_SHARED_TEXTURE_PALETTE_EXT );
+
+ GL_SetTexturePalette( d_8to24table );
+ }
+
+ GL_UpdateSwapInterval();
+
+ /*
+ * vertex array extension
+ */
+ gl.glEnableClientState(GL_VERTEX_ARRAY);
+ gl.glClientActiveTextureARB(TEXTURE0);
+ gl.glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+ }
+
+ void GL_UpdateSwapInterval()
+ {
+ if ( gl_swapinterval.modified )
+ {
+ gl_swapinterval.modified = false;
+ if ( !gl_state.stereo_enabled )
+ {
+ if (qwglSwapIntervalEXT) {
+ // ((WGL)gl).wgl.glSwapIntervalEXT((int)gl_swapinterval.value);
+ }
+ }
+ }
+ }
+}
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