/* * Draw.java * Copyright (C) 2003 * * $Id: Draw.java,v 1.2.8.2 2005-07-16 18:22:37 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.lwjgl; import jake2.Defines; import jake2.client.VID; import jake2.qcommon.Com; import jake2.render.image_t; import jake2.util.Lib; import java.awt.Dimension; import java.nio.ByteBuffer; import java.nio.IntBuffer; /** * Draw * (gl_draw.c) * * @author cwei */ public abstract class Draw extends Image { /* =============== Draw_InitLocal =============== */ void Draw_InitLocal() { // load console characters (don't bilerp characters) draw_chars = GL_FindImage("pics/conchars.pcx", it_pic); GL_Bind(draw_chars.texnum); gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); } /* ================ Draw_Char Draws one 8*8 graphics character with 0 being transparent. It can be clipped to the top of the screen to allow the console to be smoothly scrolled off. ================ */ protected void Draw_Char(int x, int y, int num) { num &= 255; if ( (num&127) == 32 ) return; // space if (y <= -8) return; // totally off screen int row = num>>4; int col = num&15; float frow = row*0.0625f; float fcol = col*0.0625f; float size = 0.0625f; GL_Bind(draw_chars.texnum); gl.glBegin (GL_QUADS); gl.glTexCoord2f (fcol, frow); gl.glVertex2f (x, y); gl.glTexCoord2f (fcol + size, frow); gl.glVertex2f (x+8, y); gl.glTexCoord2f (fcol + size, frow + size); gl.glVertex2f (x+8, y+8); gl.glTexCoord2f (fcol, frow + size); gl.glVertex2f (x, y+8); gl.glEnd (); } /* ============= Draw_FindPic ============= */ protected image_t Draw_FindPic(String name) { image_t image = null; String fullname; if (!name.startsWith("/") && !name.startsWith("\\")) { fullname = "pics/" + name + ".pcx"; image = GL_FindImage(fullname, it_pic); } else { image = GL_FindImage(name.substring(1), it_pic); } return image; } /* ============= Draw_GetPicSize ============= */ protected void Draw_GetPicSize(Dimension dim, String pic) { image_t image = Draw_FindPic(pic); dim.width = (image != null) ? image.width : -1; dim.height = (image != null) ? image.height : -1; } /* ============= Draw_StretchPic ============= */ protected void Draw_StretchPic (int x, int y, int w, int h, String pic) { image_t image; image = Draw_FindPic(pic); if (image == null) { VID.Printf (Defines.PRINT_ALL, "Can't find pic: " + pic +'\n'); return; } if (scrap_dirty) Scrap_Upload(); if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( (gl_config.renderer & GL_RENDERER_RENDITION) != 0) ) && !image.has_alpha) gl.glDisable(GL_ALPHA_TEST); GL_Bind(image.texnum); gl.glBegin (GL_QUADS); gl.glTexCoord2f (image.sl, image.tl); gl.glVertex2f (x, y); gl.glTexCoord2f (image.sh, image.tl); gl.glVertex2f (x+w, y); gl.glTexCoord2f (image.sh, image.th); gl.glVertex2f (x+w, y+h); gl.glTexCoord2f (image.sl, image.th); gl.glVertex2f (x, y+h); gl.glEnd (); if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( (gl_config.renderer & GL_RENDERER_RENDITION) !=0 ) ) && !image.has_alpha) gl.glEnable(GL_ALPHA_TEST); } /* ============= Draw_Pic ============= */ protected void Draw_Pic(int x, int y, String pic) { image_t image; image = Draw_FindPic(pic); if (image == null) { VID.Printf(Defines.PRINT_ALL, "Can't find pic: " +pic + '\n'); return; } if (scrap_dirty) Scrap_Upload(); if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( (gl_config.renderer & GL_RENDERER_RENDITION) != 0 ) ) && !image.has_alpha) gl.glDisable (GL_ALPHA_TEST); GL_Bind(image.texnum); gl.glBegin (GL_QUADS); gl.glTexCoord2f (image.sl, image.tl); gl.glVertex2f (x, y); gl.glTexCoord2f (image.sh, image.tl); gl.glVertex2f (x+image.width, y); gl.glTexCoord2f (image.sh, image.th); gl.glVertex2f (x+image.width, y+image.height); gl.glTexCoord2f (image.sl, image.th); gl.glVertex2f (x, y+image.height); gl.glEnd (); if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( (gl_config.renderer & GL_RENDERER_RENDITION) != 0 ) ) && !image.has_alpha) gl.glEnable (GL_ALPHA_TEST); } /* ============= Draw_TileClear This repeats a 64*64 tile graphic to fill the screen around a sized down refresh window. ============= */ protected void Draw_TileClear(int x, int y, int w, int h, String pic) { image_t image; image = Draw_FindPic(pic); if (image == null) { VID.Printf(Defines.PRINT_ALL, "Can't find pic: " + pic + '\n'); return; } if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( (gl_config.renderer & GL_RENDERER_RENDITION) != 0 ) ) && !image.has_alpha) gl.glDisable(GL_ALPHA_TEST); GL_Bind(image.texnum); gl.glBegin (GL_QUADS); gl.glTexCoord2f(x/64.0f, y/64.0f); gl.glVertex2f (x, y); gl.glTexCoord2f( (x+w)/64.0f, y/64.0f); gl.glVertex2f(x+w, y); gl.glTexCoord2f( (x+w)/64.0f, (y+h)/64.0f); gl.glVertex2f(x+w, y+h); gl.glTexCoord2f( x/64.0f, (y+h)/64.0f ); gl.glVertex2f (x, y+h); gl.glEnd (); if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( (gl_config.renderer & GL_RENDERER_RENDITION) != 0 ) ) && !image.has_alpha) gl.glEnable(GL_ALPHA_TEST); } /* ============= Draw_Fill Fills a box of pixels with a single color ============= */ protected void Draw_Fill(int x, int y, int w, int h, int colorIndex) { if ( colorIndex > 255) Com.Error(Defines.ERR_FATAL, "Draw_Fill: bad color"); gl.glDisable(GL_TEXTURE_2D); int color = d_8to24table[colorIndex]; gl.glColor3ub( (byte)((color >> 0) & 0xff), // r (byte)((color >> 8) & 0xff), // g (byte)((color >> 16) & 0xff) // b ); gl.glBegin (GL_QUADS); gl.glVertex2f(x,y); gl.glVertex2f(x+w, y); gl.glVertex2f(x+w, y+h); gl.glVertex2f(x, y+h); gl.glEnd(); gl.glColor3f(1,1,1); gl.glEnable(GL_TEXTURE_2D); } //============================================================================= /* ================ Draw_FadeScreen ================ */ protected void Draw_FadeScreen() { gl.glEnable(GL_BLEND); gl.glDisable(GL_TEXTURE_2D); gl.glColor4f(0, 0, 0, 0.8f); gl.glBegin(GL_QUADS); gl.glVertex2f(0,0); gl.glVertex2f(vid.width, 0); gl.glVertex2f(vid.width, vid.height); gl.glVertex2f(0, vid.height); gl.glEnd(); gl.glColor4f(1,1,1,1); gl.glEnable(GL_TEXTURE_2D); gl.glDisable(GL_BLEND); } // ==================================================================== IntBuffer image32=Lib.newIntBuffer(256*256); ByteBuffer image8=Lib.newByteBuffer(256*256); /* ============= Draw_StretchRaw ============= */ protected void Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, byte[] data) { int i, j, trows; int sourceIndex; int frac, fracstep; float hscale; int row; float t; GL_Bind(0); if (rows<=256) { hscale = 1; trows = rows; } else { hscale = rows/256.0f; trows = 256; } t = rows*hscale / 256; if ( !qglColorTableEXT ) { //int[] image32 = new int[256*256]; image32.clear(); int destIndex = 0; for (i=0 ; i rows) break; sourceIndex = cols*row; destIndex = i*256; fracstep = cols*0x10000/256; frac = fracstep >> 1; for (j=0 ; j<256 ; j++) { image32.put(destIndex + j, r_rawpalette[data[sourceIndex + (frac>>16)] & 0xff]); frac += fracstep; } } gl.glTexImage2D (GL_TEXTURE_2D, 0, gl_tex_solid_format, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, image32); } else { //byte[] image8 = new byte[256*256]; image8.clear(); int destIndex = 0;; for (i=0 ; i rows) break; sourceIndex = cols*row; destIndex = i*256; fracstep = cols*0x10000/256; frac = fracstep >> 1; for (j=0 ; j<256 ; j++) { image8.put(destIndex + j, data[sourceIndex + (frac>>16)]); frac += fracstep; } } gl.glTexImage2D( GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, 256, 256, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, image8 ); } gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); if ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( (gl_config.renderer & GL_RENDERER_RENDITION) != 0 ) ) gl.glDisable (GL_ALPHA_TEST); gl.glBegin (GL_QUADS); gl.glTexCoord2f (0, 0); gl.glVertex2f (x, y); gl.glTexCoord2f (1, 0); gl.glVertex2f (x+w, y); gl.glTexCoord2f (1, t); gl.glVertex2f (x+w, y+h); gl.glTexCoord2f (0, t); gl.glVertex2f (x, y+h); gl.glEnd (); if ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( (gl_config.renderer & GL_RENDERER_RENDITION) != 0 ) ) gl.glEnable (GL_ALPHA_TEST); } }