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+/*
+ * Draw.java
+ * Copyright (C) 2003
+ *
+ * $Id: Draw.java,v 1.1.2.1 2005-11-14 23:57:19 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.basic;
+
+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.
+ ================
+ */
+ public 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
+ =============
+ */
+ public 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
+ =============
+ */
+ public 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
+ =============
+ */
+ public 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
+ =============
+ */
+ public 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.
+ =============
+ */
+ public 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
+ =============
+ */
+ public 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
+ ================
+ */
+ public 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
+ =============
+ */
+ public 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 )
+ {
+ image32.clear();
+ int destIndex = 0;
+
+ for (i=0 ; i<trows ; i++)
+ {
+ row = (int)(i*hscale);
+ if (row > 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
+ {
+ image8.clear();
+ int destIndex = 0;;
+
+ for (i=0 ; i<trows ; i++)
+ {
+ row = (int)(i*hscale);
+ if (row > 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);
+ }
+
+}
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