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-rw-r--r--src/parsec/do_bmap.cpp331
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diff --git a/src/parsec/do_bmap.cpp b/src/parsec/do_bmap.cpp
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+/*
+ * PARSEC - Bitmap Drawing Code
+ *
+ * $Author: uberlinuxguy $ - $Date: 2004/09/15 12:25:22 $
+ *
+ * Orginally written by:
+ * Copyright (c) Markus Hadwiger <msh@parsec.org> 1999
+ *
+ * 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
+ */
+
+// C library
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// compilation flags/debug support
+#include "config.h"
+#include "debug.h"
+
+// general definitions
+#include "general.h"
+#include "objstruc.h"
+
+// global externals
+#include "globals.h"
+
+// subsystem headers
+#include "vid_defs.h"
+
+// drawing subsystem
+#include "d_bmap.h"
+
+// subsystem linkage info
+#include "linkinfo.h"
+
+// local module header
+#include "do_bmap.h"
+
+// proprietary module headers
+#include "con_aux.h"
+#include "ro_api.h"
+#include "ro_supp.h"
+
+
+//char* GlobalColXlat;
+//char* BrightxMap;
+
+
+// put bitmap without clipping; check transparency ----------------------------
+//
+void D_PutTrBitmap( char *bitmap, dword width, dword height, ugrid_t putx, ugrid_t puty )
+{
+ ASSERT( bitmap != NULL );
+
+ GLTexInfo texinfo;
+ texinfo.texmap = NULL;
+ texinfo.data = bitmap;
+ texinfo.width = width;
+ texinfo.height = height;
+ texinfo.format = TEXFMT_RGBA_8888;
+
+ // ensure filtering is turned off
+ int filtmode = AUX_DISABLE_POLYGON_FILTERING;
+ AUX_DISABLE_POLYGON_FILTERING = 1;
+
+ // this also fills in texinfo.coscale
+ RO_SelectTexelSource2( &texinfo );
+
+ // restore filter state
+ AUX_DISABLE_POLYGON_FILTERING = filtmode;
+
+ // configure rasterizer
+ dword itertype = iter_texonly | iter_alphablend;
+ dword raststate = rast_nozbuffer | rast_chromakeyon | rast_mask_texwrap;
+ dword rastmask = rast_nomask;
+
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+ RO_TextureCombineState( texcomb_decal );
+
+ // draw rectangle (z=none, color=none)
+ RO_Render2DRectangle( putx, puty,
+ width * texinfo.coscale, height * texinfo.coscale,
+ width, height, 0, NULL );
+
+ // set rasterizer state to default
+ RO_DefaultRasterizerState();
+}
+
+
+// put bitmap without clipping; check transparency; use color map -------------
+//
+void D_PutTrMapBitmap( char *bitmap, char *maps, dword width, dword height, ugrid_t putx, ugrid_t puty, dword color )
+{
+ //TODO:
+}
+
+
+// put bitmap and clip against screen extents ---------------------------------
+//
+void D_PutClipBitmap( char *bitmap, dword width, dword height, sgrid_t putx, sgrid_t puty )
+{
+ ASSERT( bitmap != NULL );
+
+ dword dstw = width;
+ dword dsth = height;
+
+ //FIXME:
+/*
+ for ( int bindx = 0; ; bindx++ )
+ if ( BitmapInfo[ bindx ].bitmappointer == bitmap )
+ break;
+
+ if ( bindx == BM_BIGPLANET1 ) {
+ bindx = BM_MEDPLANET1;
+ width /= 2;
+ height /= 2;
+ }
+
+ bitmap = BitmapInfo[ bindx ].loadeddata;
+*/
+ GLTexInfo texinfo;
+ texinfo.texmap = NULL;
+ texinfo.data = bitmap;
+ texinfo.width = width;
+ texinfo.height = height;
+ texinfo.format = TEXFMT_RGBA_8888;
+
+ // this also fills in texinfo.coscale
+ RO_SelectTexelSource2( &texinfo );
+
+ // configure rasterizer
+ dword itertype = iter_texonly | iter_overwrite;
+ dword raststate = rast_chromakeyoff | rast_mask_texwrap;
+ dword rastmask = rast_mask_zbuffer;
+
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+ RO_TextureCombineState( texcomb_decal );
+
+ // draw rectangle (z=none, color=none)
+ RO_Render2DRectangle( putx, puty,
+ width * texinfo.coscale, height * texinfo.coscale,
+ dstw, dsth, 0, NULL );
+
+ // set rasterizer state to default
+ RO_DefaultRasterizerState();
+}
+
+
+// put transparent bitmap and clip against screen extents ---------------------
+//
+void D_PutTrClipBitmap( char *bitmap, dword width, dword height, sgrid_t putx, sgrid_t puty )
+{
+ ASSERT( bitmap != NULL );
+
+ GLTexInfo texinfo;
+ texinfo.texmap = NULL;
+ texinfo.data = bitmap;
+ texinfo.width = width;
+ texinfo.height = height;
+ texinfo.format = TEXFMT_RGBA_8888;
+
+ // this also fills in texinfo.coscale
+ RO_SelectTexelSource2( &texinfo );
+
+ // configure rasterizer
+ dword itertype = iter_texonly | iter_alphablend;
+ dword raststate = rast_nozbuffer | rast_chromakeyon | rast_mask_texwrap;
+ dword rastmask = rast_nomask;
+
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+ RO_TextureCombineState( texcomb_decal );
+
+ // draw rectangle (z=none, color=none)
+ RO_Render2DRectangle( putx, puty,
+ width * texinfo.coscale, height * texinfo.coscale,
+ width, height, 0, NULL );
+
+ // set rasterizer state to default
+ RO_DefaultRasterizerState();
+}
+
+
+// ----------------------------------------------------------------------------
+//
+static int no_depth_buffer = 0;
+
+
+// put clipped and scaled transparent bitmap (check/alter z-buffer) -----------
+//
+void D_PutSTCBitmapZ( char *bitmap, dword srcw, dword srch, dword dstw, dword dsth, sgrid_t putx, sgrid_t puty, dword zvalue )
+{
+ ASSERT( bitmap != NULL );
+
+ // vertical culling
+ if ( puty + (int)dsth <= 0 )
+ return;
+ if ( puty >= Screen_Height )
+ return;
+
+ // horizontal culling
+ if ( putx + (int)dstw <= 0 )
+ return;
+ if ( putx >= Screen_Width )
+ return;
+
+// --
+
+ GLTexInfo texinfo;
+ texinfo.texmap = NULL;
+ texinfo.data = bitmap;
+ texinfo.width = srcw;
+ texinfo.height = srch;
+ texinfo.format = TEXFMT_RGBA_8888;
+
+ // this also fills in texinfo.coscale
+ RO_SelectTexelSource2( &texinfo );
+
+ // save zcmp and zwrite state
+ int zcmpstate = RO_DepthCmpEnabled();
+ int zwritestate = RO_DepthWriteEnabled();
+
+ // determine if depth buffer should be turned on
+ dword rastzctrl = no_depth_buffer ? rast_nozbuffer : rast_zbuffer;
+
+ // configure rasterizer
+ dword itertype = iter_texconsta | iter_overwrite; // iter_alphablend;
+ dword raststate = rastzctrl | rast_chromakeyon | rast_mask_texwrap;
+ dword rastmask = rast_nomask;
+
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+ RO_TextureCombineState( texcomb_decal );
+
+ // set constant (rgba)
+ if ( bitmap == BitmapInfo[ BM_LIGHTNING1 ].bitmappointer ) {
+ glColor4ub( 0xff, 0xff, 0xff, 0xff );
+ } else if ( bitmap == BitmapInfo[ BM_SHIELD1 ].bitmappointer ) {
+ glColor4ub( 0xff, 0xff, 0xff, 0xe8 );
+ } else if ( bitmap == BitmapInfo[ BM_SHIELD2 ].bitmappointer ) {
+ glColor4ub( 0xff, 0xff, 0xff, 0xe8 );
+ } else if ( bitmap == BitmapInfo[ BM_FIREBALL3 ].bitmappointer ) {
+ glColor4ub( 0xff, 0xff, 0xff, 0xc0 );
+ } else {
+ glColor4ub( 0xff, 0xff, 0xff, 0x90 );
+ }
+
+ RO_AlphaFunc( GL_GREATER, 0.0f );
+ RO_AlphaTest( TRUE );
+
+ // draw rectangle (z=zvalue, color=none)
+ RO_Render2DRectangle( putx, puty,
+ srcw * texinfo.coscale, srch * texinfo.coscale,
+ dstw, dsth, zvalue, NULL );
+
+ RO_AlphaTest( FALSE );
+
+ // set rasterizer state to default
+ RO_DefaultRasterizerState();
+
+ // restore zcmp and zwrite state
+ if ( no_depth_buffer ) {
+ if ( zcmpstate || zwritestate )
+ RO_EnableDepthBuffer( zcmpstate, zwritestate );
+ } else {
+ if ( !zcmpstate || !zwritestate )
+ RO_DisableDepthBuffer( !zcmpstate, !zwritestate );
+ }
+}
+
+
+// put clipped and scaled transparent bitmap ----------------------------------
+//
+void D_PutSTCBitmap( char *bitmap, dword srcw, dword srch, dword dstw, dword dsth, sgrid_t putx, sgrid_t puty )
+{
+ no_depth_buffer = 1;
+
+ D_PutSTCBitmapZ( bitmap, srcw, srch, dstw, dsth, putx, puty, 0 );
+
+ no_depth_buffer = 0;
+}
+
+
+// draw translucent rectangle -------------------------------------------------
+//
+void D_DrawTrRect( ugrid_t putx, ugrid_t puty, dword width, dword height, dword brightx )
+{
+ // configure rasterizer
+ dword itertype = iter_rgba | iter_alphablend;
+ dword raststate = rast_chromakeyoff;
+ dword rastmask = rast_mask_zbuffer | rast_mask_texclamp |
+ rast_mask_mipmap | rast_mask_texfilter;
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+
+ //NOTE:
+ // parameter brightx is not used anymore. instead, the
+ // global PanelBackColor determines RGBA.
+
+ glColor4ub( PanelBackColor.R, PanelBackColor.G, PanelBackColor.B, PanelBackColor.A );
+
+ GLshort vertices[] = {
+ putx, puty,
+ putx, puty + height,
+ putx + width, puty,
+ putx + width, puty + height,
+ };
+
+ RO_ClientState(VTXARRAY_VERTICES);
+
+ RO_ArrayMakeCurrent(VTXPTRS_NONE, NULL);
+ glVertexPointer(2, GL_SHORT, 0, vertices);
+
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+ // set rasterizer state to default
+ RO_DefaultRasterizerState();
+}
+
+
+
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