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-rw-r--r--src/parsec/do_misc.cpp313
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diff --git a/src/parsec/do_misc.cpp b/src/parsec/do_misc.cpp
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+/*
+ * PARSEC - Miscellaneous 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_misc.h"
+
+// local module header
+#include "do_misc.h"
+
+// proprietary module headers
+#include "e_color.h"
+#include "ro_api.h"
+#include "ro_supp.h"
+
+
+// draw square with single color ----------------------------------------------
+//
+int D_DrawSquare( ugrid_t xko, ugrid_t yko, visual_t col, dword siz )
+{
+ // configure rasterizer
+ dword itertype = iter_rgb;
+ dword raststate = rast_chromakeyoff;
+ dword rastmask = rast_mask_zbuffer | rast_mask_texclamp |
+ rast_mask_mipmap | rast_mask_texfilter;
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+
+ // set color
+ colrgba_s colrgba;
+ VisualToRGBA( &colrgba, col );
+ glColor3ub( (GLubyte)colrgba.R, (GLubyte)colrgba.G, (GLubyte)colrgba.B );
+
+ RO_PointSize( (GLfloat)siz );
+
+ GLshort vertices[] = {xko, yko};
+
+ RO_ClientState(VTXARRAY_VERTICES);
+
+ RO_ArrayMakeCurrent(VTXPTRS_NONE, NULL);
+ glVertexPointer(2, GL_SHORT, 0, vertices);
+
+ glDrawArrays(GL_POINTS, 0, 1);
+
+ // set rasterizer state to default
+ RO_DefaultRasterizerState();
+
+ return 1;
+}
+
+
+// draw square of homogeneous color taking the z-buffer into account ----------
+//
+int D_DrawSquareZ( ugrid_t xko, ugrid_t yko, visual_t col, dword siz, dword zvalue )
+{
+ if ( (int)xko < 0 )
+ return 0;
+ if ( (int)yko < 0 )
+ return 0;
+
+ // save zcmp and zwrite state
+ int zcmpstate = RO_DepthCmpEnabled();
+ int zwritestate = RO_DepthWriteEnabled();
+
+ // configure rasterizer
+ dword itertype = iter_rgba | iter_alphablend;
+ dword raststate = rast_zbuffer | rast_chromakeyoff;
+ dword rastmask = rast_mask_texwrap | rast_mask_mipmap |
+ rast_mask_texfilter;
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+
+ // set color
+ colrgba_s colrgba;
+ VisualToRGBA( &colrgba, col );
+ glColor3ub( (GLubyte)colrgba.R, (GLubyte)colrgba.G, (GLubyte)colrgba.B );
+
+ RO_PointSize( siz );
+
+ GLshort vertices[] = {xko, yko, 0}; // TODO: zvalue
+
+ RO_ClientState(VTXARRAY_VERTICES);
+
+ RO_ArrayMakeCurrent(VTXPTRS_NONE, NULL);
+ glVertexPointer(3, GL_SHORT, 0, vertices);
+
+ glDrawArrays(GL_POINTS, 0, 1);
+
+ // set rasterizer state to default
+ RO_DefaultRasterizerState();
+
+ // restore zcmp and zwrite state
+ if ( !zcmpstate || !zwritestate )
+ RO_DisableDepthBuffer( !zcmpstate, !zwritestate );
+
+ return 1;
+}
+
+
+// draw radar object ----------------------------------------------------------
+//
+void D_DrawRadarObj( ugrid_t xko, ugrid_t yko, visual_t col )
+{
+ // configure rasterizer
+ dword itertype = iter_rgb;
+ dword raststate = rast_chromakeyoff;
+ dword rastmask = rast_mask_zbuffer | rast_mask_texclamp |
+ rast_mask_mipmap | rast_mask_texfilter;
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+
+ // set color
+ colrgba_s colrgba;
+ VisualToRGBA( &colrgba, col );
+ glColor3ub( (GLubyte)colrgba.R, (GLubyte)colrgba.G, (GLubyte)colrgba.B );
+
+ RO_PointSize( 2.0f );
+
+ GLshort vertices[] = {xko, yko};
+
+ RO_ClientState(VTXARRAY_VERTICES);
+
+ RO_ArrayMakeCurrent(VTXPTRS_NONE, NULL);
+ glVertexPointer(2, GL_SHORT, 0, vertices);
+
+ glDrawArrays(GL_POINTS, 0, 1);
+
+ // set rasterizer state to default
+ RO_DefaultRasterizerState();
+}
+
+
+// draw horizontal bar --------------------------------------------------------
+//
+void D_DrawHorzBar( ugrid_t xko, ugrid_t yko, visual_t col, dword leng )
+{
+ // configure rasterizer
+ dword itertype = iter_rgb;
+ dword raststate = rast_chromakeyoff;
+ dword rastmask = rast_mask_zbuffer | rast_mask_texclamp |
+ rast_mask_mipmap | rast_mask_texfilter;
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+
+ // set color
+ colrgba_s colrgba;
+ VisualToRGBA( &colrgba, col );
+ glColor3ub( (GLubyte)colrgba.R, (GLubyte)colrgba.G, (GLubyte)colrgba.B );
+
+ GLshort vertices[] = {xko, yko, xko + leng, yko};
+
+ RO_ClientState(VTXARRAY_VERTICES);
+
+ RO_ArrayMakeCurrent(VTXPTRS_NONE, NULL);
+ glVertexPointer(2, GL_SHORT, 0, vertices);
+
+ glDrawArrays(GL_LINES, 0, 2);
+
+ // set rasterizer state to default
+ RO_DefaultRasterizerState();
+}
+
+
+// draw vertical bar ----------------------------------------------------------
+//
+void D_DrawVertBar( ugrid_t xko, ugrid_t yko, visual_t col, dword leng )
+{
+ // configure rasterizer
+ dword itertype = iter_rgb;
+ dword raststate = rast_chromakeyoff;
+ dword rastmask = rast_mask_zbuffer | rast_mask_texclamp |
+ rast_mask_mipmap | rast_mask_texfilter;
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+
+ // set color
+ colrgba_s colrgba;
+ VisualToRGBA( &colrgba, col );
+ glColor3ub( (GLubyte)colrgba.R, (GLubyte)colrgba.G, (GLubyte)colrgba.B );
+
+ GLshort vertices[] = {xko, yko, xko, yko + leng};
+
+ RO_ClientState(VTXARRAY_VERTICES);
+
+ RO_ArrayMakeCurrent(VTXPTRS_NONE, NULL);
+ glVertexPointer(2, GL_SHORT, 0, vertices);
+
+ glDrawArrays(GL_LINES, 0, 2);
+
+ // set rasterizer state to default
+ RO_DefaultRasterizerState();
+}
+
+
+// draw arbitrarily oriented line ---------------------------------------------
+//
+void D_DrawLine( ugrid_t xko1, ugrid_t yko1, ugrid_t xko2, ugrid_t yko2, visual_t col1, visual_t col2, dword mode )
+{
+ // configure rasterizer
+ dword blendtype = ( mode & D_DRAWLINE_STYLE_ANTIALIASED ) ?
+ iter_alphablend : iter_overwrite;
+ dword itertype = iter_rgba | blendtype;
+ dword raststate = rast_chromakeyoff;
+ dword rastmask = rast_mask_zbuffer | rast_mask_texclamp |
+ rast_mask_mipmap | rast_mask_texfilter;
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+
+ // set line antialiasing mode
+ if ( mode & D_DRAWLINE_STYLE_ANTIALIASED )
+ RO_LineSmooth( TRUE );
+
+ colrgba_s colrgba1, colrgba2;
+
+ VisualToRGBA( &colrgba1, col1 );
+ VisualToRGBA( &colrgba2, col2 );
+
+ GLshort vertices[] = {xko1, yko1, xko2, yko2};
+ GLubyte colors[] = {colrgba1.R, colrgba1.G, colrgba2.B, colrgba2.R, colrgba2.G, colrgba2.B};
+
+ RO_ClientState(VTXARRAY_VERTICES | VTXARRAY_COLORS);
+
+ RO_ArrayMakeCurrent(VTXPTRS_NONE, NULL);
+ glVertexPointer(2, GL_SHORT, 0, vertices);
+ glColorPointer(4, GL_UNSIGNED_BYTE, 0, colors);
+
+ glDrawArrays(GL_LINES, 0, 2);
+
+
+ // set rasterizer state to default
+ if ( mode & D_DRAWLINE_STYLE_ANTIALIASED )
+ RO_LineSmooth( FALSE );
+ RO_DefaultRasterizerState();
+}
+
+
+// draw line strip (draws numvtxs - 1 lines) ----------------------------------
+//
+void D_DrawLineStrip( ugrid_t *vtxs, dword numvtxs, visual_t col, dword mode )
+{
+ ASSERT( vtxs != NULL );
+ ASSERT( numvtxs > 1 );
+
+ // configure rasterizer
+ dword blendtype = ( mode & D_DRAWLINE_STYLE_ANTIALIASED ) ?
+ iter_alphablend : iter_overwrite;
+ dword itertype = iter_rgba | blendtype;
+ dword raststate = rast_chromakeyoff;
+ dword rastmask = rast_mask_zbuffer | rast_mask_texclamp |
+ rast_mask_mipmap | rast_mask_texfilter;
+ RO_InitRasterizerState( itertype, raststate, rastmask );
+
+ // set color
+ colrgba_s colrgba;
+ VisualToRGBA( &colrgba, col );
+ glColor3ub( (GLubyte)colrgba.R, (GLubyte)colrgba.G, (GLubyte)colrgba.B );
+
+ // set line antialiasing mode
+ if ( mode & D_DRAWLINE_STYLE_ANTIALIASED )
+ RO_LineSmooth( TRUE );
+
+ // draw line strip/loop
+ GLenum glmode = ( mode & D_DRAWLINE_STYLE_CLOSE_STRIP ) ?
+ GL_LINE_LOOP : GL_LINE_STRIP;
+
+ RO_ClientState(VTXARRAY_VERTICES);
+
+ RO_ArrayMakeCurrent(VTXPTRS_NONE, NULL);
+ glVertexPointer(2, GL_SHORT, 0, vtxs);
+
+ glDrawArrays(glmode, 0, numvtxs);
+
+
+ // set rasterizer state to default
+ if ( mode & D_DRAWLINE_STYLE_ANTIALIASED )
+ RO_LineSmooth( FALSE );
+ RO_DefaultRasterizerState();
+}
+
+
+
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