diff options
Diffstat (limited to 'q3map/gldraw.c')
| -rwxr-xr-x | q3map/gldraw.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/q3map/gldraw.c b/q3map/gldraw.c new file mode 100755 index 0000000..bf2ceba --- /dev/null +++ b/q3map/gldraw.c @@ -0,0 +1,232 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. + +This file is part of Quake III Arena source code. + +Quake III Arena source code 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. + +Quake III Arena source code 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 Foobar; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ +
+#include <windows.h>
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <GL/glaux.h>
+
+#include "qbsp.h"
+
+// can't use the glvertex3fv functions, because the vec3_t fields
+// could be either floats or doubles, depending on DOUBLEVEC_T
+
+qboolean drawflag;
+vec3_t draw_mins, draw_maxs;
+
+
+#define WIN_SIZE 512
+
+void InitWindow (void)
+{
+ auxInitDisplayMode (AUX_SINGLE | AUX_RGB);
+ auxInitPosition (0, 0, WIN_SIZE, WIN_SIZE);
+ auxInitWindow ("qcsg");
+}
+
+void Draw_ClearWindow (void)
+{
+ static int init;
+ int w, h, g;
+ vec_t mx, my;
+
+ if (!drawflag)
+ return;
+
+ if (!init)
+ {
+ init = qtrue;
+ InitWindow ();
+ }
+
+ glClearColor (1,0.8,0.8,0);
+ glClear (GL_COLOR_BUFFER_BIT);
+
+ w = (draw_maxs[0] - draw_mins[0]);
+ h = (draw_maxs[1] - draw_mins[1]);
+
+ mx = draw_mins[0] + w/2;
+ my = draw_mins[1] + h/2;
+
+ g = w > h ? w : h;
+
+ glLoadIdentity ();
+ gluPerspective (90, 1, 2, 16384);
+ gluLookAt (mx, my, draw_maxs[2] + g/2, mx , my, draw_maxs[2], 0, 1, 0);
+
+ glColor3f (0,0,0);
+// glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
+ glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
+ glDisable (GL_DEPTH_TEST);
+ glEnable (GL_BLEND);
+ glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+#if 0
+ glColor4f (1,0,0,0.5);
+ glBegin (GL_POLYGON);
+
+ glVertex3f (0, 500, 0);
+ glVertex3f (0, 900, 0);
+ glVertex3f (0, 900, 100);
+ glVertex3f (0, 500, 100);
+
+ glEnd ();
+#endif
+
+ glFlush ();
+
+}
+
+void Draw_SetRed (void)
+{
+ if (!drawflag)
+ return;
+
+ glColor3f (1,0,0);
+}
+
+void Draw_SetGrey (void)
+{
+ if (!drawflag)
+ return;
+
+ glColor3f (0.5,0.5,0.5);
+}
+
+void Draw_SetBlack (void)
+{
+ if (!drawflag)
+ return;
+
+ glColor3f (0,0,0);
+}
+
+void DrawWinding (winding_t *w)
+{
+ int i;
+
+ if (!drawflag)
+ return;
+
+ glColor4f (0,0,0,0.5);
+ glBegin (GL_LINE_LOOP);
+ for (i=0 ; i<w->numpoints ; i++)
+ glVertex3f (w->p[i][0],w->p[i][1],w->p[i][2] );
+ glEnd ();
+
+ glColor4f (0,1,0,0.3);
+ glBegin (GL_POLYGON);
+ for (i=0 ; i<w->numpoints ; i++)
+ glVertex3f (w->p[i][0],w->p[i][1],w->p[i][2] );
+ glEnd ();
+
+ glFlush ();
+}
+
+void DrawAuxWinding (winding_t *w)
+{
+ int i;
+
+ if (!drawflag)
+ return;
+
+ glColor4f (0,0,0,0.5);
+ glBegin (GL_LINE_LOOP);
+ for (i=0 ; i<w->numpoints ; i++)
+ glVertex3f (w->p[i][0],w->p[i][1],w->p[i][2] );
+ glEnd ();
+
+ glColor4f (1,0,0,0.3);
+ glBegin (GL_POLYGON);
+ for (i=0 ; i<w->numpoints ; i++)
+ glVertex3f (w->p[i][0],w->p[i][1],w->p[i][2] );
+ glEnd ();
+
+ glFlush ();
+}
+
+//============================================================
+
+#define GLSERV_PORT 25001
+
+qboolean wins_init;
+int draw_socket;
+
+void GLS_BeginScene (void)
+{
+ WSADATA winsockdata;
+ WORD wVersionRequested;
+ struct sockaddr_in address;
+ int r;
+
+ if (!wins_init)
+ {
+ wins_init = qtrue;
+
+ wVersionRequested = MAKEWORD(1, 1);
+
+ r = WSAStartup (MAKEWORD(1, 1), &winsockdata);
+
+ if (r)
+ Error ("Winsock initialization failed.");
+
+ }
+
+ // connect a socket to the server
+
+ draw_socket = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP);
+ if (draw_socket == -1)
+ Error ("draw_socket failed");
+
+ address.sin_family = AF_INET;
+ address.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ address.sin_port = GLSERV_PORT;
+ r = connect (draw_socket, (struct sockaddr *)&address, sizeof(address));
+ if (r == -1)
+ {
+ closesocket (draw_socket);
+ draw_socket = 0;
+ }
+}
+
+void GLS_Winding (winding_t *w, int code)
+{
+ byte buf[1024];
+ int i, j;
+
+ if (!draw_socket)
+ return;
+
+ ((int *)buf)[0] = w->numpoints;
+ ((int *)buf)[1] = code;
+ for (i=0 ; i<w->numpoints ; i++)
+ for (j=0 ; j<3 ; j++)
+ ((float *)buf)[2+i*3+j] = w->p[i][j];
+
+ send (draw_socket, buf, w->numpoints*12+8, 0);
+}
+
+void GLS_EndScene (void)
+{
+ closesocket (draw_socket);
+ draw_socket = 0;
+}
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