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-rw-r--r--QW/client/gl_vidlinux_svga.c855
1 files changed, 855 insertions, 0 deletions
diff --git a/QW/client/gl_vidlinux_svga.c b/QW/client/gl_vidlinux_svga.c
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--- /dev/null
+++ b/QW/client/gl_vidlinux_svga.c
@@ -0,0 +1,855 @@
+/*
+Copyright (C) 1996-1997 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.
+
+*/
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/vt.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <signal.h>
+
+#include <asm/io.h>
+
+/*#include "vga.h" */
+#include "vgakeyboard.h"
+#include "vgamouse.h"
+
+#include "quakedef.h"
+#include "GL/fxmesa.h"
+
+#define WARP_WIDTH 320
+#define WARP_HEIGHT 200
+
+static fxMesaContext fc = NULL;
+#define stringify(m) { #m, m }
+
+unsigned short d_8to16table[256];
+unsigned d_8to24table[256];
+unsigned char d_15to8table[65536];
+
+int num_shades=32;
+
+struct
+{
+ char *name;
+ int num;
+} mice[] =
+{
+ stringify(MOUSE_MICROSOFT),
+ stringify(MOUSE_MOUSESYSTEMS),
+ stringify(MOUSE_MMSERIES),
+ stringify(MOUSE_LOGITECH),
+ stringify(MOUSE_BUSMOUSE),
+ stringify(MOUSE_PS2),
+};
+
+static unsigned char scantokey[128];
+
+int num_mice = sizeof (mice) / sizeof(mice[0]);
+
+int d_con_indirect = 0;
+
+int svgalib_inited=0;
+int UseMouse = 1;
+int UseKeyboard = 1;
+
+int mouserate = MOUSE_DEFAULTSAMPLERATE;
+
+cvar_t vid_mode = {"vid_mode","5",false};
+cvar_t vid_redrawfull = {"vid_redrawfull","0",false};
+cvar_t vid_waitforrefresh = {"vid_waitforrefresh","0",true};
+
+char *framebuffer_ptr;
+
+cvar_t mouse_button_commands[3] =
+{
+ {"mouse1","+attack"},
+ {"mouse2","+strafe"},
+ {"mouse3","+forward"},
+};
+
+int mouse_buttons;
+int mouse_buttonstate;
+int mouse_oldbuttonstate;
+float mouse_x, mouse_y;
+float old_mouse_x, old_mouse_y;
+int mx, my;
+
+cvar_t _windowed_mouse = {"_windowed_mouse", "1", true};
+cvar_t m_filter = {"m_filter","0"};
+
+int scr_width, scr_height;
+
+/*-----------------------------------------------------------------------*/
+
+//int texture_mode = GL_NEAREST;
+//int texture_mode = GL_NEAREST_MIPMAP_NEAREST;
+//int texture_mode = GL_NEAREST_MIPMAP_LINEAR;
+int texture_mode = GL_LINEAR;
+//int texture_mode = GL_LINEAR_MIPMAP_NEAREST;
+//int texture_mode = GL_LINEAR_MIPMAP_LINEAR;
+
+int texture_extension_number = 1;
+
+float gldepthmin, gldepthmax;
+
+cvar_t gl_ztrick = {"gl_ztrick","1"};
+
+const char *gl_vendor;
+const char *gl_renderer;
+const char *gl_version;
+const char *gl_extensions;
+
+qboolean is8bit = false;
+qboolean isPermedia = false;
+qboolean gl_mtexable = false;
+
+/*-----------------------------------------------------------------------*/
+void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
+{
+}
+
+void D_EndDirectRect (int x, int y, int width, int height)
+{
+}
+
+/*
+=================
+VID_Gamma_f
+
+Keybinding command
+=================
+*/
+void VID_Gamma_f (void)
+{
+ float gamma, f, inf;
+ unsigned char palette[768];
+ int i;
+
+ if (Cmd_Argc () == 2)
+ {
+ gamma = Q_atof (Cmd_Argv(1));
+
+ for (i=0 ; i<768 ; i++)
+ {
+ f = pow ( (host_basepal[i]+1)/256.0 , gamma );
+ inf = f*255 + 0.5;
+ if (inf < 0)
+ inf = 0;
+ if (inf > 255)
+ inf = 255;
+ palette[i] = inf;
+ }
+
+ VID_SetPalette (palette);
+
+ vid.recalc_refdef = 1; // force a surface cache flush
+ }
+}
+
+int matchmouse(int mouse, char *name)
+{
+ int i;
+ for (i=0 ; i<num_mice ; i++)
+ if (!strcmp(mice[i].name, name))
+ return i;
+ return mouse;
+}
+
+#if 0
+
+void vtswitch(int newconsole)
+{
+
+ int fd;
+ struct vt_stat x;
+
+// switch consoles and wait until reactivated
+ fd = open("/dev/console", O_RDONLY);
+ ioctl(fd, VT_GETSTATE, &x);
+ ioctl(fd, VT_ACTIVATE, newconsole);
+ ioctl(fd, VT_WAITACTIVE, x.v_active);
+ close(fd);
+
+}
+
+#endif
+
+void keyhandler(int scancode, int state)
+{
+
+ int sc;
+
+ sc = scancode & 0x7f;
+// Con_Printf("scancode=%x (%d%s)\n", scancode, sc, scancode&0x80?"+128":"");
+ Key_Event(scantokey[sc], state == KEY_EVENTPRESS);
+
+}
+
+void VID_Shutdown(void)
+{
+ if (!fc)
+ return;
+
+ fxMesaDestroyContext(fc);
+
+ if (UseKeyboard)
+ keyboard_close();
+}
+
+void signal_handler(int sig)
+{
+ printf("Received signal %d, exiting...\n", sig);
+ VID_Shutdown();
+ exit(0);
+}
+
+void InitSig(void)
+{
+ signal(SIGHUP, signal_handler);
+ signal(SIGQUIT, signal_handler);
+ signal(SIGILL, signal_handler);
+ signal(SIGTRAP, signal_handler);
+ signal(SIGIOT, signal_handler);
+ signal(SIGBUS, signal_handler);
+ signal(SIGFPE, signal_handler);
+ signal(SIGSEGV, signal_handler);
+ signal(SIGTERM, signal_handler);
+}
+
+void VID_ShiftPalette(unsigned char *p)
+{
+ VID_SetPalette(p);
+}
+
+void VID_SetPalette (unsigned char *palette)
+{
+ byte *pal;
+ unsigned short r,g,b;
+ int v;
+ int r1,g1,b1;
+ int k;
+ unsigned short i;
+ unsigned *table;
+ FILE *f;
+ char s[255];
+ float dist, bestdist;
+ static qboolean palflag = false;
+
+//
+// 8 8 8 encoding
+//
+ pal = palette;
+ table = d_8to24table;
+ for (i=0 ; i<256 ; i++)
+ {
+ r = pal[0];
+ g = pal[1];
+ b = pal[2];
+ pal += 3;
+
+// v = (255<<24) + (r<<16) + (g<<8) + (b<<0);
+// v = (255<<0) + (r<<8) + (g<<16) + (b<<24);
+ v = (255<<24) + (r<<0) + (g<<8) + (b<<16);
+ *table++ = v;
+ }
+ d_8to24table[255] &= 0xffffff; // 255 is transparent
+
+ // JACK: 3D distance calcs - k is last closest, l is the distance.
+ // FIXME: Precalculate this and cache to disk.
+ if (palflag)
+ return;
+ palflag = true;
+
+ COM_FOpenFile("glquake/15to8.pal", &f);
+ if (f) {
+ fread(d_15to8table, 1<<15, 1, f);
+ fclose(f);
+ } else {
+ for (i=0; i < (1<<15); i++) {
+ /* Maps
+ 000000000000000
+ 000000000011111 = Red = 0x1F
+ 000001111100000 = Blue = 0x03E0
+ 111110000000000 = Grn = 0x7C00
+ */
+ r = ((i & 0x1F) << 3)+4;
+ g = ((i & 0x03E0) >> 2)+4;
+ b = ((i & 0x7C00) >> 7)+4;
+ pal = (unsigned char *)d_8to24table;
+ for (v=0,k=0,bestdist=10000.0; v<256; v++,pal+=4) {
+ r1 = (int)r - (int)pal[0];
+ g1 = (int)g - (int)pal[1];
+ b1 = (int)b - (int)pal[2];
+ dist = sqrt(((r1*r1)+(g1*g1)+(b1*b1)));
+ if (dist < bestdist) {
+ k=v;
+ bestdist = dist;
+ }
+ }
+ d_15to8table[i]=k;
+ }
+ sprintf(s, "%s/glquake", com_gamedir);
+ Sys_mkdir (s);
+ sprintf(s, "%s/glquake/15to8.pal", com_gamedir);
+ if ((f = fopen(s, "wb")) != NULL) {
+ fwrite(d_15to8table, 1<<15, 1, f);
+ fclose(f);
+ }
+ }
+}
+
+/*
+===============
+GL_Init
+===============
+*/
+void GL_Init (void)
+{
+ gl_vendor = glGetString (GL_VENDOR);
+ Con_Printf ("GL_VENDOR: %s\n", gl_vendor);
+ gl_renderer = glGetString (GL_RENDERER);
+ Con_Printf ("GL_RENDERER: %s\n", gl_renderer);
+
+ gl_version = glGetString (GL_VERSION);
+ Con_Printf ("GL_VERSION: %s\n", gl_version);
+ gl_extensions = glGetString (GL_EXTENSIONS);
+ Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions);
+
+// Con_Printf ("%s %s\n", gl_renderer, gl_version);
+
+ glClearColor (1,0,0,0);
+ glCullFace(GL_FRONT);
+ glEnable(GL_TEXTURE_2D);
+
+ glEnable(GL_ALPHA_TEST);
+ glAlphaFunc(GL_GREATER, 0.666);
+
+ glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
+ glShadeModel (GL_FLAT);
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+ glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+// glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+}
+
+/*
+=================
+GL_BeginRendering
+
+=================
+*/
+void GL_BeginRendering (int *x, int *y, int *width, int *height)
+{
+ extern cvar_t gl_clear;
+
+ *x = *y = 0;
+ *width = scr_width;
+ *height = scr_height;
+
+// if (!wglMakeCurrent( maindc, baseRC ))
+// Sys_Error ("wglMakeCurrent failed");
+
+// glViewport (*x, *y, *width, *height);
+}
+
+
+void GL_EndRendering (void)
+{
+ glFlush();
+ fxMesaSwapBuffers();
+}
+
+void Init_KBD(void)
+{
+ int i;
+
+ if (COM_CheckParm("-nokbd")) UseKeyboard = 0;
+
+ if (UseKeyboard)
+ {
+ for (i=0 ; i<128 ; i++)
+ scantokey[i] = ' ';
+
+ scantokey[ 1] = K_ESCAPE;
+ scantokey[ 2] = '1';
+ scantokey[ 3] = '2';
+ scantokey[ 4] = '3';
+ scantokey[ 5] = '4';
+ scantokey[ 6] = '5';
+ scantokey[ 7] = '6';
+ scantokey[ 8] = '7';
+ scantokey[ 9] = '8';
+ scantokey[ 10] = '9';
+ scantokey[ 11] = '0';
+ scantokey[ 12] = '-';
+ scantokey[ 13] = '=';
+ scantokey[ 14] = K_BACKSPACE;
+ scantokey[ 15] = K_TAB;
+ scantokey[ 16] = 'q';
+ scantokey[ 17] = 'w';
+ scantokey[ 18] = 'e';
+ scantokey[ 19] = 'r';
+ scantokey[ 20] = 't';
+ scantokey[ 21] = 'y';
+ scantokey[ 22] = 'u';
+ scantokey[ 23] = 'i';
+ scantokey[ 24] = 'o';
+ scantokey[ 25] = 'p';
+ scantokey[ 26] = '[';
+ scantokey[ 27] = ']';
+ scantokey[ 28] = K_ENTER;
+ scantokey[ 29] = K_CTRL; //left
+ scantokey[ 30] = 'a';
+ scantokey[ 31] = 's';
+ scantokey[ 32] = 'd';
+ scantokey[ 33] = 'f';
+ scantokey[ 34] = 'g';
+ scantokey[ 35] = 'h';
+ scantokey[ 36] = 'j';
+ scantokey[ 37] = 'k';
+ scantokey[ 38] = 'l';
+ scantokey[ 39] = ';';
+ scantokey[ 40] = '\'';
+ scantokey[ 41] = '`';
+ scantokey[ 42] = K_SHIFT; //left
+ scantokey[ 43] = '\\';
+ scantokey[ 44] = 'z';
+ scantokey[ 45] = 'x';
+ scantokey[ 46] = 'c';
+ scantokey[ 47] = 'v';
+ scantokey[ 48] = 'b';
+ scantokey[ 49] = 'n';
+ scantokey[ 50] = 'm';
+ scantokey[ 51] = ',';
+ scantokey[ 52] = '.';
+ scantokey[ 53] = '/';
+ scantokey[ 54] = K_SHIFT; //right
+ scantokey[ 55] = '*'; //keypad
+ scantokey[ 56] = K_ALT; //left
+ scantokey[ 57] = ' ';
+ // 58 caps lock
+ scantokey[ 59] = K_F1;
+ scantokey[ 60] = K_F2;
+ scantokey[ 61] = K_F3;
+ scantokey[ 62] = K_F4;
+ scantokey[ 63] = K_F5;
+ scantokey[ 64] = K_F6;
+ scantokey[ 65] = K_F7;
+ scantokey[ 66] = K_F8;
+ scantokey[ 67] = K_F9;
+ scantokey[ 68] = K_F10;
+ // 69 numlock
+ // 70 scrollock
+ scantokey[ 71] = K_HOME;
+ scantokey[ 72] = K_UPARROW;
+ scantokey[ 73] = K_PGUP;
+ scantokey[ 74] = '-';
+ scantokey[ 75] = K_LEFTARROW;
+ scantokey[ 76] = '5';
+ scantokey[ 77] = K_RIGHTARROW;
+ scantokey[ 79] = K_END;
+ scantokey[ 78] = '+';
+ scantokey[ 80] = K_DOWNARROW;
+ scantokey[ 81] = K_PGDN;
+ scantokey[ 82] = K_INS;
+ scantokey[ 83] = K_DEL;
+ // 84 to 86 not used
+ scantokey[ 87] = K_F11;
+ scantokey[ 88] = K_F12;
+ // 89 to 95 not used
+ scantokey[ 96] = K_ENTER; //keypad enter
+ scantokey[ 97] = K_CTRL; //right
+ scantokey[ 98] = '/';
+ scantokey[ 99] = K_F12; // print screen, bind to screenshot by default
+ scantokey[100] = K_ALT; // right
+
+
+ scantokey[101] = K_PAUSE; // break
+ scantokey[102] = K_HOME;
+ scantokey[103] = K_UPARROW;
+ scantokey[104] = K_PGUP;
+ scantokey[105] = K_LEFTARROW;
+ scantokey[106] = K_RIGHTARROW;
+ scantokey[107] = K_END;
+ scantokey[108] = K_DOWNARROW;
+ scantokey[109] = K_PGDN;
+ scantokey[110] = K_INS;
+ scantokey[111] = K_DEL;
+
+ scantokey[119] = K_PAUSE;
+
+ if (keyboard_init())
+ Sys_Error("keyboard_init() failed");
+ keyboard_seteventhandler(keyhandler);
+ }
+}
+
+#define NUM_RESOLUTIONS 3
+
+static resolutions[NUM_RESOLUTIONS][3]={
+ { 512, 384, GR_RESOLUTION_512x384 },
+ { 640, 400, GR_RESOLUTION_640x400 },
+ { 640, 480, GR_RESOLUTION_640x480 }
+};
+
+int findres(int *width, int *height)
+{
+ int i;
+
+ for(i=0;i<NUM_RESOLUTIONS;i++)
+ if((*width<=resolutions[i][0]) && (*height<=resolutions[i][1])) {
+ *width = resolutions[i][0];
+ *height = resolutions[i][1];
+ return resolutions[i][2];
+ }
+
+ *width = 640;
+ *height = 480;
+ return GR_RESOLUTION_640x480;
+}
+
+qboolean VID_Is8bit(void)
+{
+ return is8bit;
+}
+
+#ifdef GL_EXT_SHARED
+void VID_Init8bitPalette()
+{
+ // Check for 8bit Extensions and initialize them.
+ int i;
+ char thePalette[256*3];
+ char *oldPalette, *newPalette;
+
+ if (strstr(gl_extensions, "GL_EXT_shared_texture_palette") == NULL)
+ return;
+
+ Con_SafePrintf("8-bit GL extensions enabled.\n");
+ glEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
+ oldPalette = (char *) d_8to24table; //d_8to24table3dfx;
+ newPalette = thePalette;
+ for (i=0;i<256;i++) {
+ *newPalette++ = *oldPalette++;
+ *newPalette++ = *oldPalette++;
+ *newPalette++ = *oldPalette++;
+ oldPalette++;
+ }
+ glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE, (void *) thePalette);
+ is8bit = true;
+}
+
+#else
+extern void gl3DfxSetPaletteEXT(GLuint *pal);
+
+void VID_Init8bitPalette(void)
+{
+ // Check for 8bit Extensions and initialize them.
+ int i;
+ GLubyte table[256][4];
+ char *oldpal;
+
+ if (strstr(gl_extensions, "3DFX_set_global_palette") == NULL)
+ return;
+
+ Con_SafePrintf("8-bit GL extensions enabled.\n");
+ glEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
+ oldpal = (char *) d_8to24table; //d_8to24table3dfx;
+ for (i=0;i<256;i++) {
+ table[i][2] = *oldpal++;
+ table[i][1] = *oldpal++;
+ table[i][0] = *oldpal++;
+ table[i][3] = 255;
+ oldpal++;
+ }
+ gl3DfxSetPaletteEXT((GLuint *)table);
+ is8bit = true;
+}
+#endif
+
+void VID_Init(unsigned char *palette)
+{
+ int i;
+ GLint attribs[32];
+ char gldir[MAX_OSPATH];
+ int width = 640, height = 480;
+
+ S_Init();
+
+ Init_KBD();
+
+ Cvar_RegisterVariable (&vid_mode);
+ Cvar_RegisterVariable (&vid_redrawfull);
+ Cvar_RegisterVariable (&vid_waitforrefresh);
+ Cvar_RegisterVariable (&gl_ztrick);
+
+ vid.maxwarpwidth = WARP_WIDTH;
+ vid.maxwarpheight = WARP_HEIGHT;
+ vid.colormap = host_colormap;
+ vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048));
+
+// interpret command-line params
+
+// set vid parameters
+ attribs[0] = FXMESA_DOUBLEBUFFER;
+ attribs[1] = FXMESA_ALPHA_SIZE;
+ attribs[2] = 1;
+ attribs[3] = FXMESA_DEPTH_SIZE;
+ attribs[4] = 1;
+ attribs[5] = FXMESA_NONE;
+
+ if ((i = COM_CheckParm("-width")) != 0)
+ width = atoi(com_argv[i+1]);
+ if ((i = COM_CheckParm("-height")) != 0)
+ height = atoi(com_argv[i+1]);
+
+ if ((i = COM_CheckParm("-conwidth")) != 0)
+ vid.conwidth = Q_atoi(com_argv[i+1]);
+ else
+ vid.conwidth = 640;
+
+ vid.conwidth &= 0xfff8; // make it a multiple of eight
+
+ if (vid.conwidth < 320)
+ vid.conwidth = 320;
+
+ // pick a conheight that matches with correct aspect
+ vid.conheight = vid.conwidth*3 / 4;
+
+ if ((i = COM_CheckParm("-conheight")) != 0)
+ vid.conheight = Q_atoi(com_argv[i+1]);
+ if (vid.conheight < 200)
+ vid.conheight = 200;
+
+ fc = fxMesaCreateContext(0, findres(&width, &height), GR_REFRESH_75Hz,
+ attribs);
+ if (!fc)
+ Sys_Error("Unable to create 3DFX context.\n");
+
+ scr_width = width;
+ scr_height = height;
+
+ fxMesaMakeCurrent(fc);
+
+ if (vid.conheight > height)
+ vid.conheight = height;
+ if (vid.conwidth > width)
+ vid.conwidth = width;
+ vid.width = vid.conwidth;
+ vid.height = vid.conheight;
+
+ vid.aspect = ((float)vid.height / (float)vid.width) *
+ (320.0 / 240.0);
+ vid.numpages = 2;
+
+ InitSig(); // trap evil signals
+
+ GL_Init();
+
+ sprintf (gldir, "%s/glquake", com_gamedir);
+ Sys_mkdir (gldir);
+
+ VID_SetPalette(palette);
+
+ // Check for 3DFX Extensions and initialize them.
+ VID_Init8bitPalette();
+
+ Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
+
+ vid.recalc_refdef = 1; // force a surface cache flush
+}
+
+void Sys_SendKeyEvents(void)
+{
+ if (UseKeyboard)
+ while (keyboard_update());
+}
+
+void Force_CenterView_f (void)
+{
+ cl.viewangles[PITCH] = 0;
+}
+
+
+void mousehandler(int buttonstate, int dx, int dy)
+{
+ mouse_buttonstate = buttonstate;
+ mx += dx;
+ my += dy;
+}
+
+void IN_Init(void)
+{
+
+ int mtype;
+ char *mousedev;
+ int mouserate;
+
+ if (UseMouse)
+ {
+
+ Cvar_RegisterVariable (&mouse_button_commands[0]);
+ Cvar_RegisterVariable (&mouse_button_commands[1]);
+ Cvar_RegisterVariable (&mouse_button_commands[2]);
+ Cmd_AddCommand ("force_centerview", Force_CenterView_f);
+
+ mouse_buttons = 3;
+
+ mtype = vga_getmousetype();
+
+ mousedev = "/dev/mouse";
+ if (getenv("MOUSEDEV")) mousedev = getenv("MOUSEDEV");
+ if (COM_CheckParm("-mdev"))
+ mousedev = com_argv[COM_CheckParm("-mdev")+1];
+
+ mouserate = 1200;
+ if (getenv("MOUSERATE")) mouserate = atoi(getenv("MOUSERATE"));
+ if (COM_CheckParm("-mrate"))
+ mouserate = atoi(com_argv[COM_CheckParm("-mrate")+1]);
+
+ if (mouse_init(mousedev, mtype, mouserate))
+ {
+ Con_Printf("No mouse found\n");
+ UseMouse = 0;
+ }
+ else
+ mouse_seteventhandler(mousehandler);
+
+ }
+
+}
+
+void IN_Shutdown(void)
+{
+ if (UseMouse)
+ mouse_close();
+}
+
+/*
+===========
+IN_Commands
+===========
+*/
+void IN_Commands (void)
+{
+ if (UseMouse)
+ {
+ // poll mouse values
+ while (mouse_update())
+ ;
+
+ // perform button actions
+ if ((mouse_buttonstate & MOUSE_LEFTBUTTON) &&
+ !(mouse_oldbuttonstate & MOUSE_LEFTBUTTON))
+ Key_Event (K_MOUSE1, true);
+ else if (!(mouse_buttonstate & MOUSE_LEFTBUTTON) &&
+ (mouse_oldbuttonstate & MOUSE_LEFTBUTTON))
+ Key_Event (K_MOUSE1, false);
+
+ if ((mouse_buttonstate & MOUSE_RIGHTBUTTON) &&
+ !(mouse_oldbuttonstate & MOUSE_RIGHTBUTTON))
+ Key_Event (K_MOUSE2, true);
+ else if (!(mouse_buttonstate & MOUSE_RIGHTBUTTON) &&
+ (mouse_oldbuttonstate & MOUSE_RIGHTBUTTON))
+ Key_Event (K_MOUSE2, false);
+
+ if ((mouse_buttonstate & MOUSE_MIDDLEBUTTON) &&
+ !(mouse_oldbuttonstate & MOUSE_MIDDLEBUTTON))
+ Key_Event (K_MOUSE3, true);
+ else if (!(mouse_buttonstate & MOUSE_MIDDLEBUTTON) &&
+ (mouse_oldbuttonstate & MOUSE_MIDDLEBUTTON))
+ Key_Event (K_MOUSE3, false);
+
+ mouse_oldbuttonstate = mouse_buttonstate;
+ }
+}
+
+/*
+===========
+IN_Move
+===========
+*/
+void IN_MouseMove (usercmd_t *cmd)
+{
+ if (!UseMouse)
+ return;
+
+ // poll mouse values
+ while (mouse_update())
+ ;
+
+ if (m_filter.value)
+ {
+ mouse_x = (mx + old_mouse_x) * 0.5;
+ mouse_y = (my + old_mouse_y) * 0.5;
+ }
+ else
+ {
+ mouse_x = mx;
+ mouse_y = my;
+ }
+ old_mouse_x = mx;
+ old_mouse_y = my;
+ mx = my = 0; // clear for next update
+
+ mouse_x *= sensitivity.value;
+ mouse_y *= sensitivity.value;
+
+// add mouse X/Y movement to cmd
+ if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) ))
+ cmd->sidemove += m_side.value * mouse_x;
+ else
+ cl.viewangles[YAW] -= m_yaw.value * mouse_x;
+
+ if (in_mlook.state & 1)
+ V_StopPitchDrift ();
+
+ if ( (in_mlook.state & 1) && !(in_strafe.state & 1))
+ {
+ cl.viewangles[PITCH] += m_pitch.value * mouse_y;
+ if (cl.viewangles[PITCH] > 80)
+ cl.viewangles[PITCH] = 80;
+ if (cl.viewangles[PITCH] < -70)
+ cl.viewangles[PITCH] = -70;
+ }
+ else
+ {
+ if ((in_strafe.state & 1) && noclip_anglehack)
+ cmd->upmove -= m_forward.value * mouse_y;
+ else
+ cmd->forwardmove -= m_forward.value * mouse_y;
+ }
+}
+
+void IN_Move (usercmd_t *cmd)
+{
+ IN_MouseMove(cmd);
+}
+
+
+void VID_LockBuffer (void) {}
+void VID_UnlockBuffer (void) {}
+