]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - vid_shared.c
cleaned up mouse input system
[xonotic/darkplaces.git] / vid_shared.c
index 0654fe1575ebaa4440f524a2f0352c64fd760275..6730f55f4382e47fd959d031f59106cf83a6a244 100644 (file)
 
 #include "quakedef.h"
 
-unsigned       d_8to24table[256];
-unsigned char d_15to8table[32768]; // LordHavoc: was 64k elements, now 32k like it should be
+// LordHavoc: these are only set in wgl
+qboolean isG200 = false; // LordHavoc: the Matrox G200 can't do per pixel alpha, and it uses a D3D driver for GL... ugh...
+qboolean isRagePro = false; // LordHavoc: the ATI Rage Pro has limitations with per pixel alpha (the color scaler does not apply to per pixel alpha images...), although not as bad as a G200.
 
-void   VID_SetPalette (unsigned char *palette)
+// LordHavoc: GL_ARB_multitexture support
+int gl_textureunits;
+// LordHavoc: GL_ARB_texture_env_combine or GL_EXT_texture_env_combine support
+int gl_combine_extension = false;
+// LordHavoc: GL_EXT_compiled_vertex_array support
+int gl_supportslockarrays = false;
+
+cvar_t vid_mode = {0, "vid_mode", "0"};
+cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"};
+cvar_t vid_fullscreen = {0, "vid_fullscreen", "1"};
+cvar_t gl_combine = {0, "gl_combine", "1"};
+
+cvar_t in_pitch_min = {0, "in_pitch_min", "-90"};
+cvar_t in_pitch_max = {0, "in_pitch_max", "90"};
+
+cvar_t m_filter = {CVAR_SAVE, "m_filter","0"};
+
+// GL_ARB_multitexture
+void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
+void (GLAPIENTRY *qglActiveTexture) (GLenum);
+void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
+
+// GL_EXT_compiled_vertex_array
+void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
+void (GLAPIENTRY *qglUnlockArraysEXT) (void);
+
+typedef struct
 {
-       byte    *out;
-       unsigned short i;
+       char *name;
+       void **funcvariable;
+}
+gl_extensionfunctionlist_t;
 
-       out = (byte *) d_8to24table; // d_8to24table is accessed as 32bit for speed reasons, but is created as 8bit bytes
-       for (i=0 ; i<255 ; i++)
+typedef struct
+{
+       char *name;
+       gl_extensionfunctionlist_t *funcs;
+       int *enablevariable;
+       char *disableparm;
+}
+gl_extensioninfo_t;
+
+static gl_extensionfunctionlist_t multitexturefuncs[] =
+{
+       {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
+       {"glActiveTextureARB", (void **) &qglActiveTexture},
+       {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
+       {NULL, NULL}
+};
+
+static gl_extensionfunctionlist_t compiledvertexarrayfuncs[] =
+{
+       {"glLockArraysEXT", (void **) &qglLockArraysEXT},
+       {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
+       {NULL, NULL}
+};
+
+#ifndef WIN32
+#include <dlfcn.h>
+#endif
+
+#ifndef WIN32
+static void *prjobj = NULL;
+#endif
+
+static void gl_getfuncs_begin(void)
+{
+#ifndef WIN32
+       if (prjobj)
+               dlclose(prjobj);
+
+       prjobj = dlopen(NULL, RTLD_LAZY);
+       if (prjobj == NULL)
+       {
+               Con_Printf("Unable to open symbol list for main program.\n");
+               return;
+       }
+#endif
+}
+
+static void gl_getfuncs_end(void)
+{
+#ifndef WIN32
+       if (prjobj)
        {
-               *out++ = *palette++;
-               *out++ = *palette++;
-               *out++ = *palette++;
-               *out++ = 255;
+               dlclose(prjobj);
+               prjobj = NULL;
        }
-       d_8to24table[255] = 0;
+#endif
+}
+
+static void *gl_getfuncaddress(char *name)
+{
+#ifdef WIN32
+       return (void *) wglGetProcAddress(name);
+#else
+       return (void *) dlsym(prjobj, name);
+#endif
 }
 
-void   VID_Setup15to8Palette ()
+static int gl_checkextension(char *name, gl_extensionfunctionlist_t *funcs, char *disableparm)
 {
-       byte    *pal;
-       unsigned r,g,b;
-       unsigned v;
-       int     r1,g1,b1;
-       int             j,k,l;
-       unsigned short i;
-
-       // JACK: 3D distance calcs - k is last closest, l is the distance.
-       // FIXME: Precalculate this and cache to disk.
-       for (i = 0;i < 32768;i++)
+       gl_extensionfunctionlist_t *func;
+
+       Con_Printf("checking for %s...  ", name);
+
+       for (func = funcs;func && func->name;func++)
+               *func->funcvariable = NULL;
+
+       if (disableparm && COM_CheckParm(disableparm))
        {
-               /* Maps
-                       000000000000000
-                       000000000011111 = Red  = 0x001F
-                       000001111100000 = Blue = 0x03E0
-                       111110000000000 = Grn  = 0x7C00
-               */
-               r = ((i & 0x001F) << 3)+4;
-               g = ((i & 0x03E0) >> 2)+4;
-               b = ((i & 0x7C00) >> 7)+4;
-               pal = (unsigned char *)d_8to24table;
-               for (v = 0, k = 0, l = 1000000000;v < 256;v++, pal += 4)
+               Con_Printf("disabled by commandline\n");
+               return false;
+       }
+
+       if (strstr(gl_extensions, name))
+       {
+               for (func = funcs;func && func->name != NULL;func++)
                {
-                       r1 = r - pal[0];
-                       g1 = g - pal[1];
-                       b1 = b - pal[2];
-                       j = (r1*r1*2)+(g1*g1*3)+(b1*b1); // LordHavoc: weighting to tune for human eye (added *2 and *3)
-                       if (j < l)
+                       if (!(*func->funcvariable = (void *) gl_getfuncaddress(func->name)))
                        {
-                               k = v;
-                               l = j;
+                               Con_Printf("missing function \"%s\"!\n", func->name);
+                               return false;
                        }
                }
-               d_15to8table[i] = k;
+               Con_Printf("enabled\n");
+               return true;
+       }
+       else
+       {
+               Con_Printf("not detected\n");
+               return false;
        }
 }
 
-// LordHavoc: gamma correction does not belong in gl_vidnt.c
-byte gamma[256];
-static float vid_gamma = 1.0;
-
-void Check_Gamma (unsigned char *pal)
+void VID_CheckExtensions(void)
 {
-       float   inf;
-       int             i;
+       Con_Printf("Checking OpenGL extensions...\n");
 
-       if (i = COM_CheckParm("-gamma"))
-               vid_gamma = atof(com_argv[i+1]);
-       else
+       gl_getfuncs_begin();
+
+       gl_combine_extension = false;
+       gl_supportslockarrays = false;
+       gl_textureunits = 1;
+
+       if (gl_checkextension("GL_ARB_multitexture", multitexturefuncs, "-nomtex"))
        {
-//             if ((gl_renderer && strstr(gl_renderer, "Voodoo")) ||
-//                     (gl_vendor && strstr(gl_vendor, "3Dfx")))
-                       vid_gamma = 1;
-//             else if (gl_vendor && strstr(gl_vendor, "ATI"))
-//                     vid_gamma = 1;
-//             else
-//                     vid_gamma = 0.7;
+               glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
+               if (gl_textureunits > 1)
+                       gl_combine_extension = gl_checkextension("GL_ARB_texture_env_combine", NULL, "-nocombine") || gl_checkextension("GL_EXT_texture_env_combine", NULL, "-nocombine");
+               else
+                       gl_textureunits = 1; // for sanity sake, make sure it's not 0
        }
 
-       if (vid_gamma == 1) // LordHavoc: dodge the math
+       gl_supportslockarrays = gl_checkextension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva");
+
+       gl_getfuncs_end();
+}
+
+void Force_CenterView_f (void)
+{
+       cl.viewangles[PITCH] = 0;
+}
+
+void IN_PreMove(void)
+{
+}
+
+void IN_PostMove(void)
+{
+}
+
+void IN_Mouse(usercmd_t *cmd, float mx, float my)
+{
+       int mouselook = (in_mlook.state & 1) || freelook.integer;
+       float mouse_x, mouse_y;
+       static float old_mouse_x = 0, old_mouse_y = 0;
+
+       if (m_filter.integer)
        {
-               for (i = 0;i < 256;i++)
-                       gamma[i] = i;
+               mouse_x = (mx + old_mouse_x) * 0.5;
+               mouse_y = (my + old_mouse_y) * 0.5;
        }
        else
        {
-               for (i = 0;i < 256;i++)
-               {
-                       inf = pow((i+1)/256.0, vid_gamma)*255 + 0.5;
-                       if (inf < 0) inf = 0;
-                       if (inf > 255) inf = 255;
-                       gamma[i] = inf;
-               }
+               mouse_x = mx;
+               mouse_y = my;
+       }
+
+       old_mouse_x = mx;
+       old_mouse_y = my;
+
+       // LordHavoc: viewzoom affects mouse sensitivity for sniping
+       mouse_x *= sensitivity.value * cl.viewzoom;
+       mouse_y *= sensitivity.value * cl.viewzoom;
+
+       // Add mouse X/Y movement to cmd
+       if ( (in_strafe.state & 1) || (lookstrafe.integer && mouselook))
+               cmd->sidemove += m_side.value * mouse_x;
+       else
+               cl.viewangles[YAW] -= m_yaw.value * mouse_x;
+
+       if (mouselook)
+               V_StopPitchDrift();
+
+       if (mouselook && !(in_strafe.state & 1))
+               cl.viewangles[PITCH] += m_pitch.value * mouse_y;
+       else
+       {
+               if ((in_strafe.state & 1) && noclip_anglehack)
+                       cmd->upmove -= m_forward.value * mouse_y;
+               else
+                       cmd->forwardmove -= m_forward.value * mouse_y;
        }
+}
 
-       // gamma correct the palette
-       for (i=0 ; i<768 ; i++)
-               pal[i] = gamma[pal[i]];
-       // note: 32bit uploads are corrected by the upload functions
+void VID_InitCvars(void)
+{
+       Cvar_RegisterVariable(&vid_mode);
+       Cvar_RegisterVariable(&vid_mouse);
+       Cvar_RegisterVariable(&vid_fullscreen);
+       Cvar_RegisterVariable(&gl_combine);
+       Cvar_RegisterVariable(&in_pitch_min);
+       Cvar_RegisterVariable(&in_pitch_max);
+       Cvar_RegisterVariable(&m_filter);
+       Cmd_AddCommand("force_centerview", Force_CenterView_f);
 }