summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTim Angus <tim@ngus.net>2001-01-04 08:38:28 +0000
committerTim Angus <tim@ngus.net>2001-01-04 08:38:28 +0000
commiteb4e4d240dab282addb4fda26ddf77a1d01f22cc (patch)
treeade26acba87efb786c100aea2d9b214623851c52
parentae51d659752ca314460b1e7f1bd4d4d58f2f7afc (diff)
added q_*.. d'oh
Diffstat
-rw-r--r--src/game/bg_pmove.c15
-rw-r--r--src/game/q_math.c1355
-rw-r--r--src/game/q_shared.c1229
-rw-r--r--src/game/q_shared.h1206
4 files changed, 3802 insertions, 3 deletions
diff --git a/src/game/bg_pmove.c b/src/game/bg_pmove.c
index 5d17b0be..a0c3c150 100644
--- a/src/game/bg_pmove.c
+++ b/src/game/bg_pmove.c
@@ -1486,10 +1486,19 @@ static void PM_GroundClimbTrace( void )
if( !VectorCompare( trace.plane.normal, refNormal ) && !VectorCompare( surfNormal, refNormal ) &&
!VectorCompare( trace.plane.normal, ceilingNormal ) && !VectorCompare( surfNormal, ceilingNormal ) )
{
+ int dAngle;
vectoangles( trace.plane.normal, toAngles );
vectoangles( surfNormal, surfAngles );
- pm->ps->delta_angles[1] -= ANGLE2SHORT( surfAngles[1] - toAngles[1] );
+ //pm->ps->delta_angles[ YAW ] -= ANGLE2SHORT( surfAngles[ YAW ] - toAngles[ YAW ] );
+ dAngle = ANGLE2SHORT( RAD2DEG( arccos( DotProduct( trace.plane.normal, surfNormal ) ) ) );
+ if( dAngle < 0 )
+ dAngle = -dAngle;
+
+ pm->ps->delta_angles[ YAW ] += dAngle;
+
+ Com_Printf( "%1.0f ", surfAngles[ YAW ] - toAngles[ YAW ] );
+ Com_Printf( "%1.0f\n", RAD2DEG( arccos( DotProduct( trace.plane.normal, surfNormal ) ) ) );
}
//transition from wall to ceiling
@@ -2501,8 +2510,8 @@ void PM_UpdateViewAngles( playerState_t *ps, const usercmd_t *cmd ) {
//-abs( rotAngle ).. sorta
if( rotAngle > 0 )
- rotAngle -= rotAngle*2;
-
+ rotAngle = -rotAngle;
+
//hmmm could get away with only one rotation and some clever stuff later... but i'm lazy
RotatePointAroundVector( rotaxis[0], xNormal, axis[0], rotAngle );
RotatePointAroundVector( rotaxis[1], xNormal, axis[1], rotAngle );
diff --git a/src/game/q_math.c b/src/game/q_math.c
new file mode 100644
index 00000000..324418e5
--- /dev/null
+++ b/src/game/q_math.c
@@ -0,0 +1,1355 @@
+// Copyright (C) 1999-2000 Id Software, Inc.
+//
+// q_math.c -- stateless support routines that are included in each code module
+
+/*
+ * Portions Copyright (C) 2000-2001 Tim Angus
+ *
+ * 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, 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.
+ */
+
+/* To assertain which portions are licensed under the GPL and which are
+ * licensed by Id Software, Inc. please run a diff between the equivalent
+ * versions of the "Tremulous" modification and the unmodified "Quake3"
+ * game source code.
+ */
+
+#include "q_shared.h"
+
+
+vec3_t vec3_origin = {0,0,0};
+vec3_t axisDefault[3] = { { 1, 0, 0 }, { 0, 1, 0 }, { 0, 0, 1 } };
+
+
+vec4_t colorBlack = {0, 0, 0, 1};
+vec4_t colorRed = {1, 0, 0, 1};
+vec4_t colorGreen = {0, 1, 0, 1};
+vec4_t colorBlue = {0, 0, 1, 1};
+vec4_t colorYellow = {1, 1, 0, 1};
+vec4_t colorMagenta= {1, 0, 1, 1};
+vec4_t colorCyan = {0, 1, 1, 1};
+vec4_t colorWhite = {1, 1, 1, 1};
+vec4_t colorLtGrey = {0.75, 0.75, 0.75, 1};
+vec4_t colorMdGrey = {0.5, 0.5, 0.5, 1};
+vec4_t colorDkGrey = {0.25, 0.25, 0.25, 1};
+
+vec4_t g_color_table[8] =
+ {
+ {0.0, 0.0, 0.0, 1.0},
+ {1.0, 0.0, 0.0, 1.0},
+ {0.0, 1.0, 0.0, 1.0},
+ {1.0, 1.0, 0.0, 1.0},
+ {0.0, 0.0, 1.0, 1.0},
+ {0.0, 1.0, 1.0, 1.0},
+ {1.0, 0.0, 1.0, 1.0},
+ {1.0, 1.0, 1.0, 1.0},
+ };
+
+
+vec3_t bytedirs[NUMVERTEXNORMALS] =
+{
+{-0.525731f, 0.000000f, 0.850651f}, {-0.442863f, 0.238856f, 0.864188f},
+{-0.295242f, 0.000000f, 0.955423f}, {-0.309017f, 0.500000f, 0.809017f},
+{-0.162460f, 0.262866f, 0.951056f}, {0.000000f, 0.000000f, 1.000000f},
+{0.000000f, 0.850651f, 0.525731f}, {-0.147621f, 0.716567f, 0.681718f},
+{0.147621f, 0.716567f, 0.681718f}, {0.000000f, 0.525731f, 0.850651f},
+{0.309017f, 0.500000f, 0.809017f}, {0.525731f, 0.000000f, 0.850651f},
+{0.295242f, 0.000000f, 0.955423f}, {0.442863f, 0.238856f, 0.864188f},
+{0.162460f, 0.262866f, 0.951056f}, {-0.681718f, 0.147621f, 0.716567f},
+{-0.809017f, 0.309017f, 0.500000f},{-0.587785f, 0.425325f, 0.688191f},
+{-0.850651f, 0.525731f, 0.000000f},{-0.864188f, 0.442863f, 0.238856f},
+{-0.716567f, 0.681718f, 0.147621f},{-0.688191f, 0.587785f, 0.425325f},
+{-0.500000f, 0.809017f, 0.309017f}, {-0.238856f, 0.864188f, 0.442863f},
+{-0.425325f, 0.688191f, 0.587785f}, {-0.716567f, 0.681718f, -0.147621f},
+{-0.500000f, 0.809017f, -0.309017f}, {-0.525731f, 0.850651f, 0.000000f},
+{0.000000f, 0.850651f, -0.525731f}, {-0.238856f, 0.864188f, -0.442863f},
+{0.000000f, 0.955423f, -0.295242f}, {-0.262866f, 0.951056f, -0.162460f},
+{0.000000f, 1.000000f, 0.000000f}, {0.000000f, 0.955423f, 0.295242f},
+{-0.262866f, 0.951056f, 0.162460f}, {0.238856f, 0.864188f, 0.442863f},
+{0.262866f, 0.951056f, 0.162460f}, {0.500000f, 0.809017f, 0.309017f},
+{0.238856f, 0.864188f, -0.442863f},{0.262866f, 0.951056f, -0.162460f},
+{0.500000f, 0.809017f, -0.309017f},{0.850651f, 0.525731f, 0.000000f},
+{0.716567f, 0.681718f, 0.147621f}, {0.716567f, 0.681718f, -0.147621f},
+{0.525731f, 0.850651f, 0.000000f}, {0.425325f, 0.688191f, 0.587785f},
+{0.864188f, 0.442863f, 0.238856f}, {0.688191f, 0.587785f, 0.425325f},
+{0.809017f, 0.309017f, 0.500000f}, {0.681718f, 0.147621f, 0.716567f},
+{0.587785f, 0.425325f, 0.688191f}, {0.955423f, 0.295242f, 0.000000f},
+{1.000000f, 0.000000f, 0.000000f}, {0.951056f, 0.162460f, 0.262866f},
+{0.850651f, -0.525731f, 0.000000f},{0.955423f, -0.295242f, 0.000000f},
+{0.864188f, -0.442863f, 0.238856f}, {0.951056f, -0.162460f, 0.262866f},
+{0.809017f, -0.309017f, 0.500000f}, {0.681718f, -0.147621f, 0.716567f},
+{0.850651f, 0.000000f, 0.525731f}, {0.864188f, 0.442863f, -0.238856f},
+{0.809017f, 0.309017f, -0.500000f}, {0.951056f, 0.162460f, -0.262866f},
+{0.525731f, 0.000000f, -0.850651f}, {0.681718f, 0.147621f, -0.716567f},
+{0.681718f, -0.147621f, -0.716567f},{0.850651f, 0.000000f, -0.525731f},
+{0.809017f, -0.309017f, -0.500000f}, {0.864188f, -0.442863f, -0.238856f},
+{0.951056f, -0.162460f, -0.262866f}, {0.147621f, 0.716567f, -0.681718f},
+{0.309017f, 0.500000f, -0.809017f}, {0.425325f, 0.688191f, -0.587785f},
+{0.442863f, 0.238856f, -0.864188f}, {0.587785f, 0.425325f, -0.688191f},
+{0.688191f, 0.587785f, -0.425325f}, {-0.147621f, 0.716567f, -0.681718f},
+{-0.309017f, 0.500000f, -0.809017f}, {0.000000f, 0.525731f, -0.850651f},
+{-0.525731f, 0.000000f, -0.850651f}, {-0.442863f, 0.238856f, -0.864188f},
+{-0.295242f, 0.000000f, -0.955423f}, {-0.162460f, 0.262866f, -0.951056f},
+{0.000000f, 0.000000f, -1.000000f}, {0.295242f, 0.000000f, -0.955423f},
+{0.162460f, 0.262866f, -0.951056f}, {-0.442863f, -0.238856f, -0.864188f},
+{-0.309017f, -0.500000f, -0.809017f}, {-0.162460f, -0.262866f, -0.951056f},
+{0.000000f, -0.850651f, -0.525731f}, {-0.147621f, -0.716567f, -0.681718f},
+{0.147621f, -0.716567f, -0.681718f}, {0.000000f, -0.525731f, -0.850651f},
+{0.309017f, -0.500000f, -0.809017f}, {0.442863f, -0.238856f, -0.864188f},
+{0.162460f, -0.262866f, -0.951056f}, {0.238856f, -0.864188f, -0.442863f},
+{0.500000f, -0.809017f, -0.309017f}, {0.425325f, -0.688191f, -0.587785f},
+{0.716567f, -0.681718f, -0.147621f}, {0.688191f, -0.587785f, -0.425325f},
+{0.587785f, -0.425325f, -0.688191f}, {0.000000f, -0.955423f, -0.295242f},
+{0.000000f, -1.000000f, 0.000000f}, {0.262866f, -0.951056f, -0.162460f},
+{0.000000f, -0.850651f, 0.525731f}, {0.000000f, -0.955423f, 0.295242f},
+{0.238856f, -0.864188f, 0.442863f}, {0.262866f, -0.951056f, 0.162460f},
+{0.500000f, -0.809017f, 0.309017f}, {0.716567f, -0.681718f, 0.147621f},
+{0.525731f, -0.850651f, 0.000000f}, {-0.238856f, -0.864188f, -0.442863f},
+{-0.500000f, -0.809017f, -0.309017f}, {-0.262866f, -0.951056f, -0.162460f},
+{-0.850651f, -0.525731f, 0.000000f}, {-0.716567f, -0.681718f, -0.147621f},
+{-0.716567f, -0.681718f, 0.147621f}, {-0.525731f, -0.850651f, 0.000000f},
+{-0.500000f, -0.809017f, 0.309017f}, {-0.238856f, -0.864188f, 0.442863f},
+{-0.262866f, -0.951056f, 0.162460f}, {-0.864188f, -0.442863f, 0.238856f},
+{-0.809017f, -0.309017f, 0.500000f}, {-0.688191f, -0.587785f, 0.425325f},
+{-0.681718f, -0.147621f, 0.716567f}, {-0.442863f, -0.238856f, 0.864188f},
+{-0.587785f, -0.425325f, 0.688191f}, {-0.309017f, -0.500000f, 0.809017f},
+{-0.147621f, -0.716567f, 0.681718f}, {-0.425325f, -0.688191f, 0.587785f},
+{-0.162460f, -0.262866f, 0.951056f}, {0.442863f, -0.238856f, 0.864188f},
+{0.162460f, -0.262866f, 0.951056f}, {0.309017f, -0.500000f, 0.809017f},
+{0.147621f, -0.716567f, 0.681718f}, {0.000000f, -0.525731f, 0.850651f},
+{0.425325f, -0.688191f, 0.587785f}, {0.587785f, -0.425325f, 0.688191f},
+{0.688191f, -0.587785f, 0.425325f}, {-0.955423f, 0.295242f, 0.000000f},
+{-0.951056f, 0.162460f, 0.262866f}, {-1.000000f, 0.000000f, 0.000000f},
+{-0.850651f, 0.000000f, 0.525731f}, {-0.955423f, -0.295242f, 0.000000f},
+{-0.951056f, -0.162460f, 0.262866f}, {-0.864188f, 0.442863f, -0.238856f},
+{-0.951056f, 0.162460f, -0.262866f}, {-0.809017f, 0.309017f, -0.500000f},
+{-0.864188f, -0.442863f, -0.238856f}, {-0.951056f, -0.162460f, -0.262866f},
+{-0.809017f, -0.309017f, -0.500000f}, {-0.681718f, 0.147621f, -0.716567f},
+{-0.681718f, -0.147621f, -0.716567f}, {-0.850651f, 0.000000f, -0.525731f},
+{-0.688191f, 0.587785f, -0.425325f}, {-0.587785f, 0.425325f, -0.688191f},
+{-0.425325f, 0.688191f, -0.587785f}, {-0.425325f, -0.688191f, -0.587785f},
+{-0.587785f, -0.425325f, -0.688191f}, {-0.688191f, -0.587785f, -0.425325f}
+};
+
+//==============================================================
+
+int Q_rand( int *seed ) {
+ *seed = (69069 * *seed + 1);
+ return *seed;
+}
+
+float Q_random( int *seed ) {
+ return ( Q_rand( seed ) & 0xffff ) / (float)0x10000;
+}
+
+float Q_crandom( int *seed ) {
+ return 2.0 * ( Q_random( seed ) - 0.5 );
+}
+
+
+//=======================================================
+
+signed char ClampChar( int i ) {
+ if ( i < -128 ) {
+ return -128;
+ }
+ if ( i > 127 ) {
+ return 127;
+ }
+ return i;
+}
+
+signed short ClampShort( int i ) {
+ if ( i < -32768 ) {
+ return -32768;
+ }
+ if ( i > 0x7fff ) {
+ return 0x7fff;
+ }
+ return i;
+}
+
+
+// this isn't a real cheap function to call!
+int DirToByte( vec3_t dir ) {
+ int i, best;
+ float d, bestd;
+
+ if ( !dir ) {
+ return 0;
+ }
+
+ bestd = 0;
+ best = 0;
+ for (i=0 ; i<NUMVERTEXNORMALS ; i++)
+ {
+ d = DotProduct (dir, bytedirs[i]);
+ if (d > bestd)
+ {
+ bestd = d;
+ best = i;
+ }
+ }
+
+ return best;
+}
+
+void ByteToDir( int b, vec3_t dir ) {
+ if ( b < 0 || b >= NUMVERTEXNORMALS ) {
+ VectorCopy( vec3_origin, dir );
+ return;
+ }
+ VectorCopy (bytedirs[b], dir);
+}
+
+
+unsigned ColorBytes3 (float r, float g, float b) {
+ unsigned i;
+
+ ( (byte *)&i )[0] = r * 255;
+ ( (byte *)&i )[1] = g * 255;
+ ( (byte *)&i )[2] = b * 255;
+
+ return i;
+}
+
+unsigned ColorBytes4 (float r, float g, float b, float a) {
+ unsigned i;
+
+ ( (byte *)&i )[0] = r * 255;
+ ( (byte *)&i )[1] = g * 255;
+ ( (byte *)&i )[2] = b * 255;
+ ( (byte *)&i )[3] = a * 255;
+
+ return i;
+}
+
+float NormalizeColor( const vec3_t in, vec3_t out ) {
+ float max;
+
+ max = in[0];
+ if ( in[1] > max ) {
+ max = in[1];
+ }
+ if ( in[2] > max ) {
+ max = in[2];
+ }
+
+ if ( !max ) {
+ VectorClear( out );
+ } else {
+ out[0] = in[0] / max;
+ out[1] = in[1] / max;
+ out[2] = in[2] / max;
+ }
+ return max;
+}
+
+
+/*
+=====================
+PlaneFromPoints
+
+Returns false if the triangle is degenrate.
+The normal will point out of the clock for clockwise ordered points
+=====================
+*/
+qboolean PlaneFromPoints( vec4_t plane, const vec3_t a, const vec3_t b, const vec3_t c ) {
+ vec3_t d1, d2;
+
+ VectorSubtract( b, a, d1 );
+ VectorSubtract( c, a, d2 );
+ CrossProduct( d2, d1, plane );
+ if ( VectorNormalize( plane ) == 0 ) {
+ return qfalse;
+ }
+
+ plane[3] = DotProduct( a, plane );
+ return qtrue;
+}
+
+
+/// These optimised and much cleaner implementations of the Vector Rotation
+/// functions were provided by Riv of planetquake (riviera@planetquake.com)
+/// ...Cheers Riv...
+/*
+===============
+RotatePointAroundVector
+
+This is not implemented very well...
+===============
+*/
+void RotatePointAroundVector(vec3_t dst, const vec3_t dir, const vec3_t point, float degrees)
+{
+ float sin_a;
+ float cos_a;
+ float cos_ia;
+ float i_i_ia;
+ float j_j_ia;
+ float k_k_ia;
+ float i_j_ia;
+ float i_k_ia;
+ float j_k_ia;
+ float a_sin;
+ float b_sin;
+ float c_sin;
+ float rot[3][3];
+
+ cos_ia = DEG2RAD(degrees);
+ sin_a = sin(cos_ia);
+ cos_a = cos(cos_ia);
+ cos_ia = 1.0F - cos_a;
+
+ i_i_ia = dir[0] * dir[0] * cos_ia;
+ j_j_ia = dir[1] * dir[1] * cos_ia;
+ k_k_ia = dir[2] * dir[2] * cos_ia;
+ i_j_ia = dir[0] * dir[1] * cos_ia;
+ i_k_ia = dir[0] * dir[2] * cos_ia;
+ j_k_ia = dir[1] * dir[2] * cos_ia;
+
+ a_sin = dir[0] * sin_a;
+ b_sin = dir[1] * sin_a;
+ c_sin = dir[2] * sin_a;
+
+ rot[0][0] = i_i_ia + cos_a;
+ rot[0][1] = i_j_ia - c_sin;
+ rot[0][2] = i_k_ia + b_sin;
+ rot[1][0] = i_j_ia + c_sin;
+ rot[1][1] = j_j_ia + cos_a;
+ rot[1][2] = j_k_ia - a_sin;
+
+ rot[2][0] = i_k_ia - b_sin;
+ rot[2][1] = j_k_ia + a_sin;
+ rot[2][2] = k_k_ia + cos_a;
+
+ dst[0] = point[0] * rot[0][0] + point[1] * rot[0][1] + point[2] * rot[0][2];
+ dst[1] = point[0] * rot[1][0] + point[1] * rot[1][1] + point[2] * rot[1][2];
+ dst[2] = point[0] * rot[2][0] + point[1] * rot[2][1] + point[2] * rot[2][2];
+}
+
+
+/*
+===============
+RotateAroundDirection
+===============
+*/
+void RotateAroundDirection(vec3_t axis[3], vec_t angle)
+{
+ vec_t scale;
+
+ angle = DEG2RAD(angle);
+
+ // create an arbitrary axis[1]
+ PerpendicularVector(axis[1], axis[0]);
+
+ // cross to get axis[2]
+ CrossProduct(axis[0], axis[1], axis[2]);
+
+ // rotate
+ scale = cos(angle);
+ VectorScale(axis[1], scale, axis[1]);
+
+ scale = sin(angle);
+ VectorMA(axis[1], scale, axis[2], axis[1]);
+
+ // recalculate axis[2]
+ CrossProduct(axis[0], axis[1], axis[2]);
+}
+
+
+void vectoangles( const vec3_t value1, vec3_t angles ) {
+ float forward;
+ float yaw, pitch;
+
+ if ( value1[1] == 0 && value1[0] == 0 ) {
+ yaw = 0;
+ if ( value1[2] > 0 ) {
+ pitch = 90;
+ }
+ else {
+ pitch = 270;
+ }
+ }
+ else {
+ if ( value1[0] ) {
+ yaw = ( atan2 ( value1[1], value1[0] ) * 180 / M_PI );
+ }
+ else if ( value1[1] > 0 ) {
+ yaw = 90;
+ }
+ else {
+ yaw = 270;
+ }
+ if ( yaw < 0 ) {
+ yaw += 360;
+ }
+
+ forward = sqrt ( value1[0]*value1[0] + value1[1]*value1[1] );
+ pitch = ( atan2(value1[2], forward) * 180 / M_PI );
+ if ( pitch < 0 ) {
+ pitch += 360;
+ }
+ }
+
+ angles[PITCH] = -pitch;
+ angles[YAW] = yaw;
+ angles[ROLL] = 0;
+}
+
+
+/*
+=================
+AxisToAngles
+TA: takes an axis (forward + right + up)
+ and returns angles -- including a roll
+=================
+*/
+void AxisToAngles( vec3_t axis[3], vec3_t angles ) {
+ float length1;
+ float yaw, pitch, roll;
+
+ if ( axis[0][1] == 0 && axis[0][0] == 0 ) {
+ yaw = 0;
+ if ( axis[0][2] > 0 ) {
+ pitch = 90;
+ }
+ else {
+ pitch = 270;
+ }
+ }
+ else {
+ if ( axis[0][0] ) {
+ yaw = ( atan2 ( axis[0][1], axis[0][0] ) * 180 / M_PI );
+ }
+ else if ( axis[0][1] > 0 ) {
+ yaw = 90;
+ }
+ else {
+ yaw = 270;
+ }
+ if ( yaw < 0 ) {
+ yaw += 360;
+ }
+
+ length1 = sqrt ( axis[0][0]*axis[0][0] + axis[0][1]*axis[0][1] );
+ pitch = ( atan2(axis[0][2], length1) * 180 / M_PI );
+ if ( pitch < 0 ) {
+ pitch += 360;
+ }
+
+ roll = ( atan2( axis[1][2], axis[2][2] ) * 180 / M_PI );
+ if ( roll < 0 ) {
+ roll += 360;
+ }
+ }
+
+ angles[PITCH] = -pitch;
+ angles[YAW] = yaw;
+ angles[ROLL] = roll;
+}
+
+/*
+=================
+AnglesToAxis
+=================
+*/
+void AnglesToAxis( const vec3_t angles, vec3_t axis[3] ) {
+ vec3_t right;
+
+ // angle vectors returns "right" instead of "y axis"
+ AngleVectors( angles, axis[0], right, axis[2] );
+ VectorSubtract( vec3_origin, right, axis[1] );
+}
+
+void AxisClear( vec3_t axis[3] ) {
+ axis[0][0] = 1;
+ axis[0][1] = 0;
+ axis[0][2] = 0;
+ axis[1][0] = 0;
+ axis[1][1] = 1;
+ axis[1][2] = 0;
+ axis[2][0] = 0;
+ axis[2][1] = 0;
+ axis[2][2] = 1;
+}
+
+void AxisCopy( vec3_t in[3], vec3_t out[3] ) {
+ VectorCopy( in[0], out[0] );
+ VectorCopy( in[1], out[1] );
+ VectorCopy( in[2], out[2] );
+}
+
+void ProjectPointOnPlane( vec3_t dst, const vec3_t p, const vec3_t normal )
+{
+ float d;
+ vec3_t n;
+ float inv_denom;
+
+ inv_denom = 1.0F / DotProduct( normal, normal );
+
+ d = DotProduct( normal, p ) * inv_denom;
+
+ n[0] = normal[0] * inv_denom;
+ n[1] = normal[1] * inv_denom;
+ n[2] = normal[2] * inv_denom;
+
+ dst[0] = p[0] - d * n[0];
+ dst[1] = p[1] - d * n[1];
+ dst[2] = p[2] - d * n[2];
+}
+
+/*
+================
+MakeNormalVectors
+
+Given a normalized forward vector, create two
+other perpendicular vectors
+================
+*/
+void MakeNormalVectors( const vec3_t forward, vec3_t right, vec3_t up) {
+ float d;
+
+ // this rotate and negate guarantees a vector
+ // not colinear with the original
+ right[1] = -forward[0];
+ right[2] = forward[1];
+ right[0] = forward[2];
+
+ d = DotProduct (right, forward);
+ VectorMA (right, -d, forward, right);
+ VectorNormalize (right);
+ CrossProduct (right, forward, up);
+}
+
+
+void VectorRotate( vec3_t in, vec3_t matrix[3], vec3_t out )
+{
+ out[0] = DotProduct( in, matrix[0] );
+ out[1] = DotProduct( in, matrix[1] );
+ out[2] = DotProduct( in, matrix[2] );
+}
+
+//============================================================================
+
+/*
+** float q_rsqrt( float number )
+*/
+float Q_rsqrt( float number )
+{
+ long i;
+ float x2, y;
+ const float threehalfs = 1.5F;
+
+ x2 = number * 0.5F;
+ y = number;
+ i = * ( long * ) &y; // evil floating point bit level hacking
+ i = 0x5f3759df - ( i >> 1 ); // what the fuck?
+ y = * ( float * ) &i;
+ y = y * ( threehalfs - ( x2 * y * y ) ); // 1st iteration
+// y = y * ( threehalfs - ( x2 * y * y ) ); // 2nd iteration, this can be removed
+
+ return y;
+}
+
+float Q_fabs( float f ) {
+ int tmp = * ( int * ) &f;
+ tmp &= 0x7FFFFFFF;
+ return * ( float * ) &tmp;
+}
+
+//============================================================
+
+/*
+===============
+LerpAngle
+
+===============
+*/
+float LerpAngle (float from, float to, float frac) {
+ float a;
+
+ if ( to - from > 180 ) {
+ to -= 360;
+ }
+ if ( to - from < -180 ) {
+ to += 360;
+ }
+ a = from + frac * (to - from);
+
+ return a;
+}
+
+
+/*
+=================
+AngleSubtract
+
+Always returns a value from -180 to 180
+=================
+*/
+float AngleSubtract( float a1, float a2 ) {
+ float a;
+
+ a = a1 - a2;
+ while ( a > 180 ) {
+ a -= 360;
+ }
+ while ( a < -180 ) {
+ a += 360;
+ }
+ return a;
+}
+
+
+void AnglesSubtract( vec3_t v1, vec3_t v2, vec3_t v3 ) {
+ v3[0] = AngleSubtract( v1[0], v2[0] );
+ v3[1] = AngleSubtract( v1[1], v2[1] );
+ v3[2] = AngleSubtract( v1[2], v2[2] );
+}
+
+
+float AngleMod(float a) {
+ a = (360.0/65536) * ((int)(a*(65536/360.0)) & 65535);
+ return a;
+}
+
+
+/*
+=================
+AngleNormalize360
+
+returns angle normalized to the range [0 <= angle < 360]
+=================
+*/
+float AngleNormalize360 ( float angle ) {
+ return (360.0 / 65536) * ((int)(angle * (65536 / 360.0)) & 65535);
+}
+
+
+/*
+=================
+AngleNormalize180
+
+returns angle normalized to the range [-180 < angle <= 180]
+=================
+*/
+float AngleNormalize180 ( float angle ) {
+ angle = AngleNormalize360( angle );
+ if ( angle > 180.0 ) {
+ angle -= 360.0;
+ }
+ return angle;
+}
+
+
+/*
+=================
+AngleDelta
+
+returns the normalized delta from angle1 to angle2
+=================
+*/
+float AngleDelta ( float angle1, float angle2 ) {
+ return AngleNormalize180( angle1 - angle2 );
+}
+
+
+//============================================================
+
+
+/*
+=================
+SetPlaneSignbits
+=================
+*/
+void SetPlaneSignbits (cplane_t *out) {
+ int bits, j;
+
+ // for fast box on planeside test
+ bits = 0;
+ for (j=0 ; j<3 ; j++) {
+ if (out->normal[j] < 0) {
+ bits |= 1<<j;
+ }
+ }
+ out->signbits = bits;
+}
+
+
+/*
+==================
+BoxOnPlaneSide
+
+Returns 1, 2, or 1 + 2
+
+// this is the slow, general version
+int BoxOnPlaneSide2 (vec3_t emins, vec3_t emaxs, struct cplane_s *p)
+{
+ int i;
+ float dist1, dist2;
+ int sides;
+ vec3_t corners[2];
+
+ for (i=0 ; i<3 ; i++)
+ {
+ if (p->normal[i] < 0)
+ {
+ corners[0][i] = emins[i];
+ corners[1][i] = emaxs[i];
+ }
+ else
+ {
+ corners[1][i] = emins[i];
+ corners[0][i] = emaxs[i];
+ }
+ }
+ dist1 = DotProduct (p->normal, corners[0]) - p->dist;
+ dist2 = DotProduct (p->normal, corners[1]) - p->dist;
+ sides = 0;
+ if (dist1 >= 0)
+ sides = 1;
+ if (dist2 < 0)
+ sides |= 2;
+
+ return sides;
+}
+
+==================
+*/
+#if !(defined __linux__ && defined __i386__ && !defined C_ONLY)
+#if defined __LCC__ || defined C_ONLY || !id386
+
+int BoxOnPlaneSide (vec3_t emins, vec3_t emaxs, struct cplane_s *p)
+{
+ float dist1, dist2;
+ int sides;
+
+// fast axial cases
+ if (p->type < 3)
+ {
+ if (p->dist <= emins[p->type])
+ return 1;
+ if (p->dist >= emaxs[p->type])
+ return 2;
+ return 3;
+ }
+
+// general case
+ switch (p->signbits)
+ {
+ case 0:
+ dist1 = p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2];
+ dist2 = p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2];
+ break;
+ case 1:
+ dist1 = p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2];
+ dist2 = p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2];
+ break;
+ case 2:
+ dist1 = p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2];
+ dist2 = p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2];
+ break;
+ case 3:
+ dist1 = p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2];
+ dist2 = p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2];
+ break;
+ case 4:
+ dist1 = p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2];
+ dist2 = p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2];
+ break;
+ case 5:
+ dist1 = p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2];
+ dist2 = p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2];
+ break;
+ case 6:
+ dist1 = p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2];
+ dist2 = p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2];
+ break;
+ case 7:
+ dist1 = p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2];
+ dist2 = p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2];
+ break;
+ default:
+ dist1 = dist2 = 0; // shut up compiler
+ break;
+ }
+
+ sides = 0;
+ if (dist1 >= p->dist)
+ sides = 1;
+ if (dist2 < p->dist)
+ sides |= 2;
+
+ return sides;
+}
+#else
+#pragma warning( disable: 4035 )
+
+__declspec( naked ) int BoxOnPlaneSide (vec3_t emins, vec3_t emaxs, struct cplane_s *p)
+{
+ static int bops_initialized;
+ static int Ljmptab[8];
+
+ __asm {
+
+ push ebx
+
+ cmp bops_initialized, 1
+ je initialized
+ mov bops_initialized, 1
+
+ mov Ljmptab[0*4], offset Lcase0
+ mov Ljmptab[1*4], offset Lcase1
+ mov Ljmptab[2*4], offset Lcase2
+ mov Ljmptab[3*4], offset Lcase3
+ mov Ljmptab[4*4], offset Lcase4
+ mov Ljmptab[5*4], offset Lcase5
+ mov Ljmptab[6*4], offset Lcase6
+ mov Ljmptab[7*4], offset Lcase7
+
+initialized:
+
+ mov edx,dword ptr[4+12+esp]
+ mov ecx,dword ptr[4+4+esp]
+ xor eax,eax
+ mov ebx,dword ptr[4+8+esp]
+ mov al,byte ptr[17+edx]
+ cmp al,8
+ jge Lerror
+ fld dword ptr[0+edx]
+ fld st(0)
+ jmp dword ptr[Ljmptab+eax*4]
+Lcase0:
+ fmul dword ptr[ebx]
+ fld dword ptr[0+4+edx]
+ fxch st(2)
+ fmul dword ptr[ecx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[4+ebx]
+ fld dword ptr[0+8+edx]
+ fxch st(2)
+ fmul dword ptr[4+ecx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[8+ebx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul dword ptr[8+ecx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase1:
+ fmul dword ptr[ecx]
+ fld dword ptr[0+4+edx]
+ fxch st(2)
+ fmul dword ptr[ebx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[4+ebx]
+ fld dword ptr[0+8+edx]
+ fxch st(2)
+ fmul dword ptr[4+ecx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[8+ebx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul dword ptr[8+ecx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase2:
+ fmul dword ptr[ebx]
+ fld dword ptr[0+4+edx]
+ fxch st(2)
+ fmul dword ptr[ecx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[4+ecx]
+ fld dword ptr[0+8+edx]
+ fxch st(2)
+ fmul dword ptr[4+ebx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[8+ebx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul dword ptr[8+ecx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase3:
+ fmul dword ptr[ecx]
+ fld dword ptr[0+4+edx]
+ fxch st(2)
+ fmul dword ptr[ebx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[4+ecx]
+ fld dword ptr[0+8+edx]
+ fxch st(2)
+ fmul dword ptr[4+ebx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[8+ebx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul dword ptr[8+ecx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase4:
+ fmul dword ptr[ebx]
+ fld dword ptr[0+4+edx]
+ fxch st(2)
+ fmul dword ptr[ecx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[4+ebx]
+ fld dword ptr[0+8+edx]
+ fxch st(2)
+ fmul dword ptr[4+ecx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[8+ecx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul dword ptr[8+ebx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase5:
+ fmul dword ptr[ecx]
+ fld dword ptr[0+4+edx]
+ fxch st(2)
+ fmul dword ptr[ebx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[4+ebx]
+ fld dword ptr[0+8+edx]
+ fxch st(2)
+ fmul dword ptr[4+ecx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[8+ecx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul dword ptr[8+ebx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase6:
+ fmul dword ptr[ebx]
+ fld dword ptr[0+4+edx]
+ fxch st(2)
+ fmul dword ptr[ecx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[4+ecx]
+ fld dword ptr[0+8+edx]
+ fxch st(2)
+ fmul dword ptr[4+ebx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[8+ecx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul dword ptr[8+ebx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase7:
+ fmul dword ptr[ecx]
+ fld dword ptr[0+4+edx]
+ fxch st(2)
+ fmul dword ptr[ebx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[4+ecx]
+ fld dword ptr[0+8+edx]
+ fxch st(2)
+ fmul dword ptr[4+ebx]
+ fxch st(2)
+ fld st(0)
+ fmul dword ptr[8+ecx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul dword ptr[8+ebx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+LSetSides:
+ faddp st(2),st(0)
+ fcomp dword ptr[12+edx]
+ xor ecx,ecx
+ fnstsw ax
+ fcomp dword ptr[12+edx]
+ and ah,1
+ xor ah,1
+ add cl,ah
+ fnstsw ax
+ and ah,1
+ add ah,ah
+ add cl,ah
+ pop ebx
+ mov eax,ecx
+ ret
+Lerror:
+ int 3
+ }
+}
+#pragma warning( default: 4035 )
+
+#endif
+#endif
+
+/*
+=================
+RadiusFromBounds
+=================
+*/
+float RadiusFromBounds( const vec3_t mins, const vec3_t maxs ) {
+ int i;
+ vec3_t corner;
+ float a, b;
+
+ for (i=0 ; i<3 ; i++) {
+ a = fabs( mins[i] );
+ b = fabs( maxs[i] );
+ corner[i] = a > b ? a : b;
+ }
+
+ return VectorLength (corner);
+}
+
+
+void ClearBounds( vec3_t mins, vec3_t maxs ) {
+ mins[0] = mins[1] = mins[2] = 99999;
+ maxs[0] = maxs[1] = maxs[2] = -99999;
+}
+
+void AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs ) {
+ if ( v[0] < mins[0] ) {
+ mins[0] = v[0];
+ }
+ if ( v[0] > maxs[0]) {
+ maxs[0] = v[0];
+ }
+
+ if ( v[1] < mins[1] ) {
+ mins[1] = v[1];
+ }
+ if ( v[1] > maxs[1]) {
+ maxs[1] = v[1];
+ }
+
+ if ( v[2] < mins[2] ) {
+ mins[2] = v[2];
+ }
+ if ( v[2] > maxs[2]) {
+ maxs[2] = v[2];
+ }
+}
+
+
+int VectorCompare( const vec3_t v1, const vec3_t v2 ) {
+ if (v1[0] != v2[0] || v1[1] != v2[1] || v1[2] != v2[2]) {
+ return 0;
+ }
+
+ return 1;
+}
+
+
+vec_t VectorNormalize( vec3_t v ) {
+ float length, ilength;
+
+ length = v[0]*v[0] + v[1]*v[1] + v[2]*v[2];
+ length = sqrt (length);
+
+ if ( length ) {
+ ilength = 1/length;
+ v[0] *= ilength;
+ v[1] *= ilength;
+ v[2] *= ilength;
+ }
+
+ return length;
+}
+
+//
+// fast vector normalize routine that does not check to make sure
+// that length != 0, nor does it return length
+//
+void VectorNormalizeFast( vec3_t v )
+{
+ float ilength;
+
+ ilength = Q_rsqrt( DotProduct( v, v ) );
+
+ v[0] *= ilength;
+ v[1] *= ilength;
+ v[2] *= ilength;
+}
+
+vec_t VectorNormalize2( const vec3_t v, vec3_t out) {
+ float length, ilength;
+
+ length = v[0]*v[0] + v[1]*v[1] + v[2]*v[2];
+ length = sqrt (length);
+
+ if (length)
+ {
+ ilength = 1/length;
+ out[0] = v[0]*ilength;
+ out[1] = v[1]*ilength;
+ out[2] = v[2]*ilength;
+ } else {
+ VectorClear( out );
+ }
+
+ return length;
+
+}
+
+void _VectorMA( const vec3_t veca, float scale, const vec3_t vecb, vec3_t vecc) {
+ vecc[0] = veca[0] + scale*vecb[0];
+ vecc[1] = veca[1] + scale*vecb[1];
+ vecc[2] = veca[2] + scale*vecb[2];
+}
+
+
+vec_t _DotProduct( const vec3_t v1, const vec3_t v2 ) {
+ return v1[0]*v2[0] + v1[1]*v2[1] + v1[2]*v2[2];
+}
+
+void _VectorSubtract( const vec3_t veca, const vec3_t vecb, vec3_t out ) {
+ out[0] = veca[0]-vecb[0];
+ out[1] = veca[1]-vecb[1];
+ out[2] = veca[2]-vecb[2];
+}
+
+void _VectorAdd( const vec3_t veca, const vec3_t vecb, vec3_t out ) {
+ out[0] = veca[0]+vecb[0];
+ out[1] = veca[1]+vecb[1];
+ out[2] = veca[2]+vecb[2];
+}
+
+void _VectorCopy( const vec3_t in, vec3_t out ) {
+ out[0] = in[0];
+ out[1] = in[1];
+ out[2] = in[2];
+}
+
+void _VectorScale( const vec3_t in, vec_t scale, vec3_t out ) {
+ out[0] = in[0]*scale;
+ out[1] = in[1]*scale;
+ out[2] = in[2]*scale;
+}
+
+void CrossProduct( const vec3_t v1, const vec3_t v2, vec3_t cross ) {
+ cross[0] = v1[1]*v2[2] - v1[2]*v2[1];
+ cross[1] = v1[2]*v2[0] - v1[0]*v2[2];
+ cross[2] = v1[0]*v2[1] - v1[1]*v2[0];
+}
+
+vec_t VectorLength( const vec3_t v ) {
+ return sqrt (v[0]*v[0] + v[1]*v[1] + v[2]*v[2]);
+}
+
+
+vec_t VectorLengthSquared( const vec3_t v ) {
+ return (v[0]*v[0] + v[1]*v[1] + v[2]*v[2]);
+}
+
+
+vec_t Distance( const vec3_t p1, const vec3_t p2 ) {
+ vec3_t v;
+
+ VectorSubtract (p2, p1, v);
+ return VectorLength( v );
+}
+
+vec_t DistanceSquared( const vec3_t p1, const vec3_t p2 ) {
+ vec3_t v;
+
+ VectorSubtract (p2, p1, v);
+ return v[0]*v[0] + v[1]*v[1] + v[2]*v[2];
+}
+
+
+void VectorInverse( vec3_t v ){
+ v[0] = -v[0];
+ v[1] = -v[1];
+ v[2] = -v[2];
+}
+
+void Vector4Scale( const vec4_t in, vec_t scale, vec4_t out ) {
+ out[0] = in[0]*scale;
+ out[1] = in[1]*scale;
+ out[2] = in[2]*scale;
+ out[3] = in[3]*scale;
+}
+
+
+int Q_log2( int val ) {
+ int answer;
+
+ answer = 0;
+ while ( ( val>>=1 ) != 0 ) {
+ answer++;
+ }
+ return answer;
+}
+
+
+
+/*
+=================
+PlaneTypeForNormal
+=================
+*/
+/*
+int PlaneTypeForNormal (vec3_t normal) {
+ if ( normal[0] == 1.0 )
+ return PLANE_X;
+ if ( normal[1] == 1.0 )
+ return PLANE_Y;
+ if ( normal[2] == 1.0 )
+ return PLANE_Z;
+
+ return PLANE_NON_AXIAL;
+}
+*/
+
+
+/*
+================
+MatrixMultiply
+================
+*/
+void MatrixMultiply(float in1[3][3], float in2[3][3], float out[3][3]) {
+ out[0][0] = in1[0][0] * in2[0][0] + in1[0][1] * in2[1][0] +
+ in1[0][2] * in2[2][0];
+ out[0][1] = in1[0][0] * in2[0][1] + in1[0][1] * in2[1][1] +
+ in1[0][2] * in2[2][1];
+ out[0][2] = in1[0][0] * in2[0][2] + in1[0][1] * in2[1][2] +
+ in1[0][2] * in2[2][2];
+ out[1][0] = in1[1][0] * in2[0][0] + in1[1][1] * in2[1][0] +
+ in1[1][2] * in2[2][0];
+ out[1][1] = in1[1][0] * in2[0][1] + in1[1][1] * in2[1][1] +
+ in1[1][2] * in2[2][1];
+ out[1][2] = in1[1][0] * in2[0][2] + in1[1][1] * in2[1][2] +
+ in1[1][2] * in2[2][2];
+ out[2][0] = in1[2][0] * in2[0][0] + in1[2][1] * in2[1][0] +
+ in1[2][2] * in2[2][0];
+ out[2][1] = in1[2][0] * in2[0][1] + in1[2][1] * in2[1][1] +
+ in1[2][2] * in2[2][1];
+ out[2][2] = in1[2][0] * in2[0][2] + in1[2][1] * in2[1][2] +
+ in1[2][2] * in2[2][2];
+}
+
+
+void AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up) {
+ float angle;
+ static float sr, sp, sy, cr, cp, cy;
+ // static to help MS compiler fp bugs
+
+ angle = angles[YAW] * (M_PI*2 / 360);
+ sy = sin(angle);
+ cy = cos(angle);
+ angle = angles[PITCH] * (M_PI*2 / 360);
+ sp = sin(angle);
+ cp = cos(angle);
+ angle = angles[ROLL] * (M_PI*2 / 360);
+ sr = sin(angle);
+ cr = cos(angle);
+
+ if (forward)
+ {
+ forward[0] = cp*cy;
+ forward[1] = cp*sy;
+ forward[2] = -sp;
+ }
+ if (right)
+ {
+ right[0] = (-1*sr*sp*cy+-1*cr*-sy);
+ right[1] = (-1*sr*sp*sy+-1*cr*cy);
+ right[2] = -1*sr*cp;
+ }
+ if (up)
+ {
+ up[0] = (cr*sp*cy+-sr*-sy);
+ up[1] = (cr*sp*sy+-sr*cy);
+ up[2] = cr*cp;
+ }
+}
+
+/*
+** assumes "src" is normalized
+*/
+void PerpendicularVector( vec3_t dst, const vec3_t src )
+{
+ int pos;
+ int i;
+ float minelem = 1.0F;
+ vec3_t tempvec;
+
+ /*
+ ** find the smallest magnitude axially aligned vector
+ */
+ for ( pos = 0, i = 0; i < 3; i++ )
+ {
+ if ( fabs( src[i] ) < minelem )
+ {
+ pos = i;
+ minelem = fabs( src[i] );
+ }
+ }
+ tempvec[0] = tempvec[1] = tempvec[2] = 0.0F;
+ tempvec[pos] = 1.0F;
+
+ /*
+ ** project the point onto the plane defined by src
+ */
+ ProjectPointOnPlane( dst, tempvec, src );
+
+ /*
+ ** normalize the result
+ */
+ VectorNormalize( dst );
+}
+
+float arccos( float x )
+{
+ return atan2( sqrt( 1.0 - x * x ) / x, x );
+}
+
diff --git a/src/game/q_shared.c b/src/game/q_shared.c
new file mode 100644
index 00000000..3477de84
--- /dev/null
+++ b/src/game/q_shared.c
@@ -0,0 +1,1229 @@
+// Copyright (C) 1999-2000 Id Software, Inc.
+//
+// q_shared.c -- stateless support routines that are included in each code dll
+
+/*
+ * Portions Copyright (C) 2000-2001 Tim Angus
+ *
+ * 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, 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.
+ */
+
+/* To assertain which portions are licensed under the GPL and which are
+ * licensed by Id Software, Inc. please run a diff between the equivalent
+ * versions of the "Tremulous" modification and the unmodified "Quake3"
+ * game source code.
+ */
+
+#include "q_shared.h"
+
+float Com_Clamp( float min, float max, float value ) {
+ if ( value < min ) {
+ return min;
+ }
+ if ( value > max ) {
+ return max;
+ }
+ return value;
+}
+
+
+/*
+============
+COM_SkipPath
+============
+*/
+char *COM_SkipPath (char *pathname)
+{
+ char *last;
+
+ last = pathname;
+ while (*pathname)
+ {
+ if (*pathname=='/')
+ last = pathname+1;
+ pathname++;
+ }
+ return last;
+}
+
+/*
+============
+COM_StripExtension
+============
+*/
+void COM_StripExtension( const char *in, char *out ) {
+ while ( *in && *in != '.' ) {
+ *out++ = *in++;
+ }
+ *out = 0;
+}
+
+
+/*
+==================
+COM_DefaultExtension
+==================
+*/
+void COM_DefaultExtension (char *path, int maxSize, const char *extension ) {
+ char oldPath[MAX_QPATH];
+ char *src;
+
+//
+// if path doesn't have a .EXT, append extension
+// (extension should include the .)
+//
+ src = path + strlen(path) - 1;
+
+ while (*src != '/' && src != path) {
+ if ( *src == '.' ) {
+ return; // it has an extension
+ }
+ src--;
+ }
+
+ Q_strncpyz( oldPath, path, sizeof( oldPath ) );
+ Com_sprintf( path, maxSize, "%s%s", oldPath, extension );
+}
+
+/*
+============================================================================
+
+ BYTE ORDER FUNCTIONS
+
+============================================================================
+*/
+
+// can't just use function pointers, or dll linkage can
+// mess up when qcommon is included in multiple places
+static short (*_BigShort) (short l);
+static short (*_LittleShort) (short l);
+static int (*_BigLong) (int l);
+static int (*_LittleLong) (int l);
+static qint64 (*_BigLong64) (qint64 l);
+static qint64 (*_LittleLong64) (qint64 l);
+static float (*_BigFloat) (float l);
+static float (*_LittleFloat) (float l);
+
+short BigShort(short l){return _BigShort(l);}
+short LittleShort(short l) {return _LittleShort(l);}
+int BigLong (int l) {return _BigLong(l);}
+int LittleLong (int l) {return _LittleLong(l);}
+qint64 BigLong64 (qint64 l) {return _BigLong64(l);}
+qint64 LittleLong64 (qint64 l) {return _LittleLong64(l);}
+float BigFloat (float l) {return _BigFloat(l);}
+float LittleFloat (float l) {return _LittleFloat(l);}
+
+short ShortSwap (short l)
+{
+ byte b1,b2;
+
+ b1 = l&255;
+ b2 = (l>>8)&255;
+
+ return (b1<<8) + b2;
+}
+
+short ShortNoSwap (short l)
+{
+ return l;
+}
+
+int LongSwap (int l)
+{
+ byte b1,b2,b3,b4;
+
+ b1 = l&255;
+ b2 = (l>>8)&255;
+ b3 = (l>>16)&255;
+ b4 = (l>>24)&255;
+
+ return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
+}
+
+int LongNoSwap (int l)
+{
+ return l;
+}
+
+qint64 Long64Swap (qint64 ll)
+{
+ qint64 result;
+
+ result.b0 = ll.b7;
+ result.b1 = ll.b6;
+ result.b2 = ll.b5;
+ result.b3 = ll.b4;
+ result.b4 = ll.b3;
+ result.b5 = ll.b2;
+ result.b6 = ll.b1;
+ result.b7 = ll.b0;
+
+ return result;
+}
+
+qint64 Long64NoSwap (qint64 ll)
+{
+ return ll;
+}
+
+
+float FloatSwap (float f)
+{
+ union
+ {
+ float f;
+ byte b[4];
+ } dat1, dat2;
+
+
+ dat1.f = f;
+ dat2.b[0] = dat1.b[3];
+ dat2.b[1] = dat1.b[2];
+ dat2.b[2] = dat1.b[1];
+ dat2.b[3] = dat1.b[0];
+ return dat2.f;
+}
+
+float FloatNoSwap (float f)
+{
+ return f;
+}
+
+/*
+================
+Swap_Init
+================
+*/
+void Swap_Init (void)
+{
+ byte swaptest[2] = {1,0};
+
+// set the byte swapping variables in a portable manner
+ if ( *(short *)swaptest == 1)
+ {
+ _BigShort = ShortSwap;
+ _LittleShort = ShortNoSwap;
+ _BigLong = LongSwap;
+ _LittleLong = LongNoSwap;
+ _BigLong64 = Long64Swap;
+ _LittleLong64 = Long64NoSwap;
+ _BigFloat = FloatSwap;
+ _LittleFloat = FloatNoSwap;
+ }
+ else
+ {
+ _BigShort = ShortNoSwap;
+ _LittleShort = ShortSwap;
+ _BigLong = LongNoSwap;
+ _LittleLong = LongSwap;
+ _BigLong64 = Long64NoSwap;
+ _LittleLong64 = Long64Swap;
+ _BigFloat = FloatNoSwap;
+ _LittleFloat = FloatSwap;
+ }
+
+}
+
+
+/*
+============================================================================
+
+PARSING
+
+============================================================================
+*/
+
+static char com_token[MAX_TOKEN_CHARS];
+static char com_parsename[MAX_TOKEN_CHARS];
+static int com_lines;
+
+void COM_BeginParseSession( const char *name )
+{
+ com_lines = 0;
+ Com_sprintf(com_parsename, sizeof(com_parsename), "%s", name);
+}
+
+int COM_GetCurrentParseLine( void )
+{
+ return com_lines;
+}
+
+char *COM_Parse( char **data_p )
+{
+ return COM_ParseExt( data_p, qtrue );
+}
+
+
+void COM_ParseError( char *format, ... )
+{
+ va_list argptr;
+ static char string[4096];
+
+ va_start (argptr, format);
+ vsprintf (string, format, argptr);
+ va_end (argptr);
+
+ Com_Printf("ERROR: %s, line %d: %s\n", com_parsename, com_lines, string);
+}
+
+void COM_ParseWarning( char *format, ... )
+{
+ va_list argptr;
+ static char string[4096];
+
+ va_start (argptr, format);
+ vsprintf (string, format, argptr);
+ va_end (argptr);
+
+ Com_Printf("WARNING: %s, line %d: %s\n", com_parsename, com_lines, string);
+}
+
+
+/*
+==============
+COM_Parse
+
+Parse a token out of a string
+Will never return NULL, just empty strings
+
+If "allowLineBreaks" is qtrue then an empty
+string will be returned if the next token is
+a newline.
+==============
+*/
+static char *SkipWhitespace( char *data, qboolean *hasNewLines ) {
+ int c;
+
+ while( (c = *data) <= ' ') {
+ if( !c ) {
+ return NULL;
+ }
+ if( c == '\n' ) {
+ com_lines++;
+ *hasNewLines = qtrue;
+ }
+ data++;
+ }
+
+ return data;
+}
+
+
+int COM_Compress( char *data_p ) {
+ char *datai, *datao;
+ int c, pc, size;
+ qboolean ws = qfalse;
+
+ size = 0;
+ pc = 0;
+ datai = datao = data_p;
+ if (datai) {
+ while ((c = *datai) != 0) {
+ if (c == 13 || c == 10) {
+ *datao = c;
+ datao++;
+ ws = qfalse;
+ pc = c;
+ datai++;
+ size++;
+ // skip double slash comments
+ } else if ( c == '/' && datai[1] == '/' ) {
+ while (*datai && *datai != '\n') {
+ datai++;
+ }
+ ws = qfalse;
+ // skip /* */ comments
+ } else if ( c=='/' && datai[1] == '*' ) {
+ while ( *datai && ( *datai != '*' || datai[1] != '/' ) )
+ {
+ datai++;
+ }
+ if ( *datai )
+ {
+ datai += 2;
+ }
+ ws = qfalse;
+ } else {
+ if (ws) {
+ *datao = ' ';
+ datao++;
+ }
+ *datao = c;
+ datao++;
+ datai++;
+ ws = qfalse;
+ pc = c;
+ size++;
+ }
+ }
+ }
+ *datao = 0;
+ return size;
+}
+
+
+char *COM_ParseExt( char **data_p, qboolean allowLineBreaks )
+{
+ int c = 0, len;
+ qboolean hasNewLines = qfalse;
+ char *data;
+
+ data = *data_p;
+ len = 0;
+ com_token[0] = 0;
+
+ // make sure incoming data is valid
+ if ( !data )
+ {
+ *data_p = NULL;
+ return com_token;
+ }
+
+ while ( 1 )
+ {
+ // skip whitespace
+ data = SkipWhitespace( data, &hasNewLines );
+ if ( !data )
+ {
+ *data_p = NULL;
+ return com_token;
+ }
+ if ( hasNewLines && !allowLineBreaks )
+ {
+ *data_p = data;
+ return com_token;
+ }
+
+ c = *data;
+
+ // skip double slash comments
+ if ( c == '/' && data[1] == '/' )
+ {
+ data += 2;
+ while (*data && *data != '\n') {
+ data++;
+ }
+ }
+ // skip /* */ comments
+ else if ( c=='/' && data[1] == '*' )
+ {
+ data += 2;
+ while ( *data && ( *data != '*' || data[1] != '/' ) )
+ {
+ data++;
+ }
+ if ( *data )
+ {
+ data += 2;
+ }
+ }
+ else
+ {
+ break;
+ }
+ }
+
+ // handle quoted strings
+ if (c == '\"')
+ {
+ data++;
+ while (1)
+ {
+ c = *data++;
+ if (c=='\"' || !c)
+ {
+ com_token[len] = 0;
+ *data_p = ( char * ) data;
+ return com_token;
+ }
+ if (len < MAX_TOKEN_CHARS)
+ {
+ com_token[len] = c;
+ len++;
+ }
+ }
+ }
+
+ // parse a regular word
+ do
+ {
+ if (len < MAX_TOKEN_CHARS)
+ {
+ com_token[len] = c;
+ len++;
+ }
+ data++;
+ c = *data;
+ if ( c == '\n' )
+ com_lines++;
+ } while (c>32);
+
+ if (len == MAX_TOKEN_CHARS)
+ {
+// Com_Printf ("Token exceeded %i chars, discarded.\n", MAX_TOKEN_CHARS);
+ len = 0;
+ }
+ com_token[len] = 0;
+
+ *data_p = ( char * ) data;
+ return com_token;
+}
+
+
+#if 0
+// no longer used
+/*
+===============
+COM_ParseInfos
+===============
+*/
+int COM_ParseInfos( char *buf, int max, char infos[][MAX_INFO_STRING] ) {
+ char *token;
+ int count;
+ char key[MAX_TOKEN_CHARS];
+
+ count = 0;
+
+ while ( 1 ) {
+ token = COM_Parse( &buf );
+ if ( !token[0] ) {
+ break;
+ }
+ if ( strcmp( token, "{" ) ) {
+ Com_Printf( "Missing { in info file\n" );
+ break;
+ }
+
+ if ( count == max ) {
+ Com_Printf( "Max infos exceeded\n" );
+ break;
+ }
+
+ infos[count][0] = 0;
+ while ( 1 ) {
+ token = COM_ParseExt( &buf, qtrue );
+ if ( !token[0] ) {
+ Com_Printf( "Unexpected end of info file\n" );
+ break;
+ }
+ if ( !strcmp( token, "}" ) ) {
+ break;
+ }
+ Q_strncpyz( key, token, sizeof( key ) );
+
+ token = COM_ParseExt( &buf, qfalse );
+ if ( !token[0] ) {
+ strcpy( token, "<NULL>" );
+ }
+ Info_SetValueForKey( infos[count], key, token );
+ }
+ count++;
+ }
+
+ return count;
+}
+#endif
+
+
+/*
+==================
+COM_MatchToken
+==================
+*/
+void COM_MatchToken( char **buf_p, char *match ) {
+ char *token;
+
+ token = COM_Parse( buf_p );
+ if ( strcmp( token, match ) ) {
+ Com_Error( ERR_DROP, "MatchToken: %s != %s", token, match );
+ }
+}
+
+
+/*
+=================
+SkipBracedSection
+
+The next token should be an open brace.
+Skips until a matching close brace is found.
+Internal brace depths are properly skipped.
+=================
+*/
+void SkipBracedSection (char **program) {
+ char *token;
+ int depth;
+
+ depth = 0;
+ do {
+ token = COM_ParseExt( program, qtrue );
+ if( token[1] == 0 ) {
+ if( token[0] == '{' ) {
+ depth++;
+ }
+ else if( token[0] == '}' ) {
+ depth--;
+ }
+ }
+ } while( depth && *program );
+}
+
+/*
+=================
+SkipRestOfLine
+=================
+*/
+void SkipRestOfLine ( char **data ) {
+ char *p;
+ int c;
+
+ p = *data;
+ while ( (c = *p++) != 0 ) {
+ if ( c == '\n' ) {
+ com_lines++;
+ break;
+ }
+ }
+
+ *data = p;
+}
+
+
+void Parse1DMatrix (char **buf_p, int x, float *m) {
+ char *token;
+ int i;
+
+ COM_MatchToken( buf_p, "(" );
+
+ for (i = 0 ; i < x ; i++) {
+ token = COM_Parse(buf_p);
+ m[i] = atof(token);
+ }
+
+ COM_MatchToken( buf_p, ")" );
+}
+
+void Parse2DMatrix (char **buf_p, int y, int x, float *m) {
+ int i;
+
+ COM_MatchToken( buf_p, "(" );
+
+ for (i = 0 ; i < y ; i++) {
+ Parse1DMatrix (buf_p, x, m + i * x);
+ }
+
+ COM_MatchToken( buf_p, ")" );
+}
+
+void Parse3DMatrix (char **buf_p, int z, int y, int x, float *m) {
+ int i;
+
+ COM_MatchToken( buf_p, "(" );
+
+ for (i = 0 ; i < z ; i++) {
+ Parse2DMatrix (buf_p, y, x, m + i * x*y);
+ }
+
+ COM_MatchToken( buf_p, ")" );
+}
+
+
+/*
+============================================================================
+
+ LIBRARY REPLACEMENT FUNCTIONS
+
+============================================================================
+*/
+
+int Q_isprint( int c )
+{
+ if ( c >= 0x20 && c <= 0x7E )
+ return ( 1 );
+ return ( 0 );
+}
+
+int Q_islower( int c )
+{
+ if (c >= 'a' && c <= 'z')
+ return ( 1 );
+ return ( 0 );
+}
+
+int Q_isupper( int c )
+{
+ if (c >= 'A' && c <= 'Z')
+ return ( 1 );
+ return ( 0 );
+}
+
+int Q_isalpha( int c )
+{
+ if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
+ return ( 1 );
+ return ( 0 );
+}
+
+char* Q_strrchr( const char* string, int c )
+{
+ char cc = c;
+ char *s;
+ char *sp=(char *)0;
+
+ s = (char*)string;
+
+ while (*s)
+ {
+ if (*s == cc)
+ sp = s;
+ s++;
+ }
+ if (cc == 0)
+ sp = s;
+
+ return sp;
+}
+
+/*
+=============
+Q_strncpyz
+
+Safe strncpy that ensures a trailing zero
+=============
+*/
+void Q_strncpyz( char *dest, const char *src, int destsize ) {
+ if ( !src ) {
+ Com_Error( ERR_FATAL, "Q_strncpyz: NULL src" );
+ }
+ if ( destsize < 1 ) {
+ Com_Error(ERR_FATAL,"Q_strncpyz: destsize < 1" );
+ }
+
+ strncpy( dest, src, destsize-1 );
+ dest[destsize-1] = 0;
+}
+
+int Q_stricmpn (const char *s1, const char *s2, int n) {
+ int c1, c2;
+
+ do {
+ c1 = *s1++;
+ c2 = *s2++;
+
+ if (!n--) {
+ return 0; // strings are equal until end point
+ }
+
+ if (c1 != c2) {
+ if (c1 >= 'a' && c1 <= 'z') {
+ c1 -= ('a' - 'A');
+ }
+ if (c2 >= 'a' && c2 <= 'z') {
+ c2 -= ('a' - 'A');
+ }
+ if (c1 != c2) {
+ return c1 < c2 ? -1 : 1;
+ }
+ }
+ } while (c1);
+
+ return 0; // strings are equal
+}
+
+int Q_strncmp (const char *s1, const char *s2, int n) {
+ int c1, c2;
+
+ do {
+ c1 = *s1++;
+ c2 = *s2++;
+
+ if (!n--) {
+ return 0; // strings are equal until end point
+ }
+
+ if (c1 != c2) {
+ return c1 < c2 ? -1 : 1;
+ }
+ } while (c1);
+
+ return 0; // strings are equal
+}
+
+int Q_stricmp (const char *s1, const char *s2) {
+ return (s1 && s2) ? Q_stricmpn (s1, s2, 99999) : -1;
+}
+
+
+char *Q_strlwr( char *s1 ) {
+ char *s;
+
+ s = s1;
+ while ( *s ) {
+ *s = tolower(*s);
+ s++;
+ }
+ return s1;
+}
+
+char *Q_strupr( char *s1 ) {
+ char *s;
+
+ s = s1;
+ while ( *s ) {
+ *s = toupper(*s);
+ s++;
+ }
+ return s1;
+}
+
+
+// never goes past bounds or leaves without a terminating 0
+void Q_strcat( char *dest, int size, const char *src ) {
+ int l1;
+
+ l1 = strlen( dest );
+ if ( l1 >= size ) {
+ Com_Error( ERR_FATAL, "Q_strcat: already overflowed" );
+ }
+ Q_strncpyz( dest + l1, src, size - l1 );
+}
+
+
+int Q_PrintStrlen( const char *string ) {
+ int len;
+ const char *p;
+
+ if( !string ) {
+ return 0;
+ }
+
+ len = 0;
+ p = string;
+ while( *p ) {
+ if( Q_IsColorString( p ) ) {
+ p += 2;
+ continue;
+ }
+ p++;
+ len++;
+ }
+
+ return len;
+}
+
+
+char *Q_CleanStr( char *string ) {
+ char* d;
+ char* s;
+ int c;
+
+ s = string;
+ d = string;
+ while ((c = *s) != 0 ) {
+ if ( Q_IsColorString( s ) ) {
+ s++;
+ }
+ else if ( c >= 0x20 && c <= 0x7E ) {
+ *d++ = c;
+ }
+ s++;
+ }
+ *d = '\0';
+
+ return string;
+}
+
+
+void QDECL Com_sprintf( char *dest, int size, const char *fmt, ...) {
+ int len;
+ va_list argptr;
+ char bigbuffer[32000]; // big, but small enough to fit in PPC stack
+
+ va_start (argptr,fmt);
+ len = vsprintf (bigbuffer,fmt,argptr);
+ va_end (argptr);
+ if ( len >= sizeof( bigbuffer ) ) {
+ Com_Error( ERR_FATAL, "Com_sprintf: overflowed bigbuffer" );
+ }
+ if (len >= size) {
+ Com_Printf ("Com_sprintf: overflow of %i in %i\n", len, size);
+ }
+ Q_strncpyz (dest, bigbuffer, size );
+}
+
+
+/*
+============
+va
+
+does a varargs printf into a temp buffer, so I don't need to have
+varargs versions of all text functions.
+FIXME: make this buffer size safe someday
+============
+*/
+char * QDECL va( char *format, ... ) {
+ va_list argptr;
+ static char string[2][32000]; // in case va is called by nested functions
+ static int index = 0;
+ char *buf;
+
+ buf = string[index & 1];
+ index++;
+
+ va_start (argptr, format);
+ vsprintf (buf, format,argptr);
+ va_end (argptr);
+
+ return buf;
+}
+
+
+/*
+=====================================================================
+
+ INFO STRINGS
+
+=====================================================================
+*/
+
+/*
+===============
+Info_ValueForKey
+
+Searches the string for the given
+key and returns the associated value, or an empty string.
+FIXME: overflow check?
+===============
+*/
+char *Info_ValueForKey( const char *s, const char *key ) {
+ char pkey[BIG_INFO_KEY];
+ static char value[2][BIG_INFO_VALUE]; // use two buffers so compares
+ // work without stomping on each other
+ static int valueindex = 0;
+ char *o;
+
+ if ( !s || !key ) {
+ return "";
+ }
+
+ if ( strlen( s ) >= BIG_INFO_STRING ) {
+ Com_Error( ERR_DROP, "Info_ValueForKey: oversize infostring" );
+ }
+
+ valueindex ^= 1;
+ if (*s == '\\')
+ s++;
+ while (1)
+ {
+ o = pkey;
+ while (*s != '\\')
+ {
+ if (!*s)
+ return "";
+ *o++ = *s++;
+ }
+ *o = 0;
+ s++;
+
+ o = value[valueindex];
+
+ while (*s != '\\' && *s)
+ {
+ *o++ = *s++;
+ }
+ *o = 0;
+
+ if (!Q_stricmp (key, pkey) )
+ return value[valueindex];
+
+ if (!*s)
+ break;
+ s++;
+ }
+
+ return "";
+}
+
+
+/*
+===================
+Info_NextPair
+
+Used to itterate through all the key/value pairs in an info string
+===================
+*/
+void Info_NextPair( const char **head, char *key, char *value ) {
+ char *o;
+ const char *s;
+
+ s = *head;
+
+ if ( *s == '\\' ) {
+ s++;
+ }
+ key[0] = 0;
+ value[0] = 0;
+
+ o = key;
+ while ( *s != '\\' ) {
+ if ( !*s ) {
+ *o = 0;
+ *head = s;
+ return;
+ }
+ *o++ = *s++;
+ }
+ *o = 0;
+ s++;
+
+ o = value;
+ while ( *s != '\\' && *s ) {
+ *o++ = *s++;
+ }
+ *o = 0;
+
+ *head = s;
+}
+
+
+/*
+===================
+Info_RemoveKey
+===================
+*/
+void Info_RemoveKey( char *s, const char *key ) {
+ char *start;
+ char pkey[MAX_INFO_KEY];
+ char value[MAX_INFO_VALUE];
+ char *o;
+
+ if ( strlen( s ) >= MAX_INFO_STRING ) {
+ Com_Error( ERR_DROP, "Info_RemoveKey: oversize infostring" );
+ }
+
+ if (strchr (key, '\\')) {
+ return;
+ }
+
+ while (1)
+ {
+ start = s;
+ if (*s == '\\')
+ s++;
+ o = pkey;
+ while (*s != '\\')
+ {
+ if (!*s)
+ return;
+ *o++ = *s++;
+ }
+ *o = 0;
+ s++;
+
+ o = value;
+ while (*s != '\\' && *s)
+ {
+ if (!*s)
+ return;
+ *o++ = *s++;
+ }
+ *o = 0;
+
+ if (!strcmp (key, pkey) )
+ {
+ strcpy (start, s); // remove this part
+ return;
+ }
+
+ if (!*s)
+ return;
+ }
+
+}
+
+
+/*
+===================
+Info_RemoveKey_Big
+===================
+*/
+void Info_RemoveKey_Big( char *s, const char *key ) {
+ char *start;
+ char pkey[BIG_INFO_KEY];
+ char value[BIG_INFO_VALUE];
+ char *o;
+
+ if ( strlen( s ) >= BIG_INFO_STRING ) {
+ Com_Error( ERR_DROP, "Info_RemoveKey_Big: oversize infostring" );
+ }
+
+ if (strchr (key, '\\')) {
+ return;
+ }
+
+ while (1)
+ {
+ start = s;
+ if (*s == '\\')
+ s++;
+ o = pkey;
+ while (*s != '\\')
+ {
+ if (!*s)
+ return;
+ *o++ = *s++;
+ }
+ *o = 0;
+ s++;
+
+ o = value;
+ while (*s != '\\' && *s)
+ {
+ if (!*s)
+ return;
+ *o++ = *s++;
+ }
+ *o = 0;
+
+ if (!strcmp (key, pkey) )
+ {
+ strcpy (start, s); // remove this part
+ return;
+ }
+
+ if (!*s)
+ return;
+ }
+
+}
+
+
+/*
+==================
+Info_Validate
+
+Some characters are illegal in info strings because they
+can mess up the server's parsing
+==================
+*/
+qboolean Info_Validate( const char *s ) {
+ if ( strchr( s, '\"' ) ) {
+ return qfalse;
+ }
+ if ( strchr( s, ';' ) ) {
+ return qfalse;
+ }
+ return qtrue;
+}
+
+/*
+==================
+Info_SetValueForKey
+
+Changes or adds a key/value pair
+==================
+*/
+void Info_SetValueForKey( char *s, const char *key, const char *value ) {
+ char newi[MAX_INFO_STRING];
+
+ if ( strlen( s ) >= MAX_INFO_STRING ) {
+ Com_Error( ERR_DROP, "Info_SetValueForKey: oversize infostring" );
+ }
+
+ if (strchr (key, '\\') || strchr (value, '\\'))
+ {
+ Com_Printf ("Can't use keys or values with a \\\n");
+ return;
+ }
+
+ if (strchr (key, ';') || strchr (value, ';'))
+ {
+ Com_Printf ("Can't use keys or values with a semicolon\n");
+ return;
+ }
+
+ if (strchr (key, '\"') || strchr (value, '\"'))
+ {
+ Com_Printf ("Can't use keys or values with a \"\n");
+ return;
+ }
+
+ Info_RemoveKey (s, key);
+ if (!value || !strlen(value))
+ return;
+
+ Com_sprintf (newi, sizeof(newi), "\\%s\\%s", key, value);
+
+ if (strlen(newi) + strlen(s) > MAX_INFO_STRING)
+ {
+ Com_Printf ("Info string length exceeded\n");
+ return;
+ }
+
+ strcat (s, newi);
+}
+
+//====================================================================
+
+
+/*
+==================
+Info_SetValueForKey_Big
+
+Changes or adds a key/value pair
+==================
+*/
+void Info_SetValueForKey_Big( char *s, const char *key, const char *value ) {
+ char newi[BIG_INFO_STRING];
+
+ if ( strlen( s ) >= BIG_INFO_STRING ) {
+ Com_Error( ERR_DROP, "Info_SetValueForKey: oversize infostring" );
+ }
+
+ if (strchr (key, '\\') || strchr (value, '\\'))
+ {
+ Com_Printf ("Can't use keys or values with a \\\n");
+ return;
+ }
+
+ if (strchr (key, ';') || strchr (value, ';'))
+ {
+ Com_Printf ("Can't use keys or values with a semicolon\n");
+ return;
+ }
+
+ if (strchr (key, '\"') || strchr (value, '\"'))
+ {
+ Com_Printf ("Can't use keys or values with a \"\n");
+ return;
+ }
+
+ Info_RemoveKey_Big (s, key);
+ if (!value || !strlen(value))
+ return;
+
+ Com_sprintf (newi, sizeof(newi), "\\%s\\%s", key, value);
+
+ if (strlen(newi) + strlen(s) > BIG_INFO_STRING)
+ {
+ Com_Printf ("BIG Info string length exceeded\n");
+ return;
+ }
+
+ strcat (s, newi);
+}
+
+
+
+//====================================================================
diff --git a/src/game/q_shared.h b/src/game/q_shared.h
new file mode 100644
index 00000000..b4bc4f23
--- /dev/null
+++ b/src/game/q_shared.h
@@ -0,0 +1,1206 @@
+// Copyright (C) 1999-2000 Id Software, Inc.
+//
+
+/*
+ * Portions Copyright (C) 2000-2001 Tim Angus
+ *
+ * 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, 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.
+ */
+
+/* To assertain which portions are licensed under the GPL and which are
+ * licensed by Id Software, Inc. please run a diff between the equivalent
+ * versions of the "Tremulous" modification and the unmodified "Quake3"
+ * game source code.
+ */
+
+#ifndef __Q_SHARED_H
+#define __Q_SHARED_H
+
+// q_shared.h -- included first by ALL program modules.
+// A user mod should never modify this file
+
+#define Q3_VERSION "Q3 1.27g"
+
+
+#define NEW_ANIMS
+#define MAX_TEAMNAME 32
+
+#ifdef _WIN32
+
+#pragma warning(disable : 4018) // signed/unsigned mismatch
+#pragma warning(disable : 4032)
+#pragma warning(disable : 4051)
+#pragma warning(disable : 4057) // slightly different base types
+#pragma warning(disable : 4100) // unreferenced formal parameter
+#pragma warning(disable : 4115)
+#pragma warning(disable : 4125) // decimal digit terminates octal escape sequence
+#pragma warning(disable : 4127) // conditional expression is constant
+#pragma warning(disable : 4136)
+#pragma warning(disable : 4152) // nonstandard extension, function/data pointer conversion in expression
+//#pragma warning(disable : 4201)
+//#pragma warning(disable : 4214)
+#pragma warning(disable : 4244)
+#pragma warning(disable : 4142) // benign redefinition
+//#pragma warning(disable : 4305) // truncation from const double to float
+//#pragma warning(disable : 4310) // cast truncates constant value
+//#pragma warning(disable: 4505) // unreferenced local function has been removed
+#pragma warning(disable : 4514)
+#pragma warning(disable : 4702) // unreachable code
+#pragma warning(disable : 4711) // selected for automatic inline expansion
+#pragma warning(disable : 4220) // varargs matches remaining parameters
+#endif
+
+#if defined(ppc) || defined(__ppc) || defined(__ppc__) || defined(__POWERPC__)
+#define idppc 1
+#endif
+
+/**********************************************************************
+ VM Considerations
+
+ The VM can not use the standard system headers because we aren't really
+ using the compiler they were meant for. We use bg_lib.h which contains
+ prototypes for the functions we define for our own use in bg_lib.c.
+
+ When writing mods, please add needed headers HERE, do not start including
+ stuff like <stdio.h> in the various .c files that make up each of the VMs
+ since you will be including system headers files can will have issues.
+
+ Remember, if you use a C library function that is not defined in bg_lib.c,
+ you will have to add your own version for support in the VM.
+
+ **********************************************************************/
+
+#ifdef Q3_VM
+
+#include "bg_lib.h"
+
+#else
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#include <ctype.h>
+#include <limits.h>
+
+#endif
+
+#ifdef _WIN32
+
+//#pragma intrinsic( memset, memcpy )
+
+#endif
+
+
+// this is the define for determining if we have an asm version of a C function
+#if (defined _M_IX86 || defined __i386__) && !defined __sun__ && !defined __LCC__
+#define id386 1
+#else
+#define id386 0
+#endif
+
+// for windows fastcall option
+
+#define QDECL
+
+//======================= WIN32 DEFINES =================================
+
+#ifdef WIN32
+
+#define MAC_STATIC
+
+#undef QDECL
+#define QDECL __cdecl
+
+// buildstring will be incorporated into the version string
+#ifdef NDEBUG
+#ifdef _M_IX86
+#define CPUSTRING "win-x86"
+#elif defined _M_ALPHA
+#define CPUSTRING "win-AXP"
+#endif
+#else
+#ifdef _M_IX86
+#define CPUSTRING "win-x86-debug"
+#elif defined _M_ALPHA
+#define CPUSTRING "win-AXP-debug"
+#endif
+#endif
+
+
+#define PATH_SEP '\\'
+
+#endif
+
+//======================= MAC OS X SERVER DEFINES =====================
+
+#if defined(__MACH__) && defined(__APPLE__)
+
+#define MAC_STATIC
+
+#ifdef __ppc__
+#define CPUSTRING "MacOSXS-ppc"
+#elif defined __i386__
+#define CPUSTRING "MacOSXS-i386"
+#else
+#define CPUSTRING "MacOSXS-other"
+#endif
+
+#define PATH_SEP '/'
+
+#define GAME_HARD_LINKED
+#define CGAME_HARD_LINKED
+#define UI_HARD_LINKED
+#define BOTLIB_HARD_LINKED
+
+#endif
+
+//======================= MAC DEFINES =================================
+
+#ifdef __MACOS__
+
+#include <MacTypes.h>
+
+#define MAC_STATIC static
+
+#define CPUSTRING "MacOS-PPC"
+
+#define PATH_SEP ':'
+
+#define GAME_HARD_LINKED
+#define CGAME_HARD_LINKED
+#define UI_HARD_LINKED
+#define BOTLIB_HARD_LINKED
+
+void Sys_PumpEvents( void );
+
+#endif
+
+//======================= LINUX DEFINES =================================
+
+// the mac compiler can't handle >32k of locals, so we
+// just waste space and make big arrays static...
+#ifdef __linux__
+
+#define MAC_STATIC
+
+#ifdef __i386__
+#define CPUSTRING "linux-i386"
+#elif defined __axp__
+#define CPUSTRING "linux-alpha"
+#else
+#define CPUSTRING "linux-other"
+#endif
+
+#define PATH_SEP '/'
+
+#endif
+
+//=============================================================
+
+
+typedef unsigned char byte;
+
+typedef enum {qfalse, qtrue} qboolean;
+
+typedef int qhandle_t;
+typedef int sfxHandle_t;
+typedef int fileHandle_t;
+typedef int clipHandle_t;
+
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+#define MAX_QINT 0x7fffffff
+#define MIN_QINT (-MAX_QINT-1)
+
+
+// angle indexes
+#define PITCH 0 // up / down
+#define YAW 1 // left / right
+#define ROLL 2 // fall over
+
+// the game guarantees that no string from the network will ever
+// exceed MAX_STRING_CHARS
+#define MAX_STRING_CHARS 1024 // max length of a string passed to Cmd_TokenizeString
+#define MAX_STRING_TOKENS 256 // max tokens resulting from Cmd_TokenizeString
+#define MAX_TOKEN_CHARS 1024 // max length of an individual token
+
+#define MAX_INFO_STRING 1024
+#define MAX_INFO_KEY 1024
+#define MAX_INFO_VALUE 1024
+
+#define BIG_INFO_STRING 8192 // used for system info key only
+#define BIG_INFO_KEY 8192
+#define BIG_INFO_VALUE 8192
+
+#define MAX_QPATH 64 // max length of a quake game pathname
+#define MAX_OSPATH 256 // max length of a filesystem pathname
+
+#define MAX_NAME_LENGTH 32 // max length of a client name
+
+#define MAX_SAY_TEXT 150
+
+// paramters for command buffer stuffing
+typedef enum {
+ EXEC_NOW, // don't return until completed, a VM should NEVER use this,
+ // because some commands might cause the VM to be unloaded...
+ EXEC_INSERT, // insert at current position, but don't run yet
+ EXEC_APPEND // add to end of the command buffer (normal case)
+} cbufExec_t;
+
+
+//
+// these aren't needed by any of the VMs. put in another header?
+//
+#define MAX_MAP_AREA_BYTES 32 // bit vector of area visibility
+
+
+// print levels from renderer (FIXME: set up for game / cgame?)
+typedef enum {
+ PRINT_ALL,
+ PRINT_DEVELOPER, // only print when "developer 1"
+ PRINT_WARNING,
+ PRINT_ERROR
+} printParm_t;
+
+#ifdef ERR_FATAL
+#undef ERR_FATAL // this is be defined in malloc.h
+#endif
+
+// parameters to the main Error routine
+typedef enum {
+ ERR_FATAL, // exit the entire game with a popup window
+ ERR_DROP, // print to console and disconnect from game
+ ERR_SERVERDISCONNECT, // don't kill server
+ ERR_DISCONNECT, // client disconnected from the server
+ ERR_NEED_CD // pop up the need-cd dialog
+} errorParm_t;
+
+
+// font rendering values used by ui and cgame
+
+#define PROP_GAP_WIDTH 3
+#define PROP_SPACE_WIDTH 8
+#define PROP_HEIGHT 27
+#define PROP_SMALL_SIZE_SCALE 0.75
+
+#define BLINK_DIVISOR 200
+#define PULSE_DIVISOR 75
+
+#define UI_LEFT 0x00000000 // default
+#define UI_CENTER 0x00000001
+#define UI_RIGHT 0x00000002
+#define UI_FORMATMASK 0x00000007
+#define UI_SMALLFONT 0x00000010
+#define UI_BIGFONT 0x00000020 // default
+#define UI_GIANTFONT 0x00000040
+#define UI_DROPSHADOW 0x00000800
+#define UI_BLINK 0x00001000
+#define UI_INVERSE 0x00002000
+#define UI_PULSE 0x00004000
+
+#if defined(_DEBUG) && !defined(BSPC)
+ #define HUNK_DEBUG
+#endif
+
+typedef enum {
+ h_high,
+ h_low,
+ h_dontcare
+} ha_pref;
+
+#ifdef HUNK_DEBUG
+#define Hunk_Alloc( size, preference ) Hunk_AllocDebug(size, preference, #size, __FILE__, __LINE__)
+void *Hunk_AllocDebug( int size, ha_pref preference, char *label, char *file, int line );
+#else
+void *Hunk_Alloc( int size, ha_pref preference );
+#endif
+
+void Com_Memset (void* dest, const int val, const size_t count);
+void Com_Memcpy (void* dest, const void* src, const size_t count);
+
+#define CIN_system 1
+#define CIN_loop 2
+#define CIN_hold 4
+#define CIN_silent 8
+#define CIN_shader 16
+
+/*
+==============================================================
+
+MATHLIB
+
+==============================================================
+*/
+
+
+typedef float vec_t;
+typedef vec_t vec2_t[2];
+typedef vec_t vec3_t[3];
+typedef vec_t vec4_t[4];
+typedef vec_t vec5_t[5];
+
+typedef int fixed4_t;
+typedef int fixed8_t;
+typedef int fixed16_t;
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846f // matches value in gcc v2 math.h
+#endif
+
+#define NUMVERTEXNORMALS 162
+extern vec3_t bytedirs[NUMVERTEXNORMALS];
+
+// all drawing is done to a 640*480 virtual screen size
+// and will be automatically scaled to the real resolution
+#define SCREEN_WIDTH 640
+#define SCREEN_HEIGHT 480
+
+#define TINYCHAR_WIDTH (SMALLCHAR_WIDTH)
+#define TINYCHAR_HEIGHT (SMALLCHAR_HEIGHT/2)
+
+#define SMALLCHAR_WIDTH 8
+#define SMALLCHAR_HEIGHT 16
+
+#define BIGCHAR_WIDTH 16
+#define BIGCHAR_HEIGHT 16
+
+#define GIANTCHAR_WIDTH 32
+#define GIANTCHAR_HEIGHT 48
+
+extern vec4_t colorBlack;
+extern vec4_t colorRed;
+extern vec4_t colorGreen;
+extern vec4_t colorBlue;
+extern vec4_t colorYellow;
+extern vec4_t colorMagenta;
+extern vec4_t colorCyan;
+extern vec4_t colorWhite;
+extern vec4_t colorLtGrey;
+extern vec4_t colorMdGrey;
+extern vec4_t colorDkGrey;
+
+#define Q_COLOR_ESCAPE '^'
+#define Q_IsColorString(p) ( p && *(p) == Q_COLOR_ESCAPE && *((p)+1) && *((p)+1) != Q_COLOR_ESCAPE )
+
+#define COLOR_BLACK '0'
+#define COLOR_RED '1'
+#define COLOR_GREEN '2'
+#define COLOR_YELLOW '3'
+#define COLOR_BLUE '4'
+#define COLOR_CYAN '5'
+#define COLOR_MAGENTA '6'
+#define COLOR_WHITE '7'
+#define ColorIndex(c) ( ( (c) - '0' ) & 7 )
+
+#define S_COLOR_BLACK "^0"
+#define S_COLOR_RED "^1"
+#define S_COLOR_GREEN "^2"
+#define S_COLOR_YELLOW "^3"
+#define S_COLOR_BLUE "^4"
+#define S_COLOR_CYAN "^5"
+#define S_COLOR_MAGENTA "^6"
+#define S_COLOR_WHITE "^7"
+
+extern vec4_t g_color_table[8];
+
+#define MAKERGB( v, r, g, b ) v[0]=r;v[1]=g;v[2]=b
+#define MAKERGBA( v, r, g, b, a ) v[0]=r;v[1]=g;v[2]=b;v[3]=a
+
+#define DEG2RAD( a ) ( ( (a) * M_PI ) / 180.0F )
+#define RAD2DEG( a ) ( ( (a) * 180.0f ) / M_PI )
+
+struct cplane_s;
+
+extern vec3_t vec3_origin;
+extern vec3_t axisDefault[3];
+
+#define nanmask (255<<23)
+
+#define IS_NAN(x) (((*(int *)&x)&nanmask)==nanmask)
+
+float Q_fabs( float f );
+float Q_rsqrt( float f ); // reciprocal square root
+
+#define SQRTFAST( x ) ( 1.0f / Q_rsqrt( x ) )
+
+signed char ClampChar( int i );
+signed short ClampShort( int i );
+
+// this isn't a real cheap function to call!
+int DirToByte( vec3_t dir );
+void ByteToDir( int b, vec3_t dir );
+
+#if 1
+
+#define DotProduct(x,y) ((x)[0]*(y)[0]+(x)[1]*(y)[1]+(x)[2]*(y)[2])
+#define VectorSubtract(a,b,c) ((c)[0]=(a)[0]-(b)[0],(c)[1]=(a)[1]-(b)[1],(c)[2]=(a)[2]-(b)[2])
+#define VectorAdd(a,b,c) ((c)[0]=(a)[0]+(b)[0],(c)[1]=(a)[1]+(b)[1],(c)[2]=(a)[2]+(b)[2])
+#define VectorCopy(a,b) ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2])
+#define VectorScale(v, s, o) ((o)[0]=(v)[0]*(s),(o)[1]=(v)[1]*(s),(o)[2]=(v)[2]*(s))
+#define VectorMA(v, s, b, o) ((o)[0]=(v)[0]+(b)[0]*(s),(o)[1]=(v)[1]+(b)[1]*(s),(o)[2]=(v)[2]+(b)[2]*(s))
+
+#else
+
+#define DotProduct(x,y) _DotProduct(x,y)
+#define VectorSubtract(a,b,c) _VectorSubtract(a,b,c)
+#define VectorAdd(a,b,c) _VectorAdd(a,b,c)
+#define VectorCopy(a,b) _VectorCopy(a,b)
+#define VectorScale(v, s, o) _VectorScale(v,s,o)
+#define VectorMA(v, s, b, o) _VectorMA(v,s,b,o)
+
+#endif
+
+#ifdef __LCC__
+#ifdef VectorCopy
+#undef VectorCopy
+// this is a little hack to get more efficient copies in our interpreter
+typedef struct {
+ float v[3];
+} vec3struct_t;
+#define VectorCopy(a,b) *(vec3struct_t *)b=*(vec3struct_t *)a;
+#endif
+#endif
+
+#define VectorClear(a) ((a)[0]=(a)[1]=(a)[2]=0)
+#define VectorNegate(a,b) ((b)[0]=-(a)[0],(b)[1]=-(a)[1],(b)[2]=-(a)[2])
+#define VectorSet(v, x, y, z) ((v)[0]=(x), (v)[1]=(y), (v)[2]=(z))
+#define Vector4Copy(a,b) ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3])
+
+#define SnapVector(v) {v[0]=((int)(v[0]));v[1]=((int)(v[1]));v[2]=((int)(v[2]));}
+
+// just in case you do't want to use the macros
+vec_t _DotProduct( const vec3_t v1, const vec3_t v2 );
+void _VectorSubtract( const vec3_t veca, const vec3_t vecb, vec3_t out );
+void _VectorAdd( const vec3_t veca, const vec3_t vecb, vec3_t out );
+void _VectorCopy( const vec3_t in, vec3_t out );
+void _VectorScale( const vec3_t in, float scale, vec3_t out );
+void _VectorMA( const vec3_t veca, float scale, const vec3_t vecb, vec3_t vecc );
+
+unsigned ColorBytes3 (float r, float g, float b);
+unsigned ColorBytes4 (float r, float g, float b, float a);
+
+float NormalizeColor( const vec3_t in, vec3_t out );
+
+float RadiusFromBounds( const vec3_t mins, const vec3_t maxs );
+void ClearBounds( vec3_t mins, vec3_t maxs );
+void AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs );
+int VectorCompare( const vec3_t v1, const vec3_t v2 );
+vec_t VectorLength( const vec3_t v );
+vec_t VectorLengthSquared( const vec3_t v );
+vec_t Distance( const vec3_t p1, const vec3_t p2 );
+vec_t DistanceSquared( const vec3_t p1, const vec3_t p2 );
+void CrossProduct( const vec3_t v1, const vec3_t v2, vec3_t cross );
+vec_t VectorNormalize (vec3_t v); // returns vector length
+void VectorNormalizeFast(vec3_t v); // does NOT return vector length, uses rsqrt approximation
+vec_t VectorNormalize2( const vec3_t v, vec3_t out );
+void VectorInverse (vec3_t v);
+void Vector4Scale( const vec4_t in, vec_t scale, vec4_t out );
+void VectorRotate( vec3_t in, vec3_t matrix[3], vec3_t out );
+int Q_log2(int val);
+
+float Q_acos(float c);
+
+int Q_rand( int *seed );
+float Q_random( int *seed );
+float Q_crandom( int *seed );
+
+#define random() ((rand () & 0x7fff) / ((float)0x7fff))
+#define crandom() (2.0 * (random() - 0.5))
+
+void vectoangles( const vec3_t value1, vec3_t angles);
+void AnglesToAxis( const vec3_t angles, vec3_t axis[3] );
+
+void AxisClear( vec3_t axis[3] );
+void AxisCopy( vec3_t in[3], vec3_t out[3] );
+
+void SetPlaneSignbits( struct cplane_s *out );
+int BoxOnPlaneSide (vec3_t emins, vec3_t emaxs, struct cplane_s *plane);
+
+float AngleMod(float a);
+float LerpAngle (float from, float to, float frac);
+float AngleSubtract( float a1, float a2 );
+void AnglesSubtract( vec3_t v1, vec3_t v2, vec3_t v3 );
+
+float AngleNormalize360 ( float angle );
+float AngleNormalize180 ( float angle );
+float AngleDelta ( float angle1, float angle2 );
+
+qboolean PlaneFromPoints( vec4_t plane, const vec3_t a, const vec3_t b, const vec3_t c );
+void ProjectPointOnPlane( vec3_t dst, const vec3_t p, const vec3_t normal );
+void RotatePointAroundVector( vec3_t dst, const vec3_t dir, const vec3_t point, float degrees );
+void RotateAroundDirection( vec3_t axis[3], float yaw );
+void MakeNormalVectors( const vec3_t forward, vec3_t right, vec3_t up );
+// perpendicular vector could be replaced by this
+
+//int PlaneTypeForNormal (vec3_t normal);
+
+void MatrixMultiply(float in1[3][3], float in2[3][3], float out[3][3]);
+void AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up);
+void PerpendicularVector( vec3_t dst, const vec3_t src );
+
+//=============================================
+
+float Com_Clamp( float min, float max, float value );
+
+char *COM_SkipPath( char *pathname );
+void COM_StripExtension( const char *in, char *out );
+void COM_DefaultExtension( char *path, int maxSize, const char *extension );
+
+void COM_BeginParseSession( const char *name );
+int COM_GetCurrentParseLine( void );
+char *COM_Parse( char **data_p );
+char *COM_ParseExt( char **data_p, qboolean allowLineBreak );
+int COM_Compress( char *data_p );
+void COM_ParseError( char *format, ... );
+void COM_ParseWarning( char *format, ... );
+//int COM_ParseInfos( char *buf, int max, char infos[][MAX_INFO_STRING] );
+
+#define MAX_TOKENLENGTH 1024
+
+#ifndef TT_STRING
+//token types
+#define TT_STRING 1 // string
+#define TT_LITERAL 2 // literal
+#define TT_NUMBER 3 // number
+#define TT_NAME 4 // name
+#define TT_PUNCTUATION 5 // punctuation
+#endif
+
+typedef struct pc_token_s
+{
+ int type;
+ int subtype;
+ int intvalue;
+ float floatvalue;
+ char string[MAX_TOKENLENGTH];
+} pc_token_t;
+
+// data is an in/out parm, returns a parsed out token
+
+void COM_MatchToken( char**buf_p, char *match );
+
+void SkipBracedSection (char **program);
+void SkipRestOfLine ( char **data );
+
+void Parse1DMatrix (char **buf_p, int x, float *m);
+void Parse2DMatrix (char **buf_p, int y, int x, float *m);
+void Parse3DMatrix (char **buf_p, int z, int y, int x, float *m);
+
+void QDECL Com_sprintf (char *dest, int size, const char *fmt, ...);
+
+
+// mode parm for FS_FOpenFile
+typedef enum {
+ FS_READ,
+ FS_WRITE,
+ FS_APPEND,
+ FS_APPEND_SYNC
+} fsMode_t;
+
+typedef enum {
+ FS_SEEK_CUR,
+ FS_SEEK_END,
+ FS_SEEK_SET
+} fsOrigin_t;
+
+//=============================================
+
+int Q_isprint( int c );
+int Q_islower( int c );
+int Q_isupper( int c );
+int Q_isalpha( int c );
+
+// portable case insensitive compare
+int Q_stricmp (const char *s1, const char *s2);
+int Q_strncmp (const char *s1, const char *s2, int n);
+int Q_stricmpn (const char *s1, const char *s2, int n);
+char *Q_strlwr( char *s1 );
+char *Q_strupr( char *s1 );
+char *Q_strrchr( const char* string, int c );
+
+// buffer size safe library replacements
+void Q_strncpyz( char *dest, const char *src, int destsize );
+void Q_strcat( char *dest, int size, const char *src );
+
+// strlen that discounts Quake color sequences
+int Q_PrintStrlen( const char *string );
+// removes color sequences from string
+char *Q_CleanStr( char *string );
+
+//=============================================
+
+// 64-bit integers for global rankings interface
+// implemented as a struct for qvm compatibility
+typedef struct
+{
+ byte b0;
+ byte b1;
+ byte b2;
+ byte b3;
+ byte b4;
+ byte b5;
+ byte b6;
+ byte b7;
+} qint64;
+
+//=============================================
+
+short BigShort(short l);
+short LittleShort(short l);
+int BigLong (int l);
+int LittleLong (int l);
+qint64 BigLong64 (qint64 l);
+qint64 LittleLong64 (qint64 l);
+float BigFloat (float l);
+float LittleFloat (float l);
+
+void Swap_Init (void);
+char * QDECL va(char *format, ...);
+
+//=============================================
+
+//
+// key / value info strings
+//
+char *Info_ValueForKey( const char *s, const char *key );
+void Info_RemoveKey( char *s, const char *key );
+void Info_RemoveKey_big( char *s, const char *key );
+void Info_SetValueForKey( char *s, const char *key, const char *value );
+void Info_SetValueForKey_Big( char *s, const char *key, const char *value );
+qboolean Info_Validate( const char *s );
+void Info_NextPair( const char **s, char *key, char *value );
+
+// this is only here so the functions in q_shared.c and bg_*.c can link
+void QDECL Com_Error( int level, const char *error, ... );
+void QDECL Com_Printf( const char *msg, ... );
+
+
+/*
+==========================================================
+
+CVARS (console variables)
+
+Many variables can be used for cheating purposes, so when
+cheats is zero, force all unspecified variables to their
+default values.
+==========================================================
+*/
+
+#define CVAR_ARCHIVE 1 // set to cause it to be saved to vars.rc
+ // used for system variables, not for player
+ // specific configurations
+#define CVAR_USERINFO 2 // sent to server on connect or change
+#define CVAR_SERVERINFO 4 // sent in response to front end requests
+#define CVAR_SYSTEMINFO 8 // these cvars will be duplicated on all clients
+#define CVAR_INIT 16 // don't allow change from console at all,
+ // but can be set from the command line
+#define CVAR_LATCH 32 // will only change when C code next does
+ // a Cvar_Get(), so it can't be changed
+ // without proper initialization. modified
+ // will be set, even though the value hasn't
+ // changed yet
+#define CVAR_ROM 64 // display only, cannot be set by user at all
+#define CVAR_USER_CREATED 128 // created by a set command
+#define CVAR_TEMP 256 // can be set even when cheats are disabled, but is not archived
+#define CVAR_CHEAT 512 // can not be changed if cheats are disabled
+#define CVAR_NORESTART 1024 // do not clear when a cvar_restart is issued
+
+// nothing outside the Cvar_*() functions should modify these fields!
+typedef struct cvar_s {
+ char *name;
+ char *string;
+ char *resetString; // cvar_restart will reset to this value
+ char *latchedString; // for CVAR_LATCH vars
+ int flags;
+ qboolean modified; // set each time the cvar is changed
+ int modificationCount; // incremented each time the cvar is changed
+ float value; // atof( string )
+ int integer; // atoi( string )
+ struct cvar_s *next;
+ struct cvar_s *hashNext;
+} cvar_t;
+
+#define MAX_CVAR_VALUE_STRING 256
+
+typedef int cvarHandle_t;
+
+// the modules that run in the virtual machine can't access the cvar_t directly,
+// so they must ask for structured updates
+typedef struct {
+ cvarHandle_t handle;
+ int modificationCount;
+ float value;
+ int integer;
+ char string[MAX_CVAR_VALUE_STRING];
+} vmCvar_t;
+
+/*
+==============================================================
+
+COLLISION DETECTION
+
+==============================================================
+*/
+
+#include "surfaceflags.h" // shared with the q3map utility
+
+// plane types are used to speed some tests
+// 0-2 are axial planes
+#define PLANE_X 0
+#define PLANE_Y 1
+#define PLANE_Z 2
+#define PLANE_NON_AXIAL 3
+
+/*
+=================
+PlaneTypeForNormal
+=================
+*/
+
+#define PlaneTypeForNormal(x) (x[0] == 1.0 ? PLANE_X : (x[1] == 1.0 ? PLANE_Y : (x[2] == 1.0 ? PLANE_Z : PLANE_NON_AXIAL) ) )
+
+// plane_t structure
+// !!! if this is changed, it must be changed in asm code too !!!
+typedef struct cplane_s {
+ vec3_t normal;
+ float dist;
+ byte type; // for fast side tests: 0,1,2 = axial, 3 = nonaxial
+ byte signbits; // signx + (signy<<1) + (signz<<2), used as lookup during collision
+ byte pad[2];
+} cplane_t;
+
+
+// a trace is returned when a box is swept through the world
+typedef struct {
+ qboolean allsolid; // if true, plane is not valid
+ qboolean startsolid; // if true, the initial point was in a solid area
+ float fraction; // time completed, 1.0 = didn't hit anything
+ vec3_t endpos; // final position
+ cplane_t plane; // surface normal at impact, transformed to world space
+ int surfaceFlags; // surface hit
+ int contents; // contents on other side of surface hit
+ int entityNum; // entity the contacted sirface is a part of
+} trace_t;
+
+// trace->entityNum can also be 0 to (MAX_GENTITIES-1)
+// or ENTITYNUM_NONE, ENTITYNUM_WORLD
+
+
+// markfragments are returned by CM_MarkFragments()
+typedef struct {
+ int firstPoint;
+ int numPoints;
+} markFragment_t;
+
+
+
+typedef struct {
+ vec3_t origin;
+ vec3_t axis[3];
+} orientation_t;
+
+//=====================================================================
+
+
+// in order from highest priority to lowest
+// if none of the catchers are active, bound key strings will be executed
+#define KEYCATCH_CONSOLE 0x0001
+#define KEYCATCH_UI 0x0002
+#define KEYCATCH_MESSAGE 0x0004
+#define KEYCATCH_CGAME 0x0008
+
+// sound channels
+// channel 0 never willingly overrides
+// other channels will allways override a playing sound on that channel
+typedef enum {
+ CHAN_AUTO,
+ CHAN_LOCAL, // menu sounds, etc
+ CHAN_WEAPON,
+ CHAN_VOICE,
+ CHAN_ITEM,
+ CHAN_BODY,
+ CHAN_LOCAL_SOUND, // chat messages, etc
+ CHAN_ANNOUNCER // announcer voices, etc
+} soundChannel_t;
+
+
+/*
+========================================================================
+
+ ELEMENTS COMMUNICATED ACROSS THE NET
+
+========================================================================
+*/
+
+#define ANGLE2SHORT(x) ((int)((x)*65536/360) & 65535)
+#define SHORT2ANGLE(x) ((x)*(360.0/65536))
+
+#define SNAPFLAG_RATE_DELAYED 1
+#define SNAPFLAG_NOT_ACTIVE 2 // snapshot used during connection and for zombies
+#define SNAPFLAG_SERVERCOUNT 4 // toggled every map_restart so transitions can be detected
+
+//
+// per-level limits
+//
+#define MAX_CLIENTS 64 // absolute limit
+#define MAX_LOCATIONS 64
+
+#define GENTITYNUM_BITS 10 // don't need to send any more
+#define MAX_GENTITIES (1<<GENTITYNUM_BITS)
+
+// entitynums are communicated with GENTITY_BITS, so any reserved
+// values thatare going to be communcated over the net need to
+// also be in this range
+#define ENTITYNUM_NONE (MAX_GENTITIES-1)
+#define ENTITYNUM_WORLD (MAX_GENTITIES-2)
+#define ENTITYNUM_MAX_NORMAL (MAX_GENTITIES-2)
+
+
+#define MAX_MODELS 256 // these are sent over the net as 8 bits
+#define MAX_SOUNDS 256 // so they cannot be blindly increased
+
+
+#define MAX_CONFIGSTRINGS 1024
+
+// these are the only configstrings that the system reserves, all the
+// other ones are strictly for servergame to clientgame communication
+#define CS_SERVERINFO 0 // an info string with all the serverinfo cvars
+#define CS_SYSTEMINFO 1 // an info string for server system to client system configuration (timescale, etc)
+
+#define RESERVED_CONFIGSTRINGS 2 // game can't modify below this, only the system can
+
+#define MAX_GAMESTATE_CHARS 16000
+typedef struct {
+ int stringOffsets[MAX_CONFIGSTRINGS];
+ char stringData[MAX_GAMESTATE_CHARS];
+ int dataCount;
+} gameState_t;
+
+//=========================================================
+
+// bit field limits
+#define MAX_STATS 16
+#define MAX_PERSISTANT 16
+#define MAX_POWERUPS 16
+#define MAX_WEAPONS 16
+
+#define MAX_PS_EVENTS 2
+
+#define PS_PMOVEFRAMECOUNTBITS 6
+
+// playerState_t is the information needed by both the client and server
+// to predict player motion and actions
+// nothing outside of pmove should modify these, or some degree of prediction error
+// will occur
+
+// you can't add anything to this without modifying the code in msg.c
+
+// playerState_t is a full superset of entityState_t as it is used by players,
+// so if a playerState_t is transmitted, the entityState_t can be fully derived
+// from it.
+typedef struct playerState_s {
+ int commandTime; // cmd->serverTime of last executed command
+ int pm_type;
+ int bobCycle; // for view bobbing and footstep generation
+ int pm_flags; // ducked, jump_held, etc
+ int pm_time;
+
+ vec3_t origin;
+ vec3_t velocity;
+ int weaponTime;
+ int gravity;
+ int speed;
+ int delta_angles[3]; // add to command angles to get view direction
+ // changed by spawns, rotating objects, and teleporters
+
+ int groundEntityNum;// ENTITYNUM_NONE = in air
+
+ int legsTimer; // don't change low priority animations until this runs out
+ int legsAnim; // mask off ANIM_TOGGLEBIT
+
+ int torsoTimer; // don't change low priority animations until this runs out
+ int torsoAnim; // mask off ANIM_TOGGLEBIT
+
+ int movementDir; // a number 0 to 7 that represents the reletive angle
+ // of movement to the view angle (axial and diagonals)
+ // when at rest, the value will remain unchanged
+ // used to twist the legs during strafing
+
+ //TA: this is also used by wall climbing classes As I can't add anything to the
+ // playerState_t struct.This means wall climbing classes won't ever be able to use
+ // a grapple hook. Does this matter?
+ vec3_t grapplePoint; // location of grapple to pull towards if PMF_GRAPPLE_PULL
+
+ int eFlags; // copied to entityState_t->eFlags
+
+ int eventSequence; // pmove generated events
+ int events[MAX_PS_EVENTS];
+ int eventParms[MAX_PS_EVENTS];
+
+ int externalEvent; // events set on player from another source
+ int externalEventParm;
+ int externalEventTime;
+
+ int clientNum; // ranges from 0 to MAX_CLIENTS-1
+ int weapon; // copied to entityState_t->weapon
+ int weaponstate;
+
+ vec3_t viewangles; // for fixed views
+ int viewheight;
+
+ // damage feedback
+ int damageEvent; // when it changes, latch the other parms
+ int damageYaw;
+ int damagePitch;
+ int damageCount;
+
+ int stats[MAX_STATS];
+ int persistant[MAX_PERSISTANT]; // stats that aren't cleared on death
+ int powerups[MAX_POWERUPS]; // level.time that the powerup runs out
+ int ammo[MAX_WEAPONS];
+
+ int generic1;
+ int loopSound;
+ int jumppad_ent; // jumppad entity hit this frame
+
+ // not communicated over the net at all
+ int ping; // server to game info for scoreboard
+ int pmove_framecount; // FIXME: don't transmit over the network
+ int jumppad_frame;
+ int entityEventSequence;
+} playerState_t;
+
+
+//====================================================================
+
+
+//
+// usercmd_t->button bits, many of which are generated by the client system,
+// so they aren't game/cgame only definitions
+//
+#define BUTTON_ATTACK 1
+#define BUTTON_TALK 2 // displays talk balloon and disables actions
+#define BUTTON_USE_HOLDABLE 4
+#define BUTTON_GESTURE 8
+#define BUTTON_WALKING 16 // walking can't just be infered from MOVE_RUN
+ // because a key pressed late in the frame will
+ // only generate a small move value for that frame
+ // walking will use different animations and
+ // won't generate footsteps
+#define BUTTON_AFFIRMATIVE 32
+#define BUTTON_NEGATIVE 64
+
+#define BUTTON_GETFLAG 128
+#define BUTTON_GUARDBASE 256
+#define BUTTON_PATROL 512
+#define BUTTON_FOLLOWME 1024
+
+#define BUTTON_ANY 2048 // any key whatsoever
+
+#define MOVE_RUN 120 // if forwardmove or rightmove are >= MOVE_RUN,
+ // then BUTTON_WALKING should be set
+
+
+// usercmd_t is sent to the server each client frame
+typedef struct usercmd_s {
+ int serverTime;
+ int angles[3];
+ int buttons;
+ byte weapon; //weapon
+ signed char forwardmove, rightmove, upmove;
+} usercmd_t;
+
+//===================================================================
+
+// if entityState->solid == SOLID_BMODEL, modelindex is an inline model number
+#define SOLID_BMODEL 0xffffff
+
+typedef enum {
+ TR_STATIONARY,
+ TR_INTERPOLATE, // non-parametric, but interpolate between snapshots
+ TR_LINEAR,
+ TR_LINEAR_STOP,
+ TR_SINE, // value = base + sin( time / duration ) * delta
+ TR_GRAVITY
+} trType_t;
+
+typedef struct {
+ trType_t trType;
+ int trTime;
+ int trDuration; // if non 0, trTime + trDuration = stop time
+ vec3_t trBase;
+ vec3_t trDelta; // velocity, etc
+} trajectory_t;
+
+// entityState_t is the information conveyed from the server
+// in an update message about entities that the client will
+// need to render in some way
+// Different eTypes may use the information in different ways
+// The messages are delta compressed, so it doesn't really matter if
+// the structure size is fairly large
+
+typedef struct entityState_s {
+ int number; // entity index
+ int eType; // entityType_t
+ int eFlags;
+
+ trajectory_t pos; // for calculating position
+ trajectory_t apos; // for calculating angles
+
+ int time;
+ int time2;
+
+ vec3_t origin;
+ vec3_t origin2;
+
+ vec3_t angles;
+ vec3_t angles2;
+
+ int otherEntityNum; // shotgun sources, etc
+ int otherEntityNum2;
+
+ int groundEntityNum; // -1 = in air
+
+ int constantLight; // r + (g<<8) + (b<<16) + (intensity<<24)
+ int loopSound; // constantly loop this sound
+
+ int modelindex;
+ int modelindex2;
+ int clientNum; // 0 to (MAX_CLIENTS - 1), for players and corpses
+ int frame;
+
+ int solid; // for client side prediction, trap_linkentity sets this properly
+
+ int event; // impulse events -- muzzle flashes, footsteps, etc
+ int eventParm;
+
+ // for players
+ int powerups; // bit flags
+ int weapon; // determines weapon and flash model, etc
+ int legsAnim; // mask off ANIM_TOGGLEBIT
+ int torsoAnim; // mask off ANIM_TOGGLEBIT
+
+ int generic1;
+} entityState_t;
+
+typedef enum {
+ CA_UNINITIALIZED,
+ CA_DISCONNECTED, // not talking to a server
+ CA_AUTHORIZING, // not used any more, was checking cd key
+ CA_CONNECTING, // sending request packets to the server
+ CA_CHALLENGING, // sending challenge packets to the server
+ CA_CONNECTED, // netchan_t established, getting gamestate
+ CA_LOADING, // only during cgame initialization, never during main loop
+ CA_PRIMED, // got gamestate, waiting for first frame
+ CA_ACTIVE, // game views should be displayed
+ CA_CINEMATIC // playing a cinematic or a static pic, not connected to a server
+} connstate_t;
+
+// font support
+
+#define GLYPH_START 0
+#define GLYPH_END 255
+#define GLYPH_CHARSTART 32
+#define GLYPH_CHAREND 127
+#define GLYPHS_PER_FONT GLYPH_END - GLYPH_START + 1
+typedef struct {
+ int height; // number of scan lines
+ int top; // top of glyph in buffer
+ int bottom; // bottom of glyph in buffer
+ int pitch; // width for copying
+ int xSkip; // x adjustment
+ int imageWidth; // width of actual image
+ int imageHeight; // height of actual image
+ float s; // x offset in image where glyph starts
+ float t; // y offset in image where glyph starts
+ float s2;
+ float t2;
+ qhandle_t glyph; // handle to the shader with the glyph
+ char shaderName[32];
+} glyphInfo_t;
+
+typedef struct {
+ glyphInfo_t glyphs [GLYPHS_PER_FONT];
+ float glyphScale;
+ char name[MAX_QPATH];
+} fontInfo_t;
+
+#define Square(x) ((x)*(x))
+
+// real time
+//=============================================
+
+
+typedef struct qtime_s {
+ int tm_sec; /* seconds after the minute - [0,59] */
+ int tm_min; /* minutes after the hour - [0,59] */
+ int tm_hour; /* hours since midnight - [0,23] */
+ int tm_mday; /* day of the month - [1,31] */
+ int tm_mon; /* months since January - [0,11] */
+ int tm_year; /* years since 1900 */
+ int tm_wday; /* days since Sunday - [0,6] */
+ int tm_yday; /* days since January 1 - [0,365] */
+ int tm_isdst; /* daylight savings time flag */
+} qtime_t;
+
+
+// server browser sources
+#define AS_LOCAL 0
+#define AS_MPLAYER 1
+#define AS_GLOBAL 2
+#define AS_FAVORITES 3
+
+
+// cinematic states
+typedef enum {
+ FMV_IDLE,
+ FMV_PLAY, // play
+ FMV_EOF, // all other conditions, i.e. stop/EOF/abort
+ FMV_ID_BLT,
+ FMV_ID_IDLE,
+ FMV_LOOPED,
+ FMV_ID_WAIT
+} e_status;
+
+typedef enum _flag_status {
+ FLAG_ATBASE = 0,
+ FLAG_TAKEN, // CTF
+ FLAG_TAKEN_RED, // One Flag CTF
+ FLAG_TAKEN_BLUE, // One Flag CTF
+ FLAG_DROPPED
+} flagStatus_t;
+
+
+
+#define MAX_GLOBAL_SERVERS 2048
+#define MAX_OTHER_SERVERS 128
+#define MAX_PINGREQUESTS 16
+#define MAX_SERVERSTATUSREQUESTS 16
+
+#define SAY_ALL 0
+#define SAY_TEAM 1
+#define SAY_TELL 2
+
+#define CDKEY_LEN 16
+#define CDCHKSUM_LEN 2
+
+#endif // __Q_SHARED_H
generated by cgit (git 2.34.1) at 2025-11-04 09:42:49 +0000