199 lines
3.6 KiB
C++
199 lines
3.6 KiB
C++
/***
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*
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* Copyright (c) 1996-2002, Valve LLC. All rights reserved.
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*
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* This product contains software technology licensed from Id
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* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
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* All Rights Reserved.
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*
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* Use, distribution, and modification of this source code and/or resulting
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* object code is restricted to non-commercial enhancements to products from
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* Valve LLC. All other use, distribution, or modification is prohibited
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* without written permission from Valve LLC.
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*
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****/
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//
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// util.cpp
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//
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// implementation of class-less helper functions
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//
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#include "stdio.h"
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#include "stdlib.h"
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#include "math.h"
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#include "hud.h"
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#include "cl_util.h"
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#include <string.h>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846 // matches value in gcc v2 math.h
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#endif
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//vec3_t vec3_origin( 0, 0, 0 );
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double sqrt(double x);
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float Length(const float *v)
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{
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int i;
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float length;
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length = 0;
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for (i=0 ; i< 3 ; i++)
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length += v[i]*v[i];
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length = sqrt (length); // FIXME
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return length;
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}
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void VectorAngles( const float *forward, float *angles )
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{
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float tmp, yaw, pitch;
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if (forward[1] == 0 && forward[0] == 0)
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{
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yaw = 0;
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if (forward[2] > 0)
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pitch = 90;
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else
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pitch = 270;
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}
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else
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{
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yaw = (atan2(forward[1], forward[0]) * 180 / M_PI);
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if (yaw < 0)
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yaw += 360;
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tmp = sqrt (forward[0]*forward[0] + forward[1]*forward[1]);
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pitch = (atan2(forward[2], tmp) * 180 / M_PI);
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if (pitch < 0)
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pitch += 360;
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}
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angles[0] = pitch;
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angles[1] = yaw;
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angles[2] = 0;
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}
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float VectorNormalize (float *v)
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{
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float length, ilength;
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length = v[0]*v[0] + v[1]*v[1] + v[2]*v[2];
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length = sqrt (length); // FIXME
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if (length)
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{
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ilength = 1/length;
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v[0] *= ilength;
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v[1] *= ilength;
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v[2] *= ilength;
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}
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return length;
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}
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void VectorInverse ( float *v )
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{
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v[0] = -v[0];
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v[1] = -v[1];
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v[2] = -v[2];
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}
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void VectorScale (const float *in, float scale, float *out)
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{
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out[0] = in[0]*scale;
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out[1] = in[1]*scale;
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out[2] = in[2]*scale;
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}
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void VectorMA (const float *veca, float scale, const float *vecb, float *vecc)
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{
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vecc[0] = veca[0] + scale*vecb[0];
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vecc[1] = veca[1] + scale*vecb[1];
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vecc[2] = veca[2] + scale*vecb[2];
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}
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HSPRITE LoadSprite(const char *pszName)
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{
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int i;
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char sz[256];
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if (ScreenWidth < 640)
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i = 320;
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else
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i = 640;
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sprintf(sz, pszName, i);
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return SPR_Load(sz);
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}
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int HUD_GetSpriteIndexByName( const char *sz )
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{
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return gHUD.GetSpriteIndex(sz);
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}
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HSPRITE HUD_GetSprite( int index )
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{
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return gHUD.GetSprite(index);
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}
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wrect_t HUD_GetSpriteRect( int index )
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{
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return gHUD.GetSpriteRect( index );
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}
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float g_ColorBlue[3] = { 0.6, 0.8, 1.0 };
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float g_ColorRed[3] = { 1.0, 0.25, 0.25 };
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float g_ColorGreen[3] = { 0.6, 1.0, 0.6 };
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float g_ColorYellow[3] = { 1.0, 0.7, 0.0 };
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float g_ColorGrey[3] = { 0.8, 0.8, 0.8 };
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float *GetClientColor( int clientIndex )
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{
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switch ( g_PlayerExtraInfo[clientIndex].teamnumber )
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{
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case TEAM_TERRORIST: return g_ColorRed;
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case TEAM_CT: return g_ColorBlue;
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case TEAM_SPECTATOR:
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case TEAM_UNASSIGNED: return g_ColorYellow;
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case 4: return g_ColorGreen;
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default: return g_ColorGrey;
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}
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}
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void GetTeamColor(int &r, int &g, int &b, int teamIndex)
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{
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r = 255;
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g = 255;
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b = 255;
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switch( teamIndex )
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{
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case TEAM_TERRORIST:
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r *= g_ColorRed[0];
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g *= g_ColorRed[1];
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b *= g_ColorRed[2];
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break;
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case TEAM_CT:
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r *= g_ColorBlue[0];
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g *= g_ColorBlue[1];
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b *= g_ColorBlue[2];
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break;
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case TEAM_SPECTATOR:
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case TEAM_UNASSIGNED:
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r *= g_ColorYellow[0];
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g *= g_ColorYellow[1];
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b *= g_ColorYellow[2];
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break;
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default:
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r *= g_ColorGrey[0];
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g *= g_ColorGrey[1];
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b *= g_ColorGrey[2];
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break;
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}
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}
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