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165 lines
3.4 KiB
165 lines
3.4 KiB
/*** |
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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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// Geiger.cpp |
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// |
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// implementation of CHudAmmo class |
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// |
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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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#include <time.h> |
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#include <stdio.h> |
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#include "event_api.h" |
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#include "event_args.h" |
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#include "triangleapi.h" |
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#include "pm_shared.h" |
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#include "pm_defs.h" |
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#include "pmtrace.h" |
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#include "parsemsg.h" |
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extern vec3_t v_origin; // last view origin |
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extern vec3_t v_angles; // last view angle |
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extern vec3_t v_cl_angles; // last client/mouse angle |
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extern vec3_t v_sim_org; // last sim origin |
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DECLARE_MESSAGE(m_Glow, Glow) |
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int CHudGlow::Init(void) |
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{ |
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HOOK_MESSAGE(Glow); |
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m_iFlags = 0; |
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gHUD.AddHudElem(this); |
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srand((unsigned)time(NULL)); |
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return 1; |
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}; |
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int CHudGlow::VidInit(void) |
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{ |
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m_iFlags = 0; |
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m_hSprite = SPR_Load("sprites/glow01.spr"); |
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return 1; |
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}; |
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int CHudGlow::MsgFunc_Glow(const char *pszName, int iSize, void *pbuf) |
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{ |
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BEGIN_READ(pbuf, iSize); |
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int fOn = READ_BYTE(); |
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if (fOn) |
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{ |
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m_iFlags |= HUD_ACTIVE; |
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} |
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else |
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{ |
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m_iFlags &= ~HUD_ACTIVE; |
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} |
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return 1; |
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} |
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int CHudGlow::Draw(float flTime) |
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{ |
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return 1; |
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} |
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#define GLOW_TRACE_DISTANCE 80.0f |
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#define GLOW_MAX_ALPHA 1.0f |
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void CHudGlow::DrawGlow(void) |
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{ |
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if (gHUD.m_iHideHUDDisplay & HIDEHUD_ALL) |
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return; |
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if (!(m_iFlags & HUD_ACTIVE)) |
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return; |
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cl_entity_t* ent = gEngfuncs.GetViewModel(); |
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if (!ent) |
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return; |
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float r, g, b, a; |
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vec3_t origin, forward, right, up, screen, point; |
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struct model_s *hSpriteModel; |
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int size = 10; |
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r = 1.0f; g = b = 0.95f; |
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VectorCopy(ent->attachment[0], origin); |
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AngleVectors(v_angles, forward, right, up); |
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vec3_t tracedir; |
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VectorScale(forward, GLOW_TRACE_DISTANCE, tracedir); |
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VectorAdd(tracedir, origin, tracedir); |
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pmtrace_t * trace = gEngfuncs.PM_TraceLine(origin, tracedir, PM_TRACELINE_PHYSENTSONLY, 2, -1); |
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if (trace->fraction != 1.0) |
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{ |
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a = ((trace->fraction * GLOW_MAX_ALPHA) / GLOW_TRACE_DISTANCE) * 100; |
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} |
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else |
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{ |
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a = GLOW_MAX_ALPHA; |
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} |
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a = Q_min(a, GLOW_MAX_ALPHA); |
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// gEngfuncs.Con_Printf("Glow opacity: %f.\n", a); |
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gEngfuncs.pTriAPI->WorldToScreen(origin, point); |
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hSpriteModel = (struct model_s *)gEngfuncs.GetSpritePointer(m_hSprite); |
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gEngfuncs.pTriAPI->SpriteTexture(hSpriteModel, 0); |
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gEngfuncs.pTriAPI->RenderMode(kRenderTransAdd); |
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gEngfuncs.pTriAPI->CullFace( TRI_NONE ); |
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gEngfuncs.pTriAPI->Color4f( r, g, b, a ); |
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gEngfuncs.pTriAPI->Begin( TRI_QUADS ); |
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gEngfuncs.pTriAPI->TexCoord2f(1, 0); |
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VectorMA(origin, size, up, point); |
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VectorMA(point, size, right, point); |
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gEngfuncs.pTriAPI->Vertex3fv(point); |
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gEngfuncs.pTriAPI->TexCoord2f(0, 0); |
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VectorMA(origin, size, up, point); |
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VectorMA(point, -size, right, point); |
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gEngfuncs.pTriAPI->Vertex3fv(point); |
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gEngfuncs.pTriAPI->TexCoord2f(0, 1); |
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VectorMA(origin, -size, up, point); |
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VectorMA(point, -size, right, point); |
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gEngfuncs.pTriAPI->Vertex3fv(point); |
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gEngfuncs.pTriAPI->TexCoord2f(1, 1); |
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VectorMA(origin, -size, up, point); |
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VectorMA(point, size, right, point); |
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gEngfuncs.pTriAPI->Vertex3fv(point); |
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gEngfuncs.pTriAPI->End(); |
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return; |
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}
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