tri.cpp

//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================

// Triangle rendering, if any

#include "hud.h"
#include "cl_util.h"

// Triangle rendering apis are in gEngfuncs.pTriAPI

#include "const.h"
#include "entity_state.h"
#include "cl_entity.h"
#include "triangleapi.h"
#include "Exports.h"

#include "particleman.h"
#include "tri.h"
extern IParticleMan *g_pParticleMan;

namespace TriStuff
{
    using namespace std;

    static HSPRITE whiteSprite = 0;
    static bool havePoints = false;
    bool allSolid;
    static vec3_t traceEndPoint, beamEndPoint, reverseEndPoint;

    void OnVidInit()
    {
        whiteSprite = 0;
        havePoints = false;
    }

    void SetPoints(bool solid, vec3_t traceEnd, vec3_t beamEnd, vec3_t reverseEnd)
    {
        havePoints = true;
        allSolid = solid;
        traceEndPoint = traceEnd;
        beamEndPoint = beamEnd;
        reverseEndPoint = reverseEnd;
        if (allSolid)
            gEngfuncs.Con_Printf("allSolid: %f %f %f\n", beamEndPoint.x, beamEndPoint.y, beamEndPoint.z);
    }

    static void DrawWireframeBox(vec3_t origin, float halfsize)
    {
        gEngfuncs.pTriAPI->Begin(TRI_LINES);

        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z - halfsize);

        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z + halfsize);

        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z - halfsize);

        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z - halfsize);

        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x - halfsize, origin.y - halfsize, origin.z - halfsize);

        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z - halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y + halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z + halfsize);
        gEngfuncs.pTriAPI->Vertex3f(origin.x + halfsize, origin.y - halfsize, origin.z - halfsize);

        gEngfuncs.pTriAPI->End();
    }

    static void DrawStuff()
    {
        if (!havePoints)
            return;

        if (whiteSprite == 0)
            whiteSprite = SPR_Load("sprites/white.spr");
        if (!gEngfuncs.pTriAPI->SpriteTexture(const_cast<model_s*>(gEngfuncs.GetSpritePointer(whiteSprite)), 0))
            return;
        gEngfuncs.pTriAPI->RenderMode(kRenderTransColor);

        gEngfuncs.pTriAPI->Color4f(1.f, 0.f, 0.f, 1.f);
        DrawWireframeBox(traceEndPoint, 2);
        gEngfuncs.pTriAPI->Color4f(0.f, 1.f, 0.f, 1.f);
        DrawWireframeBox(beamEndPoint, allSolid ? 4 : 2);
        gEngfuncs.pTriAPI->Color4f(1.f, 1.f, 0.f, 1.f);
        DrawWireframeBox(reverseEndPoint, allSolid ? 6 : 2);
    }
}

/*
=================
HUD_DrawNormalTriangles

Non-transparent triangles-- add them here
=================
*/
void CL_DLLEXPORT HUD_DrawNormalTriangles( void )
{
//  RecClDrawNormalTriangles();

    gHUD.m_Spectator.DrawOverview();
}

#if defined( _TFC )
void RunEventList( void );
#endif

/*
=================
HUD_DrawTransparentTriangles

Render any triangles with transparent rendermode needs here
=================
*/
void CL_DLLEXPORT HUD_DrawTransparentTriangles( void )
{
//  RecClDrawTransparentTriangles();

#if defined( _TFC )
    RunEventList();
#endif

    if ( g_pParticleMan )
         g_pParticleMan->Update();

    TriStuff::DrawStuff();
}