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high_body.cxx
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/* bzflag
* Copyright (c) 1993-2021 Tim Riker
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the license found in the file
* named COPYING that should have accompanied this file.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "TankGeometryMgr.h"
using namespace TankGeometryUtils;
float sideVerts[][3] = { {2.800000f, 0.878000f, 0.829000f},
{2.820000f, 0.878000f, 0.716000f},
{2.680000f, 0.877000f, 0.684000f},
{-1.460000f, 0.877000f, 1.130000f},
{-2.740000f, 0.877000f, 0.528000f},
{-2.900000f, 0.877000f, 1.240000f},
{2.570000f, 0.877000f, 0.990000f},
{2.170000f, 0.877000f, 1.010000f},
{2.610000f, 0.877000f, 0.408000f},
{1.810000f, 0.877000f, 0.250000f},
{-1.620000f, 0.877000f, 0.25000f},
{1.760000f, 0.877000f, 1.130000f},
{2.800000f, -0.876000f, 0.829000f},
{2.680000f, -0.877000f, 0.684000f},
{2.820000f, -0.877000f, 0.716000f},
{-2.740000f, -0.877000f, 0.528000f},
{-1.460000f, -0.877000f, 1.130000f},
{-2.900000f, -0.877000f, 1.240000f},
{2.570000f, -0.877000f, 0.990000f},
{2.170000f, -0.877000f, 1.010000f},
{2.610000f, -0.877000f, 0.408000f},
{1.810000f, -0.877000f, 0.250000f},
{-1.620000f, -0.877000f, 0.250000f},
{1.760000f, -0.877000f, 1.130000f}
};
float sideUVs[][2] = {{0.996503f, 0.331452f},
{1.000000f, 0.422581f},
{0.975524f, 0.448387f},
{0.251748f, 0.088710f},
{0.027972f, 0.574194f},
{0.000000f, 0.000000f},
{0.956294f, 0.201613f},
{0.886364f, 0.185484f},
{0.963287f, 0.670968f},
{0.823427f, 1.000000f},
{0.223776f, 1.000000f},
{0.814685f, 0.088710f}
};
float sideNormals[][3] = {{-0.006338f, 0.999979f, -0.001652f},
{-0.003169f, 0.999995f, -0.000826f},
{0.000000f, 1.000000f, 0.000000f},
{0.001933f, -0.999984f, 0.005297f},
{0.000966f, -0.999996f, 0.002648f},
{-0.001944f, -0.999962f, 0.008505f},
{0.000000f, -1.000000f, 0.000000f},
{0.002905f, -0.999995f, 0.001044f}
};
static void DrawOBJIndexFace (int v1, int t1, int n1,
int v2, int t2, int n2,
int v3, int t3, int n3)
{
doNormal3f(sideNormals[n1-1][0], sideNormals[n1-1][1],sideNormals[n1-1][2]);
doTexCoord2f(sideUVs[t1-1][0],sideUVs[t1-1][1]);
doVertex3f(sideVerts[v1-1][0], sideVerts[v1-1][1], sideVerts[v1-1][2]);
doNormal3f(sideNormals[n2-1][0], sideNormals[n2-1][1],sideNormals[n2-1][2]);
doTexCoord2f(sideUVs[t2-1][0],sideUVs[t2-1][1]);
doVertex3f(sideVerts[v2-1][0], sideVerts[v2-1][1], sideVerts[v2-1][2]);
doNormal3f(sideNormals[n3-1][0], sideNormals[n3-1][1],sideNormals[n3-1][2]);
doTexCoord2f(sideUVs[t3-1][0],sideUVs[t3-1][1]);
doVertex3f(sideVerts[v3-1][0], sideVerts[v3-1][1], sideVerts[v3-1][2]);
}
static int DrawTankSides (void)
{
glBegin(GL_TRIANGLES);
DrawOBJIndexFace( 1,1,1, 2,2,1, 3,3,2);
DrawOBJIndexFace( 4,4,3, 5,5,3, 6,6,3);
DrawOBJIndexFace( 1,1,1, 3,3,2, 7,7,2);
DrawOBJIndexFace( 7,7,2, 3,3,2, 8,8,3);
DrawOBJIndexFace( 3,3,2, 9,9,3, 8,8,3);
DrawOBJIndexFace( 9,9,3, 10,10,3, 8,8,3);
DrawOBJIndexFace( 11,11,3, 5,5,3, 4,4,3);
DrawOBJIndexFace( 10,10,3, 11,11,3, 4,4,3);
DrawOBJIndexFace( 8,8,3, 10,10,3, 4,4,3);
DrawOBJIndexFace( 12,12,3, 8,8,3, 4,4,3);
DrawOBJIndexFace( 13,1,4, 14,3,5, 15,2,6);
DrawOBJIndexFace( 16,5,7, 17,4,7, 18,6,7);
DrawOBJIndexFace( 14,3,5, 13,1,4, 19,7,8);
DrawOBJIndexFace( 14,3,5, 19,7,8, 20,8,7);
DrawOBJIndexFace( 21,9,7, 14,3,5, 20,8,7);
DrawOBJIndexFace( 22,10,7, 21,9,7, 20,8,7);
DrawOBJIndexFace( 16,5,7, 23,11,7, 17,4,7);
DrawOBJIndexFace( 22,10,7, 20,8,7, 24,12,7);
DrawOBJIndexFace( 22,10,7, 24,12,7, 17,4,7);
DrawOBJIndexFace( 23,11,7, 22,10,7, 17,4,7);
glEnd();
return 20;
}
static int DrawCentralBody(void)
{
// draw the outer loop
glBegin(GL_TRIANGLE_STRIP);
doNormal3f(0.984696f, 0.000000f, 0.174282f);
doTexCoord2f(1.210f, 2.290f);
doVertex3f(2.820f, -0.877f, 0.716f);
doTexCoord2f(0.669f, 2.040f);
doVertex3f(2.820f, 0.878f, 0.716f);
doTexCoord2f(1.210f, 2.280f);
doVertex3f(2.800f, -0.876f, 0.829f);
doTexCoord2f(0.672f, 2.030f);
doVertex3f(2.800f, 0.878f, 0.829f);
doNormal3f(0.573462f, 0.000000f, 0.819232f);
doTexCoord2f(1.240f, 2.210f);
doVertex3f(2.570f, -0.877f, 0.990f);
doTexCoord2f(0.705f, 1.960f);
doVertex3f(2.570f, 0.877f, 0.990f);
doNormal3f(0.049938f, 0.000000f, 0.998752f);
doTexCoord2f(1.300f, 2.090f);
doVertex3f(2.170f, -0.877f, 1.010f);
doTexCoord2f(0.763f, 1.840f);
doVertex3f(2.170f, 0.877f, 1.010f);
doNormal3f(0.280899f, 0.000000f, 0.959737f);
doTexCoord2f(1.360f, 1.970f);
doVertex3f(1.760f, -0.877f, 1.130f);
doTexCoord2f(0.822f, 1.710f);
doVertex3f(1.760f, 0.877f, 1.130f);
doNormal3f(0.000000f, 0.000000f, 1.000000f);
doTexCoord2f(1.820f, 0.981f);
doVertex3f(-1.460f, -0.877f, 1.130f);
doTexCoord2f(1.280f, 0.729f);
doVertex3f(-1.460f, 0.877f, 1.130f);
doNormal3f(0.076167f, 0.000000f, 0.997095f);
doTexCoord2f(2.030f, 0.541f);
doVertex3f(-2.900f, -0.877f, 1.240f);
doTexCoord2f(1.490f, 0.289f);
doVertex3f(-2.900f, 0.877f, 1.240f);
doNormal3f(-0.975668f, 0.000000f, -0.219251f);
doTexCoord2f(2.000f, 0.590f);
doVertex3f(-2.740f, -0.877f, 0.528f);
doTexCoord2f(1.470f, 0.338f);
doVertex3f(-2.740f, 0.877f, 0.528f);
doNormal3f(-0.426419f, 0.000000f, -0.904526f);
doTexCoord2f(1.840f, 0.932f);
doVertex3f(-1.620f, -0.877f, 0.250f);
doTexCoord2f(1.310f, 0.680f);
doVertex3f(-1.620f, 0.877f, 0.250f);
doNormal3f(0.000000f, 0.000000f, -1.000000f);
doTexCoord2f(1.350f, 1.980f);
doVertex3f(1.810f, -0.877f, 0.250f);
doTexCoord2f(0.815f, 1.730f);
doVertex3f(1.810f, 0.877f, 0.250f);
doNormal3f(0.454326f, 0.000000f, -0.890835f);
doTexCoord2f(1.240f, 2.230f);
doVertex3f(2.610f, -0.877f, 0.408f);
doTexCoord2f(0.700f, 1.970f);
doVertex3f(2.610f, 0.877f, 0.408f);
doNormal3f(0.969310f, 0.000000f, -0.245840f);
doTexCoord2f(1.230f, 2.250f);
doVertex3f(2.680f, -0.877f, 0.684f);
doTexCoord2f(0.690f, 2.000f);
doVertex3f(2.680f, 0.877f, 0.684f);
doNormal3f(0.222825f, 0.000000f, -0.974858f);
doTexCoord2f(1.210f, 2.290f);
doVertex3f(2.820f, -0.877f, 0.716f);
doTexCoord2f(0.669f, 2.040f);
doVertex3f(2.820f, 0.878f, 0.716f);
glEnd(); // 26 verts -> 24 tris
return 24;
}
static int DrawRightRearExaust (void)
{
glBegin(GL_TRIANGLE_STRIP);
doNormal3f(0.000000f, 1.000000f, 0.000000f);
doTexCoord2f(1.540f, 0.341f);
doVertex3f(-2.820f, 0.686f, 1.070f);
doTexCoord2f(1.580f, 0.261f);
doVertex3f(-3.080f, 0.686f, 1.070f);
doTexCoord2f(1.540f, 0.341f);
doVertex3f(-2.820f, 0.686f, 1.170f);
doTexCoord2f(1.580f, 0.261f);
doVertex3f(-3.080f, 0.686f, 1.170f);
doNormal3f(0.000000f, 0.000000f, 1.000000f);
doTexCoord2f(1.640f, 0.387f);
doVertex3f(-2.820f, 0.367f, 1.170f);
doTexCoord2f(1.670f, 0.307f);
doVertex3f(-3.080f, 0.367f, 1.170f);
doNormal3f(0.000000f, -1.000000f, 0.000000f);
doTexCoord2f(1.640f, 0.387f);
doVertex3f(-2.820f, 0.367f, 1.070f);
doTexCoord2f(1.670f, 0.307f);
doVertex3f(-3.080f, 0.367f, 1.070f);
doNormal3f(0.000000f, 0.000000f, -1.000000f);
doTexCoord2f(1.540f, 0.341f);
doVertex3f(-2.820f, 0.686f, 1.070f);
doTexCoord2f(1.580f, 0.261f);
doVertex3f(-3.080f, 0.686f, 1.070f);
glEnd(); // 10 verts -> 8 tris
glBegin(GL_TRIANGLE_STRIP);
doNormal3f(-1.000000f, 0.000000f, 0.000000f);
doTexCoord2f(1.580f, 0.261f);
doVertex3f(-3.080f, 0.686f, 1.170f);
doTexCoord2f(1.580f, 0.261f);
doVertex3f(-3.080f, 0.686f, 1.070f);
doTexCoord2f(1.670f, 0.307f);
doVertex3f(-3.080f, 0.367f, 1.170f);
doTexCoord2f(1.670f, 0.307f);
doVertex3f(-3.080f, 0.367f, 1.070f);
glEnd(); // 4 verts -> 2 tris
return 10;
}
static int DrawLeftRearExaust ( void )
{
glBegin(GL_TRIANGLE_STRIP);
doNormal3f(0.000000f, 1.000000f, 0.000000f);
doTexCoord2f(1.780f, 0.445f);
doVertex3f(-2.840f, -0.084f, 1.070f);
doTexCoord2f(1.810f, 0.366f);
doVertex3f(-3.100f, -0.084f, 1.070f);
doTexCoord2f(1.780f, 0.445f);
doVertex3f(-2.840f, -0.084f, 1.170f);
doTexCoord2f(1.810f, 0.366f);
doVertex3f(-3.100f, -0.084f, 1.170f);
doNormal3f(0.000000f, 0.000000f, 1.000000f);
doTexCoord2f(2.020f, 0.559f);
doVertex3f(-2.840f, -0.877f, 1.170f);
doTexCoord2f(2.060f, 0.480f);
doVertex3f(-3.100f, -0.877f, 1.170f);
doNormal3f(0.000000f, -1.000000f, 0.000000f);
doTexCoord2f(2.020f, 0.559f);
doVertex3f(-2.840f, -0.877f, 1.070f);
doTexCoord2f(2.060f, 0.480f);
doVertex3f(-3.100f, -0.877f, 1.070f);
doNormal3f(0.000000f, 0.000000f, -1.000000f);
doTexCoord2f(1.780f, 0.445f);
doVertex3f(-2.840f, -0.084f, 1.070f);
doTexCoord2f(1.810f, 0.366f);
doVertex3f(-3.100f, -0.084f, 1.070f);
glEnd(); // 10 verts -> 8 tris
glBegin(GL_TRIANGLE_STRIP);
doNormal3f(-1.000000f, 0.000000f, 0.000000f);
doTexCoord2f(1.810f, 0.366f);
doVertex3f(-3.100f, -0.084f, 1.170f);
doTexCoord2f(1.810f, 0.366f);
doVertex3f(-3.100f, -0.084f, 1.070f);
doTexCoord2f(2.060f, 0.480f);
doVertex3f(-3.100f, -0.877f, 1.170f);
doTexCoord2f(2.060f, 0.480f);
doVertex3f(-3.100f, -0.877f, 1.070f);
glEnd(); // 4 verts -> 2 tris
return 10;
}
int TankGeometryUtils::buildHighBody (void)
{
int tris = 0;
glShadeModel(GL_FLAT);
tris += DrawTankSides();
tris += DrawCentralBody();
tris += DrawRightRearExaust();
tris += DrawLeftRearExaust();
return tris;
}
/*
* Local Variables: ***
* mode: C ***
* tab-width: 8 ***
* c-basic-offset: 2 ***
* indent-tabs-mode: t ***
* End: ***
* ex: shiftwidth=2 tabstop=8
*/