96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
// Filename: xFileVertex.cxx
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// Created by: drose (19Jun01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#include "xFileVertex.h"
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#include "eggVertex.h"
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#include "eggPrimitive.h"
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#include "config_xfile.h"
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////////////////////////////////////////////////////////////////////
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// Function: XFileVertex::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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XFileVertex::
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XFileVertex() {
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_has_color = false;
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_has_uv = false;
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_point.set(0.0, 0.0, 0.0);
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_uv.set(0.0, 0.0);
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_color.set(1.0f, 1.0f, 1.0f, 1.0f);
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}
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////////////////////////////////////////////////////////////////////
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// Function: XFileVertex::set_from_egg
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// Access: Public
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// Description: Sets the structure up from the indicated egg data.
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////////////////////////////////////////////////////////////////////
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void XFileVertex::
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set_from_egg(EggVertex *egg_vertex, EggPrimitive *egg_prim) {
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Vertexd pos = egg_vertex->get_pos3();
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if (xfile_one_mesh) {
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// If this is going into one big mesh, we must ensure every
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// vertex is in world coordinates.
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pos = pos * egg_prim->get_vertex_frame();
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} else {
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// Otherwise, we ensure the vertex is in local coordinates.
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pos = pos * egg_prim->get_vertex_to_node();
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}
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_point = pos;
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if (egg_vertex->has_uv()) {
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TexCoordd uv = egg_vertex->get_uv();
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if (egg_prim->has_texture()) {
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// Check if there's a texture matrix on the texture.
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EggTexture *egg_tex = egg_prim->get_texture();
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if (egg_tex->has_transform2d()) {
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uv = uv * egg_tex->get_transform2d();
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}
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}
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_uv[0] = uv[0];
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// Windows draws the UV's upside-down.
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_uv[1] = 1.0 - uv[1];
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_has_uv = true;
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}
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if (egg_vertex->has_color()) {
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_color = egg_vertex->get_color();
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_has_color = true;
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} else if (egg_prim->has_color()) {
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_color = egg_prim->get_color();
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_has_color = true;
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: XFileVertex::compare_to
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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int XFileVertex::
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compare_to(const XFileVertex &other) const {
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int ct;
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ct = _point.compare_to(other._point);
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if (ct == 0) {
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ct = _uv.compare_to(other._uv);
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}
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if (ct == 0) {
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ct = _color.compare_to(other._color);
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}
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return ct;
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}
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