historical/toontown-classic.git/panda/include/meshDrawer.I

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/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file meshDrawer.I
* @author treeform
* @date 2008-12-19
*/
#include "lpoint2.h"
/**
* Creates the MeshDrawer low level system.
*/
INLINE MeshDrawer::
MeshDrawer() {
_root = NodePath("MeshDrawer");
_at_start = 0;
_bv = nullptr;
_vertex = nullptr;
_normal = nullptr;
_uv = nullptr;
_color = nullptr;
_budget = 5000;
_vdata = nullptr;
}
/**
* Destroys the MeshDrawer low level system.
*/
INLINE MeshDrawer::
~MeshDrawer() {
_root.remove_node();
if (_vertex != nullptr) delete _vertex;
if (_normal != nullptr) delete _normal;
if (_uv != nullptr) delete _uv;
if (_color != nullptr) delete _color;
}
/**
* Returns the root NodePath. You should use this node to reparent mesh
* drawer onto the scene might also want to disable depth draw or enable
* transparency.
*/
INLINE NodePath MeshDrawer::
get_root() {
return _root;
}
/**
* Sets the total triangle budget of the drawer. This will not be exceeded.
* Don't set some thing too large because it will be slow
*/
INLINE void MeshDrawer::
set_budget(int total_budget) {
_budget = total_budget;
generator(_budget);
}
/**
* Gets the total triangle budget of the drawer
*/
INLINE int MeshDrawer::
get_budget() {
return _budget;
}
/**
* Draws a triangle with the given parameters.
*/
INLINE void MeshDrawer::tri(const LVector3 &v1, const LVector4 &c1, const LVector2 &uv1,
const LVector3 &v2, const LVector4 &c2, const LVector2 &uv2,
const LVector3 &v3, const LVector4 &c3, const LVector2 &uv3) {
if( _clear_index > _end_clear_index) return;
_vertex->add_data3(v1);
_color->add_data4(c1);
_uv->add_data2(uv1);
_vertex->add_data3(v2);
_color->add_data4(c2);
_uv->add_data2(uv2);
_vertex->add_data3(v3);
_color->add_data4(c3);
_uv->add_data2(uv3);
_clear_index += 1;
}