open_toontown_panda3d/panda/src/grutil/meshDrawer.I

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// Filename: meshDrawer.I
// Created by: treeform (19dec08)
//
////////////////////////////////////////////////////////////////////
//
// 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."
//
////////////////////////////////////////////////////////////////////
#include "lpoint2.h"
////////////////////////////////////////////////////////////////////
// Function: MeshDrawer::Constructor
// Access: Published
// Description: Creates the MeshDrawer low level system.
////////////////////////////////////////////////////////////////////
INLINE MeshDrawer::
MeshDrawer() {
_root = NodePath("MeshDrawer");
_at_start = 0;
_bv = NULL;
_vertex = NULL;
_normal = NULL;
_uv = NULL;
_color = NULL;
_budget = 5000;
_plate_size = 16;
_frame_size = 1.0f / float(_plate_size);
}
////////////////////////////////////////////////////////////////////
// Function: MeshDrawer::Destructor
// Access: Published
// Description: Destroys the MeshDrawer low level system.
////////////////////////////////////////////////////////////////////
INLINE MeshDrawer::
~MeshDrawer() {
_root.remove_node();
if (_vertex != NULL) delete _vertex;
if (_normal != NULL) delete _normal;
if (_uv != NULL) delete _uv;
if (_color != NULL) delete _color;
}
////////////////////////////////////////////////////////////////////
// Function: MeshDrawer::set_plate_size
// Access: Published
// Description: Sets the number of images are on one side
// of a sqare plate.
// Geom drawer expects a plate of square image for
// most of its billboard operatoins. If plate size is
// 3 the frame numbering would look like this:
// 0 1 2
// 3 4 5
// 6 7 8
// you can select any frame you like for many of the
// billboards and segments.
////////////////////////////////////////////////////////////////////
INLINE void MeshDrawer::
set_plate_size(int one_side_size) {
_plate_size = one_side_size;
_frame_size = 1.0f / float(_plate_size);
}
////////////////////////////////////////////////////////////////////
// Function: MeshDrawer::get_plate_size
// Access: Published
// Description: Gets the number of images are on one side
// of a sqare plate.
////////////////////////////////////////////////////////////////////
INLINE int MeshDrawer::
get_plate_size() {
return _plate_size;
}
////////////////////////////////////////////////////////////////////
// Function: MeshDrawer::get_root
// Access: Published
// Description: Returns the root NodePath.
////////////////////////////////////////////////////////////////////
INLINE NodePath MeshDrawer::
get_root() {
return _root;
}
////////////////////////////////////////////////////////////////////
// Function: MeshDrawer::set_budget
// Access: Published
// Description: Sets the total triangle budget of the drawer.
////////////////////////////////////////////////////////////////////
INLINE void MeshDrawer::
set_budget(int total_budget) {
_budget = total_budget;
generator(_budget);
}
////////////////////////////////////////////////////////////////////
// Function: MeshDrawer::get_budget()
// Access: Published
// Description: Gets the total triangle budget of the drawer
////////////////////////////////////////////////////////////////////
INLINE int MeshDrawer::
get_budget() {
return _budget;
}
////////////////////////////////////////////////////////////////////
// Function: MeshDrawer::tri
// Access: Published
// Description: Draws a triangle with the given parameters.
////////////////////////////////////////////////////////////////////
INLINE void MeshDrawer::tri(LVector3f v1, LVector4f c1, LVector2f uv1,
LVector3f v2, LVector4f c2, LVector2f uv2,
LVector3f v3, LVector4f c3, LVector2f uv3) {
if( _clear_index > _end_clear_index) return;
_vertex->add_data3f(v1);
_color->add_data4f(c1);
_uv->add_data2f(uv1);
_vertex->add_data3f(v2);
_color->add_data4f(c2);
_uv->add_data2f(uv2);
_vertex->add_data3f(v3);
_color->add_data4f(c3);
_uv->add_data2f(uv3);
_clear_index += 1;
}