176 lines
4.2 KiB
C++
176 lines
4.2 KiB
C++
/*
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Copyright (C) 1999-2007 id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdlib.h>
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#include "entity_entitymodel.h"
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//
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// CEntityEclassModel implementation
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//
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CEntityEclassModel::CEntityEclassModel ()
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{
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refCount = 1;
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m_eclass = NULL;
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m_model = NULL;
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VectorSet(m_translate, 0,0,0);
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VectorSet(m_euler, 0,0,0);
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VectorSet(m_scale, 1,1,1);
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VectorSet(m_pivot, 0,0,0);
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m4x4_identity(m_transform);
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m4x4_identity(m_inverse_transform);
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}
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CEntityEclassModel::~CEntityEclassModel ()
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{
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if(m_name.c_str()[0] != '\0'
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&& m_version.c_str()[0] != '\0')
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GetModelCache()->DeleteByID(m_name.c_str(), m_version.c_str());
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}
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// IRender
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void CEntityEclassModel::Draw(int state, int rflags) const
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{
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// push the current modelview matrix
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// FIXME: put in a check for stack recursion depth..
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// or avoid recursion of opengl matrix stack
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g_QglTable.m_pfn_qglPushMatrix();
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// apply the parent-to-local transform
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g_QglTable.m_pfn_qglMultMatrixf(m_transform);
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// draw children
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if(m_model && m_model->pRender)
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{
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m_model->pRender->Draw(state, rflags);
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}
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g_QglTable.m_pfn_qglPopMatrix();
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}
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// ISelect
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bool CEntityEclassModel::TestRay(const ray_t *ray, vec_t *dist) const
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{
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vec_t dist_start = *dist;
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vec_t dist_local = *dist;
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ray_t ray_local = *ray;
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if (aabb_intersect_ray(&m_BBox, &ray_local, &dist_local))
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*dist = dist_local;
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return *dist < dist_start;
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}
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//IEdit
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void CEntityEclassModel::Translate(const vec3_t translation)
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{
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VectorIncrement(translation, m_translate);
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UpdateCachedData();
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}
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void CEntityEclassModel::Rotate(const vec3_t pivot, const vec3_t rotation)
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{
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m4x4_t rotation_matrix;
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m4x4_identity(rotation_matrix);
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m4x4_pivoted_rotate_by_vec3(rotation_matrix, rotation, eXYZ, pivot);
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m4x4_transform_point(rotation_matrix, m_translate);
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VectorIncrement(rotation, m_euler);
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UpdateCachedData();
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}
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void CEntityEclassModel::OnKeyValueChanged(entity_t *e, const char *key, const char* value)
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{
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if(strcmp(key,"origin") == 0)
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{
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sscanf(value, "%f %f %f", &m_translate[0], &m_translate[1], &m_translate[2]);
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UpdateCachedData();
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}
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else if(strcmp(key,"angle") == 0)
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{
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VectorSet(m_euler, 0, 0, (float) atof(value));
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UpdateCachedData();
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}
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}
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void CEntityEclassModel::SetEclass(const eclass_t* eclass)
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{
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m_eclass = eclass;
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}
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void CEntityEclassModel::SetName(const char *name)
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{
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if(strcmp(m_name.c_str(), name) == 0)
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return;
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if(m_name.c_str()[0] != '\0'
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&& m_version.c_str()[0] != '\0')
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GetModelCache()->DeleteByID(m_name.c_str(), m_version.c_str());
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m_model = NULL;
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m_name = name;
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if(m_name.c_str()[0] != '\0')
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{
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const char* dot = strrchr(m_name.c_str(), '.');
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if(dot != NULL)
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{
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m_version = ++dot;
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m_model = GetModelCache()->GetByID(m_name.c_str(), m_version.c_str());
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}
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}
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UpdateCachedData();
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}
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//
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// CEntityEclassModel
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//
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// private:
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void CEntityEclassModel::UpdateCachedData()
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{
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aabb_t aabb_temp;
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aabb_clear(&aabb_temp);
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m4x4_identity(m_transform);
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m4x4_pivoted_transform_by_vec3(m_transform, m_translate, m_euler, eXYZ, m_scale, m_pivot);
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memcpy(m_inverse_transform, m_transform, sizeof(m4x4_t));
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if(m4x4_invert(m_inverse_transform) == 1) {
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Sys_Printf("ERROR: Singular Matrix, cannot invert");
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}
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if(m_eclass)
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aabb_construct_for_vec3(&aabb_temp, m_eclass->mins, m_eclass->maxs);
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else
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VectorSet(aabb_temp.extents, 8, 8, 8);
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aabb_for_transformed_aabb(&m_BBox, &aabb_temp, m_transform);
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}
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