Files
2026-02-02 04:50:13 +01:00

111 lines
3.3 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/textconsole.h"
#include "tetraedge/tetraedge.h"
#include "tetraedge/game/billboard.h"
#include "tetraedge/game/syberia_game.h"
#include "tetraedge/te/te_core.h"
namespace Tetraedge {
Billboard::Billboard() : _hasPos2(false) {
}
bool Billboard::load(const Common::Path &path) {
_model = new TeModel();
TeIntrusivePtr<Te3DTexture> texture = Te3DTexture::makeInstance();
SyberiaGame *game = dynamic_cast<SyberiaGame *>(g_engine->getGame());
TeCore *core = g_engine->getCore();
TetraedgeFSNode texnode = core->findFile(game->sceneZonePath().join(path));
texture->load(texnode);
_model->setName(path.toString('/'));
Common::Array<TeVector3f32> quad;
quad.resize(4);
_model->setQuad(texture, quad, TeColor(0xff, 0xff, 0xff, 0xff));
_model->setVisible(false);
game->scene().models().push_back(_model);
return true;
}
void Billboard::calcVertex() {
Game *game = g_engine->getGame();
TeIntrusivePtr<TeCamera> currentCam = game->scene().currentCamera();
assert(currentCam);
currentCam->apply();
const TeMatrix4x4 camProjMatrix = currentCam->projectionMatrix();
TeMatrix4x4 camWorldInverse = currentCam->worldTransformationMatrix();
camWorldInverse.inverse();
const TeMatrix4x4 camTotalTransform = camProjMatrix * camWorldInverse;
TeMatrix4x4 camTotalInverse = camTotalTransform;
camTotalInverse.inverse();
TeVector3f32 posvec(0.0f, 0.0f, _pos.z());
if (_hasPos2) {
posvec = _pos2;
}
posvec = camTotalTransform * posvec;
TeVector3f32 meshVertex;
float fx, fy;
fx = _pos.x();
fy = _pos.y();
meshVertex = camTotalInverse * TeVector3f32(fx + fx - 1.0f, fy + fy - 1.0f, posvec.z());
_model->meshes()[0]->setVertex(0, meshVertex);
fx = _pos.x();
fy = _pos.y() + _size.getY();
meshVertex = camTotalInverse * TeVector3f32(fx + fx - 1.0f, fy + fy - 1.0f, posvec.z());
_model->meshes()[0]->setVertex(1, meshVertex);
fx = _pos.x() + _size.getX();
fy = _pos.y();
meshVertex = camTotalInverse * TeVector3f32(fx + fx - 1.0f, fy + fy - 1.0f, posvec.z());
_model->meshes()[0]->setVertex(2, meshVertex);
fx = _pos.x() + _size.getX();
fy = _pos.y() + _size.getY();
meshVertex = camTotalInverse * TeVector3f32(fx + fx - 1.0f, fy + fy - 1.0f, posvec.z());
_model->meshes()[0]->setVertex(3, meshVertex);
}
void Billboard::position(const TeVector3f32 &pos) {
_pos = pos;
calcVertex();
}
void Billboard::position2(const TeVector3f32 &pos) {
_pos2 = pos;
_hasPos2 = true;
calcVertex();
}
void Billboard::size(const TeVector2f32 &size) {
_size = size;
calcVertex();
}
} // end namespace Tetraedge