2020-11-04 21:46:18 +01:00
|
|
|
/*
|
|
|
|
Minetest
|
|
|
|
Copyright (C) 2020 Jean-Patrick Guerrero <jeanpatrick.guerrero@gmail.com>
|
|
|
|
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
|
|
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
|
|
|
|
|
|
|
|
You should have received a copy of the GNU Lesser General Public License along
|
|
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "guiScene.h"
|
|
|
|
|
|
|
|
#include <SViewFrustum.h>
|
|
|
|
#include <IAnimatedMeshSceneNode.h>
|
|
|
|
#include <ILightSceneNode.h>
|
|
|
|
#include "porting.h"
|
|
|
|
|
|
|
|
GUIScene::GUIScene(gui::IGUIEnvironment *env, scene::ISceneManager *smgr,
|
|
|
|
gui::IGUIElement *parent, core::recti rect, s32 id)
|
|
|
|
: IGUIElement(gui::EGUIET_ELEMENT, env, parent, id, rect)
|
|
|
|
{
|
|
|
|
m_driver = env->getVideoDriver();
|
|
|
|
m_smgr = smgr->createNewSceneManager(false);
|
|
|
|
|
|
|
|
m_cam = m_smgr->addCameraSceneNode(0, v3f(0.f, 0.f, -100.f), v3f(0.f));
|
|
|
|
m_cam->setFOV(30.f * core::DEGTORAD);
|
|
|
|
|
|
|
|
m_smgr->getParameters()->setAttribute(scene::ALLOW_ZWRITE_ON_TRANSPARENT, true);
|
|
|
|
}
|
|
|
|
|
|
|
|
GUIScene::~GUIScene()
|
|
|
|
{
|
|
|
|
setMesh(nullptr);
|
|
|
|
|
|
|
|
m_smgr->drop();
|
|
|
|
}
|
|
|
|
|
|
|
|
scene::IAnimatedMeshSceneNode *GUIScene::setMesh(scene::IAnimatedMesh *mesh)
|
|
|
|
{
|
|
|
|
if (m_mesh) {
|
|
|
|
m_mesh->remove();
|
|
|
|
m_mesh = nullptr;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!mesh)
|
|
|
|
return nullptr;
|
|
|
|
|
|
|
|
m_mesh = m_smgr->addAnimatedMeshSceneNode(mesh);
|
|
|
|
m_mesh->setPosition(-m_mesh->getBoundingBox().getCenter());
|
|
|
|
m_mesh->animateJoints();
|
2021-03-16 23:28:16 +01:00
|
|
|
|
2020-11-04 21:46:18 +01:00
|
|
|
return m_mesh;
|
|
|
|
}
|
|
|
|
|
|
|
|
void GUIScene::setTexture(u32 idx, video::ITexture *texture)
|
|
|
|
{
|
|
|
|
video::SMaterial &material = m_mesh->getMaterial(idx);
|
|
|
|
material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
|
|
|
|
material.MaterialTypeParam = 0.5f;
|
|
|
|
material.TextureLayer[0].Texture = texture;
|
|
|
|
material.setFlag(video::EMF_LIGHTING, false);
|
|
|
|
material.setFlag(video::EMF_FOG_ENABLE, true);
|
|
|
|
material.setFlag(video::EMF_BILINEAR_FILTER, false);
|
|
|
|
material.setFlag(video::EMF_BACK_FACE_CULLING, false);
|
2021-03-16 23:28:16 +01:00
|
|
|
material.setFlag(video::EMF_ZWRITE_ENABLE, true);
|
2020-11-04 21:46:18 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
void GUIScene::draw()
|
|
|
|
{
|
2021-03-16 23:28:16 +01:00
|
|
|
m_driver->clearBuffers(video::ECBF_DEPTH);
|
|
|
|
|
2020-11-04 21:46:18 +01:00
|
|
|
// Control rotation speed based on time
|
|
|
|
u64 new_time = porting::getTimeMs();
|
|
|
|
u64 dtime_ms = 0;
|
|
|
|
if (m_last_time != 0)
|
|
|
|
dtime_ms = porting::getDeltaMs(m_last_time, new_time);
|
|
|
|
m_last_time = new_time;
|
|
|
|
|
|
|
|
core::rect<s32> oldViewPort = m_driver->getViewPort();
|
|
|
|
m_driver->setViewPort(getAbsoluteClippingRect());
|
|
|
|
core::recti borderRect = Environment->getRootGUIElement()->getAbsoluteClippingRect();
|
|
|
|
|
|
|
|
if (m_bgcolor != 0) {
|
|
|
|
Environment->getSkin()->draw3DSunkenPane(
|
|
|
|
this, m_bgcolor, false, true, borderRect, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
core::dimension2d<s32> size = getAbsoluteClippingRect().getSize();
|
|
|
|
m_smgr->getActiveCamera()->setAspectRatio((f32)size.Width / (f32)size.Height);
|
|
|
|
|
|
|
|
if (!m_target) {
|
|
|
|
updateCamera(m_smgr->addEmptySceneNode());
|
|
|
|
rotateCamera(v3f(0.f));
|
|
|
|
m_cam->bindTargetAndRotation(true);
|
|
|
|
}
|
|
|
|
|
|
|
|
cameraLoop();
|
|
|
|
|
|
|
|
// Continuous rotation
|
|
|
|
if (m_inf_rot)
|
|
|
|
rotateCamera(v3f(0.f, -0.03f * (float)dtime_ms, 0.f));
|
|
|
|
|
|
|
|
m_smgr->drawAll();
|
|
|
|
|
|
|
|
if (m_initial_rotation && m_mesh) {
|
|
|
|
rotateCamera(v3f(m_custom_rot.X, m_custom_rot.Y, 0.f));
|
|
|
|
calcOptimalDistance();
|
|
|
|
|
|
|
|
m_initial_rotation = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
m_driver->setViewPort(oldViewPort);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool GUIScene::OnEvent(const SEvent &event)
|
|
|
|
{
|
|
|
|
if (m_mouse_ctrl && event.EventType == EET_MOUSE_INPUT_EVENT) {
|
|
|
|
if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
|
|
|
|
m_last_pos = v2f((f32)event.MouseInput.X, (f32)event.MouseInput.Y);
|
|
|
|
return true;
|
|
|
|
} else if (event.MouseInput.Event == EMIE_MOUSE_MOVED) {
|
|
|
|
if (event.MouseInput.isLeftPressed()) {
|
|
|
|
m_curr_pos = v2f((f32)event.MouseInput.X, (f32)event.MouseInput.Y);
|
|
|
|
|
|
|
|
rotateCamera(v3f(
|
|
|
|
m_last_pos.Y - m_curr_pos.Y,
|
|
|
|
m_curr_pos.X - m_last_pos.X, 0.f));
|
|
|
|
|
|
|
|
m_last_pos = m_curr_pos;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return gui::IGUIElement::OnEvent(event);
|
|
|
|
}
|
|
|
|
|
|
|
|
void GUIScene::setStyles(const std::array<StyleSpec, StyleSpec::NUM_STATES> &styles)
|
|
|
|
{
|
|
|
|
StyleSpec::State state = StyleSpec::STATE_DEFAULT;
|
|
|
|
StyleSpec style = StyleSpec::getStyleFromStatePropagation(styles, state);
|
|
|
|
|
|
|
|
setNotClipped(style.getBool(StyleSpec::NOCLIP, false));
|
|
|
|
setBackgroundColor(style.getColor(StyleSpec::BGCOLOR, m_bgcolor));
|
|
|
|
}
|
|
|
|
|
2020-12-15 19:06:36 +01:00
|
|
|
/**
|
|
|
|
* Sets the frame loop range for the mesh
|
|
|
|
*/
|
|
|
|
void GUIScene::setFrameLoop(s32 begin, s32 end)
|
|
|
|
{
|
|
|
|
if (m_mesh->getStartFrame() != begin || m_mesh->getEndFrame() != end)
|
|
|
|
m_mesh->setFrameLoop(begin, end);
|
|
|
|
}
|
|
|
|
|
2021-03-16 23:28:16 +01:00
|
|
|
/**
|
|
|
|
* Sets the animation speed (FPS) for the mesh
|
|
|
|
*/
|
|
|
|
void GUIScene::setAnimationSpeed(f32 speed)
|
|
|
|
{
|
|
|
|
m_mesh->setAnimationSpeed(speed);
|
|
|
|
}
|
|
|
|
|
2020-11-04 21:46:18 +01:00
|
|
|
/* Camera control functions */
|
|
|
|
|
|
|
|
inline void GUIScene::calcOptimalDistance()
|
|
|
|
{
|
|
|
|
core::aabbox3df box = m_mesh->getBoundingBox();
|
|
|
|
f32 width = box.MaxEdge.X - box.MinEdge.X;
|
|
|
|
f32 height = box.MaxEdge.Y - box.MinEdge.Y;
|
|
|
|
f32 depth = box.MaxEdge.Z - box.MinEdge.Z;
|
|
|
|
f32 max_width = width > depth ? width : depth;
|
|
|
|
|
|
|
|
const scene::SViewFrustum *f = m_cam->getViewFrustum();
|
|
|
|
f32 cam_far = m_cam->getFarValue();
|
|
|
|
f32 far_width = core::line3df(f->getFarLeftUp(), f->getFarRightUp()).getLength();
|
|
|
|
f32 far_height = core::line3df(f->getFarLeftUp(), f->getFarLeftDown()).getLength();
|
|
|
|
|
|
|
|
core::recti rect = getAbsolutePosition();
|
|
|
|
f32 zoomX = rect.getWidth() / max_width;
|
|
|
|
f32 zoomY = rect.getHeight() / height;
|
|
|
|
f32 dist;
|
|
|
|
|
|
|
|
if (zoomX < zoomY)
|
|
|
|
dist = (max_width / (far_width / cam_far)) + (0.5f * max_width);
|
|
|
|
else
|
|
|
|
dist = (height / (far_height / cam_far)) + (0.5f * max_width);
|
|
|
|
|
|
|
|
m_cam_distance = dist;
|
|
|
|
m_update_cam = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
void GUIScene::updateCamera(scene::ISceneNode *target)
|
|
|
|
{
|
|
|
|
m_target = target;
|
|
|
|
updateTargetPos();
|
|
|
|
|
|
|
|
m_last_target_pos = m_target_pos;
|
|
|
|
updateCameraPos();
|
|
|
|
|
|
|
|
m_update_cam = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
void GUIScene::updateTargetPos()
|
|
|
|
{
|
|
|
|
m_last_target_pos = m_target_pos;
|
|
|
|
m_target->updateAbsolutePosition();
|
|
|
|
m_target_pos = m_target->getAbsolutePosition();
|
|
|
|
}
|
|
|
|
|
|
|
|
void GUIScene::setCameraRotation(v3f rot)
|
|
|
|
{
|
|
|
|
correctBounds(rot);
|
|
|
|
|
|
|
|
core::matrix4 mat;
|
|
|
|
mat.setRotationDegrees(rot);
|
|
|
|
|
|
|
|
m_cam_pos = v3f(0.f, 0.f, m_cam_distance);
|
|
|
|
mat.rotateVect(m_cam_pos);
|
|
|
|
|
|
|
|
m_cam_pos += m_target_pos;
|
|
|
|
m_cam->setPosition(m_cam_pos);
|
|
|
|
m_update_cam = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool GUIScene::correctBounds(v3f &rot)
|
|
|
|
{
|
|
|
|
const float ROTATION_MAX_1 = 60.0f;
|
|
|
|
const float ROTATION_MAX_2 = 300.0f;
|
|
|
|
|
|
|
|
// Limit and correct the rotation when needed
|
|
|
|
if (rot.X < 90.f) {
|
|
|
|
if (rot.X > ROTATION_MAX_1) {
|
|
|
|
rot.X = ROTATION_MAX_1;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
} else if (rot.X < ROTATION_MAX_2) {
|
|
|
|
rot.X = ROTATION_MAX_2;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Not modified
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
void GUIScene::cameraLoop()
|
|
|
|
{
|
|
|
|
updateCameraPos();
|
|
|
|
updateTargetPos();
|
|
|
|
|
|
|
|
if (m_target_pos != m_last_target_pos)
|
|
|
|
m_update_cam = true;
|
|
|
|
|
|
|
|
if (m_update_cam) {
|
|
|
|
m_cam_pos = m_target_pos + (m_cam_pos - m_target_pos).normalize() * m_cam_distance;
|
|
|
|
|
|
|
|
v3f rot = getCameraRotation();
|
|
|
|
if (correctBounds(rot))
|
|
|
|
setCameraRotation(rot);
|
|
|
|
|
|
|
|
m_cam->setPosition(m_cam_pos);
|
|
|
|
m_cam->setTarget(m_target_pos);
|
|
|
|
|
|
|
|
m_update_cam = false;
|
|
|
|
}
|
|
|
|
}
|