mirror of
https://github.com/MaSzyna-EU07/maszyna.git
synced 2026-03-22 15:05:03 +01:00
partial initial refactoring: events, memcells, tracks, models, traction; NOTE: debug mode broken, investigate
This commit is contained in:
tmj-fstate
296
scenenode.cpp
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296
scenenode.cpp
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/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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#include "stdafx.h"
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#include "scenenode.h"
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#include "renderer.h"
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#include "logs.h"
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namespace scene {
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// restores content of the node from provded input stream
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shape_node &
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shape_node::deserialize( cParser &Input, node_data const &Nodedata ) {
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// import common data
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m_name = Nodedata.name;
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m_data.rangesquared_min = Nodedata.range_min * Nodedata.range_min;
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m_data.rangesquared_max = (
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Nodedata.range_max >= 0.0 ?
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Nodedata.range_max * Nodedata.range_max :
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std::numeric_limits<double>::max() );
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std::string token = Input.getToken<std::string>();
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if( token == "material" ) {
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// lighting settings
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token = Input.getToken<std::string>();
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while( token != "endmaterial" ) {
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if( token == "ambient:" ) {
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Input.getTokens( 3 );
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Input
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>> m_data.lighting.ambient.r
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>> m_data.lighting.ambient.g
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>> m_data.lighting.ambient.b;
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m_data.lighting.ambient /= 255.f;
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m_data.lighting.ambient.a = 1.f;
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}
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else if( token == "diffuse:" ) {
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Input.getTokens( 3 );
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Input
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>> m_data.lighting.diffuse.r
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>> m_data.lighting.diffuse.g
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>> m_data.lighting.diffuse.b;
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m_data.lighting.diffuse /= 255.f;
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m_data.lighting.diffuse.a = 1.f;
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}
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else if( token == "specular:" ) {
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Input.getTokens( 3 );
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Input
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>> m_data.lighting.specular.r
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>> m_data.lighting.specular.g
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>> m_data.lighting.specular.b;
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m_data.lighting.specular /= 255.f;
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m_data.lighting.specular.a = 1.f;
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}
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token = Input.getToken<std::string>();
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}
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token = Input.getToken<std::string>();
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}
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// assigned material
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m_data.material = GfxRenderer.Fetch_Material( token );
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// determine way to proceed from the assigned diffuse texture
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// TBT, TODO: add methods to material manager to access these simpler
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auto const texturehandle = (
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m_data.material != null_handle ?
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GfxRenderer.Material( m_data.material ).texture1 :
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null_handle );
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auto const &texture = (
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texturehandle ?
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GfxRenderer.Texture( texturehandle ) :
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opengl_texture() ); // dirty workaround for lack of better api
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bool const clamps = (
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texturehandle ?
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texture.traits.find( 's' ) != std::string::npos :
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false );
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bool const clampt = (
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texturehandle ?
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texture.traits.find( 't' ) != std::string::npos :
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false );
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// remainder of legacy 'problend' system -- geometry assigned a texture with '@' in its name is treated as translucent, opaque otherwise
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if( texturehandle != null_handle ) {
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m_data.translucent = (
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( ( texture.name.find( '@' ) != std::string::npos )
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&& ( true == texture.has_alpha ) ) ?
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true :
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false );
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}
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else {
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m_data.translucent = false;
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}
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// geometry
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enum subtype {
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triangles,
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triangle_strip,
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triangle_fan
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} const nodetype = (
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Nodedata.type == "triangles" ? triangles :
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Nodedata.type == "triangle_strip" ? triangle_strip :
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triangle_fan );
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std::size_t vertexcount{ 0 };
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world_vertex vertex, vertex1, vertex2;
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do {
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Input.getTokens( 8, false );
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Input
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>> vertex.position.x
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>> vertex.position.y
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>> vertex.position.z
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>> vertex.normal.x
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>> vertex.normal.y
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>> vertex.normal.z
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>> vertex.texture.s
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>> vertex.texture.t;
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// clamp texture coordinates if texture wrapping is off
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if( true == clamps ) { vertex.texture.s = clamp( vertex.texture.s, 0.001f, 0.999f ); }
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if( true == clampt ) { vertex.texture.t = clamp( vertex.texture.t, 0.001f, 0.999f ); }
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// convert all data to gl_triangles to allow data merge for matching nodes
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switch( nodetype ) {
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case triangles: {
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if( vertexcount == 0 ) { vertex1 = vertex; }
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else if( vertexcount == 1 ) { vertex2 = vertex; }
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else if( vertexcount >= 2 ) {
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if( false == degenerate( vertex1.position, vertex2.position, vertex.position ) ) {
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m_data.vertices.emplace_back( vertex1 );
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m_data.vertices.emplace_back( vertex2 );
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m_data.vertices.emplace_back( vertex );
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}
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else {
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ErrorLog(
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"Bad geometry: degenerate triangle encountered"
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+ ( m_name != "" ? " in node \"" + m_name + "\"" : "" )
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+ " (vertices: " + to_string( vertex1.position ) + " + " + to_string( vertex2.position ) + " + " + to_string( vertex.position ) + ")" );
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}
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}
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++vertexcount;
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if( vertexcount > 2 ) { vertexcount = 0; } // start new triangle if needed
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break;
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}
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case triangle_fan: {
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if( vertexcount == 0 ) { vertex1 = vertex; }
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else if( vertexcount == 1 ) { vertex2 = vertex; }
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else if( vertexcount >= 2 ) {
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if( false == degenerate( vertex1.position, vertex2.position, vertex.position ) ) {
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m_data.vertices.emplace_back( vertex1 );
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m_data.vertices.emplace_back( vertex2 );
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m_data.vertices.emplace_back( vertex );
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vertex2 = vertex;
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}
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else {
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ErrorLog(
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"Bad geometry: degenerate triangle encountered"
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+ ( m_name != "" ? " in node \"" + m_name + "\"" : "" )
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+ " (vertices: " + to_string( vertex1.position ) + " + " + to_string( vertex2.position ) + " + " + to_string( vertex.position ) + ")" );
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}
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}
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++vertexcount;
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break;
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}
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case triangle_strip: {
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if( vertexcount == 0 ) { vertex1 = vertex; }
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else if( vertexcount == 1 ) { vertex2 = vertex; }
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else if( vertexcount >= 2 ) {
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if( false == degenerate( vertex1.position, vertex2.position, vertex.position ) ) {
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// swap order every other triangle, to maintain consistent winding
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if( vertexcount % 2 == 0 ) {
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m_data.vertices.emplace_back( vertex1 );
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m_data.vertices.emplace_back( vertex2 );
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}
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else {
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m_data.vertices.emplace_back( vertex2 );
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m_data.vertices.emplace_back( vertex1 );
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}
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m_data.vertices.emplace_back( vertex );
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vertex1 = vertex2;
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vertex2 = vertex;
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}
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else {
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ErrorLog(
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"Bad geometry: degenerate triangle encountered"
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+ ( m_name != "" ? " in node \"" + m_name + "\"" : "" )
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+ " (vertices: " + to_string( vertex1.position ) + " + " + to_string( vertex2.position ) + " + " + to_string( vertex.position ) + ")" );
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}
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}
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++vertexcount;
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break;
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}
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default: { break; }
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}
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token = Input.getToken<std::string>();
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} while( token != "endtri" );
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return *this;
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}
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// adds content of provided node to already enclosed geometry. returns: true if merge could be performed
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bool
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shape_node::merge( shape_node &Shape ) {
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if( ( m_data.material != Shape.m_data.material )
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|| ( m_data.lighting != Shape.m_data.lighting ) ) {
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// can't merge nodes with different appearance
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return false;
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}
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// add geometry from provided node
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m_data.area.center =
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interpolate(
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m_data.area.center, Shape.m_data.area.center,
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static_cast<float>( Shape.m_data.vertices.size() ) / ( Shape.m_data.vertices.size() + m_data.vertices.size() ) );
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m_data.vertices.insert(
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std::end( m_data.vertices ),
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std::begin( Shape.m_data.vertices ), std::end( Shape.m_data.vertices ) );
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// NOTE: we could recalculate radius with something other than brute force, but it'll do
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compute_radius();
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return true;
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}
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// generates renderable version of held non-instanced geometry in specified geometry bank
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void
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shape_node::create_geometry( geometrybank_handle const &Bank ) {
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vertex_array vertices; vertices.reserve( m_data.vertices.size() );
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for( auto const &vertex : m_data.vertices ) {
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vertices.emplace_back(
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vertex.position - m_data.origin,
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vertex.normal,
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vertex.texture );
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}
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m_data.geometry = GfxRenderer.Insert( vertices, Bank, GL_TRIANGLES );
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std::vector<world_vertex>().swap( m_data.vertices ); // hipster shrink_to_fit
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}
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// calculates shape's bounding radius
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void
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shape_node::compute_radius() {
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auto squaredradius { 0.0 };
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for( auto const &vertex : m_data.vertices ) {
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squaredradius = std::max(
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squaredradius,
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glm::length2( vertex.position - m_data.area.center ) );
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}
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m_data.area.radius = static_cast<float>( std::sqrt( squaredradius ) );
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}
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/*
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memory_node &
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memory_node::deserialize( cParser &Input, node_data const &Nodedata ) {
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// import common data
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m_name = Nodedata.name;
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Input.getTokens( 3 );
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Input
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>> m_data.area.center.x
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>> m_data.area.center.y
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>> m_data.area.center.z;
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TMemCell memorycell( Nodedata.name );
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memorycell.Load( &Input );
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}
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*/
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} // scene
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namespace editor {
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basic_node::basic_node( scene::node_data const &Nodedata ) :
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m_name( Nodedata.name )
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{
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m_rangesquaredmin = Nodedata.range_min * Nodedata.range_min;
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m_rangesquaredmax = (
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Nodedata.range_max >= 0.0 ?
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Nodedata.range_max * Nodedata.range_max :
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std::numeric_limits<double>::max() );
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}
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} // editor
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//---------------------------------------------------------------------------
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