Lucas de Vries
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
#include "scene/mesh_node.h"
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#include "render/driver.h"
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#include "render/render_mesh.h"
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#include "render/vertexBuffer.h"
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#include "frustum.h"
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#include "physics/physics_world.h"
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#include "aabbox.h"
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#include "main/references.h"
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namespace scene {
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//Maximum distance away from the camera something can render (according to its scale)
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const double MaxRenderDistFactor = 1400.0;
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MeshNode::MeshNode(const render::RenderMesh* Mesh, const render::RenderState* Material)
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: mesh(Mesh), material(Material) {
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if(Material->baseMat != render::MAT_Solid)
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setFlag(NF_Transparent, true);
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setFlag(NF_AnimOnlyVisible, true);
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}
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bool MeshNode::preRender(render::RenderDriver& driver) {
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auto fromCamera = abs_position + (driver.cam_facing * abs_scale) - driver.cam_pos;
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sortDistance = fromCamera.getLength();
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if(sortDistance > MaxRenderDistFactor * abs_scale || !driver.getViewFrustum().overlaps(abs_position,abs_scale))
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return false;
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else
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return true;
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}
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void MeshNode::render(render::RenderDriver& driver) {
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if(material->baseMat != render::MAT_Solid)
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render::renderVertexBuffers();
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driver.setTransformation(transformation);
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driver.switchToRenderState(*material);
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mesh->selectLOD(sortDistance / abs_scale)->render();
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driver.resetTransformation();
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}
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};
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