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/* bzflag
* Copyright (c) 1993-2025 Tim Riker
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the license found in the file
* named COPYING that should have accompanied this file.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
/* MeshSceneNode:
* Encapsulates information for rendering a mesh fragment
* (a collection of faces with the same material properties).
* Does not support level of detail.
*/
#ifndef BZF_MESH_SCENE_NODE_H
#define BZF_MESH_SCENE_NODE_H
// Inherits
#include "SceneNode.h"
// Common headers
#include "bzfgl.h"
//
// NOTES:
//
// - Make sure that "noPlane" is set to true, for Mesh can not be
// used as occluders, and can not be culled as a simple plane
//
// - All accesses are done through indices
//
class MeshObstacle;
class MeshDrawInfo;
class MeshDrawMgr;
class BzMaterial;
class OpenGLGState;
class SceneRenderer;
class ViewFrustum;
class RenderNode;
class MeshSceneNode : public SceneNode
{
public:
MeshSceneNode(const MeshObstacle* mesh);
~MeshSceneNode();
// virtual functions from SceneNode
void notifyStyleChange();
bool cull(const ViewFrustum&) const;
bool inAxisBox(const Extents& exts) const;
void addShadowNodes(SceneRenderer&);
void addRenderNodes(SceneRenderer&);
void renderRadar();
void getRenderNodes(std::vector<RenderSet>& rnodes);
void makeXFormList();
static void initContext(void* data);
static void freeContext(void* data);
static void setLodScale(int pixelsX, float fovx,
int pixelsY, float fovy);
static void setRadarLodScale(float lengthPerPixel);
private:
const MeshObstacle* mesh;
MeshDrawMgr* drawMgr;
const MeshDrawInfo* drawInfo;
bool animRepos;
// transform display list
GLfloat xformMatrix[16];
struct MeshMaterial
{
const BzMaterial* bzmat;
OpenGLGState gstate;
GLfloat color[4];
const GLfloat* colorPtr;
bool drawRadar;
bool drawShadow;
bool needsSorting;
bool animRepos;
};
struct SetNode
{
int set;
MeshMaterial meshMat;
// basic render nodes
RenderNode* node;
RenderNode* radarNode;
};
struct LodNode
{
int count;
SetNode* sets;
};
// Level Of Detail (LOD) information
int lodCount;
LodNode* lods;
float* lodLengths;
// Radar LODs
int radarCount;
LodNode* radarLods;
float* radarLengths;
static float LodScale;
static float RadarLodScale;
private:
void updateMaterial(MeshMaterial* mat);
const BzMaterial* convertMaterial(const BzMaterial* bzmat);
int calcNormalLod(const ViewFrustum&);
int calcRadarLod();
friend class MeshSceneNodeMgr;
};
#endif // BZF_MESH_SCENE_NODE_H
// Local Variables: ***
// mode: C++ ***
// tab-width: 4 ***
// c-basic-offset: 4 ***
// indent-tabs-mode: nil ***
// End: ***
// ex: shiftwidth=4 tabstop=4
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