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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.
*/
/* WallSceneNode:
* Encapsulates information for rendering an wall.
*
* WallGeometry:
* Encapsulates vertices and uv's for a wall
*
* Walls are flat and don't move. A wall also picks a level of
* detail based on its projected area and on the presence of
* light sources nearby (to capture light highlights).
*/
#ifndef BZF_WALL_SCENE_NODE_H
#define BZF_WALL_SCENE_NODE_H
#include "common.h"
#include "SceneNode.h"
class WallSceneNode : public SceneNode
{
public:
WallSceneNode();
~WallSceneNode();
const GLfloat* getPlane() const override;
const GLfloat* getColor() const;
const GLfloat* getDynamicColor() const;
const GLfloat* getModulateColor() const;
const GLfloat* getLightedColor() const;
const GLfloat* getLightedModulateColor() const;
GLfloat getDistance(const GLfloat*) const override;
bool inAxisBox (const Extents& exts) const override;
void setColor(GLfloat r, GLfloat g,
GLfloat b, GLfloat a = 1.0f);
void setColor(const GLfloat* rgba);
void setModulateColor(GLfloat r, GLfloat g,
GLfloat b, GLfloat a = 1.0f);
void setModulateColor(const GLfloat* rgba);
void setLightedColor(GLfloat r, GLfloat g,
GLfloat b, GLfloat a = 1.0f);
void setLightedColor(const GLfloat* rgba);
void setLightedModulateColor(GLfloat r, GLfloat g,
GLfloat b, GLfloat a = 1.0f);
void setLightedModulateColor(const GLfloat* rgba);
void setMaterial(const OpenGLMaterial&);
void setTexture(const int);
void setTextureMatrix(const GLfloat* texmat);
void setDynamicColor(const float* color);
void setBlending(bool);
void setSphereMap(bool);
void setNoCulling(bool);
void setNoSorting(bool);
void setAlphaThreshold(float);
void setColor();
bool cull(const ViewFrustum&) const override;
void notifyStyleChange() override;
void copyStyle(WallSceneNode*);
void setUseColorTexture(bool use)
{
useColorTexture = use;
}
protected:
int getNumLODs() const;
void setNumLODs(int, float* elementAreas);
void setPlane(const GLfloat[4]);
int pickLevelOfDetail(const SceneRenderer&) const;
int getStyle() const;
const OpenGLGState* getGState() const
{
return &gstate;
}
const OpenGLGState* getWallGState() const;
static int splitWall(const GLfloat* plane,
const GLfloat3Array& vertices,
const GLfloat2Array& uvs,
SceneNode*& front, SceneNode*& back); // const
GLfloat plane[4]; // unit normal, distance to origin
private:
static void splitEdge(float d1, float d2,
const GLfloat* p1, const GLfloat* p2,
const GLfloat* uv1, const GLfloat* uv2,
GLfloat* p, GLfloat* uv); //const
private:
int numLODs;
float* elementAreas;
const GLfloat* dynamicColor;
GLfloat color[4];
GLfloat modulateColor[4];
GLfloat lightedColor[4];
GLfloat lightedModulateColor[4];
float alphaThreshold;
int style;
bool noCulling;
bool noSorting;
bool isBlended;
bool wantBlending;
bool wantSphereMap;
OpenGLGState gstate;
bool useColorTexture;
};
//
// WallSceneNode
//
inline int WallSceneNode::getNumLODs() const
{
return numLODs;
}
inline const GLfloat* WallSceneNode::getColor() const
{
return color;
}
inline const GLfloat* WallSceneNode::getDynamicColor() const
{
return dynamicColor;
}
inline const GLfloat* WallSceneNode::getModulateColor() const
{
return modulateColor;
}
inline const GLfloat* WallSceneNode::getLightedColor() const
{
return lightedColor;
}
inline const GLfloat* WallSceneNode::getLightedModulateColor() const
{
return lightedModulateColor;
}
inline int WallSceneNode::getStyle() const
{
return style;
}
inline const OpenGLGState* WallSceneNode::getWallGState() const
{
return &gstate;
}
#endif // BZF_WALL_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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