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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.
*/
/* BillboardSceneNode:
* Encapsulates information for rendering a textured billboard.
*/
#ifndef BZF_BILLBOARD_SCENE_NODE_H
#define BZF_BILLBOARD_SCENE_NODE_H
// Inherits from
#include "SceneNode.h"
// Common headers
#include "OpenGLLight.h"
class BillboardSceneNode : public SceneNode
{
public:
BillboardSceneNode(const GLfloat pos[3]);
~BillboardSceneNode();
virtual BillboardSceneNode* copy() const;
void setLoop(bool = true);
void setDuration(float);
void resetTime();
void updateTime(float dt);
bool isAtEnd() const;
bool isLight() const;
void setLight(bool = true);
void setLightColor(GLfloat r, GLfloat g, GLfloat b);
void setLightAttenuation(GLfloat c, GLfloat l, GLfloat q);
void setLightScaling(GLfloat intensityScaleFactor);
void setLightFadeStartTime(float t);
void setGroundLight(bool value);
void setSize(float side);
void setSize(float width, float height);
void setColor(GLfloat r, GLfloat g,
GLfloat b, GLfloat a = 1.0f);
void setColor(const GLfloat* rgba);
void setTexture(const int);
void setTextureAnimation(int cu, int cv);
void move(const GLfloat pos[3]);
void setAngle(GLfloat);
void addLight(SceneRenderer&);
void notifyStyleChange();
void addRenderNodes(SceneRenderer&);
protected:
class BillboardRenderNode : public RenderNode
{
public:
BillboardRenderNode(const BillboardSceneNode*);
~BillboardRenderNode();
void setColor(const GLfloat* rgba);
void render() override;
const GLfloat* getPosition() const override;
void setFrame(float u, float v);
void setFrameSize(float du, float dv);
private:
const BillboardSceneNode* sceneNode;
float u, v;
GLfloat du, dv;
};
friend class BillboardRenderNode;
void setFrame();
void prepLight();
private:
bool show;
bool hasAlpha;
bool hasTexture;
bool hasTextureAlpha;
bool looping;
bool lightSource;
bool groundLight;
float width, height;
GLfloat color[4];
GLfloat angle;
GLfloat lightColor[3];
GLfloat lightScale;
float lightCutoffTime;
int cu, cv;
float t, duration;
OpenGLLight light;
OpenGLGState gstate;
BillboardRenderNode renderNode;
};
#endif // BZF_BILLBOARD_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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