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// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// *
// * This program is free software: you can redistribute it and/or modify
// * it under the terms of the GNU General Public License as published by
// * the Free Software Foundation, either version 3 of the License, or
// * (at your option) any later version.
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// * GNU General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with this program. If not, see http://www.gnu.org/licenses/.
// light.h
#pragma once
#include "graphics/d3d/d3dengine.h"
#include "graphics/common/color.h"
class CInstanceManager;
class CD3DEngine;
const int D3DMAXLIGHT = 100;
struct LightProg
{
float starting;
float ending;
float current;
float progress;
float speed;
};
struct Light
{
char bUsed; // true -> light exists
char bEnable; // true -> light turned on
D3DTypeObj incluType; // type of all objects included
D3DTypeObj excluType; // type of all objects excluded
D3DLIGHT7 light; // configuration of the light
LightProg intensity; // intensity (0 .. 1)
LightProg colorRed;
LightProg colorGreen;
LightProg colorBlue;
};
// temporary!
namespace Gfx {
/** \enum LightType Type of light */
enum LightType
{
LT_Point,
LT_Spot,
LT_Directional
};
/**
* \struct Light Light
*
* This structure was created as analog to DirectX's D3DLIGHT.
*
* It contains analogous fields as the D3DLIGHT struct.
*/
struct Light
{
//! Type of light source
Gfx::LightType type;
//! Color of light
Gfx::Color color;
//! Position in world space
Math::Vector position;
//! Direction in world space
Math::Vector direction;
//! Cutoff range
float range;
//! Falloff
float falloff;
//! Constant attenuation
float attenuation0;
//! Linear attenuation
float attenuation1;
//! Quadratic attenuation
float attenuation2;
//! Inner angle of spotlight cone
float theta;
//! Outer angle of spotlight cone
float phi;
Light() : type(LT_Point), range(0.0f), falloff(0.0f),
attenuation0(0.0f), attenuation1(0.0f), attenuation2(0.0f),
theta(0.0f), phi(0.0f) {}
};
struct LightProg
{
float starting;
float ending;
float current;
float progress;
float speed;
};
/**
* \struct SceneLight Dynamic light in 3D scene
*
* TODO documentation
*/
struct SceneLight
{
//! true -> light exists
bool used;
//! true -> light turned on
bool enable;
//! Type of all objects included
D3DTypeObj incluType;
//! Type of all objects excluded
D3DTypeObj excluType;
//! Configuration of the light
Gfx::Light light;
//! intensity (0 .. 1)
Gfx::LightProg intensity;
Gfx::LightProg colorRed;
Gfx::LightProg colorGreen;
Gfx::LightProg colorBlue;
};
}; // namespace Gfx
class CLight
{
public:
CLight(CInstanceManager *iMan, CD3DEngine* engine);
virtual ~CLight();
void SetD3DDevice(LPDIRECT3DDEVICE7 device);
void FlushLight();
int CreateLight();
bool DeleteLight(int lightRank);
bool SetLight(int lightRank, const D3DLIGHT7 &light);
bool GetLight(int lightRank, D3DLIGHT7 &light);
bool LightEnable(int lightRank, bool bEnable);
bool SetLightIncluType(int lightRank, D3DTypeObj type);
bool SetLightExcluType(int lightRank, D3DTypeObj type);
bool SetLightPos(int lightRank, Math::Vector pos);
Math::Vector RetLightPos(int lightRank);
bool SetLightDir(int lightRank, Math::Vector dir);
Math::Vector RetLightDir(int lightRank);
bool SetLightIntensitySpeed(int lightRank, float speed);
bool SetLightIntensity(int lightRank, float value);
float RetLightIntensity(int lightRank);
void AdaptLightColor(D3DCOLORVALUE color, float factor);
bool SetLightColorSpeed(int lightRank, float speed);
bool SetLightColor(int lightRank, D3DCOLORVALUE color);
D3DCOLORVALUE RetLightColor(int lightRank);
void FrameLight(float rTime);
void LightUpdate();
void LightUpdate(D3DTypeObj type);
protected:
protected:
CInstanceManager* m_iMan;
CD3DEngine* m_engine;
LPDIRECT3DDEVICE7 m_pD3DDevice;
float m_time;
int m_lightUsed;
Light* m_lightTable;
};
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