///////////////////////////////////////////////////////////////////////  
//	SpeedTreeRT runtime configuration #defines
//
//	(c) 2003 IDV, Inc.
//
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//
//	This software is supplied under the terms of a license agreement or
//	nondisclosure agreement with Interactive Data Visualization and may
//	not be copied or disclosed except in accordance with the terms of
//	that agreement.
//
//      Copyright (c) 2001-2003 IDV, Inc.
//      All Rights Reserved.
//
//		IDV, Inc.
//		1233 Washington St. Suite 610
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#pragma once
#pragma warning (disable : 4786)

#include <SpeedTreeRT/SpeedTreeRT.h>

const int		c_nNumWindMatrices        = 4;
//const float		c_fFogStart               = 1500.0f;
//const float		c_fFogEnd                 = 5500.0f;
//const float		c_fFogLinearScale         = (1.0f / (c_fFogEnd - c_fFogStart));

// vertex shader constant locations
const int c_nVertexShader_LeafLightingAdjustment = 70;
const int c_nVertexShader_Light                  = 71;
const int c_nVertexShader_Material               = 74;
const int c_nVertexShader_TreePos                = 52;
const int c_nVertexShader_CompoundMatrix         = 0;
const int c_nVertexShader_WindMatrices           = 54;
const int c_nVertexShader_LeafTables             = 4;
const int c_nVertexShader_Fog1                   = 85;
const int c_nVertexShader_Fog2                   = 86;

// lighting
const float c_afLightPosition[4]      = { 0.707f, 0.0f, 0.707f, 0.0f };
const float	c_afLightAmbient[4]       = { 0.5f, 0.5f, 0.5f, .10f };
const float	c_afLightDiffuse[4]       = { 1.0f, 1.0f, 1.0f, .10f };
const float	c_afLightSpecular[4]      = { 1.0f, 1.0f, 1.0f, .10f };
const float	c_afLightGlobalAmbient[4] = { 0.0f, 0.0f, 0.0f, .10f };

// setup lighting (enable ONE of the two below)
//#define WRAPPER_USE_STATIC_LIGHTING
#define WRAPPER_USE_DYNAMIC_LIGHTING

#if defined WRAPPER_USE_STATIC_LIGHTING && defined WRAPPER_USE_DYNAMIC_LIGHTING
	#error Please define exactly one lighting mode
#endif

// setup wind (enable ONE of the three below)
#define WRAPPER_USE_GPU_WIND
//#define WRAPPER_USE_CPU_WIND
//#define WRAPPER_USE_NO_WIND

#if defined WRAPPER_USE_GPU_WIND && defined WRAPPER_USE_CPU_WIND
	#error Please define exactly one lighting mode
#elif defined WRAPPER_USE_GPU_WIND && defined WRAPPER_USE_NO_WIND
	#error Please define exactly one lighting mode
#elif defined WRAPPER_USE_CPU_WIND && defined WRAPPER_USE_NO_WIND
	#error Please define exactly one lighting mode
#endif


// leaf placement algorithm (enable ONE of the two below)
#define WRAPPER_USE_GPU_LEAF_PLACEMENT
//#define WRAPPER_USE_CPU_LEAF_PLACEMENT

#if defined WRAPPER_USE_GPU_LEAF_PLACEMENT && defined WRAPPER_USE_CPU_LEAF_PLACEMENT
	#error Please define exactly one leaf placement algorithm
#endif


// texture coordinates (enable this define for DirectX-based engines)
#define WRAPPER_FLIP_T_TEXCOORD


// up vector
//#define WRAPPER_UP_POS_Y
#define WRAPPER_UP_POS_Z

#if defined WRAPPER_UP_POS_Y && defined WRAPPER_UP_POS_Z
	#error Please define exactly one up vector
#endif


// loading from STF or clones/instances? (enable ONE of the two below)
//#define WRAPPER_FOREST_FROM_STF
#define WRAPPER_FOREST_FROM_INSTANCES

#if defined WRAPPER_FOREST_FROM_STF && defined WRAPPER_FOREST_FROM_INSTANCES
	#error Please define exactly one loading mechanism
#endif


// billboard modes 
//빌보드 모양이 안이뻐서 빼버림
//2009-12-23 : hunee
//#define WRAPPER_BILLBOARD_MODE
//#define WRAPPER_RENDER_HORIZONTAL_BILLBOARD //가로 빌보드는 이쁘지 않아서 켜지 않는다.


// render self-shadows
#define WRAPPER_RENDER_SELF_SHADOWS

// use fog
#define WRAPPER_USE_FOG


// derived constants
#ifdef WRAPPER_USE_GPU_WIND
	#define BRANCHES_USE_SHADERS
	#define FRONDS_USE_SHADERS
	#define LEAVES_USE_SHADERS
#endif

#ifdef WRAPPER_USE_GPU_LEAF_PLACEMENT
	#define LEAVES_USE_SHADERS
#endif