add game&rawdata

gamedata/shaders/r2/shared/common.h

@@ -0,0 +1,55 @@
+//////////////////////////////////////////////////
+//  All comments by Nivenhbro are preceded by !
+/////////////////////////////////////////////////
+
+
+#ifndef SHARED_COMMON_H
+#define SHARED_COMMON_H
+//
+uniform half3x4	        m_W;
+uniform half3x4	        m_V;
+uniform half4x4 	m_P;
+uniform half3x4	        m_WV;
+uniform half4x4 	m_VP;
+uniform half4x4 	m_WVP;
+uniform float4x4 	m_texgen;
+uniform float4x4 	mVPTexgen;
+uniform half4		timers;
+uniform half4		fog_plane;
+uniform float4		fog_params;		// x=near*(1/(far-near)), ?,?, w = -1/(far-near)
+uniform half4		fog_color;
+uniform float3		L_sun_color;
+uniform half3		L_sun_dir_w;
+uniform half3		L_sun_dir_e;
+uniform half4		L_hemi_color;
+uniform half4		L_ambient;		// L_ambient.w = skynbox-lerp-factor
+uniform float3 		eye_position;
+uniform half3		eye_direction;
+uniform half3		eye_normal;
+uniform	float4 		dt_params;
+
+half3 	unpack_normal	(half3 v)	{ return 2*v-1;			}
+half3 	unpack_bx2	(half3 v)	{ return 2*v-1; 		}
+float3 	unpack_bx4	(float3 v)	{ return 4*v-2; 		} //!reduce the amount of stretching from 4*v-2 and increase precision
+
+float2 	unpack_tc_base	(float2 tc, float du, float dv)		{
+		return (tc.xy + float2	(du,dv))*(32.f/32768.f);	//!Increase from 32bit to 64bit floating point
+}
+
+float2 	unpack_tc_lmap	(half2 tc)	{ return tc*(1.f/32768.f);	} // [-1  .. +1 ] 
+
+float 	calc_cyclic 	(float x)				{
+	float 	phase 	= 1/(2*3.141592653589f);
+	float 	sqrt2	= 1.4142136f;
+	float 	sqrt2m2	= 2.8284271f;
+	float 	f 	= sqrt2m2*frac(x)-sqrt2;	// [-sqrt2 .. +sqrt2] !No changes made, but this controls the grass wave (which is violent if I must say)
+	return 	f*f - 1.f;				// [-1     .. +1]
+}
+float2 	calc_xz_wave 	(float2 dir2D, float frac)		{
+	// Beizer
+	float2  ctrl_A	= float2(0.f,		0.f	);
+	float2 	ctrl_B	= float2(dir2D.x,	dir2D.y	);
+	return  lerp	(ctrl_A, ctrl_B, frac);			//!This calculates tree wave. No changes made
+}
+
+#endif