////////////////////////////////// FOUR POINTLIGHT CODE

#define LIGHT_POS_1 POINT_LIGHT_0
#define LIGHT_POS_2 POINT_LIGHT_1
#define LIGHT_POS_3 POINT_LIGHT_2
#define LIGHT_POS_4 POINT_LIGHT_3

#define LIGHT_DIR_1 1+POINT_LIGHT_0
#define LIGHT_DIR_2 1+POINT_LIGHT_1
#define LIGHT_DIR_3 1+POINT_LIGHT_2
#define LIGHT_DIR_4 1+POINT_LIGHT_3

#define LIGHT_COLOR_1 2+POINT_LIGHT_0
#define LIGHT_COLOR_2 2+POINT_LIGHT_1
#define LIGHT_COLOR_3 2+POINT_LIGHT_2
#define LIGHT_COLOR_4 2+POINT_LIGHT_3

#define ONE_PER_FN POINT_LIGHT_ONE_PER_FN
#define NEAR_PER_FN POINT_LIGHT_N_PER_FN

#define LOG10_OF_2  c[POINT_LIGHT_LOG_VAL].x
#define ZERO c[SPEC_POWER_CONST].x
#define ONE  c[SPEC_POWER_CONST].y

// ANGLE FACTOR
dp3 r5.x, NORMAL, c[LIGHT_DIR_1]
dp3 r5.y, NORMAL, c[LIGHT_DIR_2]
dp3 r5.z, NORMAL, c[LIGHT_DIR_3]
dp3 r5.w, NORMAL, c[LIGHT_DIR_4]

max r5, r5, ZERO

mad r2, r5.x, c[LIGHT_COLOR_1], r2
mad r2, r5.y, c[LIGHT_COLOR_2], r2
mad r2, r5.z, c[LIGHT_COLOR_3], r2
mad r2, r5.w, c[LIGHT_COLOR_4], r2