#include "lighting.h"
#include <stdlib.h>
#include <string.h>

Light* light_create_dir(float r, float g, float b, float intensity, float dx, float dy, float dz) {
    Light* l = (Light*)calloc(1, sizeof(Light));
    l->type = LIGHT_DIR;
    l->color[0] = r; l->color[1] = g; l->color[2] = b;
    l->intensity = intensity;
    l->direction[0] = dx; l->direction[1] = dy; l->direction[2] = dz;
    float len = sqrtf(dx*dx + dy*dy + dz*dz);
    if (len > 0.0001f) { l->direction[0] /= len; l->direction[1] /= len; l->direction[2] /= len; }
    return l;
}

Light* light_create_point(float r, float g, float b, float intensity, float x, float y, float z, float range) {
    Light* l = (Light*)calloc(1, sizeof(Light));
    l->type = LIGHT_POINT;
    l->color[0] = r; l->color[1] = g; l->color[2] = b;
    l->intensity = intensity;
    l->position[0] = x; l->position[1] = y; l->position[2] = z;
    l->range = range;
    return l;
}

void light_destroy(Light* light) { free(light); }