using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Rendering;

[CreateAssetMenu(fileName = "VisualStyle", menuName = "UniQuake/Visual Style", order = 1)]
public class VisualStyle : ScriptableObject
{
    [SerializeField]
    protected Material entityMaterial;

    [SerializeField]
    protected Material worldMaterial;    // TODO: split into wall, liquid, sky, etc
    
    // TODO: add particle effects

    public virtual Material CreateEntityMaterial()
    {
        return new Material(entityMaterial);
    }

    public virtual Material CreateWorldMaterial()
    {
        return new Material(worldMaterial);
    }
    
    public virtual void SetupEntityRenderer(MeshRenderer meshRenderer)
    {
        meshRenderer.shadowCastingMode = ShadowCastingMode.Off;
        meshRenderer.receiveShadows = false;
        meshRenderer.lightProbeUsage = LightProbeUsage.Off;
        meshRenderer.reflectionProbeUsage = ReflectionProbeUsage.Off;
    }

    public virtual void SetupEntityRenderer(SkinnedMeshRenderer skinnedMeshRenderer)
    {
        skinnedMeshRenderer.shadowCastingMode = ShadowCastingMode.Off;
        skinnedMeshRenderer.receiveShadows = false;
        skinnedMeshRenderer.lightProbeUsage = LightProbeUsage.Off;
        skinnedMeshRenderer.reflectionProbeUsage = ReflectionProbeUsage.Off;
    }

    public virtual void SetupWorldRenderer(MeshRenderer meshRenderer)
    {
        meshRenderer.shadowCastingMode = ShadowCastingMode.Off;
        meshRenderer.receiveShadows = false;
        meshRenderer.lightProbeUsage = LightProbeUsage.Off;
        meshRenderer.reflectionProbeUsage = ReflectionProbeUsage.Off;
    }

    public virtual void SetEntityTextures(Material material, Texture2D mainTexture, Texture2D fullBright)
    {
        material.mainTexture = mainTexture;

        material.SetTexture("_EmissionMap", fullBright);
        material.SetColor("_EmissionColor", Color.white);
        
        if (fullBright != null)
            material.EnableKeyword("_EMISSION");
        else
            material.DisableKeyword("_EMISSION");
    }

    public virtual void SetWorldTextures(Material material, Texture2D mainTexture, Texture2D fullBright, Texture2D lightmap)
    {
        material.mainTexture = mainTexture;

        material.SetTexture("_EmissionMap", fullBright);
        material.SetColor("_EmissionColor", Color.white);
        
        if (fullBright != null)
            material.EnableKeyword("_EMISSION");
        else
            material.DisableKeyword("_EMISSION");
        
        // TODO: lightmap texture
    }
}