SCR_LightningContextAction.c

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[BaseContainerProps(), SCR_BaseContainerCustomTitleUIInfo("m_Info")]
class SCR_LightningContextAction : SCR_BaseContextAction
{
    [Attribute("{A8FFCD3F3697D77F}Prefabs/Editor/Lightning/LightningStrike.et")]
    protected ResourceName m_sLightningPrefab;
        
    
    override bool CanBeShown(SCR_EditableEntityComponent hoveredEntity, notnull set<SCR_EditableEntityComponent> selectedEntities, vector cursorWorldPosition, int flags)
    {
        ChimeraWorld world = GetGame().GetWorld();
        if (world.IsGameTimePaused())
            return false;
        
        //~ Only allow lightning strike if entity has a position
        vector positionCheck;
        return !hoveredEntity || hoveredEntity.GetPos(positionCheck);
    }
    
    override bool CanBePerformed(SCR_EditableEntityComponent hoveredEntity, notnull set<SCR_EditableEntityComponent> selectedEntities, vector cursorWorldPosition, int flags)
    {
        return CanBeShown(hoveredEntity, selectedEntities, cursorWorldPosition, flags);
    }
    
    override void Perform(SCR_EditableEntityComponent hoveredEntity, notnull set<SCR_EditableEntityComponent> selectedEntities, vector cursorWorldPosition,int flags, int param = -1)
    {       
        if (hoveredEntity)
            hoveredEntity.GetPos(cursorWorldPosition);
        
        Resource resource = Resource.Load(m_sLightningPrefab);
        if (!resource)
            return;
        
        IEntitySource entitySource = SCR_BaseContainerTools.FindEntitySource(resource);
        if (!entitySource)
            return;
        
        //~ Spawn at ground or sea position
        EntitySpawnParams spawnParams = new EntitySpawnParams;
        spawnParams.Transform[3] = cursorWorldPosition;
        
        SCR_TerrainHelper.SnapToTerrain(spawnParams.Transform, GetGame().GetWorld(), true);
        
        //~ Apply scale from prefab
        float scale;
        entitySource.Get("scale", scale);
        if (scale != 1)
            Math3D.MatrixScale(spawnParams.Transform, scale);
        
        //~ Random rotation
        vector angles = Math3D.MatrixToAngles(spawnParams.Transform);
        angles[0] = Math.RandomFloat(0, 360);   
        Math3D.AnglesToMatrix(angles, spawnParams.Transform);
        
        GetGame().SpawnEntityPrefab(resource, GetGame().GetWorld(), spawnParams);
    }
};